CN208640770U - A kind of full-automatic negative-pressure suction rotating cutting type biopsy needle - Google Patents
A kind of full-automatic negative-pressure suction rotating cutting type biopsy needle Download PDFInfo
- Publication number
- CN208640770U CN208640770U CN201721267434.3U CN201721267434U CN208640770U CN 208640770 U CN208640770 U CN 208640770U CN 201721267434 U CN201721267434 U CN 201721267434U CN 208640770 U CN208640770 U CN 208640770U
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- China
- Prior art keywords
- sleeve
- needle
- needle tubing
- piston
- cavity
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- Withdrawn - After Issue
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Abstract
The utility model relates to a kind of full-automatic negative-pressures to aspirate rotating cutting type biopsy needle, including piston, sleeve, needle core and needle tubing, piston is embedded in sleeve, needle core is fixedly connected on the front end of piston, needle tubing is detachably connected on the front end of sleeve, cavity is equipped in needle tubing, needle core sequentially passes through the front end of sleeve and the cavity of needle tubing, push piston to the front end of sleeve, needle core stretches out needle tubing, piston and sleeve are equipped with self-retracting device, the front end of needle tubing is equipped with the rotary cutting apparatus for cutting down tissue, the arresting device for tissue to be trapped in cavity is additionally provided in the cavity of needle tubing, sleeve lateral wall is equipped with the injection-tube being connected to cavity.The beneficial effects of the utility model are: automatic negative-pressure resorption, the interior arresting device of rotary cutting apparatus rotary-cut detachment and pipe of the port of needle tubing takes cylindrical body sample, and more sufficient with sampling amount under bore, the depth of insertion is controllable, guarantees safety；Tissue specimen and cytologic specimen, Double sampling are taken simultaneously.
Description
Technical field
The utility model relates to a kind of medical instruments more particularly to a kind of full-automatic negative-pressure to aspirate rotating cutting type biopsy needle.
Background technique
Existing biopsy needle is broadly divided into the cutting type cell taking gun with sampling groove and type hand negative pressure suction type biopsy needle, band
The cutting type cell taking gun of sampling groove can only take the sample in needle tray, cannot extract the sample in entire cylinder needle tubing, and needle core is first
It stretches out, needle tubing guillotine cutting again, automatic preshoot 2cm, the depth for being inserted into tissue is uncontrollable, be easy to cause the blood vessels of some weak tissues
And neurotrosis, it is dangerous.Type hand negative pressure suction type biopsy needle cannot automatically generate subnormal ambient, need manual withdrawal.And
And both biopsy needles and tissue biopsy can only be done, cell biopsy cannot be done.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of full-automatic negative-pressures to aspirate rotating cutting type biopsy needle, can be certainly
The dynamic needle core that retracts forms vacuum, has the device for effectively cutting out tissue, and can do tissue biopsy and do cell biopsy.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of full-automatic negative-pressure suction rotary-cutting type biopsy
Needle, including piston, sleeve, needle core and needle tubing, the piston are embedded in the sleeve, and the needle core is fixedly connected on the work
The front end of plug, the needle tubing are fixedly connected on the front end of the sleeve, are equipped with cavity in the needle tubing, the needle core sequentially passes through
The cavity of the front end of the sleeve and the needle tubing, pushes the piston to the front end of the sleeve, and the needle core stretches out institute
Needle tubing is stated, the piston and the sleeve are equipped with self-retracting device, for retracting the needle core automatically in the needle tubing
And form negative pressure and tissue is adsorbed at the cavity mouth of the needle tubing, the front end of the needle tubing is equipped with for by tissue
The rotary cutting apparatus cut down is additionally provided with the delay dress for tissue to be trapped in the cavity in the cavity of the needle tubing
It sets, the sleeve lateral wall is equipped with the injection-tube being connected to the cavity.
The beneficial effects of the utility model are: automatic negative-pressure resorption, the rotary cutting apparatus rotary-cut detachment of the port of needle tubing and
Arresting device takes cylindrical body sample that sampling success rate can be improved in managing, and more sufficient with sampling amount under bore, the depth of insertion is controllable
System guarantees safety；Tissue specimen and cytologic specimen, Double sampling, rotary-cut are taken simultaneously.
Based on the above technical solution, the utility model can also do following improvement.
Further, the self-retracting device includes the press head being set to outside the sleeve, inclined-plane and block and sets
Compression bar, compression bar block and the spring being placed on the piston, the compression bar pass through the sleeve and extend out at the inclined-plane simultaneously
It is jacked up by the inclined-plane, the compression bar block is set to the middle part of the compression bar, described after the compression bar is jacked up by the inclined-plane
Compression bar block can block the block, and the piston passes through the spring, abuts in the middle part of the spring one end and the piston, separately
One end is abutted with the inner cavity front end of the sleeve；Press the compression bar, the compression bar compression bar block is depressed and be detached from
The clamping of the block, the sleeve retracts automatically and the needle core is driven to retract under the action of the spring.
Beneficial effect using above-mentioned further scheme is that this self-retracting device is compact-sized, easy to operate.
Further, the piston is equipped with backing pin and guide rail, offer in the sleeve respectively with the backing pin and described
The backing pin sliding slot and guide rail sliding chute of guide rail, the backing pin and the guide rail are sliding in the backing pin sliding slot and the guide rail respectively
Sliding in slot, the piston when being retracted to the sleeve rear end backing pin slide into the backing pin runner rear end and position.
Beneficial effect using above-mentioned further scheme is that moving distance is excessive after backing pin can prevent piston from retracting, and is led
It is smooth when sliding that rail can make piston and sleeve, and positions in the circumferential.
Further, the rotary cutting apparatus includes the circular arc bending tube section of the needle tubing front end, and the circular arc bending tube section is most
Front end is equipped with sharp sword.
Beneficial effect using above-mentioned further scheme is to rotate needle tubing, and the circular arc bending equipped with sharp sword can be by human body
Tissue rotary-cut is got off.
Further, the arresting device includes the cone cell fin in the cavity front inner wall of the needle tubing, the cone
Shape fin tilts backwards.
Beneficial effect using above-mentioned further scheme is that cone cell fin keeps the tissue entered in needle tubing cavity stagnant
It stays in cavity.
Further, the rear end of the needle tubing is fixedly connected with needle tubing seat, and the front end of the needle tubing seat and the sleeve is with Shandong
The form connection of your interface.
Beneficial effect using above-mentioned further scheme is to be easily installed and dismantle.
Further, the rear end of the sleeve, which is equipped with, is convenient for hand-held handle, goes back uniform intervals on the lateral wall of the sleeve
Equipped with anti-skidding ribs.
Beneficial effect using above-mentioned further scheme is, convenient for hand-held in operation, moreover it is possible to it is anti-skidding, it prevents from causing to miss
Operation.
Detailed description of the invention
Fig. 1 is the structural representation for the sleeve that a kind of full-automatic negative-pressure provided by the utility model aspirates rotating cutting type biopsy needle
Figure；
Fig. 2 is the structural schematic diagram for the piston that a kind of full-automatic negative-pressure of the utility model aspirates rotating cutting type biopsy needle；
Fig. 3 is that the structure of handle and guide rail sliding chute that a kind of full-automatic negative-pressure of the utility model aspirates rotating cutting type biopsy needle is shown
It is intended to；
Fig. 4 is the structural schematic diagram for the needle tubing that a kind of full-automatic negative-pressure of the utility model aspirates rotating cutting type biopsy needle；
Fig. 5 is the partial enlargement view for the needle tubing front end that a kind of full-automatic negative-pressure of the utility model aspirates rotating cutting type biopsy needle
Figure；
Fig. 6 is that the cone cell fin that a kind of full-automatic negative-pressure of the utility model aspirates in the needle tubing of rotating cutting type biopsy needle is locally put
Big figure.
In attached drawing, parts list represented by the reference numerals are as follows:
1, sleeve, 2, backing pin sliding slot, 3, injection-tube, 4, buckle, 5, press head, 6, inclined-plane, 7, ribs, 8, handle,
9, block, 10, piston, 11, needle core, 12, guide rail, 13, backing pin, 14, spring, 15, compression bar, 16, compression bar block, 17, needle tubing,
18, guide rail sliding chute, 19, needle tubing seat, 20, cone cell fin.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
As shown in figures 1 to 6, the utility model provides a kind of full-automatic negative-pressure suction rotating cutting type biopsy needle, including piston 10,
Sleeve 1, needle core 1 and needle tubing 17, the piston 10 are embedded in the sleeve 1, and the needle core 11 is fixedly connected on the piston
10 front end, the needle tubing 17 are fixedly connected on the front end of the sleeve 1, are equipped with cavity, the needle core 11 in the needle tubing 17
The front end of the sleeve 1 and the cavity of the needle tubing 17 are sequentially passed through, pushes the piston 10 to the front end of the sleeve 1,
The needle core 11 stretches out the needle tubing 17, and the piston 10 and the sleeve 1 are equipped with self-retracting device, for making the needle
Core 11 retracts in the needle tubing 17 automatically and forms negative pressure and is adsorbed onto tissue at the cavity mouth of the needle tubing 17, the needle
The front end of pipe 17 is equipped with the rotary cutting apparatus for cutting down tissue, is additionally provided in the cavity of the needle tubing 17 for inciting somebody to action
Tissue is trapped in the arresting device of the cavity, and 1 side wall of sleeve is equipped with the injection-tube 3 being connected to the cavity.
The self-retracting device includes the press head 5 being set to outside the sleeve 1, inclined-plane 6 and block 9 and is set to
Compression bar 15, compression bar block 16 and spring 14 on the piston 10, the compression bar 15 pass through the sleeve 1 and extend out to described oblique
It is jacked up at face 6 and by the inclined-plane 6, the compression bar block 16 is set to the middle part compression bar 15 of the compression bar 15 by described oblique
After face 6 jacks up, the compression bar block 16 can block the block 9, and the piston 10 passes through the spring 14, the spring 14 1
It holds and is abutted in the middle part of the piston 10, the other end is abutted with the inner cavity front end of the sleeve 1；Press the compression bar 15, the pressure
The clamping with the block 9 is depressed and be detached to the compression bar block 16 by bar 15, the sleeve 1 under the action of spring 14
Automatically it retracts and the needle core 1 is driven to retract.
The piston 10 is equipped with backing pin 13 and guide rail 12, offer in the sleeve 1 respectively with the backing pin 13 and institute
The matched backing pin sliding slot 2 of guide rail 12 and guide rail sliding chute 18 are stated, the backing pin 13 and the guide rail 12 are respectively in the backing pin sliding slot 2
Slided in the guide rail sliding chute 18, the piston 10 when being retracted to 1 rear end of sleeve the backing pin 13 slide into the gear
2 rear end of pin runner simultaneously positions.
The rotary cutting apparatus includes the circular arc bending tube section of 17 front end of needle tubing, the front end of the circular arc bending tube section
Equipped with sharp sword.
The arresting device includes the cone cell fin 20 in the cavity front inner wall of the needle tubing 17, the cone cell wing
Piece 20 tilts backwards.Cone cell fin 20 is set in needle tubing 17 in a ring using the axis of needle tubing 17 as symmetrical centre and is equipped with multiple.
The rear end of the needle tubing 17 is fixedly connected with needle tubing seat 19, and the front end of the needle tubing seat 19 and the sleeve 1 is with Shandong
The form connection of your interface.Female Luer is to facilitate connection equipment what medical industry used, and it is gentle that it enormously simplifies liquid
The management of state medical fluid, a complete female Luer should include convex surface Rule locking device and a concave surface Luer lock dress
It sets.
The rear end of the sleeve 1, which is equipped with, is convenient for hand-held handle 8, goes back uniform intervals on the lateral wall of the sleeve 1 and is equipped with
Anti-skidding ribs 7.
Working principle:
Piston 10 is moved to the front end of sleeve 1 by the handle 8 for pressing injects piston 10, while the needle point of needle core 11 stretches out needle
Pipe 17 is a little, operates under ultrasound or CT guiding, biopsy needle percutaneous puncture is approached swollen object, by setting on lower piston 10 and sleeve 1
Some auto resilient mountings, piston 10 quickly spring back and needle core 11 are driven to bounce back in needle tubing 17, and the negative pressure that moment is formed will swell
Object is adsorbed in 17 mouthfuls of needle tubing, and because needle core 11 bounces back, one section of negative pressure sample space is then formed in needle tubing 17, and patient continues inserting needle,
Object is swollen under negative pressure by 17 top cutting edge ring cutting of needle tubing and is entered as sample in needle tubing 17, and 17 inner wall of needle tubing is set as oblique screw thread knot
Structure, sample " enters and is easy abjection hardly possible ", while 17 top of needle tubing is equipped with rotary cutting apparatus, stops inserting needle after reaching predetermined depth, no
360 ° of off-axis rotation needle body, eave tile cutting edge is equipped at the top of needle tubing 17 by sample detachment, after the withdraw of the needle, before injects piston 10 makes needle core 11
It pushes away, sample is released and carries out histology biopsy.There are also micro-assembly robot and cell residues in needle tubing 17, and 1 side wall of sleeve is equipped with and cavity
This injection-tube 3 is connected syringe by the injection-tube 3 of connection, and saline injection elution residual micro-assembly robot is allowed to from 17 mouthfuls of needle tubing
And injection-tube 3 flows out, which can do cytologic slide.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (7)
1. a kind of full-automatic negative-pressure aspirates rotating cutting type biopsy needle, which is characterized in that including piston (10), sleeve (1), needle core (11)
With needle tubing (17), the piston (10) is embedded in the sleeve (1) and is slidably connected with the sleeve (1), the needle core
(11) it is fixedly connected on the front end of the piston (10), the needle tubing (17) is detachably connected on the front end of the sleeve (1), institute
It states and is equipped with cavity in needle tubing (17), the needle core (11) sequentially passes through the front end of the sleeve (1) and the sky of the needle tubing (17)
Chamber, pushes the front end of the piston (10) to the sleeve (1), and the needle core (11) stretches out the needle tubing (17), the work
It fills in (10) and the sleeve (1) is equipped with self-retracting device, for making the needle core (11) retract the needle tubing (17) automatically
Interior and form negative pressure and invest tissue suction at the cavity mouth of the needle tubing (17), the front end of the needle tubing (17), which is equipped with, to be used
It is additionally provided in the rotary cutting apparatus for cutting down tissue, the cavity of the needle tubing (17) for tissue to be trapped in
The arresting device of the cavity, sleeve (1) side wall are equipped with the injection-tube (3) being connected to the cavity.
2. a kind of full-automatic negative-pressure aspirates rotating cutting type biopsy needle according to claim 1, which is characterized in that the automatic retraction
Device includes being set to the outer press head (5) of the sleeve (1), inclined-plane (6) and block (9) and being set to the piston (10)
On compression bar (15), compression bar block (16) and spring (14), the compression bar (15) pass through the sleeve (1) and extend out to it is described tiltedly
It is jacked up at face (6) and by the inclined-plane (6)；The compression bar block (16) is set to the middle part of the compression bar (15), the compression bar
(15) after being jacked up by the inclined-plane (6), the compression bar block (16) can block the block (9)；The piston (10) passes through institute
It states spring (14), is abutted in the middle part of described spring (14) one end and the piston (10), before the inner cavity of the other end and the sleeve (1)
End abuts；It presses the compression bar (15), the compression bar block (16) is depressed and be detached from and the block (9) by the compression bar (15)
Clamping, under the action of the spring (14) sleeve (1) automatically retracts and drive the needle core (11) retract.
3. a kind of full-automatic negative-pressure aspirates rotating cutting type biopsy needle according to claim 2, which is characterized in that the piston (10)
Be equipped with backing pin (13) and guide rail (12), the sleeve (1) is interior offer respectively with the backing pin (13) and the guide rail (12)
Matched backing pin sliding slot (2) and guide rail sliding chute (18), the backing pin (13) and the guide rail (12) are respectively in the backing pin sliding slot
(2) it is retracted to the backing pin (13) when the sleeve (1) rear end with sliding in the guide rail sliding chute (18), the piston (10) and slides
It moves to backing pin sliding slot (2) rear end and positions.
4. a kind of full-automatic negative-pressure aspirates rotating cutting type biopsy needle according to claim 1, which is characterized in that the rotary cutting apparatus
Circular arc bending tube section including the needle tubing (17) front end, the front end of the circular arc bending tube section are equipped with sharp sword.
5. a kind of full-automatic negative-pressure aspirates rotating cutting type biopsy needle according to claim 1, which is characterized in that the arresting device
Cone cell fin (20) in cavity front inner wall including being set to the needle tubing (17), the cone cell fin (20) tilt backwards.
6. a kind of full-automatic negative-pressure according to claim 4 or 5 aspirates rotating cutting type biopsy needle, which is characterized in that the needle tubing
(17) rear end is fixedly connected with needle tubing seat (19), and the front end of the needle tubing seat (19) and the sleeve (1) is with female Luer
Form connection.
7. any one of -5 a kind of full-automatic negative-pressure suction rotating cutting type biopsy needle according to claim 1, which is characterized in that described
The rear end of sleeve (1), which is equipped with, is convenient for hand-held handle (8), and uniform intervals are gone back on the lateral wall of the sleeve (1) equipped with anti-skidding
Ribs (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721267434.3U CN208640770U (en) | 2017-09-29 | 2017-09-29 | A kind of full-automatic negative-pressure suction rotating cutting type biopsy needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721267434.3U CN208640770U (en) | 2017-09-29 | 2017-09-29 | A kind of full-automatic negative-pressure suction rotating cutting type biopsy needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208640770U true CN208640770U (en) | 2019-03-26 |
Family
ID=65769214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721267434.3U Withdrawn - After Issue CN208640770U (en) | 2017-09-29 | 2017-09-29 | A kind of full-automatic negative-pressure suction rotating cutting type biopsy needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208640770U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107595324A (en) * | 2017-09-29 | 2018-01-19 | 施康培医疗科技（武汉）有限公司 | A kind of full-automatic negative-pressure aspirates rotating cutting type biopsy needle |
| CN110786957A (en) * | 2019-11-20 | 2020-02-14 | 首都医科大学 | Quantitative excision device for soft tissue in tiny specific area |
-
2017
- 2017-09-29 CN CN201721267434.3U patent/CN208640770U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107595324A (en) * | 2017-09-29 | 2018-01-19 | 施康培医疗科技（武汉）有限公司 | A kind of full-automatic negative-pressure aspirates rotating cutting type biopsy needle |
| CN107595324B (en) * | 2017-09-29 | 2023-07-25 | 陈召娣 | Full-automatic negative pressure suction rotary cut type biopsy needle |
| CN110786957A (en) * | 2019-11-20 | 2020-02-14 | 首都医科大学 | Quantitative excision device for soft tissue in tiny specific area |
| CN110786957B (en) * | 2019-11-20 | 2021-11-16 | 首都医科大学 | Quantitative excision device for soft tissue in tiny specific area |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210207 Address after: 430014 room 612, 6th floor, 128-134 Shengli Street, Jiang'an District, Wuhan City, Hubei Province Patentee after: Delin medical technology (Wuhan) Co.,Ltd. Address before: 5 / F, building c2-4, Optical Valley Biological Innovation Park, 666 Gaoxin Avenue, Donghu high tech Development Zone, Wuhan City, Hubei Province, 430000 Patentee before: SHIKANGPEI MEDICAL TECHNOLOGY (WUHAN) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210726 Address after: 430014 Room 601, 6 / F, 128-134 Shengli Street, Jiang'an District, Wuhan City, Hubei Province Patentee after: Shi Kangpei medical technology (Wuhan) Co.,Ltd. Address before: 430014 room 612, 6th floor, 128-134 Shengli Street, Jiang'an District, Wuhan City, Hubei Province Patentee before: Delin medical technology (Wuhan) Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220905 Address after: Room 3-2, Building 1, Baijinkezi, the intersection of Hongtu Avenue and Yintan Road, Jiangjun Road Street, Dongxihu District, Wuhan City, Hubei Province 430040 Patentee after: Delin medical technology (Wuhan) Co.,Ltd. Address before: 430014 Room 601, 6 / F, 128-134 Shengli Street, Jiang'an District, Wuhan City, Hubei Province Patentee before: Shi Kangpei medical technology (Wuhan) Co.,Ltd. |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190326 Effective date of abandoning: 20230725 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190326 Effective date of abandoning: 20230725 |