CN209252940U - A kind of tissue sampling device and aspiration biopsy component - Google Patents
A kind of tissue sampling device and aspiration biopsy component Download PDFInfo
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- CN209252940U CN209252940U CN201821803714.6U CN201821803714U CN209252940U CN 209252940 U CN209252940 U CN 209252940U CN 201821803714 U CN201821803714 U CN 201821803714U CN 209252940 U CN209252940 U CN 209252940U
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Abstract
The utility model relates to a kind of tissue sampling device and aspiration biopsy components, the tissue sampling device includes the materials bar and material-taking end of connection, the material-taking end is set to one end of materials bar, the material-taking end is equipped with several materials branches, several materials branch ends, which are formed, to close up, and the material of material-taking end is memorial alloy.The material of the material-taking end of the tissue sampling device of the utility model is memorial alloy, material-taking end is equipped with several materials branches, several materials branch ends, which are formed, to close up, form the partial structurtes of " bottom osculum is big ", conducive to the smooth taking-up of tumor tissues, it draws materials when previous materials by counter-rotating, there are tumor tissues to be connected with bottom tissue, rotates the disadvantages of tissue loss when taking out, and improves the success rate of materials.
Description
Technical field
The utility model belongs to the field of medical instrument technology, and in particular to a kind of tissue sampling device and aspiration biopsy component.
Background technique
Bone and soft tissue tumors are the diseases for seriously endangering human health and life, and disease incidence is gradually increasing in recent years, and
Age of onset is gradually reduced, and early detection, correctly diagnosis, treatment has important influence to prognosis in time.With detection methods
And the continuous improvement of method, the accuracy of diagnosis is gradually increased, but still has a big chunk tumour not have typical image
Feature, difficult diagnosis.Correctly diagnosis needs clinical, image and pathology three to combine.Wherein, pathological diagnosis is to therapeutic scheme
Selection plays key effect.In addition to open biopsy, sick sample material is generally clinically obtained using percutaneous transthoracic needle biopsy method, there is behaviour
Make the features such as simple, wound is small, few intercurrent disease.Existing puncture needle includes access sheath, substantive needle core and biopsy needle three parts,
It is positioned using preoperative label or merging access sheath exits needle core, screw in biopsy to knub position under term similarity/CT guidance
Needle is drawn materials.
But the biopsy needle of the prior art is drawn materials by counter-rotating, and there are tumor tissues to be connected with bottom tissue, rotates taking-up
When tissue loss the disadvantages of, still have quite high materials failure rate.
Utility model content
The purpose of this utility model is that improve for disadvantage mentioned above, a kind of tissue sampling device and aspiration biopsy are provided
Component, the tissue sampling device include the materials bar and material-taking end of connection, and the material-taking end is set to one end of materials bar, described
Material-taking end is equipped with several materials branches, several materials branch ends, which are formed, to close up, and the material of material-taking end is memorial alloy.This
The material of the material-taking end of the tissue sampling device of utility model is memorial alloy, and material-taking end is equipped with several materials branches, several
Branch end of drawing materials, which is formed, to close up, and forms the partial structurtes of " bottom osculum is big ", previous to draw materials conducive to the smooth taking-up of tumor tissues
When by counter-rotating draw materials, there are tumor tissues to be connected with bottom tissue, rotate take out when tissue loss the disadvantages of, raising draw materials
Success rate.
The utility model is achieved through the following technical solutions:
First aspect provides a kind of tissue sampling device, and materials bar and material-taking end including connection, the material-taking end are set to
One end of materials bar, the material-taking end are equipped with several materials branches, several materials branch ends form closing in, material-taking end
Material is memorial alloy.
It preferably, further include first handle, the first handle is set to the other end in materials bar relative to material-taking end.
It preferably, further include expander, the expander includes the expansion elements and expansion for material-taking end expansion of connection
Push rod is opened, the materials bar has perforative cavity, and when the branch that draws materials need to expand, the expansion elements are set to the chamber of materials bar
In vivo, and under the promotion of expansion push rod materials branch is moved to, by the expansion of materials branch.
It is highly preferred that the expander further includes second handle, it is single far from expansion that the second handle is set to expansion push rod
One end of member.
Second aspect provides a kind of aspiration biopsy component, including tissue sampling device described in any of the above embodiments.
Preferably, further include aspiration biopsy access sheath, the aspiration biopsy access sheath include successively cavity perforation and
The casing cutting tip and channel mobile jib of connection, the tissue sampling device can be contained in the cavity of aspiration biopsy access sheath.
It is highly preferred that described sleeve pipe cutting tip is hollow trepan.
Even more preferably, the cavity matching of the materials bar and casing cutting tip.
The tissue sampling device of the utility model includes the materials bar and material-taking end of connection, and the material-taking end is set to materials bar
One end, the material-taking end is equipped with several materials branches, several materials branch ends, which are formed, to close up, and the material of material-taking end is
Memorial alloy.The material of the material-taking end of the tissue sampling device of the utility model is memorial alloy, and material-taking end is equipped with several materials
Branch, several materials branch ends, which are formed, to close up, and the partial structurtes of " bottom osculum is big " is formed, conducive to smoothly taking for tumor tissues
Out, it draws materials when previous materials by counter-rotating, there are tumor tissues to be connected with bottom tissue, rotates tissue loss etc. when taking out lacks
Point improves the success rate of materials.
Detailed description of the invention
Fig. 1 is the schematic diagram of tissue sampling device.
Appended drawing reference:
1- materials bar；
2- material-taking end；21- materials branch；
3- first handle；
4- expander；41- expansion elements；42- expands push rod；43- second handle.
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
Please refer to Fig. 1.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate
The revealed content of specification, so that those skilled in the art understands and reads, being not intended to limit the utility model can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of the utility model can be generated and the purpose that can reach, it should all still fall in the utility model institute
The technology contents of announcement obtain in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", "left", "right",
The term of " centre " and " one " etc. is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model,
Its relativeness is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
A kind of tissue sampling device, as shown in Figure 1, including the materials bar 1 and material-taking end 2 of connection, the material-taking end 2 is set to
One end of materials bar 1, the material-taking end 2 are equipped with several materials branches 21, several materials 21 ends of branch form closing in, take
The material at material end 2 is memorial alloy, and the partial structurtes for forming " bottom osculum is big " took in the past conducive to the smooth taking-up of tumor tissues
It draws materials when material by counter-rotating, there are tumor tissues to be connected with bottom tissue, rotates the disadvantages of tissue loss when taking out, and raising takes
The success rate of material, the length for bar 1 of such as drawing materials are 18~22cm, and the length of material-taking end is 6~10mm.
Such as: the material-taking end of tissue sampling device is similar to the closing of oil pike end, if being three there are three the branch 21 that draws materials
It is lobate.
The memory alloy material of material-taking end can be Nitinol, restore in human body temperature, several materials 321 ends of branch
Portion, which is formed, to close up.
It in a preferred embodiment, further include first handle 3, the first handle 3 is set to opposite in materials bar 1
In the other end of material-taking end 2.
It in a preferred embodiment, further include expander 4, the expander 4 includes expanding for material-taking end 2 for connection
The expansion elements 41 and expansion push rod 42, the materials bar 1 opened have perforative cavity, when the branch 21 that draws materials need to expand, institute
It states expansion elements 41 to be set in the cavity of materials bar 1, and moves to materials branch 21 under the promotion of expansion push rod 42, will draw materials
Branch 21 expands, and the material-taking end for completing tissue sampling device expands opening.The expansion elements can be cylindrical body, cylindrical body it is straight
Diameter is equal to or less than the diameter of materials rod cavity body, if the diameter of cylindrical body can be 3~7mm.
In a preferred embodiment, the expander 4 further includes second handle 43, and the second handle 43, which is set to, to be expanded
Open the one end of push rod 42 far from expansion elements 41.
Before materials, expander is utilized under the conditions of ice water, and the material-taking end of tissue sampling device is made to expand opening.When materials,
Inside tumor is gradually screwed under guidance of C-arm machine, after reaching certain depth, the material-taking end material of tissue sampling device is that memory is closed
Gold is gradually recovered to form closing in vivo, after the perspective confirmation of C arm, after slowly rotating, takes out tissue sampling device, completes tumour
Biopsy.
A kind of aspiration biopsy component, including tissue sampling device described in any of the above embodiments.
It in a preferred embodiment, further include aspiration biopsy access sheath, the aspiration biopsy access sheath includes
The successively casing cutting tip and channel mobile jib of cavity perforation and connection, the tissue sampling device can be contained in aspiration biopsy channel set
In the cavity of pipe.
In a preferred embodiment, described sleeve pipe cutting tip is hollow trepan, is used in cortex bone, cancellous bone, swells
Tumor bone carries out annular cutting.
In a preferred embodiment, the cavity matching of the materials bar 1 and casing cutting tip, i.e. casing cutting tip
Cavity is bonded with materials bar 1, such as: when casing cutting tip is hollow trepan, the diameter for bar of drawing materials and the inner ring of hollow trepan are straight
Diameter is identical.
It is noted that all those skilled in the art, in the case where not departing from the spirit and scope of the utility model,
It is that this is practical when the equivalent variations for a little variation, modification and evolution made using disclosed above technology contents
Novel equivalent embodiment；Meanwhile all substantial technologicals according to the utility model are to any equivalent change made by above-described embodiment
The variation, modification and evolution of change, in the range of still falling within the technical solution of the utility model.
Claims (8)
1. a kind of tissue sampling device, which is characterized in that materials bar (1) and material-taking end (2) including connection, the material-taking end (2)
It is set to one end of materials bar (1), the material-taking end (2) is equipped with several materials branch (21), several materials branch (21)
End, which is formed, closes up, and the material of material-taking end (2) is memorial alloy.
2. tissue sampling device according to claim 1, which is characterized in that further include first handle (3), the first handle
(3) it is set to the other end in materials bar (1) relative to material-taking end (2).
3. tissue sampling device according to claim 1, which is characterized in that it further include expander (4), the expander (4)
The expansion elements (41) and expansion push rod (42) for material-taking end (2) expansion including connection, the materials bar (1), which has, runs through
Cavity, when draw materials branch (21) need to expand when, the expansion elements (41) are set in the cavity of materials bar (1), and are expanding
Materials branch (21) are moved under the promotion of push rod (42), by materials branch (21) expansion.
4. tissue sampling device according to claim 3, which is characterized in that the expander (4) further includes second handle
(43), the second handle (43) is set to the one end of expansion push rod (42) far from expansion elements (41).
5. a kind of aspiration biopsy component, which is characterized in that including the described in any item tissue sampling devices of Claims 1-4.
6. aspiration biopsy component according to claim 5, which is characterized in that it further include aspiration biopsy access sheath, it is described
Aspiration biopsy access sheath includes the casing cutting tip and channel mobile jib of successively cavity perforation and connection, and the tissue sampling device can
It is contained in the cavity of aspiration biopsy access sheath.
7. aspiration biopsy component according to claim 6, which is characterized in that described sleeve pipe cutting tip is hollow trepan.
8. aspiration biopsy component according to claim 7, which is characterized in that materials bar (1) and casing cutting tip
Cavity matching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821803714.6U CN209252940U (en) | 2018-11-02 | 2018-11-02 | A kind of tissue sampling device and aspiration biopsy component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821803714.6U CN209252940U (en) | 2018-11-02 | 2018-11-02 | A kind of tissue sampling device and aspiration biopsy component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209252940U true CN209252940U (en) | 2019-08-16 |
Family
ID=67558156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821803714.6U Expired - Fee Related CN209252940U (en) | 2018-11-02 | 2018-11-02 | A kind of tissue sampling device and aspiration biopsy component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209252940U (en) |
-
2018
- 2018-11-02 CN CN201821803714.6U patent/CN209252940U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20190816 Termination date: 20211102 |
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| CF01 | Termination of patent right due to non-payment of annual fee |