KR101805296B1 - Umbrella basket retrieving calculus in a body and basket assembly having the same - Google Patents

Umbrella basket retrieving calculus in a body and basket assembly having the same Download PDF

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Publication number
KR101805296B1
KR101805296B1 KR1020160030929A KR20160030929A KR101805296B1 KR 101805296 B1 KR101805296 B1 KR 101805296B1 KR 1020160030929 A KR1020160030929 A KR 1020160030929A KR 20160030929 A KR20160030929 A KR 20160030929A KR 101805296 B1 KR101805296 B1 KR 101805296B1
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KR
South Korea
Prior art keywords
wire
point
wires
basket
umbrella
Prior art date
Application number
KR1020160030929A
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Korean (ko)
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KR20170107618A (en
Inventor
이종찬
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서울대학교병원
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Priority to KR1020160030929A priority Critical patent/KR101805296B1/en
Publication of KR20170107618A publication Critical patent/KR20170107618A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00743—Type of operation; Specification of treatment sites
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
    • A61B2017/2212—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having a closed distal end, e.g. a loop

Abstract

There is provided an Umbrella basket capable of collecting not only large stones but also small stones at the same time, and a basket assembly including the same. This Umbrella basket is an Umbrella basket composed of a plurality of wires connecting a starting point and an end point: the first to third wires are joined to form a bundle of wires and extend from a starting point; There are two or more wire bundles; The first to third wires are separated from each other at a branch point between the start point and the end point; The first wire of one wire bundle joining the second wire of the neighboring wire bundle at the connection and then continuing to the end point in one bundle; The third wire can connect the break point and the end point without coupling with other wires.

Description

[0002] Umbrella baskets and basket assemblies containing the same are extracted from the human body. [0002] Umbrella basket retrieving calculus in a body and basket assembly having the same [

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an Umbrella basket and a basket assembly including the Umbrella basket. More particularly, the present invention relates to an Umbrella basket and a basket assembly including the Umbrella basket.

The salts contained in the secretions in the body are attached to the surface of foreign matter or around a small crystal mass, and the stone-like product is called calculus. The stones are generally known to be deposited by changes in solubility of organic ions with changes in pH. Depending on where the stone is produced, gallstones (stones) in the gallbladder (gall bladder) and stones in the urinary tract are the main factors.

If the size of the stone is very small, it may be possible to clean the stone by injecting saline through the endoscope. However, if the stone is large, There is a method of physically removing stones by using various types of tongs or baskets mounted on the tongue.

Hereinafter, a stone removal tool using a basket according to the prior art will be described. As shown in Korean Patent Laid-open Nos. 10-1999-0068475, 10-2005-0032634, and 10-2008-0095061, most of the baskets are made up of four wires, They are connected to each other at the termination point. When the wire is drawn out of the tube, each wire swells in all directions and a capturing space is provided therein, and the stones are captured in the capturing space to extract stones from the body.

Such a conventional basket can act effectively when extracting large sized stones, but it is very difficult to extract small sized stones. Basically, the basket is made up of four wires, and the whole wire has a coarse structure, so it is easy for small stones to flow into the internal catching spaces of the wires. However, when pulling wires to capture stones, it is difficult to extract stones because small stones easily escape through the wires. In order to solve this problem, it is possible to construct more than four wires. In this case, since wire spacing is too tight, it is difficult to extract large-sized stones because it is difficult to introduce stones into the wire capturing space. It is also difficult to extract small stones.

It is an object of the present invention to provide a stone extraction Umbrella basket which can easily extract stones of various sizes regardless of size or size, and which is easy to manufacture.

Another object of the present invention is to provide a basket assembly including the Umbrella basket.

The problems to be solved by the present invention are not limited to the above-mentioned problems, and other matters not mentioned can be clearly understood by those skilled in the art from the following description.

According to another aspect of the present invention, there is provided an Umbrella basket comprising a plurality of wires connecting a starting point and an end point, the Umbrella basket comprising: And extending from the starting point; Wherein the wire bundle is at least two; The first to third wires are separated from each other at a branch point between the start point and the end point; Said first wire of one wire bundle joining said second wire of a neighboring wire bundle at a connection and then continuing to said end point in one bundle; And the third wire connects the branch point and the end point without coupling with another wire.
The wire bundle may form a pointed tip at the end point.

And a bundling member which surrounds the wires passing through the branch point and the connection portion.

And a flexible film surrounding the first to third wires separated at the branch point.

According to another aspect of the present invention, there is provided an umbrella basket comprising: a basic wire group (N is an integer of 2 or more) including first to N th basic wires connecting start and end points; And a second branch wire branched at a branch point of the (n + 1) -th basic wire and connected to the first branch wire, and a second branch wire branching from a branch point of the And a branching wire group (1? N? N-1, n is an integer) including a third branching wire connecting the connecting portion and the end point.

The first to third branch wires may have a Y-shape.

Wherein the n-th basic wire includes a first portion connecting the starting point and the branch point, and a second portion connecting the branch point and the end point; The first portion comprises three wires; The first branching wire, the second branching wire and the second portion being constituted by one wire; The third branch wire may be composed of two wires.

