CN206597043U - Knife for stripping cable under foramen intervertebrale lens - Google Patents
Knife for stripping cable under foramen intervertebrale lens Download PDFInfo
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- CN206597043U CN206597043U CN201621230491.XU CN201621230491U CN206597043U CN 206597043 U CN206597043 U CN 206597043U CN 201621230491 U CN201621230491 U CN 201621230491U CN 206597043 U CN206597043 U CN 206597043U
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- knife
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- edge
- knife pipe
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Abstract
A kind of Knife for stripping cable under foramen intervertebrale lens, it includes outer knife and interior knife, the outer knife includes the outer knife pipe of circular tube shaped, the front end of the outer knife pipe is provided with spherical outer tube end wall, the circumferential both sides of the edge in one section of outer edge of a knife for axially penetrating through the outer tube end wall, the outer edge of a knife corresponding to the outer knife pipe are offered on the front end tube wall of the outer knife pipe to be serrated；The interior knife includes the interior knife pipe of circular tube shaped, the front end of the interior knife pipe is provided with spherical inner tube end wall, the circumferential both sides of the edge in one section of interior edge of a knife for axially penetrating through said inner tube end wall, the interior edge of a knife corresponding to the interior knife pipe are offered on the front end tube wall of the interior knife pipe to be serrated；The internal diameter of the external diameter of the interior knife pipe and the outer knife pipe matches, the interior knife pipe can be inserted in the outer knife pipe with respect to the tail end from the outer knife pipe of rotation, and being fitted on the outward appearance end wall medial surface of the outer knife pipe of can matching of inner tube end wall lateral surface of the interior knife pipe.
Description
Technical field
A kind of technique with the apparatus neck when the utility model is related to bone surgery for being planed to intervertebral disc disorder tissue
Knife for stripping cable under domain, more particularly to a kind of foramen intervertebrale lens.
Background technology
, can be with as the foramen intervertebrale lens operation of backbone microsurgery important component as medical technology constantly improves
The excision and reparation of intervertebral disc disorder tissue are carried out under the conditions of minimally invasive, the foramen intervertebrale lens operation pain operated under mirror is few, extensive
It is multiple fast, reduce postoperative complications and the low advantage of surgery cost.It is micro- that the development of foramen intervertebrale lens operation has fully demonstrated modern surgery
The development trend of woundization., it is necessary to be purged to diseased soft tissue under mirror in foramen intervertebrale lens surgical procedure, Knife for stripping cable is for big
The soft tissue of area removes the advantage for having uniqueness.Such as the patent No. 201521122429.4 and the patent No. 201521122437
.9 some disclosed existing representative Knife for stripping cable, also demonstrate out some problems in use：First, it is existing
There are Knife for stripping cable, tool diameter >=4mm, it is impossible to operated under mirror；Second, Knife for stripping cable head end opening is small under existing mirror, group during planing
Knit fragment and easily block the edge of a knife, inefficient, influence operation technique effect, extension operating time.
Utility model content
The purpose of this utility model is to provide Knife for stripping cable under a kind of foramen intervertebrale lens, and its technical problem to be solved exists
In：Its tool diameter of existing Knife for stripping cable is big, it is impossible to used in Microendoscopic, and existing Knife for stripping cable interior knife and outer knife according to
Forward end helically channel-shaped otch relatively rotate realize shearing, planing, cutting for knife front end is small, therefore is easily blocked up by tissue pieces
The edge of a knife is filled in, planing efficiency is low, influences operation technique, extends operating time.
In order to solve the above technical problems, the utility model provides Knife for stripping cable under a kind of foramen intervertebrale lens, it include outer knife and
Interior knife, the outer knife includes the outer knife pipe of circular tube shaped, and the front end of the outer knife pipe is provided with spherical outer tube end wall, the outer knife
Offer in one section of outer edge of a knife for axially penetrating through the outer tube end wall, the outer edge of a knife and correspond to outside described on the front end tube wall of pipe
The circumferential both sides of the edge of knife pipe are serrated；The interior knife includes the interior knife pipe of circular tube shaped, and the front end of the interior knife pipe is provided with
One section of interior knife for axially penetrating through said inner tube end wall is offered on spherical inner tube end wall, the front end tube wall of the interior knife pipe
Mouthful, the circumferential both sides of the edge that the interior knife pipe is corresponded in the interior edge of a knife are serrated；The external diameter of the interior knife pipe and institute
The internal diameter for stating outer knife pipe matches, and the interior knife pipe can be inserted in the outer knife pipe with respect to the tail end from the outer knife pipe of rotation
In, and being fitted on the outward appearance end wall medial surface of the outer knife pipe of can matching of inner tube end wall lateral surface of the interior knife pipe.
It is preferable over：The central point of the spherical outer tube end wall is located on the central axis of the outer knife pipe, and described
The external diameter of the diameter of outer tube end wall and the outer knife pipe matches；The central point of spherical said inner tube end wall is located in described
On the central axis of knife pipe, and the external diameter of the diameter of said inner tube end wall and the interior knife pipe matches.
It is preferable over：The axial length of the interior edge of a knife is not less than the axial length of the outer edge of a knife, and in the outer edge of a knife
Sawtooth on both sides of the edge and the sawtooth mutual dislocation on both sides of the edge in the interior edge of a knife.
It is preferable over：The tail end of the interior knife pipe is fixedly installed the driving handle greater diameter than the interior knife pipe external diameter, and
A negative pressure connector connected with the inner orifice of the interior knife pipe is radially offered on the axial plane of the driving handle.
It is preferable over：Offered on the axial end of the driving handle for driving source link be in criss-cross otch.
It is preferable over：The tail end of the outer knife pipe being fixedly installed coaxially one is fixedly connected with handle.
It is preferable over：The interior knife pipe and outer knife pipe are titanium alloy material.
Compared with prior art, the beneficial effects of the utility model are：
First, the utility model is provided a kind of new can pass through interior knife pipe in the Knife for stripping cable used under foramen intervertebrale lens
Relatively rotated between outer knife pipe, so that the interior edge of a knife is mutually sheared with the jagged edge in the outer edge of a knife, and with very
Strong snap-in force, realization is quickly planed to pathological tissues, reaches that high efficiency removes diseased soft tissue effect；
2nd, it is easy to operate, only need to insert the driving using similar cross torque output end in driving source during driving
Driving can be achieved in cross-cut on pommel face, and negative pressure device can be connected by the negative pressure connector, produce negative
Press strip part, the soft tissue and perfusion liquid of planing can be suctioned out from operative site in time by the interior knife pipe, be not easily blocked the edge of a knife.
Brief description of the drawings
Fig. 1 is assembled state structural representation of the present utility model.
Fig. 2 is interior knife structural representation of the present utility model.
Fig. 3 is outer knife structure schematic diagram of the present utility model.
Fig. 4 is driving handle end face structure schematic diagram of the present utility model.
Embodiment
Below with reference to accompanying drawing 1 to 4 and preferred embodiment to the utility model proposes a kind of foramen intervertebrale lens under
Knife for stripping cable is described in greater detail.
The utility model provides Knife for stripping cable under a kind of foramen intervertebrale lens, and it includes outer knife 1 and interior knife 2, and the outer knife 1 is wrapped
The outer knife pipe 11 of circular tube shaped is included, the front end of the outer knife pipe 11 is provided with spherical outer tube end wall 12, the outer knife pipe 11
Offered on the tube wall of front end and correspond to institute in one section of outer edge of a knife 13 for axially penetrating through the outer tube end wall 12, the outer edge of a knife 13
The circumferential both sides of the edge for stating outer knife pipe 11 are serrated, and the central point of the spherical outer tube end wall 12 is located at outside described
On the central axis of knife pipe 11, and the external diameter of the diameter of the outer tube end wall 12 and the outer knife pipe 11 matches；In described
Knife 2 includes the interior knife pipe 21 of circular tube shaped, and the front end of the interior knife pipe 21 is provided with spherical inner tube end wall 22, the interior knife pipe
It is right in one section of interior edge of a knife 23 for axially penetrating through said inner tube end wall 22, the interior edge of a knife 23 to be offered on 21 front end tube wall
The circumferential both sides of the edge of knife pipe 21 are serrated in described in Ying Yu, and the central point of spherical said inner tube end wall 22 is located at
On the central axis of the interior knife pipe 21, and the external diameter of the diameter of said inner tube end wall 22 and the interior knife pipe 21 matches；
The internal diameter of the external diameter of the interior knife pipe 21 and the outer knife pipe 11 matches, and the interior knife pipe 21 can be with respect to rotation described in
The tail end of outer knife pipe 11 is inserted in the outer knife pipe 11, and the lateral surface of inner tube end wall 22 of the interior knife pipe 21 can phase
That matches somebody with somebody is fitted on the medial surface of outward appearance end wall 12 of the outer knife pipe 12.
The utility model in the specific implementation, outer tube wall and the outside of inner tube end wall 22 using the interior knife pipe 21
Face and the inner tubal wall of outer knife pipe 11 and the medial surface of outer tube end wall 12 are bonded to each other, and then when the interior knife pipe 21 is in institute
During stating in outer knife pipe 11 relative rotation, the circumferential both sides in the interior edge of a knife 23 are serrated edge and the outer edge of a knife 13
In the circumferential both sides edge that is serrated be mutually twisted, realize shearing, so as to shearing rapidly and efficiently, planing lesion it is soft
Tissue；It is strong that edge between the interior edge of a knife 23 and the outer edge of a knife 13 rotates against the snap-in force staggeredly produced, it is easy to removes soft
Tissue, it is more efficient, efficiently and thoroughly soft tissue can be removed totally, greatly improve procedure efficiency and success rate,
And it is simple to operate, it is easy to control, effectively reduce surgical errors, be conducive to lifting operation quality.
The axial length of the interior edge of a knife 23 is not less than the axial length of the outer edge of a knife 13, and then ensure that whole
The outer edge of a knife can be effectively utilized, and the sawtooth in the outer edge of a knife 13 on both sides of the edge and the interior knife
Sawtooth mutual dislocation in mouth 23 on both sides of the edge, raising shear ability is mutually sheared using the sawtooth of mutual dislocation.
The driving being fixedly installed greater diameter than the interior external diameter of knife pipe 21 of the tail end of the interior knife pipe 21 coaxially
A negative pressure connected with the inner orifice of the interior knife pipe 21 is radially offered on handle 24, and the axial plane of the driving handle 24 to be connected
Mouth 25, negative pressure device is connected using the negative pressure connector 25, and then makes to produce condition of negative pressure in the interior edge of a knife 23, is realized
The tissue got off of being planed after the interior edge of a knife 23 is mutually sheared with the outer edge of a knife 13 is siphoned away from the interior knife pipe 21, discharged, no
The interior edge of a knife 23 can be caused to block.
Being offered on the axial end of the driving handle 24 is used for and driving source（Power handle）Linkage is in criss-cross
Otch 26.
The tail end of the outer knife pipe 11 being fixedly installed coaxially one is fixedly connected with handle 14, and handle is fixedly connected with using described
14 are fixedly installed to the outer knife pipe 11 on foramen intervertebrale lens.
The interior knife pipe 21 and outer knife pipe 11 are made using titanium alloy material, it is ensured that the hardness of planing structure,
Thimerosal irrigation and disinfection can be used, high-temperature sterilization can also be used.
Described in synthesis, the technical solution of the utility model can complete above-mentioned utility model purpose with sufficiently effective, and
Structural principle of the present utility model and the principle of work and power have all sufficiently been verified in embodiment, and can reach expected work(
Effect and purpose, and embodiment of the present utility model can also enter line translation according to these principles, therefore, the utility model includes one
Cut all replacement contents in the range of being previously mentioned in claim.Any institute in present utility model application the scope of the claims
Within the equivalence changes of work, the scope of the claims for all belonging to this case application.
