CN209186766U - Puncture sampler - Google Patents
Puncture sampler Download PDFInfo
- Publication number
- CN209186766U CN209186766U CN201821077558.XU CN201821077558U CN209186766U CN 209186766 U CN209186766 U CN 209186766U CN 201821077558 U CN201821077558 U CN 201821077558U CN 209186766 U CN209186766 U CN 209186766U
- Authority
- CN
- China
- Prior art keywords
- needle
- sampling
- negative pressure
- pin hole
- puncture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses sampler is punctured, sampler field is related generally to.Including needle handle, negative pressure device, punctures outer needle and sample interior needle；The negative pressure device includes negative pressure bag, negative pressure switch, connecting tube, and the negative pressure bag, negative pressure switch are arranged on needle handle, and the connecting tube other end is connected on interior needle stand；The needle body part of needle is arranged in the needle cavity for puncturing outer needle in the sampling, the outer needle of the puncture is equipped with multiple outer pin holes close to syringe needle one end, needle is equipped with sampling pin hole corresponding with outer pin hole position in the sampling, the edge of the sampling pin hole is sharp blade, and needle bottom, which is removably connected with, in the sampling sets sample cylinder.The utility model has the beneficial effects that: the use of the present apparatus being not in that can guarantee that the tissue sample size of disposable puncture sampling is appropriate the phenomenon that puncturing sampling failure.
Description
Technical field
The utility model relates to sampler fields, specifically puncture sampler.
Background technique
Currently, being clinically to be sampled using puncture needle to cell and tissue specimen in tumour checkout procedure, then do
Pathological examination, this is the important means for diagnosing tumour property.
When using being sampled in common puncture needle piercing tumour, when syringe needle reaches affected area, doctor can be as fast as possible
Extraction tissue samples, and withdraw from puncture needle, since the diameter of puncture needle is smaller, meeting when solid tissue's sample is extracted in operation
Occur puncturing the situation that sampling fails or the tissue sample size of puncture sampling is very little.
Utility model content
The purpose of this utility model is to provide sampler is punctured, it is not in energy the phenomenon that puncturing sampling failure
Enough guarantee that the tissue sample size of disposable puncture sampling is appropriate.
The utility model to achieve the above object, is achieved through the following technical solutions:
Sampler, including needle handle and puncture needle body are punctured, further includes negative pressure device, the puncture needle body includes that puncture is outer
Needle and needle in sampling, interior needle stand be clamped with needle handle bottom are equipped in the sampling, the outer needle top of the puncture is equipped at the top of needle
With the outer needle stand of interior needle stand clamping, can be rotated between the outer needle stand and interior needle stand；The negative pressure device includes negative pressure bag, negative pressure
Switch, connecting tube, the negative pressure bag, negative pressure switch are arranged on needle handle, and described connecting tube one end is connect with negative pressure switch, described
The connecting tube other end is connected on interior needle stand, and is connected to the needle cavity for sampling interior needle；The needle body part setting of needle exists in the sampling
In the needle cavity for puncturing outer needle, the outer needle of the puncture is equipped with multiple outer pin holes close to syringe needle one end, in the sampling needle equipped with
The edge of the corresponding sampling pin hole in outer pin hole position, the sampling pin hole is sharp blade, and needle bottom can in the sampling
Dismantling connection sets sample cylinder.
The needle body part diameter of needle is 0.05mm~0.15mm smaller than puncturing outer needle needle cavity internal diameter in the sampling.
The outer pin hole and sampling pin hole vertical setting of types are equidistantly equipped with three groups.
In the sampling needle bottom with set sample cylinder interference fit abut by way of be detachably connected.
The prior art is compared, the utility model has the beneficial effects that:
When using being sampled in present apparatus piercing tumour, keep outer pin hole opposite with sampling probe hole site, then the right hand
Needle handle is held to be punctured；After syringe needle reaches affected area, negative pressure switch is opened, makes negative pressure bag, negative pressure switch, connecting tube, take
The needle cavity connection of needle in sample, under the action of negative pressure, the tissue of affected area is sucked by negative pressure and is taken by outer pin hole, sampling pin hole
In sample in the needle cavity of needle, then left hand is by the outer needle stand of column, right hand rotation needle handle, and needle is also puncturing outer needle in corresponding sampling
Rotation, outer pin hole are relatively moved with sampling probe hole site in needle cavity, and the edge for sampling pin hole is sharp blade, can be incited somebody to action
The tissue samples excision in sampling in needle needle cavity is sucked by negative pressure, removed tissue samples can stay in needle needle cavity in sampling
It is interior, it is thus not in puncture the phenomenon that sampling fails, and outer pin hole and sampling pin hole vertical setting of types are equidistantly equipped with multiple groups, it can
Guarantee that the tissue sample size of disposable puncture sampling is appropriate.Needle in puncturing outer needle and sampling is withdrawn from after sampling, will puncture outer needle
It is removed from needle handle with needle in sampling, is stretched to from interior needle stand in the needle cavity for sampling interior needle with the needle of disclosing of disinfection, interior needle will be sampled
Tissue samples in needle cavity disclose setting in sample cylinder to bottom, and then will set sample cylinder after the disassembly of needle bottom, can be used to out of sample
The pathological examination of next step.
