CN209474678U - Aspiration biopsy suction device - Google Patents
Aspiration biopsy suction device Download PDFInfo
- Publication number
- CN209474678U CN209474678U CN201821695552.9U CN201821695552U CN209474678U CN 209474678 U CN209474678 U CN 209474678U CN 201821695552 U CN201821695552 U CN 201821695552U CN 209474678 U CN209474678 U CN 209474678U
- Authority
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- China
- Prior art keywords
- piston
- driving bar
- piston driving
- gear shaft
- jack
- 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
- 238000001574 biopsy Methods 0.000 title claims abstract description 23
- 241000719178 Carangoides ruber Species 0.000 claims abstract description 23
- 230000014759 maintenance of location Effects 0.000 claims abstract description 23
- 238000005192 partition Methods 0.000 claims abstract description 11
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 210000004027 cell Anatomy 0.000 description 13
- 238000010586 diagram Methods 0.000 description 5
- 210000000056 organ Anatomy 0.000 description 5
- 210000001519 tissue Anatomy 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000013399 early diagnosis Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001165 lymph node Anatomy 0.000 description 1
- 210000005075 mammary gland Anatomy 0.000 description 1
- 238000010827 pathological analysis Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 210000001685 thyroid gland Anatomy 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Aspiration biopsy suction device, including tube body, piercing needle, piston rod, rubber piston set, piston driving bar and geared parts, the intracorporal space of pipe is separated into piston bar jack and piston driving bar jack by partition, piercing needle is mounted in syringe needle connecting tube, rubber piston set is set in the front end of piston rod, geared parts are rotatably mounted on tube body, piston rod is equipped with piston rod tooth, piston driving bar is equipped with piston driving bar tooth, spring retention posts are equipped in piston driving bar jack, piston driving bar is equipped with spring retention posts jack, it is arranged with piston driving bar on spring retention posts and resets support spring, piston driving bar is equipped with spring fixing groove, spring retention posts are plugged in spring retention posts jack, the upper end that piston driving bar resets support spring is fastened in spring fixing groove, if desired secondary absorption cell, Piston driving bar need to be only decontroled, piston driving bar resets under the action of piston driving bar resets support spring to be moved up, so that easy to use.
Description
Technical field
The utility model relates to the aspiration biopsy suction devices for extracting superficial tissues organ cell.
Background technique
With the continuous development of medical level, in recent years by the biopsy of ultrasound-guided fine needle aspiration cytology in daily doctor
In treatment using more and more.Puncture needle is essential tool, and this method is applied under ultrasonic surveillance, passes through puncture needle
It obtains superficial organ's tissue target target cell and carries out pathological diagnosis, such as mammary gland, thyroid gland, lymph node, be early diagnosis target mesh
Mark good pernicious most quick, the easy method with safety.
For previous histology biopsy, have many advantages, such as that damage is small, risk is small, result is equally reliable.But with
The development of clinical position, and there is a new problem, the specific structural constituent of lesion determines its physical behavior, may
It is soft, may be tough, may be hard, is also likely to be more viscous.The lesion soft for quality, is held by puncture needle
Easily extract the cell of diseased region.But quality is difficult merely than tougher, hard or viscous by puncture needle
The cell for having diagnostic value is extracted, causes puncture result undesirable.
But can be realized quality by aspiration biopsy suction device than tougher, hard or viscous cell extraction,
When use, piercing needle is pierced into superficial tissues organ cell, then presses piston driving bar, the work on piston driving bar
Plug driven rod tooth, which moves down, drives geared parts rotation, and geared parts rotation drives piston rod tooth and piston rod to move up, on piston rod
Shipper pole moves rubber piston set and moves up, and rubber piston set moves up so that negative pressure is generated in piercing needle, so that by superficial tissues organ
Cell is drawn in piercing needle, extracts superficial tissues organ cell so as to one hand, and operator oneself, which realizes to mention, is inserted through thorn
Vacuum suction is carried out while needle, and is acted accurately, and there is also following deficiencies for this structure: piston driving bar cannot after moving down
Upper complex displacement, if once pressing piston driving bar does not arrive cell extraction, second extraction cell is needed piston driving bar
Lift reset, is difficult piston driving bar lifting reset in the case where one-handed performance.