Claims (8)
1. Knife for stripping cable under a kind of foramen intervertebrale lens, it includes outer knife and interior knife, it is characterised in that：The outer knife includes circular tube shaped
Outer knife pipe, the front end of the outer knife pipe, which is provided with spherical outer tube end wall, the front end tube wall of the outer knife pipe, offers one section
The circumferential both sides of the edge axially penetrated through in the outer edge of a knife of the outer tube end wall, the outer edge of a knife corresponding to the outer knife pipe are in saw
Dentation；The interior knife includes the interior knife pipe of circular tube shaped, and the front end of the interior knife pipe is provided with spherical inner tube end wall, the interior knife
Offer in one section of interior edge of a knife for axially penetrating through said inner tube end wall, the interior edge of a knife and correspond in described on the front end tube wall of pipe
The circumferential both sides of the edge of knife pipe are serrated；The internal diameter of the external diameter of the interior knife pipe and the outer knife pipe matches, described interior
Knife pipe can be inserted in the outer knife pipe with respect to the tail end from the outer knife pipe of rotation, and outside the inner tube end wall of the interior knife pipe
What side can match is fitted on the outward appearance end wall medial surface of the outer knife pipe.
2. Knife for stripping cable under the foramen intervertebrale lens as described in claim 1, it is characterised in that：In the spherical outer tube end wall
Heart point is located on the central axis of the outer knife pipe, and the external diameter of the diameter of the outer tube end wall and the outer knife pipe matches；
The central point of spherical said inner tube end wall be located at the interior knife pipe central axis on, and the diameter of said inner tube end wall with
The external diameter of the interior knife pipe matches.
3. Knife for stripping cable under the foramen intervertebrale lens as described in claim 2, it is characterised in that：The axial length of the interior edge of a knife is not small
In the axial length of the outer edge of a knife.
4. Knife for stripping cable under the foramen intervertebrale lens as described in claim 3, it is characterised in that：The tail end of the interior knife pipe is fixedly installed
There is the driving handle greater diameter than the interior knife pipe external diameter, and one and the interior knife are radially offered on the axial plane of the driving handle
The negative pressure connector of the inner orifice connection of pipe.
5. Knife for stripping cable under the foramen intervertebrale lens as described in claim 4, it is characterised in that：Opened on the axial end of the driving handle
Provided with for driving source link be in criss-cross otch.
6. Knife for stripping cable under the foramen intervertebrale lens as described in claim 5, it is characterised in that：The tail end of the outer knife pipe consolidating coaxially
Surely it is provided with one and is fixedly connected with handle.
7. Knife for stripping cable under the foramen intervertebrale lens as described in claim 6, it is characterised in that：In the outer edge of a knife on both sides of the edge
Sawtooth and the sawtooth mutual dislocation on both sides of the edge in the interior edge of a knife.
8. Knife for stripping cable under the foramen intervertebrale lens as described in claim 7, it is characterised in that：The interior knife pipe and outer knife pipe are
Titanium alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621230491.XU CN206597043U (en) | 2016-11-16 | 2016-11-16 | Knife for stripping cable under foramen intervertebrale lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621230491.XU CN206597043U (en) | 2016-11-16 | 2016-11-16 | Knife for stripping cable under foramen intervertebrale lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206597043U true CN206597043U (en) | 2017-10-31 |
Family
ID=60148626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621230491.XU Expired - Fee Related CN206597043U (en) | 2016-11-16 | 2016-11-16 | Knife for stripping cable under foramen intervertebrale lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206597043U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109431577A (en) * | 2018-10-24 | 2019-03-08 | 无锡市大华激光设备有限公司 | A kind of operation vacuum suction planing system |
| CN111345870A (en) * | 2018-12-24 | 2020-06-30 | 爱科凯能科技（北京）股份有限公司 | High-efficiency soft tissue planing device |
-
2016
- 2016-11-16 CN CN201621230491.XU patent/CN206597043U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109431577A (en) * | 2018-10-24 | 2019-03-08 | 无锡市大华激光设备有限公司 | A kind of operation vacuum suction planing system |
| CN111345870A (en) * | 2018-12-24 | 2020-06-30 | 爱科凯能科技（北京）股份有限公司 | High-efficiency soft tissue planing device |
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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: 20171031 Termination date: 20181116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |