CN104873255A - Combined single-side double-arm adjustable clamping bone pressurization fixer for multi-segmental femoral fracture - Google Patents
Combined single-side double-arm adjustable clamping bone pressurization fixer for multi-segmental femoral fracture Download PDFInfo
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- CN104873255A CN104873255A CN201510316294.3A CN201510316294A CN104873255A CN 104873255 A CN104873255 A CN 104873255A CN 201510316294 A CN201510316294 A CN 201510316294A CN 104873255 A CN104873255 A CN 104873255A
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- blood pressure
- fixture block
- adjust blood
- groove
- steel nail
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 55
- 208000008924 Femoral Fractures Diseases 0.000 title abstract 2
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 161
- 239000010959 steel Substances 0.000 claims abstract description 161
- 210000000689 upper leg Anatomy 0.000 claims abstract description 44
- 230000036772 blood pressure Effects 0.000 claims description 127
- 210000003371 toe Anatomy 0.000 claims description 22
- 230000003014 reinforcing effect Effects 0.000 claims description 21
- 230000006835 compression Effects 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- 229910052799 carbon Inorganic materials 0.000 claims description 17
- 230000002687 intercalation Effects 0.000 claims description 17
- 238000009830 intercalation Methods 0.000 claims description 17
- 125000003003 spiro group Chemical group 0.000 claims description 16
- 208000010392 Bone Fractures Diseases 0.000 abstract description 71
- 238000005728 strengthening Methods 0.000 abstract 3
- 206010017076 Fracture Diseases 0.000 description 67
- 238000010586 diagram Methods 0.000 description 24
- 210000000544 articulatio talocruralis Anatomy 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 210000003423 ankle Anatomy 0.000 description 6
- 241001061264 Astragalus Species 0.000 description 3
- 206010010149 Complicated fracture Diseases 0.000 description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 3
- 235000011613 Pinus brutia Nutrition 0.000 description 3
- 241000018646 Pinus brutia Species 0.000 description 3
- 235000006533 astragalus Nutrition 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 210000004233 talus Anatomy 0.000 description 3
- 210000002303 tibia Anatomy 0.000 description 3
- 230000000472 traumatic effect Effects 0.000 description 3
- 208000026137 Soft tissue injury Diseases 0.000 description 2
- 210000000459 calcaneus Anatomy 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 210000001699 lower leg Anatomy 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 208000024779 Comminuted Fractures Diseases 0.000 description 1
- 206010020649 Hyperkeratosis Diseases 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000037186 bone physiology Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 210000002414 leg Anatomy 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
- A61B17/66—Alignment, compression or distraction mechanisms
Abstract
The invention relates to a fracture fixer, in particular to a combined single-side double-arm adjustable clamping bone pressurization fixer for multi-segmental femoral fracture and solves the problem that fracture is not easy to heal due to too big size, excess weight and poor flexibility of an existing external fixation support for fracture. The fixer comprises a pressure-adjustable retractable fixer and a plurality of steel nail fixing devices and is characterized by comprising a first supporting arm, a second supporting arm and a plurality of strengthening connection clamps, wherein the second supporting arm comprises a left arm body and a right arm body, the left arm body is embedded and inserted in the left side of the pressure-adjustable retractable fixer, the right arm body is embedded and inserted in the right side of the pressure-adjustable retractable fixer, the left arm body is connected with the first supporting arm through the strengthening connection clamps, the right arm body is connected with the first supporting arm through the strengthening connection clamps; the steel nail fixing devices are mounted on the first supporting arm or the second supporting arm. Steel nails can penetrate through each segment of the multi-segmental fractured femur for external fixation, bones on the fractured segments can be pressurized, physiological pressure stress on the femur is recovered, firm and stable external fixation can be realized through single-side double-arm locking, and the cure rate is increased.
Description
Technical field
The present invention relates to fracture fixing apparatus, be specifically related to combination type unilateral double-arm multistage Fracture of femur adjustable buckle bone compression fixator, belong to long bone fracture exterior fixation bracket technical field.
Background technology
Current exterior fixation bracket, as annular external fixer and multifunctional combination exterior fixation bracket, volume is large, carry inconvenience, postoperatively be inconvenient to nurse, single armed exterior fixation bracket, such as Zhong Jia exterior fixation bracket is heavy, prelum two ends multi-directional ball neck portion design is thinner, extenal fixation support strength is more weak, prelum design is comparatively large longer, to make to wear in bone stump both sides steel nail because of intermediary press body long-pending restricted greatly, wear steel nail dumb, can not accomplish to wear steel nail by bone stump, and wear steel nail away from fracture line and do not meet mechanics fixation principle, extenal fixation is caused to fracture not stable, if find Multiple segmental fracture in operation, comminuted fracture need be crossed over and be worn steel nail extenal fixation, external fixator is needed to lengthen, can not according to the occasional combination of fracture complex situations, external fixator overall growth or shortening can not be made, extenal fixation several sections of fracture, can not pressurize to middle sclerite, can not pressurize in two ends in segmentation, several sections of fracture can not be recovered, seriality long bone physiology adds stress, therefore, normal transmission nonunion, unilateral three dimensional steel nail presss from both sides, cylindric centre has a cross-drilled hole can wear thin nail, the top nail of fixing steel nail is at cylindrical tip, if need two steel nail close together, right angle is pulled insertion top nail and is obstructed, as shown in figure 42, so inapplicable.
Summary of the invention
The object of the invention is to solve existing fracture external fixing rack volume and weight all excessive, very flexible, designs unreasonable, and fixing pressurization does not meet mechanics principle, causes the problem that fracture not easily heals.
