CN102551849B - Grounded back flush type reposition booster - Google Patents
Grounded back flush type reposition booster Download PDFInfo
- Publication number
- CN102551849B CN102551849B CN 201110462418 CN201110462418A CN102551849B CN 102551849 B CN102551849 B CN 102551849B CN 201110462418 CN201110462418 CN 201110462418 CN 201110462418 A CN201110462418 A CN 201110462418A CN 102551849 B CN102551849 B CN 102551849B
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- Prior art keywords
- hammer
- chassis
- lock pin
- guide
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 210000003141 lower extremity Anatomy 0.000 claims description 34
- 239000002184 metal Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 208000010392 Bone Fractures Diseases 0.000 abstract description 17
- 206010017076 Fracture Diseases 0.000 abstract description 17
- 210000000988 bone and bone Anatomy 0.000 description 19
- 230000009471 action Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009527 percussion Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241000255925 Diptera Species 0.000 description 1
- 208000006735 Periostitis Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 210000003460 periosteum Anatomy 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
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Abstract
The invention relates to the technical field of medical appliances, particularly to a grounded back flush type reposition booster, which comprises a shaft cap, a guide shaft, a hammer sleeve, a locking pin cylinder, a return spring, a sliding groove, a slipper, a locking pin, a hammer sleeve groove, a handle, a handle sleeve, a fastening bolt, a connecting plate, a lower leg, a leg block, an elastic hammer, an axial force spring, a chassis and an upper leg. The elastic hammer is of a flat cylindrical shape and is positioned in the hammer sleeve, and the axial force spring positioned in the hammer sleeve and sheathed on the guide shaft is arranged between the elastic hammer and the chassis. The flat cylindrical shaped shaft cap which is integrated with the guide shaft is arranged at the top of the guide shaft, and the guide shaft passes through the elastic hammer and a vertical through hold at the middle of the chassis and is extended out from the bottom end of the chassis. The grounded back flush type reposition booster of the invention reduces the possibility of occurrence of secondary fracture and is more convenient in operation.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of grounded back flush type reposition booster.
Background technology
At present to the resetting of collapsed fracture piece, usually adopt open surgery, fully appear fracture, group make it to reset by sleds such as Kirschner wire, periosteum gaffing device, mosquito forcepss.Sometimes the window that must open seam utilizes above-mentioned apparatus to reset.No matter take which kind of mode, all have following shortcoming: one, operation wound are large, and tissue is peeled off extensively, loses blood many.During two, by the apparatus percutaneous reduction by leverage, must by surrounding bone setup action balance pivot, easily cause secondary fracture.Three, the point of application is difficult to perpendicular to the bone piece, corrects its displacement of subsiding and has difficulty, poor effect.Application number is 200810140218.1 cave-in fracture restorer, by the pallet of V font, the collapsed fracture piece is embraced picking-up, re-uses the percussion hammer application of force, makes the bone block reset.The defective of this scheme is: only have handle can supply the percussion hammer application of force on this device, and the handle of bar shaped is positioned on the sidewall of this device, if use common percussion hammer to the handle application of force, the position of institute's application of force is difficult to exactly the direction of axis line along this device, simultaneously, can produce a moment of torsion in the position of collapsed fracture piece in application of force process, this moment of torsion not only has no benefit to resetting of bone piece, and can cause further infringement to the place, fracture crack that subsides, increased difficulty for treatment on the contrary.
Summary of the invention
The present invention is for solving the deficiencies in the prior art, providing a kind of can be combined with above-mentioned cave-in fracture restorer, make the cave-in fracture restorer generation without the axial force of moment of torsion, simultaneously also need not to play the grounded back flush type reposition booster of better bone block reset effect by surrounding bone setup action balance pivot.
The scheme that solves the technology of the present invention problem is: grounded back flush type reposition booster is made of axle cap, the axis of guide, hammer cover, lock pin cylinder, back-moving spring, chute, slide block, lock pin, hammer grooving, handle, sleeve, fastening bolt, connecting plate, lower lower limb, foot piece, spring hammer, axle power spring, chassis and upper lower limb.
