CN207152608U - A kind of biological tissue punctures sampling probe - Google Patents
A kind of biological tissue punctures sampling probe Download PDFInfo
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- CN207152608U CN207152608U CN201621097168.XU CN201621097168U CN207152608U CN 207152608 U CN207152608 U CN 207152608U CN 201621097168 U CN201621097168 U CN 201621097168U CN 207152608 U CN207152608 U CN 207152608U
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- cutter
- negative pressure
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- puncture tube
- sampling probe
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Abstract
The utility model discloses a kind of biological tissue to puncture sampling probe, including hollow puncture tube, and cutter is set with the hollow puncture tube pipe；Thief hole is offered on the tube wall of the hollow puncture tube front end；The cutter is tubular cutter, and the front end of cutter is put the first edge on a knife or a pair of scissors；The cutter uses hollow cylinder structure, afterbody connection negative pressure generating device；The hollow puncture tube front end is solid prong structure.The sample that be will sink into while cutter is inserted in thief hole separates with body, and wound area is small, and cutting is easy；Cutter afterbody connects negative pressure generating device, and the sample after cutter pair can separate with body is adsorbed and extracted；Hollow puncture tube end is solid prong structure, can effectively prevent sample from dropping out needle body region.Meanwhile using solid head end face can be kept smooth, beneficial to puncture.The utility model solves the problems, such as that wound is big during existing tissue penetration sampling probe sampling and can not the more sub-samplings of one-time puncture.
Description
Technical field
Living body sampling equipment technical field is the utility model is related to, more particularly to a kind of biological tissue punctures sampling probe.
Background technology
In clinical research and diagnosis, the position that study or diagnose is adopted frequently with the method for living body sampling
Sample.The position or tissue that to study or analyze are sampled, then the sample of taking-up is cultivated and examined, is obtained
With convincingness and targetedly result or conclusion.In the application for extracting a small amount of sample, living body sampling pin is a kind of important
Apparatus, because its surface of a wound is small, operation is flexibly widely accepted.
Existing Chinese patent CN201010154334.6 provides a kind of biopsy needle group that active organization's inspection is punctured for bone
Close, including solid puncture needle, there is the hollow pipe sampling probe for boring tubular front end, the cutting parallel to needle tubing axle in needle wall
Face opening, and located at the edge needle tubing circumference of section opening one it is tangentially extending go out cutter.
But above-mentioned technology needs solid puncture needle and service aisle sleeve pipe coordinating insertion group using complex first
Knit, solid puncture needle is taken out；Then hollow pipe sampling probe is inserted from service aisle tail end of conduit, rotates hollow pipe sampling probe
Purpose sample is separated with tissue, its internal sample is drawn with copper bar after extraction hollow pipe sampling probe.The technical operation is complicated,
And draw its internal sample distance farther out with copper bar, sample may be caused to damage.
Utility model content
The purpose of this utility model is that providing a kind of biological tissue punctures sampling probe, solves existing tissue penetration sampling probe
During sampling wound it is big and can not one-time puncture more sub-samplings the problem of.
To achieve the above object, above-mentioned technique effect is reached, the utility model solves above-mentioned ask by the following technical programs
Topic：
A kind of biological tissue punctures sampling probe, including hollow puncture tube, and cutter is set with the hollow puncture tube pipe；Institute
State and offer thief hole on the tube wall of hollow puncture tube front end；Put the first edge on a knife or a pair of scissors the cutter front end.
The utility model ring set type sampling probe, outer layer are hollow puncture tube, and internal layer is cutter.Hollow puncture tube front end
Thief hole is offered on tube wall, hollow puncture tube is punctured into lesion tissue position, due to the interaction between pressure and tissue,
Part lesion tissue can sink into the shrinkage pool of thief hole.Treat that hollow puncture tube is placed to finish, utilize the tissue in cutter device to hole
Cut, realize the separation of sample and body.The more existing side that cutter are extended to rotary-cut focus outside hollow pipe of this method
Method, cutting speed is fast, and wound face is small.
The improvement of sampling probe is punctured as a kind of above-mentioned biological tissue of the utility model, the cutter cuts for tubulose
Device, the front end of cutter are put the first edge on a knife or a pair of scissors.The tubular structure that cutter is arranged to put the first edge on a knife or a pair of scissors front end, caliber and hollow puncture bore
Match somebody with somebody, the cutting of lesion tissue, is not required to many more manipulations in can completing to thief hole during cutter reach.
The improvement of sampling probe is punctured as a kind of above-mentioned biological tissue of the utility model, the cutter uses hollow cylinder
Structure, afterbody connection negative pressure generating device.Tissue after cutting is located in cutter or end, in the negative pressure generation of afterbody connection
Under device effect, using the sucking action of negative pressure, cut down sample will be mobile to cutter afterbody or be adsorbed in cutting
The device mouth of pipe, taking-up cutter can obtain sample tissue out of hollow puncture tube.So, hollow puncture tube can not taken out
In the case of repeat and complete above-mentioned sampling operation.
The improvement of sampling probe is punctured as a kind of above-mentioned biological tissue of the utility model, the negative pressure generating device includes sky
The negative pressure cylinder of heart cylindrical structure, slidable connection is fixedly arranged at the front end with the core bar of plug in negative pressure cylinder cylinder.Negative pressure is less than normal pressure
Gas pressure state, when container air pressure inside is changed into negative pressure from normal pressure, using the pressure between external atmosphere pressure and this negative pressure
Difference effect, reaches the purpose for adsorbing object.The negative pressure maker that the utility model uses is identical with syringe principle, utilizes core
The plug of bar front end closes negative pressure cylinder, and while core bar is pulled out, the air pressure inside of negative pressure cylinder and cutter is by normal pressure
It is changed into negative pressure, produces suction-operated, realizes the purpose of cutter front end adsorption sample.
The improvement of sampling probe is punctured as a kind of above-mentioned biological tissue of the utility model, the hollow puncture tube front end is real
Apex of the heart header structure.When not opening negative pressure maker, the sample to get off via cutter cuts is located at cutter front end or port,
Using opening syringe needle, sample may drop out needle body region, cause extraction difficult.Sample can be protected using solid tip
Shield, while cutter can also be positioned.Further, using solid prong structure puncture needle end face can be kept smooth, had
Beneficial to puncture procedure.
The improvement of sampling probe is punctured as a kind of above-mentioned biological tissue of the utility model, the thief hole is arc shrinkage pool.
Because the influence of internal pressure and cell-cell interaction forms convex surface in thief hole, design arcuation shrinkage pool can make lesion tissue
More tissues enter in groove, while can also avoid harder tissue after lesion from cannot be introduced into the situation generation of thief hole.
The beneficial effects of the utility model are：
1st, the sample that be will sink into while cutter is inserted in thief hole separates with body, more existing to extend cutter
Outside to hollow pipe for rotary-cut focus, wound face is small, and cutting technique is easy.
2nd, cutter afterbody connection negative pressure generating device, the sample after cutter pair can separate with body adsorb, with
Cutter is removed and obtained from hollow puncture tube, be may be implemented in and is not taken out multiple repairing weld in the case of hollow puncture tube.
3rd, hollow puncture tube front end is solid prong structure, can effectively prevent sample from dropping out needle body region.Meanwhile using reality
Apex of the heart header structure can keep end face smooth, beneficial to puncture.
The utility model can preferably solve wound during the sampling of existing tissue penetration sampling probe it is big and can not one-time puncture it is multiple
The problem of sampling.
Brief description of the drawings
Fig. 1 is that a kind of biological tissue punctures sampling probe profile；
Fig. 2 is hollow puncture tube schematic diagram；
Fig. 3 is cutter schematic diagram；
Fig. 4 is negative pressure generating device schematic diagram.
Figure number identifies：10th, hollow puncture tube, 11, thief hole, 12, handle, 20, cutter, 21, sword, 22, base, 30,
Negative pressure maker, 31, negative pressure cylinder, 32, plug, 33, core bar.
Embodiment
The utility model is described in further detail with reference to embodiments, but the utility model is not limited to following implementation
Example.
A kind of biological tissue punctures sampling probe described in this example, and as shown in Figure 1, needle body is cylindrical type ring set structure, interior
Portion is the cutter 20 of tubulose, and outside is hollow puncture tube 10.As shown in Figures 1 and 2, outside hollow puncture tube 10 is
The hollow structure of afterbody opening, front end are solid prong structure, available for puncture skin or tissue divots.Before hollow puncture tube 10
The pipe wall position at end offers arc thief hole 11, and afterbody is provided with ring-shaped handle 12.Using cabochon shrinkage pool thief hole 11, just
It is absorbed in lesion tissue.
As shown in accompanying drawing 1 and accompanying drawing 3, cutter 20 is similarly open column shape pipe 10, and mouth of pipe annular end face puts the first edge on a knife or a pair of scissors 21, is used for
Cutting is recessed into the lesion tissue in thief hole 11.The tail end of cutter 20 sets ring-type base 22, base 22 and cutter 20
Central axis overlaps.
As shown in accompanying drawing 1 and accompanying drawing 4, what is be connected with the rear end base of cutter 20 is the negative pressure cylinder of negative pressure generating device 30
31, the inner slidable of negative pressure cylinder 31 is connected with plug 32, and the radial shape of plug 32 and size are identical with the internal diameter of negative pressure cylinder 31, can
The space of the front side of plug 32 in effective closed negative pressure cylinder 31.This example uses double-deck plug 32, can effectively completely cut off in negative pressure cylinder 31
The gas of front and rear sides.The afterbody axial location of plug 32 is fixedly connected with core bar 33, and under the drive of core bar 33, plug 32 is realized
Moved along the axis direction of negative pressure cylinder 31, so as to reach the purpose of regulation 31 interior air pressure of negative pressure cylinder.
The operation principle of the present embodiment is：
Open column shape pipe 10 is punctured into targeted site position first, after will be connected to the cutter of negative pressure generating device 30
In the pipe sleeve of 20 insertion open column shape pipes 10, the cutting of sample is completed.Now the plug 32 of negative pressure maker 30 is located at negative pressure cylinder
The front end of 31 inwalls.
The sword 21 of the front end of cutter 20 to be cut is reached on the inside of the solid tip of open column shape pipe 10, keeps open column shape pipe
10th, in the case that cutter 20, the relative position of negative pressure cylinder 31 are constant, core bar 33 is pulled back, drives plug 32 along axis side
It is moved back 1/3~2/3 distance.Negative pressure cylinder 31 is set to be in negative pressure state with the inside of cutter 20, now can be to the end of cutter 20
Sample produce absorption.
Finally, cutter 20 and negative pressure maker 30 are taken out out of open column shape pipe 10, required target sample, which is located at, to be cut
The inside of cutter 20 or endface position, core bar 33 is promoted along axis direction, negative pressure state is released, divides sample and cutter 20
From obtaining sample to be studied.
Embodiment of the present utility model is described in detail above in association with accompanying drawing, but the utility model be not limited to it is described
Embodiment.For a person skilled in the art, it is right in the case where not departing from principle of the present utility model and spirit
These embodiments carry out a variety of change, modification, replacement and modification and still fallen within the scope of protection of the utility model.
Claims (2)
1. a kind of biological tissue punctures sampling probe, including hollow puncture tube (10), it is characterised in that：The hollow puncture tube (10)
Suit cutter (20) in pipe；Thief hole (11) is offered on the tube wall of hollow puncture tube (10) front end；The cutter
(20) it is tubular cutter, the front end of cutter is put the first edge on a knife or a pair of scissors (21)；The cutter (20) uses hollow cylinder structure, afterbody connection
Negative pressure generating device (30)；Hollow puncture tube (10) front end is solid prong structure, and thief hole (11) is arc shrinkage pool.
2. a kind of biological tissue according to claim 1 punctures sampling probe, it is characterised in that：The negative pressure generating device
(30) negative pressure cylinder (31) of hollow cylinder structure is included, slidable connection is fixedly arranged at the front end with plug (32) in negative pressure cylinder (31) cylinder
Core bar (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621097168.XU CN207152608U (en) | 2016-09-28 | 2016-09-28 | A kind of biological tissue punctures sampling probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621097168.XU CN207152608U (en) | 2016-09-28 | 2016-09-28 | A kind of biological tissue punctures sampling probe |
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| Publication Number | Publication Date |
|---|---|
| CN207152608U true CN207152608U (en) | 2018-03-30 |
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ID=61709259
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621097168.XU Active CN207152608U (en) | 2016-09-28 | 2016-09-28 | A kind of biological tissue punctures sampling probe |
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| Country | Link |
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| CN (1) | CN207152608U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171824A (en) * | 2018-07-16 | 2019-01-11 | 郑州大学第附属医院 | A kind of liver biopsy puncture needle and its application method |
| CN110786957A (en) * | 2019-11-20 | 2020-02-14 | 首都医科大学 | Quantitative excision device for soft tissue in tiny specific area |
| CN112914619A (en) * | 2021-01-26 | 2021-06-08 | 焦大勇 | Testicle biopsy device |
| CN116371495A (en) * | 2023-06-05 | 2023-07-04 | 普迈德（北京）科技有限公司 | Centrifugal microfluidic chip and sampling needle thereof |
-
2016
- 2016-09-28 CN CN201621097168.XU patent/CN207152608U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171824A (en) * | 2018-07-16 | 2019-01-11 | 郑州大学第附属医院 | A kind of liver biopsy puncture needle and its application method |
| 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 |
| CN112914619A (en) * | 2021-01-26 | 2021-06-08 | 焦大勇 | Testicle biopsy device |
| CN116371495A (en) * | 2023-06-05 | 2023-07-04 | 普迈德（北京）科技有限公司 | Centrifugal microfluidic chip and sampling needle thereof |
| CN116371495B (en) * | 2023-06-05 | 2023-08-29 | 普迈德（北京）科技有限公司 | Centrifugal microfluidic chip and sampling needle thereof |
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