CN109984776A - Piece needle assemblies - Google Patents
Piece needle assemblies Download PDFInfo
- Publication number
- CN109984776A CN109984776A CN201910288031.4A CN201910288031A CN109984776A CN 109984776 A CN109984776 A CN 109984776A CN 201910288031 A CN201910288031 A CN 201910288031A CN 109984776 A CN109984776 A CN 109984776A
- Authority
- CN
- China
- Prior art keywords
- needle
- pin shaft
- arc side
- piercing portion
- piece 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.)
- Granted
Links
- 230000000712 assembly Effects 0.000 title claims abstract description 17
- 238000000429 assembly Methods 0.000 title claims abstract description 17
- 238000001574 biopsy Methods 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000003466 welding Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001839 endoscopy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004996 female reproductive system Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
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
- A61B10/06—Biopsy forceps, e.g. with cup-shaped jaws
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of needle assemblies, and the pin shaft including piece needle and with the riveting of piece needle, piece needle and pin shaft are arranged in a mutually vertical manner；Piece needle includes the piercing portion for being pierced into tissue and the fixed part that piece needle is fixed on to biopsy forceps, piercing portion and fixed part are located at the opposite both ends of piece needle, fixed part includes connecting hole and pin hole, pin hole is between connecting hole and piercing portion, pin shaft is riveted on pin hole, and the diameter of pin shaft is greater than the internal diameter of pin hole, and piercing portion is defined as front relative to one end of fixed part, the left and right sides of piece needle are bevel edge, and the inclined direction self-fixed department of bevel edge is gradually tilted to the center of piece needle to piercing portion.Pin shaft of the invention is riveted on piece needle, keeps overall structure more stable, and piece needle is not easy to rotate, the wound more organized is caused, the pain of patient is reduced, due to passing through machine riveting between pin shaft and piece needle, simplify production operation, avoid artificial spot welding, saves manpower while saving production cost.
Description
Technical field
The invention belongs to endoscope living body sample of tissue equipment technical fields, more particularly to a kind of needle assemblies.
Background technique
Biopsy forceps is for acquiring upper and lower alimentary canal, respiratory tract, living tissue sample in urinary system and female reproductive system
This tool, is that endoscopy takes the indispensable tool of pathology sample.
Traditional biopsy forceps has two types, and one is the clamping type that end is in scissor-shaped, this type generally passes through
Boosting mechanism drives scissor-shaped clamping apparatus to clamp pathological tissues, and scissor-shaped clamping apparatus can be helped in 360 degree of arbitrarily rotations
Pushing mechanism is generally not flexible tubular metal, cannot be changed shape according to organization of human body, protrude into more difficult tune when human body
Section；And structure is complicated for this kind of biopsy forceps, and cost is relatively high.There are also a kind of for soft lasso trick class, cost is relatively low, since it is adopted
With stone dead wire, outer tube is also flexible insulated hose, therefore can arbitrarily protrude into human body, carries out the variation such as bending.
Disposable biopsy forceps disclosed in 205514704 U of Chinese patent publication No. CN, including bracelet, handle,
Slip ring, through slot, binding clip, outer tube, spring, fixing piece, pliers, drag-line and syringe needle, fixing piece are fixedly arranged at the front end with syringe needle, and pliers can wrap
Syringe needle is covered, one kind is low in cost, easy to connect, is simple to manufacture, samples conveniently disposable living body although providing
Sample pickup tongs, but syringe needle connect with fixing piece it is unstable, syringe needle be easy rotation, in living body sampling, cause the wound more organized
Wound, increases the pain of patient, and existing technology is all that piece needle is fixed on fixing piece front end by artificial spot welding, to increase
Add cost of labor.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of needle assemblies, pin shaft is riveted on piece needle, makes overall structure
More stable, piece needle is not easy to rotate, and causes the wound more organized, and reduces the pain of patient, due to leading between pin shaft and piece needle
Machine riveting is crossed, production operation is simplified, avoids artificial spot welding, saves manpower while saving production cost.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of needle assemblies, including piece needle and
With the pin shaft of described needle riveting, described needle and the pin shaft are arranged in a mutually vertical manner；
Described needle includes being pierced into the piercing portion of tissue and described needle being fixed on to the fixed part of biopsy forceps, described
Piercing portion and the fixed part are located at the described opposite both ends of needle, and the fixed part includes connecting hole and pin hole, described
Pin hole is between the connecting hole and the piercing portion, and the pin shaft is riveted on the pin hole, and the diameter of the pin shaft is big
In the internal diameter of the pin hole；
Piercing portion is defined as front relative to one end of fixed part, the left and right sides of described needle are bevel edge, and tiltedly
The inclined direction on side is gradually tilted to the center of described needle from the fixed part to the piercing portion.
It further says, the front end in the piercing portion is the first arc side, and the rear end of the fixed part is the second arc side, described
Bevel edge includes sequentially connected first straight flange, third arc side, the second straight flange and the 4th arc side, two first straight flanges and described
The connection of first arc side, two articles of the 4th arc sides are connected with second arc side.
It further says, the diameter of the pin shaft is 0.42-0.44mm, and the internal diameter of the pin hole is 0.37-0.41mm, institute
The length for stating pin shaft is 2.26-2.34mm.
Further say, described needle with a thickness of 0.2mm.
It further says, the distance between the pin hole and the connecting hole are 1.065-1.125mm.
Further say, the connecting hole between the piercing of described needle at a distance from be 3.45-3.55mm.
It further says, the radius of the circle where first arc side is 0.08mm.
It further says, the radius of circle where second arc side is 0.79-0.81mm.
It further says, the radius of the circle where the third arc side is 2mm.
It further says, the radius of the circle where the 4th arc side is 1.5mm.
Beneficial effects of the present invention at least have the following:
Piece needle of the invention is fixed on biopsy forceps by the fixing axle of pin shaft and connecting hole center, is fixed by two point form,
Structure is reliable, fixation；
Pin shaft of the invention is riveted on pin hole, and the diameter of pin shaft is made greater than the internal diameter of pin hole by above-mentioned riveting method
Overall structure is more stable, and piece needle is not easy to rotate, and causes the wound more organized, and reduces the pain of patient, with traditional spot welding
It compares, due to, by machine riveting, simplifying production operation between pin shaft and piece needle, avoiding artificial spot welding, saving production cost
While save manpower；
The front end in piercing portion of the invention is the first arc side, and the radius of the circle of the first arc side is 0.08mm, is compared and tradition
It is needle-shaped, not only can guarantee that piercing portion is pierced into tissue, but also can prevent producers during production and medical care people
Member is accidentally injured in use to oneself and other people；
The left and right sides of piece needle of the invention be bevel edge, and the inclined direction self-fixed department of bevel edge to piercing portion gradually to
The center of piece needle tilts, and such structure design is needled into tissue convenient for piece, reduces the pain of patient.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of piece needle of the invention；
Each section label is as follows in attached drawing:
Piece needle 1, piercing portion 11, fixed part 12, the first arc side 13, the second arc side 14, the first straight flange 15, third arc side 16,
Second straight flange 17, the 4th arc side 18, connecting hole 121, pin hole 122, pin shaft 2, the diameter d of pin shaft, the length L1 of pin shaft, the pin
The distance between hole and the connecting hole L2, the connecting hole distance L3, described first between the piercing of described needle
The radius R3 of circle where the radius R1 of circle where arc side, second arc side where the radius R2 of circle, the third arc side
With the radius R4 of the circle where the 4th arc side.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Embodiment: a kind of needle assemblies, as Figure 1-Figure 2, the pin shaft 2 including piece needle 1 and with the riveting of described needle 1,
Described needle 1 and the pin shaft 2 are arranged in a mutually vertical manner；
Described needle 1 includes the piercing portion 11 for being pierced into tissue and the fixed part that described needle 1 is fixed on to biopsy forceps
12, the piercing portion 11 and the piercing portion 11 are located at the described opposite both ends of needle 1, and the piercing portion 11 includes connection
Hole 121 and pin hole 122, between the connecting hole 121 and the piercing portion 11, the pin shaft 2 is riveted on the pin hole 122
The pin hole 122, and the diameter of the pin shaft 2 is greater than the internal diameter of the pin hole 122；
Piercing portion 11 is defined as front relative to one end of fixed part 12, the left and right sides of described needle 1 are bevel edge,
And the inclined direction of bevel edge is gradually tilted to the center of described needle 1 from the fixed part 12 to the piercing portion 11.
When it is implemented, described needle 1 is fixed on the biopsy forceps by the fixing axle at 121 center of pin shaft 2 and connecting hole.
The front end in the piercing portion 11 is the first arc side 13, and the rear end of the fixed part 12 is the second arc side 14, described oblique
While including sequentially connected first straight flange 15, third arc side 16, the second straight flange 17 and the 4th arc side 18, two first straight flanges
15 and first arc side 13 connection, two articles of the 4th arc sides 18 and second arc side 14 connection.
The diameter d of the pin shaft is 0.42-0.44mm, and the internal diameter of the pin hole 122 is 0.37-0.41mm, the pin shaft
Length L1 be 2.26-2.34mm.
Preferably, the diameter d of the pin shaft is 0.42mm, and the internal diameter of the pin hole 122 is 0.4mm, the length of the pin shaft
Degree L1 is 2.3mm.
Described needle 1 with a thickness of 0.2mm.
The distance between the pin hole and the connecting hole L2 are 1.065-1.125mm.
Connecting hole distance L3 between the piercing of described needle is 3.45-3.55mm.
The radius R1 of circle where first arc side is 0.08mm.
The radius R2 of circle where second arc side is 0.79-0.81mm.
The radius R3 of circle where the third arc side is 2mm.
The radius R4 of circle where 4th arc side is 1.5mm.
