WO2006136053A1

WO2006136053A1 - An automatic hemorrhoid ligator

Info

Publication number: WO2006136053A1
Application number: PCT/CN2005/000892
Authority: WO
Inventors: Ruiyun Xu
Original assignee: Guangzhou Huodi Medical Appliances Co., Ltd.
Priority date: 2005-06-21
Filing date: 2005-06-21
Publication date: 2006-12-28

Abstract

An automatic hemorrhoid ligator includes a body, a tube disposed in front of the body, and one or more rubber rings disposed about the tube. It is characterized in that the body is provided with a negative pressure sucking connector communicating with the lumen of the body and a vent hole, and that the body is also provided with a tractor for the rubber ring(s).

Description

Automatic hemorrhoids ligation device

Technical field

The present invention relates to a medical device, and in particular to a device for treating acne. Background technique

Acne ligation is a common method for treating acne, and it has a good effect on general acne. However, the current clinical implementation of acne ligation is usually performed by hand or by simple means under local anesthesia (or other anesthesia). It is not only time-consuming, laborious, difficult to reveal, but also prone to bleeding and pain. In the case of emergency surgery for hemorrhagic hemorrhage, it sometimes needs to be done under lumbar anesthesia or under general anesthesia, which significantly increases the degree of trauma. So people think of a variety of ways to improve, such as the application number 01106546, the application date is March 12, 2001, the invention name is the patent for the acne treatment instrument, the acne treatment device includes a DC current controller, a processor and a treatment electrode or The probe is composed of a single-chip microcomputer; there are three kinds of electrodes, one is a clamp-type clamping electrode for treating external hemorrhoids; the other is a round rod electrode for treating anal fissure lesion, the treatment end is triangular; the other is treatment The probe electrode for the fistula lesion is round and silvery at both ends. Some people also think of the use of ligation, hemorrhoids ligation is inferred on the hemorrhoids ligation. Further, as disclosed in the patent No. 86203090, filed on July 28, 1986, the patent name of the intrinsic ligature, it is made of a plastic casing, an inner casing, an inner casing, a jacket, and a jacket. The ligation device consisting of a tube is characterized in that a plastic mechanical negative pressure pump consisting of a cylinder, a piston and a connecting rod is fixed at the rear end of the plastic outer casing, the inner sleeve is connected with the inner cavity of the cylinder, and the connecting rod is hinged with the operating trigger. There is a swing rod in front of the hinge point of the trigger, and the piston and the outer sleeve are reset by a large spring and a small spring. Although the above structure is convenient to use, the structure and operation are complicated, so it is difficult to promote the application. Summary of the invention

In view of the shortcomings of the prior art, the object of the present invention is to provide an automatic, convenient, time-saving and labor-saving method without losing the excellent curative effect, without the need for anesthesia, and requiring hospitalization, which can significantly shorten the period of surgical recovery. Hemorrhoids ligation device. Confirmation In order to achieve the above object, the present invention adopts the following technical solutions: An automatic 痔疳 ligature, which comprises a main body, the front part of the main body is a pipe body, and the pipe body is covered with one or more rubber rubber rings, and the main body is provided There is a vacuum suction joint and a vent hole which communicate with the inner cavity of the main body, and a rubber banded traction device is also arranged on the main body.

The rubber rubber ring traction device comprises two traction wires and a winding device symmetrically distributed, and the traction wires respectively abut the outer wall of the pipe body and are connected to the winding device located in the main body around the pipe mouth. The traction wires on both sides of the outer wall of the tube are provided with a wire knot, and the rubber band is sleeved on the traction wire and located before the corresponding wire knot.

The winding device is composed of a traction wire diverting pulley disposed in the inner cavity and a unidirectional rotating winding ratchet disposed on the main body, and the inner wall traction wire is fixed to the one-way rotating winding through the diverting pulley On the ratchet.

