CN203303145U

CN203303145U - High-frequency double-electrode electric resection puncturing needle

Info

Publication number: CN203303145U
Application number: CN2013203000095U
Authority: CN
Inventors: 张震宇; 钟鸣; 岳计强
Original assignee: Hangzhou Kangji Medical Instrument Co Ltd
Current assignee: Hangzhou Kangji Medical Instrument Co Ltd
Priority date: 2013-05-29
Filing date: 2013-05-29
Publication date: 2013-11-27
Anticipated expiration: 2023-05-29

Abstract

The utility model relates to a high-frequency double-electrode electric resection puncturing needle. The high-frequency double-electrode electric resection puncturing needle comprises a puncturing seat, a first electrode, a second electrode, a needle rod, an electric conduction tube, a first work electrode and a second work electrode, wherein inserting holes are formed inside the puncturing seat, the first electrode and the second electrode are located inside the inserting holes, an insulator is arranged between the first electrode and the second electrode, the needle rod sequentially penetrates through the puncturing seat, the second electrode and the insulator to be connected with the first electrode, the needle rod is sleeved with the electric conduction tube, an insulation tube is arranged between the electric conduction tube and the needle rod, the electric conduction tube is connected with the second electrode and is sleeved with an insulation sleeve, the first work electrode is fixedly connected with the needle rod, the second work electrode is fixedly connected with the electric conduction tube, and an insulation seat is arranged between the first work electrode and the second work electrode. The high-frequency double-electrode electric resection puncturing needle is reasonable in design, achieves the effects of puncturing, electrocoagulation, separation and coagulation on body tissue, provides high-frequency electricity for the body issue through the two ends of the two electrodes and achieves the separation and coagulation on the body issue, thereby achieving the purposes of puncturing and hemostasis.

Description

High-frequency bipolar TURP puncture needle

Technical field

This utility model relates to a kind of high-frequency bipolar TURP puncture needle, is exclusively used in the puncture of tissue high frequency TURP, belongs to technical field of medical instruments.

Background technology

Gynecological's water filling laparoscopic surgery (transvaginal hydrolaparocopy is called for short THL), it is the up-to-date surgical technic of current domestic and international application endoscopic surgery, be mainly used in the pelvic cavity diagnosis, also for simple operation technique, as the ovary piercing operation, the solidifying operation of endometriosis focus point, the slight pelvic adhesion operation etc. of loosening.Gynecological's water filling laparoscopic surgery technology and Wicresoft's laparoscopic surgery compare, and the operation application is simple, speed is fast, does not need pneumoperitoneum and general anesthesia, does not also need hospitalization, realize that progressively the technology treatment is oversimplified, outpatient service.Gynecological's water filling laparoscopic surgery is the puncture instrument of application specific, enters pelvic cavity from posterior fornix of vagina, injects warm saline as the pelvic cavity inflating medium, is formed on the operation on pelvis hydrospace, and using miniature endoscope and operating theater instruments, diagnose and operative treatment.Prior art be generally with bipolar coagulation cut, pincers, hook, rod etc., its method is that two tips of apparatus provide high-frequency electrical energy to body tissue, its effect is can only be organized in dehydration carbonization under the high frequency electric of certain value for operation to form the electric coagulation hemostasis effect.At present in gynecological's water filling peritoneoscope clinical operation, the puncture needle that the puncture posterior fornix of vagina enters pelvic cavity is mechanical cutting edge formula, blade shape has respectively taper, Rhizoma Sparganii blade shape, four Pedicellus et Pericarpium Trapae blade shapes, piercing method is mechanical intrusive mood, and in piercing process, penetration Resistance is large, otch is large, in piercing process, be difficult to control, its hetero-organization in the easy damaged pelvic cavity, can not meet desirable operation application.

The utility model content

Technical problem to be solved in the utility model is to overcome existing above-mentioned deficiency in prior art, and provide a kind of reasonable in design, can effectively to when injected organism tissue, separate and solidify, thereby reach puncture and the high-frequency bipolar TURP puncture needle of the purpose of stopping blooding.

This utility model solves the problems of the technologies described above the technical scheme adopted: a kind of high-frequency bipolar TURP puncture needle, it is characterized in that: it comprises puncture seat, an electrode, No. two electrodes, shank, contact tube, a working electrode and No. two working electrodes, in the puncture seat, be provided with jack, an electrode and No. two electrodes are positioned at jack, No. two electrode is fixing with the puncture seat, is provided with insulator between an electrode and No. two electrodes; Described shank passes puncture seat, No. two electrodes, insulator successively, is connected with an electrode, is provided with insulator between shank and No. two electrodes; Described contact tube is enclosed within outside shank, is provided with insulation tube between contact tube and shank, and contact tube passes the puncture seat and is connected with No. two electrodes, and the contact tube overcoat has insulation sleeve, and insulation sleeve is fixing with the puncture seat; The front end of a described working electrode and shank is fixed and is integral, and the front end of No. two working electrodes and contact tube is fixed, and is provided with insulating base between a working electrode and No. two working electrodes.

In puncture seat described in the utility model, be provided with holder, holder and No. two electrodes are fixed, and No. one electrode passes holder, and insulation tube, No. two electrodes, insulation sleeves are fixed on holder.

The material of insulation sleeve described in the utility model and insulating base is pottery.

Between insulation sleeve described in the utility model and puncture seat, fix by gummed; Described insulating base is inserted in working electrode No. one, and fixing with No. two working electrode gummeds.

This utility model compared with prior art, has following positive effect: reasonable in design, realization is to when injected organism tissue puncture, coagulation, the effect of separating and solidifying, by bipolar two ends, provide high-frequency electrical energy to body tissue, realization is to the separation of when injected organism tissue and solidify, thereby plays the purpose of puncture and hemostasis.

The accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the structure for amplifying schematic diagram of a-quadrant in Fig. 1.

Structural representation when Fig. 3 is this utility model use.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing and by embodiment.

Embodiment:

Referring to Fig. 1～Fig. 3, the present embodiment comprises 1, electrode of puncture seat 3, No. two electrodes 4, shank 8, contact tube 6, working electrode 9 and No. two working electrodes 10, in puncture seat 1, be provided with jack 13, an electrode 3 and No. two electrodes 4 are positioned at jack 13, No. two electrode 4 is fixing with puncture seat 1, is provided with insulator 5 between an electrode 3 and No. two electrodes 4; Described shank 8 passes 1, No. two electrode 4 of puncture seat, insulator 5 successively, is connected with an electrode 3, is provided with insulator 5 between shank 8 and No. two electrodes 4; Described contact tube 6 is enclosed within outside shank 8, is provided with insulation tube 7 between contact tube 6 and shank 8, and contact tube 6 passes puncture seat 1 and is connected with No. two electrodes 4, and contact tube 6 overcoats have insulation sleeve 2, and insulation sleeve 2 is fixing with puncture seat 1; A described working electrode 9 is fixed and is integral with the front end of shank 8, and No. two working electrode 10 is fixed with the front end of contact tube 6, is provided with insulating base 11 between a working electrode 9 and No. two working electrodes 10.

In the present embodiment, be provided with holder 12 in puncture seat 1, holder 12 is fixed with No. two electrodes 4, and No. one electrode 3 passes holder 12, and insulation tube 7, No. two electrodes 4, insulation sleeves 2 are fixed on holder 12.

In the present embodiment, the material of insulation sleeve 2 and insulating base 11 is pottery.

In the present embodiment, by gummed, fix between insulation sleeve 2 and puncture seat 1; Described insulating base 11 is inserted in working electrode 9 No. one, and fixing with No. two working electrode 10 gummeds.