Working principle of the present invention is as follows: pin shaft is first riveted on to the pin hole of piece needle, piece needle passes through in pin shaft and connecting hole
The fixing axle of the heart is fixed on biopsy forceps, and overall structure is stablized, and piece needle is not easy to rotate, when in use, first by piece needle from the first arc
Side is pierced into tissue, and the left and right sides of piece needle are bevel edge, and the inclined direction self-fixed department of bevel edge to piercing portion gradually to
The center of piece needle tilts, and such structure design is needled into tissue convenient for piece, reduces the pain of patient.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure transformation made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant technical fields,
Similarly it is included within the scope of the present invention.
Claims (10)
1. a kind of needle assemblies, it is characterised in that: the pin shaft (2) including piece needle (1) and with the riveting of described needle, described needle and
The pin shaft is arranged in a mutually vertical manner；
Described needle includes being pierced into the piercing portion (11) of tissue and described needle being fixed on to the fixed part (12) of biopsy forceps,
The piercing portion and the fixed part are located at the described opposite both ends of needle, the fixed part include connecting hole (121) and
Pin hole (122), for the pin hole between the connecting hole and the piercing portion, the pin shaft is riveted on the pin hole, and institute
The diameter for stating pin shaft is greater than the internal diameter of the pin hole；
Piercing portion is defined as front relative to one end of fixed part, the left and right sides of described needle are bevel edge, and bevel edge
Inclined direction is gradually tilted to the center of described needle from the fixed part to the piercing portion.
2. according to claim 1 needle assemblies, it is characterised in that: the front end in the piercing portion is the first arc side (13),
The rear end of the fixed part is the second arc side (14), and the bevel edge includes sequentially connected first straight flange (15), third arc side
(16), the second straight flange (17) and the 4th arc side (18), two first straight flanges are connected with first arc side, and two articles described
Four arc sides are connected with second arc side.
3. according to claim 1 needle assemblies, it is characterised in that: the diameter (d) of the pin shaft is 0.42-0.44mm,
The internal diameter of the pin hole is 0.37-0.41mm, and the length (L1) of the pin shaft is 2.26-2.34mm.
4. according to claim 1 needle assemblies, it is characterised in that: described needle with a thickness of 0.2mm.
5. according to claim 1 needle assemblies, it is characterised in that: the distance between the pin hole and the connecting hole
It (L2) is 1.065-1.125mm.
6. according to claim 1 needle assemblies, it is characterised in that: between the piercing of the connecting hole and described needle
Distance (L3) be 3.45-3.55mm.
7. according to claim 2 needle assemblies, it is characterised in that: the radius (R1) of the circle where first arc side is
0.08mm。
8. according to claim 2 needle assemblies, it is characterised in that: the radius (R2) of circle is where second arc side
0.79-0.81mm。
9. according to claim 2 needle assemblies, it is characterised in that: the radius (R3) of the circle where the third arc side is
2mm。
10. according to claim 2 needle assemblies, it is characterised in that: the radius (R4) of the circle where the 4th arc side
For 1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910288031.4A CN109984776B (en) | 2019-04-11 | 2019-04-11 | Needle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910288031.4A CN109984776B (en) | 2019-04-11 | 2019-04-11 | Needle assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109984776A true CN109984776A (en) | 2019-07-09 |
| CN109984776B CN109984776B (en) | 2024-04-30 |
Family
ID=67133254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910288031.4A Active CN109984776B (en) | 2019-04-11 | 2019-04-11 | Needle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109984776B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0207829A1 (en) * | 1985-06-04 | 1987-01-07 | Jean-Marie Schintgen | Biopsy forceps with a retractable needle |
| CN205831834U (en) * | 2016-06-14 | 2016-12-28 | 杭州安杰思医学科技有限公司 | A kind of activity pincers for puncturing |
| CN206342498U (en) * | 2016-10-12 | 2017-07-21 | 广西昌鑫科技有限公司 | Disposable scissor biopsy needle |
| KR20180079864A (en) * | 2017-01-03 | 2018-07-11 | 고형진 | Needle structure of core biopsy device |
| CN209808416U (en) * | 2019-04-11 | 2019-12-20 | 苏州聚生精密冲件有限公司 | Needle assembly |
-
2019
- 2019-04-11 CN CN201910288031.4A patent/CN109984776B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0207829A1 (en) * | 1985-06-04 | 1987-01-07 | Jean-Marie Schintgen | Biopsy forceps with a retractable needle |
| CN205831834U (en) * | 2016-06-14 | 2016-12-28 | 杭州安杰思医学科技有限公司 | A kind of activity pincers for puncturing |
| CN206342498U (en) * | 2016-10-12 | 2017-07-21 | 广西昌鑫科技有限公司 | Disposable scissor biopsy needle |
| KR20180079864A (en) * | 2017-01-03 | 2018-07-11 | 고형진 | Needle structure of core biopsy device |
| CN209808416U (en) * | 2019-04-11 | 2019-12-20 | 苏州聚生精密冲件有限公司 | Needle assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109984776B (en) | 2024-04-30 |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Fan Inventor after: Yang Zhaolong Inventor before: Yang Zhaolong Inventor before: Wang Fan |
|
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |