CN211511973U

CN211511973U - Anorectal ligation device

Info

Publication number: CN211511973U
Application number: CN201922366071.4U
Authority: CN
Inventors: 龚烨; 唐波; 印建新
Original assignee: Jiangsu Kangsai Medical Equipment Technology Co ltd
Current assignee: Jiangsu Kangsai Medical Equipment Technology Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-18
Anticipated expiration: 2029-12-25

Abstract

The utility model relates to an anorectal ligation device, which comprises a gun body, a gun handle, a firing assembly and a gun barrel assembly, wherein the gun handle is arranged at the rear end of the gun body, the gun barrel assembly is arranged at the front end of the gun body, the firing assembly is arranged in the gun body, the front end of the gun barrel assembly is provided with a composite ligation ring, and the composite ligation ring comprises an outer rubber ring and an inner elastic coil; an open slot is formed in the outer rubber ring, and the free end of the inner elastic coil penetrates through the open slot to be connected with the gun barrel assembly; the firing assembly comprises a firing handle, a tension spring, a sliding block, a driving gear unit and a driven rack block, wherein the driving gear unit is arranged on the re-sliding block, and the tension spring is arranged between the inner wall of the re-gun body and the sliding block; the firing handle is hinged to the inner wall of the gun body, and the upper end of the firing handle is connected with the sliding block; the driven rack block is installed in the gun body and can move back and forth, a gear rack is arranged on the lower end face of the driven rack block, and the gear rack is connected with the driving gear unit.

Description

Anorectal ligation device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an anorectal ligation device.

Background

The small rubber ring is sleeved on the root of the internal hemorrhoid through the internal hemorrhoid hitching and tying device, the tiny blood vessel is tied by utilizing the strong elasticity and the contraction force of the rubber ring, the blood supply of the internal hemorrhoid is blocked, and the hemorrhoid is cured by ischemia, necrosis and drop. The whole process of the ligation treatment is automatic, time-saving, labor-saving, practical and simple; the patient is safer, and the medicine taking, injection and cross infection are avoided. For example, the "elastic thread setting method and automatic elastic thread ligation device in ligation device" disclosed in chinese patent 201310430853.4 and the "continuously-launched negative pressure suction hemorrhoid ligation device" disclosed in 201620201038.X all provide different technical implementation paths for the above technologies.

The traditional anorectal ligation device has a complex firing structure, such as a ligation device disclosed in the Chinese patent application 88218876.3, a reusable anorectal ligation device for reducing cross infection disclosed in the Chinese patent application 201910114606.0, and the like, and thus the production cost is high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, the anorectal ligation device that provides simplifies the trigger structure of traditional anorectal ligation device, reduction in production cost.

In order to achieve the above purpose, the utility model adopts the technical scheme that: an anorectal ligation device comprises a gun body, a gun handle, a firing assembly and a gun barrel assembly, wherein the gun handle is arranged at the rear end of the gun body, the gun barrel assembly is arranged at the front end of the gun body, the firing assembly is arranged in the gun body, a composite ligation ring is arranged at the front end of the gun barrel assembly, and the composite ligation ring comprises an outer rubber ring and an inner elastic coil; an open slot is formed in the outer rubber ring, and the free end of the inner elastic coil penetrates through the open slot to be connected with the gun barrel assembly; the firing assembly comprises a firing handle, a tension spring, a sliding block, a driving gear unit and a driven rack block, wherein the driving gear unit is arranged on the re-sliding block, and the tension spring is arranged between the inner wall of the re-gun body and the sliding block; the firing handle is hinged to the inner wall of the gun body, and the upper end of the firing handle is connected with the sliding block; the driven rack block is installed in the gun body and can move back and forth, a gear rack is arranged on the lower end face of the driven rack block, and the gear rack is connected with the driving gear unit.

As a further improvement of the utility model, the firing handle comprises a body and a torch body arranged on the body, the upper end surface of the torch body is a plane or a cambered surface, and two sides of the upper end surface are inclined planes; the included angle of the two side surfaces of the torch body in the left and right directions is not less than 30 degrees; the intersection of the left and right side surfaces of the torch body and the inclined surface is an arc transition surface.

As a further improvement, the sliding block is internally provided with a trigger handle groove which is a rectangular groove.

As a further improvement of the present invention, the driving gear unit includes a mounting plate, a driving gear and a ratchet wheel, the mounting plate is fixed on the re-sliding block, and the ratchet wheel is connected between the re-mounting plate and the driving gear; the gear rack is meshed with the driving gear.

As the utility model discloses further modified, driven rack piece both ends are equipped with the slide bar, and this slide bar installation is rifle internal again.

As a further improvement of the utility model, the ratchet comprises an outer sleeve, a helical gear, a mandrel and a one-way stop rod, wherein the helical gear, the mandrel and the one-way stop rod are positioned in the outer sleeve, and the outer sleeve is fixed on the re-mounting plate; one end of the one-way stop rod is hinged to the inner wall of the outer sleeve, and the other end of the one-way stop rod is lapped on the helical gear of the helical gear; the helical gear and the outer sleeve are simultaneously fixed on the re-centering shaft; the outer end of the mandrel is connected with a driving gear.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

simplify the percussion structure of traditional anus intestines ligation device, reduction in production cost.

Drawings

The technical scheme of the utility model is further explained by combining the attached drawings as follows:

FIG. 1 is a schematic diagram of the appearance structure of the present invention;

FIG. 2 is a first structural diagram of a percussion assembly of the present invention;

FIG. 3 is a second schematic structural view of the percussion assembly of the present invention;

FIG. 4 is a schematic structural view of the torch body of the present invention;

fig. 5 is a schematic view of the ratchet structure of the present invention.

In the figure: 1. a gun handle; 2. a firing handle; 2-1, inclined plane; 2-2, arc transition surface; 2-3, a torch body; 3. a gun body; 4. a barrel assembly; 5. a slide bar; 6. a driven rack block; 6-1, gear strips; 7. a ratchet wheel; 7-1, coating; 7-2, a one-way stop lever; 7-3, a bevel gear; 7-4, mandrel; 8. mounting a plate; 9. a drive gear; 10. a tension spring; 11. a slider; 11-1, a firing handle groove; 12. and (4) hinging the shaft.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 5, the anorectal ligation device comprises a gun body 3, a gun handle 1, a firing assembly and a gun barrel assembly 4, wherein the gun handle 1 is installed at the rear end of the gun body 3, the gun barrel assembly 4 is installed at the front end of the gun body 3, the firing assembly is installed in the gun body 3, a composite ligation ring is installed at the front end of the gun barrel assembly 4, and the composite ligation ring comprises an outer rubber ring and an inner elastic coil; an open slot is arranged on the outer rubber ring, and the free end of the inner elastic coil passes through the open slot to be connected with the gun barrel component 4; the specific structure and the using method of the composite ligation ring are disclosed in 'an anorectal ligation device' disclosed in Chinese patent application No. 201611121501.0 and 'an anorectal ligation device' disclosed in Chinese patent application No. 201820441245.1.

The firing assembly comprises a firing handle 2, a tension spring 10, a sliding block 11, a driving gear unit and a driven rack block 6, wherein the driving gear unit is arranged on the re-sliding block 11, and the tension spring 10 is arranged between the inner wall of the re-gun body 3 and the sliding block 11; the firing handle 2 is hinged on the inner wall of the gun body 3 through a hinge shaft 12, and the upper end of the firing handle 2 is connected with the sliding block 11; the driven rack block 6 is arranged in the gun body 3 and can move back and forth, a gear rack 6-1 is arranged on the lower end face of the driven rack block 6, and the gear rack 6-1 is connected with a driving gear 9 of the driving gear unit.

When in firing, the firing handle 2 moves firstly, the sliding block 11 is pushed to move through the firing handle groove 11-1, and the sliding block 11 drives the driving gear unit to move forwards; because the ratchet wheel is installed in the opposite direction, the driving gear 9 cannot rotate at the moment, and the driven gear block 6 can only be driven by the gear bar 6-1 to move forwards, so that the composite ligation ring is triggered, which is specifically referred to as an anorectal ligation device disclosed in Chinese patent application No. 201611121501.0 and an anorectal ligation device disclosed in Chinese patent application No. 201820441245.1.

After the percussion is finished, the hand does not apply percussion force to the percussion handle 2 any more, the sliding block 11 resets under the action of the tension spring 10, and the percussion handle 2 is driven to reset. At this time, the ratchet wheel has no binding force on the driving gear 9, and the driving gear 9 is driven by the sliding block 11 to rotate and return to the initial position. While the rack 6-1 remains stationary. The above process is repeated, and the percussion of all the composite bundling rings can be completed.

In order to realize the purpose, the firing handle 2 comprises a body and a torch body 2-3 arranged on the body, wherein the torch body 2-3 is gradually enlarged from bottom to top, and the maximum size is matched with the size of a firing handle groove 11-1. The upper end face of the torch body 2-3 is a plane or a cambered surface, and two sides of the upper end face are inclined planes 2-1, so that the phenomenon of interference cannot be generated in the motion process.

The included angle of the left and right side surfaces of the torch body 2-3 is not less than 30 degrees, thereby ensuring that the interference phenomenon can not be generated in the motion process.

The intersections of the left and right side surfaces of the torch body 2-3 and the inclined surfaces are arc transition surfaces 2-2, so that the interference phenomenon cannot be generated in the motion process.

A firing handle groove 11-1 is arranged in the sliding block 11, the firing handle groove 11-1 is a rectangular groove, and can convert the arc motion of the firing handle 2 into linear motion without interference.

The driving gear unit comprises a mounting plate 8, a driving gear 9 and a ratchet wheel, wherein the mounting plate 8 is fixed on a re-sliding block 11, and the ratchet wheel is connected between the re-mounting plate 8 and the driving gear 9; the gear rack 6-1 is in meshed connection with a driving gear 9.

Two ends of the driven rack block 6 are provided with a slide bar 5, and the slide bar 5 is arranged in the gun body.

The ratchet comprises an outer sleeve 7-1, a helical gear 7-3 positioned in the outer sleeve 7-1, a mandrel 7-4 and a one-way stop rod 7-2, wherein the outer sleeve 7-1 is fixed on a re-mounting plate 8; one end of the one-way stop rod 7-2 is hinged on the inner wall of the outer sleeve 7-1, and the other end is lapped on the inclined tooth surface of the helical gear 7-3, so that the purpose of one-way stop is achieved; the bevel gear 7-3 and the outer sleeve 7-1 are simultaneously fixed on the re-spindle 7-4; the outer end of the spindle 7-4 is connected to a driving gear 9.

The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims

1. An anorectal ligation device comprises a gun body, a gun handle, a firing assembly and a gun barrel assembly, wherein the gun handle is arranged at the rear end of the gun body, the gun barrel assembly is arranged at the front end of the gun body, the firing assembly is arranged in the gun body, a composite ligation ring is arranged at the front end of the gun barrel assembly, and the composite ligation ring comprises an outer rubber ring and an inner elastic coil; be equipped with the open slot on the outside rubber circle, the free end of inside elasticity coil passes the open slot and is connected with the barrel subassembly, its characterized in that again: the firing assembly comprises a firing handle, a tension spring, a sliding block, a driving gear unit and a driven rack block, wherein the driving gear unit is arranged on the re-sliding block, and the tension spring is arranged between the inner wall of the re-gun body and the sliding block; the firing handle is hinged to the inner wall of the gun body, and the upper end of the firing handle is connected with the sliding block; the driven rack block is installed in the gun body and can move back and forth, a gear rack is arranged on the lower end face of the driven rack block, and the gear rack is connected with the driving gear unit.

2. The anorectal ligation device according to claim 1, further comprising: the percussion handle comprises a body and a torch body arranged on the body, wherein the upper end surface of the torch body is a plane or a cambered surface, and two sides of the upper end surface are inclined planes; the included angle of the two side surfaces of the torch body in the left and right directions is not less than 30 degrees; the intersection of the left and right side surfaces of the torch body and the inclined surface is an arc transition surface.

3. The anorectal ligation device according to claim 1, further comprising: be equipped with the percussion handle groove in the sliding block, this percussion handle groove is the rectangular channel.

4. The anorectal ligation device according to claim 1, further comprising: the driving gear unit comprises a mounting plate, a driving gear and a ratchet wheel, the mounting plate is fixed on the re-sliding block, and the ratchet wheel is connected between the re-mounting plate and the driving gear; the gear rack is meshed with the driving gear.

5. The anorectal ligation device according to claim 1, further comprising: and two ends of the driven rack block are provided with slide bars, and the slide bars are arranged in the gun body.

6. The anorectal ligation device according to claim 4, further comprising: the ratchet comprises an outer sleeve, a helical gear, a mandrel and a one-way stop rod, wherein the helical gear, the mandrel and the one-way stop rod are positioned in the outer sleeve; one end of the one-way stop rod is hinged to the inner wall of the outer sleeve, and the other end of the one-way stop rod is lapped on the helical gear of the helical gear; the helical gear and the outer sleeve are simultaneously fixed on the re-centering shaft; the outer end of the mandrel is connected with a driving gear.