CN203042366U - Intervertebral foramen broadening tool for intervertebral foramen approach operations under spine endoscope - Google Patents
Intervertebral foramen broadening tool for intervertebral foramen approach operations under spine endoscope Download PDFInfo
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- CN203042366U CN203042366U CN 201320020331 CN201320020331U CN203042366U CN 203042366 U CN203042366 U CN 203042366U CN 201320020331 CN201320020331 CN 201320020331 CN 201320020331 U CN201320020331 U CN 201320020331U CN 203042366 U CN203042366 U CN 203042366U
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Abstract
The utility model discloses an intervertebral foramen broadening tool for intervertebral foramen approach operations under a spine endoscope. The intervertebral foramen broadening 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 portion, a rotating handle and an awl head, wherein the rotating handle is arranged at the tail end of the bone awl rod portion in a linkage mode, and the awl head is fixedly arranged at the head end of the bone awl rod portion. The bone awls comprise a first bone awl, and the awl head of the first bone awl is in a triangular pyramid shape. Each bone drill comprises a bone drill rod portion, a rotating handle and a drill head, wherein the rotating handle is arranged at the tail end of the bone drill rod portion in a linkage mode, and the drill head is fixedly arranged at the head end of the bone drill rod portion. A through thread hole is formed in the axle center of each bone drill. The plurality of bone drills at least comprise a first bone drill and a big-diameter bone drill, and the outer diameters of the first bone drill and the big-diameter bone drill are from small to big. The intervertebral foramen broadening tool has the advantages of being reasonable in design, improving operation safety, and the like.
Description
Technical field
This utility model relates to medical surgical instrument, specifically refers to the intervertebral foramina reaming tool in the operation of intervertebral spinal fusion approach under a kind of spinal column scope.
Background technology
Outstanding disease (pressuring nerve behind the intervertebral disk hernia between lumbar vertebra, pressuring nerve be disc tissue, be soft tissue), (hyperosteogeny causes that the narrow relatively 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 the patient for a long time.Present Therapeutic Method mostly adopts open surgery, i.e. lumbar vertebral posterior operation, cut skin, peel off muscle, excision lumbar vertebra vertebral plate, with the outstanding disc tissue of pressuring nerve or the osseous tissue excision of hypertrophy (operation decompression), its operation wound is big, 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 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 be close to superior articular process's wall, insert seal wire then, use then 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 undergos surgery and operates, insert the work sleeve then, then insert the spinal column scope in the work sleeve, the excision of the bone sex organization of the excision of outstanding intervertebral disc and hypertrophy is carried out in direct-view down.
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 line perspective 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 as neural, blood vessel, and bring 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 purpose of this utility model is in order to overcome the shortcoming and defect that prior art exists, 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, the technical solution of the utility model is to include at least one bone awl, at least one bone awl protection sleeve, a plurality of bone drill and at least one bone drill protection sleeve;
Described each root bone awl includes by bone awl bar portion, interlock and is arranged at the turning handle of bone awl bar portion tail end and the conehead that is fixedly set in bone awl bar size end, includes first bone awl in the described bone awl, and the conehead of this first bone awl is the rhizoma sparganic taper;
Described bone awl protection sleeve comprises bone awl hollow cylinder and is fixedly set in the bone awl protection sleeve hand part of bone awl hollow cylinder upper end that bone awl protection sleeve inner shaft is to being provided with the bone taper via-hole that bone awl fairlead is joined;
Described each root bone drill has included bone drill bar portion, interlock is arranged at the turning handle of bone drill bar portion tail end, and the drill bit that is fixedly set in 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 big bone drill and big footpath bone drill, the drill bit of described first bone drill comprises the positioning pluging rod that is positioned at axial top, adjoining in the blunt ring portion of first taper of positioning pluging rod tail end, and adjoining in the first one-way spiral drill lip portion of the blunt ring portion tail end of first taper, the external diameter of described positioning pluging rod is close with the conehead external diameter of bone awl and cooperates; The drill bit of described big footpath bone drill includes the blunt ring portion of big footpath taper that is positioned at axial top and adjoining in the big footpath of the blunt ring portion tail end of big footpath taper one-way spiral drill lip portion;
The bone drill protection sleeve that described bone drill protection sleeve comprises the bone drill hollow cylinder and is fixedly set in bone drill hollow cylinder upper end is affectedly bashful portion, and bone drill protection sleeve inner shaft is to being provided with the bone drill through hole that the bone drill fairlead is joined.
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 first bone awl to leave the hole, hole in patient superior articular process position, insert first bone drill then, being located inserted link navigates in the hole, hole, carry out first order perforate, and then insert big footpath bone drill and enlarge perforate step by step, 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 the mode perforate step by step, 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 earlier, and then from thread eye position insertion bone drill, withdraw from seal wire again, make that the each insertion of bone drill is all accurately reliable, this seal wire is the Metallic rod that has toughness, is the common tool of intervertebral spinal fusion approach operation under the existing spinal column scope.
Further arranging is that described bone awl also includes second bone awl, and the conehead of this second bone awl is the spiral awl that has one-way spiral awl sword.By this setting, can bore the hole of leaving, hole to first bone and suitably enlarge, make the doctor perform the operation and control the strength of bone awl more steadily with accurate.
Further arranging is that described bone awl also includes the bone awl of removing obstacles, and this conehead of removing obstacles the bone awl is the hemisphere shape.By this setting, push first bone awl or second bone awl 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 footpath bone drill among outside diameter at least one between first bone drill and big footpath bone drill, and drill bit of footpath bone drill comprises the blunt ring portion of footpath taper that is arranged in axial top and adjoining in the footpath of the blunt ring portion tail end of footpath taper one-way spiral drill lip portion in this.By this setting, utilize and should carry out the expansion of perforate step by step by middle directly bone drill, make the doctor perform the operation and control the strength of bone awl more steadily with accurate.
Further arranging is also to include bone drill bar portion locking piece, be provided with the distance scale line in the bone drill bar portion of described each root bone drill, described bone drill bar portion locking piece includes the anchor ear ring adaptive with bone drill bar portion anchor ear, this anchor ear ring is provided with bone drill bar portion and embeds 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 line perspective in the art degree of depth of perforate is calculated, and the bone drill bar portion 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 set in 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 awl 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 type 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 first bone awl is offered the hole, hole, can utilize little hammer to knock the face that knocks of this turning handle, the triangular pyramid conehead of first bone awl 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 awl protection sleeve locking piece, this bone awl protection sleeve locking piece includes the fixedly connected last locking piece of mutual screw thread and following locking piece, the center that should go up 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 described center of locking piece down is provided with the lower through-hole corresponding with last through hole, and the inboard periphery projection of lower through-hole relatively 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 following locking piece in the utilization; make to embrace the compressing constantly of lobe cover and embrace a lobe and do and hold action tightly, and then bone is bored protective sleeve locking, make the bone awl when operation; when the doctor arrests bone awl protective sleeve and rotates the bone awl, 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 utlity model has reasonable in designly, and improve the advantages such as safety performed the operation.
Below in conjunction with specification drawings and specific embodiments this utility model is done further introduction.
Description of drawings
The structural representation of Fig. 1 this utility model embodiment bone awl;
The structural representation of Fig. 2 this utility model embodiment bone drill;
Fig. 3 is the I portion enlarged drawing of Fig. 2;
Fig. 4 this utility model embodiment first bone awl and turning handle, bone awl protection sleeve and bone awl 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 this utility model embodiment bone awl protection sleeve locking piece;
The STRUCTURE DECOMPOSITION axonometric chart 2 of Fig. 7 this utility model embodiment bone awl protection sleeve locking piece;
The sketch map that cooperates of footpath bone drill and turning handle, bone drill protection sleeve and bone drill protection sleeve among Fig. 8 this utility model embodiment;
Fig. 9 is the exploded view of Fig. 7;
Figure 10 is the II portion enlarged drawing of Fig. 8.
Figure 11 this utility model embodiment turning handle axonometric chart 1;
Figure 12 this utility model embodiment turning handle axonometric chart 2.
The specific embodiment
Carry out concrete description below by this utility model of embodiment; only be used for this utility model is further specified; can not be interpreted as the restriction to this utility model protection domain, the technician in this field can make some nonessential improvement and adjustment to this utility model according to the content of above-mentioned utility model.
The specific embodiment of the present utility model shown in Fig. 1-12 includes 1, bone awl of 3 bone awls protection sleeve 3,4 bone drills 4 and a bone drill protection sleeve 5;
Described each root bone awl includes by bone awl bar portion 14, interlock and is arranged at the turning handle 2 of bone awl bar portion tail end and the conehead that is fixedly set in bone awl bar size end, include first bone awl 11 in the described bone awl, the conehead of this first bone awl 11 is rhizoma sparganic taper 111; Described bone awl also includes second bone awl 12, and the conehead of this second bone awl is the spiral awl 121 that has one-way spiral awl sword, and described bone awl also includes the bone awl 13 of removing obstacles, and this conehead of removing obstacles the bone awl is hemisphere shape 131.The external diameter of the conehead of this first bone awl, 11, second bone awl 12 of present embodiment and the bone awl 13 of removing obstacles is preferably 2.5mm, 3.0mm, 2.5mm.
In addition, the described bone awl of present embodiment protection sleeve 3 comprises bone awl hollow cylinder 31 and is fixedly set in the bone awl protection sleeve hand part 32 of bone awl hollow cylinder upper end that bone awl protection sleeve inner shaft is to being provided with the bone taper via-hole 33 that bone awl fairlead is joined; This bone awl protection sleeve 3 is set when carrying out bone awl rotation operation, the doctor is affectedly bashful this bone awl protection sleeve 3, rotates the bone awl, rotating has an effect control stable more and freely.
In addition, described each root bone drill has included bone drill bar portion 45, interlock is arranged at the turning handle 2 of bone drill bar portion tail end, and the drill bit that is fixedly set in 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 big bone drill 41 and big footpath bone drill 44, the drill bit of described first bone drill 41 comprises the positioning pluging rod 411 that is positioned at axial top, the blunt ring portion 412 of adjoining first taper in the positioning pluging rod tail end, and adjoining in the first one-way spiral drill lip portion 413 of blunt ring portion 412 tail ends of first taper, the external diameter of described positioning pluging rod 411 is close with the conehead external diameter of first bone awl, 11 or second bone awl 12 and cooperates; The drill bit of described big footpath bone drill 44 includes the blunt ring portion 441 of the big footpath taper that is positioned at axial top and adjoining in the big footpath of the blunt ring portion tail end of big footpath taper one-way spiral drill lip portion 442; In addition, bone drill also includes outside diameter footpath bone drill 42 in first bone drill and big directly 2 between the bone drill, in these two the rotary head external diameter of footpath bone drill have little of big, and should in the structure of drill bit of footpath bone drill be and comprise the blunt ring portion 421 of the footpath taper that is arranged in axial top and adjoining in the footpath of the blunt ring portion tail end of footpath taper one-way spiral drill lip portion 422.The outside diameter of footpath bone awl 42 and big footpath bone drill 44 is preferably 4mm, 6mm, 7mm, 8mm respectively in this first bone drill 41 of present embodiment, two.
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 set in bone drill hollow cylinder upper end is affectedly bashful portion 52, and bone drill protection sleeve inner shaft is to being provided with the bone drill through hole 53 that the bone drill fairlead is joined.
In order to make the drilling depth of bone drill precisely controlled, present embodiment also includes bone drill bar portion locking piece 6, be provided with distance scale line 47 in the bone drill bar portion of described each root bone drill, described bone drill bar portion locking piece 6 includes the anchor ear ring 61 adaptive with bone drill bar portion anchor ear, this anchor ear ring 61 is provided with bone drill bar portion and embeds 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 awl 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 set in the stressed handle 22 of rotation of axial shaft bar upper end, the center is provided with the handle seal wire perforation 211 of axial perforation in the described axial shaft bar 21, 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 type 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 awl protection sleeve locking piece 7, this bone awl protection sleeve locking piece 7 includes the fixedly connected last locking piece of mutual screw thread 71 and following locking piece 72, the center that should go up 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 described center of locking piece 72 down is provided with the lower through-hole corresponding with last through hole 721, the inboard periphery projection of lower through-hole relatively 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 awl, at least one bone awl protection sleeve, a plurality of bone drill and at least one bone drill protection sleeve;
Described each root bone awl includes by bone awl bar portion, interlock and is arranged at the turning handle of bone awl bar portion tail end and the conehead that is fixedly set in bone awl bar size end, includes first bone awl in the described bone awl, and the conehead of this first bone awl is the rhizoma sparganic taper;
Described bone awl protection sleeve comprises bone awl hollow cylinder and is fixedly set in the bone awl protection sleeve hand part of bone awl hollow cylinder upper end that bone awl protection sleeve inner shaft is to being provided with the bone taper via-hole that bone awl fairlead is joined;
Described each root bone drill has included bone drill bar portion, interlock is arranged at the turning handle of bone drill bar portion tail end, and the drill bit that is fixedly set in 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 big bone drill and big footpath bone drill, the drill bit of described first bone drill comprises the positioning pluging rod that is positioned at axial top, adjoining in the blunt ring portion of first taper of positioning pluging rod tail end, and adjoining in the first one-way spiral drill lip portion of the blunt ring portion tail end of first taper, the external diameter of described positioning pluging rod is close with the conehead external diameter of bone awl and cooperates; The drill bit of described big footpath bone drill includes the blunt ring portion of big footpath taper that is positioned at axial top and adjoining in the big footpath of the blunt ring portion tail end of big footpath taper one-way spiral drill lip portion;
The bone drill protection sleeve that described bone drill protection sleeve comprises the bone drill hollow cylinder and is fixedly set in bone drill hollow cylinder upper end is affectedly bashful portion, and bone drill protection sleeve inner shaft is to being provided with the bone drill through hole that the bone drill fairlead is joined.
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 awl also includes second bone awl, and the conehead of this second bone awl is that the spiral that has one-way spiral awl sword is bored.
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 awl also includes the bone awl of removing obstacles, and this conehead of removing obstacles bone awl 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 footpath bone drill among outside diameter at least one between first bone drill and big footpath bone drill, and drill bit of footpath bone drill comprises the blunt ring portion of footpath taper that is arranged in axial top and adjoining in the footpath of the blunt ring portion tail end of footpath taper one-way spiral drill lip portion in this.
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 portion locking piece, be provided with the distance scale line in the bone drill bar portion of described each root bone drill, described bone drill bar portion locking piece includes the anchor ear ring adaptive with bone drill bar portion anchor ear, this anchor ear ring is provided with bone drill bar portion and embeds 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 awl and each root bone drill is provided with the interlock plug, described turning handle includes the axial shaft bar and is fixedly set in 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 type 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 awl protection sleeve locking piece, this bone awl protection sleeve locking piece includes the fixedly connected last locking piece of mutual screw thread and following locking piece, the center that should go up 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 described center of locking piece down is provided with the lower through-hole corresponding with last through hole, and the inboard periphery projection of lower through-hole relatively 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320020331 CN203042366U (en) | 2013-01-15 | 2013-01-15 | Intervertebral foramen broadening tool for intervertebral foramen approach operations under spine endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320020331 CN203042366U (en) | 2013-01-15 | 2013-01-15 | Intervertebral foramen broadening tool for intervertebral foramen approach operations under spine endoscope |
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| Publication Number | Publication Date |
|---|---|
| CN203042366U true CN203042366U (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320020331 Withdrawn - After Issue CN203042366U (en) | 2013-01-15 | 2013-01-15 | Intervertebral foramen broadening tool for intervertebral foramen approach operations under spine endoscope |
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| CN (1) | CN203042366U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103054623A (en) * | 2013-01-15 | 2013-04-24 | 温州医学院附属第一医院 | Foramen reaming tool used during transforaminal approach surgery under spinal endoscope |
| CN104287811A (en) * | 2013-07-17 | 2015-01-21 | 心诺普医疗技术（北京）有限公司 | Pericardium puncture needle assembly |
| CN111839655A (en) * | 2020-07-24 | 2020-10-30 | 中南大学湘雅医院 | Multistage guiding and positioning type electric bone drill |
-
2013
- 2013-01-15 CN CN 201320020331 patent/CN203042366U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103054623A (en) * | 2013-01-15 | 2013-04-24 | 温州医学院附属第一医院 | Foramen reaming tool used during transforaminal approach surgery under spinal endoscope |
| CN103054623B (en) * | 2013-01-15 | 2015-03-11 | 温州医学院附属第一医院 | Foramen reaming tool used during transforaminal approach surgery under spinal endoscope |
| CN104287811A (en) * | 2013-07-17 | 2015-01-21 | 心诺普医疗技术（北京）有限公司 | Pericardium puncture needle assembly |
| CN111839655A (en) * | 2020-07-24 | 2020-10-30 | 中南大学湘雅医院 | Multistage guiding and positioning type electric bone drill |
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Granted publication date: 20130710 Effective date of abandoning: 20150311 |
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