CN208659480U - A kind of novel arachnoid knife - Google Patents
A kind of novel arachnoid knife Download PDFInfo
- Publication number
- CN208659480U CN208659480U CN201820270490.0U CN201820270490U CN208659480U CN 208659480 U CN208659480 U CN 208659480U CN 201820270490 U CN201820270490 U CN 201820270490U CN 208659480 U CN208659480 U CN 208659480U
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- CN
- China
- Prior art keywords
- arachnoid
- knife
- elevator
- novel
- sliding slot
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of novel arachnoid knifes, including elevator, inner wall is equipped with guide groove on the right side of the elevator, arachnoid knife is equipped in the guide groove, the first inflection point is equipped on the left of the arachnoid knife, knife spine is equipped at first inflection point, the second inflection point is equipped on the right side of the arachnoid knife, blade is equipped at second inflection point, blade slot is equipped in the middle part of the arachnoid knife, matched positioning pin is equipped in the blade slot, the arachnoid knife bottom end, which extends to, protects intrathecal and bottom end to be equipped with connecting hole, the protection sheath extends to elevator bottom, the elevator bottom is sheathed in handle, sliding slot is equipped in the handle, wall is equipped with sliding slot tooth at left and right sides of the sliding slot.The utility model has novel design, structurally reasonable, can be used in cutting deep arachnoid and will not damage blood vessel and brain tissue, and solving traditional arachnoid knife can be only used for cutting the use confinement problems of superficial arachnoid.
Description
Technical field
The utility model relates to surgical knife tool technical field more particularly to a kind of novel arachnoid knifes.
Background technique
Current arachnoid knife can only be used to superficial arachnoid and cut on a small quantity, there is wound mostly using No. 5 syringe nozzles as blade
And blood vessel and brain tissue risk；And it is difficult to use in the sub-argument and incision of deep arachnoid.Therefore a kind of novel spider web is urgently designed
Hymenotome can be conveniently used for cutting the deep arachnoid of brain.
Existing arachnoid knife has the following disadvantages: most of arachnoid knifes use No. 5 syringes as cutter head, but
It is that can only cut a small amount of superficial arachnoid, is not used to the sub-argument and incision of deep arachnoid, also there is damage at the same time
The risk of blood vessel and brain tissue.
Utility model content
The purpose of this utility model is to provide a kind of novel arachnoid knifes, have novel design, structurally reasonable, Neng Gouyong
In cutting deep arachnoid and the advantages of will not damage blood vessel and brain tissue, solving traditional arachnoid knife can be only used for cutting
Superficial arachnoid uses confinement problems.
According to a kind of novel arachnoid knife of the utility model embodiment, including elevator, inner wall on the right side of the elevator
Equipped with guide groove, it is equipped with arachnoid knife in the guide groove, is equipped with the first inflection point, first inflection point on the left of the arachnoid knife
Place is equipped with knife spine, and the second inflection point is equipped on the right side of the arachnoid knife, is equipped with blade, the arachnoid at second inflection point
It is equipped with blade slot in the middle part of knife, is equipped with matched positioning pin in the blade slot, the arachnoid knife bottom end extends to guarantor
Intrathecal and bottom end is protected equipped with connecting hole, the protection sheath extends to elevator bottom, and the elevator bottom is sheathed in handle,
Sliding slot is equipped in the handle, wall is equipped with sliding slot tooth at left and right sides of the sliding slot, and the sliding slot tooth is equipped with push plate, described to push away
Plate center bottom is equipped with connecting column, and the connecting column is protruded into connecting hole and is firmly connected with it, at left and right sides of the push plate
Equipped with L-type side plate, two L-type side plate tops are equipped with foundation, and two foundation tops all extend in sleeve and hold
Spring is equipped at head, two sleeve tops are fixedly connected with push plate.
Further, the elevator bottom is equipped with a circle external screw thread, and the handle is equipped with elevator bottom junctions
Matched internal screw thread.
Further, the push plate top is equipped with anti-skid chequer.
Further, a circle antislip ring is equipped with around the handle outer wall.
Further, the place of putting the first edge on a knife or a pair of scissors of the arachnoid knife is located at blade front.
The utility model has the beneficial effect that compared with prior art
1, it by the combination of arachnoid knife and elevator, realizes and cuts arachnoid in separating blood vessel nerve, reduce blood
Pipe neurotrosis, the arachnoid in deep is cut after can also carrying out elevator separation, while freely controlling point of a knife and blade distance,
It is suitble to cut the arachnoid under different situations, knife spine is protected by elevator, avoids accidentally injuring blood vessel and brain tissue；Pass through push plate and company
The combination for connecing hole can be realized the flexible of arachnoid knife, and patient can freely push push plate as needed, controls point of a knife and blade exists
Position on elevator；
2, the anti-skid chequer that push plate top is equipped with, increases frictional force, and patient is facilitated to use；The device is novel in design, structure
Rationally, it can be used in cutting deep arachnoid and blood vessel and brain tissue will not be damaged, while freely controlling point of a knife and blade distance
It is suitble to the incision of different situations.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 be the utility model proposes a kind of novel arachnoid knife structural schematic diagram；
Fig. 2 be the utility model proposes a kind of novel arachnoid knife main view；
Fig. 3 be for the utility model proposes a kind of novel arachnoid knife in push plate bottom view.
In figure: 1- elevator, 2- guide groove, 3- arachnoid knife, 4- blade slot, 5- positioning pin, 6- push plate, 7- sliding slot tooth, 8-
Handle, 9- knife spine, 10- blade, 11- connecting hole, 12- anti-skid chequer, 13- sleeve, 14-L type side plate, 15- connecting column, 16- foundation,
17- spring, 18- sliding slot, 19- protect sheath, the first inflection point 20-, the second inflection point 21-.
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 without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig.1-3, a kind of novel arachnoid knife, including elevator 1,1 right side inner wall of elevator are equipped with guide groove 2, guide groove 2
The interior arachnoid knife 3 that is equipped with realizes by the combination of arachnoid knife 3 and elevator 1 and cuts spider web in separating blood vessel nerve
Film reduces blood vesssls and nerves injuries, and the arachnoid in deep cuts after can also carrying out elevator separation, at the same freely control point of a knife and
Incision of the blade 10 apart from suitable different situations, knife spine 9 are protected by elevator 1, avoid accidentally injuring blood vessel and brain tissue；Arachnoid knife
3 left sides are equipped with the first inflection point 20, and knife spine 9 is equipped at the first inflection point 20, is equipped with the second inflection point 21 on the right side of arachnoid knife 3,
It is equipped with blade 10 at second inflection point 21, blade slot 4 is equipped in the middle part of arachnoid knife 3, is determined in blade slot 4 equipped with matched
Position pin 5,3 bottom end of arachnoid knife extends in protection sheath 19 and bottom end is equipped with connecting hole 11, and protection sheath 19 extends to 1 bottom of elevator
Portion, 1 bottom of elevator are sheathed in handle 8, and sliding slot 18 is equipped in handle 8, and 18 left and right sides wall of sliding slot is equipped with sliding slot tooth 7,
Sliding slot tooth 7 is equipped with push plate 6, and 6 center bottom of push plate is equipped with connecting column 15, and connecting column 15 is protruded into connecting hole 11 and is secured to
Connection can be realized the flexible of arachnoid knife 3, patient can freely push away as needed by the combination of push plate 6 and connecting hole 11
Dynamic push plate 6, control point of a knife and blade 10 on elevator 1 position；It is equipped with L-type side plate 14 at left and right sides of push plate 6, two
14 top of L-type side plate is equipped with foundation 16, and two 16 tops of foundation all extend in sleeve 13 and end point is equipped with spring 17, and two
A 13 top of sleeve is fixedly connected with push plate 6.
1 bottom of elevator is equipped with a circle external screw thread, and handle 8 is equipped with 1 bottom junctions of elevator to match with external screw thread
Internal screw thread, 6 top of push plate be equipped with one circle anti-skid chequer 12, increase frictional force, patient facilitated to use；It is set around 8 outer wall of handle
There is antislip ring, the place of putting the first edge on a knife or a pair of scissors of arachnoid knife 3 is located at blade front.
In use, elevator 1 is inserted into 8 bottom end of handle first and rotates fixation, by the connecting hole 11 of 3 bottom end of arachnoid knife
It is fixed with connecting column 15, then blade slot 4 is stuck on positioning pin 5, then push plate 6 is mounted in sliding slot 18, two at this time
L-type side plate 14 is located at 7 downside of sliding slot tooth, is fixed in sliding slot tooth 7 by sleeve 13 and foundation 16；When needing mobile arachnoid knife
When 3, push plate 6 is pushed, L-type side plate 14 is by thrust, and two foundation 16 are moved up, 17 quilt of spring by upward extruding force at this time
It squeezes, connecting column 15 drives arachnoid knife 3 to move in protection sheath 19, when needing fixed, stops pushing push plate 6, foundation 16
It moves down, is protruded into sliding slot tooth 7 under the elastic force effect of spring 17, so that push plate 6 is fixed；It can be with when arachnoid knife 3 moves up
It carries out cutting the operation of the deep arachnoid of brain, the function of elevator 1 can be realized when arachnoid knife 3 moves down.
Place is not described in detail for the utility model, is the well-known technique of those skilled in the art.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of novel arachnoid knife, it is characterised in that: including elevator (1), inner wall is equipped with guide groove on the right side of the elevator (1)
(2), arachnoid knife (3) are equipped in the guide groove (2), are equipped with the first inflection point (20) on the left of the arachnoid knife (3), described the
Knife spine (9) are equipped at one inflection point (20), are equipped with the second inflection point (21) on the right side of the arachnoid knife (3), second bending
Blade (10) are equipped at point (21), are equipped with blade slot (4) in the middle part of the arachnoid knife (3), are equipped with therewith in the blade slot (4)
The positioning pin (5) to match, arachnoid knife (3) bottom end extends in protection sheath (19) and bottom end is equipped with connecting hole (11),
The protection sheath (19) extends to elevator (1) bottom, and elevator (1) bottom is sheathed in handle (8), the handle
(8) sliding slot (18) are equipped in, wall is equipped with sliding slot tooth (7) at left and right sides of the sliding slot (18), and the sliding slot tooth (7) is equipped with and pushes away
Plate (6), push plate (6) center bottom are equipped with connecting column (15), the connecting column (15) protrude into connecting hole (11) and and its
It is fixedly connected, is equipped with L-type side plate (14) at left and right sides of the push plate (6), two L-type side plate (14) tops are equipped with bottom
Column (16), two foundation (16) tops all extend in sleeve (13) and end point is equipped with spring (17), two sets
Cylinder (13) top is fixedly connected with push plate (6).
2. a kind of novel arachnoid knife according to claim 1, it is characterised in that: elevator (1) bottom is equipped with one
External screw thread is enclosed, the handle (8) and elevator (1) bottom junctions are equipped with the internal screw thread to match with external screw thread.
3. a kind of novel arachnoid knife according to claim 1, it is characterised in that: push plate (6) top is equipped with anti-skidding
Line (12).
4. a kind of novel arachnoid knife according to claim 1, it is characterised in that: be equipped with around handle (8) outer wall
One circle antislip ring.
5. a kind of novel arachnoid knife according to claim 1, it is characterised in that: the place of putting the first edge on a knife or a pair of scissors of the arachnoid knife (3)
Positioned at blade front.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820270490.0U CN208659480U (en) | 2018-02-24 | 2018-02-24 | A kind of novel arachnoid knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820270490.0U CN208659480U (en) | 2018-02-24 | 2018-02-24 | A kind of novel arachnoid knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208659480U true CN208659480U (en) | 2019-03-29 |
Family
ID=65820315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820270490.0U Expired - Fee Related CN208659480U (en) | 2018-02-24 | 2018-02-24 | A kind of novel arachnoid knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208659480U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110393574A (en) * | 2019-09-08 | 2019-11-01 | 成都市第二人民医院 | Hook-shaped nerve dissector with Timely Aid cutting function |
| CN110393574B (en) * | 2019-09-08 | 2024-05-03 | 成都市第二人民医院 | Hooked nerve stripper with timely auxiliary cutting function |
-
2018
- 2018-02-24 CN CN201820270490.0U patent/CN208659480U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110393574A (en) * | 2019-09-08 | 2019-11-01 | 成都市第二人民医院 | Hook-shaped nerve dissector with Timely Aid cutting function |
| CN110393574B (en) * | 2019-09-08 | 2024-05-03 | 成都市第二人民医院 | Hooked nerve stripper with timely auxiliary cutting function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190329 Termination date: 20210224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |