CN204890050U - Biopsy ware - Google Patents
Biopsy ware Download PDFInfo
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- CN204890050U CN204890050U CN201520639370.XU CN201520639370U CN204890050U CN 204890050 U CN204890050 U CN 204890050U CN 201520639370 U CN201520639370 U CN 201520639370U CN 204890050 U CN204890050 U CN 204890050U
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- China
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- semicolumn
- half section
- shell fragment
- closing member
- puncture needle
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Abstract
The utility model discloses a biopsy ware, including cylinder, puncture needle, nook closing member and slide, the cylinder has an axially extended chamber of accomodating, puncture needle's rear end and the front end fixed connection of cylinder and with accomodate the chamber and be linked together, puncture needle's front end has spine portion, the nook closing member includes half section preceding and second half section, and preceding half section includes along axially extended double -phase right first semicolumn flexure strip and second semicolumn flexure strip that the rear end of first semicolumn flexure strip and second semicolumn flexure strip linked to each other with the second half section, and the front end of first semicolumn flexure strip and second semicolumn flexure strip is the state of opening, second half section is acceptd in accomodating the chamber, accepts in puncture needle in order to fold the state for preceding half section, slide sets up on the cylinder between the primary importance and the second place following the axial with sliding, and slides the second half section fixed connection with the nook closing member. The utility model discloses, its simple structure, convenient to use is convenient for take out and is organized the thing, simultaneously, reduces the puncture number of times, reduces patient's misery.
Description
Technical field
This utility model relates to medical Biopsy field, particularly relates to a kind of biopsy device that better can obtain test section hyte fabric.
Background technology
When the occupying lesions such as tumor, cyst, enclosed mass are diagnosed, except the imaging examination such as CT, magnetic resonance, B ultrasonic of routine, sometimes need to carry out biopsy sampling to pathological tissues, by doing cytodiagnosis to pathological tissues, make last diagnostic.Biopsy method common at present comprises open surgical biopsy, aspiration biopsy two kinds.Wherein, open surgical biopsy is in the conventional method of the shallow site morbidity of table, the method for usually taking aspiration biopsy deep to diseased region.Now common aspiration biopsy adopts ordinary syringe syringe needle directly to thrust diseased region, carries out aspirate tissue cell sampling.But ordinary syringe syringe needle internal diameter is less, the problem easily occur the tissue loss under being cut by needle point when extracting pathological tissues, cannot taking out, repeated multiple times puncture is needed to sample, hemorrhage medical-risk is caused greatly to increase, not only inefficiency, and the misery adding patient.
Utility model content
The purpose of this utility model is overcome deficiency of the prior art and provide a kind of biopsy device, comprising:
Syringe, described syringe has axially extended containing cavities;
Puncture needle tubing, the rear end of described puncture needle tubing is fixedly connected with the front end of described syringe and is connected with described containing cavities, and the front end of described puncture needle tubing has sharp portion;
Nook closing member, described nook closing member comprises first half section and second half section, described first half section comprises two relative the first semicolumn flexure strips and the second semicolumn flexure strip that extend vertically, described first semicolumn flexure strip is connected with the described second half section with the rear end of the second semicolumn flexure strip, the open-shaped state in front end of described first semicolumn flexure strip and the second semicolumn flexure strip; The described second half section is contained in described containing cavities, and described first half section is contained in described puncture needle tubing with closed configuration, and when described first half section is stretched out from described puncture needle tubing, described first half section is released to described open configuration;
Slip handle, described slip is being arranged on described syringe vertically between the first position and the second position slidably, and described slip is fixedly connected with the second half section of described nook closing member, when described slip is when sliding into the second position by primary importance, the first half section of described nook closing member is stretched out by described puncture needle tubing.
Preferably, the front end of described first semicolumn shell fragment is formed by the first spigot surface, and the front end of described second semicolumn shell fragment is formed with the second spigot surface;
Described second spigot surface is relative with between the second spigot surface forms directed cavity, and described directed cavity is by the rear extremely front gradually expanded form expanded gradually.
Preferably, the side of described first semicolumn shell fragment forms the first bar-shaped trough being positioned at described first spigot surface rear; The side of described second semicolumn shell fragment forms the second bar-shaped trough being positioned at described second spigot surface rear; Described first bar-shaped trough is relative with the second bar-shaped trough forms a storage chamber.
