CN201353173Y

CN201353173Y - Pneumatic ligator

Info

Publication number: CN201353173Y
Application number: CNU2009201368547U
Authority: CN
Inventors: 刘明
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-02-25
Filing date: 2009-02-25
Publication date: 2009-12-02
Anticipated expiration: 2019-02-25

Abstract

The utility model discloses a pneumatic ligator, in particular to a pneumatic multi-purpose ligator used when an endoscope is in direct vision, and belongs to medical instruments. The pneumatic ligator has the advantages of simple and convenient operation when the endoscope is in direct vision, high efficiency, simple structure, easy processing and production, low manufacturing cost and novel working principle. The pneumatic ligator comprises a ligation pipe, a ligation ring, an air-sac duct and a connecting conduit. The ligation ring is sleeved at the front part of the ligation tube, and the air-sac duct is arranged on the outer side of the ligation pipe behind the ligation ring; the front end of the air-sac duct is open, the air-sac duct is contracted under a normal condition, and the air-sac duct is connected with a common injector for medical purposes through the conduit.

Description

The pneumatic type looping and binding device

Technical field

This utility model relates to a kind of medical apparatus and instruments, especially relates to a kind of pneumatic type multipurpose looping and binding device that uses at direct view under endoscope.

Background technology

Have now esophageal variceal vein is carried out the direct view under endoscope ligation treatment, usually adopt line traction looping and binding device, although its structure is simple, need repeatedly assemble ligation ring, so operation sequence is more numerous and diverse, service efficiency is low; And need to use a thick draught line to pass through endoscopic biopsy channel, negative pressure suction force and result for the treatment of when directly having affected treatment.In addition, tractive just can make the interior pipe of cover bundle in the place ahead retreat because this kind line traction looping and binding device is still needed firmly, and cover is pricked ring and deviate from, slippage is arranged during draught line, therefore be at the scope front end and be difficult to use under the rollover states, can not be used for the treatment of varices of fundus of stomach, therapeutic domain is restricted.Multiple looping and binding device continuously produced in USA (but Six-shooter six ring looping and binding devices of examining company as Speedband five rings looping and binding device and Wales of boston, u.s.a scientific ﹠ technical corporation) though but one-time continuous discharges a plurality of covers pricks ring, but the structural manufacturing process complexity, the cost height.In addition, its cover is pricked number of rings amount and is fixed, clinically can not be according to the practical situation flexible Application, and clinical application is single.Make flowing mode though the air driven looping and binding device of SUMITOMO CHEMICAL Co., Ltd. research and development has improved, improved efficient and reliability, do not take biopsy channel, structure and technology are comparatively complicated, and cost an arm and a leg.

Summary of the invention

The purpose of this utility model is the existing above-mentioned many shortcomings of using both at home and abroad at existing of looping and binding device, provides a kind of easy and simple to handle at direct view under endoscope, the efficient height, simple in structure, be easy to processing, cheap, the pneumatic type looping and binding device of operation principle novelty.

The utility model is provided with ligation tube, ligation ring, airsac tube and connecting duct.Ligation ring is set in the ligation tube front portion, and airsac tube is located at the ligation tube outside after the ligation ring, and the front end of airsac tube is open, and airsac tube just often is contraction state, and airsac tube links to each other with a common injector for medical purpose by connecting duct.

The ligation tube front and rear preferably is the elasticity connection rubber tube, so that the looping and binding device body can firmly link into an integrated entity with the scope fore-end.Ligation ring is preferably elasticity O shape ligation ring.

The ligation tube first half can be rigid ligation tube, and the attached elastic bag pipe in the outside links to each other with a syringe by Great Wall Software's property on-expansible connecting duct; Ligation tube is latter half of to be elastic rubber tube.Be placed at the ligation ring stand tube outside after ligation ring is expanded, be placed on then in the corresponding circular hole of installing plate.

Airsac tube can be at least 2 equidistant arrangement airsac tubes of stringer, or rolls over line discipline repeatedly for the single N of being font and arrange airsac tube; The airsac tube front end can seal, and also can open.Each ligation ring is seated on the rigid ligation tube outside that is positioned at the ligation tube first half corresponding many or the single airsac tube successively.Single or the many airsac tubes of front end are connected with the syringe of rear end by single or many connecting ducts.

A plurality of circular holes are arranged above the matching used installing plate, corresponding with it cover is pricked the ring support external diameter of pipe and is slightly less than the circular hole internal diameter, when cover was pricked the ring support pipe and put into the circular hole of installing plate, part was suspended on the installing plate and is in dormant state in each circular hole owing to be subjected to that the middle part in its outside is installed in its outside after enlarging in advance cover is pricked loop resistance retaining effect.

When this utility model uses, can install by cover bundle ring support pipe and installing plate, the high resiliency O shape of expansion state cover is pricked ring reducing sleeve from the installing plate be put in the front center that cover is pricked pipe first half outer elastic airsac tube, the first half airsac tube still is open state, and latter half of airsac tube then is in interim closed state.When injecting gas via connecting duct to the latter half of elastic bag pipe that temporarily is closed state of its front end by syringe, this elastic bag pipe is sacculus shape expansion and expands passive, the high resiliency O shape ligation ring that cover is put in its outside is subjected to its forward action power and produces the continuous rolling movement upwards that reaches forward, thereby roll to ligation tube the place ahead, lose to support afterwards from the ligation tube front end at last and come off, the elastical retraction cover is tied in the soft lesion tissue root that is entered in advance the medial eminence of ligation tube first half by vacuum suction, once overlaps the bundle process thereby finish.Because connecting duct is soft conduit, thus can be attached at the shank outside with scope free bend, neither affect the motion of scope, do not take the biopsy channel of scope yet, therefore can give full play to vacuum suction and the flushing action of endoscopic biopsy channel.Can realize in the following ways operating process: (one) single capsule method: the all-round outside that is wrapped in the ligation tube inner tube of front end airsac tube, and the air bag front portion is pressed off in ligation tube by the ligation ring tight collapse in the outside and is temporary transient closed state, after by injecting gas in the connecting duct forward end airsac tube, airsac tube will be all-round synchronous cystic dilatation, thus promote outermost ligation ring forward skid until the self ligation inner tube front end come off; (2) single pipe method: utilize the single elastic bag pipe that is attached to the ligation tube outside, use syringe to inject gas to connecting duct, the expansion spherical in shape of ligation tube outer elastic airsac tube promotes its hoop skid and drive ligation ring integral part interlock until prick the inner tube front end from cover at last and come off before ligation ring one side direction in its outside.Can make the pneumatic looping and binding device of running fire formula according to same principle.

Product according to above-mentioned principle manufacturing is compared with existing domestic and international wire-pulling type single-shot or running fire looping and binding device, owing to adopted novel pneumatic type to promote the method for ligation ring, thereby so that ligation ring is in ligation tube generation skid effect forward, be different from the simple slip effect of the pull-type product of traditional wire fully, be easier to coming off of ligation ring, operation is more easily simple.Because connecting duct is attached at shank and draws outward, thereby do not take the biopsy channel of scope, therefore can farthest bring into play its effect simultaneously,, and simplify the program that looping and binding device is installed to greatest extent as vacuum suction, flushing and insertion puncture needle injection of sclerosing agent etc.Connecting duct is that soft conduit can be arbitrarily crooked and do not affect it and freely transmit aerodynamical function with scope, so especially be applicable under the tortuous digester tube state of various complexity and use.

The utility model directly socket is placed in the scope front end, and quick fit on ligation ring heel imports in oesophagus or the colon lumen with scope from the installing plate, and is accurate, directly perceived, easy in the direct view under endoscope operation.Owing to adopted the pneumatic principle that does not use the novelty of draught line, this pneumatic type multipurpose looping and binding device is pricked in the course of action not functional status to scope and is produced and disturb finishing cover.The doctor uses in the airsac tube of ordinary syringe by the connecting duct forward end and injects gas, make it by little and expand rapidly greatly, can strangle to tightly oppressing hoop the dilating effect power of the high resiliency ligation ring generation forward direction on it, promoting ligation ring rolls before by back, ligation ring is broken away from from the ligation tube front end, the elastical retraction cover be tied in by vacuum suction in the ligation tube inner chamber the cirso-root and the basal part of pathology, once overlap the bundle process thereby finish.According to actual needs, again by installing plate new ligation ring is installed again quickly and easily, repeats the aforesaid operations program, can order carry out a series of ligation treatments to other pathology, so its use is very simple and direct and flexible.This kind pneumatic type multipurpose looping and binding device and all kinds of looping and binding devices have in the past relatively possessed following characteristics: (1) novel pneumatic action; (2) install and use simple and convenient; (3) do not take biopsy channel; (4) of many uses.Thereby can realize efficiently, ligation treatment easily and fast.

Characteristics such as compare with the pneumatic type single-shot looping and binding device of Japan, it is simpler that it has structure, and processing and manufacturing is more prone to, and operation is more easily quick.

Description of drawings

Fig. 1 is the structural representation of this utility model embodiment 1.

Fig. 2 is the side-looking structural representation of this utility model embodiment 1.

Fig. 3 and 4 is the user mode sketch map of this utility model embodiment 1.

Fig. 5 is the installment state figure of this utility model embodiment 1.

Among the figure: 1.O shape ligation ring, 2. elastic bag pipe, 3. ligation tube, 4 connecting ducts, 5. injector for medical purpose, 6. installing plate, 7. ligation ring stand tube.

The specific embodiment

Embodiment 1

Referring to Fig. 1～5, the utility model is provided with ligation tube 3, O shape ligation ring 1, elastic bag pipe 2 and connecting duct 4.Ligation ring cover 1 is located at ligation tube 3 front portions, and airsac tube 2 is located at ligation tube 3 outsides after the ligation ring 1, and the front end of airsac tube 2 is open, and airsac tube 2 just often is contraction state, and airsac tube 2 links to each other with a common injector for medical purpose 5 by connecting duct 4.

Ligation tube 3 front and rears are the elasticity connection rubber tube, so that the looping and binding device body can firmly link into an integrated entity with scope 8 fore-ends.

Ligation tube 3 first halfs inboard is rigid ligation tube, and the outside is wrapped up or attached its front end and is open or enclosed elastic airsac tube 2, links to each other with syringe 5 by connecting duct 4.Have a plurality of circular holes corresponding with ligation ring stand tube 7 on the installing plate 6, and high resiliency O shape ligation ring 1 is mounted on ligation ring stand tube 7 outsides after expanding by expander, and the ligation ring stand tube just can be suspended in each installing hole of installing plate.When looping and binding device front end alignment sleeve bundle ring support pipe intermediate vertical was pressed down, ligation ring will be by the passive ligation tube outside and the lock ring side outside cover bundle elastic bag pipe of being slipped on the ligation ring stand tube.Ligation tube is latter half of to be an elasticity connection rubber tube.

Ligation tube first half inside tube and installing plate and ligation ring stand tube are processed by non-toxic rigid plastic, and ligation tube first half outside airsac tube and latter half of tube connector part are by the silicon rubber manufacturing; Connecting duct is processed by flexible plastic; The elastic bag pipe is made by nontoxic transparent rubber or medical macromolecular materials; Ligation ring is made by the high resiliency nontoxic rubber.

Embodiment 2

Similar to Example 1, its difference is that the ligation tube first half is rigid ligation tube, and the attached elastic bag pipe in the outside links to each other with a syringe by Great Wall Software's property on-expansible connecting duct.Ligation tube is latter half of to be an elastic rubber tube.Be placed at the ligation ring stand tube outside after ligation ring is expanded, be placed on then in the corresponding circular hole of installing plate.

The elastic bag pipe is at least 2 equidistant arrangement airsac tubes of stringer, or rolls over line discipline repeatedly for the single N of being font and arrange airsac tube; The airsac tube front end can seal, and also can open.

Each ligation ring is seated on the rigid ligation tube outside that is positioned at the ligation tube first half corresponding many or the single airsac tube successively.Single or the many airsac tubes of front end are connected with the syringe of rear end by single or many connecting ducts.

Claims

1. Pneumatic ligator is characterized in that being provided with ligation tube, ligation ring, airsac tube and connecting duct, and ligation ring is set in the ligation tube front portion, and airsac tube is located at the ligation tube outside after the ligation ring, and airsac tube links to each other with a common injector for medical purpose by connecting duct.

2. pneumatic type looping and binding device as claimed in claim 1 is characterized in that cover bundle pipe front and rear is elasticity and connects sebific duct.

3. Pneumatic ligator as claimed in claim 1 is characterized in that ligation ring is elasticity O shape ligation ring.

4. Pneumatic ligator as claimed in claim 1 is characterized in that the ligation tube first half is rigid ligation tube, and airsac tube links to each other with syringe by soft on-expansible connecting duct, and ligation tube is latter half of to be elastic rubber tube.

5. Pneumatic ligator as claimed in claim 1 is characterized in that airsac tube is at least 2 equidistant arrangement airsac tubes of stringer, or repeatedly rolls over line discipline for the single N of being font and arrange airsac tube; Each ligation ring is seated on the rigid ligation tube outside that is positioned at the ligation tube first half corresponding many or the single airsac tube successively, and the single or many airsac tubes of front end are connected with the syringe of rear end by single or many connecting ducts.