CN213430400U

CN213430400U - Stone-taking net basket

Info

Publication number: CN213430400U
Application number: CN202021341622.8U
Authority: CN
Inventors: 秦运升
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-06-15
Anticipated expiration: 2030-07-09

Abstract

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a calculus extraction basket is related to, including sheath pipe, basket and string bag set up the one end at the sheath pipe, be provided with first control mechanism and the second control mechanism that is used for controlling basket and string bag to stretch out or shrink into sheath pipe on the sheath pipe respectively, the other end of sheath pipe is connected with two mutually independent handles, first control mechanism and second control mechanism set up respectively on mutually independent handle. The utility model discloses get the basket of stone when using, through the basket of setting up the stone of getting on the sheath pipe to after the calculus is got to the basket cover, the string bag can live the calculus pocket that drops, and the phenomenon can not appear escaping to the calculus like this.

Description

Stone-taking net basket

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a get stone basket.

Background

The Endoscopic Retrograde Cholangiopancreatography (ERCP) has been applied in China since the 70 th of the 20 th century, the history is over 40 years, the success rate of the ERCP is obviously improved, and the intubation success rate of the ERCP in China can reach over 95 percent and reach the international advanced level. For the aspects of removing calculus of extrahepatic bile duct, relieving obstructive jaundice and the like, ERCP has been taken as an important clinical treatment means, and the curative effect and the safety of ERCP are widely accepted. The ERCP procedure must be completed with the following instruments: duodenoscope, guide wire, radiography catheter, nipple incision sword, get stone basket, lithotripter, expansion bougie, expansion gasbag, drainage tube, support, scope dedicated high frequency electric generator, syringe needle and hemostatic clamp etc.. The stone-taking basket is a main instrument for bile duct stones in the ERCP operation. The clinical cholelithiasis is divided into extrahepatic bile duct calculi and intrahepatic bile duct calculi according to the position of the calculi. Stones located at the lower end of the common bile duct are called extrahepatic bile duct stones; and stones distributed in the intrahepatic bile duct are called intrahepatic bile duct stones. The stones vary in size and number. Because the small stones are not easy to be extracted, the stones are easy to escape after being extracted, and the X-ray lower development is unclear, when the ERCP stone extraction is carried out, some stones with smaller volumes are often leaked, and the discovery and the cleaning of silt-shaped stones and gall-mud often increase the operation time greatly.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the utility model provides a get stone basket in order to solve because the difficult extraction of littlestone, the easy escape after the extraction, X line develop not clear down, when carrying out ERCP calculus operation, often can leak some litters that are less in size, to the discovery and the clearance of silt form calculus and gall-mud, often can make the problem of operation time greatly increased, now provide one kind and got stone basket.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a get stone basket, includes sheath pipe, basket and string bag set up the one end at the sheath pipe, be provided with first control mechanism and the second control mechanism that is used for controlling basket and string bag to stretch out or shrink into the sheath pipe on the sheath pipe respectively, the other end of sheath pipe is connected with two mutually independent handles, first control mechanism and second control mechanism set up respectively on two mutually independent handles.

The utility model discloses a set up the basket of getting the stone on the sheath pipe to after the calculus was got to the basket cover, the stone pocket that the pocket can drop lived, and the phenomenon can not appear escaping to the stone like this.

In order to realize the first control mechanism and the second control mechanism, the first control mechanism and the second control mechanism are respectively two branch pipes arranged on the sheath pipe, slide rings are arranged on the two branch pipes in a sliding manner, one end of the net basket penetrates through the sheath pipe and is arranged on the slide ring of one of the two branch pipes, and one end of the net bag penetrates through the sheath pipe and is arranged on the slide ring of the other branch pipe of the two branch pipes. The slip rings arranged on the two branch pipes in a sliding mode pull the net basket or the net bag correspondingly connected with the slip rings, and therefore the net basket and the net bag can be controlled to stretch out or shrink.

In order to realize the sliding of the sliding ring on the branch pipe, the handle is further arranged on the branch pipe, a sliding hole matched with the handle is formed in the sliding ring, and the handle is arranged in the sliding hole in a sliding mode, so that the sliding ring slides on the branch pipe. The handle is arranged on the branch pipe, the sliding ring is provided with the sliding hole corresponding to the handle, and the handle is arranged in the sliding hole in a sliding mode, so that the sliding ring can slide on the branch pipe.

In order to realize that basket and string bag stretch out or shrink into the sheath pipe, furtherly, first through-hole and second through-hole have been seted up respectively to the sheath pipe along its axial, the one end of basket is passed through first seal wire and is connected with first control mechanism, the basket sets up in the first through-hole, the one end of string bag is passed through the second seal wire and is connected with second control mechanism, the string bag sets up in the second through-hole. Through set up first through-hole and the second through-hole that corresponds with basket and string bag on the sheath pipe to through corresponding basket or the string bag of first seal wire and second seal wire control, realize that basket and string bag stretch out or shrink into the sheath pipe.

The utility model has the advantages that: the utility model discloses get the stone basket when using, through the basket of getting the stone of setting on the sheath pipe to after the calculus is got to the basket cover, the stone pocket that the pocket can drop lives, the phenomenon can not appear escaping to the calculus like this, avoided because the difficult set of getting of littlestone, easily escape after the set is got, develop not clearly under the X line, when ERCP gets the stone art, often can leak some liths that the volume is less, to the discovery and the clearance of silt form calculus and courage mud, often can make operating time greatly increased.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a front view of embodiment 1 of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is a first state diagram of embodiment 1 of the present invention in use;

fig. 4 is a state diagram ii of embodiment 1 of the present invention in use;

fig. 5 is a usage state diagram of embodiment 2 of the present invention;

fig. 6 is a usage state diagram of embodiment 3 of the present invention.

In the figure: 1. sheath pipe, 2, first through-hole, 3, second through-hole, 4, first seal wire, 5, second seal wire, 6, basket, 7, string bag, 8, sliding ring, 9, handle, 10, branch pipe.

Detailed Description

The utility model discloses the following embodiment of combining does further detailing:

the utility model discloses not confine the following embodiment to, general technical personnel in this field can adopt other multiple embodiment to implement according to the utility model discloses a, perhaps all adopt the utility model discloses a design structure and thinking do simple change or change, all fall into the utility model discloses a protection scope. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Example 1

As shown in fig. 1-4, a calculus-removing net basket comprises a sheath tube 1, a net basket 6 and a net bag 7, the net basket 6 and the net bag 7 are arranged at one end of the sheath tube 1, a first control mechanism and a second control mechanism which are used for controlling the net basket 6 and the net bag 7 to extend out of or retract into the sheath tube 1 are respectively arranged on the sheath tube 1, the other end of the sheath tube 1 is connected with two mutually independent handles 9, and the first control mechanism and the second control mechanism are respectively arranged on the two mutually independent handles 9.

The first control mechanism and the second control mechanism are respectively two branch pipes (10) arranged on the sheath pipe 1, a sliding ring 8 is arranged on the two branch pipes 10 in a sliding manner, one end of the basket 6 penetrates through the sheath pipe 1 and is arranged on the sliding ring 8 of one branch pipe 10 of the two branch pipes 10, and one end of the net bag 7 penetrates through the sheath pipe 1 and is arranged on the sliding ring 8 of the other branch pipe 10 of the two branch pipes 10.

The handle 9 is arranged on the branch pipe 10, the slip ring 8 is provided with a sliding hole matched with the handle 9, and the handle 9 is arranged in the sliding hole in a sliding manner, so that the slip ring 8 slides on the branch pipe 10.

First through-hole 2 and second through-hole 3 have been seted up respectively along its axial to sheath pipe 1, the one end of basket 6 is connected with first control mechanism through first seal wire 4, basket 6 sets up in the first through-hole 2, the one end of string bag 7 is passed through second seal wire 5 and is connected with second control mechanism, string bag 7 sets up in second through-hole 3.

The basket 6 is spiral in shape.

When the stone-taking basket is used, the slip ring 8 slides on the handle 9, so that the slip ring 8 drives the first guide wire 4 or the second guide wire 5, the first guide wire 4 displaces in the first through hole 2, the second guide wire 5 displaces in the second through hole 3, the first guide wire 4 drives the basket 6 to extend out or retract into the sheath tube 1, and the second guide wire 5 drives the basket 6 to extend out or retract into the sheath tube 1;

after the calculus removing basket 6 is opened in the bile duct, the calculus can swim to the upper end along the trend in the calculus removing process, so that the calculus falls off from the basket 6, and the calculus cannot be removed by the basket 6. Now, a net bag 7 covered with a net is added, which is helpful for taking out the fallen stones. In the narrow, deformed or bad-shaped section of the bile duct, the calculus can not be influenced by external force, and the escape phenomenon can not occur, for silt-shaped calculus or gall-mud, the net bag 7 can effectively drag for silt or gall-mud, and after the primary or secondary calculus-fetching process, the cleaning of the biliary tract can be effectively realized, so that the calculus removal rate is obviously improved.

Example 2

As shown in fig. 5, example 2 differs from example 1 in that: the basket 6 is diamond-shaped. The basket 6 is arranged in a diamond shape, so that the stone extraction basket is suitable for extracting stones with different shapes.

Example 3

As shown in fig. 6, example 3 differs from examples 1 and 2 in that: the net basket 6 is semicircular. The basket 6 is arranged in a semicircular shape, so that the calculus catching device is suitable for catching calculus in different shapes.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A stone extraction basket, its characterized in that: including sheath pipe (1), basket (6) and string bag (7) set up the one end in sheath pipe (1), be provided with first control mechanism and the second control mechanism who is used for controlling basket (6) and string bag (7) to stretch out or shrink into sheath pipe (1) on sheath pipe (1) respectively, the other end of sheath pipe (1) is connected with two mutually independent handles (9), first control mechanism and second control mechanism set up respectively on two mutually independent handles (9).

2. The stone extraction basket of claim 1, wherein: the first control mechanism and the second control mechanism are two branch pipes (10) arranged on the sheath pipe (1) respectively, two slide-ring (8) are arranged on the branch pipes (10), one end of the basket (6) penetrates through the sheath pipe (1) and is arranged on the slide ring (8) of one branch pipe (10) of the two branch pipes (10), and one end of the net bag (7) penetrates through the sheath pipe (1) and is arranged on the slide ring (8) of the other branch pipe (10) of the two branch pipes (10).

3. The stone extraction basket of claim 2, wherein: the handle (9) is arranged on the branch pipe (10), the slip ring (8) is provided with a slip hole matched with the handle (9), and the handle (9) is arranged in the slip hole in a sliding mode, so that the slip ring (8) can slide on the branch pipe (10).

4. The stone extraction basket of claim 1, wherein: first through-hole (2) and second through-hole (3) have been seted up respectively along its axial in sheath pipe (1), the one end of basket (6) is connected with first control mechanism through first seal wire (4), basket (6) set up in first through-hole (2), the one end of string bag (7) is passed through second seal wire (5) and is connected with second control mechanism, string bag (7) set up in second through-hole (3).

5. The stone extraction basket of claim 1, wherein: the net basket (6) is in a spiral shape.

6. The stone extraction basket of claim 1, wherein: the net basket (6) is diamond-shaped.

7. The stone extraction basket of claim 1, wherein: the net basket (6) is semicircular.