CN110141311A - A kind of peeling knife - Google Patents
A kind of peeling knife Download PDFInfo
- Publication number
- CN110141311A CN110141311A CN201810144158.4A CN201810144158A CN110141311A CN 110141311 A CN110141311 A CN 110141311A CN 201810144158 A CN201810144158 A CN 201810144158A CN 110141311 A CN110141311 A CN 110141311A
- Authority
- CN
- China
- Prior art keywords
- needle tube
- inner needle
- blade
- needle tubing
- outer needle
- 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.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
-
- 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
- A61B17/3211—Surgical scalpels, knives; Accessories therefor
Abstract
The present invention provides a kind of peeling knifes, including outer needle tubing, inner needle tube, it is characterized by: the outer needle tubing front is equipped with cutter groove mouth, the front end of the cutter groove mouth is equipped with outer needle tubing blade, the front end of the inner needle tube is equipped with inner needle tube blade, the inner needle tube blade is waveform, the wave period of the waveform blade of the inner needle tube is 1 or 1 or more, the outer needle tubing covers outside the inner needle tube, the inner needle tube and the outer needle tubing have a common axial line, the inner needle tube is rotationally advancing retrogressing around the axial line or retreats along the axial line straight ahead, peeling knife of the present invention can prevent from failing because of tissue substance peeling knife swaging clamp phenomenon caused by effectively cutting is involved in inner needle tube and outer needle tubing crack so as to cause tissue substance, it is also possible to prevent generate tear injury tissue due to failing to cut off tissue substance completely The phenomenon that, effective cutting edge length can also be increased, the loss of blade can be reduced, keep peeling knife more durable.
Description
Technical field
The present invention relates to a kind of peeling knife more particularly to a kind of peeling knifes for breast biopsy and biopsy system.
Background technique
The peeling knife of vacuum aided breast biopsy and biopsy system at present on the market exists and cuts when cutting lesion tissue
It cuts not exclusively, is easy to appear and tears injury tissue, the stuck rotary cutter of tissue substance, the edge of a knife is passivated and interrupts phenomena such as performing the operation.
Without blade in the cutter groove of the outer needle tubing of current peeling knife existing on the market.
The inner needle tube edge of a knife of current peeling knife existing on the market is round flat mouth or round angle, is rectilinear edge,
In the case where inner needle tube same diameter, effective cutting edge length of the wave edge of a knife of the invention is than the existing edge of a knife on the market
Blade is longer.
Summary of the invention
Based on the deficiencies of the prior art, inefficiency, the purpose of innovation and creation of the present invention provide a kind of peeling knife, can be to prevent
Only because tissue substance fails peeling knife swaging clamp caused by effectively cutting is involved in inner needle tube and outer needle tubing crack so as to cause tissue substance
Phenomenon is also possible to prevent to increase effectively because failing to generate due to cutting off tissue substance completely the phenomenon that tearing injury tissue
Cutting edge length can reduce the loss of blade, keep peeling knife more durable.
To achieve the goals above, the present invention provides a kind of peeling knifes, including outer needle tubing, inner needle tube, it is characterised in that:
The outer needle tubing front is equipped with cutter groove mouth, and the front end of the cutter groove mouth is equipped with outer needle tubing blade, and the front end of the inner needle tube is equipped with
Inner needle tube blade, the inner needle tube blade are waveform, the wave period of the waveform blade of the inner needle tube be 1 or
1 or more, the outer needle tubing covers outside the inner needle tube, and the inner needle tube and the outer needle tubing have a common axial line,
The inner needle tube is rotationally advancing retrogressing around the axial line or retreats along the axial line straight ahead.
As the improvement of peeling knife of the present invention, the cutter groove mouth of the outer needle tubing of peeling knife of the present invention and the axle center
The parallel both sides of line are equipped with outer needle tubing blade.
As the improvement of peeling knife of the present invention, the outer needle tubing blade of the outer needle tubing of peeling knife of the present invention with it is described
Sample tap is formed between the waveform blade of the inner needle tube of inner needle tube.
As the improvement of peeling knife of the present invention, the waveform blade of the inner needle tube of peeling knife of the present invention it is adjacent
The angle formed between straight line between peaks and troughs, and the cross section of the outer needle tubing is α, the α degree be greater than etc.
In 0 ° less than 90 °.
As the improvement of peeling knife of the present invention, the wave of the waveform blade of the inner needle tube of peeling knife of the present invention
Period is 2, and the α degree is 45 °.
Compared with prior art, the invention has the following advantages: can prevent from failing effectively to cut because of tissue substance
It is involved in peeling knife swaging clamp phenomenon caused by inner needle tube and outer needle tubing crack so as to cause tissue substance, is also possible to prevent because having failed
Entirely cut off tissue substance and generate the phenomenon that tearing injury tissue, effective cutting edge length can also be increased, knife can be reduced
The loss of sword keeps peeling knife more durable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of peeling knife preferred embodiment of the present invention.
Fig. 2 is the usage state diagram of peeling knife preferred embodiment of the present invention.
Fig. 3 is the structural schematic diagram of the outer needle tubing of peeling knife preferred embodiment of the present invention.
Fig. 4 is the enlarged drawing of the front end of the outer needle tubing of peeling knife preferred embodiment of the present invention.
Fig. 5 is the structural schematic diagram of the inner needle tube of peeling knife preferred embodiment of the present invention.
Fig. 6 is the enlarged drawing of the front end of the inner needle tube of peeling knife preferred embodiment of the present invention.
Specific embodiment
Peeling knife of the present invention is suitable for breast biopsy and biopsy system.
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the preferred embodiment of the present invention is described in detail peeling knife.
To achieve the goals above, the present invention provides a kind of peeling knifes, it is characterised in that: outer 1 front of needle tubing is set
There is cutter groove mouth 1.1, the front end of the cutter groove mouth 1.1 is equipped with outer needle tubing blade 1.1.1, and the front end of the inner needle tube 2 is equipped with interior needle
Pipe blade 2.1, the inner needle tube blade 2.1 are waveform, the wave period of the waveform blade 2.1 of the inner needle tube 2
It is 2, for 1 set of the outer needle tubing outside the inner needle tube 2, the inner needle tube 2 has a common axle center with the outer needle tubing 1
Line, the inner needle tube 2 are rotationally advancing or retreat around the axial line.
In the present embodiment, the wave period of the waveform blade 2.1 of the inner needle tube 2 of peeling knife of the present invention is
2, it is possible, firstly, to make that 2 production technology of the inner needle tube of peeling knife of the present invention is relatively easy and production cost relatively
It is low；Secondly, it is ensured that more stable in 2 course of work of inner needle tube；Effective cutting edge length can finally be increased, it can
To reduce the loss of blade, keep peeling knife more durable, and effectively cutting can be carried out to tissue substance to prevent tissue substance
It is involved in peeling knife swaging clamp phenomenon caused by the inner needle tube and the outer needle tubing crack, is prevented because failing to cut off tissue substance completely
And the phenomenon that tearing injury tissue of generation.
In other embodiments, the inner needle tube 2 of peeling knife of the present invention is along the axial line straight ahead or retrogressing
In the present embodiment, the cutter groove mouth 1.1 of the outer needle tubing 1 of peeling knife of the present invention and the two of the axis parallel
Side is equipped with outer needle tubing blade 1.1.2, and the surrounding of the notch described in this way has blade, it is long can also to increase effective cutting edge in this way
Degree, can reduce the loss of blade, keep peeling knife more durable, and can carry out effectively cutting to tissue substance to prevent group
Fabric is involved in peeling knife swaging clamp phenomenon caused by the inner needle tube and the outer needle tubing crack, prevents because failing to cut off group completely
Fabric and generate the phenomenon that tearing injury tissue.
In the present embodiment, the outer needle tubing blade 1.1.1, the outer needle tubing of the outer needle tubing of peeling knife of the present invention
Sample tap is formed between blade 1.1.2 and the waveform blade 2.1 of the inner needle tube 2.
In the present embodiment, the adjacent peaks of the waveform blade 2.1 of the inner needle tube 2 of peeling knife of the present invention with
The angle formed between straight line between trough, and the cross section of the outer needle tubing 1 is α, and the α degree is 45 °, in the α
Degree is 45 °, and under the premise of ceteris paribus, effective cutting edge of the waveform blade 2.1 of the inner needle tube 2 is long
Spend longest.
Before peeling knife of the present invention enters patient body, the outer needle tubing blade 1.1.1, the outer needle tubing of the outer needle tubing
Notch between blade 1.1.2 and the waveform blade 2.1 of the inner needle tube 2 is closed completely, when peeling knife enters patient
Body reaches at lesion tissue, and according to the size of patient's lesion tissue, the inner needle tube 2 is retreated, and opens the institute of the outer needle tubing
State the institute between outer needle tubing blade 1.1.1, the outer needle tubing blade 1.1.2 and the waveform blade 2.1 of the inner needle tube 2
Sample tap is stated, the lumen of the inner needle tube 2 is connected to the lumen of outer needle tubing 1 at this time, and under the action of vacuum, lesion tissue enters
The sample tap, under the drive of transmission system, the inner needle tube 2 is rotationally advancing around the axial line, in the inner needle tube 2
The outer needle tubing blade 1.1.1 of the waveform blade 2.1 and the outer needle tubing, the outer needle tubing blade 1.1.2 match
It closes lower while cutting lesion tissue, when the waveform blade 2.1 of the inner needle tube 2 is rotationally advancing through the outer needle tubing 1
Front end the outer needle tubing blade 1.1 when, complete lesion tissue cutting, during above-mentioned cutting.
Compared with prior art, the invention has the following advantages: can prevent from failing effectively to cut because of tissue substance
It is involved in peeling knife swaging clamp phenomenon caused by inner needle tube and outer needle tubing crack so as to cause tissue substance, is also possible to prevent because having failed
Entirely cut off tissue substance and generate the phenomenon that tearing injury tissue, effective cutting edge length can also be increased, knife can be reduced
The loss of sword keeps peeling knife more durable.
Above disclosed is only presently preferred embodiments of the present invention, cannot limit the right of the present invention with this certainly
Range, therefore according to equivalent variations made by scope of the present invention patent, still belong to the scope that the present invention is covered.
Claims (5)
1. a kind of peeling knife, including outer needle tubing, inner needle tube, it is characterised in that: the outer needle tubing front is equipped with cutter groove mouth, the knife
The front end of notch is equipped with outer needle tubing blade, and the front end of the inner needle tube is equipped with inner needle tube blade, and the inner needle tube blade is wave
Shape, the wave period of the waveform blade of the inner needle tube are 1 or 1 or more, and the outer needle tubing is covered in the interior needle
Pipe is outer, and the inner needle tube and the outer needle tubing have a common axial line, and the inner needle tube is before axial line rotation
It is retreated into retrogressing or along the axial line straight ahead.
2. cutter according to claim 1, it is characterised in that: the cutter groove mouth and the axial line of the outer needle tubing are flat
Capable both sides are equipped with outer needle tubing blade.
3. peeling knife according to claim 1 or 2, it is characterised in that: the outer needle tubing blade of the outer needle tubing and institute
It states and forms sample tap between the waveform blade of the inner needle tube of inner needle tube.
4. peeling knife according to claim 3, it is characterised in that: the adjacent wave of the waveform blade of the inner needle tube
The angle formed between straight line between peak and trough, and the cross section of the outer needle tubing is α, the α degree be more than or equal to
0 ° less than 90 °.
5. peeling knife according to claim 4, it is characterised in that: the wave week of the waveform blade of the inner needle tube
Phase is 2, and the α degree is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810144158.4A CN110141311A (en) | 2018-02-12 | 2018-02-12 | A kind of peeling knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810144158.4A CN110141311A (en) | 2018-02-12 | 2018-02-12 | A kind of peeling knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110141311A true CN110141311A (en) | 2019-08-20 |
Family
ID=67589057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810144158.4A Pending CN110141311A (en) | 2018-02-12 | 2018-02-12 | A kind of peeling knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110141311A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110537941A (en) * | 2019-09-17 | 2019-12-06 | 哈尔滨理工大学 | Rotary oblique cutting biopsy needle |
| CN112294372A (en) * | 2019-11-28 | 2021-02-02 | 周锡飞 | Surgical biopsy scalpel |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101500497A (en) * | 2006-07-07 | 2009-08-05 | 伊西康内外科公司 | A surgical stapling instrument and a staple cartridge and staple for such an instrument |
| CN201612675U (en) * | 2010-03-04 | 2010-10-27 | 王海涛 | Novel and multifunctional pneumothorax puncture needle |
| CN203619598U (en) * | 2013-10-30 | 2014-06-04 | 上海导向医疗系统有限公司 | Scissor type rotary scalpel |
| CN104983453A (en) * | 2015-07-30 | 2015-10-21 | 李东林 | Uterine fibroid or uterine body rotary cutting grinder |
| KR20160054642A (en) * | 2014-11-06 | 2016-05-17 | (주)세원메디텍 | Shaver for removing body tissue and Tissue removing device having the shaver |
| CN208769928U (en) * | 2018-02-12 | 2019-04-23 | 杨剑鹏 | A kind of peeling knife |
-
2018
- 2018-02-12 CN CN201810144158.4A patent/CN110141311A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101500497A (en) * | 2006-07-07 | 2009-08-05 | 伊西康内外科公司 | A surgical stapling instrument and a staple cartridge and staple for such an instrument |
| CN201612675U (en) * | 2010-03-04 | 2010-10-27 | 王海涛 | Novel and multifunctional pneumothorax puncture needle |
| CN203619598U (en) * | 2013-10-30 | 2014-06-04 | 上海导向医疗系统有限公司 | Scissor type rotary scalpel |
| KR20160054642A (en) * | 2014-11-06 | 2016-05-17 | (주)세원메디텍 | Shaver for removing body tissue and Tissue removing device having the shaver |
| CN104983453A (en) * | 2015-07-30 | 2015-10-21 | 李东林 | Uterine fibroid or uterine body rotary cutting grinder |
| CN208769928U (en) * | 2018-02-12 | 2019-04-23 | 杨剑鹏 | A kind of peeling knife |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110537941A (en) * | 2019-09-17 | 2019-12-06 | 哈尔滨理工大学 | Rotary oblique cutting biopsy needle |
| CN112294372A (en) * | 2019-11-28 | 2021-02-02 | 周锡飞 | Surgical biopsy scalpel |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200610 Address after: 510030 room 13h, No.76, Xianlie Middle Road, Yuexiu District, Guangzhou City, Guangdong Province Applicant after: Jianke Technology (Guangzhou) Co.,Ltd. Address before: 528061 A 301 in Wanke City, No. 55 Yanjiang Road, Nanzhuang Town, Chancheng District, Foshan City, Guangdong Province Applicant before: Yang Jianpeng |
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| TA01 | Transfer of patent application right |