Detailed description of the invention
Attached drawing 1 is the utility model external structure schematic diagram,
Attached drawing 2 is the utility model broken section structural schematic diagram,
Attached drawing 3 is the portion I enlarged drawing in the utility model attached drawing 2.
Attached drawing 4 is needle bottom end partial structural diagram in sampling in the utility model.
Label shown in attached drawing:
1, needle handle；2, outer needle is punctured；3, needle in sampling；4, interior needle stand；5, outer needle stand；6, negative pressure bag；7, negative pressure switch；8,
Connecting tube；9, outer pin hole；10, pin hole is sampled；11, blade；12, sample cylinder is set.
Specific embodiment
The present invention will be further illustrated below in conjunction with specific embodiments.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content for having read the utility model instruction
Later, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this Shen
It please limited range.
Described in the utility model is to puncture sampler, and main structure includes needle handle 1 and punctures needle body, further includes negative pressure dress
It sets, the puncture needle body includes needle 3 in puncturing outer needle 2 and sampling, and is equipped at the top of needle 3 in the sampling and is clamped with 1 bottom of needle handle
Interior needle stand 4, be equipped with the outer needle stand 5 be clamped with interior needle stand 4 at the top of the outer needle 2 of the puncture, the outer needle stand 5 and interior needle stand 4 it
Between can be rotated；The negative pressure device includes negative pressure bag 6, negative pressure switch 7, connecting tube 8, and the negative pressure bag 6, negative pressure switch 7 are arranged
On needle handle 1, described 8 one end of connecting tube is connect with negative pressure switch 7, and negative pressure switch 7 controls the company between negative pressure bag 6, connecting tube 8
It is logical.8 other end of connecting tube is connected on interior needle stand 4, and is connected to the needle cavity for sampling interior needle 3；The needle of needle 3 in the sampling
Body portion is arranged in the needle cavity for puncturing outer needle 2, and the outer needle 2 of the puncture is equipped with multiple outer pin holes 9, the sampling close to syringe needle one end
Interior needle 3 is equipped with sampling pin hole 10 corresponding with outer 9 position of pin hole, and the edge of the sampling pin hole 10 is sharp blade
11,3 bottom of needle, which is removably connected with, in the sampling sets sample cylinder 12.
The needle body part diameter of needle 3 is 0.05mm~0.15mm smaller than puncturing outer 2 needle cavity internal diameter of needle in the sampling.The present embodiment
Middle value is 0.1mm, can either be inserted into outer 2 needle cavity of needle of puncture convenient for that will sample the needle body part of interior needle 3 in this way, also can be most
The increase of limits samples the needle body part diameter of interior needle 3, keeps the needle cavity internal diameter for sampling interior needle 3 big as far as possible, to store quilt
The tissue samples of excision.
The outer pin hole 9 and sampling 10 vertical setting of types of pin hole are equidistantly equipped with three groups.This guarantees one-time puncture samplings to cut
Except 3 groups of tissue samples are obtained, it can guarantee that the tissue sample size of disposable puncture sampling is appropriate.
In the sampling 3 bottom of needle with set sample cylinder 12 interference fit abut by way of be detachably connected.Puncture outer needle 2
With itself diameter of needle 3 in sampling with regard to very little, therefore it is not suitable for being threadedly coupled, the screw thread process difficulty of threaded connection is big, therefore,
The present apparatus is detachably connected in such a way that interference fit abuts, and reduces processing cost while guaranteeing practical.
Application method:
It is pierced into using the present apparatus before being sampled in tumour, first has to be checked, it is ensured that outer pin hole 9 and sampling pin hole
10 positions are opposite, and then the right hand is held needle handle 1 and punctured.
In puncture process when syringe needle reach affected area after i.e. stop puncture, with thumb open negative pressure switch 7, make negative pressure bag 6,
Negative pressure switch 7, connecting tube 8, sample in needle 3 needle cavity connection, under the action of negative pressure, the tissue of affected area by outer pin hole 9,
Sampling pin hole 10 is sucked into the needle cavity for sampling interior needle 3 by negative pressure, and then left hand is by the outer needle stand 5 of column, right hand rotation needle handle 1, phase
Needle 3 also rotates in the needle cavity for puncturing outer needle 2 in corresponding sampling, and outer pin hole 9 is relatively moved with sampling 10 position of pin hole,
The edge for sampling pin hole 10 is sharp blade 11, can cut the tissue samples that be sucked into sampling in 3 needle cavity of needle by negative pressure
It removes, removed tissue samples can stay in sampling in 3 needle cavity of needle, thus be not in the phenomenon that puncturing sampling failure.And
And outer pin hole 9 and sampling 10 vertical setting of types of pin hole are equidistantly equipped with multiple groups, can guarantee that the tissue sample size of disposable puncture sampling is suitable
Amount.
Needle 3 in puncturing outer needle 2 and sampling is withdrawn from after sampling, will be punctured needle 3 in outer needle 2 and sampling and be removed from needle handle 1, and use
The needle of disclosing of disinfection is stretched to from interior needle stand 4 in the needle cavity for sampling interior needle 3, and the tissue samples that will be sampled in 3 needle cavity of interior needle are disclosed on earth
Portion is set in sample cylinder 12, then will be set sample cylinder 12 and after the disassembly of 3 bottom of needle, be can be used to the pathology inspection of next step out of sample
It looks into.
Claims (4)
1. puncturing sampler, including needle handle (1) and puncture needle body, it is characterised in that: it further include negative pressure device, the puncture needle
Body includes needle (3) in puncturing outer needle (2) and sampling, and is equipped with the interior needle being clamped with needle handle (1) bottom at the top of needle (3) in the sampling
Seat (4), outer needle (2) top of the puncture are equipped with the outer needle stand (5) being clamped with interior needle stand (4), the outer needle stand (5) and interior needle stand
(4) it can be rotated between；The negative pressure device includes negative pressure bag (6), negative pressure switch (7), connecting tube (8), the negative pressure bag (6),
Negative pressure switch (7) is arranged on needle handle (1), and described connecting tube (8) one end is connect with negative pressure switch (7), and the connecting tube (8) is another
One end is connected on interior needle stand (4), and is connected to the needle cavity for sampling interior needle (3)；The needle body part setting of needle (3) exists in the sampling
In the needle cavity for puncturing outer needle (2), the outer needle (2) of the puncture is equipped with multiple outer pin holes (9), needle in the sampling close to syringe needle one end
(3) it is equipped with sampling pin hole (10) corresponding with outer pin hole (9) position, the edge of sampling pin hole (10) is sharp knife
Sword (11), needle (3) bottom, which is removably connected with, in the sampling sets sample cylinder (12).
2. puncturing sampler according to claim 1, it is characterised in that: the needle body part diameter ratio of needle (3) in the sampling
Puncture the small 0.05mm~0.15mm of outer needle (2) needle cavity internal diameter.
3. puncturing sampler according to claim 1, it is characterised in that: the outer pin hole (9) and sampling pin hole (10) are perpendicular
Row is equidistantly equipped with three groups.
4. puncturing sampler according to claim 1, it is characterised in that: needle (3) bottom and set sample cylinder in the sampling
(12) it is detachably connected in such a way that interference fit abuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821077558.XU CN209186766U (en) | 2018-07-08 | 2018-07-08 | Puncture sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821077558.XU CN209186766U (en) | 2018-07-08 | 2018-07-08 | Puncture sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209186766U true CN209186766U (en) | 2019-08-02 |
Family
ID=67403206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821077558.XU Expired - Fee Related CN209186766U (en) | 2018-07-08 | 2018-07-08 | Puncture sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209186766U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111345854A (en) * | 2020-03-12 | 2020-06-30 | 青岛大学附属医院 | Marrow biopsy needle |
| WO2022104535A1 (en) * | 2020-11-17 | 2022-05-27 | 苏州市立普医疗科技有限公司 | Puncture needle having flat tip |
-
2018
- 2018-07-08 CN CN201821077558.XU patent/CN209186766U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111345854A (en) * | 2020-03-12 | 2020-06-30 | 青岛大学附属医院 | Marrow biopsy needle |
| WO2022104535A1 (en) * | 2020-11-17 | 2022-05-27 | 苏州市立普医疗科技有限公司 | Puncture needle having flat tip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190802 Termination date: 20200708 |