CN103054623A - Foramen reaming tool used during transforaminal approach surgery under spinal endoscope - Google Patents
Foramen reaming tool used during transforaminal approach surgery under spinal endoscope Download PDFInfo
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- CN103054623A CN103054623A CN2013100142987A CN201310014298A CN103054623A CN 103054623 A CN103054623 A CN 103054623A CN 2013100142987 A CN2013100142987 A CN 2013100142987A CN 201310014298 A CN201310014298 A CN 201310014298A CN 103054623 A CN103054623 A CN 103054623A
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Abstract
The invention discloses a foramen reaming tool used during a transforaminal approach surgery under a spinal endoscope. The foramen reaming tool comprises at least one bone awl, at least one bone awl protective sleeve, a plurality of bone drills and at least one bone drill protective sleeve; each bone awl comprises a bone awl rod, a rotating handle and an awl head, the rotating handle is arranged at the tail end of the bone awl rod in a connected manner, the awl head is fixedly arranged at the head end of the bone awl rod, the bone awls include a first bone awl, and an awl head of the first bone awl is in the shape of a triangular pyramid; each bone drill comprises a bone drill rod, a rotating handle and a drill bit, the rotating handle is arranged at the tail end of the bone drill rod in a connected manner, the drill bit is fixedly arranged at the head end of the bone drill rod, and a through wire guide hole is arranged in the axial center of the bone drill; and the multiple bone drills at least include first bone drills and large-diameter bone drills, and outer diameters of the drill bits of the first bone drills and the large-diameter bone drills are sequentially increased. The foramen reaming tool has the advantages of reasonable design, capability of improving surgical safety, and the like.
Description
Technical field
The present invention relates to medical surgical instrument, specifically refer to the intervertebral foramina reaming tool in the operation of intervertebral spinal fusion approach under a kind of spinal column scope.
Background technology
Lumbar Intervertebral (pressuring nerve behind the intervertebral disk hernia, pressuring nerve be disc tissue, be soft tissue), (hyperosteogeny causes that the relatively narrow card that causes of neural channel presses symptom to lumbar spinal stenosis, pressuring nerve be bone sex organization, be sclerous tissues) be common disease, perplexing for a long time the patient.Present Therapeutic Method mostly adopts open surgery, i.e. posterior lumbar spinal surgery, cut skin, peel off muscle, excision lumbar vertebra vertebral plate, with the outstanding disc tissue of pressuring nerve or the osseous tissue excision (decompression) of hypertrophy, its operation wound is large, and the patient is long recovery time.Along with the progress of less invasive techniques, intervertebral spinal fusion approach operative treatment lumbar disc disease under the spinal column scope has appearred, and its operation wound is little, uses local anaesthesia, has obtained enormous benefits.This operation need to be at the otch of skin lumbar vertebra side incision of skin one 8mm, puncture navigates to superior articular process of lumbar vertebra, puncture needle need to be close to superior articular process's wall, then insert seal wire, then use and encircle the cut-out superior articular process of lumbar vertebra of crouching, so just set up and entered the passage that lumbar vertebral canal carries out operation technique, then insert the work sleeve, then insert the spinal column scope in the work sleeve, direct-view is lower carries out the excision of the bone sex organization of the excision of Lumbar intervertebral disc protrusion and hypertrophy.
Yet the technological difficulties of this operation are the location of puncturing accurately, puncture needle must be close to superior articular process's wall, this difficult problem makes the clinician accurately expend a large amount of time in order to puncture, experience tens times X-ray examination location, patient and doctor are caused huge injury, and, use ring to crouch and excise the superior articular process, important soft tissue around easily ring being crouched causes accidental injury such as neural, blood vessel, and bring the severe complications such as lower limb muscles paralysis, massive hemorrhage, therefore being necessary to design some operation tools improves this technology.
Summary of the invention
The objective of the invention is the shortcoming and defect that exists in order to overcome prior art, and the intervertebral foramina reaming tool in the operation of intervertebral spinal fusion approach under a kind of spinal column scope of the safety that can improve the spinal column endoscopic surgery is provided.
For achieving the above object, technical scheme of the present invention is to include at least one bone cone, at least one bone cone protection sleeve, a plurality of bone drill and at least one bone drill protection sleeve;
Described each root bone cone includes by bone cone bar section, interlock and is arranged at the turning handle of bone cone bar section tail end and the conehead that is fixedly installed on bone cone bar size end, includes the first bone cone in the described bone cone, and the conehead of this first bone cone is the rhizoma sparganic taper;
Described bone cone protection sleeve comprises bone cone hollow cylinder and the bone cone protection sleeve hand part that is fixedly installed on bone cone hollow cylinder upper end, and bone cone protection sleeve inner shaft is bored the bone taper via-hole that fairlead is joined to being provided with bone;
Described each root bone drill has included bone drill bar section, interlock is arranged at the turning handle of bone drill bar section tail end, and the drill bit that is fixedly installed on bone drill bar size end, and the shaft core position of each root bone drill is provided with the thread eye of perforation, described many bone drills include outside diameter at least to be had little of the first large bone drill and large footpath bone drill, the drill bit of described the first bone drill comprises the positioning pluging rod that is positioned at axial top, adjoining in the blunt ring portion of the first taper of positioning pluging rod tail end, and adjoining in the first one-way spiral drill lip section of the blunt ring portion tail end of the first taper, the external diameter of described positioning pluging rod is close with the conehead external diameter of bone cone and cooperates; The drill bit of described large footpath bone drill includes the blunt ring portion of large footpath taper that is positioned at axial top and adjoining in the large footpath of the blunt ring portion tail end of large footpath taper one-way spiral drill lip section;
The bone drill protection sleeve that described bone drill protection sleeve comprises the bone drill hollow cylinder and is fixedly installed on bone drill hollow cylinder upper end is affectedly bashful section, and bone drill protection sleeve inner shaft is to the bone drill through hole that is provided with the bone drill fairlead and joins.
Instrument by this setting, carry out the intervertebral foramina perforate operation in the operation of intervertebral spinal fusion approach under the spinal column scope, utilize the first bone cone to leave the hole, hole in patient superior articular process position, then insert the first bone drill, being located inserted link navigates in the hole, hole, carry out first order perforate, and then insert large footpath bone drill and enlarge step by step perforate, pit hole is enlarged, and get out the duct, and then set up operation path, because superior articular process's sclerotin of human body is hard, adopt the instrument of this setting to enlarge step by step the mode perforate, the doctor is when operation, and the relatively good control of strength that it controls bone drill not only reduces operating difficulty, and be conducive to the bit depth of bone drill rationally controlled and control, effectively anti-stop operation bone drill strength sudden change and the operation non-controllable risk that brings.In addition, this setting, the drill bit of each root bone drill is provided with the blunt ring portion of taper, when boring, can not cause cutting to suffering from this superior articular process nerve on every side, has greatly improved operation safety.Thread eye in the present embodiment bone drill is used for when inserting bone drill, locate by seal wire first, and then from thread eye position insertion bone drill, withdraw from again seal wire, so that the each insertion of bone drill is all accurately reliable, this seal wire is the Metallic rod with flexible, is the common tool of intervertebral spinal fusion approach operation under the existing spinal column scope.
Further arranging is that described bone cone also includes the second bone cone, and the conehead of this second bone cone is the screw conic with one-way spiral cone sword.By this setting, can the hole, hole that the first bone cone is left suitably be enlarged, so that the strength that the bone cone is controlled in doctor's operation more steadily and accurately.
Further arranging is that described bone cone also includes the bone cone of removing obstacles, and this conehead of removing obstacles the bone cone is the hemisphere shape.By this setting, push the first bone cone or the second bone cone GUSUIPIAN when the hole, excavation hole to deep, be conducive to the accurate location of the positioning pluging rod of the first follow-up bone drill, so as to realize the perforate direction accurately.
Further arranging is that bone drill also includes at least one piece central diameter bone drill of outside diameter between the first bone drill and large footpath bone drill, and the drill bit of this central diameter bone drill comprises the blunt ring portion of central diameter taper that is positioned at axial top and adjoining in the central diameter one-way spiral drill lip section of the blunt ring portion tail end of central diameter taper.By this setting, utilize this central diameter bone drill to carry out step by step perforate expansion, so that doctor's operation is controlled the strength of bone cone more steadily with accurate.
