CN109223117A - A kind of medical spinal cord disconnecting device - Google Patents
A kind of medical spinal cord disconnecting device Download PDFInfo
- Publication number
- CN109223117A CN109223117A CN201810700170.9A CN201810700170A CN109223117A CN 109223117 A CN109223117 A CN 109223117A CN 201810700170 A CN201810700170 A CN 201810700170A CN 109223117 A CN109223117 A CN 109223117A
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- China
- Prior art keywords
- spinal cord
- scalpel
- recessed portion
- groove
- tool arm
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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
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
Abstract
The present invention provides a kind of medical spinal cord disconnecting devices, are related to a kind of medical spinal cord processing device.The medical spinal cord disconnecting device, comprising: scalpel is formed with the tool arm of C-shaped, and the blade of scalpel is formed in the recess of tool arm and is arranged along the circular arc of tool arm, and the side wall of spinal cord is placed in the recess of tool arm；And holding mechanism, include the first mechanism, is formed with the first recessed portion；Second mechanism, is formed with the second recessed portion, the second mechanism selectively with the first mechanism snaps or separate so that the first recessed portion and the second recessed portion are formed as poroid portion after fastening, spinal cord and tool arm are kept in poroid portion；And guide part, it is formed in the first mechanism or/and the second mechanism, scalpel is placed in guide part, guide part is used to that tool arm to be guided to be detached from from the transverse direction and maintaining part of spinal cord, and spinal cord is cut off.So that spinal cord by cross-section end face in good order, thus for subsequent spinal cord end syncretizing effect and spinal cord injury recovery provide very favorable guarantee.
Description
Technical field
The present invention relates to a kind of medical spinal cord processing devices, more particularly to a kind of medical spinal cord disconnecting device.
Background technique
In Patients of Spinal, all there is multi-segmental degeneration necrosis in the spinal cord of most of patients, this directly results in brain
The signal transduction that cortex issues can not cross over damage zone, therefore want healing spinal cord injury and just need to remove this section of lesion necrosis
Spinal cord, according to the correlative study of current medicine, the first sharp cross-section spinal cord of property, that is, spinal cord is cut off, remove lesion necrosis segment,
Two fresh surface of a wound of spinal cord end are merged with spinal fusion agent again, the conduction function of spinal cord can be restored, to make
Patient restores motor function.
Before spinal cord connects fusion again, the cross-section movement postoperative for spinal fusion of the sharp property of spinal cord and sensory function recovery have
Great influence.When the cross-section spinal cord of sharp property, the damage that spinal cord is subject to is smaller, and spinal cord has smaller axonal degeneration, postoperative function
Restore better.
But using the common sharp cross-section spinal cord of property of scalpel after, the end face after causing spinal cord transection is irregular, to drop
Low subsequent spinal cord end syncretizing effect, and influence spinal cord injury recovery.
Summary of the invention
It is aforementioned using common operation to solve it is an object of the present invention to provide a kind of medical spinal cord disconnecting device
After the sharp cross-section spinal cord of property of knife, the irregular problem in end face after causing spinal cord transection.
Another object of the present invention is to make medical spinal cord disconnecting device user at the narrow vertebra of human body
Just.
Particularly, the present invention provides a kind of medical spinal cord disconnecting devices, comprising:
Scalpel, is formed with the tool arm of C-shaped, and the blade of the scalpel is formed in the recess of the tool arm and along institute
The circular arc setting of tool arm is stated, the side wall of the spinal cord is placed in the recess of the tool arm；And
Holding mechanism includes
First mechanism is formed with the first recessed portion；
Second mechanism, is formed with the second recessed portion, second mechanism selectively with first mechanism snaps or point
From so that first recessed portion and second recessed portion are formed as poroid portion after fastening, the spinal cord and the tool arm are protected
It holds in the poroid portion；And
Guide part, is formed in first mechanism or/and second mechanism, the scalpel are placed in the guide part
In, the guide part is used to that the tool arm to be guided to be detached from from the transverse direction of the spinal cord and the maintaining part, and the spinal cord is cut
It is disconnected.
Further, first mechanism is plate and extends along its length direction, the cross section of first mechanism
In J-shaped, first recessed portion is the bending place of first mechanism；
Second mechanism is formed as long strip shape, U-shaped profile, and second recessed portion is second machine
The bending place of structure；
Wherein, the straight plate part of first mechanism is formed with positioning region, and the positioning region is connected to each other with second mechanism,
The positioning region is for precisely forming first recessed portion and second recessed portion for the poroid portion.
Further, the guide part is multiple, and is successively arranged in described first along the length direction of the spinal cord
Mechanism or/and second mechanism, the scalpel are optionally disposed in any one in multiple guide parts.
Further, the scalpel is multiple, and each scalpel is placed in the guide part.
Further, the guide part includes:
First groove is opened in the plate face where first recessed portion, and first groove is along first machine
The width direction of structure extended first recessed portion；And
Guide groove, the two sides plate face connection for being opened in second mechanism and keeping second mechanism opposite, the tool arm
The guide groove can be passed through；
Wherein, the scalpel is formed with knife bar, and one end of the knife bar is connect with the tool arm, the knife bar and described
Tool arm is received in first groove, and the other end of the knife bar is formed as the first holding part, is taken by operation described first
The portion of holding makes the blade of the scalpel be horizontally through the guide groove along the spinal cord, and the spinal cord is completely cut through.
Further, first groove is multiple and is successively in spacing arrangement along the length direction of first mechanism
At first recessed portion；
The guide groove is multiple and is successively in that spacing is arranged in described second along the length direction of second mechanism
At recessed portion；
Each first groove is oppositely arranged with a guide groove；
The length direction of first mechanism and second mechanism is consistent with the length direction of the spinal cord.
Further, one end of first groove is connected to the end of the straight plate part of first mechanism, the knife bar
The other end first mechanism is stretched out by one end of first groove and is formed as first holding part, the knife bar
The other end is reversed with one end.
Further, it is contained in the case where in first groove in the blade of the scalpel, the scalpel
The top curve sword side of blade is contained completely in first groove, to prevent the blade of the scalpel from scratching the ridge
Marrow.
Further, the positioning region is formed as the second groove and extends along the width direction of first mechanism；
Second mechanism is formed with connector and the second holding part, second mechanism, the connector and described
Two holding parts are sequentially connected, and are placed in the positioning region by the connector, and first recessed portion and described second recessed is made
Concave portion precisely forms as the poroid portion.
Further, one end of the positioning region is connected to the end of the straight plate part of first mechanism, the connector
Be formed as stem, one end of the connector is connect with second mechanism, and it is described fixed that the other end of the connector stretches out
The one end in position portion is simultaneously connect with second holding part.
Further, the scalpel is single-blade scalpel.
In the present invention, become the recessed portion circular arc of C-shaped using knife-edge, and the side wall of spinal cord is made to be placed in the recessed portion
It is interior, to make spinal cord side wall is as much as possible to be in contact with blade, and spinal cord is fixed using holding mechanism, is then made
Scalpel under guide part guidance along spinal cord transverse shifting, to make blade cut off spinal cord, that is, spinal cord transection, due to
Blade and spinal cord side wall contact area are very big, and the cutting line of formation is very long, and are detached from process in scalpel and holding mechanism
In, multiple contact positions of blade and spinal cord side wall simultaneously cut spinal cord, and are unified in guide part
The lower movement of guidance cuts spinal cord using coventional scalpel by experience relative to operative doctor, guide part for
More precisely scalpel moving direction is that the guidance of scalpel cut direction is more accurate --- completely along the transverse direction of spinal cord
It is mobile.Therefore, so that spinal cord by cross-section end face in good order, thus for subsequent spinal cord end syncretizing effect and spinal cord injury it is extensive
Very favorable guarantee is provided again.
In addition, first recessed portion of the first mechanism and the second mechanism is engaged with the second recessed portion in spinal cord by before cross-section
It is more convenient and easily operated to close the process realized and spinal cord is fixed.To further ensure spinal cord transection rear end
Neatly.
