CN108784754A - A kind of lung aspiration biopsy device - Google Patents
A kind of lung aspiration biopsy device Download PDFInfo
- Publication number
- CN108784754A CN108784754A CN201810349147.XA CN201810349147A CN108784754A CN 108784754 A CN108784754 A CN 108784754A CN 201810349147 A CN201810349147 A CN 201810349147A CN 108784754 A CN108784754 A CN 108784754A
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- China
- Prior art keywords
- fixed plate
- motion bar
- syringe
- rubber stopper
- biopsy device
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of lung aspiration biopsy devices, including syringe, push rod and needle body, the syringe is internally provided with the first fixed plate and the second fixed plate, inlet tube and catheter are installed in first fixed plate, one end of the inlet tube is mounted on the outside of syringe, second fixed plate is mounted on the side of the first fixed plate of installation, there are two fixes sleeves for installation in second fixed plate, the inside of fixes sleeve described in two is separately installed with the first motion bar, second motion bar, one end of first motion bar connects at the end by installing the first rubber stopper and inlet tube, the first compressed spring is installed on the outside of first motion bar, the both ends of first compressed spring respectively with the first rubber stopper, the end face of fixes sleeve connects, the described one end of second motion bar far from fixes sleeve is equipped with the second rubber stopper.The present invention is convenient to use, effectively prevents the phenomenon that sample flows back in sampling process, while can repeatedly be sampled.
Description
Technical field
The present invention relates to medical instruments field, specially a kind of lung aspiration biopsy device.
Background technology
Transthoracic Biopsy is an important measures of diagnosis and treatment pulmonary disease, currently, clinically mainly with puncture needle by
The guiding of CT detectors is punctured, and syringe suction is then connected, and existing puncture needle structure is simple, is used not using process
It is convenient, to medical staff difficulty is added in surgical procedure.
Existing puncture needle exists following insufficient：
1, hollow needle carries out aspiration biopsy by negative-pressure ward, and this hollow needle is after aspirate tissue, due to cavity pressure
For negative pressure, pintle is easy to reset and releases tissue, and sample is caused to flow back, and increases sampling difficulty.
2, simple in structure, in the course of surgery, single puncture can only carry out primary sample, while in sampling process, sample
This volume is limited by the pulling length of push rod.
Invention content
The purpose of the present invention is to provide a kind of lung aspiration biopsy devices, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides the following technical solutions：Including syringe, push rod and needle body, the syringe
Be internally provided with the first fixed plate and the second fixed plate, inlet tube and catheter are installed in first fixed plate, it is described
One end of inlet tube is mounted on the outside of syringe, and second fixed plate is mounted on the side of the first fixed plate of installation, and described the
Installation is there are two fixes sleeve in two fixed plates, and the inside of the fixes sleeve described in two is separately installed with the first motion bar, the
Two motion bars, by being connected at the end of the first rubber stopper of installation and inlet tube, described first lives for one end of first motion bar
First compressed spring is installed on the outside of lever, the both ends of first compressed spring respectively with the first rubber stopper, fixes sleeve
End face connection, the described one end of second motion bar far from fixes sleeve is equipped with the second rubber stopper, second motion bar
The second compressed spring, the side of the other end and the first fixed plate of second compressed spring are equipped with by connecting plate on the outside of middle part
Face is fixedly connected, and the inside of the syringe is equipped with elastic membrane in the side of the second fixed plate, and the end face of the syringe is in feed liquor
The side of pipe is equipped with drain pipe, and the end face of the drain pipe is provided with third rubber stopper, and one end of the push rod is mounted on needle
The inside of cylinder, the one end of the push rod inside syringe are fixedly installed piston, and the other end of the push rod, which is fixedly installed, to be pushed away
Plate, the needle body at connector and feed liquor pipe end by connecting.
Further, the syringe is integrally made of transparent material.
Further, there are four the second compressed spring settings, the second compressed spring described in four is uniformly mounted on
The side of connecting plate.
Further, the end face of described catheter one end is concordant with the side of the first fixed plate, the end face of the drain pipe
It is concordant with the inside barrel of syringe.
Further, the junction of the junction of first rubber stopper and inlet tube, the second rubber stopper and catheter is equal
First sealing ring is installed.
Further, the fixes sleeve described in two is equal with the outside junction of the first motion bar, the second motion bar respectively
Second sealing ring is installed.
Further, the inside barrel of the syringe is fixedly installed limit in side of the elastic membrane far from the second fixed plate
Block.
Further, the inside of the connector is revolved by the external screw thread for internal thread being arranged with outside is arranged at feed liquor pipe end
It closes.
Further, be set as taper of first rubber stopper far from the first motion bar side, and first rubber
The diameter of rubber plug is more than the diameter of inlet tube.
Further, second rubber stopper is set as taper, second rubber stopper close to the side of the second motion bar
Diameter be more than catheter diameter.
Compared with prior art, the beneficial effects of the invention are as follows：
1, by be arranged the first fixed plate, the second fixed plate, in the first fixed plate by open up through-hole install inlet tube,
Catheter, in the second fixed plate install two fixes sleeves, the inside of two fixes sleeves install respectively the first motion bar,
Second motion bar, by being connected at the end of the first rubber stopper of installation and inlet tube at the end of the first motion bar, in the second activity
It is connect by the second rubber stopper with being also switched off at volume end at the end of bar, elastic membrane is installed in the side of the second fixed plate, is passed through
Pull push plate in turn moves the first motion bar, is sampled, and after the completion of single samples, can make second by pressing push plate
Motion bar moves, and sample is moved to side of first fixed plate far from the second movable plate by catheter, so as to carry out repeatedly
Pull presses push plate, carries out multiple sampling, and effectively prevent sample from flowing back, convenient to use；
2, by the way that connector is arranged at the end of needle body, in the inside of connector by being arranged at internal thread and feed liquor pipe end
The external screw thread in outside screws, and then effectively prevents needle body and fall off, and is conveniently replaceable different needle bodies, while syringe is interior
Portion can effectively prevent from living in side setting limited block of the elastic membrane far from the second fixed plate during pressing push plate
Plug is directly contacted with elastic membrane, and then prevents elastic membrane from damaging.
Description of the drawings
Fig. 1 is a kind of lung aspiration biopsy device overall structure diagram of the present invention；
Fig. 2 is the enlarged view at A in a kind of Fig. 1 of lung aspiration biopsy device of the present invention；
A kind of right view of first fixed plate of lung aspiration biopsy device of the positions Fig. 3 present invention.
In Fig. 1-3：1- syringes；2- push rods；3- needle bodies；The first fixed plates of 4-；The second fixed plates of 5-；6- inlet tubes；7- is led
Liquid pipe；8- fixes sleeves；The first motion bars of 9-；The second motion bars of 10-；The first rubber stoppers of 11-；The first compressed springs of 12-；13-
Second rubber stopper；The second compressed springs of 14-；15- elastic membranes；16- drain pipes；17- third rubber stoppers；18- pistons；19- push plates；
20- limited blocks；21- connectors.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution：Including syringe 1, push rod 2 and needle body 3, the syringe 1
Be internally provided with the first fixed plate 4 and the second fixed plate 5, inlet tube 6 and catheter 7 are installed in first fixed plate 4,
One end of the inlet tube 6 is mounted on the outside of syringe 1, and second fixed plate 5 is mounted on the one of the first fixed plate 4 of installation
Side, there are two fixes sleeve 8, the inside of the fixes sleeve 8 described in two is separately installed with for installation in second fixed plate 5
One motion bar 9, the second motion bar 10, one end of first motion bar 9 pass through the end of the first rubber stopper of installation 11 and inlet tube 6
The outside of place's connection, first motion bar 9 is equipped with the first compressed spring 12, the both ends difference of first compressed spring 12
It is connect with the end face of the first rubber stopper 11, fixes sleeve 8, the described one end of second motion bar 10 far from fixes sleeve 8 is equipped with
Second rubber stopper 13 is equipped with the second compressed spring 14 on the outside of the middle part of second motion bar 10 by connecting plate, and described the
The other end of two compressed springs 14 is fixedly connected with the side of the first fixed plate 4, and the inside of the syringe 1 is in the second fixed plate 5
Side elastic membrane 15 is installed, the end face of the syringe 1 is equipped with drain pipe 16, the drain pipe in the side of inlet tube 6
16 end face is provided with third rubber stopper 17, and one end of the push rod 2 is mounted on the inside of syringe 1, and the push rod 2 is in syringe 1
Internal one end is fixedly installed piston 18, and the other end of the push rod 2 is fixedly installed push plate 19, and the needle body 3 passes through company
It is connect at fitting and 6 end of inlet tube.
The syringe 1 is whole to be made of transparent material, is convenient for the volume from 1 internal specimen of external observation syringe.
There are four the settings of second compressed spring 14, and the second compressed spring 14 described in four is uniformly mounted on connecting plate
Side, ensure the second motion bar 10 uniform force in the process of moving, to effectively prevent during sample drawn
Only internal reflux of the sample from syringe 1.
The end face of 7 one end of the catheter is concordant with the side of the first fixed plate 4, the end face of the drain pipe 16 and syringe
1 inside barrel is concordant, can smoothly enter in catheter 7 from the side of the first fixed plate 4 convenient for sample, and can have
The guarantee sample of effect can smoothly take out from the inside of syringe 1.
First rubber stopper 11 is respectively mounted with the junction of inlet tube 6, the junction of the second rubber stopper 13 and catheter 7
There is the first sealing ring, ensures the leakproofness of device whole interior, prevent sample from flowing back.
Outside junction of the fixes sleeve 8 respectively with the first motion bar 9, the second motion bar 10 described in two is mounted on
Second sealing ring ensures that the pressure inside device is stablized, the first motion bar 9, second can be made during supercharging or decompression
Motion bar 10 is smoothly mobile.
The inside barrel of the syringe 1 is fixedly installed limited block 20 in side of the elastic membrane 15 far from the second fixed plate 5,
The position of piston 18 is defined, to effectively prevent from damaging elastic membrane 15.
The inside of the connector 21 is screwed by the external screw thread for internal thread being arranged with outside is arranged at 6 end of inlet tube, is protected
The stable connection of needle body 3 and syringe 1 is demonstrate,proved, and is conveniently replaceable.
Be set as taper of first rubber stopper 11 far from 9 side of the first motion bar, and first rubber stopper 11
Diameter be more than inlet tube 6 diameter.
Second rubber stopper 13 is set as taper close to the side of the second motion bar 10, second rubber stopper 13 it is straight
Diameter is more than the diameter of catheter 7.
Operation principle：When carrying out sample drawn, needle body 3 is inserted into the internal of patient, by push rod 2 and push plate 19 to
Side far from syringe 1 pulls, and to reduce the pressure between piston 18 and elastic membrane 15, and elastic membrane 15 is to piston 18 1
Side is close, and during pulling, due to pressure difference, the first motion bar 9 and the second motion bar 10 are to close to elasticity
The side of film 15 is moved, and the first motion bar 9 in the process of moving, compress, and then makes internal sample by the first compressed spring 12
Entered between the first fixed plate 4 and the second fixed plate 5 by inlet tube 6, simultaneously because the end of the second motion bar 10 is in drain
The outside of pipe 7 is provided with the second rubber stopper 13, and then the second motion bar 10 will not move at this time, ensure that and is pulling push rod 2
In the process, can continue sample, when push rod 2 remains stationary as, under the action of the first compressed spring 12, the first motion bar 9 and
First rubber stopper 11 resets, and after the completion of single samples, presses push plate 19 to close to the end of syringe 1, and then increase elastic membrane 15
With the pressure between piston 18, at this time the first motion bar 9 will not move, the second motion bar 10 is moved to one end far from elastic membrane 15
It is dynamic, so that the sample between the first fixed plate 4, the second fixed plate 5 is passed through catheter 7 and is moved to the first fixed plate 4 close to drain pipe
16 side, pull repeatedly presses push plate 19, and then can repeatedly be sampled, while effectively can prevent sample from flowing back,
After the completion of sampling, by opening third rubber stopper 17, the sample inside syringe 1 is taken out.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of lung aspiration biopsy device, including syringe (1), push rod (2) and needle body (3), it is characterised in that：The syringe (1)
Be internally provided with the first fixed plate (4) and the second fixed plate (5), be equipped on first fixed plate (4) inlet tube (6) and
Catheter (7), one end of the inlet tube (6) are mounted on the outside of syringe (1), and second fixed plate (5) is mounted on installation
The side of first fixed plate (4), installation is there are two fixes sleeve (8) on second fixed plate (5), the fixing sleeve described in two
The inside of cylinder (8) is separately installed with the first motion bar (9), the second motion bar (10), and one end of first motion bar (9) passes through
It installs and is connect at the first rubber stopper (11) and the end of inlet tube (6), the first compression is installed on the outside of first motion bar (9)
The both ends of spring (12), first compressed spring (12) connect with the end face of the first rubber stopper (11), fixes sleeve (8) respectively
It connects, the one end of second motion bar (10) far from fixes sleeve (8) is equipped with the second rubber stopper (13), second motion bar
(10) the second compressed spring (14) is equipped with by connecting plate on the outside of middle part, the other end of second compressed spring (14) with
The side of first fixed plate (4) is fixedly connected, and the inside of the syringe (1) is flexible in the installation of the side of the second fixed plate (5)
The end face of film (15), the syringe (1) is equipped with drain pipe (16), the end of the drain pipe (16) in the side of inlet tube (6)
Face is provided with third rubber stopper (17), and one end of the push rod (2) is mounted on the inside of syringe (1), and the push rod (2) is in syringe
(1) internal one end is fixedly installed piston (18), and the other end of the push rod (2) is fixedly installed push plate
(19), the needle body (3) at connector and inlet tube (6) end by connecting.
2. a kind of lung aspiration biopsy device according to claim 1, it is characterised in that：The syringe (1) is integrally using transparent
Material is made.
3. a kind of lung aspiration biopsy device according to claim 1, it is characterised in that：Second compressed spring (14) setting
There are four, the second compressed spring (14) described in four is uniformly mounted on the side of connecting plate.
4. a kind of lung aspiration biopsy device according to claim 1, it is characterised in that：The end face of described catheter (7) one end
Concordant with the side of the first fixed plate (4), the end face of the drain pipe (16) is concordant with the inside barrel of syringe (1).
5. a kind of lung aspiration biopsy device according to claim 1, it is characterised in that：First rubber stopper (11) and feed liquor
Junction, the second rubber stopper (13) and the junction of catheter (7) for managing (6) are mounted on the first sealing ring.
6. a kind of lung aspiration biopsy device according to claim 1, it is characterised in that：Fixes sleeve (8) point described in two
Outside junction not with the first motion bar (9), the second motion bar (10) is mounted on the second sealing ring.
7. a kind of lung aspiration biopsy device according to claim 1, it is characterised in that：The inside barrel of the syringe (1) exists
Side of the elastic membrane (15) far from the second fixed plate (5) is fixedly installed limited block (20).
8. a kind of lung aspiration biopsy device according to claim 1, it is characterised in that：The inside of the connector (21) passes through
Internal thread is set and the external screw thread of outside setting at inlet tube (6) end screws.
9. a kind of lung aspiration biopsy device according to claim 1, it is characterised in that：First rubber stopper (11) is far from the
One motion bar (9) side is set as taper, and the diameter of first rubber stopper (11) is more than the diameter of inlet tube (6).
10. a kind of lung aspiration biopsy device according to claim 1, it is characterised in that：Second rubber stopper (13) is close
The side of second motion bar (10) is set as taper, and the diameter of second rubber stopper (13) is more than the diameter of catheter (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810349147.XA CN108784754B (en) | 2018-04-18 | 2018-04-18 | Lung puncture biopsy device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810349147.XA CN108784754B (en) | 2018-04-18 | 2018-04-18 | Lung puncture biopsy device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108784754A true CN108784754A (en) | 2018-11-13 |
| CN108784754B CN108784754B (en) | 2021-05-28 |
Family
ID=64094339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810349147.XA Expired - Fee Related CN108784754B (en) | 2018-04-18 | 2018-04-18 | Lung puncture biopsy device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108784754B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109480919A (en) * | 2018-12-29 | 2019-03-19 | 刘石龙 | A kind of department of general surgery's clinical sampling device |
| CN112890877A (en) * | 2019-11-19 | 2021-06-04 | 西安交通大学医学院第一附属医院 | Nephrology department biopsy puncture device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0863777B1 (en) * | 1995-09-28 | 2005-01-26 | Liebel-Flarsheim Company | Limited backflow reflux valve |
| CN101554498A (en) * | 2009-05-21 | 2009-10-14 | 陈凯 | Needleless injection system used for continuously injecting animals |
| CN204260753U (en) * | 2014-12-04 | 2015-04-15 | 李登瑞 | Liquid suction pipe syringe needle |
| CN207186671U (en) * | 2017-03-01 | 2018-04-06 | 新乡医学院第一附属医院 | A kind of novel pleural cavity puncturing drainage apparatus |
-
2018
- 2018-04-18 CN CN201810349147.XA patent/CN108784754B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0863777B1 (en) * | 1995-09-28 | 2005-01-26 | Liebel-Flarsheim Company | Limited backflow reflux valve |
| CN101554498A (en) * | 2009-05-21 | 2009-10-14 | 陈凯 | Needleless injection system used for continuously injecting animals |
| CN204260753U (en) * | 2014-12-04 | 2015-04-15 | 李登瑞 | Liquid suction pipe syringe needle |
| CN207186671U (en) * | 2017-03-01 | 2018-04-06 | 新乡医学院第一附属医院 | A kind of novel pleural cavity puncturing drainage apparatus |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109480919A (en) * | 2018-12-29 | 2019-03-19 | 刘石龙 | A kind of department of general surgery's clinical sampling device |
| CN109480919B (en) * | 2018-12-29 | 2021-09-17 | 刘石龙 | Clinical sampling device of department of general surgery |
| CN112890877A (en) * | 2019-11-19 | 2021-06-04 | 西安交通大学医学院第一附属医院 | Nephrology department biopsy puncture device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108784754B (en) | 2021-05-28 |
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