CN213190058U - Device for fixing crushed stone by ercp basket - Google Patents

Abstract

The utility model provides a rubble device is fixed to ercp basket, including basket, sheath pipe, outer tube, protecting tube and operating handle, the sheath pipe sets up the one end at the outer tube, and the sheath pipe is linked together with the outer tube, is provided with the haulage wire in sheath pipe and the outer tube, the last push-and-pull rod that is provided with of operating handle, and haulage wire one end is connected with the end of basket, and the other end is connected with the push-and-pull rod, and the protecting tube setting is provided with laser fiber on the outer tube in the protecting tube. In the embodiment of the application, laser lithotripsy can be directly performed after the stone is grabbed by the basket, and the stone can be fixed by the basket, so that the reliability of the laser lithotripsy is ensured; the calculus is not easy to separate from the basket after being grabbed, so that the sleeving and fetching difficulty is reduced; can lock the position and the direction of the basket, and is convenient for nesting and taking the calculus.

Description

Device for fixing crushed stone by ercp basket

Technical Field

The application relates to the technical field of medical equipment, in particular to an ercp basket fixed gravel device.

Background

Endoscopic retrograde cholangiopancreatography, also known as ercp, refers to finding the duodenal papilla through a duodenoscope similar to a gastroscope, inserting a very fine guide wire or catheter into the common bile duct, and performing contrast with a contrast agent.

Most of the existing devices can only grab the calculus, and cannot directly carry out laser calculus breaking, and the calculus cannot be fixed during laser calculus breaking, so that the reliability of laser calculus breaking is influenced; moreover, the existing device is inconvenient for extracting the calculus, and the calculus is easy to separate from the device after being grabbed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a purpose is to overcome prior art's shortcoming, provides a rubble device is fixed to ercp basket, can make the basket snatch directly carry out the laser rubble behind the calculus, and the basket still can fix the calculus, guarantees the reliability of laser rubble.

The application provides a device for fixing crushed stone by an ercp basket, which comprises a basket, a sheath tube, an outer tube, a protective tube and an operating handle, wherein the sheath tube is arranged at one end of the outer tube, the sheath tube is communicated with the outer tube, a traction wire is arranged in the sheath tube and the outer tube, a push-pull rod is arranged on the operating handle, one end of the traction wire is connected with the tail end of the basket, the other end of the traction wire is connected with the push-pull rod, the protective tube is arranged on the outer tube, and laser fibers are arranged in the protective tube; the basket is composed of 2-6 basket wires, the basket wires are spiral, meshes on the basket are dense in the front and sparse in the rear, and the pitch of the front ends of the basket wires is smaller than that of the rear ends of the basket wires; the traction wire locking device is characterized in that a locking washer and a locking screw cap are arranged at one end of the outer tube, the locking washer is sleeved on the traction wire, the locking screw cap is arranged on the locking washer, and the locking screw cap can be rotated to compress the locking washer to lock the traction wire.

Further, the top end of the net basket is provided with a guide head.

Further, the protective tube is arranged on the outer tube through a clamping ring.

Furthermore, one end of the laser fiber is connected with a laser generator.

In the embodiment of the application, due to the adoption of the technical scheme, laser lithotripsy can be directly performed after the stone is grabbed by the basket, and the stone can be fixed by the basket, so that the reliability of the laser lithotripsy is ensured;

the basket wire is spiral, the meshes on the basket are dense in the front and sparse in the back, and the pitch of the front end of the basket wire is smaller than that of the back end of the basket wire, so that the calculus is not easy to separate from the basket after being grabbed, and the difficulty in nesting is reduced;

through the locking washer and the locking cap that revolve that set up, rotatory locking cap that revolves can compress the locking washer, and then locks the traction wire to can lock basket position and direction, be convenient for to the calculus cover and get.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic overall structure of the present application;

in the figure: 1-a basket; 2-sheath tube; 3-an outer tube; 4-drawing a wire; 5, a push-pull rod; 6-operating a handle; 7-a guide head; 8-basket silk; 9-laser fiber; 10-a protective tube; 11-a snap ring; 12-locking screw cap; 13-lock washer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, 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 application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

As shown in fig. 1, the embodiment provides a lithotripsy fixing device for an ercp basket, which includes a basket 1, a sheath tube 2, an outer tube 3, a protection tube 10 and an operating handle 6, wherein the sheath tube 2 is arranged at one end of the outer tube 3, the sheath tube 2 is communicated with the outer tube 3, traction wires 4 are arranged in the sheath tube 2 and the outer tube 3, a push-pull rod 5 is arranged on the operating handle 6, one end of each traction wire 4 is connected with the tail end of the basket 1, the other end of each traction wire is connected with the push-pull rod 5, the protection tube 10 is arranged on the outer tube 3, and the protection tube 10 is arranged on the outer tube 3 through. The laser fiber 9 is arranged in the protective tube 10. One end of the laser fiber 9 is connected with the laser generator.

Basket 1 comprises basket silk 8, and basket silk 8 is provided with 2 ~ 6, and basket silk 8 is the heliciform, and the mesh on the basket 1 is preceding closely the form of loosing behind, and the front end pitch of basket silk 8 is less than the rear end pitch of basket silk 8.

A locking washer 13 and a locking screw cap 12 are arranged at one end of the outer tube 3, the locking washer 13 is sleeved on the traction wire 4, the locking screw cap 12 is arranged on the locking washer 13, and the locking washer 13 can be compressed to lock the traction wire 4 by rotating the locking screw cap 12.

The top end of the basket 1 is provided with a guide head 7. The guide head 7 is made of silica gel materials, the guide head 7 can play a role in guiding, and meanwhile, the damage to a human body can be avoided.

During the use, earlier control operation handle 6 takes in basket 1 in sheath pipe 2, insert sheath pipe 2 internal, insert to the calculus position, later control sheath pipe 2 front end direction, make sheath pipe 2 front end aim at calculus top position, control operation handle 6, slowly release basket 1, the calculus gets into from the loose mesh in basket 1 rear end, pull back basket 1, make the calculus at basket 1 front end, avoid the calculus to drop from basket 1, after basket 1 snatchs the calculus completely, laser generator produces titanium laser, laser fiber 9 can carry out the rubble to the calculus, carry out it outside after the rubble.

In the embodiment of the application, due to the adoption of the technical scheme, the laser lithotripsy can be directly performed after the stone is grabbed by the basket 1, and the stone can be fixed by the basket 1, so that the reliability of the laser lithotripsy is ensured;

the basket wire 8 is spiral, the meshes on the basket 1 are dense in the front and sparse in the back, and the pitch of the front end of the basket wire 8 is smaller than that of the back end of the basket wire 8, so that stones are not easy to separate from the basket 1 after being grabbed, and the difficulty in nesting is reduced;

through the locking washer 13 and the locking cap 12 that revolve that set up, rotatory locking cap 12 can compress locking washer 13, and then locks traction wire 4 to can lock basket 1 position and direction, be convenient for to the calculus goes on to set and gets.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (4)

1. An ercp basket lithotripsy fixing device is characterized by comprising a basket, a sheath tube, an outer tube, a protective tube and an operating handle, wherein the sheath tube is arranged at one end of the outer tube and is communicated with the outer tube; the basket is composed of 2-6 basket wires, the basket wires are spiral, meshes on the basket are dense in the front and sparse in the rear, and the pitch of the front ends of the basket wires is smaller than that of the rear ends of the basket wires; the traction wire locking device is characterized in that a locking washer and a locking screw cap are arranged at one end of the outer tube, the locking washer is sleeved on the traction wire, the locking screw cap is arranged on the locking washer, and the locking screw cap can be rotated to compress the locking washer to lock the traction wire.

2. The ercp basket lithotripsy device of claim 1, wherein the top end of the basket is provided with a guide head.

3. The ercp basket lithotripsy device of claim 1, wherein the protective tube is disposed on the outer tube by a snap ring.

4. The ercp basket lithotripter device of claim 1, wherein the laser fiber is connected at one end to a laser generator.

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