During use, insert jack 13 with plug special, the high frequency safe current is connected with No. two electrodes 4 with an electrode 3, an electrode 3 and No. two electrodes 4 insulate under the effect of insulator 5; No. one electrode 3 is sent into working electrode 9 by electric current No. one by shank 8, No. two electrode 4 is sent into working electrode 10 by electric current No. two by contact tube 6, between shank 8 and contact tube 6, by insulation tube 7 insulation, a working electrode 9 and No. two working electrodes 10 insulate under the effect of insulating base 11.

During operation, puncture needle enters vagina work, and No. one electrode 3 enters cervix uteri 14 and arched roof 15 positions, connect the high frequency safe current, No. one working electrode 9 punctures, and No. one working electrode 9 separates when injected organism tissue and solidifies with No. two working electrodes 10 under the condition of high humility, reaches the effect of puncture.The formed water injection hole that punctures, be separate and solidify by the high temperature coagulation, and the high temperature electric coagulation hemostasis does not have blood stains to dye to guarantee getting a clear view of endoscope in operation after water filling.

The present embodiment has made up that prior art machinery cutting edge intrusive mood piercing method penetration Resistance in piercing process is large, otch large, be difficult to control in piercing process, its hetero-organization in the easy damaged pelvic cavity, in water filling, have blood stains to dye and affect the defect such as the endoscope visual field.

In the present embodiment, the art designs of a working electrode 9, both as working electrode, again as puncturing head, diameter only has 0.35mm, in operation puncturing application can never the easy damaged pelvic cavity in its hetero-organization.

In the present embodiment, insulation sleeve 2 and insulating base 11 are ceramic material, and particularly insulating base 11, the technology application of pottery, bear working electrode 9 and No. two working electrodes 10 separate when injected organism tissue and solidify under hot conditions insulation effect, guarantee service life of the present invention.

In the present embodiment, the bonding technique of insulation sleeve 2 and insulating base 11, be metal and nonmetallic bonding, can be in hot and humid severe working condition application after gummed, the specification requirement of adhesive reaches the high temperature of 400 ℃ of abilities, humidity and insulation (more than AC3000V); Its coefficient of expansion must be close with rustless steel with pottery, guarantees can not throw off under hot conditions.

In addition, it should be noted that, the specific embodiment described in this description, as long as the undeclared concrete shape of its part and size, this part can be any shape and size that adapt with its structure; Simultaneously, the part title of getting also can be different.All equivalence or simple change of doing according to the described structure of this utility model patent design, feature and principle, be included in the protection domain of this utility model patent.

Claims

1. high-frequency bipolar TURP puncture needle, it is characterized in that: it comprises puncture seat, an electrode, No. two electrodes, shank, contact tube, a working electrode and No. two working electrodes, in the puncture seat, be provided with jack, an electrode and No. two electrodes are positioned at jack, No. two electrode is fixing with the puncture seat, is provided with insulator between an electrode and No. two electrodes; Described shank passes puncture seat, No. two electrodes, insulator successively, is connected with an electrode, is provided with insulator between shank and No. two electrodes; Described contact tube is enclosed within outside shank, is provided with insulation tube between contact tube and shank, and contact tube passes the puncture seat and is connected with No. two electrodes, and the contact tube overcoat has insulation sleeve, and insulation sleeve is fixing with the puncture seat; The front end of a described working electrode and shank is fixed and is integral, and the front end of No. two working electrodes and contact tube is fixed, and is provided with insulating base between a working electrode and No. two working electrodes.

2. high-frequency bipolar TURP puncture needle according to claim 1 is characterized in that: in described puncture seat, be provided with holder, holder and No. two electrodes are fixed, and No. one electrode passes holder, and insulation tube, No. two electrodes, insulation sleeves are fixed on holder.

3. high-frequency bipolar TURP puncture needle according to claim 1 and 2 is characterized in that: the material of described insulation sleeve and insulating base is pottery.

4. high-frequency bipolar TURP puncture needle according to claim 1 and 2, is characterized in that: by gummed, fix between described insulation sleeve and puncture seat; Described insulating base is inserted in working electrode No. one, and fixing with No. two working electrode gummeds.