The chassis is flat columniform metal dish, connecting plate be on four sidewalls that are uniformly distributed in the chassis and with the metallic plate of the as a whole vertical setting in chassis.Supporting leg of the common formation of upper lower limb, lower lower limb, foot piece and fastening bolt.Wherein, upper lower limb and lower lower limb are shaft-like, and the foot piece is cube shaped metal derby, and the bottom surface of foot piece is bonded with rubber.The upper end of lower lower limb is connected by fastening bolt with an end of upper lower limb, and the other end of upper lower limb is connected with a connecting plate by fastening bolt.The lower end of lower lower limb is connected by fastening bolt with the foot piece.
One vertical through hole is arranged at the middle part on chassis, upper surface on the chassis have one with the chassis be the hammer cover of an integral body and concentric, the cylindrical shape that the hammer cover is opened wide for the upper end, on the sidewall of hammer cover, two vertical hammer groovings are arranged, the upper end of each hammer grooving is concordant with the top edge of hammer cover, the lower end of each hammer grooving is lower than the height of described lock pin cylinder, and in the plane, the center connecting line of two hammer groovings intersects with the axial line of hammer cover.
Have one to be holistic lock pin cylinder with the hammer cover on the lateral wall of hammer cover, one interconnection is arranged in the lock pin cylinder, the outer end sealing of this interconnection and the inner are overlapped inside with hammer and are communicated, have the chute of bar shaped at the upper wall of described interconnection, shaft-like lock pin be in described interconnection and therewith interconnection become clearance fit relationship, the upper wall of lock pin has one to be that holistic slide block stretches out from described chute and becomes clearance fit relationship with described chute with lock pin.One end of lock pin stretches in hammer cover, and stretches into termination in the hammer cover and have inclined-plane towards the top.The back-moving spring that is in compressive state is arranged between the outer end of the other end of lock pin and lock pin cylinder.
Spring hammer is oblate tubular, spring hammer is in the hammer cover and overlaps into clearance fit relationship with hammer, have two to be holistic handle with spring hammer on the sidewall of spring hammer, each handle stretches out from a described hammer grooving respectively, and on the handle that stretches out, cover has the sleeve of quality of rubber materials.Have between the end face on the bottom surface of spring hammer and chassis and be in the hammer cover and be placed in axle power spring on the axis of guide.
The axis of guide is cylindrical, and it is holistic flat columniform axle cap that the top of the axis of guide has with the axis of guide, and the diameter of axle cap is greater than the diameter of the axis of guide, and there is a blind hole bottom of the axis of guide, and this blind hole is a screw.The axis of guide is in the hammer cover and with hammer and overlaps coaxial inner conductor, and the axis of guide passes the described vertical through hole of spring hammer and middle part, chassis from top to down, and stretches out from the bottom on chassis.The axis of guide all becomes clearance fit relationship with spring hammer and the axis of guide with the chassis.
Before operation, the operating-table of first patient being lain be pushed into the chassis under, regulate each fastening bolt, the axial line of spring hammer is consistent with the direction of bone block reset power.The pallet end of cave-in fracture restorer is placed under the bone that subsides, then the screw of the bottom of the axis of guide is placed on the other end of cave-in fracture restorer and screws.Then, the doctor holds two handles to pressing down with two, because stretching into termination in hammer cover, lock pin has inclined-plane towards the top, therefore when spring hammer passes through lock pin from top to bottom, in lock pin auto back retraction lock pin cylinder, when the upper surface of spring hammer during lower than the lower limb of described lock pin, under the promotion of back-moving spring, lock pin automatically stretches into again in the hammer cover and spring hammer is limited in position lower than the height of lock pin.In the time of need to applying restoring force to the bone that subsides, only need slide block is stirred backward, the beveled end of lock pin is bounced back in the lock pin cylinder, this moment, lock pin was to the restriction cancellation of spring hammer, under the promotion of axle power spring, spring hammer accelerates to move upward and clashes into the bottom surface of axle cap, and this impact force is delivered to through axis of guide the bone place of subsiding and makes the bone block reset.
Adopt such scheme, compared with prior art, the present invention has following marked improvement:
Due to the present invention in applying the process of reset force not by the cave in setup action balance pivot of bone surrounding bone of patient, compared with prior art, reduced the probability that secondary fracture occurs.
