CN204890130U - Semi -automatic aspiration biopsy device of drawing materials in succession - Google Patents

Semi -automatic aspiration biopsy device of drawing materials in succession Download PDF

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Publication number
CN204890130U
CN204890130U CN201520603468.XU CN201520603468U CN204890130U CN 204890130 U CN204890130 U CN 204890130U CN 201520603468 U CN201520603468 U CN 201520603468U CN 204890130 U CN204890130 U CN 204890130U
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China
Prior art keywords
stylophore
trocar
semi
inner sleeve
closing member
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Expired - Fee Related
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CN201520603468.XU
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Chinese (zh)
Inventor
谭石
王晓华
苗立英
贾建文
崔立刚
孙鹏飞
张艳
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Peking University Third Hospital
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Peking University Third Hospital
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Priority to CN201520603468.XU priority Critical patent/CN204890130U/en
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Abstract

The utility model discloses a semi -automatic aspiration biopsy device of drawing materials in succession, it includes: nook closing member, trocar, stylophore and handle, aforementioned nook closing member are solid pole column structure, it is the cavity sleeve pipe for sampling groove, rear that the front end of aforementioned trocar is solid needle point, centre, and the nook closing member cover is established inside the cavity sheathed tube, aforementioned stylophore is hollow tubular structure, and the cover is established in the outside of trocar, and the head of stylophore be the blade, and the blade is most advanced locates to be formed with horizontal rifling to the inner wall being close to, aforementioned handle includes: interior sleeve pipe, outer tube, trigger and spring, before the puncture, sleeve pipe and stylophore in drawing backward through the trigger, spring compression stores potential energy, during the puncture, presses the trigger, and the potential energy conversion of storage is kinetic energy in the spring, releases the stylophore. The utility model has the beneficial effects of: the structure is simple and use is convenient. Need not to puncture repeatedly, the cutting is quick, it is few to bleed, and avoided the puncture passageway and the peripheral nerve is hematal harms repeatedly, ability stratified sampling, the abundance of drawing materials.

Description

One is drawn materials semi-automatic aspiration biopsy device continuously
Technical field
This utility model relates to a kind of aspiration biopsy device, is specifically related to a kind ofly to be punctured the semi-automatic aspiration biopsy device that can draw materials continuously by single, belongs to technical field of medical instruments.
Background technology
Along with the development automatically launching Biopsy and biopsy needle, ultrasound-guided percutaneous biopsy has been widely used in clinical.
At present, the drawing materials of superficial tissue such as ultrasonic guidance thyroid, lymph node mainly contains following several method:
1, fine needle aspiration
What fine needle aspiration obtained is the information of cytology's level, the level of being subjected to an examination limit, only to the malignant tumor (metastatic tumor as thyroid papillary carcinoma, lymph node) of some type, there is certain specificity, histological type cannot be differentiated under partial picture and pathological changes is good pernicious, therefore in Clinical practice, there is many restrictions.
2, ejection type biopsy
Ejection type biopsy can provide more Histological information, for avoiding the occasionality of puncture result, usually require that diseased region samples to organize clinically during biopsy and should not be less than 3, if run into when obtaining tissue mass deficiency and more will increase number of times of drawing materials, repeated localised puncture not only can cause hemorrhage, the infection of puncture channel, and owing to no longer controlling by puncture person after the transmitting of ejection type cell taking gun, therefore the nerve of surrounding, blood vessel and hetero-organization thereof is often injured, form irreversible damage, add the danger of puncture.
3, manual aspiration biopsy
Manual aspiration biopsy is conducive to tissue sampling, and suitably can control the complication punctured, but it is slow owing to putting forward slotting speed, easily cause tearing and the fragmentation of tissue of drawing materials of tissue, especially when pathological changes quality is harder or soft yielding time be more difficult to cutting tissue, not only large to injury of human, hemorrhage many and not easily heal, result of drawing materials is also unsatisfactory.
4, other
Some biopsy devices assign to realize obtaining more tissue by increasing puncture needle concave part, and this puncture needle groove part is belittled, and reduces puncture dynamics.Also have part biopsy device to obtain more tissue by increasing multiple side opening, this method is applicable to liver diffuse lesion, and superficial tissue because the restriction of its degree of depth, and is not suitable for application.
Utility model content
For solving the deficiencies in the prior art, the purpose of this utility model is to provide a kind of and puncture the semi-automatic aspiration biopsy device that can draw materials continuously by single, and this biopsy device can also realize Stratified Sampling continuously, also can reduce complication appearance simultaneously.
In order to realize above-mentioned target, this utility model adopts following technical scheme:
One is drawn materials semi-automatic aspiration biopsy device continuously, it is characterized in that, comprising: nook closing member (3), the trocar (2), stylophore (1) and handle (4),
Aforementioned nook closing member (3) is solid pole shape structure, and end has the position of gripping;
The front end of the aforementioned trocar (2) is needle point (13), aforementioned needle point (13) is solid structure, the rear of needle point (13) is sampling groove (8), the rear of sampling groove (8) is hollow sleeve (12), and nook closing member (3) is set in the inside of hollow sleeve (12) and the two is coaxially arranged;
The tubular structure that aforementioned stylophore (1) is hollow, be set in the outside of the trocar (2), the head of stylophore (1) is cutting edge, aforementioned cutting edge is angle, the inwall of stylophore (1) is being formed with horizontal rifling (7) near the most advanced and sophisticated place of cutting edge, aforementioned horizontal rifling (7) is perpendicular with the major axis of stylophore (1), for the design of semilune semi-surrounding, the external diameter of the outward flange of horizontal rifling (7) or outer peripheral line and the trocar (2) matches;
Aforementioned handle (4) comprising: inner sleeve (10), trocar sheath (11), trigger (5) and spring (9), aforementioned inner sleeve (10) and trocar sheath (11) are coaxially sheathed, and inner sleeve (10) can slide in the pod of trocar sheath (11), trigger (5) is arranged on trocar sheath (11) and goes up and can lock inner sleeve (10), the afterbody of stylophore (1) is fixedly mounted on inner sleeve (10), the afterbody of the trocar (2) passes the rear end of trocar sheath (11) and is fixedly connected with trocar sheath (11), spring (9) is enclosed within the tail end that on the trocar (2) and front end is against stylophore (1), rear end is against the tail end of trocar sheath (11), before puncture, inner sleeve (10) and stylophore (1) is pulled back by trigger (5), spring (9) compression storage of potential energy, during puncture, press trigger (5), the potential energy stored in spring (9) is kinetic energy, stylophore (1) is released.
Aforesaid semi-automatic aspiration biopsy device of drawing materials continuously, is characterized in that, aforementioned nook closing member (3), the trocar (2) and stylophore (1) adopt rustless steel or titanium alloy to make.
Aforesaid semi-automatic aspiration biopsy device of drawing materials continuously, is characterized in that, the bevel angle of aforementioned needle point (13) is 15 °-20 °.
Aforesaid semi-automatic aspiration biopsy device of drawing materials continuously, is characterized in that, the bevel angle of aforementioned cutting edge is 15 °-20 °.
Aforesaid semi-automatic aspiration biopsy device of drawing materials continuously, it is characterized in that, the outer wall of aforementioned inner sleeve (10) is formed with the slide rail (14) extended vertically, the inwall of trocar sheath (11) is formed with the chute (15) coordinated with aforementioned slide rail (14).
Usefulness of the present utility model is:
(1) without the need to repeated localised puncture, and cutting fast, go out insufficiency of blood, avoid the damage repeatedly to puncture channel and peripheral nerve blood vessel, decrease the misery of patient, the complication that reducing repeatedly punctures causes, improve the safety of drawing materials;
(2) can Stratified Sampling continuously, draw materials abundant, the various pathological changes of sampling point can be shown comprehensively, reach the level of Biopsy pathologic finding;
(3) structure is simple, easy to use, the tuberosity inspection of be particularly useful for that volume is little, position is dark, adjoining important organ, the such as biopsy such as thyroid nodule, lymph node.
Accompanying drawing explanation
Fig. 1 is the structural representation of a specific embodiment of semi-automatic biopsy device of the present utility model;
Fig. 2 (a) is the sectional view of semi-automatic biopsy device under the state of loading in Fig. 1;
Fig. 2 (b) is the semi-automatic biopsy device sectional view in transmit state in Fig. 1;
Fig. 2 (c) is the left view of the semi-automatic biopsy device in Fig. 1;
Fig. 3 is the structural representation of nook closing member;
Fig. 4 is the structural representation of the trocar;
Fig. 5 is the structural representation of stylophore;
Fig. 6 is the structural representation of a specific embodiment of horizontal rifling;
Fig. 7 is the structural representation of another specific embodiment of horizontal rifling.
The implication of Reference numeral in figure: 1-stylophore, the 2-trocar, 3-nook closing member, 4-handle, 5-trigger, 6-non-skid thread, the horizontal rifling of 7-, 8-sampling groove, 9-spring, 10-inner sleeve, 11-trocar sheath, 12-hollow sleeve, 13-needle point, 14-slide rail, 15-chute.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, concrete introduction is done to this utility model.
With reference to Fig. 1, Fig. 2 (a), Fig. 2 (b), Fig. 2 (c) and Fig. 3, semi-automatic aspiration biopsy device of drawing materials continuously of the present utility model comprises: nook closing member 3, the trocar 2, stylophore 1 and handle 4, wherein, former three intussusception combines, and is fixed on handle 4.
Introduce the structure of nook closing member 3, the trocar 2, stylophore 1 and handle 4 below respectively.
With reference to Fig. 3, nook closing member 3 is solid pole shape structure, and end has the position of gripping.Nook closing member 3 is mainly used in releasing the strip of tissue in the trocar 2.
In the present embodiment, the length of nook closing member 3 is 190mm, after it inserts the trocar 2 inside, just the tissue in the trocar 2 can be released.
With reference to Fig. 1, Fig. 2 (a), Fig. 2 (b), Fig. 2 (c) and Fig. 4, the front end of the trocar 2 is needle point 13, and the rear of needle point 13 is sampling groove 8, and the rear of sampling groove 8 is hollow sleeve 12.Wherein, needle point 13 is solid structure; Nook closing member 3 is set in the inside of hollow sleeve 12, and nook closing member 3 and both hollow sleeves 12 are coaxial setting.
The needle point 13 of the trocar 2 front end is designed to solid structure, adds the support force of nook closing member 3, thus draw-in groove phenomenon can be reduced.
In the present embodiment, the trocar 2 total length 200mm, internal diameter 1.2mm, the inclined-plane segment length 5mm of needle point 13, the bevel angle of needle point 13 is 15 °-20 °, the long 17mm of sampling groove 8, dark 1.0mm.
With reference to Fig. 1, Fig. 2 (a), Fig. 2 (b), Fig. 2 (c) and Fig. 5, stylophore 1 is the tubular structure of hollow, is set in the outside of the trocar 2, and the internal diameter of stylophore 1 and the external diameter of the trocar 2 match.Wherein, the head of stylophore 1 is cutting edge, and cutting edge is angle; The inwall of stylophore 1 is being formed with horizontal rifling 7 near the most advanced and sophisticated place of cutting edge, horizontal rifling 7 is perpendicular with the major axis of stylophore 1, for semilune semi-surrounding designs, can take any one in Fig. 6 or Fig. 7 as required, the outward flange of horizontal rifling 7 or the external diameter of outer peripheral line and the trocar 2 match.
In the present embodiment, stylophore 1 total length 138mm, internal diameter 1.6mm, the bevel angle of cutting edge is 15 °-20 °, horizontal rifling 7 length is 1.7mm, horizontal rifling 7 is 3mm to the distance at the tip of stylophore 1, namely there is no horizontal rifling 7 within the scope of stylophore 1 front end 3mm, the needle point 13 of itself and the trocar 2 front end is coincide better.
Under the trocar 2 interaction with horizontal rifling 7, biopsy device of the present utility model not only achieves draws materials continuously, obtains maximum sample number, ensure that the integrity of sample simultaneously.
See figures.1.and.2 (a), Fig. 2 (b), Fig. 2 (c), handle 4 is semi-automatic design, comprising: inner sleeve 10, trocar sheath 11, trigger 5 and spring 9.Wherein, inner sleeve 10 and trocar sheath 11 are coaxially sheathed, and inner sleeve 10 can slide in the pod of trocar sheath 11, trigger 5 is arranged on trocar sheath 11, and can lock inner sleeve 10, the afterbody of stylophore 1 is fixedly mounted on inner sleeve 10, can move with inner sleeve 10, the afterbody of the trocar 2 passes the rear end of trocar sheath 11 and is fixedly connected with trocar sheath 11, spring 9 is enclosed within the tail end that on the trocar 2 and front end is against stylophore 1, rear end is against the tail end of trocar sheath 11, before puncture, inner sleeve 10 and stylophore 1 is pulled back by trigger 5, spring 9 compresses storage of potential energy, during puncture, when the trocar 2 arrives diseased region, press trigger 5, the potential energy stored in spring 9 is kinetic energy, stylophore 1 is released, stylophore 1 obtains strip of tissue by fly-cutting, the strip of tissue cut down is stored in sampling groove 8.
When pulling back inner sleeve 10 by trigger 5, horizontal rifling 7 can promote strip of tissue and enter in the hollow sleeve 12 at the trocar 2 rear.Repeatedly pull inner sleeve 10 to launch, strip of tissue can be obtained continuously.So, biopsy device of the present utility model without the need to repeated localised puncture, and cutting fast, go out insufficiency of blood, avoid the damage repeatedly to puncture channel and peripheral nerve blood vessel, decrease the misery of patient, the complication that reducing repeatedly punctures causes, improve the safety of drawing materials.
In the present embodiment, the long 100mm of trocar sheath 11, wide 20mm, outer wall increases and has non-skid thread 6, can increase frictional force, is easy to grasp; The tail end of the trocar 2 exposes the tail end 10mm of trocar sheath 11, and fixes with the tail end of trocar sheath 11, fixed position distance cutting edge 190mm; After launching, the range ability of stylophore 1 is 17mm.
As the preferred scheme of one, with reference to Fig. 2 (c), the outer wall of inner sleeve 10 is formed with the slide rail 14 extended vertically, the inwall of trocar sheath 11 is formed with the chute 15 coordinated with slide rail 14.Slide rail 14 coordinates with chute 15, can play good position-limiting action to inner sleeve 10 and trocar sheath 11, effectively prevents the two from occurring relative to rotation and offseting.
Biopsy device of the present utility model, the material of its nook closing member 3, the trocar 2 and stylophore 1 can select rustless steel, can also select other metal materials, such as titanium alloy; The material of handle 4 can select rustless steel and plastics.
Biopsy device of the present utility model, its using method is:
(1) stylophore 1 and the trocar 2 together enter intralesional under ultrasound guidance;
(2) pull back inner sleeve 10, drive epitheca 1 to retreat, expose sampling groove 8, lesion tissue contacts with sampling groove 8;
(3) launch handle 4, obtain strip of tissue, be stored in sampling groove 8 by the cutting of stylophore 1, the horizontal rifling 7 on stylophore 1 and the trocar 2 relative motion, push strip of tissue and be stored in hollow sleeve 12;
(4) larger focus is by changing direction multi-point sampling, and the strip of tissue of at every turn drawing materials is stored in the hollow sleeve 12 of the trocar 2 successively;
(5) finally will release in a organized way with nook closing member 3.
It should be noted that, above-described embodiment does not limit this utility model in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection domain of the present utility model.

Claims (5)

1. to draw materials continuously a semi-automatic aspiration biopsy device, it is characterized in that, comprising: nook closing member (3), the trocar (2), stylophore (1) and handle (4),
Described nook closing member (3) is solid pole shape structure, and end has the position of gripping;
The front end of the described trocar (2) is needle point (13), described needle point (13) is solid structure, the rear of needle point (13) is sampling groove (8), the rear of sampling groove (8) is hollow sleeve (12), and nook closing member (3) is set in the inside of hollow sleeve (12) and the two is coaxially arranged;
The tubular structure that described stylophore (1) is hollow, be set in the outside of the trocar (2), the head of stylophore (1) is cutting edge, described cutting edge is angle, the inwall of stylophore (1) is being formed with horizontal rifling (7) near the most advanced and sophisticated place of cutting edge, described horizontal rifling (7) is perpendicular with the major axis of stylophore (1), for the design of semilune semi-surrounding, the external diameter of the outward flange of horizontal rifling (7) or outer peripheral line and the trocar (2) matches;
Described handle (4) comprising: inner sleeve (10), trocar sheath (11), trigger (5) and spring (9), described inner sleeve (10) and trocar sheath (11) are coaxially sheathed, and inner sleeve (10) can slide in the pod of trocar sheath (11), trigger (5) is arranged on trocar sheath (11) and goes up and can lock inner sleeve (10), the afterbody of stylophore (1) is fixedly mounted on inner sleeve (10), the afterbody of the trocar (2) passes the rear end of trocar sheath (11) and is fixedly connected with trocar sheath (11), spring (9) is enclosed within the tail end that on the trocar (2) and front end is against stylophore (1), rear end is against the tail end of trocar sheath (11), before puncture, inner sleeve (10) and stylophore (1) is pulled back by trigger (5), spring (9) compression storage of potential energy, during puncture, press trigger (5), the potential energy stored in spring (9) is kinetic energy, stylophore (1) is released.
2. semi-automatic aspiration biopsy device of drawing materials continuously according to claim 1, is characterized in that, described nook closing member (3), the trocar (2) and stylophore (1) adopt rustless steel or titanium alloy to make.
3. semi-automatic aspiration biopsy device of drawing materials continuously according to claim 1, is characterized in that, the bevel angle of described needle point (13) is 15 °-20 °.
4. semi-automatic aspiration biopsy device of drawing materials continuously according to claim 1, is characterized in that, the bevel angle of described cutting edge is 15 °-20 °.
5. semi-automatic aspiration biopsy device of drawing materials continuously according to claim 1, it is characterized in that, the outer wall of described inner sleeve (10) is formed with the slide rail (14) extended vertically, the inwall of trocar sheath (11) is formed with the chute (15) coordinated with described slide rail (14).
CN201520603468.XU 2015-08-11 2015-08-11 Semi -automatic aspiration biopsy device of drawing materials in succession Expired - Fee Related CN204890130U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105342673A (en) * 2015-09-30 2016-02-24 镇江市中西医结合医院 Ectopic pregnancy mass impact puncture device
CN107012523A (en) * 2017-03-14 2017-08-04 南通苏源化纤有限公司 A kind of extrusion spinning automatic feed hopper for being easy to observe
CN107049368A (en) * 2017-04-22 2017-08-18 安徽硕金医疗设备有限公司 A kind of Novel biopsy needle
CN107334518A (en) * 2017-06-28 2017-11-10 武传伟 The pelvic diseases PCI location transmitters being used cooperatively with female puncture supporter
CN109009251A (en) * 2018-09-12 2018-12-18 南京市第医院 Intravascular localized biopsy device
CN109938779A (en) * 2019-03-20 2019-06-28 南阳市中心医院 A kind of Internal Medicine-Oncology puncture sampler
CN110037771A (en) * 2019-04-15 2019-07-23 中南大学湘雅二医院 A kind of vascular reconstruction surgery device
CN110537938A (en) * 2019-08-05 2019-12-06 宁波爱她基因科技有限公司 Skin biopsy sampler or skin punching sampler or multifunctional sampling puncher
CN117398234A (en) * 2023-12-14 2024-01-16 北京茗视光眼科医院管理有限公司 Cataract puncture outfit

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105342673A (en) * 2015-09-30 2016-02-24 镇江市中西医结合医院 Ectopic pregnancy mass impact puncture device
CN107012523A (en) * 2017-03-14 2017-08-04 南通苏源化纤有限公司 A kind of extrusion spinning automatic feed hopper for being easy to observe
CN107049368A (en) * 2017-04-22 2017-08-18 安徽硕金医疗设备有限公司 A kind of Novel biopsy needle
CN107334518B (en) * 2017-06-28 2023-10-24 武传伟 Pelvic ultrasonic interventional therapy positioning emitter matched with female puncture frame
CN107334518A (en) * 2017-06-28 2017-11-10 武传伟 The pelvic diseases PCI location transmitters being used cooperatively with female puncture supporter
CN109009251A (en) * 2018-09-12 2018-12-18 南京市第医院 Intravascular localized biopsy device
CN109009251B (en) * 2018-09-12 2024-01-23 南京医科大学附属逸夫医院 Intravascular positioning biopsy device
CN109938779A (en) * 2019-03-20 2019-06-28 南阳市中心医院 A kind of Internal Medicine-Oncology puncture sampler
CN110037771A (en) * 2019-04-15 2019-07-23 中南大学湘雅二医院 A kind of vascular reconstruction surgery device
CN110037771B (en) * 2019-04-15 2023-12-22 中南大学湘雅二医院 Vascular reconstruction operation device
CN110537938A (en) * 2019-08-05 2019-12-06 宁波爱她基因科技有限公司 Skin biopsy sampler or skin punching sampler or multifunctional sampling puncher
CN117398234A (en) * 2023-12-14 2024-01-16 北京茗视光眼科医院管理有限公司 Cataract puncture outfit
CN117398234B (en) * 2023-12-14 2024-03-12 北京茗视光眼科医院管理有限公司 Cataract puncture outfit

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Granted publication date: 20151223

Termination date: 20170811