Further, in use, scalpel can be placed in the first groove and be placed in spinal cord transverse direction together with the first mechanism
Side so that spinal cord is placed in the recessed portion of tool arm；Then by the second mechanism and the first mechanism snaps, guide groove at this time
It is oppositely arranged with tool arm, lifts the first holding part, under the blocking of the second recessed portion, spinal cord is still in poroid portion, and knife
Arm cuts spinal cord, is then detached from from guide groove, to realize to the cross-section of spinal cord.
And, it is generally the case that the straight plate part of the first mechanism is vertically arranged, and end is the top of the first mechanism, in this way,
The top of the first mechanism is arranged in first holding part, so that convenient carry out lifting operation to the first holding part, to further mention
The property easy to use of the high medical spinal cord disconnecting device.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Fig. 1 is the schematic diagram of the scalpel according to an embodiment of the invention；
Fig. 2 is the schematic perspective view of second mechanism；
Fig. 3 is the schematic perspective view of first mechanism；
Fig. 4 is the schematic perspective view that the scalpel is placed in first mechanism, and the first machine is shown
Structure only offers first groove；
Fig. 5 is the show in schematic partial sections of the A-A of Fig. 4；
Fig. 6 is an in running order schematic perspective view of the medical spinal cord disconnecting device；It is shown
One mechanism only offers first groove and the second mechanism opens up a guide groove；
Fig. 7 is another in running order schematic perspective view of the medical spinal cord disconnecting device；It is shown
First mechanism offers multiple first grooves and the second mechanism opens up multiple guide grooves；
Fig. 8 is another schematic perspective view that the scalpel is placed in first mechanism；It is shown first
Mechanism offers multiple first grooves.
Specific embodiment
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.
Fig. 1 is the schematic diagram of the scalpel according to an embodiment of the invention；Fig. 2 is the signal of second mechanism
Property perspective view；Fig. 3 is the schematic perspective view of first mechanism；Fig. 4 is that the scalpel is placed in first mechanism
One schematic perspective view is shown the first mechanism and only offers first groove；Fig. 5 is the signal of the A-A of Fig. 4
Property partial sectional view；Fig. 6 is an in running order schematic perspective view of the medical spinal cord disconnecting device；There is shown with
First mechanism only offers first groove and the second mechanism opens up a guide groove；Fig. 7 is the medical spinal cord
Another in running order schematic perspective view of disconnecting device；The first mechanism is shown and offers multiple first grooves
And second mechanism open up multiple guide grooves；Fig. 8 be the scalpel be placed in first mechanism another is schematically vertical
Body figure；The first mechanism is shown and offers multiple first grooves.
Referring to Fig. 1 to Fig. 6, the present embodiment provides a kind of medical spinal cord disconnecting devices, comprising: scalpel 100 and holding machine
Structure 300.Scalpel 100 is formed with the tool arm 101 of C-shaped, and the blade 102 of scalpel 100 is formed in the recess of tool arm 101 simultaneously
It is arranged along the circular arc of tool arm 101, the side wall of spinal cord 200 is placed in the recess of tool arm 101；Holding mechanism 300 includes
One mechanism 301, the second mechanism 302 and guide part.First mechanism 301 is formed with the first recessed portion 3011；The formation of second mechanism 302
There is the second recessed portion 3021, the second mechanism 302 is selectively fastened or separated with the first mechanism 301, so that the first recessed portion
3011 and second recessed portion 3021 fasten after be formed as poroid portion, spinal cord 200 and tool arm 101 are kept in poroid portion.Guide part shape
At in the first mechanism 301 or/and the second mechanism 302, scalpel 100 is installed on guide part, guide part for guide tool arm 101 from
The transverse direction and maintaining part of spinal cord 200 are detached from, and spinal cord 200 is cut off.
When cutting off to spinal cord 200, the first recessed portion 3011 of the first mechanism 301 is placed in spinal cord 200 laterally first
Side, such as in patient's recumbency or on all fours in the case where spinal cord 200 bottom, at this time scalpel 100 can in company with first recess
Portion 3011 is set along the side lateral in spinal cord 200, so that the side wall of spinal cord 200 is placed in the recess of tool arm 101；When
So, scalpel 100 can not also be set along in the side of 200 transverse direction of spinal cord in company with the first recessed portion 3011, but scalpel
100 after the first mechanism 301 is matched with spinal cord 200, are placed in the side wall of spinal cord 200 in the recess of tool arm 101, this takes
Certainly in factors such as the habituation of the specific needs of operation and operative doctor, then by the second mechanism 302 and the first mechanism 301
It fastens, spinal cord 200 is placed in the first recessed portion 3011 and the second recessed portion 3021 at this time, that is, in poroid portion, also, makes hand
Art knife 100 is placed in guide part, is then operated to scalpel 100, makes scalpel 100 under the guidance of guide part from spinal cord
200 transverse direction and maintaining part is detached from, so that blade 102 be made to cut off spinal cord 200.
In the present embodiment, be formed as the recessed portion circular arc of C-shaped using blade 102, and the side wall of spinal cord 200 is made to be placed in this
In recessed portion, to make 200 side wall of spinal cord is as much as possible to be in contact with blade 102, and using holding mechanism 300 to spinal cord
200 are fixed, and then make scalpel 100 under guide part guidance along 200 transverse shifting of spinal cord, to make blade 102 will
Spinal cord 200 is cut off, that is, spinal cord 200 is cross-section, and since blade 102 and 200 side wall contact area of spinal cord are very big, formation is cut
Secant is very long, and during scalpel 100 and holding mechanism 300 are detached from, multiple the connecing of blade 102 and 200 side wall of spinal cord
Spinal cord 200 is simultaneously cut in touching position, and is moved under the unified guidance of guide part, is cured relative to operation
It is raw that spinal cord 200 is cut using coventional scalpel 100 by experience, guide part for 100 moving direction of scalpel,
More precisely be 100 cut direction of scalpel guidance it is more accurate --- completely along the transverse shifting of spinal cord 200.Cause
This so that spinal cord 200 by cross-section end face in good order, to be damaged for subsequent 200 end syncretizing effect of spinal cord and spinal cord 200
Recovery provides very favorable guarantee.
In addition, in spinal cord 200 by before cross-section, the first recessed portion 3011 and of the first mechanism 301 and the second mechanism 302
Two recessed portions 3021 process realized and spinal cord 200 is fixed that is interlocked is more convenient and easily operated.To further protect
The neat of the cross-section rear end of spinal cord 200 is demonstrate,proved.
Referring to fig. 2 and Fig. 3, further, the first mechanism 301 is plate and extends along its length direction, the first mechanism
301 cross section is in J-shaped, and the first recessed portion 3011 is the bending place of the first mechanism 301；Second mechanism 302 is formed as strip
Plate, U-shaped profile, the second recessed portion 3021 are the bending place of the second mechanism 302.Wherein, the straight panel of the first mechanism 301
Portion 3012 is formed with positioning region 500, and positioning region 500 is connected to each other with the second mechanism 302, and positioning region 500 is for making the first recessed portion
3011 and second recessed portion 3021 precisely form as poroid portion.
It should be noted that the cross section in the present embodiment is each meant perpendicular to component, such as spinal cord, the first mechanism, second
Mechanism, the plane of length direction.
The huge advantage that plate-like piece has structural strength high, small in size and easy to manufacture, so that being sufficiently conducive to should
The production and application of medical 200 disconnecting device of spinal cord；Especially at human vertebra small space, it still is able to smoothly to guarantee pair
Spinal cord 200 is fixed.
Referring to fig. 2 to Fig. 8, further, guide part is multiple, and is successively arranged in along the length direction of the spinal cord
First mechanism 301 or/and the second mechanism 302, scalpel 100 are optionally disposed in any one in multiple guide parts.
Medical spinal cord disconnecting device of the invention is during on probation, since space is very narrow at human vertebra, so that
The moving range of first mechanism and the second mechanism at spinal cord is very limited, mobile very more particularly along the length direction of spinal cord
Difficulty is highly detrimental to make spinal cord cut-off part and guide part if a guide part is only arranged in the spinal cord disconnecting device
Position is completely coincident；The selection and spinal cord cutting effect of spinal cord off-position have been seriously affected in this way.Therefore, by described
One mechanism or/and the multiple guide parts of the second arrangement of mechanism, and arrange that it successively along the length direction of the spinal cord；This
Sample can make spinal cord off-position selectable to reach with a best guide part to be completely coincident as far as possible, then make to perform the operation again
Knife is placed in the guide part, so that it is more rationally accurate to select the off-position of spinal cord, and improves the cutting effect of spinal cord.
Referring to fig. 2 to Fig. 8, further, scalpel 100 be it is multiple, each scalpel 100 is placed in a guide part
In.
So set, two scalpels 100 can be installed in multiple guide parts simultaneously by allowing for, then two operations
Knife 100 respectively corresponds the both ends that spinal cord needs to cut off, and it is only necessary to successively lift scalpel 100 to complete to ridge in this way
The interruption at marrow both ends improves procedure efficiency.
Referring to fig. 4 and Fig. 6, further, guide part includes: the first groove 401 and guide groove 402.First groove 401
It is opened in the plate face where the first recessed portion 3011, the first groove 401 extended the along the width direction of the first mechanism 301
One recessed portion 3011；The two sides plate face connection that guide groove 402 is opened in the second mechanism 302 and keeps the second mechanism 302 opposite, knife
Arm 101 can pass through guide groove 402.Wherein, scalpel 100 is formed with knife bar 103, and one end of knife bar 103 and tool arm 101 connect
It connects, knife bar 103 and tool arm 101 are received in the first groove 401, and the other end of knife bar 103 is formed as the first holding part 104, are led to
Crossing the first holding part 104 of operation makes the blade 102 of scalpel 100 be horizontally through guide groove 402 along spinal cord 200, by ridge
Marrow 200 is completely cut through.
In use, scalpel 100 can be placed in the first groove 401 and be placed in 200 cross of spinal cord together with the first mechanism 301
To side so that spinal cord 200 is placed in the recessed portion of tool arm 101；Then by the second mechanism 302 and the first mechanism 301
It fastens, guide groove 402 is oppositely arranged with tool arm 101 at this time, the first holding part 104 is lifted, in the blocking of the second recessed portion 3021
Under, spinal cord 200 is still in poroid portion, and tool arm 101 cuts spinal cord 200, then it is detached from from guide groove 402, thus
It realizes to the cross-section of spinal cord 200.
Referring to fig. 2 to Fig. 8, the first groove 401 is multiple and is successively in spacing cloth along the length direction of the first mechanism 301
It is placed at the first recessed portion 3011；Guide groove 402 is multiple and is successively in spacing cloth along the length direction of the second mechanism 302
It is placed at the second recessed portion 3021；Each first groove 401 is oppositely arranged with a guide groove 402；First mechanism 301 and second
The length direction of mechanism 302 and the length direction of spinal cord are consistent.
So set, be the specific arrangement method of aforesaid plurality of guide part, effect is as previously mentioned, herein not further around stating.
Referring to fig. 2 to Fig. 6, further, the end of the straight plate part 3012 of one end of the first groove 401 and the first mechanism 301
The other end of portion's connection, knife bar 103 stretches out the first mechanism 301 by one end of the first groove 401 and is formed as the first holding part
104, the other end and the one end of knife bar 103 are reversed.
Under normal conditions, the straight plate part 3012 of the first mechanism 301 is vertically arranged, and end is the top of the first mechanism 301
Portion, in this way, the top of the first mechanism 301 is arranged in the first holding part 104, so that convenient lift the first holding part 104
Operation, to further increase the property easy to use of medical 200 disconnecting device of spinal cord.
Referring to fig. 4 and Fig. 5 is further contained in the blade 102 of scalpel 100 in the situation in the first groove 401
Under, the top curve sword side 1021 of the blade 102 of scalpel 100 is contained completely in the first groove 401, to prevent scalpel
100 blade 102 scratches spinal cord 200.
Since spinal cord 200 is extremely important for human body, and medical device causes damage will be tight in spinal cord 200 in surgical procedure
Ghost image rings the normal function of spinal cord 200, therefore contains the top curve sword side of the blade 102 of scalpel 100 completely in first
It in groove 401, can be effectively prevented during making the first mechanism 301 is mobile to set the lateral side of spinal cord 200, blade 102 is from the
Expose in one groove 401 and scratches 200 side wall of spinal cord；And then improve the safety that medical 200 disconnecting device of spinal cord uses.
Referring to fig. 4 and Fig. 6, further, positioning region 500 is formed as the second groove and along the width of the first mechanism 301
Direction extends；Second mechanism 302 is formed with connector 3023 and the second holding part 3022, the second mechanism 302, connector 3023 and
Second holding part 3022 is sequentially connected, and is placed in positioning region 500 by connector 3023, and the first recessed portion 3011 and second recessed is made
Concave portion 3021 precisely forms as poroid portion.
3023 one side of connector cooperates with positioning region 500, and the side wall of the second recessed portion 3021 and the first mechanism 301
Straight plate part 3012 fit, realize the first recessed portion 3011 and the second recessed portion 3021 accurate positionin；Connector 3023 is another
On the one hand it is connect with the second holding part 3022, to allow the second holding part 3022 is very convenient to be rapidly performed by these behaviour
Make, while during using 102 cross-section spinal cord 200 of blade, prevention spinal cord is also achieved by hand-held second holding part 3022
200 is mobile relative to the second recessed portion 3021, to guarantee the neat of the cross-section rear end of spinal cord 200.
Referring to Fig. 6, further, one end of positioning region 500 is connected to the end of the straight plate part 3012 of the first mechanism 301,
Connector 3023 is formed as stem, and one end of connector 3023 is connect with the second mechanism 302, and the other end of connector 3023 is stretched
It one end of the second groove and is connect out with the second holding part 3022.
So set, being placed in the second holding part 3022 at the top of the straight plate part 3012 of first mechanism 301, to further mention
Operation convenience of the height to the second holding part 3022.
Referring to Fig. 1, further, scalpel 100 is single-blade scalpel 100.
Finally, with regard to spinal fusion art, it is referred to published Chinese invention patent CN201710979273.9, one
Kind spinal fusion agent and its preparation method and application.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (10)
1. a kind of medical spinal cord disconnecting device characterized by comprising
Scalpel, is formed with the tool arm of C-shaped, and the blade of the scalpel is formed in the recess of the tool arm and along the knife
The circular arc of arm is arranged, and the side wall of the spinal cord is placed in the recess of the tool arm；And holding mechanism, include
First mechanism is formed with the first recessed portion；
Second mechanism, is formed with the second recessed portion, second mechanism selectively with first mechanism snaps or separate, with
Be formed as poroid portion after fastening first recessed portion and second recessed portion, described in the spinal cord and the tool arm are kept
In poroid portion；And
Guide part, is formed in first mechanism or/and second mechanism, the scalpel are placed in the guide part, institute
Guide part is stated for guiding the tool arm to be detached from from the transverse direction of the spinal cord and the maintaining part, the spinal cord is cut off.
2. medical spinal cord disconnecting device according to claim 1, which is characterized in that
First mechanism is plate and extends along its length direction, and the cross section of first mechanism is in J-shaped, described first
Recessed portion is the bending place of first mechanism；
Second mechanism is formed as long strip shape, U-shaped profile, and second recessed portion is second mechanism
Bending place；
Wherein, the straight plate part of first mechanism is formed with positioning region, and the positioning region is connected to each other with second mechanism, described
Positioning region is for precisely forming first recessed portion and second recessed portion for the poroid portion.
3. medical spinal cord disconnecting device according to claim 1, which is characterized in that the guide part is multiple, and successively
It is arranged in first mechanism or/and second mechanism along the length direction of the spinal cord, the scalpel is selectively
It is placed in any one in multiple guide parts.
4. medical spinal cord disconnecting device according to claim 3, which is characterized in that the scalpel is multiple, Mei Gesuo
Scalpel is stated to be placed in the guide part.
5. medical spinal cord disconnecting device according to any one of claim 2 to 4, which is characterized in that the guide part packet
It has included:
First groove is opened in the plate face where first recessed portion, and first groove is along first mechanism
Width direction extended first recessed portion；And
Guide groove, the two sides plate face connection for being opened in second mechanism and keeping second mechanism opposite, the tool arm can
Across the guide groove；
Wherein, the scalpel is formed with knife bar, and one end of the knife bar is connect with the tool arm, the knife bar and the tool arm
It is received in first groove, the other end of the knife bar is formed as the first holding part, by operating first holding part
So that the blade of the scalpel is horizontally through the guide groove along the spinal cord, the spinal cord is completely cut through.
6. medical spinal cord disconnecting device according to claim 5, which is characterized in that
First groove is multiple and is successively in that be arranged in described first recessed for spacing along the length direction of first mechanism
At concave portion；
The guide groove is multiple and is successively in that spacing is arranged in second recess along the length direction of second mechanism
At portion；
Each first groove is oppositely arranged with a guide groove；
The length direction of first mechanism and second mechanism is consistent with the length direction of the spinal cord.
7. medical spinal cord disconnecting device according to claim 5, which is characterized in that
One end of first groove is connected to the end of the straight plate part of first mechanism, and the other end of the knife bar is by described
One end of first groove stretches out first mechanism and is formed as first holding part, the other end and one end of the knife bar
It is reversed.
8. medical spinal cord disconnecting device according to claim 5, which is characterized in that the blade of the scalpel contain in
In the case where in first groove, the top curve sword side of the blade of the scalpel is contained completely in first groove
It is interior, to prevent the blade of the scalpel from scratching the spinal cord.
9. medical spinal cord disconnecting device according to claim 2, which is characterized in that the positioning region is formed as the second groove
And extend along the width direction of first mechanism；
Second mechanism is formed with connector and the second holding part, and second mechanism, the connector and described second take
The portion of holding is sequentially connected, and is placed in the positioning region by the connector, and first recessed portion and second recessed portion are made
It precisely forms as the poroid portion.
10. medical spinal cord disconnecting device according to claim 9, which is characterized in that
One end of the positioning region is connected to the end of the straight plate part of first mechanism, and the connector is formed as stem,
One end of the connector is connect with second mechanism, the other end of the connector stretch out one end of the positioning region and with
The second holding part connection.
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| CN201810700170.9A CN109223117B (en) | 2018-06-29 | 2018-06-29 | Medical spinal cord cutting device |
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|---|---|---|---|
| CN201810700170.9A CN109223117B (en) | 2018-06-29 | 2018-06-29 | Medical spinal cord cutting device |
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| CN109223117A true CN109223117A (en) | 2019-01-18 |
| CN109223117B CN109223117B (en) | 2020-12-29 |
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|---|---|---|---|---|
| US5423842A (en) * | 1988-05-16 | 1995-06-13 | Michelson; Gary K. | Spinal microknife |
| US20070260270A1 (en) * | 2000-02-16 | 2007-11-08 | Trans1 Inc. | Cutter for preparing intervertebral disc space |
| CN101001581A (en) * | 2004-08-11 | 2007-07-18 | 爱尔伯电子医疗设备公司 | Electrosurgical instrument |
| CN103263307A (en) * | 2013-06-08 | 2013-08-28 | 吴爱悯 | Cutter for spinal cord injury animal model |
| CN104323831A (en) * | 2014-09-16 | 2015-02-04 | 中国人民解放军第一七五医院 | Total spondylectomy intercalated disc cutter |
| CN207220857U (en) * | 2017-03-08 | 2018-04-13 | 无锡市人民医院 | Medical hook knife |
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