2. because the present invention can make to the axial impact power bottom axle cap the reduction of caving in by spring hammer, stopped in prior art, the generation of the destruction moment of torsion that does not cause at direction of axis line because of application of force direction, avoided the generation of the secondary fracture that moment of torsion causes, the degree of safety of operation is improved greatly.
3. due to the initiation of the application of force of the present invention, only need just can complete by stirring slide block, more convenient to operate.
4. because the present invention can make by the fastening bolt of regulating each supporting leg the axial line of spring hammer consistent with the direction of the power that makes the bone block reset, and can be fixed, avoided in the application of force process deviation because of the unstable application of force direction that produces of device, made this device have higher reliability.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the top view of Fig. 1.
In figure: lower limb 20. cave-in fracture restorer 21. operating-tables on 14. times lower limbs of 01. axle cap 02. axis of guide 03. hammer cover 04. lock pin cylinder 05. back-moving spring 06. chute 07. slide block 08. lock pin 09. hammer grooving 10. handle 11. sleeve 12. fastening bolt 13. connecting plates 15. foot piece 16. spring hammer 17. axle power spring 18. chassis 19.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
Grounded back flush type reposition booster is made of axle cap 01, the axis of guide 02, hammer cover 03, lock pin cylinder 04, back-moving spring 05, chute 06, slide block 07, lock pin 08, hammer grooving 09, handle 10, sleeve 11, fastening bolt 12, connecting plate 13, lower lower limb 14, foot piece 15, spring hammer 16, axle power spring 17, chassis 18 and upper lower limb 19.
There is a vertical through hole at 18 middle part on the chassis, on the chassis 18 upper surface have one with chassis 18 be the hammer cover 03 of an integral body and concentric, the cylindrical shape that hammer cover 03 is opened wide for the upper end, on the sidewall of hammer cover 03, two vertical hammer groovings 09 are arranged, the upper end of each hammer grooving 09 is concordant with the top edge of hammer cover 03, the lower end of each hammer grooving 09 is lower than the height of described lock pin cylinder 04, and in the plane, the center connecting line of two hammer groovings 09 intersects with the axial line of hammer cover 03.
Have one to be holistic lock pin cylinder 04 with hammer cover 03 on the lateral wall of hammer cover 03, one interconnection is arranged in lock pin cylinder 04, the outer end sealing of this interconnection and the inner are overlapped 03 inside with hammer and are communicated, have the chute 06 of bar shaped at the upper wall of described interconnection, shaft-like lock pin 08 be in described interconnection and therewith interconnection become clearance fit relationship, the upper wall of lock pin 08 have one with lock pin 08 be holistic slide block 07 stretch out from described chute 06 and with 06 one-tenth clearance fit relationship of described chute.One end of lock pin 08 stretches in hammer cover 03, and stretches into termination in hammer cover 03 and have inclined-plane towards the top.The back-moving spring 05 that is in compressive state is arranged between the outer end of the other end of lock pin 08 and lock pin cylinder 04.
The axis of guide 02 is cylindrical, and it is holistic flat columniform axle cap 01 that the top of the axis of guide 02 has with the axis of guide 02, and the diameter of axle cap 01 is greater than the diameter of the axis of guide 02, and there is a blind hole bottom of the axis of guide 02, and this blind hole is a screw.The axis of guide 02 be in hammer cover 03 and with hammer cover 03 coaxial inner conductor, the axis of guide 02 passes the described vertical through hole of spring hammer 16 and 18 middle parts, chassis from top to down, and stretch out 18 bottom from the chassis.The axis of guide 02 all becomes clearance fit relationship with spring hammer 16 and the axis of guide 02 with chassis 18.
