CN207561957U - A kind of direct-push biopsy needle - Google Patents
A kind of direct-push biopsy needle Download PDFInfo
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- CN207561957U CN207561957U CN201720350797.7U CN201720350797U CN207561957U CN 207561957 U CN207561957 U CN 207561957U CN 201720350797 U CN201720350797 U CN 201720350797U CN 207561957 U CN207561957 U CN 207561957U
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- locator
- needle stand
- outer needle
- handle
- direct
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Abstract
The utility model provides a kind of direct-push biopsy needle, is made of interior needle stand, depth localization handle, locator, outer needle stand, outer needle tubing and interior shank, and the outer needle stand is slided up and down in depth localization handle；The locator is inserted on depth localization handle, locator front end is equipped with pressing top surface, the rear side of locator connect the cooperation installation of slideway II with the locator of outer needle stand rear side surface equipped with outer needle stand connection sliding block, when outer needle stand connection sliding block connect slideway II with locator to be fastened, locator is slided up and down outer needle stand is limited in depth localization handle, realizes positioning.A kind of direct-push biopsy needle provided by the utility model, it is easy to operate, and efficiently solve the problems, such as on existing puncture needle using the cunning tooth dropout that threaded connection is caused.
Description
Technical field
The utility model belongs to Dispoable medical tissue examination needle technical field, and in particular to a kind of direct-push biopsy
Needle is looked into, suitable for clinic.
Background technology
Needle puncture biopsy art (also known as aspiration biopsy), is operation method more advanced now, suitable for hematology, orthopaedics,
Bone tumour operation, diagnostic operation and blood disease inspection etc..Needle puncture biopsy art method is easy, can outpatient service under local anaesthesia into
Row, the damage punctured to tissue is small, and bleeding is few, thus it is safer, infection chance is few, nor affect on early stage chemotherapy or radiotherapy,
Chang Youyi individual operates.In recent years someone's aspiration biopsy under CT, MRI ultrasound and guide of fluoroscopy improves success rate.
Drawing-in type biopsy needle is that intramedullary pin pierces commonly used surgical instrument in biopsy, existing similar close production
Product are made of interior needle stand, interior shank, outer needle stand, outer needle tubing, adjusting knob, locator etc..Relationship between it is adjusted for rotation
Knob adjusts locator to paracentesis depth, then inserting needle to ossis, and after reaching scheduled depth, shank in extraction will take
Sample pipe small end is inserted into outer casing needle taper hole, bone marrow extraction liquid after probe tube big end is connected with syringe.This existing drawing-in type bone
The operation of marrow biopsy needle is relatively complicated, cost is higher, and most importantly existing drawing-in type myeloid biopsy needle is adopted
It is threadedly coupled, this adjusting knob is connected through a screw thread the design that driving punctures needle movement, is susceptible between connecting component
The situation that sliding tooth is threaded off, causes positioning to fail, causes clinical position efficiency low, and there are accident potential.
Invention content
The defects of in the presence of for the above-mentioned prior art, the utility model provide a kind of direct-push biopsy
Needle, it is easy to operate, and efficiently solve the problems, such as on existing puncture needle using the cunning tooth dropout that threaded connection is caused.With reference to explanation
Book attached drawing, the technical solution of the utility model are as follows：
A kind of direct-push biopsy needle, by interior needle stand 1, depth localization handle 2, locator 3, outer needle stand 4, outer needle tubing
5 and interior shank 6 form, the outer needle stand 4 is slided up and down in depth localization handle 2；The locator 3 is inserted into depth
On position fixing handle 2,3 front end of locator is equipped with pressing top surface, and the rear side of locator 3 is equipped with outer needle stand connection sliding block 302, described outer
Needle stand connection sliding block 302 connect the cooperation installation of slideway II 402 with the locator of outer 4 rear side surface of needle stand, is slided when outer needle stand connects
When block 302 connect slideway II 402 with locator and is fastened, locator 3 will limit outer needle stand 4 in depth localization handle 2
It slides up and down, realizes positioning.
A kind of direct-push biopsy needle, wherein, it is equipped with column structure, column structure in the rear end of the locator 3
On be set with spring 7, one end of the spring 7 acts against 2 inner surface of depth localization handle, after the other end acts against locator 3
On the outer needle stand connection sliding block 302 of side, when to the pressing top surface of locator 3 apply pressing force when, outer needle stand connection sliding block 302 with
Locator connection slideway II 402 detaches, and outer needle stand 4 slides up and down in depth localization handle 2, when the pressing not to locator 3
When top surface applies peace pressure, under the action of spring 7, outer needle stand connection sliding block 302 connect the clamping of slideway II 402 with locator,
Locator 3 limits outer needle stand 4 and is slided up and down in depth localization handle 2.
A kind of direct-push biopsy needle, wherein, the side of the locator 3 is equipped with position fixing handle connection sliding block I 301
It connect slideway I 202 with the locator of 2 madial wall of depth localization handle to slide with connection, locator 3 is made steadily to be inserted into depth and is determined
On the handle 2 of position.
A kind of direct-push biopsy needle, wherein, the interior needle stand 1 is connect with outer 4 top spiral of needle stand.
A kind of direct-push biopsy needle, wherein, the interior shank 6 is fixedly connected by way of gluing in interior needle stand
On 1, the outer needle tubing 5 is fixedly connected by the way of injection in outer needle stand 4.
A kind of direct-push biopsy needle, wherein, the side of the outer needle stand 4 is equipped with position fixing handle connection sliding block II
403 connect slideway 201 with the outer needle stand of 2 madial wall of depth localization handle is slidably connected, and makes outer needle stand 4 in depth localization handle 2
It is interior steadily to slide up and down.
A kind of direct-push biopsy needle, wherein, the top of the outer needle stand 4 is additionally provided with female Luer 405.
A kind of direct-push biopsy needle, wherein, the front side of the outer needle stand 4 is equipped with graduation mark 404.
Compared with prior art, the beneficial effects of the utility model are：
1st, direct-push biopsy needle described in the utility model is replaced using slideway and the matched shackle designs of sliding block
The design of adjustable diameter and screw adjusting knob in the prior art, adjusting is more smooth, the time is shorter, operation is easier, and effectively prevents screw thread
Slide fastener problem caused by connection, firm position is reliable, improves the stability in Clinical practice.
2nd, direct-push biopsy needle described in the utility model uses body mechanics' handle, and convenient for clinical manipulation, personnel make
With, and use is more comfortable；
3rd, the design of direct-push biopsy needle described in the utility model is simpler, and manufacture cost is relatively low, alleviates trouble
The financial burden of person；
Description of the drawings
Fig. 1 is the dimensional structure diagram of direct-push biopsy needle described in the utility model；
Fig. 2 a are the front view of direct-push biopsy needle described in the utility model；
Fig. 2 b are the side view of direct-push biopsy needle described in the utility model；
Fig. 2 c are Fig. 2 a A-A sectional views；
Fig. 2 d are Fig. 2 a B-B sectional views；
Fig. 2 e are partial enlarged view at Fig. 2 c I；
Fig. 3 a are the front view of locator in direct-push biopsy needle described in the utility model；
Fig. 3 b are the side view of locator in direct-push biopsy needle described in the utility model；
Fig. 3 c are Fig. 3 a C-C sectional views；
Fig. 3 d are the vertical view of locator in direct-push biopsy needle described in the utility model；
Fig. 4 a are the front view of position fixing handle in direct-push biopsy needle described in the utility model；
Fig. 4 b are the side view of position fixing handle in direct-push biopsy needle described in the utility model；
Fig. 4 c are Fig. 4 a D-D sectional views；
Fig. 4 d are the vertical view of position fixing handle in direct-push biopsy needle described in the utility model；
Fig. 4 e are Fig. 4 a E-E sectional views；
Fig. 5 a are the front view of outer needle stand in direct-push biopsy needle described in the utility model；
Fig. 5 b are the side view of outer needle stand in direct-push biopsy needle described in the utility model；
In figure：
Needle stand in 1；2 depth localization handles；3 locators；4 outer needle stands；
5 outer needle tubings；Shank in 6；7 springs；
201 outer needle stand connection slideways；202 locators connect slideway I；
301 position fixing handle connection sliding blocks I；302 outer needle stand connection sliding blocks；
Needle stand connects slideway in 401；402 locators connect slideway II；403 position fixing handle connection sliding blocks II；404 scales
Line；
405 female Luers.
Specific embodiment
For the technical solution of the utility model is expanded on further, with reference to Figure of description, the specific implementation of the utility model
Mode is as follows：
As shown in Figure 1, the utility model provides a kind of direct-push biopsy needle.As shown in Fig. 2 a to Fig. 2 e, institute
Direct-push biopsy needle is stated by interior needle stand 1, depth localization handle 2, locator 3, outer needle stand 4, outer needle tubing 5, interior shank 6
And spring 7 forms.
The interior shank 6 is fixedly connected by way of gluing on interior needle stand, and the outer needle tubing 5 is by the way of injection
It is fixedly connected in outer needle stand 4, the interior needle stand 1 is cap-like structure, as shown in figure 5 a and 5b, the top of the outer needle stand 4
Equipped with female Luer 405, it is a connection round platform in the lower section of female Luer 405, is provided on the outer circumference surface of connection round platform
Interior needle stand connects slideway 401, and the interior needle stand connection slideway 401 is spiral shape, and the inside the brim of a hat of interior needle stand 1 is equipped with and interior needle stand
Slideway 401 is connected to matched bulge-structure so that interior needle stand 1 is spun together with outer needle stand 4, and realization is relatively fixed；It is described
It is set below the connection round platform of outer needle stand 4 there are one limiting outer, when outer needle stand 4 is mounted in position fixing handle 2, the outer abuts against
At the upper edge of depth localization handle 2, the outer needle hub body below the limiting outer of the outer needle stand 4 for strip, in outer needle stand
Equidistant locator connection slideway II 402 is offered on rear side of main body, the locator connection slideway II 402 is lateral square
Connected in star is equipped with graduation mark 404 in the front side of outer needle hub body, and the position at left and right sides of the bottom of outer needle hub body is equipped with fixed
Position handle connection sliding block II 403.
As shown in Fig. 4 a to Fig. 4 e, the depth localization handle 2 is a tubular structure, and the bottom of depth localization handle 2 is left
Right both sides are equipped with sheet outer, and outer needle stand connection slideway 201, institute are provided at left and right sides of the lower semisection of depth localization handle 2
The hole that outer needle stand connection slideway 201 is strip is stated, the position fixing handle connection sliding block II 403 of the outer needle hub body both sides coordinates
In outer needle stand connection slideway 201, outer needle stand 2 is made to be slided up and down along outer needle stand connection slideway 201；In depth localization handle
2 inside middle portions are provided with locator connection slideway I 202, locator connection slideway I perpendicular to 2 axis direction of depth localization handle
2 outer surface of depth localization handle of 202 front sides is provided with locator mounting groove, the depth localization of I 202 rear side of locator connection slideway
2 outer surface of handle is provided with locator mounting hole.
As shown in Fig. 3 a to Fig. 3 d, 3 front end of locator is arc-shaped pressing top surface, is applied for operating personnel's pressing
Power, 3 rear end of locator are column structure, and the middle part of locator 3 is rectangular box, and the two sides of rectangular box connect for position fixing handle
Slider I 301 is connect, the position fixing handle connection sliding block I 301 of both sides connect slideway I 202 with the locator of 2 inside of depth localization handle
Cooperation is slidably connected so that locator 3 can connect slideway I 202 along locator and slide back and forth, the rear side and column of rectangular box
The part that shape structure is connected is outer needle stand connection sliding block 302, and the rectangular box of locator 3 is sleeved on 4 outside of outer needle stand, outside
Needle stand connection sliding block 302 connect slideway II 402 with the locator on rear side of outer needle hub body and matches, when locator 3 is along locator
When connection slideway I 202 slides forward, outer needle stand connection sliding block 302 is connected to the locator connection slideway II 402 of corresponding position
It is interior so that outer needle stand 4 is relatively fixed by locator 3, and outer needle stand 4 is made not slide up and down, so as to fulfill reliable positioning；When fixed
Position device 3 along locator connection slideway I 202 slide backward when, outer needle stand connection sliding block 302 is connected from the locator of corresponding position and is slided
It is removed in road II 402, outer needle stand 4 can up and down slide in depth localization handle 2.The spring 7 is sleeved on 3 rear end of locator
On column structure, one end of spring 7 is acted against on the rectangular box of locator 3, and the other end acts against determining for depth localization handle 2
Inner surface at the device mounting hole of position.When locator 3 in the raw, i.e., without external force active state when, in the effect of spring 7
Under, locator 3 is biased toward front end, and the outer needle stand connection sliding block 302 of locator 3 is connected to the locator connection slideway of corresponding position
In II 402, outer needle stand 4 is made not slide up and down；It is pressed when operating personnel exert a force to 3 front end of locator, locator 3 will be slided backward
It moving, overcomes the elastic force of spring 7, the column structure of 3 rear end of locator will stretch out the locator mounting hole of depth localization handle 2, this
When outer needle stand 4 freely up and down slide.
The operating process of direct-push biopsy needle described in the utility model is as follows：
When not needing to adjust the use length for checking needle, doctor can directly inserting needle bone cavity to required depth, needle in rotation
Seat 1, interior shank 6 is extracted from outer needle tubing 5, syringe is connect with the female Luer 405 at outer 4 top of needle stand, marrow aspiration
Bone marrow fluid is coated on glass slide or in test tube by liquid, then, interior shank 6 is re-injected into outer needle tubing 5, without again
It screws, biopsy needle is integrally extracted, and deal carefully with；
When need adjust check needle use length when, operating personnel pressing locator 3, outer needle stand connection sliding block 302 from
It is detached in locator connection slideway II 402, outer needle stand 4 is relatively fixed with interior needle stand 1, by lifting or pressing outer needle stand 4
The limiting outer of top can will check that needle integrally carries out up and down adjustment, and it is fixed using after length, unclamping to be adjusted according to graduation mark 404
Position device 3, under the action of spring 7, locator 3 resets, and outer needle stand connection sliding block 302 is connected to locator connection slideway II again
In 402, outer needle stand 4 is positioned again, can carry out puncture process as described above at this time.
Claims (8)
1. a kind of direct-push biopsy needle, by interior needle stand (1), depth localization handle (2), locator (3), outer needle stand (4),
Outer needle tubing (5) and interior shank (6) composition, it is characterised in that：
The outer needle stand (4) is slided up and down in depth localization handle (2)；The locator (3) is inserted into depth localization
On handle (2), locator (3) front end is equipped with pressing top surface, and the rear side of locator (3) is equipped with outer needle stand connection sliding block (302), institute
It states outer needle stand connection sliding block (302) and slideway II (402) cooperation installation is connect with the locator of outer needle stand (4) rear side surface, when outer
When needle stand connection sliding block (302) connect slideway II (402) with locator and is fastened, locator (3) will limit outer needle stand (4)
It is slided up and down in depth localization handle (2), realizes positioning.
2. a kind of direct-push biopsy needle as described in claim 1, it is characterised in that：
Column structure is equipped in the rear end of the locator (3), is set with spring (7) on column structure, the one of the spring (7)
End acts against depth localization handle (2) inner surface, and the other end acts against the outer needle stand connection sliding block (302) on rear side of locator (3)
On, when applying pressing force to the pressing top surface of locator (3), outer needle stand connection sliding block (302) connect slideway II with locator
(402) it detaches, outer needle stand (4) slides up and down in depth localization handle (2), when not to the application of the pressing top surface of locator (3)
When pacifying pressure, under the action of spring (7), outer needle stand connection sliding block (302) connect slideway II (402) clamping with locator, fixed
Position device (3) limits outer needle stand (4) and is slided up and down in depth localization handle (2).
3. a kind of direct-push biopsy needle as claimed in claim 1 or 2, it is characterised in that：
The side of the locator (3) is equipped with determining for position fixing handle connection sliding block I (301) and depth localization handle (2) madial wall
Position device connection slideway I (202) is slided with connection, and locator (3) is made steadily to be inserted on depth localization handle (2).
4. a kind of direct-push biopsy needle as described in claim 1, it is characterised in that：
The interior needle stand (1) connect with spiral at the top of outer needle stand (4).
5. a kind of direct-push biopsy needle as described in claim 1 or 4, it is characterised in that：
The interior shank (6) is fixedly connected by way of gluing on interior needle stand (1), and the outer needle tubing (5) is using injection
Mode is fixedly connected in outer needle stand (4).
6. a kind of direct-push biopsy needle as described in claim 1, it is characterised in that：
The side of the outer needle stand (4) is equipped with the outer of position fixing handle connection sliding block II (403) and depth localization handle (2) madial wall
Needle stand connection slideway (201) is slidably connected, and outer needle stand (4) is made steadily to be slided up and down in depth localization handle (2).
7. a kind of direct-push biopsy needle as described in claim 1, it is characterised in that：
Female Luer (405) is additionally provided at the top of the outer needle stand (4).
8. a kind of direct-push biopsy needle as described in claim 1,6 or 7, it is characterised in that：
The front side of the outer needle stand (4) is equipped with graduation mark (404).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720350797.7U CN207561957U (en) | 2017-04-06 | 2017-04-06 | A kind of direct-push biopsy needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720350797.7U CN207561957U (en) | 2017-04-06 | 2017-04-06 | A kind of direct-push biopsy needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207561957U true CN207561957U (en) | 2018-07-03 |
Family
ID=62696612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720350797.7U Active CN207561957U (en) | 2017-04-06 | 2017-04-06 | A kind of direct-push biopsy needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207561957U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108577902A (en) * | 2018-07-16 | 2018-09-28 | 黄月亮 | A kind of rotating cutting type biopsy needle |
| CN110448342A (en) * | 2019-08-26 | 2019-11-15 | 吉林大学 | Device and piercing method for patient's bone marrow aspiration after hematopoietic stem cell transplantation |
| WO2020168482A1 (en) * | 2019-02-20 | 2020-08-27 | 王沁 | Biopsy needle having window |
-
2017
- 2017-04-06 CN CN201720350797.7U patent/CN207561957U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108577902A (en) * | 2018-07-16 | 2018-09-28 | 黄月亮 | A kind of rotating cutting type biopsy needle |
| WO2020168482A1 (en) * | 2019-02-20 | 2020-08-27 | 王沁 | Biopsy needle having window |
| CN110448342A (en) * | 2019-08-26 | 2019-11-15 | 吉林大学 | Device and piercing method for patient's bone marrow aspiration after hematopoietic stem cell transplantation |
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