CN107041773A - Pedicle of vertebral arch cropper - Google Patents
Pedicle of vertebral arch cropper Download PDFInfo
- Publication number
- CN107041773A CN107041773A CN201710254393.2A CN201710254393A CN107041773A CN 107041773 A CN107041773 A CN 107041773A CN 201710254393 A CN201710254393 A CN 201710254393A CN 107041773 A CN107041773 A CN 107041773A
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- China
- Prior art keywords
- cutter
- sleeve pipe
- catch bar
- pedicle
- groove
- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1657—Bone breaking devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
- A61B17/1671—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the spine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
-
- 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
- A61B2017/564—Methods for bone or joint treatment
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides a kind of pedicle of vertebral arch cropper, cutter, sleeve pipe and catch bar are included；The catch bar and sleeve pipe nested encryptions；Catch bar can slide axially along sleeve pipe in sleeve pipe；Catch bar can drive cutter to stretch out sleeve pipe；Described sleeve pipe and/or catch bar can drive cutter circumferentially synchronous axial system.The present invention can be by the propulsion and extraction of the catch bar, adjust the extension elongation of cutter, it can prevent cutter from hurting its internal hetero-organization before operative site is sent to, Cutting Length can be adjusted according to the shape of cross section of pedicle of vertebral arch again, mitigate the injury to pedicle of vertebral arch table side cortex.
Description
Technical field
The present invention relates to a kind of medical surgery apparatus, in particular it relates to which a kind of pedicle of vertebral arch cropper, especially one kind is used for
The surgery cuts equipment that pedicle of vertebral arch is blocked.
Background technology
Pedicle of vertebral arch is a part for vertebral arch, arises from centrum upper back, short and thick, rearward projection vertical with centrum direction,
It is merged with centrum, articular process and vertebral plate, pedicle of vertebral arch is the part for constituting intervertebral foramen, its top has one shallower to cut
Mark constitutes the upper wall for having a deeper pedicle of vertebral arch inferior thyroid notch to constitute intervertebral foramen below the lower wall of intervertebral foramen, pedicle of vertebral arch.For backbone
Excision or tumour are struck off in the surgical intervention of tumour, normal luggage, but generally early stage recurs after surgery.In order to improve most possibly
The local cure rate and the survival rate of patient of tumor of spine, the wide excision or edge for involving how to realize tumor of spine are cut
Remove.Wherein, the art of blocking of pedicle of vertebral arch lacks corresponding apparatus, and often directly pedicle of vertebral arch progress is bypassed using scroll saw in conventional operation
Cutting, still, because width spaces are more narrow in surgical procedure, the left and right section of scroll saw is based on being in parallel position so that cut
Cut resistance to sharply increase, doctor carrys out moving-wire saw difficulty, and scroll saw is easily stuck among pedicle of vertebral arch, causes operating time difficult with operation
Degree increase.Also have the sawed-off method of pedicle of vertebral arch using pedicle of vertebral arch saw blade, but the inadequate shortcoming of prior art existence and stability, hand
The shake on axially or radially, the careless slightly nerve and blood vessel that will be injured around pedicle of vertebral arch easily occur for cutter during art
Tissue, and can not be adjusted according to the shape of cross section of pedicle of vertebral arch ellipse, larger is destroyed to pedicle of vertebral arch lateral cortex；Separately
Outside, a cutter, inefficiency can only be once used in operation.
The content of the invention
For defect of the prior art, it is an object of the invention to provide a kind of pedicle of vertebral arch cropper.
A kind of pedicle of vertebral arch cropper provided according to the present invention, includes cutter, sleeve pipe and catch bar；The catch bar with
Sleeve pipe nested encryptions；Catch bar can slide axially along sleeve pipe in sleeve pipe；Catch bar can drive cutter to stretch out sleeve pipe；It is described
Sleeve pipe and/or catch bar can drive cutter circumferentially synchronous axial system.
Preferably, the cutter can switch between harvesting state and thorn do well both states；When in harvesting
During state, cutter is integrally located inside pipe casing；When being done well in thorn, cutter distal end is located at jacket exterior.
Preferably, it is provided with least one groove in the catch bar；The groove bottom surface is oblique relative to sleeve pipe axial direction
Face；Distal end of the groove along sleeve pipe axial direction extends to catch bar outer wall；The near-end of the cutter at least the thorn do well it is lower with
Groove bottom surface is contacted；The near-end of the cutter can be slided along groove bottom surface.
Preferably, including multiple grooves, the respective cutter of each groove correspondence；There is length in the multiple groove not
Consistent groove.
