CN107595324A - A kind of full-automatic negative-pressure aspirates rotating cutting type biopsy needle - Google Patents
A kind of full-automatic negative-pressure aspirates rotating cutting type biopsy needle Download PDFInfo
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- CN107595324A CN107595324A CN201710906575.3A CN201710906575A CN107595324A CN 107595324 A CN107595324 A CN 107595324A CN 201710906575 A CN201710906575 A CN 201710906575A CN 107595324 A CN107595324 A CN 107595324A
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- China
- Prior art keywords
- sleeve
- needle tubing
- piston
- cavity
- closing member
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The present invention relates to a kind of full-automatic negative-pressure to aspirate rotating cutting type biopsy needle, including piston, sleeve, nook closing member and needle tubing, piston is embedded in sleeve, nook closing member is fixedly connected on the front end of piston, needle tubing is detachably connected on the front end of sleeve, cavity is provided with needle tubing, nook closing member sequentially passes through the front end of sleeve and the cavity of needle tubing, piston is promoted to the front end of sleeve, nook closing member stretches out needle tubing, piston and sleeve are provided with self-retracting device, the front end of needle tubing is provided with the rotary cutting apparatus for being used for cutting down tissue, the arresting device for tissue to be trapped in cavity is additionally provided with the cavity of needle tubing, sleeve lateral wall is provided with the injection-tube connected with cavity.The beneficial effects of the invention are as follows：Automatic negative-pressure resorption, arresting device takes cylinder sample in the rotary cutting apparatus rotary-cut detachment and pipe of the port of needle tubing, and more sufficient with sampling amount under bore, the depth of insertion can control, and ensures safety；Take tissue specimen and cytologic specimen, Double sampling simultaneously.
Description
Technical field
The present invention relates to a kind of medicine equipment, more particularly to a kind of full-automatic negative-pressure suction rotating cutting type biopsy needle.
Background technology
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, can not extract the sample in whole cylinder needle tubing, and nook closing member is first
Stretch out, needle tubing guillotine cutting, automatic preshoot 2cm again, insert that the depth of tissue is uncontrollable, easily cause blood vessels of some weakness tissues
And neurotrosis, it is dangerous.Type hand negative pressure suction type biopsy needle can not automatically generate subnormal ambient, it is necessary to manual withdrawal.And
And both biopsy needles and tissue biopsy can only be done, it is impossible to do cell biopsy.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of full-automatic negative-pressure suction rotating cutting type biopsy needle, can contract automatically
Back stitching core forms vacuum, there is the device for effectively cutting out tissue, and can do tissue biopsy, and and can does cell biopsy.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of full-automatic negative-pressure aspirates rotating cutting type biopsy needle,
Including piston, sleeve, nook closing member and needle tubing, the piston is embedded in the sleeve, and the nook closing member is fixedly connected on the piston
Front end, the needle tubing is fixedly connected on the front end of the sleeve, is provided with cavity in the needle tubing, the nook closing member sequentially passes through institute
The front end of sleeve and the cavity of the needle tubing are stated, promotes the piston to the front end of the sleeve, described in the nook closing member stretches out
Needle tubing, the piston and the sleeve are provided with self-retracting device, for making the nook closing member retract automatically in the needle tubing simultaneously
Form negative pressure tissue is adsorbed onto at the cavity mouth of the needle tubing, the front end of the needle tubing, which is provided with, to be used to cut tissue
The rotary cutting apparatus cut off, the delay for tissue to be trapped in the cavity is additionally provided with the cavity of the needle tubing and is filled
Put, the sleeve lateral wall is provided with the injection-tube connected with the cavity.