Technical scheme of the present invention is: combination type unilateral double-arm multistage Fracture of femur adjustable buckle bone compression fixator, comprise the Telescopic Fixed device of adjust blood pressure, some steel nail fixtures, first support arm, second support arm and some adding, connect firmly folder, second support arm comprises left arm body and right arm body, the intercalation of left arm body is in the left side of the Telescopic Fixed device of adjust blood pressure, the intercalation of right arm body is on the right side of the Telescopic Fixed device of adjust blood pressure, left arm body connects with the first support arm with between right arm body with the first support arm respectively by adding to connect firmly to press from both sides to set up, steel nail fixture is arranged on the first support arm or the second support arm.
The Telescopic Fixed device of described adjust blood pressure comprises adjust blood pressure fixed block, adjust blood pressure slide block, scale, scale staple, slide bar, hold-down screw and adjust blood pressure leading screw, adjust blood pressure fixed block is identical with shape with the structure of adjust blood pressure slide block, described adjust blood pressure fixed block is provided with scale open slot from top to bottom successively, upper cross through hole, lower cross through hole, the vertical side of adjust blood pressure fixed block is provided with projection, plus thread through hole is provided with in adjust blood pressure fixed block projection, the projection of adjust blood pressure slide block is provided with left-hand thread through hole, the axis of plus thread through hole, the axis of left-hand thread through hole, the axis being parallel of upper cross through hole and lower cross through hole, upper cross through hole is respectively equipped with the side of lower cross through hole the horizontal opening groove be communicated with it, the opening direction of horizontal opening groove is contrary with the opening direction of scale open slot, described scale intercalation is in scale open slot, one end of scale is fixed in adjust blood pressure fixed block by scale staple, the other end of scale stretches out and is 90 ° of bendings downwards, one end of slide bar inserts the cross through hole on the upper cross through hole of adjust blood pressure slide block and adjust blood pressure fixed block successively, the other end stretches out, the bending end of scale and the elongated end of slide bar are set up by hold-down screw and are connected, the two ends of described adjust blood pressure leading screw are arranged between described projection respectively by positive/negative thread, the intercalation of described left arm body is in the left side of the lower cross through hole of adjust blood pressure fixed block, the intercalation of right arm body is on the right side of the lower cross through hole of adjust blood pressure slide block.Utilize right-and-left threaded adjust blood pressure leading screw to drive adjust blood pressure slide block to move to centre, to bone pressurization, make knitting faster.
Described adjust blood pressure leading screw comprises look nut with holes, the positive screw rod of left side adjust blood pressure and the anti-screw rod of right side adjust blood pressure, the left side positive screw rod of adjust blood pressure and the anti-screw rod of right side adjust blood pressure are set up by look nut with holes and are connected, and the positive screw rod of left side adjust blood pressure and the anti-screw rod of right side adjust blood pressure are respectively by the plus thread through hole be threaded in adjust blood pressure fixed block and adjust blood pressure slide block projection and in left-hand thread through hole.
Described adjust blood pressure fixed block and adjust blood pressure sliding shoe are equipped with vertical through hole, in vertical through hole, are provided with long spiro nail.Described steel nail fixture is adjustable steel nail connection folder, comprise fixture block on bulb, fixture block under bulb, first screw and adjustable square toes steel nail folder, on described bulb, fixture block is identical with the planform of fixture block under bulb, on bulb, under fixture block and bulb, the side of the contact surface of fixture block is provided with ball recess, opposite side is provided with arc groove, it is spherical that square toes steel nail presss from both sides one end, the other end is square, square end is provided with steel nail through hole and top nail, the line at described square end center and spheric end center and the axes normal of steel nail through hole, the axis of top nail and the axes normal of steel nail through hole, on described bulb, under fixture block and bulb, fixture block is set up by the first screw and is connected, the region that described first support arm or the second support arm enclose through the arc groove under fixture block on bulb and bulb fixture block contact surface, the spheric end of adjustable square toes steel nail folder is placed in the region that the ball recess on bulb under fixture block and bulb between fixture block contact surface encloses.Top nail inserts in the side of square end, and traditional top nail is arranged on top, and can only operate at cylindrical tip, and the present invention is when needs adjustment two steel nail close together, right angle is pulled and can be operated from the side, and simple operation is flexible.
Described steel nail fixture is buckle steel nail connection folder, comprise the 3rd screw, steel nail train wheel bridge, steel nail lower plate, spring, band tooth U groove fixture block, U groove fixture block and Screw, the lower end of the 3rd screw is successively through steel nail train wheel bridge, steel nail lower plate, spring, set up with Screw after being with tooth U groove fixture block and U groove fixture block and connect, the side, upper surface of described steel nail lower plate is provided with boss, opposite side is provided with V-shaped groove, on the lower surface of steel nail train wheel bridge, side has escape groove, opposite side has steel nail arcuate groove, first escape groove is corresponding with the cooperation of the first boss, steel nail arcuate groove is corresponding with the cooperation of V-shaped groove, on described U-shaped, the side of the lower surface of fixture block is provided with the second boss, opposite side is provided with U-lag, the side of the upper surface of U groove fixture block is provided with the second escape groove, opposite side is provided with lower U-lag, second escape groove is corresponding with the cooperation of the second boss, upper U-lag is corresponding with the cooperation of lower U-lag, the elastic force of spring is utilized in operation, the side of steel nail from steel nail train wheel bridge and steel nail lower plate is snapped in, fast easy to assembly.
The upper surface of the lower surface of described steel nail lower plate and band tooth U groove fixture block is toothed surfaces, is to connect more stable between steel nail lower plate with band tooth U groove fixture block, prevents slip, steel nail is shifted.
Described adding, connects firmly folder and comprises and reinforce upper fixture block, reinforce lower fixture block and the second screw, in described reinforcing, fixture block is identical with shape with the structure of reinforcing lower fixture block, in reinforcing, fixture block is provided with arc groove with the both sides of the contact surface reinforcing lower fixture block, and in reinforcing, fixture block sets up connection with fixture block under reinforcing by the second screw.
Described combination type unilateral double-arm multistage Fracture of femur adjustable buckle bone compression fixator comprises bar link rod fixture block combination unit, comprise the 3rd screw, fixture block on U groove with holes, first band tooth U groove fixture block, spring, second band tooth U groove fixture block, U groove fixture block and Screw, the lower end of the 3rd screw is successively through fixture block on U groove with holes, first band tooth U groove fixture block, tooth U groove fixture block is with by spring second, set up with Screw after U groove fixture block and connect, on described U groove with holes, the side of the lower surface of fixture block has escape groove, opposite side has U-lag, the side, upper surface of the first band tooth U groove fixture block is provided with boss, opposite side is provided with lower U-lag, the side of the lower surface of described second band tooth U groove fixture block is provided with the second boss, opposite side is provided with U-lag, the side of the upper surface of U groove fixture block is provided with the second escape groove, opposite side is provided with lower U-lag, described first escape groove is corresponding with the cooperation of the first boss, second escape groove is corresponding with the cooperation of the second boss, upper U-lag is corresponding with the cooperation of lower U-lag.Being combined into super ankle joint extenal fixation distal tibial syntripsis method is, appear can not fix with unilateral double-arm if cut in operation, ankle joint extenal fixation need be surpassed, long spiro nail can be unscrewed in operation, extract and be not suitable for carbon element rod, carbon element rod needed for insertion, then connects quarter butt with bar link rod folder, and the two ends that cross is combined in quarter butt connect adjustable steel nail connection folder; Wear steel nail ten thousand to root bone and contract bone or astragalus to fix.
Described first support arm and the second support arm are carbon element rod.
The present invention compared with prior art has following effect: the present invention can realize each section of femur several sections of fracture and wears steel nail extenal fixation and fracture segment bone can be made to pressurize, recover the overall Physiological Pressure stress of femur, unilateral double-arm locking can reach strong, stable extenal fixation effect, improves cure rate.Existing single armed exterior fixation bracket can not be implemented to wear steel nail extenal fixation to several sections of fracture, can not pressurize by segmentation bone, and single armed treatment several sections of fracture of the present invention adjustable buckle bone pressuring external fixer, steel nail can be worn at any position of several sections of fracture, and the pressurization of each fracture segment bone can be implemented, recover the overall Physiological Pressure stress of this long bone, as Figure 32, promote union of fracture; Existing single armed exterior fixation bracket prelum is long and heavy, such as, and Zhong Jia exterior fixation bracket, steel nail can not be worn at the nearly fracture line of bone stump, large because intermediary press device is long, limit nearly fracture site and wear steel nail, cause and wear steel nail away from fracture line place, as shown in figure 40, do not meet mechanics principle, fixing not stable, so inapplicable, the external fixator of one's duty invention by contrast, volume is little, lightweight, steel nail can be worn near any position of fracture line, fixing stable; Existing single armed exterior fixation bracket, the design of prelum direction of both ends ball neck is comparatively thin, and therefore external fixer integrated support extenal fixation strength reduction, as Figure 40; Ring external fixation support and multifunctional combined rack, volume is large, and multifunctional combined rack can not implement bone pressurization, as Figure 41; The folder steel nail block that single armed exterior fixation bracket prelum two ends multi-directional ball connects, according to traumatic condition or the soft tissue injury change of fracturing in operation, can not can not change and wear steel nail length across bone, as Figure 40, apply dumb, therefore inapplicable; External fixator of the present invention, finds to need to shorten or increase extenal fixation across fracture line length, can unscrew long spiro nail, transfer to inappropriate carbon element rod, as Figure 26, change long carbon element rod in operation, as Figure 27, or short carbon element rod, as Figure 28, use flexibly; Reinforcing carbon element bar can combine and be placed in above the Telescopic Fixed device of adjust blood pressure, also the external fixation of fracture for the treatment of multistage femur can be combined into, as Figure 32, fabricated structure, can, according to the carbon element rod that needs reinforcement of fracture traumatic condition and extenal fixation drift bolt method, also can be placed in below the Telescopic Fixed device of adjust blood pressure, composition unilateral double-arm extenal fixation Fracture of femur, as shown in Figure 36 and Figure 37, strengthen exterior fixation bracket intensity, it is flexible that extenal fixation wears steel nail; Can according to fracture in operation traumatic condition and soft tissue injury situation, adjustable steel nail is selected to join folder, or buckle steel nail folder, be placed in the optional position of the first support arm, steel nail extenal fixation is worn to bone section, adjustable telescopic holder two ends connect the first support arm on settle universal steel nail fixture block, carry out extenal fixation femur stage casing or under, in upper 1/3 fracture, as Figure 36; The first support arm that the Telescopic Fixed device two ends of adjust blood pressure connect settles buckle steel nail fixture block, carry out extenal fixation femur stage casing or under, in upper 1/3 fracture, as Figure 37, the Telescopic Fixed device structure of adjust blood pressure is simple, with L right angle twisting pine long spiro nail, unilateral double-arm treatment several sections of fracture, adjustable buckle bone locking and pressurizing external fixator, also can be used for fixing super ankle joint and fixes, compare and ring type exterior fixation bracket, volume is little, easy to carry.
In sum, fixed mount volume of the present invention is little, lightweight, and it is flexible that steel nail worn by adjustable universal steel nail folder and buckle steel nail folder, safety, simple to operate, easy to carry after expopexy, strong stable and mechanics can be reached fix, solve femur several sections of fracture, provide reliable Therapeutic Method.
Accompanying drawing explanation
Fig. 1, the overall structure schematic diagram of combination type unilateral double-arm multistage Fracture of femur of the present invention adjustable buckle bone pressuring external fixer;
Fig. 2, the present invention is adjustable, and steel nail joins clamping structure schematic diagram;
Fig. 3, the longitudinal section schematic diagram of fixture block under bulb of the present invention;
Fig. 4, the top view of fixture block under bulb of the present invention;
Fig. 5, fixture block longitudinal section schematic diagram on bulb of the present invention;
Fig. 6, the top view of fixture block on bulb of the present invention;
Fig. 7, the present invention's L twisting pine the first screw, adjustable square toes steel nail folder rotates schematic diagram;
Fig. 8, the present invention adds the structural representation connecting firmly folder;
Fig. 9, buckle steel nail connection clamping structure schematic diagram of the present invention;
Figure 10, buckle steel nail connection folder sectional view of the present invention;
Figure 11, steel nail train wheel bridge top view of the present invention;
Figure 12, the longitudinal section schematic diagram of steel nail train wheel bridge of the present invention;
Figure 13, the top view of steel nail lower plate of the present invention;
Figure 14, steel nail lower plate longitudinal section schematic diagram of the present invention;
Figure 15, the top view of band tooth U groove fixture block of the present invention;
Figure 16, the longitudinal section schematic diagram of band tooth U groove fixture block of the present invention;
Figure 17, the top view of U groove fixture block of the present invention;
Figure 18, the longitudinal section schematic diagram of U groove fixture block of the present invention;
Figure 19, the Telescopic Fixed device molectron of adjust blood pressure of the present invention connects schematic diagram;
Figure 20, the right view of adjust blood pressure fixed block of the present invention;
Figure 21, adjust blood pressure fixed block top view of the present invention;
Figure 22, the front view of adjust blood pressure fixed block of the present invention;
Figure 23, the right view of adjust blood pressure slide block of the present invention;
Figure 24, the top view of adjust blood pressure slide block of the present invention;
Figure 25, the front view of adjust blood pressure slide block of the present invention;
Figure 26, the present invention unscrews long spiro nail in adjust blood pressure fixed block, extracts improper carbon element rod schematic diagram;
Figure 27, long carbon element rod is inserted the schematic diagram of cross through hole on adjust blood pressure fixed block by the present invention;
Figure 28, the present invention extracts adjust blood pressure fixed block and is not suitable for adjustable carbon element rod, the schematic diagram of the adjustable carbon element rod of insertion end;
Figure 29, the longitudinal section schematic diagram of bar link rod fixture block combination of the present invention;
Figure 30, fixture block top view on the present invention's U groove with holes;
Figure 31, the longitudinal section schematic diagram of fixture block on the present invention's U groove with holes;
Figure 32, square toes steel nail clamping interruption surely Fracture of femur section that the present invention is adjustable, buckle steel nail connection presss from both sides extenal fixation femur two ends fracture segment schematic diagram;
Figure 33, the present invention outside resected femur several sections of fracture time, the schematic diagram when steel nail afterbody of every section all connects external fixator with adjustable square toes steel nail folder;
Figure 34, the present invention outside resected femur several sections of fracture time, the steel nail afterbody of every section all connects the schematic diagram of external fixator with buckle steel nail folder;
Figure 35, several sections of fracture on extenal fixation condyle of femur of the present invention, all fixes schematic diagram by buckle steel nail folder T-shaped;
Figure 36, the present invention combines and is used in extenal fixation middle femoral shaft fracture, and the transfer of reinforcing carbon element rod in the below of the Telescopic Fixed device of adjust blood pressure, 4 all press from both sides with adjustable square toes steel nail the schematic diagram that is connected and fixed with steel nail afterbody;
Figure 37, the present invention is applied in extenal fixation middle femoral shaft fracture, reinforces the transfer of carbon element rod in the below of the Telescopic Fixed device of adjust blood pressure, and 4 steel nail afterbodys all join folder with buckle steel nail and to be connected and fixed schematic diagram;
Figure 38, patent of the present invention is applied in extenal fixation tibia ankle complicated fracture and surpasses ankle joint extenal fixation, and bar link rod fixture block connects quarter butt T and combines T-shaped, and all with buckle steel nail folder, steel nail surpasses the schematic diagram of ankle difference anchor root bone and contract bone (astragalus);
Figure 39, the present invention is applied in combination fixture block connection quarter butt and is combined into T-shaped extenal fixation tibia ankle complicated fracture, super ankle joint extenal fixation root bone and contract bone, all with the schematic diagram of adjustable square toes steel nail connection folder linking fixer;
Figure 40, Zhong Jia exterior fixation bracket structural representation;
Figure 41 is existing multifunctional combination exterior fixation bracket structural representation;
Figure 42 is existing single armed three-dimensional external fixed support structural representation.
Detailed description of the invention
Embodiment one: as shown in Fig. 1 to Figure 32, the combination type unilateral double-arm multistage Fracture of femur adjustable buckle bone compression fixator of the present embodiment, comprise the Telescopic Fixed device of adjust blood pressure, some steel nail fixtures, first support arm 10, second support arm and some adding, connect firmly folder, second support arm comprises left arm body 17-1 and right arm body 17-2, left arm body 17-1 intercalation is in the left side of the Telescopic Fixed device of adjust blood pressure, right arm body 17-2 intercalation is on the right side of the Telescopic Fixed device of adjust blood pressure, left arm body 17-1 connects with the first support arm 10 with between right arm body 17-2 with the first support arm 10 respectively by adding to connect firmly to press from both sides to set up, steel nail fixture is arranged on the first support arm or the second support arm.
The Telescopic Fixed device of described adjust blood pressure comprises adjust blood pressure fixed block 20, adjust blood pressure slide block 22, scale 2, scale staple 8, slide bar 23, hold-down screw 24 and adjust blood pressure leading screw, adjust blood pressure fixed block 20 is identical with shape with the structure of adjust blood pressure slide block 22, described adjust blood pressure fixed block 20 is provided with scale open slot from top to bottom successively, upper cross through hole, lower cross through hole, the vertical side of adjust blood pressure fixed block 20 is provided with projection, plus thread through hole is provided with in adjust blood pressure fixed block 20 projection, the projection of adjust blood pressure slide block 22 is provided with left-hand thread through hole, the axis of plus thread through hole, the axis of left-hand thread through hole, the axis of upper cross through hole and the axis being parallel of lower cross through hole, upper cross through hole is respectively equipped with the side of lower cross through hole the horizontal opening groove be communicated with it, the opening direction of horizontal opening groove is contrary with the opening direction of scale open slot, the intercalation of described scale 2 is in scale open slot, the upper end of described adjust blood pressure fixed block 20 is provided with plus thread hole, scale staple 8 lower end is inserted this screwed hole and is fixed in the scale open slot of adjust blood pressure fixed block 20 by one end of scale 2, the other end of scale 2 extends adjust blood pressure slide block 22 and bends downwards in 90 °, one end of slide bar 23 inserts the cross through hole on the upper cross through hole of adjust blood pressure slide block 22 and adjust blood pressure fixed block 20 successively, the other end other end is extended adjust blood pressure slide block 22 and to be set up by hold-down screw 24 with the bending end of scale 2 and connects, plus thread hole in the projection of described adjust blood pressure fixed block 20 is set up with between left-hand thread hole in the projection of adjust blood pressure slide block 22 connected by adjust blood pressure leading screw, described left arm body 17-1 intercalation is in the left side of the lower cross through hole of adjust blood pressure fixed block 20, right arm body 17-2 intercalation is on the right side of the lower cross through hole of adjust blood pressure slide block 22.In order to increase single armed exterior fixation bracket bulk strength, this external fixator increases support body intermediate intensity and is designed with adjust blood pressure leading screw, slide bar, at the end of extenal fixation, tighten long spiro nail to fix, more importantly also be designed with the first support arm, play reinforcement effect, by reinforcing upper and lower fixture block, stride across pressure point, be fixed on the first support arm in the Telescopic Fixed device both sides of adjust blood pressure respectively, as shown in Figure 19 and Figure 32, particularly suitable Fracture of femur, because lower limb lever adds brachium, the myotility of femur is strong, need strong stable extenal fixation just can reach the newborn callus of postoperative extenal fixation bone stump, not because of fixing not stable two these sections, avoid causing nonunion situation to occur.
Described adjust blood pressure leading screw comprises look nut 21-1 with holes, left side adjust blood pressure positive screw rod 21-2 and the anti-screw rod 21-3 of right side adjust blood pressure, left side adjust blood pressure positive screw rod 21-2 and right side adjust blood pressure anti-screw rod 21-3 is set up by look nut 21-1 with holes and connects, and left side adjust blood pressure positive screw rod 21-2 and the anti-screw rod 21-3 of right side adjust blood pressure screws in the left-hand thread through hole in the plus thread hole of adjust blood pressure fixed block 20 and adjust blood pressure slide block 22 projection respectively by positive/negative thread.
Described adjust blood pressure fixed block 20 and adjust blood pressure sliding shoe 22 are equipped with vertical through hole, in the vertical through hole of described adjust blood pressure fixed block 20, are provided with long spiro nail 19, in the vertical through hole of pressure sliding shoe 22, be provided with long spiro nail 1.
Described steel nail fixture is adjustable steel nail connection folder, comprise fixture block 6 on bulb, fixture block 5 under bulb, first screw 7 and adjustable square toes steel nail folder 4, on described bulb, fixture block 6 is identical with the planform of fixture block under bulb 5, on bulb, under fixture block 6 and bulb, the side of the contact surface of fixture block 5 is provided with ball recess, opposite side is provided with arc groove, it is spherical that square toes steel nail presss from both sides 4 one end, the other end is square, square end is provided with steel nail through hole and top nail 3, the line at described square end center and spheric end center and the axes normal of steel nail through hole, the axis of top nail 3 is vertical with the axis co-planar of steel nail through hole, on described bulb, under fixture block 6 and bulb, fixture block 5 is set up by the first screw 7 and is connected, described first support arm 10 is through in the arc groove under fixture block on bulb 6 and bulb fixture block 5 contact surface, the spheric end of adjustable square toes steel nail folder 4 is placed in the ball recess on bulb under fixture block 6 and bulb between fixture block 5 contact surface.
Described steel nail fixture is buckle steel nail connection folder, comprise the 3rd screw 13, steel nail train wheel bridge 14, steel nail lower plate 15, spring 26, band tooth U groove fixture block 16, U groove fixture block 18 and Screw 27, the lower end of the 3rd screw 13 is successively through steel nail train wheel bridge 14, steel nail lower plate 15, spring 26, band tooth U groove fixture block 16 and rear the foundation with Screw 27 of U groove fixture block 18 connect, the side, upper surface of described steel nail lower plate 15 is provided with boss, opposite side is provided with V-shaped groove, on the lower surface of steel nail train wheel bridge 14, side has escape groove, opposite side has steel nail arcuate groove, first escape groove is corresponding with the cooperation of the first boss, steel nail arcuate groove is corresponding with the cooperation of V-shaped groove, on described U-shaped, the side of the lower surface of fixture block is provided with the second boss, opposite side is provided with U-lag, the side of the upper surface of U groove fixture block 18 is provided with the second escape groove, opposite side is provided with lower U-lag, second escape groove is corresponding with the cooperation of the second boss, upper U-lag is corresponding with the cooperation of lower U-lag, second support arm is through the U-lag between band tooth U groove fixture block 16 and U groove fixture block 18 contact surface.