Preferably, the front end of described first semicolumn shell fragment is provided with the first cutting edge radially protruded, the front end of described second semicolumn shell fragment is provided with the second cutting edge radially protruded, and described first cutting edge and the second cutting edge misplace to recline and arrange formation cutter blades.
Preferably, described first cutting edge is axially between the first bar-shaped trough and the first spigot surface, and described second cutting edge is axially between the second bar-shaped trough and the second spigot surface.
Preferably, described containing cavities comprises rear end first cavity being positioned at described syringe and the second cavity being positioned at described syringe front end, and the diameter of described first cavity is greater than the diameter of the second cavity to make to form a step surface between described first cavity and the second cavity;
Be provided with one in described first cavity and be sheathed on the first spring on described nook closing member, the end of one end of described first spring and the second half section of described nook closing member offsets, and the other end and the described step surface of described first spring offset.
Preferably, between described first semicolumn shell fragment and the second semicolumn shell fragment, be provided with radial expansion second spring, when described first semicolumn shell fragment and the second semicolumn shell fragment are in closed configuration, described second spring-compressed.
Preferably, described second spring is positioned at the rear portion of described storage chamber.
The beneficial effects of the utility model are: the biopsy device that this utility model provides, in use, by the puncture of puncture needle tubing to assigned address, by slip being pushed into the second position from primary importance, nook closing member can be exited from puncture needle tubing, the first half section release of nook closing member is opened laterally, along with the propelling of nook closing member, tissue substance enters the gap between the first semicolumn flexure strip and the second semicolumn flexure strip, again slip handle is retracted primary importance from the second position, so, the first half section of nook closing member is closed up gradually, tissue substance can be clamped and bring in puncture needle tubing, finally extract puncture needle tubing, tissue substance can be taken out, carry out biopsy.Its structure is simple, easy to use, is convenient to take out tissue substance, meanwhile, reduces puncture time, reduces the misery of patient.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment biopsy device;
Fig. 2 is the sectional view of this utility model embodiment biopsy device closed configuration;
Fig. 3 is the partial enlarged drawing at A place in Fig. 2;
Fig. 4 is the structural representation of this utility model embodiment biopsy device open configuration;
Fig. 5 is nook closing member structural representation in its natural state in this utility model embodiment biopsy device.
Reference numeral:
Syringe 10;
Containing cavities 101;
Step surface 102;
Puncture needle tubing 20;
Sharp portion 201;
Nook closing member 30;
First half section 301;
First semicolumn flexure strip 3011;
Second semicolumn flexure strip 3012;
First spigot surface 3013;
Second spigot surface 3014;
Storage chamber 3015;
Directed cavity 3016;
First cutting edge 3017;
Second cutting edge 3018;
Second spring 3019;
Second half section 302;
Slide 40;
First spring 50.
The realization of this utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining this utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " upper ", " under ", " front ", " after ", " left ", " right ", " vertically ", " level ", " top ", " end " " interior ", " outer ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only this utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, the concrete meaning of above-mentioned term in this utility model can be understood as the case may be.
Shown in Fig. 5, this utility model embodiment provides a kind of biopsy device, comprises syringe 10, puncture needle tubing 20, nook closing member 30 and slides 40.
Specifically, syringe 10 has axially extended containing cavities 101.The rear end of puncture needle tubing 20 is fixedly connected with the front end of described syringe 10 and is connected with described containing cavities 101, and the front end of described puncture needle tubing 20 has sharp portion 201.This sharp portion 201 is for puncture.
Nook closing member 30 comprises first half section and second half section 302, wherein, first half section 301 comprises two relative the first semicolumn flexure strip 3011 and the second semicolumn flexure strips 3012 extended vertically, first semicolumn flexure strip 3011 is connected with the described second half section 302 with the rear end of the second semicolumn flexure strip 3012, the open-shaped state in front end of the first semicolumn flexure strip 3011 and the second semicolumn flexure strip 3012; The described second half section 302 is contained in described containing cavities 101, and described first half section 301 is contained in described puncture needle tubing 20 with closed configuration, and when described first half section 301 is stretched out from described puncture needle tubing 20, described first half section 301 is released to described open configuration.
That is, the first half section 301 of nook closing member 30 is that the first semicolumn flexure strip 3011 and the second semicolumn flexure strip 3012 form, and in its natural state, the first semicolumn flexure strip 3011 is relative opening with the second semicolumn flexure strip 3012.And when nook closing member 30 installs the inside of puncture needle tubing 20, due to the restriction of puncture needle tubing 20 internal diameter, so the first semicolumn flexure strip 3011 and the second semicolumn flexure strip 3012 are forced to close up, form closed configuration and be accommodated in puncture needle tubing 20.And when the first half section 301 of nook closing member 30 is stretched out by puncture needle tubing 20, because first half section 301 is without constraint, so first half section 301 is released into open configuration.
Sliding can be arranged at 40 on described syringe 10 vertically between the first position and the second position slidably, and slip is fixedly connected with the second half section 302 of described nook closing member 30 40, when described slip slides into the second position 40 by primary importance, the first half section 301 of described nook closing member 30 is stretched out by described puncture needle tubing 20.
That is, slide and move back and forth vertically in syringe 10 for driving nook closing member 30 40, when slip slides into the second position 40 by primary importance, that is to say slides slides from back to front 40, then slide 40 drive nook closing member 30 forward slip, finally make nook closing member 30 stretch out from puncture needle tubing 20.
According to the biopsy device that this utility model embodiment provides, in use, puncture to assigned address by puncture needle tubing 20, slip is pushed into the second position 40 from primary importance, nook closing member 30 can be exited from puncture needle tubing 20, the first half section 301 of nook closing member 30 discharges opens laterally, along with the propelling of nook closing member 30, tissue substance enters the gap between the first semicolumn flexure strip 3011 and the second semicolumn flexure strip 3012, again slip is retracted primary importance 40 from the second position, so, the first half section 301 of nook closing member 30 is closed up gradually, tissue substance can be clamped and bring in puncture needle tubing 20, finally extract puncture needle tubing 20, tissue substance can be taken out, carry out biopsy.Its structure is simple, easy to use, is convenient to take out tissue substance, meanwhile, reduces puncture time, reduces the misery of patient.
In a preferred embodiment of the present utility model, the front end of the first semicolumn shell fragment is formed by the first spigot surface 3013, and the front end of described second semicolumn shell fragment is formed with the second spigot surface 3014.Relatively between second spigot surface 3014 with the second spigot surface 3014 form directed cavity 3016, described directed cavity 3016 by rear to the front gradually expanded form expanded gradually.
That is, the front end of the first semicolumn shell fragment and the second semicolumn shell fragment is respectively equipped with a spigot surface, and two spigot surface be relative, when nook closing member 30 is pushed ahead, by the guide effect of spigot surface, the first semicolumn shell fragment and the second semicolumn shell fragment can be made away from each other, and be inserted in tissue gradually, thus make the tissue substance tissue substance of the clamping between a semicolumn shell fragment and the second semicolumn shell fragment relatively more.So, the success rate of tissue sampling can be improved.
More favorably, in an embodiment of the present utility model, the side of the first semicolumn shell fragment forms the first bar-shaped trough being positioned at described first spigot surface 3013 rear; The side of described second semicolumn shell fragment forms the second bar-shaped trough being positioned at described second spigot surface 3014 rear; Described first bar-shaped trough is relative with the second bar-shaped trough forms a storage chamber 3015.
That is, a storage chamber 3015 is formed at the rear of directed cavity 3016, when nook closing member 30 is pushed ahead, the tissue in directed cavity 3016 can be clamp-oned gradually to storage chamber 3015, so, when draw back back stitching core 30 time, first semicolumn shell fragment and the second semicolumn shell fragment close up gradually, and tissue substance can be encapsulated in storage chamber 3015, finally, extract puncture needle tubing 20, tissue substance can be taken out in human body.So far, in the present embodiment, by arranging storage chamber 3015 at directed cavity 3016 rear, can make the tissue that gathers can packed storage therein, take tissue substance out of immediately after being convenient to extract puncture needle tubing 20, improve success rate and efficiency that tissue substance gathers.
Further, in an embodiment of the present utility model, the front end of the first semicolumn shell fragment is provided with the first cutting edge 3017 radially protruded, the front end of described second semicolumn shell fragment is provided with the second cutting edge 3018 radially protruded, and described first cutting edge 3017 and the second cutting edge 3018 misplace to recline and arrange formation cutter blades.
That is, the front end of the first half section 301 of nook closing member 30 is provided with cutter blades, when nook closing member 30 is pushed ahead, tissue substance is entered after between the first semicolumn shell fragment and the second cylinder shell fragment, draw back back stitching core 30 time, first semicolumn shell fragment and the second cylinder shell fragment close up gradually, and the first cutting edge 3017 and the second cutting edge 3018 also close up gradually, finally tissue substance can be cut off.So, make tissue substance can be left between the first semicolumn shell fragment and the second cylinder shell fragment, finally take out with puncture needle tubing 20 smoothly.
Further, in an example of the present utility model, the first cutting edge 3017 is axially between the first bar-shaped trough and the first spigot surface 3013, and described second cutting edge 3018 is axially between the second bar-shaped trough and the second spigot surface 3014.So, close up gradually at the first semicolumn shell fragment and the second cylinder shell fragment, the first cutting edge 3017 and the second cutting edge 3018 also close up gradually, finally tissue substance can be cut off, and the tissue substance cut off just is encapsulated in storage chamber 3015.
In embodiments more of the present utility model, containing cavities 101 comprises rear end first cavity being positioned at described syringe 10 and the second cavity being positioned at described syringe 10 front end, and the diameter of described first cavity is greater than the diameter of the second cavity to make to form a step surface between described first cavity and the second cavity.Be provided with one in first cavity and be sheathed on the first spring 50 on described nook closing member 30, described one end of first spring 50 and the end of the second half section 302 of described nook closing member 30 offset, and the other end and the described step surface 102 of described first spring 50 offset.
So, at applying axial force, when slip is slid into the second position 40 from primary importance, the first spring 50 is compressed, so, nook closing member 30 be pushed forward into, and after removing axial force, first spring 50 recovers deformation, forces nook closing member 30 to move backward, is retracted in puncture needle tubing 20.That is, the first spring 50 can make to slide and be in primary importance 40, and nook closing member 30 is accommodated in puncture needle tubing 20.In addition, the first spring 50 can also make nook closing member 30 can the withdraw of the needle fast, operation easy to use.
In an example of the present utility model, be provided with radial expansion second spring 3019 between the first semicolumn shell fragment and the second semicolumn shell fragment, when described first semicolumn shell fragment and the second semicolumn shell fragment are in closed configuration, described second spring 3019 compresses.That is, radial forces can be provided for the first semicolumn shell fragment and the second semicolumn shell fragment by the second spring 3019, be convenient to the first semicolumn shell fragment and the second semicolumn shell fragment better can be released into open configuration.
Exemplarily, the second spring 3019 is positioned at the rear portion of described storage chamber 3015.
In sum, the biopsy device that this utility model provides, in use, puncture to assigned address by puncture needle tubing 20, slip is pushed into the second position 40 from primary importance, nook closing member 30 can be exited from puncture needle tubing 20, the first half section 301 of nook closing member 30 discharges opens laterally, along with the propelling of nook closing member 30, tissue substance enters the gap between the first semicolumn flexure strip 3011 and the second semicolumn flexure strip 3012, again slip is retracted primary importance 40 from the second position, so, the first half section 301 of nook closing member 30 is closed up gradually, tissue substance can be clamped and bring in puncture needle tubing 20, finally extract puncture needle tubing 20, tissue substance can be taken out, carry out biopsy.Its structure is simple, easy to use, is convenient to take out tissue substance, meanwhile, reduces puncture time, reduces the misery of patient.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment when not departing from principle of the present utility model and aim, revising, replacing and modification in scope of the present utility model.
Claims (8)
1. a biopsy device, is characterized in that, comprising:
Syringe, described syringe has axially extended containing cavities;
Puncture needle tubing, the rear end of described puncture needle tubing is fixedly connected with the front end of described syringe and is connected with described containing cavities, and the front end of described puncture needle tubing has sharp portion;
Nook closing member, described nook closing member comprises first half section and second half section, described first half section comprises two relative the first semicolumn flexure strips and the second semicolumn flexure strip that extend vertically, described first semicolumn flexure strip is connected with the described second half section with the rear end of the second semicolumn flexure strip, the open-shaped state in front end of described first semicolumn flexure strip and the second semicolumn flexure strip; The described second half section is contained in described containing cavities, and described first half section is contained in described puncture needle tubing with closed configuration, and when described first half section is stretched out from described puncture needle tubing, described first half section is released to described open configuration;
Slip handle, described slip is being arranged on described syringe vertically between the first position and the second position slidably, and described slip is fixedly connected with the second half section of described nook closing member, when described slip is when sliding into the second position by primary importance, the first half section of described nook closing member is stretched out by described puncture needle tubing.
2. biopsy device according to claim 1, is characterized in that, the front end of described first semicolumn shell fragment is formed by the first spigot surface, and the front end of described second semicolumn shell fragment is formed with the second spigot surface;
Described second spigot surface is relative with between the second spigot surface forms directed cavity, and described directed cavity is by the rear extremely front gradually expanded form expanded gradually.
3. biopsy device according to claim 2, is characterized in that, the side of described first semicolumn shell fragment forms the first bar-shaped trough being positioned at described first spigot surface rear; The side of described second semicolumn shell fragment forms the second bar-shaped trough being positioned at described second spigot surface rear; Described first bar-shaped trough is relative with the second bar-shaped trough forms a storage chamber.
4. biopsy device according to claim 3, it is characterized in that, the front end of described first semicolumn shell fragment is provided with the first cutting edge radially protruded, the front end of described second semicolumn shell fragment is provided with the second cutting edge radially protruded, and described first cutting edge and the second cutting edge misplace to recline and arrange formation cutter blades.
5. biopsy device according to claim 4, is characterized in that, described first cutting edge is axially between the first bar-shaped trough and the first spigot surface, and described second cutting edge is axially between the second bar-shaped trough and the second spigot surface.
6. biopsy device according to claim 5, it is characterized in that, described containing cavities comprises rear end first cavity being positioned at described syringe and the second cavity being positioned at described syringe front end, and the diameter of described first cavity is greater than the diameter of the second cavity to make to form a step surface between described first cavity and the second cavity;
Be provided with one in described first cavity and be sheathed on the first spring on described nook closing member, the end of one end of described first spring and the second half section of described nook closing member offsets, and the other end and the described step surface of described first spring offset.
7. biopsy device according to claim 6, it is characterized in that, radial expansion second spring is provided with between described first semicolumn shell fragment and the second semicolumn shell fragment, when described first semicolumn shell fragment and the second semicolumn shell fragment are in closed configuration, described second spring-compressed.
8. biopsy device according to claim 7, is characterized in that, described second spring is positioned at the rear portion of described storage chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520639370.XU CN204890050U (en) | 2015-08-22 | 2015-08-22 | Biopsy ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520639370.XU CN204890050U (en) | 2015-08-22 | 2015-08-22 | Biopsy ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204890050U true CN204890050U (en) | 2015-12-23 |
Family
ID=54912274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520639370.XU Expired - Fee Related CN204890050U (en) | 2015-08-22 | 2015-08-22 | Biopsy ware |
Country Status (1)
| Country | Link |
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| CN (1) | CN204890050U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109121790A (en) * | 2018-10-15 | 2019-01-04 | 山东省果树研究所 | A kind of Cherry dwarf rootstock grafting tool |
| CN112312849A (en) * | 2018-06-29 | 2021-02-02 | 朝日英达科株式会社 | Catheter tube |
| CN117398233A (en) * | 2023-12-14 | 2024-01-16 | 晟洛凯医疗科技(杭州)有限公司 | Portable meibomian gland therapeutic instrument |
-
2015
- 2015-08-22 CN CN201520639370.XU patent/CN204890050U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112312849A (en) * | 2018-06-29 | 2021-02-02 | 朝日英达科株式会社 | Catheter tube |
| CN109121790A (en) * | 2018-10-15 | 2019-01-04 | 山东省果树研究所 | A kind of Cherry dwarf rootstock grafting tool |
| CN109121790B (en) * | 2018-10-15 | 2023-09-15 | 山东省果树研究所 | Grafting tool for dwarfing stock of sweet cherry |
| CN117398233A (en) * | 2023-12-14 | 2024-01-16 | 晟洛凯医疗科技(杭州)有限公司 | Portable meibomian gland therapeutic instrument |
| CN117398233B (en) * | 2023-12-14 | 2024-03-22 | 晟洛凯医疗科技(杭州)有限公司 | Portable meibomian gland therapeutic instrument |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20151223 Termination date: 20160822 |