CN215458404U - Over-guide wire incarceration-prevention stone-taking net basket - Google Patents

Abstract

The utility model discloses a guide wire anti-incarceration stone-taking basket in the technical field of medical equipment, wherein each group of basket metal wires penetrate through a group of openings arranged on the surface of a conical head, so that one end of each basket metal wire is pulled by force to pull out the whole basket metal wire, the remaining basket metal wires are pulled out after one basket metal wire is pulled out, the basket at the front end is disassembled and separated from incarceration stones, at the moment, the incarceration stone-taking basket catheter can be taken out smoothly, when the stone-taking basket is embedded, the basket metal wires can be directly pulled out to decompose the basket, the separation of the basket and incarceration stones is realized, the incarceration stone-taking basket is taken out, the problem that the incarceration stone-taking basket cannot be taken out is avoided, the head end of the conical head is arranged into a tapered shape, a guide wire cavity is arranged in the middle of the guide wire, the basket can pass through the middle of the basket and can be guided to move along the guide wire direction, the basket enters the bile duct more smoothly and does not damage the mucous membrane of the digestive tract.

Description

Over-guide wire incarceration-prevention stone-taking net basket

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a guide wire passing and incarceration preventing stone taking basket.

Background

The biliary calculus removal cases in Endoscopic Retrograde Cholangiopancreatography (ERCP) account for about 80%, and in clinical operation treatment, the calculus removal basket is commonly used for biliary calculus removal, including small calculus, large calculus, silt-like calculus, residual calculus left in bile duct after mechanical calculus removal, and the like. However, when a large calculus is encountered in clinic, in the calculus removing process of the calculus removing basket, the calculus captured by the basket is embedded in basket wires, so that the problem that the calculus removing basket is embedded and cannot be taken out can occur, and great troubles and operation risks can be brought to a clinic operator.

Through retrieval, Chinese patent No. CN201920677261.5 discloses an inlaying-prevention biliary calculus-taking basket, which comprises a flexible sterile enveloping pipe, wherein a first sleeve is arranged at the upper end of the outer side surface of the flexible sterile enveloping pipe, a first flexible strip, a second flexible strip and a guide pipe are sequentially sleeved on the first sleeve through a positioning hole formed in the upper surface of the first sleeve, the flexible sterile enveloping pipe is fixedly connected with a hollow cylinder through a second internal thread sleeve arranged at the lower end of the outer side surface of the flexible sterile enveloping pipe, and a second basket wire … … is sleeved on the hollow cylinder through a positioning hole formed in the upper end of the outer side surface of the hollow cylinder

The main technical problem that above-mentioned device solved is for preventing inlaying the biliary tract and getting the stone basket, compact structure, and convenient operation, occupation space is little during the use, can solve and get the stone basket and the calculus inlays dungeon, cause fenestrate problem, the setting that first basket silk combines the second basket silk can effectively be fixed the biliary tract calculus, the injection syringe combines setting up of honeycomb duct to make things convenient for the injection of medicine, setting up of external screw thread fixture block makes first basket silk can realize accurate ninety degrees rotations.

However, in practical application, the head end of the existing stone-removing net basket design is a net basket metal wire welding joint, and a guide wire cannot pass through the head end and the middle of the net basket metal wire welding joint, so that an included angle exists between a net basket catheter and the guide wire when the net basket enters and exits a bile duct along the guide wire, the included angle can cause difficulty in the net basket entering the bile duct and damage the mucosa of the sphincter duodenum and the bile duct, and the guide wire-passing incarceration-preventing stone-removing net basket is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a guide wire passing and incarceration preventing stone taking basket, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a cross seal wire and prevent inlaying and dunk stone basket of getting, includes pusher, push rod, leads core, basket wire and cone, the pusher comprises handle and pipe, the inside of handle is provided with the fluting, the inside of pipe sets up to the cavity form and is the contrast agent injection chamber, the inside fluting that sets up of handle and the inside cavity connection of pipe, the surface cover of pipe has the push rod, the inner wall fixedly connected with fixed block of push rod, the core is led to the inside fixedly connected with of fixed block, the surface mounting of leading the core has the basket wire, the one end of basket wire is inserted and is established in the cone.

Preferably, the guide core is installed in a slot arranged in the handle, and one end of the guide core penetrates through the handle and is inserted in the conduit.

Preferably, two groups of threaded holes are formed in the surface of one side, close to the handle, of the conduit, adjusting bolts are inserted into the two groups of threads, a pressing sheet is sleeved on the surface of the guide core, which is located at the position where the threaded holes are formed in the surface of the conduit, and the basket wire is inserted between the guide core and the pressing sheet.

Preferably, the basket metal wire is a nickel-titanium alloy wire, and the basket metal wire and the conical head form a basket.

Preferably, the conical head includes conical head one and conical head two, conical head one and conical head two all set up to the tapered conical head form, the central point of conical head one and conical head two puts and all is provided with the seal wire chamber, the surface of conical head one is located the periphery in seal wire chamber and is provided with four groups of trompils that are the circumference and distribute, the surface of conical head two is located the periphery in seal wire chamber and is provided with six sets of trompils that are the circumference and distribute.

Preferably, two groups of basket metal wires are inserted into the conical head I, the two groups of basket metal wires are inserted into four groups of openings formed in the surface of the conical head I, and each group of basket metal wires is inserted into two adjacent groups of openings formed in the surface of the conical head I;

three groups of basket metal wires are inserted into the second conical head, the three groups of basket metal wires are inserted into six groups of openings formed in the surface of the second conical head, and each group of basket metal wires is inserted into two adjacent groups of openings formed in the surface of the second conical head

Preferably, the surface of the conduit is fixedly connected with a syringe connector.

Preferably, the surface of the catheter is provided with a guide wire outlet.

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

1. when the stone-taking basket is embedded, the metal wires of the basket can be directly pulled out to decompose the basket, so that the embedded stone-taking basket is taken out after the basket and embedded stones are separated;

2. the guide wire can be followed the basket centre and passed through, can guide the basket and remove along the guide wire direction, and the basket gets into the bile duct more smoothly and can not harm the mucous membrane of alimentary canal.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the structure of the present invention;

FIG. 3 is an exploded view of the structure of the present invention;

FIG. 4 is a schematic view of a conical head structure according to the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 6 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 7 is an enlarged view of the structure at C of FIG. 1 according to the present invention.

In the figure: 1. a pusher; 11. a handle; 12. a conduit; 2. a push rod; 3. a fixed block; 4. a guide core; 5. a basket wire; 6. a conical head; 61. a first conical head; 62. a second conical head; 7. a compression sheet; 8. adjusting the bolt; 9. a syringe connector; 10. a guidewire exit.

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.

Example one

Referring to fig. 1-7, the present invention provides a technical solution:

the utility model provides a cross seal wire and prevent inlaying and dunk stone basket of getting, including pusher 1, push rod 2, lead core 4, basket wire 5 and cone 6, pusher 1 comprises handle 11 and pipe 12, the inside of handle 11 is provided with the fluting, the inside of pipe 12 sets up to the cavity form and injects the chamber for the contrast agent, the inside fluting that sets up of handle 11 and the inside cavity of pipe 12 are connected, the surface cover of pipe 12 has push rod 2, the inner wall fixedly connected with fixed block 3 of push rod 2, the inside fixedly connected with of fixed block 3 leads core 4, the surface mounting of leading core 4 has basket wire 5, the one end of basket wire 5 is inserted and is established in cone 6.

Example two

On the basis of the first embodiment, the utility model provides a technical scheme that:

a guide wire passing and incarceration-preventing stone-taking basket comprises a pusher 1, a push rod 2, a guide core 4, basket metal wires 5 and a conical head 6, wherein the guide core 4 is installed in a groove arranged in a handle 11, one end of the guide core 4 penetrates through the handle 11 and is inserted into a guide pipe 12, the push rod 2 is pushed to slide on the pusher 1, the push rod 2 is connected with the guide core 4 installed on a fixing block 3 and is inserted into the guide pipe 12, and the basket metal wires 5 fixed on the guide core 4 are further pushed forwards;

the surface of one side of the conduit 12 close to the handle 11 is provided with two groups of threaded holes, two groups of threads are inserted with adjusting bolts 8, the surface of the guide core 4, which is positioned at the position where the threaded holes are arranged on the surface of the conduit 12, is sleeved with a pressing sheet 7, the basket metal wires 5 are inserted between the guide core 4 and the pressing sheet 7, when the stone-taking basket is embedded in the use process, the basket metal wires 5 and the guide core 4 are pressed by contacting the pressing sheet 7 through rotating the adjusting bolts 8, because each group of basket metal wires 5 pass through one group of openings arranged on the surface of the conical head 6, one end of the basket metal wires 5 can be pulled out by force, the whole basket metal wires 5 can be pulled out, the rest basket metal wires 5 can be pulled out after one basket metal wire 5 is pulled out, the basket at the front end can be disassembled and separated from the embedded stones, at the moment, the embedded stone-taking basket conduit can be smoothly taken out, the problem that the net basket is embedded and cannot be taken out is avoided;

the basket metal wire 5 is a nickel-titanium alloy wire, and the basket metal wire 5 and the conical head 6 form a basket;

the conical head 6 comprises a first conical head 61 and a second conical head 62, the first conical head 61 and the second conical head 62 are both in a tapered conical head shape, the center positions of the first conical head 61 and the second conical head 62 are both provided with a guide wire cavity, the head end of the conical head 6 is in a tapered conical head shape, the middle of the conical head is provided with the guide wire cavity, the guide wire can pass through the guide basket from the middle of the conical head and move along the guide wire direction, the surface of the first conical head 61 is positioned on the periphery of the guide wire cavity and is provided with four groups of openings which are circumferentially distributed, and the surface of the second conical head 62 is positioned on the periphery of the guide wire cavity and is provided with six groups of openings which are circumferentially distributed;

two groups of basket metal wires 5 are inserted in the first conical head 61, the two groups of basket metal wires 5 are inserted in four groups of openings arranged on the surface of the first conical head 61, each group of basket metal wires 5 are inserted in two adjacent groups of openings arranged on the surface of the first conical head 61, three groups of basket metal wires 5 are inserted in the second conical head 62, the three groups of basket metal wires 5 are inserted in six groups of openings arranged on the surface of the second conical head 62, each group of basket metal wires 5 are inserted in two adjacent groups of openings arranged on the surface of the second conical head 62, the basket metal wires 5 penetrate through holes arranged on the surface of the conical head 6, the conical head 6 is designed into four holes or six holes, 2 adjacent holes are used as one group, the head ends of the four holes are designed into two groups, the six holes are designed into three groups, one basket metal wire 5 penetrates through two holes of the same group, and two metal wires are arranged at the lower end of each group, the two metal wires are actually a basket metal wire 5 which is connected together, the tail ends of all the basket metal wires 5 are fixed on the guide core 4 through the pressing sheet 7 and the adjusting bolt 8, and the opening and closing of the basket are controlled through the guide core 4, so that the stone taking operation is realized;

the surface of the catheter 12 is fixedly connected with an injector connector 9, and the injector is connected with an injector to inject contrast medium through the injector connector 9;

the surface of the catheter 12 is provided with a guide wire outlet 10 through which a guide wire is inserted 10.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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 (8)

1. The utility model provides a cross seal wire and prevent incarceration and get stone basket, includes pusher (1), push rod (2), leads core (4), basket wire (5) and cone (6), its characterized in that: pusher (1) comprises handle (11) and pipe (12), the inside of handle (11) is provided with the fluting, the inside of pipe (12) sets up to the cavity form and injects the chamber for the contrast medium, the inside fluting that sets up of handle (11) and the inside cavity connection of pipe (12), the surface cover of pipe (12) has push rod (2), the inner wall fixedly connected with fixed block (3) of push rod (2), the inside fixedly connected with of fixed block (3) leads core (4), the surface mounting of leading core (4) has basket wire (5), the one end of basket wire (5) is inserted and is established in cone head (6).

2. The over-the-wire anti-incarceration stone-extraction basket according to claim 1, wherein: the guide core (4) is arranged in a groove arranged in the handle (11), and one end of the guide core (4) penetrates through the handle (11) and is inserted in the guide pipe (12).

3. The over-the-wire anti-incarceration stone-extraction basket according to claim 1, wherein: the novel wire mesh basket is characterized in that two groups of threaded holes are formed in the surface of one side, close to the handle (11), of the guide pipe (12), adjusting bolts (8) are inserted into the two groups of threads, a pressing piece (7) is sleeved on the position, located on the surface of the guide pipe (12), of the surface of the guide core (4), where the threaded holes are formed, and the wire mesh basket (5) is inserted between the guide core (4) and the pressing piece (7).

4. The over-the-wire anti-incarceration stone-extraction basket according to claim 1, wherein: the basket metal wire (5) is a nickel-titanium alloy wire, and the basket metal wire (5) and the conical head (6) form a basket.

5. The over-the-wire anti-incarceration stone-extraction basket according to claim 1, wherein: conical head (6) are including conical head (61) and conical head two (62), conical head (61) and conical head two (62) all set up to the conical head form of tapering, the central point that conical head (61) and conical head two (62) put all to be provided with the seal wire chamber, the periphery that the surface that conical head (61) is located the seal wire chamber is provided with four groups and is the trompils that the circumference distributes, the periphery that the surface that conical head two (62) is located the seal wire chamber is provided with six trompils that are the circumference and distributes.

6. The over-the-wire anti-incarceration stone-taking basket according to claim 5, wherein: two groups of basket metal wires (5) are inserted into the conical head I (61), the two groups of basket metal wires (5) are inserted into four groups of openings formed in the surface of the conical head I (61), and each group of basket metal wires (5) is inserted into two adjacent groups of openings formed in the surface of the conical head I (61);

three groups of basket metal wires (5) are inserted into the second conical head (62), the three groups of basket metal wires (5) are inserted into six groups of openings formed in the surface of the second conical head (62), and each group of basket metal wires (5) is inserted into two adjacent groups of openings formed in the surface of the second conical head (62).

7. The over-the-wire anti-incarceration stone-extraction basket according to claim 1, wherein: the surface of the conduit (12) is fixedly connected with a syringe connector (9).

8. The over-the-wire anti-incarceration stone-extraction basket according to claim 1, wherein: the surface of the catheter (12) is provided with a guide wire outlet (10).

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