Summary of the invention
In view of the above technical problems, the utility model provides one kind: pressing piston driving bar, which is capable of resetting after moving down, to be moved up
Aspiration biopsy suction device easy to use.
In order to solve the above technical problems, the utility model uses following technical scheme: aspiration biopsy suction device, including pipe
Body, piercing needle, piston rod, rubber piston set, piston driving bar and geared parts, the tube body front end are closed and offer pipe
Body front end through-hole, tube body rear end aperture, the tube body is interior to be equipped with partition, and the partition, which separates the intracorporal space of pipe, to be survived
The front end of stopper rod jack and piston driving bar jack, the tube body is equipped with syringe needle connecting tube, and the piercing needle is mounted on syringe needle
In connecting tube, the piercing needle, syringe needle connecting tube and piston bar jack are communicated, and the piston rod is plugged in piston bar jack
Interior, the rubber piston set is set in the front end of piston rod, and the rubber piston set is contacted with piston bar jack inner wall, institute
It states piston driving bar to be plugged in piston driving bar jack, the geared parts are rotatably mounted on the tube body above partition
On, the piston rod is equipped with piston rod tooth, and the piston driving bar is equipped with piston driving bar tooth, the piston rod tooth and work
Plug driven rod tooth be oppositely arranged, the geared parts are located between piston rod tooth and piston driving bar tooth, the piston rod tooth and
Piston driving bar tooth is engaged with geared parts, and spring retention posts, the piston driving are equipped in the piston driving bar jack
Bar is equipped with spring retention posts jack, and piston driving bar is arranged on the spring retention posts and resets support spring, the piston
Driven rod is equipped with the spring fixing groove that a circle is located at outside spring retention posts jack, and it is fixed that the spring retention posts are plugged in spring
In the column jack of position, the upper end that the piston driving bar resets support spring is fastened in spring fixing groove.
The beneficial effect of aspiration biopsy suction device provided by the utility model is: thus use when, press piston band
Lever, piston driving bar move down, and spring retention posts continue into spring retention posts jack, and piston driving bar resets support spring quilt
It compresses, the piston driving bar tooth on piston driving bar, which moves down, drives geared parts rotation, and geared parts rotation drives piston rod tooth
It is moved up with piston rod, piston rod, which moves up, drives rubber piston set to move up, and rubber piston set moves up so that generating in piercing needle negative
Pressure draws cell, if desired secondary absorption cell, need to only decontrol piston driving bar, and piston driving bar resets branch in piston driving bar
It resets and moves up under the action of support spring, so that it is easy to use, realize that singlehanded secondary operation extracts cell.
Further, the geared parts include gear shaft, gear, left positioning screw and right positioning screw, the tube body
It is equipped with gear shaft mounting hole, the gear shaft mounting hole is equipped with gear shaft mounting hole screw thread, and the gear shaft is equipped with tooth
Wheel shaft, the gear shaft is equipped with gear shaft left-hand thread hole and gear shaft right-hand thread hole, the gear shaft are mounted on gear
In shaft mounting hole, the gear shaft mounting hole screw thread is matched with gear axle thread, and the gear is rotatably set in gear
On axis, the left positioning screw is mounted on gear shaft left-hand thread hole, and the right positioning screw is mounted on gear shaft right-hand thread hole
On, for the gear between left positioning screw and right positioning screw, beneficial effect is that this structure makes gear installation more
It is convenient, it realizes gear or so positioning, prevents gear from abutting with the inner wall of tube body stuck.
The utility model will be further described with reference to the accompanying drawings and detailed description.
Detailed description of the invention
Fig. 1 is one of the structural schematic diagram of aspiration biopsy suction device provided by the utility model；
Fig. 2 is the second structural representation of aspiration biopsy suction device provided by the utility model；
Fig. 3 is the third structural representation of aspiration biopsy suction device provided by the utility model；
Fig. 4 is the four of the structural schematic diagram of aspiration biopsy suction device provided by the utility model；
Fig. 5 is one of the schematic cross-sectional view of aspiration biopsy suction device provided by the utility model；
Fig. 6 is the two of the schematic cross-sectional view of aspiration biopsy suction device provided by the utility model；
Fig. 7 is one of the decomposition texture schematic diagram of aspiration biopsy suction device provided by the utility model；
Fig. 8 is the two of the decomposition texture schematic diagram of aspiration biopsy suction device provided by the utility model；
Fig. 9 is the decomposition schematic cross-sectional view of aspiration biopsy suction device provided by the utility model；
Figure 10 is the geared parts structural schematic diagram of aspiration biopsy suction device provided by the utility model.
Specific embodiment
As shown in 1 figure to Figure 10, the embodiment of aspiration biopsy suction device provided by the utility model, including tube body 1, wear
Pricker head 2, piston rod 3, rubber piston set 4, piston driving bar 5 and geared parts 6,1 front end of tube body are closed and are offered
Tube body front end through-hole, the 1 rear end aperture of tube body are equipped with partition 7 in the tube body 1, and the partition 7 is by the space in tube body 1
It is separated into piston bar jack 8 and piston driving bar jack 9, the front end of the tube body 1 is equipped with syringe needle connecting tube 10, the puncture needle
First 2 are mounted in syringe needle connecting tube 10, and the piercing needle 2, syringe needle connecting tube 10 and piston bar jack 8 communicate, the work
Stopper rod 3 is plugged in piston bar jack 8, and rubber piston set 4 is set in the front ends of piston rod 3, the rubber piston set 4 with
8 inner wall of piston bar jack contacts, and the piston driving bar 5 is plugged in piston driving bar jack 9, the geared parts 6
It is rotatably mounted on the tube body 1 of 7 top of partition, the piston rod 3 is equipped with piston rod tooth 11, the piston driving bar 5
It is equipped with piston driving bar tooth 12, the piston rod tooth 11 is oppositely arranged with piston driving bar tooth 12, and the geared parts 6 are located at
Between piston rod tooth 11 and piston driving bar tooth 12, the piston rod tooth 11 is nibbled with geared parts 6 with piston driving bar tooth 12
It closes, spring retention posts 13 is equipped in the piston driving bar jack 9, the piston driving bar 5 is equipped with spring retention posts jack
14, it is arranged with piston driving bar on the spring retention posts 13 and resets support spring 15, the piston driving bar 5 is equipped with a circle
Spring fixing groove 16 outside spring retention posts jack 14, the spring retention posts 13 are plugged in spring retention posts jack 14
Interior, the upper end that the piston driving bar resets support spring 15 is fastened in spring fixing groove 16, middle tube body 1, partition 7,
Spring retention posts 13 and syringe needle connecting tube are by being integrally formed.
The geared parts 6 include gear shaft 17, gear 18, left positioning screw 19 and right positioning screw 20, the tube body 1
It is equipped with gear shaft mounting hole 21, the gear shaft mounting hole 21 is equipped with gear shaft mounting hole screw thread, on the gear shaft 17
Equipped with gear axle thread, the gear shaft 17 is equipped with gear shaft left-hand thread hole 22 and gear shaft right-hand thread hole 23, the gear
Axis 17 is mounted in gear shaft mounting hole 21, and the gear shaft mounting hole screw thread is matched with gear axle thread, the gear 18
It is rotatably set on gear shaft 17, the left positioning screw 19 is mounted on gear shaft left-hand thread hole 22, the right positioning
Screw 20 is mounted on gear shaft right-hand thread hole 23, and the gear 18 is between left positioning screw 19 and right positioning screw 20.
As needed, the specific embodiment of the utility model is disclosed herein, it will be appreciated that the disclosed embodiments
It only demonstrates the utility model, the utility model can have different and alternative form to implement.Attached drawing is not necessarily drawn to scale.Cause
This, specific structure and function details disclosed herein be understood not to it is in a limiting sense, but only as representative base
Plinth is to instruct those skilled in the art using implementation the utility model.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the utility model protection
Range.
Claims (2)
1. aspiration biopsy suction device, including tube body (1), piercing needle (2), piston rod (3), rubber piston set (4), piston band
Tube body front end through-hole, tube body (1) rear end are closed and offered in lever (5) and geared parts (6), tube body (1) front end
Aperture, the tube body (1) is interior to be equipped with partition (7), and the space in tube body (1) is separated into piston bar jack (8) by the partition (7)
Syringe needle connecting tube (10) are equipped with the front end of piston driving bar jack (9), the tube body (1), the piercing needle (2) is mounted on
In syringe needle connecting tube (10), the piercing needle (2), syringe needle connecting tube (10) and piston bar jack (8) are communicated, the piston
Bar (3) is plugged in piston bar jack (8), and the rubber piston set (4) is set in the front end of piston rod (3), and the rubber is living
Plug sleeve (4) is contacted with piston bar jack (8) inner wall, and the piston driving bar (5) is plugged in piston driving bar jack (9)
Interior, the geared parts (6) are rotatably mounted on the tube body (1) above partition (7), and the piston rod (3), which is equipped with, to be lived
Stopper rod tooth (11), the piston driving bar (5) are equipped with piston driving bar tooth (12), the piston rod tooth (11) and piston driving
Bar tooth (12) is oppositely arranged, and the geared parts (6) are located between piston rod tooth (11) and piston driving bar tooth (12), the work
Stopper rod tooth (11) is engaged with geared parts (6) with piston driving bar tooth (12), it is characterised in that: the piston driving bar jack
(9) spring retention posts (13) are equipped in, the piston driving bar (5) is equipped with spring retention posts jack (14), and the spring is fixed
It is arranged with piston driving bar on position column (13) and resets support spring (15), the piston driving bar (5) is equipped with a circle and is located at bullet
The spring fixing groove (16) of spring positioning column jack (14) outside, the spring retention posts (13) are plugged in spring retention posts jack
(14) in, the upper end that the piston driving bar resets support spring (15) is fastened in spring fixing groove (16).
2. aspiration biopsy suction device according to claim 1, it is characterised in that: the geared parts (6) include gear
Axis (17), gear (18), left positioning screw (19) and right positioning screw (20), the tube body (1) are equipped with gear shaft mounting hole
(21), the gear shaft mounting hole (21) is equipped with gear shaft mounting hole screw thread, and the gear shaft (17) is equipped with gear shaft spiral shell
Line, the gear shaft (17) are equipped with gear shaft left-hand thread hole (22) and gear shaft right-hand thread hole (23), the gear shaft (17)
It is mounted on gear shaft mounting hole (21), the gear shaft mounting hole screw thread is matched with gear axle thread, the gear (18)
It is rotatably set on gear shaft (17), the left positioning screw (19) is mounted on gear shaft left-hand thread hole (22), described
Right positioning screw (20) is mounted on gear shaft right-hand thread hole (23), and the gear (18) is located at left positioning screw (19) and the right side is fixed
Between position screw (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821695552.9U CN209474678U (en) | 2018-10-19 | 2018-10-19 | Aspiration biopsy suction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821695552.9U CN209474678U (en) | 2018-10-19 | 2018-10-19 | Aspiration biopsy suction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209474678U true CN209474678U (en) | 2019-10-11 |
Family
ID=68115031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821695552.9U Expired - Fee Related CN209474678U (en) | 2018-10-19 | 2018-10-19 | Aspiration biopsy suction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209474678U (en) |
-
2018
- 2018-10-19 CN CN201821695552.9U patent/CN209474678U/en not_active Expired - Fee Related
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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: 20191011 |