CN209172435U - A kind of dura mater scissors opening apparatus - Google Patents
A kind of dura mater scissors opening apparatus Download PDFInfo
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- CN209172435U CN209172435U CN201821177255.5U CN201821177255U CN209172435U CN 209172435 U CN209172435 U CN 209172435U CN 201821177255 U CN201821177255 U CN 201821177255U CN 209172435 U CN209172435 U CN 209172435U
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- cutter head
- lever
- dura mater
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Abstract
The utility model relates to a kind of dura mater scissors opening apparatus, a fixed blade body, the fixed blade body includes fixed stock, fixed lever and fixed cutter head, and the fixed cutter head is passivity cutter head；One shears cutter hub, the shears cutter hub include movable stock, movable lever and movable cutter head, are provided with blade on the inside of the activity cutter head；The activity lever and the fixed lever are hinged；One fibrescope, the fibrescope are arranged in the intracorporal pipeline of the fixed blade；One transparent protective shield, the transparent protective shield are fixed at the outside of the pipeline of the fixed pliers head.It the advantage is that, fixed cutter head is passivity cutter head, prevents from protruding into the tissue on the inside of the fixation cutter head damage dura mater on the inside of dura mater；It is provided with fibrescope in fixed blade body, after fibrescope and display device are electrically connected, the intradural assembling situation of fixed cutter head front end can be observed in real time, is conveniently adjusted the direction of travel of fixed cutter head or the position using fixed cutter head adjustment dura mater inner tissue.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of dura mater scissors opening apparatus.
Background technique
When carrying out spinal operation or operation on vertebra, it may require that sometimes and cut off dura mater.It is usually tangible hard in existing technology
After scratching an osculum on film, the top of a cutter head of dura mater scissors is put in osculum, shear shank is then pressed, made with blade
Two cutter heads mutually suit, to cut off dura mater.
But existing dura mater scissors has certain defect.The head end for putting in osculum is sharp, is easy to damage intradural ridge
Marrow, and the dura mater notch cut is not in straight line, increases suture difficulty.In addition, can not be learnt during cutting off dura mater
Which kind of tissue the front end of cutter head below dura mater has.
Therefore, it needs one kind and avoids damage to spinal cord in dura mater, keep dura mater notch linear, and can know dura mater scissors row
Into the dura mater scissors of the hoc scenario of the front end of cutter head in the process.
Utility model content
The purpose of this utility model is aiming at the shortcomings in the prior art, to provide a kind of dura mater scissors opening apparatus.
To achieve the above object, the technical scheme adopted by the utility model is that:
A kind of dura mater scissors opening apparatus, comprising:
One fixed blade body, the fixed blade body include that fixed stock, fixed lever and fixed cutter head, the fixation are held
The tail end of the fixed stock is arranged in handle, and the fixed cutter head is vertically set on the head end of the fixed stock, the fixation
Cutter head is passivity cutter head；
One shears cutter hub, the shears cutter hub include that movable stock, movable lever and movable cutter head, the activity are held
The tail end of the movable stock is arranged in handle, and the head end of the movable stock, the activity cutter head is arranged in the activity cutter head
Inside be provided with blade；
The activity lever and the fixed lever are hinged；
One fibrescope, the fibrescope are arranged in the intracorporal pipeline of the fixed blade, and the pipeline sequentially passes through institute
State fixed cutter head, the fixed stock and the fixed lever；
One transparent protective shield, the transparent protective shield are fixed at the outside of the pipeline of the fixed cutter head.
Preferably, the shears cutter hub further includes finger placing groove, and the finger placing groove setting is held in the activity
The outside of handle.
Preferably, further includes:
The inside of the fixed lever is arranged in one first elastomer, first elastomer, first elastomer
The tail end of tail end and the fixed lever is bolted；
The inside of the movable lever is arranged in one second elastomer, second elastomer, second elastomer
The tail end of tail end and the movable lever is bolted；
The head end setting of first elastomer is fluted, and the head end nesting of second elastomer is in the groove.
Preferably, the fixed lever is in spindle.
Preferably, the movable lever is in " 3 " shape.
Preferably, the movable cutter head is vertically set on the head end of the movable stock.
Preferably, the outside setting antiskid thread or Anti-slip cover of the fixed lever.
Preferably, the head end of the fixed cutter head is in spherical.
Preferably, the movable lever and the movable stock are hinged.
Preferably, strip blade or serrated edge are provided on the inside of the movable cutter head.
The utility model is had the following technical effect that compared with prior art using above technical scheme
A kind of dura mater scissors opening apparatus of the utility model, fixed cutter head inside are arranged in plane and without blade, prevent from protruding into
The tissue on the inside of fixation cutter head damage dura mater on the inside of dura mater；It is provided with fibrescope in fixed blade body, by fibrescope and display
After device electrically connects, the intradural assembling situation of fixed cutter head front end can be observed in real time, is conveniently adjusted the row of fixed cutter head
Into direction or utilize the position of fixed cutter head adjustment dura mater inner tissue；At fixing cutter head end, transparent protective shield is set, it can
Portion of tissue enters in fixed cutter head when protecting fibrescope, and preventing fixed cutter head from advancing forward；Fixed lever and activity
Lever is ergonomic designs, is bonded hand shape, to reduce gripping fatigue.
Detailed description of the invention
Fig. 1 is the main view of an illustrative examples of the utility model.
Fig. 2 is the cross-sectional view of the fixed cutter body of an illustrative examples of the utility model.
Fig. 3 is the cross-sectional view of the movable cutter body of an illustrative examples of the utility model.
Fig. 4 is the perspective view of an illustrative examples of the utility model.
Fig. 5 is the main view of a preferred embodiment of the utility model.
Fig. 6 is the perspective view of a preferred embodiment of the utility model.
Appended drawing reference therein are as follows: fixed cutter body 1；Movable cutter body 2；Fibrescope 3；Transparent protective shield 4；First elastomer 5；
Second elastomer 6；Fixed stock 11；Fixed lever 12；Fixed cutter head 13；Pipeline 14；Movable stock 21；Movable lever 22；It is living
Dynamic cutter head 23；Finger placing groove 24.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise for not making creative work
Under every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as the utility model
It limits.
One illustrative examples of the utility model, as shown in figures 1-4, a kind of dura mater scissors opening apparatus, including fixing cutter
Body 1, movable cutter body 2 and fibrescope 3, fixed cutter body 1 and movable cutter body 2 are hinged, and fibrescope 3 is arranged in fixed cutter body 1.
Fixed cutter body 1 includes fixed stock 11, fixed lever 12, fixed cutter head 13 and pipeline 14, and fixed lever 12 is arranged
In the tail end of fixed stock 11, fixed cutter head 13 is arranged in the head end of fixed stock 11, pipeline 14 sequentially pass through fixed cutter head 13,
Fixed stock 11 and fixed lever 12, fixed cutter body 1 is integrally formed, and is made of stainless steel material.
Fixed lever 12 is provided with a hinged groove at fixed stock 11, for hinged with movable cutter body 2.
Fixed lever 12 is designed in spindle, when hand is held, is bonded hand, uniform stressed.It is solid in order to be improved into one
The performance for determining lever 12 is provided with antiskid thread or is arranged an Anti-slip cover and (do not show in figure in the outer surface of fixed lever 12
Out).
The tail end of fixed cutter head 13 is vertical with the head end of fixed stock 11 to be connect, and fixed cutter head 11 is set up, fixed
Cutter head 13 is passivity cutter head, and the head end of fixed cutter head 13 is hemispherical, and the section of fixed cutter head 13 is in semicircle shape, fixed cutter head 13
Inside without blade be arranged, be a flat surface.
The path of pipeline 14 is similar to the shape of fixed cutter body 1, and pipeline 14 is for placing fibrescope 3.
At the pipeline 14 of the tail end of fixed knife handle 12, it is provided with limiting device (not shown), the limiting device energy
Fibrescope 3 is enough fixed, prevents fibrescope 3 from falling off.
The head end of fixed cutter head 13 is provided with transparent protective shield 4.Transparent protective shield 4 is fixedly mounted on fixed cutter head 13
The outside of pipeline 14, for protecting the head end of fibrescope 3.
Movable cutter body 2 includes movable stock 21, movable lever 22 and movable cutter head 23, and the movable setting of lever 22 is long in activity
The head end of movable stock 21 is arranged in the tail end of bar 21, movable cutter head 23, and movable cutter head 23 is integrally formed with movable stock 21,
Movable cutter body 2 is made of stainless steel material.
Movable lever 22 can be integrated molding with movable stock 21, be also possible to be articulated and connected.In the present embodiment, living
Dynamic lever 22 is articulated connection with movable stock 21.
Movable lever 22 is in " 3 " shape, so that movable lever 22 is bonded hand shape.
Movable lever 22 passes through the hinged groove of fixed lever 12 and carries out hingedly with fixed lever 12, movable lever 22 with admittedly
Determine lever 12 to be attached by a hinging pin shaft (not shown).
The outside of movable lever 22 is provided with finger placing groove 24, for wearing finger in hand gripping activity lever 22
Finger placing groove 24 is crossed, connect finger firmly with movable lever 22.
Finger placing groove 24 at least one, finger placing groove 24 be arranged in " 3 " shape of movable lever 22 upper groove and/
Or lower groove.In the present embodiment, finger placing groove 24 is two unconnected placing grooves, two 24 finger placing grooves 24 difference
It is arranged in upper groove and lower groove.
The tail end of movable cutter head 23 and the head end of movable stock 21 are attached at an angle, which is 0 °
~90 °.In the present embodiment, preferred angle is 90 ° or 60 °.
The head end of movable cutter head 23 is provided with blade in the inside of movable cutter head 23, blade can be strip in spherical
Blade is also possible to serrated edge.
Fibrescope 3 is that commonly the endoscope made of glass fibre, tail end have the interface connecting with display device.
The application method of this illustrative examples are as follows: enter fibrescope 3 from the pipeline 14 of fixed 12 tail end of lever, constantly
Fibrescope 3 is inwardly sent into, when the head end of fibrescope 3 contacts transparent protective shield 4, adjusts the limit dress of fixed 12 tail end of lever
It sets, limits limiting device to fibrescope 3；The tail end of fibrescope 3 is connect and is powered with display device；At dura mater edge
An osculum is cut, the head end of fixed cutter head 13 is sent into dura mater incision, inside the dura mater that incision is observed by display device
Hoc scenario, and the tissue (such as nerve) of intradural easy damaged is pushed into one using the orbicule of fixed 13 head end of cutter head
Side, then finger presses inward against movable lever 22, and drive activity stock 21 travels forward, and makes movable cutter head 23 and fixed cutter head 13
Suit, to cut dura mater；Finger drive activity lever 22 outward resets movable lever 22；Cutter head 13 will be fixed to Forward
It is dynamic, continuous repeatedly aforesaid operations, until dura mater is switched to the state that can be performed the operation.
In the technical foundation of above-described embodiment, further, as shown in Fig. 5~6, dura mater scissors opening apparatus further includes elasticity
Resetting apparatus, elasticity reset device setting carry out between fixed lever 12 and movable lever 22 for special operations lever 22
It resets.
Elasticity reset device includes the first elastomer 5 and the second elastomer 6,5 tail end of the first elastomer and fixed lever 12
It is fixedly connected on the inside of tail end by bolt, is carried out on the inside of 22 tail end of 6 tail end of the second elastomer and movable lever by bolt
It is fixedly connected.
First elastomer, 5 head end is provided with a limiting slot, and 6 head end of the second elastomer is arranged in limiting slot, the first elasticity
The home position of body 5 and the setting in " X " shape of the second elastomer 6, the first elastomer 5 and the second elastomer 6 is movable lever 22
Position when relaxation state.
The application method of dura mater scissors opening apparatus with elasticity reset device are as follows: by fibrescope 3 from fixed 12 tail end of lever
Pipeline 14 enter, constantly by fibrescope 3 inwardly be sent into, when fibrescope 3 head end contact transparent protective shield 4 when, adjust fix
The limiting device of 12 tail end of lever, limits limiting device to fibrescope 3；The tail end of fibrescope 3 and display device are connected
It connects and is powered；An osculum is cut at dura mater edge, the head end of fixed cutter head 13 is sent into dura mater incision, is seen by display device
The hoc scenario inside the dura mater of incision is examined, and utilizes the orbicule of fixed 13 head end of cutter head by the group of intradural easy damaged
It knits and is pushed into side (such as nerve), then finger presses inward against movable lever 22, and drive activity stock 21 travels forward, and makes movable blade
First 23 suit with fixed cutter head 13, to cut dura mater；The pressing to movable lever 22 is removed, in the effect of the first elastomer 5
Under, the second elastomer 6 is reset to relaxation state from compressive state, resets movable lever 22；Fixed cutter head 13 is moved forward,
Aforesaid operations are constantly repeated, until dura mater is switched to the state that can be performed the operation.
Using elasticity reset device, the case where hand applies pressure can be reduced, reduces hand nuisance operation, reduces hand
Fatigue improves the operating efficiency of doctor.
The foregoing is merely the utility model preferred embodiment, be not intended to limit the embodiments of the present invention and
Protection scope should can appreciate that all in the utility model specification and diagram to those skilled in the art
Hold made equivalent replacement and obviously change obtained scheme, the protection model of the utility model should all be included in
In enclosing.
Claims (10)
1. a kind of dura mater scissors opening apparatus characterized by comprising
One fixed blade body (1), the fixed blade body (1) include fixed stock (11), fixed lever (12) and fixed cutter head
(13), the tail end in the fixed stock (11) is arranged in the fixed lever (12), and the fixed cutter head (13) is vertically set on
The head end of the fixed stock (11), the fixed cutter head (13) are passivity cutter head；
One shears cutter hub (2), the shears cutter hub (2) include movable stock (21), movable lever (22) and movable cutter head
(23), the tail end in the movable stock (21) is arranged in the movable lever (22), and the activity cutter head (23) is arranged described
The head end of movable stock (21) is provided with blade on the inside of activity cutter head (23)；
The activity lever (22) and the fixed lever (12) are hinged；
One fibrescope (3), the fibrescope (3) are arranged in the pipeline (14) in the fixed blade body (1), the pipeline
(14) the fixed cutter head (13), the fixed stock (11) and the fixed lever (12) are sequentially passed through；
One transparent protective shield (4), the transparent protective shield (4) are fixed at the outer of the pipeline (14) of the fixed cutter head (13)
Side.
2. dura mater scissors opening apparatus according to claim 1, which is characterized in that the shears cutter hub (2) further includes finger
Placing groove (24), finger placing groove (24) setting is in the outside of the movable lever (22).
3. dura mater scissors opening apparatus according to claim 1, which is characterized in that further include:
One first elastomer (5), first elastomer (5) are arranged in the inside of the fixed lever (12), first bullet
The tail end of property body (5) and the tail end of the fixed lever (12) are bolted；
One second elastomer (6), the second elastomer (6) setting is in the inside of the movable lever (22), second bullet
Property body (6) tail end and the tail end of the movable lever (22) be bolted；
The head end setting of first elastomer (5) is fluted, and the head end of second elastomer (6) is nested in the groove
It is interior.
4. dura mater scissors opening apparatus according to claim 1, which is characterized in that the fixed lever (12) is in spindle.
5. dura mater scissors opening apparatus according to claim 1, which is characterized in that the activity lever (22) is in " 3 " shape.
6. dura mater scissors opening apparatus according to claim 1, which is characterized in that the activity cutter head (23) is vertically set on institute
State the head end of movable stock (21).
7. dura mater scissors opening apparatus according to claim 1, which is characterized in that the outside setting of the fixed lever (12) is anti-
Sliding screw thread or Anti-slip cover.
8. dura mater scissors opening apparatus according to claim 1, which is characterized in that the head end of the fixed cutter head (13) is in ball
Shape.
9. dura mater scissors opening apparatus according to claim 1, which is characterized in that the activity lever (22) and the activity are long
Bar (21) is hinged.
10. dura mater scissors opening apparatus according to claim 1, which is characterized in that the inside setting of the activity cutter head (23)
There are strip blade or serrated edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821177255.5U CN209172435U (en) | 2018-07-24 | 2018-07-24 | A kind of dura mater scissors opening apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821177255.5U CN209172435U (en) | 2018-07-24 | 2018-07-24 | A kind of dura mater scissors opening apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209172435U true CN209172435U (en) | 2019-07-30 |
Family
ID=67357760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821177255.5U Active CN209172435U (en) | 2018-07-24 | 2018-07-24 | A kind of dura mater scissors opening apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209172435U (en) |
-
2018
- 2018-07-24 CN CN201821177255.5U patent/CN209172435U/en active Active
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