The lower surface of described steel nail lower plate 15 and the upper surface of band tooth U groove fixture block 16 are toothed surfaces.
Described adding, connects firmly folder and comprises and reinforce upper fixture block 11, reinforce lower fixture block 9 and the second screw 12, in described reinforcing, fixture block 11 is identical with shape with the structure of reinforcing lower fixture block 9, in reinforcing, fixture block 11 is provided with arc groove with the both sides of the contact surface reinforcing lower fixture block 9, and in reinforcing, fixture block 11 sets up connection with fixture block 9 under reinforcing by the second screw 12.
Described first support arm 10 and the second support arm are carbon element rod.
Described first screw 7, second screw 12, the 3rd screw 13, long spiro nail 1 and long spiro nail 19 are soket head cap screw.
As shown in figure 32, the present invention is combined into unilateral double-arm multistage Fracture of femur adjustable buckle bone pressuring external fixer extenal fixation femur several sections of fracture as shown in figure 32, femur 3 end is fractured, hole respectively to fracture segment at large leg outer side, be screwed into two steel nails, steel nail afterbody with accelerate 15 under external fixator two ends steel nail train wheel bridge 14 and steel nail and connect, two steel nail afterbodys of intermedium trisection press from both sides 4 with adjustable square toes steel nail and connect, the locking that makes a decision with the tight external fixator each several part of L twisting, then start fracture segment bone pressurization piecemeal, method is with L twisting pine long spiro nail 1 and the second screw 12, pull with straight-bar and insert screw press 21 with holes, inhour is rotated, fracture segment is moved to the direction that arrow refers to and bone stump direction, observe scale 2, fracture gap is closed, continue switching, move 3mm again, produce 3kg compressive stress (result calculated by straightforward procedure), then long spiro nail 1 and the second screw 12 is tightened immediately, locking, bone stump is made to produce compressive stress, remain to union of fracture, recover this bone section fracture Physiological Pressure stress, improve fracture healing rate,
Embodiment two: as shown in figure 33, the present embodiment is combined into the adjustable buckle pressuring external fixer of unilateral double-arm multistage Fracture of femur, the steel nail folder of extenal fixation femur 3 end fracture all connects two steel nail afterbodys of every block bone section with the combination of adjustable square toes steel nail folder 4, described in fixing each fracture segment pressure method embodiment one, feature is that adjustable square toes steel nail folder 4 can be transferred, correct displacement fracture.
Embodiment three: as shown in figure 34, the present embodiment is combined into the steel nail afterbody of both arms multistage Fracture of femur adjustable buckle bone locking and pressurizing external fixator extenal fixation femur 3 end fracture, all with buckle steel nail connection folder, be connected and fixed, it is fast that buckle steel nail connection folder feature connects steel nail speed, and each fracture segment pressure method is with described in embodiment one.
Embodiment four: the difference of the present embodiment and embodiment one is that described combination type unilateral double-arm multistage Fracture of femur adjustable buckle bone compression fixator comprises bar link rod fixture block combination unit, comprise the 3rd screw 13, fixture block 25 on U groove with holes, first band tooth U groove fixture block 16-1, spring 26, second band tooth U groove fixture block 16-2, U groove fixture block 18 and Screw 27, the lower end of the 3rd screw 13 is successively through fixture block 25 on U groove with holes, first band tooth U groove fixture block 16-1, tooth U groove fixture block 16-2 is with by spring 26 second, set up with Screw 27 after U groove fixture block 18 and connect, on described U groove with holes, the side of the lower surface of fixture block 25 has escape groove, opposite side has U-lag, the side, upper surface of the first band tooth U groove fixture block 16-1 is provided with boss, opposite side is provided with lower U-lag, the side of the lower surface of described second band tooth U groove fixture block 16-2 is provided with the second boss, opposite side is provided with U-lag, the side of the upper surface of U groove fixture block 18 is provided with the second escape groove, opposite side is provided with lower U-lag, described first escape groove is corresponding with the cooperation of the first boss, second escape groove is corresponding with the cooperation of the second boss, upper U-lag is corresponding with the cooperation of lower U-lag, as shown in figure 35, the present invention is outside on resected femur condyle during several sections of fracture, all fix by buckle steel nail folder T-shaped,
As shown in figure 35, the present embodiment is combined into unilateral double-arm multistage Fracture of femur adjustable buckle bone locking and pressurizing external fixator, all with the combination of buckle steel nail connection folder, be connected and fixed each fracture segment, wherein four nearly fracture of the femoral condyle bar link rod fixture blocks, connect the first support arm and quarter butt 28 to connect decussation and fix, the combination of quarter butt 28 two ends buckle steel nails folder connection folder is connected and fixed ankle two steel nail, and connecting the two steel nail afterbodys interrupting sclerite two steel nail afterbodys and fractured near end block respectively, bone pressure method is identical with embodiment one.
Embodiment five: as shown in figure 36, the present embodiment the present invention is applied in extenal fixation middle femoral shaft fracture, first support arm 10 is shifted below flexible pressure regulator, all be connected and fixed with adjustable square toes steel nail, pressure method is: unscrew long spiro nail 1 and the switching clockwise of the second screw 12, adjust blood pressure leading screw makes fracture segment move to the direction of arrow, and bone pressurizes, and sutura is healed.
Embodiment six: as shown in figure 37, originally practices extenal fixation middle femoral shaft fracture, and the first support arm 10 is transferred below adjust blood pressure compensator, and all connect steel nail afterbody with buckle steel nail, bone pressurization is identical with embodiment five.
Embodiment seven: as shown in figure 38, this enforcement is combined into shank and surpasses ankle joint extenal fixation, all with buckle steel nail connection folder, wherein two super ankle bar link rod fixture blocks 25 connect the first support arm 10 and quarter butt 28, fix in decussation, the buckle steel nail folder connection two of quarter butt 28 two ends surpasses ankle with steel nail and fixes calcaneus and contract bone (astragalus) respectively, and feature is that buckle steel nail folder connection steel nail is easy to operate, and extenal fixation is quick.
Embodiment eight: as shown in figure 39, as shown in figure 39, the present invention's whole steel nail folder is combined into shank with adjustable square toes steel nail folder and surpasses the nearly ankle joint complicated fracture of ankle joint External fixation tibia, bar link rod fixture block connects the first support arm 10 and quarter butt 28 is fixed in decussation, the adjustable square toes steel nail in quarter butt two ends presss from both sides be connected and fixed calcaneus and contract bone, and adjustable square toes steel nail folder feature is the adjustable remaining displacement of just fracturing of bulb folder steel nail after extenal fixation.
Long spiro nail 1 of the present invention and long spiro nail 19, scale 2, top nail 3, short 3rd screw 7, scale staple 8, hold-down screw 24 are all medical stainless steel standard components; Under described adjustable square toes steel nail folder 4, bulb, on fixture block 5, bulb, in fixture block 6, the lower fixture block 9 of reinforcing, reinforcing, fixture block 11 makes by medical stainless steel, steel nail train wheel bridge 14, steel nail lower plate 15, band tooth U groove fixture block 16, U groove fixture block 18, adjust blood pressure fixed block 20, screw press with holes 21, adjust blood pressure slide block 22 are manufactured by aluminum alloy materials, and the carbon element rod of described first support arm and the second support arm is the standard component that carbon fiber material makes.
The foregoing is only patent of the present invention preferably detailed description of the invention; these detailed description of the invention are all based on the different implementations under entirety design of the present invention; and; the protection domain of patent of the present invention is not limited to this; anyly be familiar with those skilled in the art; in the technical scope that the present invention discloses, the varying type that can expect easily is replaced, and all should be encompassed within protection scope of the present invention.
Claims (10)
1. combination type unilateral double-arm multistage Fracture of femur adjustable buckle bone compression fixator, comprises the Telescopic Fixed device of adjust blood pressure and some steel nail fixtures,
It is characterized in that: combination type unilateral double-arm multistage Fracture of femur adjustable buckle bone compression fixator comprises the first support arm (10), second support arm and some adding, connect firmly folder, second support arm comprises left arm body (17-1) and right arm body (17-2), left arm body (17-1) intercalation is in the left side of the Telescopic Fixed device of adjust blood pressure, right arm body (17-2) intercalation is on the right side of the Telescopic Fixed device of adjust blood pressure, left arm body (17-1) connects with the first support arm (10) with between right arm body (17-2) with the first support arm (10) respectively by adding to connect firmly to press from both sides to set up, steel nail fixture is arranged on the first support arm or the second support arm.
2. combination type unilateral double-arm multistage Fracture of femur adjustable buckle bone compression fixator according to claim 1, it is characterized in that: the Telescopic Fixed device of described adjust blood pressure comprises scale (2), slide bar (23), adjust blood pressure leading screw, adjust blood pressure fixed block (20) and adjust blood pressure slide block (22), scale (2) is parallel with slide bar (23), described adjust blood pressure fixed block (20) and adjust blood pressure slide block (22) are connected by scale (2) slide bar (23), one end of scale (2) and slide bar (23) is fixed in adjust blood pressure fixed block (20), scale (2) is fixedly connected with after extending adjust blood pressure slide block with the other end of slide bar (23), described adjust blood pressure slide block (22) is in scale (2) and the upper slip of slide bar (23), the intercalation of described left arm body (17-1) is in adjust blood pressure fixed block (20) left side, right arm body (17-2) intercalation is on the right side of adjust blood pressure slide block (22).
3. combination type unilateral double-arm multistage Fracture of femur adjustable buckle bone compression fixator according to claim 2, it is characterized in that: described adjust blood pressure fixed block (20) is identical with the planform of adjust blood pressure slide block (22), adjust blood pressure fixed block (20) is provided with scale open slot from top to bottom successively, upper cross through hole and lower cross through hole, adjust blood pressure fixed block (20) is provided with vertical through hole, long spiro nail (19) is provided with in vertical through hole, described upper cross through hole is respectively equipped with the side of lower cross through hole the horizontal opening groove be communicated with it, the opening direction of horizontal opening groove is contrary with the opening direction of scale open slot, described scale (2) intercalation is in scale open slot, slide bar (23) inserts the cross through hole on the upper cross through hole of adjust blood pressure slide block (22) and adjust blood pressure fixed block (20) successively, the intercalation of described left arm body (17-1) is in the left side of the lower cross through hole of adjust blood pressure fixed block (20), right arm body (17-2) intercalation is on the right side of the lower cross through hole of adjust blood pressure slide block (22).
4. combination type unilateral double-arm multistage Fracture of femur adjustable buckle bone compression fixator according to claim 2, it is characterized in that: the Telescopic Fixed device of described adjust blood pressure comprises adjust blood pressure leading screw, the vertical side of adjust blood pressure fixed block (20) and adjust blood pressure slide block (22) is provided with projection, plus thread through hole is provided with in adjust blood pressure fixed block (20) projection, the projection of adjust blood pressure slide block (22) is provided with left-hand thread through hole, just, the axis of left-hand thread through hole, the axis of upper cross through hole and the axis being parallel of lower cross through hole, described adjust blood pressure leading screw comprises look nut with holes (21-1), the left side positive screw rod of adjust blood pressure (21-2) and the anti-screw rod of right side adjust blood pressure (21-3), the left side positive screw rod of adjust blood pressure (21-2) and the anti-screw rod of right side adjust blood pressure (21-3) are set up by look nut with holes (21-1) and are connected, left side the positive screw rod of adjust blood pressure (21-2) and the anti-screw rod of right side adjust blood pressure (21-3) respectively by positive/negative thread screw-in adjust blood pressure fixed block (20) plus thread through hole and adjust blood pressure slide block (22) projection in left-hand thread through hole in.
5. combination type unilateral double-arm multistage Fracture of femur adjustable buckle bone compression fixator according to claim 1, it is characterized in that: described steel nail fixture is adjustable steel nail connection folder, comprise fixture block on bulb (6), fixture block (5) under bulb, first screw (7) and adjustable square toes steel nail folder (4), on bulb, under fixture block (6) and bulb, the side of the contact surface of fixture block (5) is provided with ball recess, opposite side is provided with arc groove, described square toes steel nail folder (4) one end is spherical, the other end is square, square end is provided with steel nail through hole and top nail (3), the line at described square end center and spheric end center and the axes normal of steel nail through hole, the axis on top nail (3) is vertical with the axis co-planar of steel nail through hole, on described bulb, under fixture block (6) and bulb, fixture block (5) is set up by the first screw (7) and is connected, described first support arm (10) or the second support arm are through in the arc groove under fixture block on bulb (6) and bulb fixture block (5) contact surface, the spheric end of adjustable square toes steel nail folder (4) is placed in the ball recess under fixture block on bulb (6) and bulb between fixture block (5) contact surface.
6. combination type unilateral double-arm multistage Fracture of femur adjustable buckle bone compression fixator according to claim 1, it is characterized in that: described steel nail fixture is buckle steel nail connection folder, comprise the 3rd screw (13), steel nail train wheel bridge (14), steel nail lower plate (15), spring (26), band tooth U groove fixture block (16), U groove fixture block (18) and Screw (27), the lower end of the 3rd screw (13) is successively through steel nail train wheel bridge (14), steel nail lower plate (15), spring (26), band tooth U groove fixture block (16) and U groove fixture block (18) are set up with Screw (27) afterwards and are connected, the contact surface of described steel nail lower plate (15) and steel nail train wheel bridge (14) is provided with steel nail groove, the contact surface of band tooth U groove fixture block (16) and U groove fixture block (18) is equipped with U-lag, the lower surface of described steel nail lower plate (15) and the upper surface of band tooth U groove fixture block (16) are toothed surfaces.
7. combination type unilateral double-arm multistage Fracture of femur adjustable buckle bone compression fixator according to claim 6, it is characterized in that: the side, upper surface of described steel nail lower plate (15) is provided with boss, opposite side is provided with V-shaped groove, on the lower surface of steel nail train wheel bridge (14), side has escape groove, opposite side has steel nail arcuate groove, first escape groove is corresponding with the cooperation of the first boss, steel nail arcuate groove is corresponding with the cooperation of V-shaped groove, on described U-shaped, the side of the lower surface of fixture block is provided with the second boss, opposite side is provided with U-lag, the side of the upper surface of U groove fixture block (18) is provided with the second escape groove, opposite side is provided with lower U-lag, second escape groove is corresponding with the cooperation of the second boss, upper U-lag is corresponding with the cooperation of lower U-lag.
8. combination type unilateral double-arm multistage Fracture of femur adjustable buckle bone compression fixator according to claim 1, it is characterized in that: described in add and connect firmly folder and comprise and reinforce upper fixture block (11), reinforce lower fixture block (9) and the second screw (12), in reinforcing, the contact surface of fixture block (11) and the lower fixture block (9) of reinforcing is provided with two arc grooves, and in reinforcing, fixture block (11) and the lower fixture block (9) of reinforcing set up connection by the second screw (12).
9. combination type unilateral double-arm multistage Fracture of femur adjustable buckle bone compression fixator according to claim 1, it is characterized in that: described combination type unilateral double-arm multistage Fracture of femur adjustable buckle bone compression fixator comprises bar link rod fixture block combination unit, comprise the 3rd screw (13), fixture block (25) on U groove with holes, first band tooth U groove fixture block (16-1), spring (26), second band tooth U groove fixture block (16-2), U groove fixture block (18) and Screw (27), the lower end of the 3rd screw (13) is successively through fixture block (25) on U groove with holes, first band tooth U groove fixture block (16-1), spring (26), second band tooth U groove fixture block (16-2), U groove fixture block (18) is set up with Screw (27) afterwards and is connected, on described U groove with holes, fixture block (25) and the first band tooth U groove fixture block (16-1) contact surface are provided with arcuate groove, the contact surface of the second band tooth U groove fixture block (16-2) and U groove fixture block (18) is provided with arcuate groove.
10. combination type unilateral double-arm multistage Fracture of femur adjustable buckle bone compression fixator according to claim 1, is characterized in that: described first support arm (10) and the second support arm are carbon element rod.
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| CN201510316294.3A CN104873255B (en) | 2015-06-10 | 2015-06-10 | Combined type unilateral double-arm multistage femoral fracture is adjustable buckle bone compression fixator |
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| CN201510316294.3A CN104873255B (en) | 2015-06-10 | 2015-06-10 | Combined type unilateral double-arm multistage femoral fracture is adjustable buckle bone compression fixator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107049449A (en) * | 2017-02-15 | 2017-08-18 | 哈尔滨杰瑞斯医疗科技有限公司 | Foot, hand multistage open fracture Combined type external fixed support |
| CN108078619A (en) * | 2016-11-22 | 2018-05-29 | 陈明钊 | A kind of internal fixation steel plate for fracture with adjustable additional steel plate |
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| CN104873255B (en) | 2017-08-11 |
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