CN215306322U - Ligation cutting mechanism for anorectal ligation device - Google Patents

Abstract

The utility model discloses a ligation cutting mechanism for an anorectal ligation device, which comprises a shell, wherein a first trigger is arranged at the bottom of the shell, the outer side of the first trigger is connected with a second trigger, a loop bar is fixedly arranged on one side of the shell, the other side of the loop bar is connected with a negative pressure cylinder, a connecting ring is fixedly arranged at the bottom end of the negative pressure cylinder, an elastic rope is connected to the inner wall of the connecting ring, a ligation mechanism is arranged on the other side of the elastic rope, and a side plate is arranged inside the ligation mechanism. According to the utility model, under the action of the pricking and breaking mechanism, the gear disc is operated at the top of the shell, under the meshing action of the gear disc and the gear strip, the gear disc drives the gear strip to stretch and retract, and the side plate horizontally moves through the sliding chute and the sliding column through the fixed connection of the connecting block, so that the side plate drives the elastic rope to be tensioned, a doctor can quickly and conveniently prick and cut an affected part, and the use function of the combined pricking and breaking device is combined.

Description

Ligation cutting mechanism for anorectal ligation device

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a ligation cutting mechanism for an anorectal ligation device.

Background

The hemorrhoid treatment mainly comprises drug treatment, instrument treatment and operation treatment, a novel rubber ligation treatment technology is invented in Europe and America at the end of the fifty years, the effect is obvious and the popularization is rapid, the anorectal ligation device is an instrument for treating the hemorrhoid, the hemorrhoid is sucked into a negative pressure suction head of the ligation device by utilizing negative pressure generated by pulling a trigger, and a rubber band is ligated at the root of the hemorrhoid, so that the hemorrhoid is necrotized and dropped due to ischemia.

The existing ligation cutting mechanism for the anorectal ligation device is characterized in that a doctor is required to manually perform ligation cutting through an elastic rope outside, the operation is inconvenient, the working efficiency is low, the anorectal ligation device is not easy to reset or reset accurately, the anorectal ligation device is easy to accidentally injure a patient, the using effect and the working safety of the anorectal ligation device are seriously affected, and the ligation cutting mechanism for the anorectal ligation device is designed.

SUMMERY OF THE UTILITY MODEL

For solving current anorectal ligation utensils ligation shutdown mechanism, externally carry out the ligation through the stretch cord through needing the doctor to be manual and cut off, operate inconveniently to work efficiency is low, and difficult the activity that resets when operating anorectal ligation ware resets is not accurate, causes the accidental injury to the patient easily, has seriously influenced anorectal ligation ware's result of use and work security. The utility model provides a ligation cutting mechanism for an anorectal ligation device, which has the characteristics of strong functionality, convenience in operation and high safety.

In order to achieve the purpose, the utility model provides the following technical scheme: a ligation cutting mechanism for an anorectal ligation device comprises a shell, wherein a first trigger is installed at the bottom of the shell, a second trigger is connected to the outer side of the first trigger, a loop bar is fixedly installed on one side of the shell, a negative pressure cylinder is connected to the other side of the loop bar, a connecting ring is fixedly installed at the bottom end of the negative pressure cylinder, an elastic rope is connected to the inner wall of the connecting ring, a ligation mechanism is installed on the other side of the elastic rope, a side plate is included inside the ligation mechanism, one side of the side plate is fixedly connected with the elastic rope, a sliding groove is formed inside the side plate, a sliding column is slidably installed on the inner wall of the sliding groove and fixedly installed with the shell, a connecting block is connected to the other side of the side plate, a gear strip is fixedly installed on the other side of the connecting block, a gear disc is connected to the top end of the gear strip in a meshing manner, and a movable shaft is installed inside the gear disc, and the loose axle is movable mounting with the casing, the outside fixedly connected with stopper of rack, the safety mechanism is installed in the outside of first trigger.

Preferably, the side plate forms a sliding structure with the shell through the sliding groove and the sliding column, and the side plate and the connecting block are vertically distributed.

Preferably, the gear disc forms a rotating structure through the movable shaft and the shell, and the gear disc forms a transmission structure through the gear strips, the connecting blocks and the side plates.

Preferably, the safety mechanism's inside is including solid fixed ring, and solid fixed ring's inside movable mounting has the coupler body, the bottom fixedly connected with spring of coupler body, and the bottom fixed mounting of spring has the lantern ring, the internal connection of the lantern ring has the axis of rotation.

Preferably, the hook body and the lantern ring form an elastic structure through the spring, and the lantern ring and the shell form a fixing mechanism through the hook body and the shell.

Preferably, the lantern ring forms a rotating structure through the rotating shaft and the first trigger, and the central axis of the lantern ring coincides with the central axis of the rotating shaft.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, under the action of the pricking and breaking mechanism, the gear disc is operated at the top of the shell, under the meshing action of the gear disc and the gear strip, the gear disc drives the gear strip to stretch and retract, and the side plate horizontally moves through the sliding chute and the sliding column through the fixed connection of the connecting block, so that the side plate drives the elastic rope to be tensioned, a doctor can quickly and conveniently prick and cut an affected part, the use function of the combined pricking device is combined, and the use convenience is improved.

2. According to the anorectal ligation device, the gear disc is arranged at the top of the shell, so that a user is prevented from mistakenly touching during operation, the gear disc is effectively prevented from interfering with the first trigger and the second trigger, the use accuracy of the anorectal ligation device is improved, a doctor saves operation space during operation, and the anorectal ligation device is favorably expanded in use range.

3. According to the anorectal ligation device, under the action of the safety mechanism, the lantern ring is connected with the first trigger through the rotating shaft, so that the spring is stressed and stretched when the first trigger rotates, the resistance of the first trigger is increased when a doctor operates the anorectal ligation device, the accuracy of the doctor operation is ensured, meanwhile, when the first trigger is not stressed, the first trigger is reset under the elastic action of the spring, the anorectal ligation device is prevented from causing secondary damage to a user, and the safety of the anorectal ligation device is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of a ligation cutting mechanism for an anorectal ligation device according to the present invention;

FIG. 2 is a schematic structural view of a snapping mechanism of the present invention;

fig. 3 is a schematic structural diagram of the safety mechanism of the present invention.

In the figure: 1. a housing; 2. a first trigger; 3. a second trigger; 4. a loop bar; 5. a negative pressure cylinder; 6. a connecting ring; 7. an elastic cord; 8. a pricking and breaking mechanism; 801. a side plate; 802. a chute; 803. a traveler; 804. connecting blocks; 805. a gear rack; 806. a gear plate; 807. a movable shaft; 808. a limiting block; 9. a safety mechanism; 901. a fixing ring; 902. a hook body; 903. a spring; 904. a collar; 905. and rotating the shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a ligation cutting mechanism for an anorectal ligation device comprises a shell 1, a first trigger 2, a second trigger 3, a loop bar 4, a negative pressure cylinder 5, a connecting ring 6, an elastic rope 7, a ligation mechanism 8, a side plate 801, a sliding chute 802, a sliding column 803, a connecting block 804, a gear bar 805, a gear disc 806, a movable shaft 807, a limiting block 808, a safety mechanism 9, a fixing ring 901, a hook body 902, a spring 903, a lantern ring 904 and a rotating shaft 905, wherein the first trigger 2 is installed at the bottom of the shell 1, the second trigger 3 is connected to the outer side of the first trigger 2, the loop bar 4 is fixedly installed on one side of the shell 1, the negative pressure cylinder 5 is connected to the other side of the loop bar 4, the connecting ring 6 is fixedly installed at the bottom end of the negative pressure cylinder 5, the elastic rope 7 is connected to the inner wall of the connecting ring 6, the ligation mechanism 8 is installed on the other side of the elastic rope 7, the side plate 801 is included in the ligation mechanism 8, and one side of the side plate 801 is fixedly connected to the elastic rope 7, the inside of curb plate 801 has seted up spout 802, and the inner wall slidable mounting of spout 802 has traveller 803, and traveller 803 and casing 1 are fixed mounting, the opposite side of curb plate 801 is connected with connecting block 804, and the opposite side fixed mounting of connecting block 804 has gear strip 805, the top meshing of gear strip 805 is connected with toothed disc 806, and the internally mounted of toothed disc 806 has loose axle 807, and loose axle 807 and casing 1 are movable mounting, the outside fixedly connected with stopper 808 of gear strip 805, safety mechanism 9 is installed to the outside of first trigger 2.

Through adopting above-mentioned technical scheme, gear plate 806 compares first trigger 2 and second trigger 3, makes the doctor practice thrift operating space when the operation, is favorable to expanding the application range of anus intestines ligation device.

Specifically, the side plate 801 forms a sliding structure with the housing 1 through the sliding groove 802 and the sliding column 803, and the side plate 801 and the connecting block 804 are vertically distributed.

Through adopting above-mentioned technical scheme, through the fixed connection of connecting block 804, make curb plate 801 carry out horizontal motion through spout 802, traveller 803 to make curb plate 801 drive stretch cord 7 and take up, make that the doctor can be fast convenient carry out the ligation to the affected part and cut off.

Specifically, a rotating structure is formed between the gear plate 806 and the housing 1 through the movable shaft 807, and a transmission structure is formed between the gear plate 806 and the side plate 801 through the gear bar 805 and the connecting block 804.

Through adopting above-mentioned technical scheme, through setting up toothed disc 806 at the top of casing 1, then the user has avoided the mistake to touch when the operation, has effectually prevented simultaneously toothed disc 806 and first trigger 2, second trigger 3 from producing the interference, has improved the use accuracy nature of anus intestines ligation device.

Specifically, the safety mechanism 9 includes a fixing ring 901, a hook 902 is movably mounted in the fixing ring 901, a spring 903 is fixedly connected to the bottom end of the hook 902, a collar 904 is fixedly mounted at the bottom of the spring 903, and a rotating shaft 905 is connected to the collar 904.

By adopting the technical scheme, the hook body 902 can enable the lantern ring 904 to be connected with the fixing ring 901 quickly and conveniently, and the fixing device is simple to operate and convenient in structure.

Specifically, the hook 902 and the collar 904 form an elastic structure through the spring 903, and the collar 904 and the hook 902 and the housing 1 form a fixing mechanism.

Through adopting above-mentioned technical scheme, under the elastic action of spring 903, make first trigger 2 reset, avoided the anorectal ligation device to cause the secondary injury to the user.

Specifically, the collar 904 forms a rotating structure with the first trigger 2 through the rotating shaft 905, and a central axis of the collar 904 coincides with a central axis of the rotating shaft 905.

Through adopting above-mentioned technical scheme, be connected the lantern ring 904 with first trigger 2 through axis of rotation 905, make first trigger 2 when rotating, the spring 903 atress is tensile to make the doctor increase first trigger 2's resistance when the operation, ensure the precision of doctor's operation.

The working principle and the using process of the utility model are as follows: when in use, the gear disc 806 is operated at the top of the shell 1, under the meshing action of the gear disc 806 and the gear bar 805, the gear disc 806 drives the gear bar 805 to move telescopically, the side plate 801 horizontally moves through the chute 802 and the sliding column 803 through the fixed connection of the connecting block 804, so that the side plate 801 drives the elastic rope 7 to be tensioned, a doctor can fast and conveniently perform ligation and cutting on an affected part, the using function of the complex ligation device is improved, the use convenience is improved, the lantern ring 904 is connected with the first trigger 2 through the rotating shaft 905, when the first trigger 2 rotates, the spring 903 is stressed and stretched, so that the resistance of the first trigger 2 is increased when the doctor operates, the precision of the doctor operation is ensured, meanwhile, when the first trigger 2 is not stressed, under the elastic action of the spring 903, the first trigger 2 is reset, and the secondary injury of the anorectal ligation device to the user is avoided, the working principle of the device is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an anus intestines ligation utensils ligation shutdown mechanism, includes casing (1), its characterized in that: the bottom of the shell (1) is provided with the first trigger (2), the outer side of the first trigger (2) is connected with the second trigger (3), one side of the shell (1) is fixedly provided with a loop bar (4), the other side of the loop bar (4) is connected with a negative pressure cylinder (5), the bottom of the negative pressure cylinder (5) is fixedly provided with a connecting ring (6), the inner wall of the connecting ring (6) is connected with an elastic rope (7), the other side of the elastic rope (7) is provided with a breaking mechanism (8), the inside of the breaking mechanism (8) comprises a side plate (801), one side of the side plate (801) is fixedly connected with the elastic rope (7), the inside of the side plate (801) is provided with a sliding groove (802), the inner wall of the sliding groove (802) is slidably provided with a sliding column (803), the sliding column (803) is fixedly installed with the shell (1), the other side of the side plate (801) is connected with a connecting block (804), and the opposite side fixed mounting of connecting block (804) has rack (805), the top meshing of rack (805) is connected with toothed disc (806), and the internally mounted of toothed disc (806) has loose axle (807) to loose axle (807) and casing (1) are movable mounting, the outside fixedly connected with stopper (808) of rack (805), insurance mechanism (9) are installed in the outside of first trigger (2).

2. The ligation cutting mechanism for the anorectal ligation device according to claim 1, wherein the ligation cutting mechanism comprises: the side plate (801) forms a sliding structure with the shell (1) through the sliding groove (802) and the sliding column (803), and the side plate (801) and the connecting block (804) are vertically distributed.

3. The ligation cutting mechanism for the anorectal ligation device according to claim 1, wherein the ligation cutting mechanism comprises: the gear disc (806) forms a rotating structure with the shell (1) through the movable shaft (807), and the gear disc (806) forms a transmission structure with the side plate (801) through the gear rack (805), the connecting block (804).

4. The ligation cutting mechanism for the anorectal ligation device according to claim 1, wherein the ligation cutting mechanism comprises: the safety mechanism (9) is characterized in that the safety mechanism (9) comprises a fixing ring (901), a hook body (902) is movably mounted in the fixing ring (901), a spring (903) is fixedly connected to the bottom end of the hook body (902), a sleeve ring (904) is fixedly mounted at the bottom of the spring (903), and a rotating shaft (905) is connected to the sleeve ring (904).

5. The ligation cutting mechanism for the anorectal ligation device according to claim 4, wherein the ligation cutting mechanism comprises: the hook body (902) and the lantern ring (904) form an elastic structure through the spring (903), and the lantern ring (904) and the shell (1) form a fixing mechanism through the hook body (902).

6. The ligation cutting mechanism for the anorectal ligation device according to claim 4, wherein the ligation cutting mechanism comprises: the lantern ring (904) forms a rotating structure through the rotating shaft (905) and the first trigger (2), and the central axis of the lantern ring (904) is coincident with the central axis of the rotating shaft (905).

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