The beneficial effects of the invention are as follows：Automatic negative-pressure resorption, in the rotary cutting apparatus rotary-cut detachment and pipe of the port of needle tubing
Arresting device takes cylinder sample to improve sampling success rate, more sufficient with sampling amount under bore, and the depth of insertion can control, and protects
Card safety；Take tissue specimen and cytologic specimen, Double sampling, rotary-cut simultaneously.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, the self-retracting device includes press head, inclined-plane and the block being arranged at outside the sleeve and set
Depression bar, depression bar block and the spring being placed on the piston, the depression bar is through the sleeve and extend out at the inclined-plane simultaneously
Jacked up by the inclined-plane, the depression bar block is arranged at the middle part of the depression bar, described after the depression bar is jacked up by the inclined-plane
Block is stated in depression bar block cocker residence, and the piston passes through the spring, and the spring one end in the middle part of the piston with abutting, separately
One end abuts with the inner chamber front end of the sleeve；Press the depression bar, the depression bar by the depression bar block depress and depart from
The clamping of the block, the sleeve is retracted and drives the nook closing member to retract automatically in the presence of the spring.
Beneficial effect using above-mentioned further scheme is that this self-retracting device is compact-sized, simple to operate.
Further, the piston is provided with backing pin and guide rail, offered in the sleeve respectively with the backing pin and described
The backing pin chute and guide rail sliding chute of guide rail, the backing pin and the guide rail are slided in the backing pin chute and the guide rail respectively
Slide in groove, 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 displacement is excessive after backing pin can prevent piston retraction, leads
Rail smoothes out when can slide 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 provided with sharp sword.
Beneficial effect using above-mentioned further scheme is to rotate needle tubing, and the circular arc bending provided with sharp sword can be by human body
Tissue rotary-cut is got off.
Further, the arresting device includes the taper fin in the cavity front inner wall of the needle tubing, the cone
Shape fin tilts backwards.
It is that taper fin makes the tissue that enters in needle tubing cavity stagnant using the above-mentioned further beneficial effect of scheme
Stay 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 provided with, is easy to hand-held handle, and uniform intervals are gone back on the lateral wall of the sleeve
Provided with anti-skidding ribs.
Beneficial effect using above-mentioned further scheme is to be easy to hand-held in operation, moreover it is possible to it is anti-skidding, prevent from causing to miss
Operation.
Brief description of the drawings
Fig. 1 is the structural representation for the sleeve that a kind of full-automatic negative-pressure provided by the invention aspirates rotating cutting type biopsy needle；
Fig. 2 is the structural representation for the piston that a kind of full-automatic negative-pressure of the present invention aspirates rotating cutting type biopsy needle；
Fig. 3 is the structural representation of handle and guide rail sliding chute that a kind of full-automatic negative-pressure of the present invention aspirates rotating cutting type biopsy needle
Figure；
Fig. 4 is the structural representation for the needle tubing that a kind of full-automatic negative-pressure of the present invention aspirates rotating cutting type biopsy needle；
Fig. 5 is the partial enlarged view for the needle tubing front end that a kind of full-automatic negative-pressure of the present invention aspirates rotating cutting type biopsy needle；
Fig. 6 is the taper fin partial enlargement in a kind of needle tubing of full-automatic negative-pressure suction rotating cutting type biopsy needle of the present invention
Figure.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, sleeve, 2, backing pin chute, 3, injection-tube, 4, buckle, 5, press head, 6, inclined-plane, 7, ribs, 8, handle,
9th, block, 10, piston, 11, nook closing member, 12, guide rail, 13, backing pin, 14, spring, 15, depression bar, 16, depression bar block, 17, needle tubing,
18th, guide rail sliding chute, 19, needle tubing seat, 20, taper fin.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in figures 1 to 6, the present invention provides a kind of full-automatic negative-pressure suction rotating cutting type biopsy needle, including piston 10, sleeve
1st, nook closing member 1 and needle tubing 17, the piston 10 are embedded in the sleeve 1, and the nook closing member 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 provided with cavity in the needle tubing 17, the nook closing member 11 is successively
Through the front end of the sleeve 1 and the cavity of the needle tubing 17, the piston 10 is promoted to the front end of the sleeve 1, it is described
Nook closing member 11 stretches out the needle tubing 17, and the piston 10 and the sleeve 1 are provided with self-retracting device, for making the nook closing member 11
Automatically retract in the needle tubing 17 and form negative pressure and be adsorbed onto tissue at the cavity mouth of the needle tubing 17, the needle tubing 17
Front end be provided with and be used for the rotary cutting apparatus that cuts down tissue, be additionally provided with the cavity of the needle tubing 17 for by human body
For tissue retention in the arresting device of the cavity, the side wall of sleeve 1 is provided with the injection-tube 3 that is connected with the cavity.
The self-retracting device includes press head 5, inclined-plane 6 and the block 9 being arranged at outside the sleeve 1 and is arranged at
Depression bar 15, depression bar block 16 and spring 14 on the piston 10, the depression bar 15 is through the sleeve 1 and extend out to described oblique
Jacked up at face 6 and by the inclined-plane 6, the depression bar block 16 is arranged at the middle part depression bar 15 of the depression bar 15 by described oblique
After face 6 jacks up, block 9 is stated in the cocker residence of depression bar block 16, and the piston 10 passes through the spring 14, the spring 14 1
End abuts with the middle part of piston 10, and the other end abuts with the inner chamber front end of the sleeve 1；Press the depression bar 15, the pressure
The depression bar block 16 is depressed and departs from the clamping with the block 9 by bar 15, the sleeve 1 in the presence of the spring 14
Automatically retract and drive the nook closing member 1 to retract.
The piston 10 is provided with backing pin 13 and guide rail 12, offered in the sleeve 1 respectively with the backing pin 13 and institute
The backing pin chute 2 and guide rail sliding chute 18 of the matching of guide rail 12 are stated, the backing pin 13 and the guide rail 12 are respectively in the backing pin chute 2
With the guide rail sliding chute 18 in slide, the piston 10 when being retracted to 1 rear end of sleeve the backing pin 13 slide into the gear
The rear end of pin runner 2 simultaneously positions.
The rotary cutting apparatus includes the circular arc bending tube section of the front end of needle tubing 17, the front end of the circular arc bending tube section
Provided with sharp sword.
The arresting device includes the taper fin 20 in the cavity front inner wall of the needle tubing 17, the taper wing
Piece 20 tilts backwards.Taper fin 20 is that symmetrical centre is located in needle tubing 17 and provided with multiple in a ring using the axis of needle tubing 17.
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 the convenient connection equipment used in medical industry, and it is gentle that it enormously simplify 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
Put.
The rear end of the sleeve 1, which is provided with, is easy to hand-held handle 8, and going back uniform intervals on the lateral wall of the sleeve 1 is provided with
Anti-skidding ribs 7.
Operation principle：
Press and inject the handle 8 of piston 10 piston 10 is moved to the front end of sleeve 1, while the needle point of nook closing member 11 stretches out pin
Pipe 17 is a little, is operated under ultrasound or CT guidings, biopsy needle percutaneous puncture is approached into swollen thing, by being set on lower piston 10 and sleeve 1
Some auto resilient mountings, 10 quick resilience of piston simultaneously drive nook closing member 11 to bounce back in needle tubing 17, and the negative pressure that moment is formed will be swollen
Thing is adsorbed in 17 mouthfuls of needle tubing, and one section of negative pressure sample space is then formed because nook closing member 11 bounces back, in needle tubing 17, and patient continues inserting needle,
The thing that swollen under negative pressure turns into sample by the top cutting edge ring cutting of needle tubing 17 and into needle tubing 17 is interior, and the inwall of needle tubing 17 is set to oblique screw thread knot
Structure, sample " it is difficult to enter easily abjection ", while the top of needle tubing 17 is provided with rotary cutting apparatus, stops inserting needle after reaching desired depth, no
360 ° of off-axis rotation needle body, the top of needle tubing 17 is provided with eave tile cutting edge by sample detachment, after the withdraw of the needle, injects before piston 10 makes nook closing member 11
Push away, sample is released and carries out histology biopsy.There are micro-assembly robot and cell residue in needle tubing 17, the side wall of sleeve 1 is provided with and cavity
The injection-tube 3 of connection, this injection-tube 3 is connected into syringe, saline injection elution residual micro-assembly robot, be allowed to from 17 mouthfuls of needle tubing
And injection-tube 3 flows out, the tissue eluent can do cytologic slide.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (7)
1. a kind of full-automatic negative-pressure aspirates rotating cutting type biopsy needle, it is characterised in that including piston (10), sleeve (1), nook closing member (11)
With needle tubing (17), the piston (10) is embedded in the sleeve (1) and is slidably connected with the sleeve (1), the nook closing member
(11) front end of the piston (10) is fixedly connected on, the needle tubing (17) is detachably connected on the front end of the sleeve (1), institute
State in needle tubing (17) and be provided with cavity, the nook closing member (11) sequentially passes through the front end of the sleeve (1) and the sky of the needle tubing (17)
Chamber, the piston (10) to the front end of the sleeve (1), the nook closing member (11) is promoted to stretch out the needle tubing (17), the work
Plug (10) and the sleeve (1) are provided with self-retracting device, for making the nook closing member (11) retract automatically the needle tubing (17)
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 provided with, to be used
It is used to tissue being trapped in being additionally provided with the rotary cutting apparatus for cutting down tissue, the cavity of the needle tubing (17)
The arresting device of the cavity, sleeve (1) side wall are provided with the injection-tube (3) connected with the cavity.
A kind of 2. full-automatic negative-pressure suction rotating cutting type biopsy needle according to claim 1, it is characterised in that the automatic retraction
Device includes being arranged at the outer press head (5) of the sleeve (1), inclined-plane (6) and block (9) and is arranged at the piston (10)
On depression bar (15), depression bar block (16) and spring (14), the depression bar (15) through the sleeve (1) and extend out to it is described tiltedly
Face (6) place is simultaneously jacked up by the inclined-plane (6)；The depression bar block (16) is arranged at the middle part of the depression bar (15), the depression bar
(15) after being jacked up by the inclined-plane (6), block (9) is stated in depression bar block (16) the cocker residence；The piston (10) passes through institute
Spring (14) is stated, described spring (14) one end in the middle part of the piston (10) with abutting, before the inner chamber of the other end and the sleeve (1)
End abuts；The depression bar (15) is pressed, the depression bar block (16) is depressed and departed from and the block (9) by the depression bar (15)
Clamping, in the presence of the spring (14) sleeve (1) automatically retracts and drive the nook closing member (1) retract.
A kind of 3. full-automatic negative-pressure suction rotating cutting type biopsy needle according to claim 2, it is characterised in that the piston (10)
Be provided with backing pin (13) and guide rail (12), offered in the sleeve (1) respectively with the backing pin (13) and the guide rail (12)
The backing pin chute (2) and guide rail sliding chute (18) of matching, the backing pin (13) and the guide rail (12) are respectively in the backing pin chute
(2) and in the guide rail sliding chute (18) slide, it is sliding that the piston (10) is retracted to the backing pin (13) during the sleeve (1) rear end
Move to backing pin chute (2) rear end and position.
A kind of 4. full-automatic negative-pressure suction rotating cutting type biopsy needle according to claim 1, it is characterised in that the rotary cutting apparatus
Include the circular arc bending tube section of the needle tubing (17) front end, the front end of the circular arc bending tube section is provided with sharp sword.
A kind of 5. full-automatic negative-pressure suction rotating cutting type biopsy needle according to claim 1, it is characterised in that the arresting device
Including the taper fin (20) in the cavity front inner wall of the needle tubing (17), the taper fin (20) tilts backwards.
6. rotating cutting type biopsy needle is aspirated according to a kind of full-automatic negative-pressure of claim 4 or 5, it is characterised 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 connects.
7. rotating cutting type biopsy needle is aspirated according to a kind of any one of claim 1-5 full-automatic negative-pressures, it is characterised in that described
The rear end of sleeve (1), which is provided with, is easy to hand-held handle (8), and uniform intervals are gone back on the lateral wall of the sleeve (1) provided with anti-skidding
Ribs (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710906575.3A CN107595324B (en) | 2017-09-29 | 2017-09-29 | Full-automatic negative pressure suction rotary cut type biopsy needle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710906575.3A CN107595324B (en) | 2017-09-29 | 2017-09-29 | Full-automatic negative pressure suction rotary cut type biopsy needle |
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| Publication Number | Publication Date |
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| CN107595324A true CN107595324A (en) | 2018-01-19 |
| CN107595324B CN107595324B (en) | 2023-07-25 |
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|---|---|---|---|
| CN201710906575.3A Active CN107595324B (en) | 2017-09-29 | 2017-09-29 | Full-automatic negative pressure suction rotary cut type biopsy needle |
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Cited By (7)
| 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 |
| CN108836404A (en) * | 2018-07-05 | 2018-11-20 | 中南大学湘雅医院 | A kind of cyst wall tissue biopsy device |
| CN109276278A (en) * | 2018-11-28 | 2019-01-29 | 河南牧业经济学院 | Toy subcutaneous mass extracts holder |
| CN111603304A (en) * | 2020-01-05 | 2020-09-01 | 永康市第一人民医院 | Rusty ring type corneal foreign body removing needle |
| CN112869785A (en) * | 2021-01-29 | 2021-06-01 | 重庆市人民医院 | Clinical sampling censorship equipment that uses of department of neurology |
| CN113303837A (en) * | 2021-06-03 | 2021-08-27 | 江阴励德医疗科技有限公司 | Biopsy needle for cutting tissue through rotating needle sheath |
| CN113855097A (en) * | 2021-09-28 | 2021-12-31 | 黄文侨 | Improved biopsy needle |
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| CN107174293A (en) * | 2017-05-24 | 2017-09-19 | 施康培医疗科技（武汉）有限公司 | A kind of Orthopedic biopsy puncture needle component |
| CN208640770U (en) * | 2017-09-29 | 2019-03-26 | 施康培医疗科技（武汉）有限公司 | A kind of full-automatic negative-pressure suction rotating cutting type biopsy needle |
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| CN104799886A (en) * | 2014-01-27 | 2015-07-29 | 浙江万马集团电子有限公司 | Piston cutting type biopsy needle |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108836404A (en) * | 2018-07-05 | 2018-11-20 | 中南大学湘雅医院 | A kind of cyst wall tissue biopsy device |
| CN108577902A (en) * | 2018-07-16 | 2018-09-28 | 黄月亮 | A kind of rotating cutting type biopsy needle |
| CN109276278A (en) * | 2018-11-28 | 2019-01-29 | 河南牧业经济学院 | Toy subcutaneous mass extracts holder |
| CN109276278B (en) * | 2018-11-28 | 2023-09-01 | 河南牧业经济学院 | Small animal subcutaneous tumor drawing holder |
| CN111603304A (en) * | 2020-01-05 | 2020-09-01 | 永康市第一人民医院 | Rusty ring type corneal foreign body removing needle |
| CN112869785A (en) * | 2021-01-29 | 2021-06-01 | 重庆市人民医院 | Clinical sampling censorship equipment that uses of department of neurology |
| CN112869785B (en) * | 2021-01-29 | 2022-09-06 | 重庆市人民医院 | Clinical sample censorship equipment that uses of department of neurology |
| CN113303837A (en) * | 2021-06-03 | 2021-08-27 | 江阴励德医疗科技有限公司 | Biopsy needle for cutting tissue through rotating needle sheath |
| CN113303837B (en) * | 2021-06-03 | 2023-02-21 | 江阴励德医疗科技有限公司 | Biopsy needle for cutting tissue through rotating needle sheath |
| CN113855097A (en) * | 2021-09-28 | 2021-12-31 | 黄文侨 | Improved biopsy needle |
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|---|---|
| CN107595324B (en) | 2023-07-25 |
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Effective date of registration: 20230630 Address after: Room 13, No. 68 Qingji Avenue, Xinshi Town, Jingshan County, Jingmen City, Hubei Province, 431800 Applicant after: Chen Zhaodi 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 Applicant before: SHIKANGPEI MEDICAL TECHNOLOGY (WUHAN) Co.,Ltd. |
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