Further arranging is also to include bone drill bar section locking piece, be provided with the distance scale line in the bone drill bar section of described each root bone drill, described bone drill bar section locking piece includes the anchor ear ring adaptive with bone drill bar section anchor ear, be provided with on this anchor ear ring with bone drill bar section and embed adaptive breach, and setting runs through the inside and outside clamping screw of anchor ear ring on this anchor ear ring.By this setting, when the perforate operation, in conjunction with X-ray examination in the art degree of depth of perforate is calculated, and the bone drill bar section locking piece that utilizes this setting limits the drilling depth of bone drill, improved the safety of bone drill boring.
Further arrange is that described each root bone is bored and the tail end of each root bone drill is provided with the interlock plug, described turning handle includes the axial shaft bar and is fixedly installed on the stressed handle of rotation of axial shaft bar upper end, the center is provided with the handle seal wire perforation of axial perforation in the described axial shaft bar, and the lower end of this axial shaft bar is provided with the interlock jack with the plug interlock inserting that links.Described interlock plug is positive hexagon prism, and described interlock jack is inner hexagonal hole.This setting is arranged to bone cone and the corresponding turning handle of bone drill that the two is general, thereby has reduced the quantity of operation tool, the carrying out of more convenient operation.
Further arranging is that described turning handle is T-shaped handle, and its center, upper surface of rotating stressed handle is provided with the knock face perpendicular with the axial shaft bar.By this setting, when the first bone cone is offered the hole, hole, can utilize little hammer to knock the face that knocks of this turning handle, the triangular pyramid conehead of the first bone cone is knocked in patient's superior articular process, help the accurate location of position of opening and the carrying out of convenient operation.
Further arrange is also to include bone cone protection sleeve locking piece, this bone cone protection sleeve locking piece includes upper locking piece and the lower locking piece that mutual screw thread is fixedly connected with, upward the center of locking piece is provided with through hole, the periphery projection that this inboard of going up locking piece is gone up through hole relatively is provided with multi-disc and embraces lobe, and the head end of this armful lobe is provided with arcwall; The center of described lower locking piece is provided with the lower through-hole corresponding with upper through hole, and the inboard relatively periphery projection of lower through-hole of this time locking piece is provided with embraces the lobe cover, is provided with the conical cavity with the arcwall press fit of embracing lobe in this armful lobe cover.By, this setting, the relative helical rotation of locking piece and lower locking piece in the utilization; embrace a lobe and do and hold action tightly so that embrace the constantly compressing of lobe cover, and then bone is bored protective sleeve locking, so that the bone cone is when operation; when the doctor arrests bone cone protective sleeve and rotates the bone cone, more effectively control strength.
It is blunt nosed that the head end that further setting is described bone drill hollow cylinder is provided with oblique arc.By this setting, help to protect patient superior articular process nerve and soft tissue on every side.
In sum, the present invention has reasonable in design, and improves the advantages such as safety performed the operation.
Below in conjunction with specification drawings and specific embodiments the present invention is done further introduction.
Description of drawings
The structural representation of Fig. 1 embodiment of the invention bone cone;
The structural representation of Fig. 2 embodiment of the invention bone drill;
Fig. 3 is the I section enlarged drawing of Fig. 2;
Fig. 4 embodiment of the invention the first bone cone and turning handle, bone cone protection sleeve and bone cone protection sleeve locking piece cooperate sketch map;
Fig. 5 is the STRUCTURE DECOMPOSITION figure of Fig. 3;
The STRUCTURE DECOMPOSITION axonometric chart 1 of Fig. 6 embodiment of the invention bone cone protection sleeve locking piece;
The STRUCTURE DECOMPOSITION axonometric chart 2 of Fig. 7 embodiment of the invention bone cone protection sleeve locking piece;
The sketch map that cooperates of Fig. 8 embodiment of the invention central diameter bone drill and turning handle, bone drill protection sleeve and bone drill protection sleeve;
Fig. 9 is the exploded view of Fig. 7;
Figure 10 is the II section enlarged drawing of Fig. 8.
Figure 11 embodiment of the invention turning handle axonometric chart 1;
Figure 12 embodiment of the invention turning handle axonometric chart 2.
The specific embodiment
Below by embodiment the present invention is carried out concrete description; only be used for the present invention is further specified; can not be interpreted as the restriction to protection domain of the present invention, the technician in this field can make some nonessential improvement and adjustment to the present invention according to the content of foregoing invention.
The specific embodiment of the present invention shown in Fig. 1-12 includes 1, bone cone of 3 bone cones protection sleeve 3,4 bone drills 4 and a bone drill protection sleeve 5;
Described each root bone cone includes by bone cone bar section 14, interlock and is arranged at the turning handle 2 of bone cone bar section tail end and the conehead that is fixedly installed on bone cone bar size end, include the first bone cone 11 in the described bone cone, the conehead of this first bone cone 11 is rhizoma sparganic taper 111; Described bone cone also includes the second bone cone 12, and the conehead of this second bone cone is the screw conic 121 with one-way spiral cone sword, and described bone cone also includes the bone cone 13 of removing obstacles, and this conehead of removing obstacles the bone cone is hemisphere shape 131.The external diameter of the conehead of this first bone cone the 11, second bone cone 12 of present embodiment and the bone cone 13 of removing obstacles is preferably 2.5mm, 3.0mm, 2.5mm.
In addition, the described bone cone of present embodiment protection sleeve 3 comprises bone cone hollow cylinder 31 and the bone cone protection sleeve hand part 32 that is fixedly installed on bone cone hollow cylinder upper end, and bone cone protection sleeve inner shaft is bored the bone taper via-hole 33 that fairlead is joined to being provided with bone; This bone cone protection sleeve 3 is set when carrying out bone cone rotation operation, the doctor is affectedly bashful this bone cone protection sleeve 3, rotates the bone cone, rotating has an effect control more stable and freely.
In addition, described each root bone drill has included bone drill bar section 45, interlock is arranged at the turning handle 2 of bone drill bar section tail end, and the drill bit that is fixedly installed on bone drill bar size end, and the shaft core position of each root bone drill is provided with the thread eye 46 of perforation, described many bone drills include outside diameter at least to be had little of the first large bone drill 41 and large footpath bone drill 44, the drill bit of described the first bone drill 41 comprises the positioning pluging rod 411 that is positioned at axial top, the blunt ring portion 412 of adjoining the first taper in the positioning pluging rod tail end, and adjoining in the first one-way spiral drill lip section 413 of blunt ring portion 412 tail ends of the first taper, the external diameter of described positioning pluging rod 411 is close with the conehead external diameter of the first bone cone the 11 or second bone cone 12 and cooperates; The drill bit of described large footpath bone drill 44 includes the blunt ring portion 441 of the large footpath taper that is positioned at axial top and adjoining in the large footpath of the blunt ring portion tail end of large footpath taper one-way spiral drill lip section 442; In addition, bone drill also includes the 2 piece central diameter bone drills 42 of outside diameter between the first bone drill and large footpath bone drill, the rotary head external diameter of these two central diameter bone drills has little of large, and the structure of the drill bit of this central diameter bone drill is and comprises the blunt ring portion 421 of the central diameter taper that is positioned at axial top and adjoining in the central diameter one-way spiral drill lip section 422 of the blunt ring portion tail end of central diameter taper.The outside diameter of this first bone drill 41 of present embodiment, two central diameter bone cones 42 and large footpath bone drill 44 is preferably respectively 4mm, 6mm, 7mm, 8mm.
In addition, the bone drill protection sleeve that the described bone drill protection sleeve 5 of present embodiment comprises bone drill hollow cylinder 51 and is fixedly installed on bone drill hollow cylinder upper end is affectedly bashful section 52, and bone drill protection sleeve inner shaft is to the bone drill through hole 53 that is provided with the bone drill fairlead and joins.
For so that the drilling depth of bone drill is precisely controlled, present embodiment also includes bone drill bar section locking piece 6, be provided with distance scale line 47 in the bone drill bar section of described each root bone drill, described bone drill bar section locking piece 6 includes the anchor ear ring 61 adaptive with bone drill bar section anchor ear, be provided with on this anchor ear ring 61 with bone drill bar section and embed adaptive breach 611, and setting runs through the inside and outside clamping screw 612 of anchor ear ring on this anchor ear ring.
In addition, the tail end of described each the root bone cone of present embodiment and each root bone drill is provided with the interlock plug, described turning handle 2 includes axial shaft bar 21 and is fixedly installed on the stressed handle 22 of rotation of axial shaft bar upper end, described axial shaft bar 21 interior centers are provided with the handle seal wire perforation 211 of axial perforation, and the lower end of this axial shaft bar is provided with the interlock jack with the plug interlock inserting that links, described interlock plug is positive hexagon prism, and described interlock jack is inner hexagonal hole 212.Described turning handle 2 is T-shaped handle, and its center, upper surface of rotating stressed handle 22 is provided with the knock face 221 perpendicular with axial shaft bar 21.
Present embodiment also includes bone cone protection sleeve locking piece 7, this bone cone protection sleeve locking piece 7 includes upper locking piece 71 and the lower locking piece 72 that mutual screw thread is fixedly connected with, upward the center of locking piece is provided with through hole 711, the periphery projection that this inboard of going up locking piece is gone up through hole relatively is provided with multi-disc and embraces lobe 712, and the head end of this armful lobe is provided with arcwall 7121; The center of described lower locking piece 72 is provided with the lower through-hole corresponding with upper through hole 721, the inboard relatively periphery projection of lower through-hole of this time locking piece 72 is provided with embraces lobe cover 722, is provided with the conical cavity 7221 with the arcwall press fit of embracing lobe in this armful lobe cover 722.
In addition, in order to protect superior articular process's nerve and soft tissue on every side, the head end of described bone drill hollow cylinder 5 is provided with oblique arc blunt nosed 511.
Claims (10)
1. the intervertebral foramina reaming tool in the operation of intervertebral spinal fusion approach under the spinal column scope is characterized in that: include at least one bone cone, at least one bone cone protection sleeve, a plurality of bone drill and at least one bone drill protection sleeve;
Described each root bone cone includes by bone cone bar section, interlock and is arranged at the turning handle of bone cone bar section tail end and the conehead that is fixedly installed on bone cone bar size end, includes the first bone cone in the described bone cone, and the conehead of this first bone cone is the rhizoma sparganic taper;
Described bone cone protection sleeve comprises bone cone hollow cylinder and the bone cone protection sleeve hand part that is fixedly installed on bone cone hollow cylinder upper end, and bone cone protection sleeve inner shaft is bored the bone taper via-hole that fairlead is joined to being provided with bone;
Described each root bone drill has included bone drill bar section, interlock is arranged at the turning handle of bone drill bar section tail end, and the drill bit that is fixedly installed on bone drill bar size end, and the shaft core position of each root bone drill is provided with the thread eye of perforation, described many bone drills include outside diameter at least to be had little of the first large bone drill and large footpath bone drill, the drill bit of described the first bone drill comprises the positioning pluging rod that is positioned at axial top, adjoining in the blunt ring portion of the first taper of positioning pluging rod tail end, and adjoining in the first one-way spiral drill lip section of the blunt ring portion tail end of the first taper, the external diameter of described positioning pluging rod is close with the conehead external diameter of bone cone and cooperates; The drill bit of described large footpath bone drill includes the blunt ring portion of large footpath taper that is positioned at axial top and adjoining in the large footpath of the blunt ring portion tail end of large footpath taper one-way spiral drill lip section;
The bone drill protection sleeve that described bone drill protection sleeve comprises the bone drill hollow cylinder and is fixedly installed on bone drill hollow cylinder upper end is affectedly bashful section, and bone drill protection sleeve inner shaft is to the bone drill through hole that is provided with the bone drill fairlead and joins.
2. the intervertebral foramina reaming tool during the intervertebral spinal fusion approach is performed the operation under a kind of spinal column scope according to claim 1 is characterized in that: described bone cone also includes the second bone cone, and the conehead of this second bone cone is the screw conic with one-way spiral cone sword.
3. the intervertebral foramina reaming tool during the intervertebral spinal fusion approach is performed the operation under a kind of spinal column scope according to claim 1 and 2 is characterized in that: described bone cone also includes the bone cone of removing obstacles, and this conehead of removing obstacles bone cone is the hemisphere shape.
4. the intervertebral foramina reaming tool during the intervertebral spinal fusion approach is performed the operation under a kind of spinal column scope according to claim 1, it is characterized in that: bone drill also includes at least one piece central diameter bone drill of outside diameter between the first bone drill and large footpath bone drill, and the drill bit of this central diameter bone drill comprises the blunt ring portion of central diameter taper that is positioned at axial top and adjoining in the central diameter one-way spiral drill lip section of the blunt ring portion tail end of central diameter taper.
5. the intervertebral foramina reaming tool during the intervertebral spinal fusion approach is performed the operation under a kind of spinal column scope according to claim 1, it is characterized in that: also include bone drill bar section locking piece, be provided with the distance scale line in the bone drill bar section of described each root bone drill, described bone drill bar section locking piece includes the anchor ear ring adaptive with bone drill bar section anchor ear, be provided with on this anchor ear ring with bone drill bar section and embed adaptive breach, and setting runs through the inside and outside clamping screw of anchor ear ring on this anchor ear ring.
6. the intervertebral foramina reaming tool during the intervertebral spinal fusion approach is performed the operation under a kind of spinal column scope according to claim 1, it is characterized in that: the tail end of described each root bone cone and each root bone drill is provided with the interlock plug, described turning handle includes the axial shaft bar and is fixedly installed on the stressed handle of rotation of axial shaft bar upper end, the center is provided with the handle seal wire perforation of axial perforation in the described axial shaft bar, and the lower end of this axial shaft bar is provided with the interlock jack with the plug interlock inserting that links.
7. the intervertebral foramina reaming tool during the intervertebral spinal fusion approach is performed the operation under a kind of spinal column scope according to claim 6, it is characterized in that: described interlock plug is positive hexagon prism, described interlock jack is inner hexagonal hole.
8. the intervertebral foramina reaming tool during the intervertebral spinal fusion approach is performed the operation under a kind of spinal column scope according to claim 7, it is characterized in that: described turning handle is T-shaped handle, and its center, upper surface of rotating stressed handle is provided with the knock face perpendicular with the axial shaft bar.
9. the intervertebral foramina reaming tool during the intervertebral spinal fusion approach is performed the operation under a kind of spinal column scope according to claim 1, it is characterized in that: also include bone cone protection sleeve locking piece, this bone cone protection sleeve locking piece includes upper locking piece and the lower locking piece that mutual screw thread is fixedly connected with, upward the center of locking piece is provided with through hole, the periphery projection that this inboard of going up locking piece is gone up through hole relatively is provided with multi-disc and embraces lobe, and the head end of this armful lobe is provided with arcwall; The center of described lower locking piece is provided with the lower through-hole corresponding with upper through hole, and the inboard relatively periphery projection of lower through-hole of this time locking piece is provided with embraces the lobe cover, is provided with the conical cavity with the arcwall press fit of embracing lobe in this armful lobe cover.
10. the intervertebral foramina reaming tool during the intervertebral spinal fusion approach is performed the operation under a kind of spinal column scope according to claim 1, it is characterized in that: it is blunt nosed that the head end of described bone drill hollow cylinder is provided with oblique arc.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310014298.7A CN103054623B (en) | 2013-01-15 | 2013-01-15 | Foramen reaming tool used during transforaminal approach surgery under spinal endoscope |
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| CN201310014298.7A CN103054623B (en) | 2013-01-15 | 2013-01-15 | Foramen reaming tool used during transforaminal approach surgery under spinal endoscope |
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| CN103054623B CN103054623B (en) | 2015-03-11 |
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Cited By (3)
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| CN107049419A (en) * | 2017-05-11 | 2017-08-18 | 山东大学 | A kind of Pediculus arcus vertebrae drilling device and method with force feedback |
| CN108742869A (en) * | 2018-07-03 | 2018-11-06 | 杭州埃杜医疗科技有限公司 | A kind of shoulder joint prosthesis instrument packet |
| CN113317841A (en) * | 2021-05-08 | 2021-08-31 | 青岛大学附属医院 | Telescopic reducing bone drill for intervertebral foramen forming |
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| CN113317841A (en) * | 2021-05-08 | 2021-08-31 | 青岛大学附属医院 | Telescopic reducing bone drill for intervertebral foramen forming |
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| CN103054623B (en) | 2015-03-11 |
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