CN210843328U

CN210843328U - Ligation device for anorectal department

Info

Publication number: CN210843328U
Application number: CN201920915788.7U
Authority: CN
Inventors: 王业富; 张磊; 沈乔; 皮云; 吴欢; 张媛
Original assignee: Wuhan Refine Medical Devices Co ltd
Current assignee: Wuhan Refine Medical Devices Co ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-06-26
Anticipated expiration: 2029-06-18

Abstract

The utility model discloses a ligation device for anorectal department, which comprises a handle, an outer tube, an inner tube, a suction tube, a rubber tube and a negative pressure tube; the suction tube is embedded in the rubber tube; one end of the inner tube is communicated with the suction tube, and the other end of the inner tube is communicated with the negative pressure tube; the outer pipe is connected with a return spring and a rack which is matched with a trigger hinged on the handle; the tail end of the suction tube extends out of the rubber tube, and a first rubber ring is sleeved at the extended tail end; a second rubber ring arranged in parallel with the first rubber ring is also sleeved on the suction tube; the tail end of the rubber pipe is provided with an inwards concave circular table, and the second rubber ring is positioned in the inwards concave circular table; a water-blocking filter is arranged on the negative pressure pipe. The water blocking filter is arranged on the negative pressure pipe, so that blood can be effectively filtered, the blood is prevented from entering the negative pressure air exhaust device, and the negative pressure air exhaust device cannot be polluted and blocked; in addition, due to the design of the first rubber ring, the second rubber ring and the concave circular truncated cone, the device can sequentially push out the two rubber rings, so that hemorrhoids are sleeved and tied more, and the operation efficiency is improved.

Description

Ligation device for anorectal department

Technical Field

The utility model relates to the technical field of surgical instruments, in particular to a ligation device for anorectal department.

Background

Hemorrhoids (Hemorrhoids), alternatively called Hemorrhoids, are the most common anorectal diseases in clinical practice, and can be classified into internal Hemorrhoids, external Hemorrhoids and mixed Hemorrhoids. The ligation is one of the commonly used methods for treating hemorrhoids, and the principle of its exfoliation is to tie the base of the hemorrhoid to block the blood circulation of the hemorrhoid tissue, so that it is ischemic and atrophied.

The existing instruments for ligation of hemorrhoids mainly adopt two modes of negative pressure suction and traction. The traction generally adopts a metal rope or a method of a loop ligature rope, the metal rope or the method of the loop ligature rope is easy to sterilize and untight, cross infection can be caused, although a loop ligature device which uses a ratchet wheel to rotate a traction silk thread to drive an elastic ring to loop ligature is available in the market, the problems of complex operation and complex device exist. The mode of adopting negative pressure suction is an excellent method for treating hemorrhoids at present, but in the operation process, the negative pressure suction can suck out bloody water or polyps and the like, so that the negative pressure tube is blocked or the bloody water enters a negative pressure air suction device, and the operation progress is influenced. In addition, the existing negative pressure ligation device can only send out one rubber ring at a time, and the operation efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the problems that the negative pressure air extractor of the prior ligation device is easy to block or has blood entering and only one rubber ring can be sent out at a time, thus resulting in low operation efficiency, and provides a ligation device for anorectal department, which comprises a handle, an outer tube, an inner tube, a suction tube, a rubber tube and a negative pressure tube;

the inner tube is embedded in the outer tube, and the suction tube is embedded in the rubber tube; one end of the inner tube is communicated with the suction tube, and the other end of the inner tube is communicated with the negative pressure tube; the inner pipe and the outer pipe are partially positioned in the handle, the outer pipe positioned in the handle is connected with a return spring and a rack, and the rack is matched with a trigger hinged on the handle; the tail end of the suction tube extends out of the rubber tube, and a first rubber ring is sleeved at the extending tail end; the suction tube is also sleeved with a second rubber ring which is arranged in parallel with the first rubber ring; the tail end of the rubber pipe is provided with an inwards concave round table, and the second rubber ring is positioned in the inwards concave round table; and a water blocking filter is arranged on the negative pressure pipe.

Furthermore, an opening is arranged on the handle corresponding to the water-blocking filter, and a cover body matched with the opening is arranged at the opening.

Further, the inner diameters of the suction tube, the inner tube and the negative pressure tube are gradually reduced.

Further, the negative pressure switch is arranged on the handle and communicated with the negative pressure pipe.

The utility model has the advantages that: the water blocking filter is arranged on the negative pressure pipe, so that blood can be effectively filtered, the blood is prevented from entering the negative pressure air exhaust device, and the negative pressure air exhaust device cannot be polluted and blocked; in addition, due to the design of the first rubber ring, the second rubber ring and the concave circular truncated cone, the device can sequentially push out the two rubber rings, so that hemorrhoids are sleeved and tied more, and the operation efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of the ligation device for anorectal department of the present invention.

Fig. 2 is a schematic structural view of the handle of fig. 1.

Fig. 3 is a schematic structural view of the water blocking filter of fig. 2 after being taken out.

Fig. 4 is a schematic sectional view of the suction tube and the rubber tube in fig. 1.

In the drawings, 1, a handle; 2. an outer tube; 3. an inner tube; 4. a suction tube; 5. a rubber tube; 6. a negative pressure tube; 7. a return spring; 8. a rack; 9. a trigger; 10. a first rubber ring; 11. a second rubber ring; 12. an opening; 13. a cover body; 14. a negative pressure switch; 15. a water-blocking filter.

Detailed Description

The invention is described in further detail below with reference to the figures and the specific embodiments.

