CN210447117U - Double-ring ligation device - Google Patents

Abstract

The utility model discloses a dicyclo ligation device relates to medical device technical field, has solved ESD although effective, but the step is loaded down with trivial details, operating time is longer, the technical difficulty is great, the difficult problem of developing in basic hospital. Locate the outer transparent cap of gastroscope head end including control pedestal and cover, transparent cap outer end cover is equipped with a plurality of rubber bands, the control pedestal in-connection has the control shaft, and it has the line of excitation to coil on the control shaft, and the rubber band breaks away from outside transparent cap in proper order when the line is excited in the pulling, be equipped with the meshing piece around control shaft evenly distributed on the medial surface of control pedestal one side, the control shaft external fixation has the control wheel, the control wheel is close to meshing piece one side shape and meshing piece phase-match, be equipped with a plurality of elastic components that are used for the drive control shaft toward the control wheel towards meshing piece direction and slide in the control pedestal. The method has the advantages of effectiveness, safety, simple operation steps, obviously shortened operation time compared with the ESD technology, difficult displacement and contribution to popularization and application in primary hospitals.

Description

Double-ring ligation device

Technical Field

The utility model relates to the technical field of medical devices, in particular to double-ring ligation device.

Background

At present, along with the popularization of endoscopic examination, the discovery rate of the pathological changes under the mucosa of the digestive tract is increased year by year. Because the most of the gastrointestinal submucosal lesions originate from the submucosa and the intrinsic muscle layer of the gastrointestinal tube wall, the endoscopic excavation treatment is mostly carried out by adopting an ESD (electro-static discharge) mode, and although the treatment mode is effective, the steps are complicated, the operation time is longer, the technical difficulty is higher, and the development in primary hospitals is difficult.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dicyclo ligation device, its treatment step that can simplify less pathological change (interior warp <2 cm) under the alimentary canal mucosa, the negative pressure that produces through local attraction ligatures the basal part of pathological change, the rethread snare ware carries out the snare in rubber band below, the electricity congeals, the electricity is cut, effectively excise pathological change under the mucosa, press from both sides or harmonious clamp closure surface of a wound through titanium at last, and is effective, safety, operation steps are simple, operation time is obviously shortened than the ESD technique, be difficult for shifting, be favorable to popularizing and applying in basic unit's hospital.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a dicyclo ligation device, includes that control seat and cover locate the outer transparent cap of gastroscope head end, transparent cap outer end cover is equipped with a plurality of rubber bands, the control seat in-connection has the control shaft, and it has the free end to be connected to the excitation line in the transparent cap to coil on the control shaft, and the rubber band breaks away from outside transparent cap in proper order when the line is aroused in the pulling, be equipped with the meshing piece around control shaft evenly distributed on the medial surface of control seat one side, the control shaft external fixation has the control wheel, the control wheel is close to meshing piece one side shape and meshing piece phase-match, be equipped with a plurality of elastic component that are used for the drive control shaft to slide toward the control wheel towards meshing piece direction in the control.

Furthermore, a ratchet wheel which is coaxial with the control shaft and a pawl which controls the ratchet wheel to rotate in one direction towards the winding excitation line are connected in the control seat, the outer peripheral surface of the control wheel is uniformly provided with teeth, and the inner peripheral surface of the ratchet wheel is meshed with the outer peripheral teeth of the control wheel.

Furthermore, a partition board perpendicular to the control shaft is fixed in the control seat, the elastic element comprises a compression spring sleeved outside the control shaft, and two ends of the compression spring are respectively abutted against the side faces of the partition board and the control wheel.

Furthermore, the control shaft comprises a winding drum used for winding the excitation line, the winding drum is positioned on one side, away from the compression spring, of the partition plate, the inner periphery of the winding drum is a regular polygon concentric with the control shaft, and a regular polygon section matched with the inner periphery of the winding drum is arranged on the control shaft.

Furthermore, the excitation wire comprises a plurality of control wires detachably connected to the outer end of the excitation wire, the control wires extend out of the transparent cap and penetrate between the transparent cap and the rubber ring, and a plurality of control beads which are abutted to the side face of one side, close to the gastroscope, of each rubber ring are fixed on the control wires.

Furthermore, two S-shaped connecting blocks are connected between the control line and the excitation line, the openings of the two connecting blocks are opposite and are stacked together, and a plurality of fixing needles inserted into the other connecting block are fixed on one connecting block.

Furthermore, the transparent cap is fixed on the inner circumferential surface of the gastroscope end and provided with a ring of rubber gasket.

Further, the inner diameter of the transparent cap is equal to 1.8 cm.

Further, the number of the rubber bands is two.

To sum up, the utility model discloses following beneficial effect has:

1. through the arrangement of the meshing block, the compression spring and the control wheel, when no external force is applied, the control wheel is meshed with the meshing block, and the control shaft is reliably stopped; after the initial force application, the control wheel is not meshed with the meshing block, the control wheel is meshed with the ratchet wheel, and the control shaft can only rotate in one direction by matching with the pawl; after further force application, the control wheel is separated from the ratchet wheel to realize bidirectional rotation;

2. through the setting of two rubber sleeves and ligation devices, the treatment step of smaller lesions (internal diameter <2 cm) under the mucosa of the digestive tract is simplified, the base part of the lesions is ligated through negative pressure generated by local attraction, and then snare, electrocoagulation and electrosection are carried out below the rubber ring through the snare, the lesions under the mucosa are effectively excised, finally the wound surface is clamped and closed through a titanium clamp or a harmonious clamp, so that the operation step is simple, the operation time is obviously shortened compared with the ESD technology, the displacement is not easy, and the promotion and application in primary hospitals are facilitated.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure, 1, a transparent cap; 11. a rubber ring; 2. a control seat; 21. a control shaft; 211. a control wheel; 212. a reel; 213. a handle; 22. an engagement block; 23. a ratchet wheel; 24. a pawl; 25. a partition plate; 251. a compression spring; 26. a fixing ring; 3. an excitation line; 31. a control line; 32. and (4) connecting the blocks.

Detailed Description

The following description will be further described with reference to the accompanying drawings, which are not intended to limit the present invention.

A double-ring ligation device is shown in figure 1, and comprises a control seat 2 and a transparent cap 1 sleeved outside the gastroscope end, wherein the inner diameter of the transparent cap 1 is equal to 1.8cm, so that tumors in the deep part of ligation can be attracted; a circle of rubber gasket is arranged on the inner circumferential surface of the gastroscope head end to improve the stability of fixation at the gastroscope head end; two rubber rings 11 are sleeved at the outer end of the transparent cap 1, a control shaft 21 is connected in the control seat 2, a free end of the control shaft 21 is connected to an excitation line 3 in the transparent cap 1 in a winding mode, the rubber rings 11 are sequentially separated from the transparent cap 1 when the excitation line 3 is pulled, and a handle 213 is further connected to one end of the control shaft 21 to facilitate rotation.

A fixing ring 26 which is coaxial with the control shaft 21 is fixed on the inner side surface of one side of the control seat 2, and meshing blocks 22 are uniformly distributed on the fixing ring 26 around the circle center; the control shaft 21 is integrally connected with a control wheel 211, the shape of the side surface of the control wheel 211 close to the meshing block 22 is matched with that of the meshing block 22, and a plurality of elastic pieces used for driving the control shaft 21 to slide towards the control wheel 211 towards the meshing block 22 are arranged in the control seat 2.

A ratchet wheel 23 which is coaxial with the control shaft 21 and a pawl 24 which controls the ratchet wheel 23 to rotate in one direction towards the winding excitation line 3 are connected in the control seat 2, the outer peripheral surface of the control wheel 211 is uniformly provided with tooth forms, and the inner peripheral surface of the ratchet wheel 23 is meshed with the outer peripheral tooth form of the control wheel 211. In this embodiment, the ratchet wheel 23 is rotatably connected to the outside of the fixing ring 26, and the pawl 24 is fixed on the inner side of the control seat 2 and is located right above the ratchet wheel 23.

The control seat 2 is fixed with a partition 25 perpendicular to the control shaft 21, the elastic member includes a compression spring 251 sleeved outside the control shaft 21, and two ends of the compression spring 251 are respectively abutted against the partition 25 and the side surface of the control wheel 211. In this embodiment, the handle 213 is located on the side of the compression spring 251 away from the partition 25, and when the handle 213 is pressed to overcome the force of the compression spring 251, the control shaft 21 slides.

The control shaft 21 comprises a winding drum 212 for winding the excitation wire 3, the winding drum 212 is located on one side of the partition plate 25 far away from the compression spring 251, a side plate fixed on the control base 2 is arranged on one side of the winding drum 212 far away from the partition plate 25, the inner periphery of the winding drum 212 is a regular hexagon concentric with the control shaft 21, and a regular hexagonal prism section matched with the inner periphery of the winding drum 212 is arranged on the control shaft 21.

In order to facilitate the replacement of the excitation wire 3, the excitation wire 3 includes two control wires 31 detachably connected to the outer ends thereof, the control wires 31 extend out of the transparent cap 1 and then penetrate between the transparent cap 1 and the rubber ring 11, and a plurality of glass control beads abutted against the side surface of the rubber ring 11 are fixed on the control wires 31.

Two S-shaped connecting blocks 32 are connected between the control line 31 and the excitation line 3, the openings of the two connecting blocks 32 are opposite and are stacked together, a plurality of fixing needles inserted in the other connecting block 32 are fixed on one connecting block 32, and one ends of the control line 31 and the excitation line 3, which are close to the connecting blocks 32, are connected into a rope ring through knotting and then are fixed at the two ends of the connecting blocks 32.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications or equivalent substitutions within the spirit and scope of the present invention, and such modifications or equivalent substitutions should also be considered as falling within the scope of the present invention.

Claims (9)

1. A double-ring ligation device is characterized in that: comprises a control seat (2) and a transparent cap (1) sleeved outside the gastroscope end, a plurality of rubber bands (11) are sleeved at the outer end of the transparent cap (1), a control shaft (21) is connected in the control seat (2), an excitation wire (3) with a free end connected to the transparent cap (1) is wound on the control shaft (21), the rubber ring (11) is sequentially separated from the transparent cap (1) when the excitation wire (3) is pulled, the inner side surface of one side of the control seat (2) is provided with meshing blocks (22) which are uniformly distributed around the control shaft (21), a control wheel (211) is fixed outside the control shaft (21), the shape of the side surface of the control wheel (211) close to one side of the meshing block (22) is matched with that of the meshing block (22), a plurality of elastic pieces used for driving the control shaft (21) to slide towards the direction of the control wheel (211) towards the meshing block (22) are arranged in the control seat (2).

2. The dual ring ligation device according to claim 1, wherein: the control seat (2) is internally connected with a ratchet wheel (23) which is coaxial with the control shaft (21) and a pawl (24) which controls the ratchet wheel (23) to rotate in a one-way direction towards the winding excitation line (3), the outer peripheral surface of the control wheel (211) is uniformly provided with tooth forms, and the inner peripheral surface of the ratchet wheel (23) is meshed with the outer peripheral tooth form of the control wheel (211).

3. The double ring ligation device according to claim 1 or 2, wherein: a partition plate (25) perpendicular to the control shaft (21) is fixed in the control seat (2), the elastic piece comprises a compression spring (251) sleeved outside the control shaft (21), and two ends of the compression spring (251) are respectively abutted to the partition plate (25) and the side face of the control wheel (211).

4. The dual ring ligation device according to claim 3, wherein: the control shaft (21) comprises a winding drum (212) used for winding the excitation line (3), the winding drum (212) is located on one side, away from the compression spring (251), of the partition plate (25), the inner periphery of the winding drum (212) is a regular polygon concentric with the control shaft (21), and a regular polygon section matched with the inner periphery of the winding drum (212) is arranged on the control shaft (21).

5. The double ring ligation device according to claim 1 or 2, wherein: the excitation wire (3) is including dismantling a plurality of sections control lines (31) of connecting in its outer end, wear to locate between transparent cap (1) and rubber band (11) after control line (31) stretches out in transparent cap (1), be fixed with a plurality of butts on control line (31) and be close to the control pearl of gastroscope one side in each rubber band (11).

6. The dual ring ligation device according to claim 5, wherein: two S-shaped connecting blocks (32) are connected between the control line (31) and the excitation line (3), the openings of the two connecting blocks (32) are opposite and are stacked together, and a plurality of fixing pins inserted into the other connecting block (32) are fixed on one connecting block (32).

7. The double ring ligation device according to claim 1 or 2, wherein: the transparent cap (1) is fixed on the inner peripheral surface of the gastroscope end and is provided with a circle of rubber gasket.

8. The double ring ligation device according to claim 1 or 2, wherein: the internal diameter of the transparent cap (1) is equal to 1.8 cm.

9. The double ring ligation device according to claim 1 or 2, wherein: two rubber bands (11) are arranged.

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