CN203468646U - Hand-operated rotary-cut type pathologic biopsy puncture needle - Google Patents
Hand-operated rotary-cut type pathologic biopsy puncture needle Download PDFInfo
- Publication number
- CN203468646U CN203468646U CN201320429665.5U CN201320429665U CN203468646U CN 203468646 U CN203468646 U CN 203468646U CN 201320429665 U CN201320429665 U CN 201320429665U CN 203468646 U CN203468646 U CN 203468646U
- Authority
- CN
- China
- Prior art keywords
- needle
- groove
- closing member
- stylophore
- nook closing
- 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
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides a hand-operated rotary-cut type pathological biopsy puncture needle which comprises a needle sheath, a needle core and a needle handle; scales are arranged on the needle sheath so as to ensure the accuracy of puncture; an inclined plane is arranged at the front end of each of the needle sheath and the needle core; a groove is formed in the rear part of the needle sheath and close to one inclined plane as well as in a corresponding position of the needle core, wherein the groove of the needle core is trapezoidal, and the groove of the needle sheath is arc-shaped; a small sharp cutter is formed in the side edge of the groove of the needle core; the direction of the opening of the groove in the needle sheath is the same as that of the inclined plane on the needle sheath; the direction of the opening of the groove in the needle core is opposite to that of the inclined plane of the needle core. The hand-operated rotary-cut type pathological biopsy puncture needle has the benefits that during the process that the puncture needle enters human tissues, the groove of the needle core can cover the groove of the needle sheath, so that the injuries caused by the groove of the needle sheath to normal tissues which are passed can be reduced; during the process that the puncture needle is pulled out, the taken tissues can not drop, so that the success rate of puncture can be improved; in addition, the scales are arranged on the needle sheath, the needle entering depth can be controlled according to the required sampling amount.
Description
Technical field
This utility model relates to the puncture needle in a kind of surgical medical equipment, is specifically related to a kind of manual rotary-cutting type pathology biopsy puncture needle.
Background technology
Pathological biopsy is very important a kind of tumor diagnosis and treatment mode clinically, by lancet puncture suspicious lesions, organizes, and cuts a small amount of pathological tissues, by observing pathological change, determines lesion nature.It,, except as diagnosing tumor, is also widely used in the diagnosis of particularity inflammation and other abnormality diseases.Current existing puncture needle adopts the mode that hooks modus ponens to carry out sample of tissue more, function singleness, and this sampling mode pathological tissues that can only take a morsel, can not control the size of sampling tissue, affects the success rate of Biopsy.Although also there is manual rotary-cutting type biopsy needle in prior art, for example application number is 85203722 utility models that are called groove shape puncture needle, its mechanism comprises needle tubing and nook closing member, the stria of the wide 0.2mm of needle tubing front cutting one, long 2cm, there is blade stria both sides, and injector head is bimodal pointed, and nook closing member front end is that unimodal formula is pointed, the shortcoming of this utility model is that the stria of needle tubing front end is narrow and enters treating in groove and get and organize seldom, affects the success rate of Biopsy.And because the front end of needle tubing is open, so outwards extract in the process of puncture needle, the tissue cutting down may drop out from needle tubing, and makes puncture failure.
Utility model content
In order to solve above-mentioned the deficiencies in the prior art, the invention provides a kind of manual rotary-cutting type pathology biopsy puncture needle, adopt the mode of rotary-cut to carry out sample of tissue, can complete primary structure sampling, can control sample size by controlling depth and opening grooving length again, improve sampling accuracy and puncture success rate.
In order to achieve the above object, the technical scheme that this utility model is taked is as follows:
A manual rotary-cutting type pathology biopsy puncture needle, comprises syringe needle, stylophore, and nook closing member, needle handle, has scale on stylophore, guaranteed the accuracy of puncture, and paracentesis depth difference has the puncture needle of different length.Described nook closing member is real core, stylophore is the tubulose of hollow, wherein the front end of stylophore and nook closing member is an inclined-plane, nook closing member when rotating nook closing member to correct position after stylophore fit described in two inclined-planes overlap, be convenient to puncture needle and enter tissue, the inclined-plane of described stylophore and nook closing member forms syringe needle, in rear stylophore and nook closing member corresponding position near described inclined-plane, respectively have a groove, wherein nook closing member groove position is trapezoidal, stylophore groove is arc, the length of groove can have Multiple Type, wherein the both sides of nook closing member groove are blade, channel opening direction on stylophore is identical with stylophore ramp direction, channel opening direction on nook closing member and nook closing member ramp opposite direction, the size of groove is for when being threaded to opposite direction by the channel opening on the trapezoidal groove opening on nook closing member and stylophore, trapezoidal groove on nook closing member can cover the channel opening on stylophore, when puncture needle enters in the process of tissue, the position that the groove rotation of nook closing member extremely can be covered the channel opening on stylophore, such structure has reduced the damage of the groove normal tissue on stylophore in inserting needle process, when syringe needle arrives after getting tissue, press hand push button on handle by nook closing member Rotate 180 degree, at this moment wait to get to organize and enter in groove, rotate again nook closing member 180 degree, can get to organize and cut off earnestly and pack in the groove and the formed cavity of the groove on stylophore on nook closing member entering treating in groove, in extracting the process of puncture needle, be obtained and do not organize and can come off like this, improved the success rate of puncture, and owing to there being scale on stylophore, the amount that can sample is as required controlled the degree of depth of inserting needle.
The wherein diameter of puncture needle and length, and groove length can need to be carried out different designs according to different.
Accompanying drawing explanation
Fig. 1 is stylophore and nook closing member mated condition schematic diagram in inserting needle process
Fig. 2 is nook closing member schematic diagram
Fig. 3 is the anterior schematic diagram of stylophore
Fig. 4 is the anterior enlarged drawing of nook closing member
Labelling in figure: 1, stylophore 2, nook closing member 3, nook closing member groove 4, stylophore groove 5, nook closing member groove both sides blade 6, nook closing member front end inclined-plane 7, stylophore front end inclined-plane 8, needle handle 9, hand push button 10, graduation mark
The specific embodiment
Below in conjunction with accompanying drawing, by embodiment, the technical solution of the utility model is described in further detail.
A kind of manual rotary-cutting type pathology biopsy puncture needle, comprise stylophore 1, nook closing member 2, needle handle 8, on stylophore 1, there is scale 10, on needle handle 8, there is hand push button 9, described nook closing member 2 is real cores, stylophore 1 is the tubulose of hollow, wherein the front end of nook closing member 2 and stylophore 1 respectively has an inclined-plane 6, 7, nook closing member 2 when rotating nook closing member to correct position after stylophore 1 fit described in two inclined-planes 6 and 7 overlap, be convenient to puncture needle and enter tissue, the inclined-plane of described stylophore and nook closing member forms syringe needle, near on the rear nook closing member on described inclined-plane, having a trapezoidal groove 3, on stylophore, offer equally a groove 4 with nook closing member groove corresponding position, the length of groove can have Multiple Type, wherein the both sides of nook closing member groove 3 are blade 5, groove 4 opening directions on stylophore are identical with stylophore ramp 7 directions, groove 3 opening directions on nook closing member and nook closing member ramp 6 opposite directions, groove 3, 4 size is for when being threaded to opposite direction by groove 4 openings on 3 openings of the dovetail groove on nook closing member and stylophore, trapezoidal groove 3 on nook closing member can cover the opening of the groove on stylophore 4, when puncture needle enters in the process of tissue, the position that 3 rotations of the groove of nook closing member extremely can be covered 4 openings of the groove on stylophore, such structure has reduced the damage of the groove normal tissue on stylophore in inserting needle process, when syringe needle arrives after getting tissue, press hand push button 9 on handle by nook closing member Rotate 180 degree, at this moment wait to get to organize and enter in groove, press again hand push button 9 rotation nook closing member 180 degree, can get tissue and cut down and pack in the groove and the formed cavity of the groove on stylophore on nook closing member entering treating in groove, in extracting the process of puncture needle, be obtained and do not organize and can come off like this, improved the success rate of puncture, and owing to there being scale 10 on stylophore, the amount that can sample is as required controlled the degree of depth of inserting needle.
Claims (4)
1. a manual rotary-cutting type pathology biopsy puncture needle, comprise stylophore, nook closing member, needle handle, described nook closing member is real core, stylophore is the tubulose of hollow, wherein the front end of nook closing member and stylophore respectively has an inclined-plane, nook closing member when rotating nook closing member to correct position after stylophore fit described in two inclined-planes overlap, the inclined-plane of described stylophore and nook closing member forms syringe needle
It is characterized in that respectively having a groove in rear nook closing member and stylophore corresponding position near described inclined-plane, wherein nook closing member groove is trapezoidal, stylophore groove is arc, channel opening direction on stylophore is identical with stylophore ramp direction, channel opening direction on nook closing member and nook closing member ramp opposite direction, the size of trapezoidal groove is for when being threaded to opposite direction by the slot opening on the slot opening on nook closing member and stylophore, and the trapezoidal groove on nook closing member can cover the opening of the groove on stylophore.
2. manual rotary-cutting type pathology biopsy puncture needle according to claim 1, the both sides that it is characterized in that nook closing member groove are blade.
3. manual rotary-cutting type pathology biopsy puncture needle according to claim 1, is characterized in that on stylophore, there is scale.
4. manual rotary-cutting type pathology biopsy puncture needle according to claim 1, is characterized in that there is hand push button on described needle handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320429665.5U CN203468646U (en) | 2013-07-19 | 2013-07-19 | Hand-operated rotary-cut type pathologic biopsy puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320429665.5U CN203468646U (en) | 2013-07-19 | 2013-07-19 | Hand-operated rotary-cut type pathologic biopsy puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203468646U true CN203468646U (en) | 2014-03-12 |
Family
ID=50217076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320429665.5U Expired - Fee Related CN203468646U (en) | 2013-07-19 | 2013-07-19 | Hand-operated rotary-cut type pathologic biopsy puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203468646U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108464848A (en) * | 2018-05-22 | 2018-08-31 | 杭州丽康医学科技股份有限公司 | A kind of percutaneous transthoracic needle biopsy needle |
| CN111417349A (en) * | 2017-10-24 | 2020-07-14 | 若热·埃内斯托·奥东 | Kit for extracting tissue |
| CN111643127A (en) * | 2020-05-28 | 2020-09-11 | 李九智 | Double-groove tissue biopsy needle |
| CN113729787A (en) * | 2020-05-28 | 2021-12-03 | 上海倍可达医疗科技有限公司 | Biopsy needle assembly |
-
2013
- 2013-07-19 CN CN201320429665.5U patent/CN203468646U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111417349A (en) * | 2017-10-24 | 2020-07-14 | 若热·埃内斯托·奥东 | Kit for extracting tissue |
| CN108464848A (en) * | 2018-05-22 | 2018-08-31 | 杭州丽康医学科技股份有限公司 | A kind of percutaneous transthoracic needle biopsy needle |
| CN111643127A (en) * | 2020-05-28 | 2020-09-11 | 李九智 | Double-groove tissue biopsy needle |
| CN113729787A (en) * | 2020-05-28 | 2021-12-03 | 上海倍可达医疗科技有限公司 | Biopsy needle assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203468646U (en) | Hand-operated rotary-cut type pathologic biopsy puncture needle | |
| KR101275917B1 (en) | Dual purpose pen type device for ultrasound guided fine needle aspiration and core needle biopsy | |
| CN104546120A (en) | Bleeding stop needle core and biopsy needle | |
| CN104173077A (en) | Bile duct tumor biopsy sampling device | |
| CN104665881A (en) | Puncture biopsy sleeve needle-knife for cystic-solid mass | |
| CN202821617U (en) | Electrocoagulation tweezers with magnetic positioning function | |
| CN2899710Y (en) | Biopsy needle | |
| CN202442881U (en) | Multifunctional sampling tool for acquiring aquatic product disease sample | |
| CN201894670U (en) | Electric coagulation cutting tool | |
| CN209734028U (en) | Biopsy sampling and collecting device for clinical medicine | |
| CN210811208U (en) | Clinical puncture sampler for oncology department | |
| CN202184751U (en) | Puncturing device capable of sampling | |
| CN105615928A (en) | Syringe needle | |
| CN204636424U (en) | Wicresoft's pathologic material fetching apparatus | |
| CN101828944B (en) | Focus enucleation device by percutaneous puncture | |
| CN208223846U (en) | A kind of oncology laboratory sampling device | |
| CN213714844U (en) | Clinical sampling device that uses of pathological medicine | |
| CN206597036U (en) | A kind of New-type biopsy puncture needle | |
| CN203417215U (en) | Novel breast tissue biopsy device | |
| CN202859171U (en) | Minimally invasive tumor biopsy sampling device | |
| CN200984196Y (en) | Biopsy device for the sampling and puncturing | |
| CN204106053U (en) | A kind of tumor of bile duct biopsy extraction device | |
| CN220778374U (en) | Tissue sampler | |
| CN201643319U (en) | Surgical knife guide location pin | |
| CN215899741U (en) | Skin disease diagnosis sampling device |
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: 20140312 Termination date: 20140719 |
|
| EXPY | Termination of patent right or utility model |