The ligation device for anorectal department shown in fig. 1-4 comprises a handle 1, an outer tube 2, an inner tube 3, a suction tube 4, a rubber tube 5 and a negative pressure tube 6;

the inner tube 3 is embedded in the outer tube 2, and the suction tube 4 is embedded in the rubber tube 5; one end of the inner tube 3 is communicated with the suction tube 4, and the other end is communicated with the negative pressure tube 6; the inner pipe 3 and the outer pipe 2 are partially positioned in the handle 1, the outer pipe 2 positioned in the handle 1 is connected with a return spring 7 and a rack 8, and the rack 8 is matched with a trigger 9 hinged on the handle 1; the tail end of the suction tube 4 extends out of the rubber tube 5, and a first rubber ring 10 is sleeved at the extended tail end; the suction tube 4 is also sleeved with a second rubber ring 11 which is arranged in parallel with the first rubber ring 10; the tail end of the rubber tube 5 is provided with an inwards concave circular table, and the second rubber ring 11 is positioned in the inwards concave circular table; the negative pressure tube 6 is provided with the water-blocking filter 15, and under the filtering action of the water-blocking filter 15, blood or foreign matters cannot enter the negative pressure air extraction device connected with the other end of the negative pressure tube 6, so that the normal operation of the instrument is ensured; an opening 12 is arranged on the handle 1 corresponding to the position of the water-blocking filter 15, and a cover body 13 matched with the opening 12 is arranged on the opening. The cover body 13 is opened, the water-blocking filter 15 can be taken out from the handle 1 through the opening 12, so as to replace the water-blocking filter 15, it should be noted that the main body part of the ligation device is reusable, and the parts which are replaced at one time are the rubber tube 5 and the suction tube 4; the rest part can be used continuously after cleaning and sterilizing. In order to ensure the negative pressure suction effect, the inner diameters of the suction tube 4, the inner tube 3, and the negative pressure tube 6 are gradually reduced. For example, the inner diameter of the suction tube 4 is 8 mm; the inner diameter of the inner tube 3 is 6mm, and the inner diameter of the negative pressure tube 6 is 5 mm. Ensuring that the suction tube 4 has at least one bottleneck portion with a reduced inner diameter. In addition, the device also comprises a negative pressure switch 14 which is arranged on the handle 1 and is communicated with the negative pressure pipe 6, and the suction and the release of the hemorrhoids are controlled by the negative pressure switch 14.

When the hemorrhoid treatment device is used, the suction tube 4 is aligned to hemorrhoid tissues, the negative pressure air exhaust device is started, the hemorrhoid tissues are sucked into the suction tube 4, the trigger 9 is pulled, the trigger 9 drives the outer tube 2 matched with the suction tube through the rack 8 to move forwards, the outer tube 2 moves forwards to drive the rubber tube 5 to move forwards, the rubber tube 5 moves forwards to eject the first rubber ring 10 sleeved at the tail end of the suction tube 4, the first rubber ring 10 is retracted on the hemorrhoid tissues after being separated from the suction tube 4, and therefore the bottom of the hemorrhoid base is tied, blood circulation of the hemorrhoid tissues is blocked, and ischemia atrophy and falling of the hemorrhoid tissues are achieved. Since a plurality of hemorrhoids of a patient are usually provided, the negative pressure is closed through the negative pressure switch 14, the device is retracted, the trigger 9 is released, the outer tube 2 is moved backwards and restored under the action of the restoring spring 7, the device is aligned with another hemorrhoid tissue, the suction tube 4 is aligned with the hemorrhoid tissue, the negative pressure switch 14 is opened, the trigger 9 is pulled, the outer tube 2 is moved forwards to drive the second rubber ring 11 to move forwards, and another hemorrhoid tissue is tied. Compared with the existing ligation device, the novel rubber ring can be applied after two times of ligation, and the operation efficiency is doubled.

Claims

1. The utility model provides a perianal branch of academic or vocational study is with ligation device which characterized in that: comprises a handle (1), an outer tube (2), an inner tube (3), a suction tube (4), a rubber tube (5) and a negative pressure tube (6);

the inner tube (3) is embedded in the outer tube (2), and the suction tube (4) is embedded in the rubber tube (5); one end of the inner tube (3) is communicated with the suction tube (4), and the other end is communicated with the negative pressure tube (6); the inner pipe (3) and the outer pipe (2) are partially positioned in the handle (1), the outer pipe (2) positioned in the handle (1) is connected with a return spring and a rack (8), and the rack (8) is matched with a trigger (9) hinged on the handle (1); the tail end of the suction tube (4) extends out of the rubber tube (5), and a first rubber ring (10) is sleeved at the extended tail end; the suction tube (4) is also sleeved with a second rubber ring (11) which is arranged in parallel with the first rubber ring (10); the tail end of the rubber pipe (5) is provided with an inwards concave circular table, and the second rubber ring (11) is positioned in the inwards concave circular table; and a water blocking filter (15) is arranged on the negative pressure pipe (6).

2. The ligation device for anorectal department according to claim 1, wherein: an opening (12) is arranged on the handle (1) corresponding to the water-blocking filter (15), and a cover body (13) matched with the opening (12) is arranged at the opening.

3. The ligation device for anorectal department according to claim 1, wherein: the inner diameters of the suction tube (4), the inner tube (3) and the negative pressure tube (6) are gradually reduced.

4. The ligation device for anorectal department according to claim 1, wherein: the device also comprises a negative pressure switch (14) which is arranged on the handle (1) and is communicated with the negative pressure pipe (6).