Preferably, groove radial direction tendency line direction is consistent with corresponding cutter placement direction.
Preferably, including two grooves and two cutters；Described two grooves are respectively elongated slot, short groove；Described two knives
Tool is respectively perpendicular to the axial long blade of sleeve, shortened cutting blade；Elongated slot can drive long blade to stretch out sleeve pipe；Short groove can drive
Shortened cutting blade stretches out sleeve pipe；Elongated slot is opened in the diameter path of catch bar；Short groove is opened in the radius path of catch bar；In thorn
Do well, long blade is perpendicular to shortened cutting blade；The length of long blade is less than or is slightly less than the internal diameter of sleeve, and more than sleeve outer diameter
Half；The length of shortened cutting blade is less than or is slightly less than the half of sleeve diameter；Near-end equal position of described two grooves along sleeve pipe axial direction
In the side of catch bar.
Preferably, in addition to elastic component, elastic component is connected between cutter tail end and sleeve lining, and elastic component is in reduction
During state, cutter is in the harvesting state；Cutter in thorn do well when, elastic component be in compressive state.
Preferably, described sleeve pipe is provided with guider；The guide direction of the guider is set by sleeve pipe radial direction
Put；The cutter can carry out the conversion between described two states along guider.
Preferably, the groove inner space is triangular prism shaped.
Preferably, the catch bar outer wall is provided with multiple guide grooves, and internal surface of sleeve pipe is provided with the raised line matched with guide groove；Lead
It can be slided to groove with raised line along conduit axis direction is relative.
Compared with prior art, the present invention has following beneficial effect：
1st, the present invention by the propulsion and extraction of the catch bar, can adjust the extension elongation of cutter, can prevent knife
Tool hurts its hetero-organization in vivo before operative site is sent to, and can adjust Cutting Length according to the shape of cross section of pedicle of vertebral arch again,
Mitigate the injury to pedicle of vertebral arch table side cortex.
2nd, the present invention allows disposable multiple cutting tools in operation, improves procedure efficiency.
3rd, the present invention is provided with guider and elastic component for cutter, can effectively reduce the axle of cutter in surgical procedure
To the vibration with radial direction.
4th, the groove bottom surface that the present invention is designed is smooth inclined-plane, can adjust to stable and continuous the extension elongation of cutter.
5th, the present invention is simple in construction, rationally distributed, disclosure satisfy that the demand of operation minimally invasiveization.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the main view profile of invention；
Fig. 2 is the top view of invention catch bar；
Fig. 3 is invention catch bar A-A profiles；
Fig. 4 is invention catch bar B-B profiles；
Fig. 5 is cutting zone schematic diagram.
Shown in figure：
Sleeve 1
Cutter 2
Cutter near-end 201
Long blade 202
Shortened cutting blade 203
Catch bar 3
Guider 11
Elastic component 21
Groove 31
Groove bottom surface 310
Elongated slot 311
Short groove 312
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that to the ordinary skill of this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
In the present embodiment, the pedicle of vertebral arch cropper that the present invention is provided includes cutter, sleeve and catch bar.The catch bar
With described sleeve pipe nested encryptions, catch bar can slide axially along sleeve pipe in sleeve pipe.Groove, at least one are provided with catch bar
The individual groove bottom surface is to extend to catch bar outer wall relative to the inclined-plane of sleeve pipe axial direction, and along the distal end of sleeve pipe axial direction.It is described
Cutter can stretch out sleeve pipe；The near-end of cutter can be contacted with groove bottom surface, and can be slided along groove bottom surface.By promoting with pulling out
Go out catch bar, regulation cutter switches between harvesting state and thorn do well both states.When in the harvesting state,
Cutter is integrally located inside pipe casing；When being done well in the thorn, cutter distal end is located at jacket exterior.Sleeve pipe and/or promotion
Bar can drive cutter circumferentially synchronous axial system, so, and doctor can be by driving in near-end revoling tube or catch bar
Cutter circumgyration incision.
As shown in figure 1, correspondence is placed with cutter in groove, groove radial direction tendency line direction is kept with corresponding cutter placement direction
Unanimously.In preference, elastic component is also provided between cutter tail end and sleeve lining of the present invention, elastic component is in reducing condition
When, cutter is in the harvesting state；Cutter in thorn do well when, elastic component be in compressive state.The excellent of elastic component is set
Gesture is：Cutter does well in thorn when being operated, elastic component compression, produces the radial load towards catch bar to cutter, enters
And the radial displacement of cutter is limited, the radial vibration in the reduction course of work；After terminating, proximal direction is extracted and pushed away vertically
Lever, elastic component reduction, cutter recovers to harvesting state automatically, is easy to the taking-up of sleeve pipe.Due to spring have it is easy to process, easily
In acquisition, it is easily installed and dismantles, the present invention selects but is not limited to spring as elastic component.
The pedicle of vertebral arch cropper that the present invention is provided also includes guider, and the guide direction of guider presses sleeve pipe radial direction side
To setting, cutter can carry out the conversion between described two states along guider.Set guider cutter can be allowed to transport
Dynamic direction is more precisely reliable.Preferably, guider is fixed on sleeve pipe, can only be covered between guider and cutter
The relative motion of pipe in the radial direction, this preferred scheme enables cutter, sleeve and catch bar synchronous axial system in the circumferential, right
The selection of driving part is more flexible.In addition, guider can also only limit the motion in tool axis direction, cutter being capable of phase
The rotation of certain angle is circumferentially carried out to sleeve pipe；Even, guider inherently can facing sleeve moved.
As shown in Figure 2, Figure 3, Figure 4, in preference, catch bar includes elongated slot, two grooves of short groove, and rimmer knife is corresponded to respectively
Piece, shortened cutting blade.Described two groove radial direction tendency lines are mutually perpendicular to, and inner space is triangular prism shaped.Two cutters are perpendicular to set
Cylinder is axially placed；Elongated slot can drive long blade to stretch out sleeve pipe；Short groove can drive shortened cutting blade to stretch out sleeve pipe；Elongated slot, which is opened in, to be pushed away
In the diameter path of lever；Short groove is opened in the radius path of catch bar；Done well in thorn, long blade is perpendicular to shortened cutting blade；
The length of long blade is less than or is slightly less than the internal diameter of sleeve, and more than the half of sleeve outer diameter；The length of shortened cutting blade is less than or omited
Less than the half of sleeve diameter；Near-end of described two grooves along sleeve pipe axial direction is respectively positioned on the side of catch bar.
The invention is not restricted to above-mentioned groove structure, 1,3,4 even more grooves, groove length are can also be
Can be with equal, radial direction tendency line can be with out of plumb, and groove inner space can also be pie or other shapes.But it is right with preferential example
Than preferential example concrete structure is simple, and the advantage of efficiency high, can adapt to multiple section blocks work.
It is further preferred that catch bar outer wall is provided with multiple guide grooves, internal surface of sleeve pipe is provided with the raised line matched with guide groove；
Guide groove can be slided with raised line along conduit axis direction is relative.The structure results in following effect：Cutter, sleeve pipe and
Catch bar is synchronized when circumferentially rotating, and cutter is not subject to or born the moment of torsion of very little, tool life；Pushed away in assembling
When lever and sleeve, auxiliary carries out angle positioning, it is ensured that groove radial direction tendency line direction and cutter placement direction are protected on catch bar
Hold consistent.
Operation principle：
In the present embodiment, the pedicle of vertebral arch cropper that the present invention is provided includes cutter, sleeve and catch bar.Sleeve is included and led
To device and raised line, guider runs through sleeve wall, and raised line is arranged on sleeve lining, extended in the axial direction.Wrapped on catch bar
Containing elongated slot, two grooves of short groove, elongated slot is opened in the diameter path of catch bar, and short groove is opened in the radius path of catch bar
On, two groove radial direction tendency lines are mutually perpendicular to, and groove inner space is triangular prism shaped, near-end equal position of the groove along sleeve pipe axial direction
In the side of catch bar；In addition, catch bar outer wall is provided with multiple guide grooves, match with the raised line on sleeve.Cutter includes length
Blade, shortened cutting blade, and it is corresponding with the elongated slot on catch bar, short groove, and the length of long blade is less than or is slightly less than the internal diameter of sleeve, and
More than the half of sleeve outer diameter, the length of shortened cutting blade is less than or is slightly less than the half of sleeve diameter；Cutter tail end and sleeve lining
Between be provided with elastic component.
First, tunnel is opened up along pedicle of vertebral arch axial direction, so that the pedicle of vertebral arch cropper for providing the present invention inserts tunnel,
So that cutter reaches cutting position.
Before use, being assembled to the present invention：Cutter is put into ad-hoc location in sleeve first, under this position, cutter
In the harvesting state for being integrally located inside pipe casing, cutter is placed along sleeve pipe radial direction, and with guider guide direction one
Cause, the elastic component between cutter tail end and sleeve lining is in reducing condition；Then it is catch bar is embedding by proximate direction
Set is put into sleeve pipe, and catch bar outer wall guide groove is matched one by one with sleeve lining raised line, elongated slot, short groove and rimmer knife on catch bar
Piece, shortened cutting blade are also each corresponded to, and cutter near-end is contacted with groove bottom surface, and can be slided along groove bottom surface.
After the completion of assembling, the pedicle of vertebral arch cropper that the present invention is provided should ensure that cutter during delivering to operative site
In harvesting state, prevent from injuring its hetero-organization.After target location is reached, catch bar is promoted axially towards distal end, cutter
Near-end produces relative slip with groove bottom surface, and cutter does the motion of sleeve pipe in the radial direction along guider, and cutter distal end is reached
Jacket exterior.Now driving catch bar or sleeve are rotated, and band cutter is cut to pedicle of vertebral arch.Make cutter relative to
Initial position is cut for the first time along clockwise realized with 45 degree of cutting counterclockwise respectively, and then, extracting catch bar makes cutter in bullet
Property part in the presence of it is automatic recover to harvesting state, then the pedicle of vertebral arch cropper integral circumferential that the present invention is provided rotates 180 degree,
Repeat foregoing cutting operation, even cutter relative to initial position respectively along clockwise with 45 degree, realization are respectively cut counterclockwise
Second of cutting, then.After pedicle of vertebral arch is blocked, cutter is adjusted to harvesting state, then the pedicle of vertebral arch cropper is integrally taken
Go out.
As shown in figure 5, pedicle of vertebral arch section is divided into tetra- regions of I, II, III, IV by two chain-dotted lines.Cut in first time
In, the initial position of cutter is located in figure at heavy line, and long blade completes sector region I cutting, and shortened cutting blade completes fan section
Domain II cutting.In second is cut, the initial position of cutter is located in figure at dotted line, and long blade completes sector region III
Cutting, shortened cutting blade completes sector region IV cutting.
Guider carries out the fixation of axial direction to cutter, and due to elastic component compression, radial direction side is produced to cutter
To the limitation of motion, the amplitude of the vibration of cutter in surgical procedure is greatly reduced, operation accuracy is improved.By promoting and pulling out
Go out catch bar, Line Continuity regulation can be entered to the extension elongation of cutter.In addition, the present invention allows to make in surgical procedure simultaneously
With long blade, two cutters of shortened cutting blade, procedure efficiency can not only be improved, additionally it is possible to be targetedly class ellipse to cross section
The pedicle of vertebral arch of shape is cut, and mitigates the injury to surface cortex.
Preferably, sleeve pipe, on catch bar without raised line, guide groove structure, circumferential slip can be produced during nested encryptions；And knife
Tool can carry out circumferential direction along the guider and move certain angle, or cutter can be with guider together circumferentially
Move certain angle in direction.In this embodiment, in cutting process, catch bar driving cutter circumferentially synchronous axial system, and sleeve
Keep circumferential static, can equally reach the effect for blocking pedicle of vertebral arch.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (10)
1. a kind of pedicle of vertebral arch cropper, it is characterised in that include cutter, sleeve pipe and catch bar；
The catch bar and sleeve pipe nested encryptions；Catch bar can slide axially along sleeve pipe in sleeve pipe；
Catch bar can drive cutter to stretch out sleeve pipe；
Described sleeve pipe and/or catch bar can drive cutter circumferentially synchronous axial system.
2. pedicle of vertebral arch cropper according to claim 1, it is characterised in that the cutter can be in harvesting state with piercing out
Switch between both states of state；
When in harvesting state, cutter is integrally located inside pipe casing；
When being done well in thorn, cutter distal end is located at jacket exterior.
3. pedicle of vertebral arch cropper according to claim 2, it is characterised in that at least one groove is provided with the catch bar
Ditch；
The groove bottom surface is relative to the inclined-plane of sleeve pipe axial direction；
Distal end of the groove along sleeve pipe axial direction extends to catch bar outer wall；
The near-end of the cutter is at least contacted in the case where the thorn does well with groove bottom surface；
The near-end of the cutter can be slided along groove bottom surface.
4. pedicle of vertebral arch cropper according to claim 3, it is characterised in that including multiple grooves, each groove correspondence
Respective cutter；
There is the groove of cause different in size in the multiple groove.
5. pedicle of vertebral arch cropper according to claim 3, it is characterised in that groove radial direction tendency line direction and corresponding cutter
Placement direction is consistent.
6. pedicle of vertebral arch cropper according to claim 3, it is characterised in that including two grooves and two cutters；
Described two grooves are respectively elongated slot, short groove；Described two cutters are respectively perpendicular to the axial long blade of sleeve, short sword
Piece；
Elongated slot can drive long blade to stretch out sleeve pipe；
Short groove can drive shortened cutting blade to stretch out sleeve pipe；
Elongated slot is opened in the diameter path of catch bar；
Short groove is opened in the radius path of catch bar；
Done well in thorn, long blade is perpendicular to shortened cutting blade；
The length of long blade is less than or is slightly less than the internal diameter of sleeve, and more than the half of sleeve outer diameter；
The length of shortened cutting blade is less than or is slightly less than the half of sleeve diameter；
Near-end of described two grooves along sleeve pipe axial direction is respectively positioned on the side of catch bar.
7. pedicle of vertebral arch cropper according to claim 2, it is characterised in that also including elastic component, elastic component is connected to knife
Have between tail end and sleeve lining, when elastic component is in reducing condition, cutter is in the harvesting state；Cutter is in and pierces out shape
During state, elastic component is in compressive state.
8. pedicle of vertebral arch cropper according to claim 2, it is characterised in that described sleeve pipe is provided with guider；
The guide direction of the guider is set by sleeve pipe radial direction；
The cutter can carry out the conversion between described two states along guider.
9. pedicle of vertebral arch cropper according to claim 3, it is characterised in that the groove inner space is triangular prism shaped.
10. pedicle of vertebral arch cropper according to claim 1, it is characterised in that the catch bar outer wall is oriented to provided with multiple
Groove, internal surface of sleeve pipe is provided with the raised line matched with guide groove；Guide groove can be slided with raised line along conduit axis direction is relative.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710254393.2A CN107041773B (en) | 2017-04-18 | 2017-04-18 | Pedicle of vertebral arch cropper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710254393.2A CN107041773B (en) | 2017-04-18 | 2017-04-18 | Pedicle of vertebral arch cropper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107041773A true CN107041773A (en) | 2017-08-15 |
| CN107041773B CN107041773B (en) | 2019-08-16 |
Family
ID=59545756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710254393.2A Active CN107041773B (en) | 2017-04-18 | 2017-04-18 | Pedicle of vertebral arch cropper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107041773B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111821017A (en) * | 2019-07-22 | 2020-10-27 | 南阳市中心医院 | Microwave therapeutic device for uterine cavity |
| CN112494108A (en) * | 2020-11-27 | 2021-03-16 | 中国人民解放军总医院第五医学中心 | A cleaning device for radiotherapy arouses mucous membrane reaction |
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| US20120271357A1 (en) * | 2011-04-21 | 2012-10-25 | Warsaw Orthopedic, Inc. | Tools and methods for the preparation of the facet joint |
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| DE102014214404B3 (en) * | 2014-07-23 | 2015-08-27 | Eberle Gmbh & Co. Kg | Medical instrument for the removal of cancellous bone |
| CN205094549U (en) * | 2015-11-06 | 2016-03-23 | 长沙亚韩医学美容医院有限公司 | Multi -functional scalpel is used in cosmetology |
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|---|---|---|---|---|
| US20030004517A1 (en) * | 2000-09-11 | 2003-01-02 | Anderson D. Greg | Percutaneous technique and implant for expanding the spinal canal |
| US20120271357A1 (en) * | 2011-04-21 | 2012-10-25 | Warsaw Orthopedic, Inc. | Tools and methods for the preparation of the facet joint |
| CN102846349A (en) * | 2012-09-29 | 2013-01-02 | 苏州博习医疗科技有限公司 | Minimally invasive spinal canal dilatation cutting tool |
| DE102014214404B3 (en) * | 2014-07-23 | 2015-08-27 | Eberle Gmbh & Co. Kg | Medical instrument for the removal of cancellous bone |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111821017A (en) * | 2019-07-22 | 2020-10-27 | 南阳市中心医院 | Microwave therapeutic device for uterine cavity |
| CN111821018A (en) * | 2019-07-22 | 2020-10-27 | 南阳市中心医院 | Microwave treatment equipment for uterine cavity of obstetrical department |
| CN111821018B (en) * | 2019-07-22 | 2022-11-11 | 合肥源康信息科技有限公司 | Microwave treatment equipment for uterine cavity of obstetrical department |
| CN111821017B (en) * | 2019-07-22 | 2022-11-11 | 合肥源康信息科技有限公司 | Microwave therapeutic device for uterine cavity for obstetrical department |
| CN112494108A (en) * | 2020-11-27 | 2021-03-16 | 中国人民解放军总医院第五医学中心 | A cleaning device for radiotherapy arouses mucous membrane reaction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107041773B (en) | 2019-08-16 |
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