Before operation, the operating-table 21 of first patient being lain be pushed into chassis 18 under, regulate each fastening bolt 12, the axial line of spring hammer 16 is consistent with the direction of bone block reset power.The pallet end of cave-in fracture restorer 20 is placed under the bone that subsides, then the screw of the bottom of the axis of guide 02 is placed on the other end of cave-in fracture restorer 20 and screws.Then, the doctor holds two handles 10 to pressing down with two, because stretching into termination in hammer cover 03, lock pin 08 has inclined-plane towards the top, therefore when spring hammer 16 passes through lock pin 08 from top to bottom, in lock pin 08 auto back retraction lock pin cylinder 04, when the upper surface of spring hammer 16 during lower than the lower limb of described lock pin 08, under the promotion of back-moving spring 05, lock pin 08 automatically stretches into again in hammer cover 03 and spring hammer 16 is limited in position lower than the height of lock pin 08.In the time of need to applying restoring force to the bone that subsides, only need slide block 07 is stirred backward, the beveled end of lock pin 08 is bounced back in lock pin cylinder 04, the restriction cancellation of 08 pair of spring hammer 16 of lock pin this moment, under the promotion of axle power spring 17, spring hammer 16 accelerates to move upward and clashes into the bottom surface of axle cap 01, and this impact force is delivered to through axis of guide 02 the bone place of subsiding and makes the bone block reset.
Claims (1)
1. grounded back flush type reposition booster, by axle cap, the axis of guide, the hammer cover, the lock pin cylinder, back-moving spring, chute, slide block, lock pin, the hammer grooving, the hands handle, sleeve, fastening bolt, connecting plate, lower lower limb, the foot piece, spring hammer, axle power spring, chassis and upper lower limb consist of, it is characterized in that: the chassis is flat columniform metal dish, connecting plate be on four sidewalls that are uniformly distributed in the chassis and with the metallic plate of the as a whole vertical setting in chassis, upper lower limb, lower lower limb, supporting leg of the common formation of foot piece and fastening bolt, wherein, upper lower limb and lower lower limb are shaft-like, the foot piece is cube shaped metal derby, the bottom surface of foot piece is bonded with rubber, the upper end of lower lower limb is connected by fastening bolt with an end of upper lower limb, the other end of upper lower limb is connected with a connecting plate by fastening bolt, the lower end of lower lower limb is connected by fastening bolt with the foot piece, one vertical through hole is arranged at the middle part on chassis, upper surface on the chassis have one with the chassis be the hammer cover of an integral body and concentric, the cylindrical shape that the hammer cover is opened wide for the upper end, on the sidewall of hammer cover, two vertical hammer groovings are arranged, the upper end of each hammer grooving is concordant with the top edge of hammer cover, the lower end of each hammer grooving is lower than the height of described lock pin cylinder, in the plane, the center connecting line of two hammer groovings intersects with the axial line of hammer cover, have one to be holistic lock pin cylinder with the hammer cover on the lateral wall of hammer cover, one interconnection is arranged in the lock pin cylinder, the outer end sealing of this interconnection and the inner are overlapped inside with hammer and are communicated, have the chute of bar shaped at the upper wall of described interconnection, shaft-like lock pin be in described interconnection and therewith interconnection become clearance fit relationship, the upper wall of lock pin has one to be that holistic slide block stretches out from described chute and becomes clearance fit relationship with described chute with lock pin, one end of lock pin stretches in the hammer cover, and stretch into termination in hammer cover and have inclined-plane towards the top, the back-moving spring that is in compressive state is arranged between the outer end of the other end of lock pin and lock pin cylinder, spring hammer is oblate tubular, spring hammer is in the hammer cover and overlaps into clearance fit relationship with hammer, there are two to be holistic hands handle with spring hammer on the sidewall of spring hammer, each handle stretches out from a described hammer grooving respectively, on the handle that stretches out, cover has the sleeve of quality of rubber materials, have between the end face on the bottom surface of spring hammer and chassis and be in the hammer cover and be placed in axle power spring on the axis of guide, the axis of guide is cylindrical, it is holistic flat columniform axle cap that the top of the axis of guide has with the axis of guide, the diameter of axle cap is greater than the diameter of the axis of guide, there is a blind hole bottom of the axis of guide, this blind hole is a screw, the axis of guide is in the hammer cover and with hammer and overlaps coaxial inner conductor, the axis of guide passes the described vertical through hole of spring hammer and middle part, chassis from top to down, and stretch out from the bottom on chassis, the axis of guide all becomes clearance fit relationship with spring hammer and the axis of guide with the chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110462418 CN102551849B (en) | 2011-12-31 | 2011-12-31 | Grounded back flush type reposition booster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110462418 CN102551849B (en) | 2011-12-31 | 2011-12-31 | Grounded back flush type reposition booster |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102551849A CN102551849A (en) | 2012-07-11 |
| CN102551849B true CN102551849B (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110462418 Expired - Fee Related CN102551849B (en) | 2011-12-31 | 2011-12-31 | Grounded back flush type reposition booster |
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| Country | Link |
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| CN (1) | CN102551849B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105193462A (en) * | 2015-09-25 | 2015-12-30 | 常州麟喃热处理厂 | Power-assisted malleus ripper |
| CN110773415A (en) * | 2019-10-24 | 2020-02-11 | 西安寒武纪石油科技有限公司 | Production process of well cementation ceramic hollow microspheres |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3413690A1 (en) * | 1984-04-11 | 1985-10-17 | Gerhard 8170 Bad Tölz Dawidowski | Depression/retraction tool for a compression nail for bone fractures |
| CN2113756U (en) * | 1992-03-06 | 1992-08-26 | 中国人民解放军第153中心医院 | Medical bone screw driver for sternum girdle |
| CN2652342Y (en) * | 2003-11-08 | 2004-11-03 | 戢翰升 | Suspending type reposition device for depressed cranial fracture |
| CN101385658A (en) * | 2008-09-17 | 2009-03-18 | 布金鹏 | Cave-in fracture restorer |
| US7901409B2 (en) * | 2006-01-20 | 2011-03-08 | Canaveral Villegas Living Trust | Intramedullar devices and methods to reduce and/or fix damaged bone |
| CN202397576U (en) * | 2011-12-31 | 2012-08-29 | 宁波市鄞州云帆工程咨询有限公司 | Pop-up collision type axial force generator |
-
2011
- 2011-12-31 CN CN 201110462418 patent/CN102551849B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3413690A1 (en) * | 1984-04-11 | 1985-10-17 | Gerhard 8170 Bad Tölz Dawidowski | Depression/retraction tool for a compression nail for bone fractures |
| CN2113756U (en) * | 1992-03-06 | 1992-08-26 | 中国人民解放军第153中心医院 | Medical bone screw driver for sternum girdle |
| CN2652342Y (en) * | 2003-11-08 | 2004-11-03 | 戢翰升 | Suspending type reposition device for depressed cranial fracture |
| US7901409B2 (en) * | 2006-01-20 | 2011-03-08 | Canaveral Villegas Living Trust | Intramedullar devices and methods to reduce and/or fix damaged bone |
| CN101385658A (en) * | 2008-09-17 | 2009-03-18 | 布金鹏 | Cave-in fracture restorer |
| CN202397576U (en) * | 2011-12-31 | 2012-08-29 | 宁波市鄞州云帆工程咨询有限公司 | Pop-up collision type axial force generator |
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| Publication number | Publication date |
|---|---|
| CN102551849A (en) | 2012-07-11 |
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Owner name: YANGZHOU HAOPU BIOLOGICAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: NINGBO YINZHOU YUNFAN ENGINEERING CONSULTING CO., LTD. Effective date: 20131112 |
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Free format text: CORRECT: ADDRESS; FROM: 315192 NINGBO, ZHEJIANG PROVINCE TO: 225200 YANGZHOU, JIANGSU PROVINCE |
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Effective date of registration: 20131112 Address after: 225200 Jiangdu City, Yangzhou province high tech Innovation Service Center, building 3, building No. Patentee after: Yangzhou Haopu Biological Technology Co., Ltd. Address before: 315192 Zhejiang City, Yinzhou District, the old Temple Temple Street, Changfeng old market to the south of the room eleventh 2-11 Patentee before: Ningbo Yinzhou Yunfan Engineering Consulting Co., Ltd. |
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Address after: 225200 Jiangdu City, Yangzhou province high tech Innovation Service Center, building 3, building No. Patentee after: JIANGSU HOPEBIOMEDICAL SCIENCE & TECHNOLOGY CO., LTD. Address before: 225200 Jiangdu City, Yangzhou province high tech Innovation Service Center, building 3, building No. Patentee before: Yangzhou Haopu Biological Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20181231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |