CN105943091A - Endoscopic biopsy apparatus - Google Patents

Endoscopic biopsy apparatus Download PDF

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Publication number
CN105943091A
CN105943091A CN201610378737.6A CN201610378737A CN105943091A CN 105943091 A CN105943091 A CN 105943091A CN 201610378737 A CN201610378737 A CN 201610378737A CN 105943091 A CN105943091 A CN 105943091A
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CN
China
Prior art keywords
needle
handle
outer tube
core wire
tube
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CN201610378737.6A
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Chinese (zh)
Inventor
盛健
董小娥
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南京法迈特科技发展有限公司
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Priority to CN201610378737.6A priority Critical patent/CN105943091A/en
Publication of CN105943091A publication Critical patent/CN105943091A/en

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02Instruments for taking cell samples or for biopsy
    • A61B10/0233Pointed or sharp biopsy instruments
    • A61B10/0266Pointed or sharp biopsy instruments means for severing sample
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02Instruments for taking cell samples or for biopsy
    • A61B10/04Endoscopic instruments
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02Instruments for taking cell samples or for biopsy
    • A61B10/04Endoscopic instruments
    • A61B2010/045Needles

Abstract

The invention discloses an endoscopic biopsy apparatus which comprises a handle assembly, an outer tube, a limiting piece, a needle tubing and an inner core wire. The handle assembly is composed of an adjustment handle, an outer tube handle, a limiting ring, an operation handle, a scale core rod, a needle tubing operation handle and an inner core wire control handle. The adjustment handle, the limiting ring and the operation handle are all arranged on the scale core rod and connected into a whole through the scale core rod. The outer tube handle is arranged in the adjustment handle and connected with the outer tube. The outer tube is connected with the scale core rod. The needle tubing operation handle is connected with the operation handle in a screwed mode. The operation handle is connected with the limiting piece in an inserted mode. The needle tubing is composed of a needle point section at the far end and a needle body section behind the needle point section. The needle tubing is located in the outer tube. The needle point section penetrates out of the far end of the outer tube. The needle body section is fixedly connected with the needle tubing operation handle. The inner core wire penetrates into the needle tubing. The far end of the inner core wire goes beyond the needle point end, and the near end of the inner core wire is connected with the inner core wire control handle. The biopsy operation is greatly simplified, the success rate and safety of operation are improved, operators can be easily trained, and wide promotion is easy.

Description

一种经内镜穿刺活检器械 One kind endoscopic biopsy instrument

技术领域 FIELD

[0001]本发明属于医疗器械技术领域,尤其涉及一种经内镜穿刺活检器械。 [0001] The present invention belongs to the technical field of medical devices, particularly to an endoscopic biopsy instrument.

背景技术 Background technique

[0002]经内镜穿刺技术是一种经过内镜工作钳道完成的微创诊疗技术,虽然属于高级内镜技术,但是近30年来,在全世界得到了成熟的发展。 [0002] Endoscopic puncture technique is a minimally invasive endoscopic treatment techniques through the completion of the work clamp Road, although are advanced endoscopic techniques, but over the past 30 years, the world has been mature development. 该技术在于通过穿刺实现获取细胞、组织、液体的诊断标本,也能进行穿刺抽液治疗,还能实现注射治疗的目的。 This technique consists in obtaining diagnostic specimens achieved by puncturing a cell, tissue, fluid, puncture fluid can be therapeutic, but also to achieve the purpose of infusion therapy. 目前所用于穿刺的内镜,大体上包括超声内镜和非超声内镜(即普通内镜)的穿刺,其中,根据在不同器官的应用和设计的区别,具体涉及经气管镜穿刺、经气管超声内镜穿刺、经消化内镜穿刺、经消化道超声内镜穿刺等。 Endoscopic puncturing punctured currently used, generally comprises a non-endoscopic ultrasonography and endoscopic ultrasound (i.e., normal endoscopy), wherein, in accordance with the difference between the application and the design of different organs, particularly relates to puncture bronchoscope, transtracheal EUS puncture, puncture through the gastrointestinal endoscopy, endoscopic ultrasound puncture through the digestive tract.

[0003] 中国公开专利CN200580051293.5涉及了一种“内窥镜用处置工具和生物组织分析处理系统及组织分析处理用的样品采集方法”,是一种经内镜钳道的管状穿刺针;美国专利US7641638B2涉及一种经内镜穿刺器械,采用注射器抽吸、穿刺针管、导丝共用唯一通道的设计,其金属针管与塑料管在塑料管的远端固连,以期其针管远段更易于侧弯;美国专利US4966162涉及一种内镜器械,在针管控制区侧面有一垂直的同道,用于连接注射器,通过细胞刷取样。 [0003] Chinese Patent CN200580051293.5 relates to an "endoscope treatment tool and method for analyzing a biological tissue sample collection and processing system with a tissue analysis", is one kind of the tubular needle endoscopic forceps channel; U.S. Patent US7641638B2 relates to an endoscopic puncture instrument, using a syringe pump, a puncture needle, a guide wire common design only channel, which is a metal needle with the plastic tube at the distal end of the plastic tube is secured, in order that the needle tube distal segment easier scoliosis; U.S. Patent No. US4966162 relates to an endoscopic instrument having a needle tube in the vertical fellow control region side, for connecting a syringe, through sampling cell brush. 该发明人相关的系列穿刺针专利US4791937、US7147607B2、US7204812B2,其穿刺针设计均只是适用于经气管镜的穿刺;美国专利US7981052B2涉及一种经内镜粘膜下活检针,其创新之处在与针尖采用一种辅助内针的针尖易于刺入组织的涉及。 The inventors series of related needle Patent US4791937, US7147607B2, US7204812B2, which are designed to apply only the puncture needle to puncture through the bronchoscope; U.S. Patent US7981052B2 relates to an endoscopic mucosal biopsy needle through which the needle tip innovations using an auxiliary needle tip within easy penetration relates to tissue.

[0004]现有穿刺针产品的共同特点是切割操作时,后撤无限位,针尖易拉出黏膜,负压吸引失效,造成手术失败,操作成功率越低,这极大限制了穿刺针产品的应用范围。 The common feature [0004] existing needle products are the cutting operation, unlimited retreat position, the needle is easy to pull out the mucous membranes, suction failure, resulting in surgical failure, the lower the success rate, which greatly limits the puncture needle products range of applications. 带有内芯丝的穿刺针产品,首先需要将内芯丝拉回针管内再进行穿刺,再将内芯丝复位,如针管内有异物,便被内芯丝顶入人体内,这将给患者带来严重的安全隐患。 Product needle with an inner core wire, the core needs first strands and then back into the puncture needle tube, the core wire and then reset, a foreign body such as a needle, it is the inner core wire into the top of the body, which will patients with serious security risks.

发明内容 SUMMARY

[0005]针对上述问题,本发明要解决的技术问题是提供一种经内镜穿刺活检器械。 [0005] In view of the above problems, the present invention is to solve the technical problem is to provide an endoscopic biopsy instrument.

[0006]本发明的一种经内镜穿刺活检器械,包括手柄组件、外管、限位件、针管及内芯丝,所述手柄组件由调节手柄、外管手柄、限位圈、操作手柄、刻度芯杆、针管操作手柄及内芯丝控制手柄组成,所述调节手柄、限位圈及操作手柄均设于刻度芯杆上且通过刻度芯杆串连成一体结构,所述外管手柄设于调节手柄内且连接有外管,所述外管与刻度芯杆连接,所述针管操作手柄与操作手柄旋接,所述操作手柄插式连接有限位件,所述针管由位于远端的针尖段和针尖段之后的针体段组成,所述针管位于外管内,所述针尖段穿出外管的远端,针体段固定连接针管操作手柄,所述内芯丝穿入针管内,所述内芯丝远端超出针尖端,近端连接内芯丝控制手柄。 [0006] A according to the present invention, endoscopic biopsy instrument comprising a handle assembly, an outer tube, the stopper, needle tube and the inner core wire, the handle assembly by the adjusting handle, the handle of the outer tube, the stopper ring, the operating handle , the scale of the core rod, the operating handle and the needle control handle core wire composition, said adjustment knob, and a stop ring are located in the operating handle by the scale and the scale of the core rod string stem integral structure, the outer tube handle adjusting disposed within the handle and connected with an outer tube, the outer tube is connected to the scale of the core rod, the operation handle and the needle tube screwed operating handle, said operating handle finite bit plug connector member, located in the distal end of said needle cannula the needle tip segment and the period after the tip segments, said needle cannula positioned within an outer tube, the tip section of the distal end of the outer tube piercing needle body section is fixedly connected to the needle operating handle, said inner needle penetrates the inner core wire tube , said core wire distally beyond the needle tip, the proximal end of the control handle connected to the core wire.

[0007]优选的,所述针管直径小于外管直径。 [0007] Preferably, the needle tube diameter smaller than the outer diameter of the tube.

[0008] 优选的,所述内芯丝横截面为半圆形且内芯丝的远端为顿圆头。 [0008] Preferably, the inner core wire semicircular in cross section and the distal end of the core wire is round Dayton.

[0009]优选的,所述内芯丝长度大于针管长度且内芯丝和针管之间留有轴向腔隙。 [0009] Preferably, the inner core wire leaving a length greater than the axial length of the cavities between the needle and the needle tube and the inner core wire.

[0010]优选的,所述外管材料为聚醚醚酮,所述外管边角为圆角结构。 [0010] Preferably, the outer tube material is polyetheretherketone, the outer tube rounded corner structures.

[0011 ]优选的,所述针尖段为锐利的两斜面且后段经过喷砂处理。 [0011] Preferably, the sharp tip segment and the two-stage ramp sandblasted.

[0012]优选的,所述针管材料为不锈钢、镍钛记忆合金材料。 [0012] Preferably, the needle tube of stainless steel, nitinol material.

[0013]优选的,所述内芯丝控制手柄采用鲁尔接头设计。 [0013] Preferably, the inner core wire using the control handle luer fitting design.

[0014] 优选的,所述调节手柄和限位圈均设于刻度芯杆上且通过螺栓锁紧固定。 [0014] Preferably, the adjustment handle and the stopper are located on the scale ring and the core rod is fixed by a locking bolt.

[0015]优选的,所述刻度芯杆上设有刻度。 [0015] Preferably, the core rod provided with a scale graduated.

[0016]本发明有益效果:本发明的设计可以满足消化道和气管的任何超声内镜介导的需要,还可用于经非超声内镜的钳道,实现直视下穿刺活检、抽液等。 [0016] Advantageous Effects of Invention: The present invention is designed to meet the needs of any of the digestive tract and trachea endoscopic ultrasound-mediated, may also be used by non EUS clamp Road, achieved biopsy under direct vision, and the like pumping fluid . 同时改变了传统的误操作,手术中,术者可以自由提拉穿刺针,施行组织的切割,操作过程中不需要担心针尖从黏膜中滑出,极大程度简化了穿刺操作,提高了操作安全性,改变了传统的将内芯丝先撤回针管内,穿刺后再推出给患者带来安全隐患的风险。 At the same time changed the traditional misuse, surgery, patients are free to pull the needle, cutting the purposes of the organization, during the operation does not need to worry about the tip slides out from mucosa, greatly simplifying the piercing operation, improve operational safety nature, changed the traditional core wire will withdraw within the first needle puncture after the introduction of the risk of a security risk to the patient.

[0017]本发明针尖两斜面的独特设计,穿刺效果理想,尤其适合获得长大组织标本;内芯丝缩回针尖斜面的设计,杜绝了外来物质的安全风险;针尖后端的喷砂处理,满足了超声下显影,达到肉眼直视下运动;针管操作手柄可拆卸,进行针管更换,节约资源。 [0017] The present invention two beveled tip unique design, the piercing effect over, in particular suitable for obtaining tissue samples grown; core wire retracted within needle bevel is designed to eliminate the safety risk of foreign material; sandblasting needle rear end, to meet developing the ultrasound to reach the naked eye movement; needle operating handle removable, for replacement of the needle tube, saving resources.

[0018]附图说明: [0018] BRIEF DESCRIPTION OF DRAWINGS:

为了易于说明,本发明由下述的具体实施及附图作以详细描述。 For ease of illustration, a specific embodiment of the present invention is described below in the detailed description and the accompanying drawings.

[0019]图1为本发明整体结构示意图。 [0019] Fig 1 a schematic view of the overall structure of the present invention.

[0020]图2为手柄组件结构示意图。 [0020] FIG. 2 is a schematic view of the handle assembly structure.

[0021 ]图3为针尖段部分结构示意图。 [0021] FIG. 3 is a schematic partial structure tip section.

[0022]图4为针尖段部分剖视结构示意图。 [0022] FIG. 4 is a schematic cross-sectional view of the structure of the tip segment portion.

[0023]图5为内芯丝撤回针尖段斜面剖视结构示意图。 [0023] FIG. 5 is a section of the core wire withdrawn needle bevel schematic cross-sectional configuration.

[0024]图6为限位件结构示意图。 [0024] FIG. 6 is a schematic view of the stopper structure.

[0025]图中,1-内芯丝;2_针管;3_外管;4_调节手柄;5_刻度芯杆;6_限位圈;7_操作手柄;8-内芯丝控制手柄;9-螺栓;10-限位件;11-外管手柄;12-刻度;13-针管操作手柄;14-针尖段两斜面;15-喷砂处理;16-圆角结构。 [0025] FIG, 1 the core wire; 2_ needle tube; an outer tube 3_; 4_ adjustment handle; 5_ scale stem; 6_ stopper ring; 7_ operation handle; 8- core wire within the control handle ; 9- bolt; 10- stopper; 11- outer tube handle; 12- scale; 13- needle operating handle; 14- two bevel tip segment; 15 grit blasting; 16- rounded configuration.

[0026]具体实施方式: [0026] DETAILED DESCRIPTION:

为使本发明的目的、技术方案和优点更加清楚明了,下面通过附图中示出的具体实施例来描述本发明。 For purposes of the present invention, technical solutions and advantages more apparent, the present invention will be described below by way of specific embodiments shown in the drawings. 但是应该理解,这些描述只是示例性的,而并非要限制本发明的范围。 It should be understood that these descriptions are exemplary only, and are not intended to limit the scope of the invention. 此夕卜,在以下说明中,省略了对公知结构和技术的描述,以避免不必要地混淆本发明的概念。 Bu this evening, in the following description, description is omitted for well-known structures and techniques, in order to avoid unnecessarily obscuring the concepts of the present invention.

[0027]如图1-6所示,本发明提供一种技术方案:一种经内镜穿刺活检器械,包括手柄组件、外管3、限位件10、针管2及内芯丝I,所述手柄组件由调节手柄4、外管手柄11、限位圈6、操作手柄7、刻度芯杆5、针管操作手柄13及内芯丝控制手柄8组成,所述调节手柄4、限位圈6及操作手柄7均设于刻度芯杆5上且通过刻度芯杆5串连成一体结构,所述外管手柄11设于调节手柄4内且连接有外管3,所述外管3与刻度芯杆5连接,所述针管操作手柄13与操作手柄7旋接,所述操作手柄7插式连接有限位件10,所述针管2由位于远端的针尖段和针尖段之后的针体段组成,所述针管2位于外管3内,所述针尖段穿出外管3的远端,针体段固定连接针管操作手柄13,所述内芯丝I穿入针管2内,所述内芯丝I远端超出针尖端,近端连接内芯丝控制手柄8。 [0027] As shown in Figure 1-6, the present invention provides a technical solution: A endoscopic biopsy instrument comprising a handle assembly, an outer tube 3, the stopper member 10, the needle tube 2 and the inner core wire I, the said handle assembly by the adjustment handle 4, the outer tube handle 11, the stopper ring 6, handle 7, the scale of the core rod 5, an operating handle 13 and the needle tube of the core wire consisting of a control handle 8, said adjustment knob 4, the stopper ring 6 and the handle 7 are located in the stem 5 on the scale and the scale structure integrally connected by the string 5 of the core rod, the outer tube handle 11 is provided with a regulating handle connected to the outer tube 3 and 4, the outer tube 3 and scale 5 connected to the stem, the operating handle 13 and needle cannula handle 7 screwed, the operation 10, the needle 2 is located at the distal end of the period after the tip section and the tip section of the handle 7 is inserted a limiting member of the connector by a needle cannula composition, the needle tube 2 positioned within the outer tube 3, the outer tube distal piercing tip section 3 of the needle body section is fixedly connected to the operating handle 13 of the needle tube, said core wire I 2 penetrating needle, the inner I core wire distally beyond the needle tip, the proximal end of the control handle connected to the core wire 8.

[0028]具体地,针管2位于外管3之内且其直径小于外管3的内径,针管2由一体的针尖段和针体段组成,针尖段能穿出外管3的远端;内芯丝I的横截面为半圆形并大于针管长度,内芯丝I和针管2之间留有轴向腔隙,远端穿出所述针尖段的远端。 [0028] Specifically, the needle tube 2 positioned within the outer tube 3 of and a diameter less than the outer tube 3 of the inner diameter of the needle tube 2 from the tip section and a needle section integrally composed tip segment can wear the distal end of the outer tube 3; the I core wire cross section is semicircular and is greater than the length of the needle, leaving an axial cavities between the core wire 2 and syringe I, the distal end of the distal piercing tip section.

[0029]具体地,外管3材料为聚醚醚酮,长度可根据用于支气管镜、消化道内镜等的不同需要而加工不同的优选长度。 [0029] In particular, the outer tube 3 material is polyetheretherketone, the length of the processing may be different for different needs in accordance with a preferred length bronchoscopy, endoscopy and the like. 外管3的作用是形成针管2及其内部器械在钳道内安全、顺畅通过。 Role of the outer tube 3 is formed inside the needle tube 2 and within the device clamp Road safety, through smoothly. 外管3远端进行圆角结构16处理,以免划伤患者。 3 is rounded distal end of the outer tube handle structure 16, to avoid scratching the patient.

[0030]具体地,针管2直径可在现有针管的范围内,具体如17g_22g(g是单位gauge简写,全文同)。 [0030] Specifically, the diameter of the needle tube 2 may be in the range of the conventional needle tube, particularly as 17g_22g (g gauge unit is short, the same text). 针管2位于外管3内,其在外管3内可自由移动。 Needle tube 2 positioned within the outer tube 3, which is freely movable within the outer tube 3. 针管2由位于远端的针尖段和针尖段之后的针体段组成,针尖段后段喷砂处理,使其能够在超声下显影可见。 The needle tube 2 from the tip section at the distal end section and the needle tip after the segments, the segment tip section blast treatment, it can be seen in the development of ultrasound. 针尖段两斜面14的设计,针尖段发挥刺入组织并切割组织的作用。 Two beveled tip design section 14, the needle piercing the tissue and cutting segment play the role of the organization. 针管2近端开放,针管2近端固定连接针管操作手柄13。 2 open proximal end of the needle tube, the needle tube 2 is fixedly connected to the proximal end of the needle tube operating handle 13. 针管2可在钳道内随钳道的弯曲而弯曲,并能前后移动,其材料为不锈钢、镍钛记忆合金材料。 2 with the needle tube can be bent curved forceps channel in the clamp channel, and can move back and forth, which is made of stainless steel, nitinol material.

[0031] 具体地,内芯丝I横截面为半圆形,内芯丝I的远端为顿圆头。 [0031] In particular, the inner core wire I semicircular cross-section, the distal end of the core wire I is Dayton round. 内芯丝I近端连接内芯丝控制手柄8,方便控制内芯丝I的伸出针管2或者退出针管2。 The core wire connecting the inner I core wire proximal control handle 8, to facilitate the control of the core wire projecting the needle tube 2 I or exit the needle tube 2. 内芯丝控制手柄8可采用鲁尔接头设计。 The core wire of the control handle 8 luer connector design may be employed.

[0032] 具体地,内芯丝控制手柄8与内芯丝I连接,控制内芯丝I退回针尖斜面处、伸出和退出针管2。 [0032] In particular, the core wire 8 I control handle connected to the core wire, the core wire control I bevel needle retracted, projecting the needle tube 2 and exit. 针管操作手柄13与针管2连接,控制出针与收针。 Needle operating handle 13 and the needle tube 2 is connected, and a control needle stitches. 外管手柄11与外管3连接,控制外管3穿入和拔出钳道时的定位。 The outer tube handle 11 is connected to the outer tube 3, the outer tube 3 penetrates the control and positioning of the forceps channel pull. 限位圈6在刻度芯杆5的刻度处移动并固定,限制针管操作手柄13移动位置,达到控制针伸出的长度。 Mobile and fixed stop ring 6, the operation lever 13 to limit movement of the needle tube at the position of the graduated scale of the stem 5, to control the length of the needle projecting. 调节手柄4在带有刻度12的刻度芯杆5上移动,微调外管3长度。 Adjusting handle stem 4 on the scale 5 having the scale 12 is moved, the length of the outer tube 3 trimming.

[0033] 实施例1 [0033] Example 1

如图1-6所示,外管3作为外部保护管,其长度可根据用于支气管镜、消化道内镜等的不同需要而加工成不同的长度,其形成针管2及其内部器械在钳道内安全、顺畅通过。 1-6, the outer tube 3 as the external protective pipe, which length can be processed into different lengths according to different needs for bronchoscopy, endoscopy and the like, which is formed inside the needle tube 2 and the clamp device within road safety and smooth through. 近端与外管手柄11连接,外管3远端进行圆角结构16处理,以免划伤患者。 A proximal end connected to the outer tube handle 11, the distal end of the outer tube 3 is rounded handle structure 16, to avoid scratching the patient.

[0034]针管2的主体位于外管3之内且其直径小于外管3的内径,其在外管3内可自由移动,本实施例中采用不锈钢和镍钛合金材料。 Body [0034] The needle tube 2 is located within the outer tube 3 and of a diameter smaller than the inner diameter of the outer tube 3, which is freely movable within the outer tube 3, in this embodiment of stainless steel and nickel-titanium alloy material. 针管2总体直径可在17g- 22g范围内,也可根据需要在其他范围内调整,针尖后端进行喷砂处理15,便于超声波识别反射。 The overall diameter of the needle tube 2 can also be adjusted as desired within other ranges within the scope of 17g- 22g, the rear end of the needle tip subjected to ultrasonic reflection recognition sandblasted 15 easy. 针管2针尖段能穿出外管3的远端。 The needle tube 2 can wear tip section 3 of the distal end of the outer tube. 针远端的针尖进一步采用锐利的针尖段两斜面14设计,针体段与针管操作手柄13连接。 The distal end of the needle tip segment further employ a sharp needle tip 14 is designed two bevel needle body and the needle tube section 13 is connected to the operating handle.

[0035]内芯丝I穿过针管2,远端超出针尖l-2mm,与针管2之间留有轴向腔隙。 [0035] I the core wire through the needle tube 2, a distal tip beyond the l-2mm, leaving cavities between the axial needle tube 2. 远端横截面为半圆形,近端与内芯丝控制手柄8连接。 Semicircular cross section a distal end, a proximal end of the handle 8 is connected to the inner core wire control. 手柄组件由刻度芯杆5将其它组件串连成一体,并达到其各功能。 A handle assembly 5 scale stem integral series of other components, reaching its respective functions. 刻度芯杆5上,刻度12为出针测量数值,间距为lcm。 The stem 5 on the scale, the scale 12 is measured values ​​needle pitch of lcm. 外管手柄11与外管3连接,再与刻度芯杆5连接,达到固定外管3。 The outer tube handle 11 and the outer tube 3 is connected, and then connected to the core rod 5 scale, to the outer tube 3 is fixed. 调节手柄4在刻度芯杆5上,可上下滑动,螺栓9进行锁紧固定,达到调节外管3伸出手柄组件的长度。 Adjusting handle stem 4 on the scale 5, can slide up and down, the locking bolt 9 fixed, to regulate the length of the outer tube 3 extending in the handle assembly.

[0036]限位圈6在刻度芯杆5上可滑动,螺栓9进行锁紧固定,达到控制针管2伸出长度。 [0036] The stopper ring 6 is slidable on the scale of the core rod 5, a bolt 9 for fastening the lock, to control the projecting length of the needle tube 2. 针管操作手柄13与针管2连接,达到固定针管2。 Needle operating handle 13 and the needle tube 2 is connected to a fixed needle tube 2. 针管操作手柄13与操作手柄7旋接,操作手柄7在刻度芯杆5上可上下滑动,达到针管2运动的控制,针管操作手柄13与操作手柄7旋开可进行针管2更换。 Needle operating handle 13 and the handle 7 screwed to the operating handle 7 on a scale stem 5 can slide up and down, to control the needle 2 is moved in the tube, needle operating handle 13 and the handle 7 is unscrewed available needle tube 2 replaced. 限位件10与操作手柄7为插式连接,限位件上圈端在操作手柄7内,并设有小凸台卡入操作手柄7上的Z槽内,小凸台移动至Z槽上横槽内,达到针管2不能完全撤回外管3内。 The stopper member 10 and the handle 7 is a plug-in connector, the inner end of the ring member limiting the operating handle 7, and is provided with small projections snap into the groove Z on the operating handle 7, to move the boss small groove Z lateral grooves, to withdraw the needle tube 2 is not completely inside the outer tube 3. 内芯丝控制手柄8与内芯丝I连接,达到固定内芯丝I。 The core wire 8 I control handle connected to the inner core wire, the core wire to a fixed I.

[0037] 实施例2: [0037] Example 2:

经气管内镜超声引导的气管淋巴结活检术: Tracheal endoscopic ultrasound-guided tracheal lymph node biopsy:

(I)穿刺针器械的规格为:外管3有效长度为管75 cm,针管2直径为22g,内芯丝I直径为0.4mmο (I) Specification of the puncture needle instrument: the effective length of the outer tube 3 is a tube 75 cm, 2 diameter of the needle tube 22g, a diameter of the core wire I 0.4mmο

[0038] (2)依据气管淋巴结分布图谱,内镜插至目的穿刺部位后,经钳道插入外管3,调节手柄4调节外管3长度,使其内镜直视下可见,并固定,滑动限位圈6控制针管2伸出长度,并锁定。 After [0038] (2) according to the distribution pattern of lymph duct, endoscopic insertion puncture site to the destination, via the forceps channel 3 is inserted into the outer tube, the adjustment handle 4 adjustable length of the outer tube 3, it is visible under endoscope, and fixed, limit the sliding control collar 6 projecting length of the needle tube 2, and locked.

[0039] (3)旋开内芯丝控制手柄8,下压操作手柄7将针管2推进目的深度。 [0039] (3) Unscrew the core wire within the control handle 8, the handle 7 pressed object depth advance the needle tube 2. 将限位件10推至另一侧,操作内芯丝控制手柄8,拔出内芯丝I,负压器与针管操作手柄13连接,并加负压。 The stopper 10 is pushed to the other side of the member, the operation of the control handle 8 core wire, the core wire pulled I, with a negative pressure operating handle 13 is connected to the needle, and suction is applied. 操作操作手柄7,使针管2在目的组织内穿插数次,一般10次为最佳,即完成大体积的组织样本。 Operation of the operation lever 7, the needle tube 2 inserted several times in the tissue of interest, typically 10 times for the best, i.e., large volumes of tissue sample is completed.

[0040] (4)将限位件10复位,将针管2收回到外管3内,并固定针管2,然后将外管3从内镜钳道中拔出。 [0040] (4) reset the stopper member 10, the needle tube 2 is retracted inside the outer tube 3, and fixed to the needle tube 2 and outer tube 3 is pulled out from the forceps channel of the endoscope.

[0041] (5)推压负压器活塞,利用空气从针管2内排出标本;或者用注射器经针管推注生理盐水;或者用推内芯丝I向针管2远端排出标本。 [0041] (5) vacuum pressing piston, the needle by the air discharged from the specimen tube 2; or a syringe with a needle through the bolus of saline; or specimen is discharged into the distal end of the tube 2 with the push pin core wire I. 常用载玻片或者样本收集瓶收集标本。 Common slide or specimen sample collection bottle collection.

[0042] (6)复位后再次完成上述操作进行穿刺活检细胞和组织标本。 [0042] (6) After the completion of the reset operation is performed again biopsy cells and tissue specimens.

[0043]以上显示和描述了本发明的基本原理和主要特征和本发明的优点。 [0043] The above description and the basic principles and features of this invention and the main advantages of the invention. 本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。 The industry the art will appreciate, the present invention is not limited to the above embodiment, the above-described examples and embodiments described in the specification are only illustrative of the principles of the present invention, without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, changes and modifications which fall within the scope of the claimed invention. 本发明要求保护范围由所附的权利要求书及其等效物界定。 The scope of the invention as claimed by the appended claims and their equivalents.

Claims (10)

1.一种经内镜穿刺活检器械,其特征在于:包括手柄组件、外管、限位件、针管及内芯丝,所述手柄组件由调节手柄、外管手柄、限位圈、操作手柄、刻度芯杆、针管操作手柄及内芯丝控制手柄组成,所述调节手柄、限位圈及操作手柄均设于刻度芯杆上且通过刻度芯杆串连成一体结构,所述外管手柄设于调节手柄内且连接有外管,所述外管与刻度芯杆连接,所述针管操作手柄与操作手柄旋接,所述操作手柄插式连接有限位件,所述针管由位于远端的针尖段和针尖段之后的针体段组成,所述针管位于外管内,所述针尖段穿出外管的远端,针体段固定连接针管操作手柄,所述内芯丝穿入针管内,所述内芯丝远端超出针尖端,近端连接内芯丝控制手柄。 An endoscopic biopsy instrument, characterized by: a handle assembly, an outer tube, the stopper, needle tube and the inner core wire, the handle assembly by the adjusting handle, the handle of the outer tube, the stopper ring, the operating handle , the scale of the core rod, the operating handle and the needle control handle core wire composition, said adjustment knob, and a stop ring are located in the operating handle by the scale and the scale of the core rod string stem integral structure, the outer tube handle adjusting disposed within the handle and connected with an outer tube, the outer tube is connected to the scale of the core rod, the operation handle and the needle tube screwed operating handle, said operating handle finite bit plug connector member, located in the distal end of said needle cannula the needle tip segment and the period after the tip segments, said needle cannula positioned within an outer tube, the tip section of the distal end of the outer tube piercing needle body section is fixedly connected to the needle operating handle, said inner needle penetrates the inner core wire tube , said core wire distally beyond the needle tip, the proximal end of the control handle connected to the core wire.
2.根据权利要求1所述的一种经内镜穿刺活检器械,其特征在于:所述针管直径小于外管直径。 According to one of the claims 1 to endoscopic biopsy device, wherein: the needle tube diameter smaller than the outer diameter of the tube.
3.根据权利要求1所述的一种经内镜穿刺活检器械,其特征在于:所述内芯丝横截面为半圆形且内芯丝的远端为顿圆头。 The one of the preceding claims endoscopic biopsy device, wherein: said inner core wire semicircular in cross section and the distal end of the core wire is round Dayton.
4.根据权利要求1所述的一种经内镜穿刺活检器械,其特征在于:所述内芯丝长度大于针管长度且内芯丝和针管之间留有轴向腔隙。 According to claim 1, wherein one of said endoscopic biopsy device, wherein: said inner core wire leaving the axial length greater than the length of the needle tube, and cavities between the core wire and the inner needle.
5.根据权利要求1所述的一种经内镜穿刺活检器械,其特征在于:所述外管材料为聚醚醚酮,所述外管边角为圆角结构。 5. A method according to claim 1 endoscopic biopsy device, wherein: the outer tube material is polyetheretherketone, the outer tube rounded corner structures.
6.根据权利要求1所述的一种经内镜穿刺活检器械,其特征在于:所述针尖段为锐利的两斜面且后段经过喷砂处理。 According to one of the claims 1 to endoscopic biopsy device, wherein: said sharp tip segment is a two-stage ramp and sandblasted.
7.根据权利要求1所述的一种经内镜穿刺活检器械,其特征在于:所述针管材料为不锈钢、镍钛记忆合金材料。 According to one of the claims 1 to endoscopic biopsy device, wherein: the needle tube of stainless steel, nitinol material.
8.根据权利要求1所述的一种经内镜穿刺活检器械,其特征在于:所述内芯丝控制手柄采用鲁尔接头设计。 According to claim 1, wherein one of said endoscopic biopsy device, wherein: said core wire within the control handle with a luer fitting design.
9.根据权利要求1所述的一种经内镜穿刺活检器械,其特征在于:所述调节手柄和限位圈均设于刻度芯杆上且通过螺栓锁紧固定。 According to claim 1, wherein one of said endoscopic biopsy device, wherein: the adjustment handle and the stopper ring are located in the scale of the core rod and secured by a locking bolt.
10.根据权利要求1所述的一种经内镜穿刺活检器械,其特征在于:所述刻度芯杆上设有刻度。 According to one of the claims 1 to endoscopic biopsy device, wherein: said core rod provided with a scale graduated.
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