The invention adopting the above structure replaces the conventional vascular forceps or other clipping device jaws with a vacuum suction, and the traction device pulls the rubber band ligation instead of the conventional manual wire ligation, thereby making the operation more convenient and tubular.

The invention further includes the following structure:

The outer wall of the pipe body is provided with a drag reducing groove. The drag reducing groove reduces the friction between the rubber rubber ring and the pipe body, and the rubber rubber ring is more easily pulled out.

The steering slide has two wire slots, and the two traction wires are respectively placed in two wire grooves. The two traction wires are placed in the two wire slots respectively to maintain balance during pulling, so that the knots on both sides of the outer wall of the pipe body move forward at the same time to pull the rubber rubber ring.

A sealing rubber pad for sealing the inner cavity of the main body is further disposed between the traction wire diverting pulley and the unidirectional rotating winding ratchet, and the pulling wire passes through the sealing rubber pad and then rotates with one-way rotation. Ratchet connection. The sealing rubber pad is provided to maintain the airtightness of the inner cavity and enhance the negative pressure effect.

The automatic hemorrhoids ligature is a gun type, and is composed of a barrel, a gun body and a handle. The vacuum suction joint is disposed at the bottom of the handle, and the vent hole is disposed at the side of the gun body, and is in communication. A switch is provided on the air hole. The front side of the handle is provided with a plurality of concave curved surfaces conforming to the fingers, and a plurality of laterally arranged small grooves are also arranged on each concave curved surface. a plurality of rounded protrusions are distributed on the left and right sides of the handle Start. The rear side of the handle is a convex curved surface, and a plurality of lateral grooves are distributed from the top to the bottom on the convex curved surface. The automatic hemorrhoids ligation device is a gun type, easy to hold; the vent hole is arranged on the side of the gun body, and the thumb is easier to toggle the switch; the curved surface, the groove on the side of the handle and the smooth protruding point design make the grip more comfortable and secure.

The rubber rubber rafts are five, wherein a rubber rubber ring farthest from the nozzle is tied and tied by the traction wires on both sides of the outer wall of the pipe, so that the traction wire can be fixed on the outer wall by the rubber band and is not easy to slide up and down. .

The elongated tubular body of the present invention is 10-15 cm long (or even longer), so that the orifice can easily reach any part of the anal canal and the rectum, which is time-saving and labor-saving compared with conventional manual operation.

Since all of the technology is automated, the operation can be successfully performed in a narrow field of view of the common anoscope, thereby overcoming the disadvantages of the previous operation due to insufficient exposure of the field. Even in the case of hemorrhoids, the operation can be completed very smoothly.

Since the technique does not require a large field exposure, it is not necessary to use anesthesia or other means of relaxing the anal sphincter, so that the degree of trauma is greatly reduced.

Because the operation is simple, convenient, fast, requires no anesthesia, and does not require a large field to be exposed, the operation can be completed at the clinic, which can save patients money.

The invention has wide application range, and in addition to hemorrhoids, the slender barrel of the instrument can also be used for ligation of high rectal polyps, rectal hemangioma (vascular malformation) or other rectal lesions; can be used for internal hemorrhoids, mixed hemorrhoids, hemorrhoids The treatment of bleeding, rectal polyps, etc. is an ideal instrument for the treatment of anorectal diseases. DRAWINGS

The following is further described in conjunction with the accompanying drawings and embodiments.

Figure 1 is a schematic view of the structure of the present invention.

Figure 2 is a structural view of the barrel of the present invention. detailed description

Referring to FIG. 1 and FIG. 2, the automatic hemorrhoids ligator of the present embodiment adopts a gun-type structure, and the main body thereof comprises a tube barrel 6, a gun body 2 and a handle 13 which are smooth at the front and have a smooth outer wall. There are 5 rubber rubber rings 10 on the barrel 6 and a vacuum suction joint 12 at the bottom of the handle 13 and the front side of the handle 13 A plurality of concave curved surfaces conforming to the fingers are provided, and a plurality of laterally arranged small grooves 15 are further disposed on each concave curved surface, and a plurality of rounded protrusions 16 are disposed on the left and right sides of the handle 13 , and the handle 13 is The rear side surface is a convex arc surface, and a plurality of lateral grooves 17 are distributed from the top to the bottom on the convex arc surface, and a vent hole switch 1 is provided on the side of the gun body. The rubber tube 6 and the gun body 2 are further provided with a rubber plastic picking device. The rubber rubber ring pulling device is provided with a pulling line 7 at the inner and outer walls of the opposite side of the barrel 6, and a wire knot is arranged at the opposite side of the pulling line on both sides of the outer wall. The knot 8 is formed by the pulling line on both sides of the outer wall of the barrel 6; the traction lines on both sides of the outer tube of the barrel are respectively fixed on the outer sides of the barrel 6 by the rubber rubber rings 10, and the rear of the first four rubber bands There is a pair of knots 8, wherein the fifth rubber rubber ring farthest from the nozzle is tied and bound by the traction lines on both sides of the outer wall of the tube. The outer wall of the nozzle 11 of the barrel 6 is further provided with a drag reducing groove 14, and the reducing groove 14 can adopt a narrow groove distributed in the axial direction, and the end of the inner wall pulling wire is connected with a winding device, and the winding device is provided at The diverting pulley 3 in the inner cavity of the gun body 2 and the one-way rotating winding ratchet 5 disposed in the lower part of the gun body 2, the diverting pulley 3 is provided with two trunking grooves, and the two traction wires are respectively placed in the two trunking grooves. The one-way rotating winding ratchet 5 is provided with a spacing winding groove in the middle, and the inner wall pulling wire is fixed on the winding groove of the ratchet wheel 5 through the two wire grooves of the diverting pulley 3, and the inner and outer pulling wires can be pulled when the ratchet wheel 5 rotates. When the outer traction line moves forward under the traction force, the knot 8 pulls the rubber band 10 forward until it falls off from the nozzle. When it is pulled off from the nozzle under the traction of the traction line, the crucible will be negatively charged. The acne tissue at the mouth of the tube is firmly tied. According to this principle, each pair of knots can pull a rubber band.

The vacuum suction joint 12 of the present invention is connected to an external negative pressure suction system. When the nozzle is aimed at the acne and its related diseased tissue, when the vacuum suction is opened, the entire handle 13, the gun body 2 and the lumen of the barrel 6 are negatively pressurized, and they can be sucked into the barrel 6. The function of the vent is to close it during surgery and maintain the negative pressure inside the gun; open it after the end of the operation to eliminate the negative pressure and release the ligation tissue.

As another embodiment of the present invention, the above-mentioned winding device can also adopt other structural methods, such as using a reel connected to the motor shaft, and the motor control switch is arranged on the gun body, and the rubber rubber ring is controlled by controlling the power of the motor. Front sliding ligation action; can also adopt the reel structure with elastic torsion spring control (similar to the internal structure of steel ring ruler), the rotary handle and positioning button are arranged on the reel, and the elastic torsion spring is first rotated when used. In the torque state, the reel is in a self-rotating state, and is fixed by the positioning button. When the positioning button is released, the reel can be rotated, thereby driving the traction line to be recovered. In the embodiment of Fig. 1, the winding device can also be realized by the structure of the trigger. One end of the traction wire is fixed on the reel, and a connecting rod is hinged on the reel, and the connecting rod is hinged to the end of the trigger through the lever. The middle is set at the fulcrum, and there is a return spring between the trigger and the gun body. When the trigger is pulled, the linear motion of the trigger can be converted into the rotary motion of the reel, so that the traction wire is wound around the reel, and the pulling traction wire is driven to drive the rubber ring. The purpose of the front slip.

The automatic acne ligation device body of the present invention may also adopt other shapes; the rubber squeegee traction device may also have a pusher sleeve at the rear of the rubber rubber ring, and the pusher sleeve is advanced by the push rod; All fall within the scope of protection of the present invention.

The working principle and operation steps of the present invention are as follows:

During surgery, first connect the vacuum suction connector 12 to the external vacuum suction system and close the vent switch.

1. The right hand grips the handle 13 and aligns the orifice of the automatic hemorrhoids ligator with the acne and its associated diseased tissue. The vacuum suction system is opened, and the acne and its associated disease tissue can be sucked into the barrel 6 at this time. The index finger of the right hand rotates the tangled ratchet 5 in a counterclockwise direction, thereby pulling the inner traction line and the pulley 3 and transmitting the traction force to the outer lead. Under the traction force, the outer traction line and its knot 8 move forward, and the rubber band 10 is moved forward until the rubber band 10 falls off at the nozzle to firmly bind the acne tissue. Open the vent switch 1 to eliminate the negative pressure, thereby releasing the banded acne tissue. Following this step, the ligation of the next sputum tissue can continue. In this embodiment, a total of 4 times of ligation can be performed.

The invention can be adapted to the treatment of internal hemorrhoids, mixed hemorrhoids, hemorrhoids hemorrhage, rectal polyps and the like.

Claims

Rights request

An automatic hemorrhoids ligation device, comprising a main body, the front part of the main body is a tube body, and the tube body is sleeved with one or more rubber rubber rings, wherein the main body is provided with the inner cavity of the main body. The vacuum suction joint and the vent hole, and the rubber raft traction device is also provided on the main body.

2. The automatic hemorrhoids ligation device according to claim 1, wherein the rubber bandage traction device comprises two symmetrically distributed traction lines and winding devices, wherein the traction wires are respectively attached to the device. The outer wall of the pipe body is connected to the winding device located in the main body around the pipe mouth, and the wire on both sides of the outer wall of the pipe is provided with a wire knot, and the rubber rubber ring is sleeved on the traction wire and located at the corresponding wire knot. prior to.

3. The automatic acne arranging device according to claim 2, wherein the winding device comprises a traction wire diverting pulley provided in the inner cavity and a unidirectional rotating winding ratchet disposed on the main body, the inner wall The traction wire is fixed to the one-way rotating winding ratchet via the diverting pulley.

The automatic acne ligature according to claim 1 or 2 or 3, wherein the outer wall of the tubular body is provided with a drag reducing groove.

5. The automatic acne ligature according to claim 3, wherein the diverting pulley is provided with two wire grooves, and the two traction wires are respectively placed in two wire grooves.

6. The automatic acne lance according to claim 3, wherein a sealing pad for sealing the inner cavity of the main body is further disposed between the traction line diverting pulley and the unidirectional rotating winding ratchet. The pull wire passes through the sealing pad and is coupled to the unidirectional rotating wire ratchet.

7. The automatic hemorrhoids ligation device according to claim 1, wherein the automatic hemorrhoids ligation device is a gun type, and is composed of a barrel, a gun body and a handle, and the vacuum suction joint is provided. At the bottom of the handle, the vent is provided on the side of the gun body.

The automatic acne lance according to claim 7, wherein the front side of the handle is provided with a plurality of concave curved surfaces conforming to the fingers, and a plurality of lateral surfaces are also arranged on each concave curved surface. The small grooves are arranged; the left and right sides of the handle are distributed with a plurality of rounded protrusions; the rear side of the handle is a convex curved surface, and a plurality of transverse grooves are distributed from the top to the bottom on the convex curved surface.

9. The automatic acne ligature according to claim 2, wherein said rubber lap There are five, in which one rubber band which is farthest from the nozzle is bound by the traction line on both sides of the outer wall of the tube.

The automatic acne lance according to claim 7, wherein the vent hole is provided with a switch.