CN203749508U - Operating knife - Google Patents
Operating knife Download PDFInfo
- Publication number
- CN203749508U CN203749508U CN201420094501.6U CN201420094501U CN203749508U CN 203749508 U CN203749508 U CN 203749508U CN 201420094501 U CN201420094501 U CN 201420094501U CN 203749508 U CN203749508 U CN 203749508U
- Authority
- CN
- China
- Prior art keywords
- shearing
- cutter head
- knife
- shearing blade
- blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000010008 shearing Methods 0.000 claims abstract description 63
- 238000007789 sealing Methods 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000741 silica gel Substances 0.000 claims description 9
- 229910002027 silica gel Inorganic materials 0.000 claims description 9
- 230000008520 organization Effects 0.000 claims description 7
- 210000005036 nerve Anatomy 0.000 abstract description 7
- 230000006378 damage Effects 0.000 abstract description 6
- 208000027418 Wounds and injury Diseases 0.000 abstract description 4
- 208000014674 injury Diseases 0.000 abstract description 3
- 210000004369 blood Anatomy 0.000 abstract 1
- 210000004204 blood vessel Anatomy 0.000 description 9
- 230000003902 lesion Effects 0.000 description 8
- 230000007547 defect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001537 neural effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004299 exfoliation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model discloses an operating knife and belongs to the technical field of medical instruments. The operating knife comprises a hand shank, a knife bar and a knife head, wherein the hand shank, the knife bar and the knife head are connected together. The knife rod is provided with a hollow cavity. The knife head comprises a cutting knife head and a shearing knife head which are hinged together. The cutting knife head is provided with a front cutting blade and a rear shearing blade in an opposite mode. The shearing knife head is provided with a front shearing blade corresponding to the rear shearing blade. The shearing knife head is provided with an arc-shaped guiding wing relative to the front shearing blade. One end, far from the front shearing blade, of the shearing knife head is a control end and extends into the hollow cavity of the knife bar. The control end is connected with a control mechanism for controlling the front shearing blade and the rear shearing blade to open and close. By the adoption of the operating knife, nerves and bloods can be separated when the operating knife is used for cutting nidus tissues, and a patient can be protected against meaningless injury; besides, the operating knife has a shearing function, the application range of the operating knife is expanded, and the operating knife is widely applied to clinical operations.
Description
Technical field
This utility model relates to technical field of medical instruments, relates in particular to a kind of scalpel.
Background technology
Operation is the important means of clinical treatment.Clinically, the excision of intracavity lesion tissue is mainly excised by doctor at present by rule of thumb, first need nerve and blood vessel exfoliation initial position, then scalpel is stretched into the space of the below of lesion tissue, removal of lesions was tissue, in whole process, if the edge of a knife of opening is smaller, doctor cannot see the position of lesion tissue, therefore need a plurality of scalpels to work good, otherwise easily neural and blood vessel are damaged, and scalpel only has the effect of excision conventionally, function singleness, run into and wipe out the cooperation that needs shears when some is organized, need undoubtedly to increase the area of wound, to patient, cause larger injury.
Therefore, based on above-mentioned defect, in technical field of medical instruments, for surgical knife, still there is research and improved demand, this is also study hotspot and emphasis in current technical field of medical instruments, the starting point that this utility model is accomplished especially and power place.
Utility model content
For many defects of above-mentioned existence, the inventor, through a large amount of further investigations, after having paid sufficient creative work, thereby has completed this utility model.
Particularly, technical problem to be solved in the utility model is: a kind of scalpel is provided, when cutting lesion tissue, leads out nerve and blood vessel, avoid patient to be subject to more major injury, and have shearing function, expanded the purposes of scalpel.
For solving the problems of the technologies described above, the technical solution of the utility model is, a kind of scalpel is provided, described scalpel comprises the hands handle linking together, knife bar and cutter head, described knife bar has hollow cavity, described cutter head comprises hinged cutter head and shearing cutter head, described cutter head is fixedly installed on described knife bar, described cutter head is provided with front cutting edge portion away from a side of described shearing cutter head, relatively with described front cutting edge portion on described cutter head be provided with rear shearing blade, correspondingly with described rear shearing blade on described shearing cutter head be provided with front shearing blade, the guiding wing that be provided with arc relative to described front shearing blade on described shearing cutter head, described shearing cutter head is control end and the hollow cavity that stretches into described knife bar away from one end of described front shearing blade, described control end connects the controlling organization of a described front shearing blade of control and the folding of rear shearing blade.
In scalpel of the present utility model, as a kind of optimal technical scheme, described controlling organization comprises a rigidity connecting rod that runs through described hollow cavity, the hinged described control end in described rigidity connecting rod one end, the other end stretches out described hollow cavity and stretches out described handle, the end of described handle is rotatablely equipped with an adjusting nut, and described adjusting nut has a screwed hole, and described rigidity connecting rod passes described screwed hole and is threaded with described adjusting nut.
In scalpel of the present utility model, as a kind of optimal technical scheme, between described shearing cutter head and knife bar, be provided with potted component.
In scalpel of the present utility model, as a kind of optimal technical scheme, described potted component comprises silica gel sealing ring, and the inner ring of described silica gel sealing ring and the control end of described shearing cutter head are tightly connected, and the outer ring of described silica gel sealing ring is connected with described tool bar sealing.
Adopted technique scheme, the beneficial effects of the utility model are: owing to being provided with cutter head and shearing cutter head, not only make scalpel can meet the function of removal of lesions was tissue, can also realize shearing function, expanded the purposes of scalpel; Again owing to being provided with the guiding wing on shearing cutter head, can when operation, nerve and blood vessel be opened by guiding flyer lead in advance, avoid nerve and blood vessel when cutting to come to harm.
Due to the rigidity connecting rod adjusting nut that is threaded, realized shear action, more traditional use spring and rope drive advantage more obvious, when leading out neural and blood vessel, shearing cutter head can be not stressed and be offset, can lead out smoothly nerve and blood vessel, be unlikely to come to harm when cutting lesion tissue.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment;
Fig. 2 is the using state schematic diagram of this utility model embodiment;
Fig. 3 is the partial enlarged drawing of A portion in Fig. 1.
Wherein, in Fig. 1, Fig. 2 and Fig. 3, each number designation refers to respectively following concrete meaning, element or parts.
In figure: 1, hands handle; 2, knife bar; 3, cutter head; 31, front cutting edge portion; 32, rear shearing blade; 4, shearing cutter head; 41, the guiding wing; 42, front shearing blade; 43, control end; 5, rigidity connecting rod; 6, adjusting nut.
The specific embodiment
Below in conjunction with accompanying drawing; by specific embodiment this utility model is elaborated; but the purposes of these property enumerated embodiments and object are only used for enumerating this utility model; not real protection scope of the present utility model is formed to any type of any restriction, more non-protection domain of the present utility model is confined to this.
As Fig. 1, shown in Fig. 2 and Fig. 3 are common, scalpel described in the utility model, comprise the handle 1 linking together, knife bar 2 and cutter head, knife bar 2 has hollow cavity, cutter head comprises hinged cutter head 3 and shearing cutter head 4, cutter head 3 is fixedly installed on knife bar 2, cutter head 3 is provided with front cutting edge portion 31 away from a side of shearing cutter head 4, relatively with front cutting edge portion 31 on cutter head 3 be provided with rear shearing blade 32, correspondingly with rear shearing blade 32 on shearing cutter head 4 be provided with front shearing blade 42, the guiding wing 41 that be provided with arc relative to front shearing blade 42 on shearing cutter head 4, the arc of the guiding wing 41 bends outward, away from front shearing blade 42, can be before cutting lesion tissue, first near nerve and blood vessel are led out, make it to avoid coming to harm, shearing cutter head 4 is control end 43 and the hollow cavity that stretches into knife bar 2 away from one end of front shearing blade 42, control end 43 connects one and controls the front controlling organization of shearing blade 42 and rear shearing blade 32 foldings.Controlling organization comprises a rigidity connecting rod 5 that runs through hollow cavity, the rigidity connecting rod 5 hinged control ends 43 in one end, the other end stretches out hollow cavity and stretches out handle 1, the end of handle 1 is rotatablely equipped with an adjusting nut 6, and adjusting nut 6 one end are inserted in handle 1, and the other end exposes handle 1, outer surface is made into outer-hexagonal shape or produces annular knurl, with handled easily person, rotate, adjusting nut 6 has a screwed hole, and rigidity connecting rod 5 passes screwed hole and is threaded with adjusting nut 6.
Certainly, controlling organization also can be selected other mode, traditional control mode adopts pulled by cable to shear, rely on spring reset, but when leading out neural and blood vessel, the easy stress deformation of spring, cause mistake to be sheared, therefore inventor, through a large amount of creative works, has used rigidity connecting rod 5, has overcome this defect.
Between shearing cutter head 4 and knife bar 2, be provided with potted component, potted component comprises silica gel sealing ring, and the control end 43 of the inner ring of silica gel sealing ring and shearing cutter head 4 is tightly connected, and the outer ring of silica gel sealing ring and knife bar 2 are tightly connected, make cutting part and operating side isolation, avoided pollution.
Although for for example and the object of description, and introduced structure and processing procedure shown in above-mentioned embodiment of the present utility model and accompanying drawing.But these are not detailed descriptions, scope of the present utility model can not be confined to this.For a person skilled in the art, can make numerous modifications and variations to above-mentioned embodiment of the present utility model, and these all modifications and/or variation are all included in as within claim limited range of the present utility model, do not depart from the scope and spirit of the present utility model that limit as claim.
Claims (4)
1. scalpel, comprise the hands handle linking together, knife bar and cutter head, it is characterized in that, described knife bar has hollow cavity, described cutter head comprises hinged cutter head and shearing cutter head, described cutter head is fixedly installed on described knife bar, described cutter head is provided with front cutting edge portion away from a side of described shearing cutter head, relatively with described front cutting edge portion on described cutter head be provided with rear shearing blade, correspondingly with described rear shearing blade on described shearing cutter head be provided with front shearing blade, the guiding wing that be provided with arc relative to described front shearing blade on described shearing cutter head, described shearing cutter head is control end and the hollow cavity that stretches into described knife bar away from one end of described front shearing blade, described control end connects the controlling organization of a described front shearing blade of control and the folding of rear shearing blade.
2. scalpel as claimed in claim 1, it is characterized in that, described controlling organization comprises a rigidity connecting rod that runs through described hollow cavity, the hinged described control end in described rigidity connecting rod one end, the other end stretches out described hollow cavity and stretches out described handle, the end of described handle is rotatablely equipped with an adjusting nut, and described adjusting nut has a screwed hole, and described rigidity connecting rod passes described screwed hole and is threaded with described adjusting nut.
3. scalpel as claimed in claim 2, is characterized in that, between described shearing cutter head and knife bar, is provided with potted component.
4. scalpel as claimed in claim 3, is characterized in that, described potted component comprises silica gel sealing ring, and the inner ring of described silica gel sealing ring and the control end of described shearing cutter head are tightly connected, and the outer ring of described silica gel sealing ring is connected with described tool bar sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420094501.6U CN203749508U (en) | 2014-02-26 | 2014-02-26 | Operating knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420094501.6U CN203749508U (en) | 2014-02-26 | 2014-02-26 | Operating knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203749508U true CN203749508U (en) | 2014-08-06 |
Family
ID=51244817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420094501.6U Expired - Fee Related CN203749508U (en) | 2014-02-26 | 2014-02-26 | Operating knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203749508U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106963454A (en) * | 2017-03-31 | 2017-07-21 | 刘旭 | Pin knife |
| CN111096770A (en) * | 2019-12-31 | 2020-05-05 | 于海洋 | Intervertebral disc cutter |
| CN112603472A (en) * | 2020-12-22 | 2021-04-06 | 迟立群 | Quantitative myocardial tissue excision shovel |
-
2014
- 2014-02-26 CN CN201420094501.6U patent/CN203749508U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106963454A (en) * | 2017-03-31 | 2017-07-21 | 刘旭 | Pin knife |
| CN106963454B (en) * | 2017-03-31 | 2023-07-04 | 刘旭 | Needle knife |
| CN111096770A (en) * | 2019-12-31 | 2020-05-05 | 于海洋 | Intervertebral disc cutter |
| CN112603472A (en) * | 2020-12-22 | 2021-04-06 | 迟立群 | Quantitative myocardial tissue excision shovel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20150226 |
|
| EXPY | Termination of patent right or utility model |