And a bundling member which surrounds the wires passing through the branch point and the connection portion.

And a flexible film surrounding the branching wire group.

According to another aspect of the present invention, there is provided a basket assembly comprising: a tube passing through an endoscope insertion portion inserted into a body; A wire portion inserted into the tube; The Umbrella basket being connected to one end of the wire part and projecting to the tip of the tube; And a length adjuster connected to the other end of the wire to control the back and forth movement of the Umbrella basket.

The details of other embodiments are included in the detailed description and drawings.

As described above, according to the Umbrella basket of the present invention, when the inflow portion into which the stones are introduced has a wide wire interval, large stones can be easily introduced into the basket. In the case of the catch portion in which stones are trapped, Because they can not escape easily out of the basket, stones of various sizes can be extracted at the same time regardless of the size of the stones as a whole.

In addition, since the Umbrella basket structure of the present invention can be completed simply by tying the wires having the basic shape using the shape memory alloy, the manufacturing process is very simple and the manufacturing cost can be reduced.

1 is a schematic view of an endoscope system using an Umbrella basket according to an embodiment of the present invention.
Fig. 2 is a human anatomy showing the endoscope of Fig. 1 inserted into the human body. Fig.
3A is a perspective view of an Umbrella basket according to an embodiment of the present invention.
Figure 3b is a top view of the Umbrella basket of Figure 3a.
4A is a modification of the Umbrella basket of FIG. 3A.
FIG. 4B is a view showing the basic structure of the Umbrella basket of FIG. 4A.
Fig. 5 is an enlarged view of a branch point A in Fig. 4B.
6 is an enlarged view of the connecting portion B of Fig. 4B.
FIG. 7 is a side view illustrating a process of capturing and extracting stones using the Umbrella basket of FIG. 4A. FIG.
8 is a perspective view of an Umbrella basket according to another embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Is provided to fully convey the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

In the present invention, the term "stone" refers to a product in which foreign substances are aggregated and solidified in the body, and includes gallstones produced in the molars, urine produced in the urinary tract, and the like. For the sake of convenience of explanation, the present invention is explained by taking the case of gallstones as an example, but the present invention is not limited thereto and it is obvious that the same principle can be applied to various stones.

The umbrella basket of the present invention and the basket assembly including the same will be described below with reference to the drawings.

1 is a schematic view of an endoscope system using an Umbrella basket according to an embodiment of the present invention. Fig. 2 is a human anatomy showing the endoscope of Fig. 1 inserted into the human body. Fig.

The endoscope system 10 includes an endoscope 40 inserted into the body, a control device 30 that receives imaging information from the endoscope 40 and performs image processing, And a monitor (20) for displaying.

In the present embodiment, a biliary endoscopic or pancreatic endoscopy that performs endoscopic retrograde cholangiopancreatography (ERCP) as the endoscope 40 will be described as an example. The endoscope 40 is provided with a handle 42 for controlling the movement of the endoscope by the hand of a practitioner, an insertion portion 44 connected to the handle 42 to be inserted into the body, And a basket assembly 100 inserted into the tube in the insertion portion 44 through the formed opening and protruding to the distal end of the insertion portion 44.

The endoscope 40 of the present invention can use a sideoscope for observing and examining the duodenum 320, the duodenum head 322, the bile duct 342, the pancreatic duct 332, and the like. That is, in the case where the side view mirror on which the imaging section 46, the illumination section 48, and the tube 130 of the basket assembly 100 are disposed is used as the side of the distal end of the insertion section 44 of the endoscope 40, The tube 130 can be conveniently inserted into the bile duct 342 and the pancreatic duct 332 while observing the distal end 322 in front. After the tube 130 is inserted into the biliary duct 342 or the pancreatic duct 332, the blood is injected into the biliary duct 342 or the pancreatic duct 332, , And tumors.

The basket assembly 100 according to an embodiment of the present invention includes a body 120, a tube 130 connected to one end of the body 120 and inserted into the endoscope insertion portion 44, An Umbrella basket 200 connected to one end of the wire part and protruding to the tip of the tube 130 and connected to the other end of the wire part to connect the wire and the Umbrella basket 200 And a length adjuster 110 that allows back and forth movement.

The working principle of the basic basket assembly 100 is as follows. When the tube 130 is inserted into the place where the stones are positioned, the operator pushes the length adjusting part 110 while holding the body 120 tightly, so that the wire part is also pushed together, so that the Umbrella basket 200 is inserted into the tube 130, Out. In this state, the wires constituting the Umbrella basket 200 are opened. After inserting the stones between the wires, the length adjuster 110 is pulled so as to pull the wires together into the tube 130, so that the Umbrella basket (200) is reduced and the stones are captured and extracted.

3 to 7, the structure of the Umbrella basket according to an embodiment of the present invention will be described in detail. FIG. 3A is a perspective view of an Umbrella basket according to an embodiment of the present invention, and FIG. 3B is a plan view of an Umbrella basket of FIG. 3A. FIG. 4A is a modification of the Umbrella basket of FIG. 3A, and FIG. 4B is a view showing the basic structure of the Umbrella basket of FIG. 4A. FIG. 5 is an enlarged view of the branch point A of FIG. 4B, and FIG. 6 is an enlarged view of the connecting portion B of FIG. 4B. FIG. 7 is a side view illustrating a process of capturing and extracting stones using the Umbrella basket of FIG. 4A. FIG.

Referring to FIGS. 3A and 3B, the Umbrella basket 200 of the present invention is composed of a plurality of wires connecting a start point 210 and an end point 212. The plurality of wires may be formed of a shape memory alloy which deforms at a predetermined temperature into a predefined shape. Thus, when the Umbrella basket 200 is expanded in the body, it can have a structure in which the wire is opened in a form favorable to the stone trapping. The starting point 210 is connected to the end of the wire end inserted in the tube 130. Specifically, the Umbrella basket 200 includes a basic wire group composed of a plurality of basic wires 220 connecting the start point 210 and the end point 212, and a plurality of branch wires 230, 232, and 234, respectively.

The base wire group may be composed of two or more base wires 220, for example, four base wires 220 in this embodiment connect the start point 210 and the end point 212 to form a base wire group 220 . When collecting the stones introduced into the inner space of the Umbrella basket 200, it is necessary to wrap the stones well. In this case, a tension is generated in the Umbrella basket 200. Since the base wire 220 serves as a base support directly connecting the start point 210 and the end point 212, it is possible to prevent the Umbrella basket 200 from being broken at the time of extracting stones by dispersing the tension .

The first branching wire 230 branches from the base wire 220 and extends in the direction of the neighboring base wire 220 from the branch point A located at the middle portion of the base wire 220. [ The second branching wire 232 is branched from the branch point A of the neighboring basic wire 220 and extends in the direction of the first branching wire 230. The first branching wire 230 and the second branching wire 232 are coupled to each other to form a connecting portion B. And a third branching wire 234 is formed to connect the connection portion B and the end point 212. [

Each of the basic wire 220, the first branch wire 230, the second branch wire 232, and the third branch wire 234 may be formed of one wire. In this case, the first branching wire 230 and the second branching wire 232 can be bonded to the base wire 220 by various known methods. The first branching wire 230, the second branching wire 232 and the third branching wire 234 may be connected to each other at the connection portion B by various known methods. For example, the base wire 220 connecting the start point 210 and the end point 212 is formed first, and the Y-shaped first to third branch wires 230, 232, and 234 are connected to the base wire 220, It is possible to complete the Umbrella basket 200 as a whole by joining the branch point A and the end point 212 of the Umbrella basket 200. [

The number of wires constituting the base wire 220, the first branching wire 230, the second branching wire 232, and the third branching wire 234 may vary according to the manufacturing method It can be deformed. For example, referring to FIGS. 4A to 6, the first portion 220a of the basic wire 220 connecting the starting point 210 and the branch point A is formed of a wire bundle in which three wires are combined, The second portion 220b of the basic wire 220 connecting the end point A and the end point 212 may be composed of one wire. Further, the first branch wire 230 and the second branch wire 232 may be formed of one wire, and the third branch wire 234 may be formed of a wire bundle including two wires.

In this modification, the Umbrella basket 200 can be completed through a very simple process. More specifically, referring to one basic wire 220 extending from the starting point 210, one wire bundle, in which the first to third wires extending from the starting point 210 are coupled to each other, 220). It is preferable that two or more such wire bundles, that is, the first portion 220a, are provided. In the branch point A, the first to third wires are separated from each other. The first wire (corresponding to the first branch wire 230) separated from the one wire bundle is connected to the second wire (Corresponds to the second branch wire 232) and the connection portion B and then extends to the end point 212 with one bundle (corresponding to the third branch wire 234). The remaining third wire (corresponding to the second portion 220b of the base wire) connects the break point A and the end point 212 without coupling with another wire.

In the above structure, since the first to third wires are bonded to the start point 210 and the end point 212, the tension formed on the Umbrella basket 200 at the time of extracting stones is dispersed in all the wires, The structural strength of the basket 200 is very high. The first to third wires are simply joined in the longitudinal direction to form the first portion 220a of the base wire 220 and the first and second wires are simply joined in the longitudinal direction to form the third branch wire 234, The Umbrella basket 200 is very easy to manufacture.

Further, in order to further increase the structural strength of the Umbrella basket 200, a bundling member 222 which surrounds the first to third wires constituting the first portion 220a of the base wire 220 at the branch point A is formed . And a bundling member 236 for enclosing the first and second wires constituting the third branching wire 234 in the connection portion B can be formed.

Referring to FIG. 7, the Umbrella basket 200 according to the embodiment of the present invention is divided into two parts based on the branch point A. That is, since a relatively small number of the basic wires 220 (particularly, the first portion) are disposed between the start point 210 and the branch point A (hereinafter referred to as the "inflow portion"), Lt; / RTI > The second portion 220b of the base wire 220 and the first to third branch wires 230, 232 and 234 are tightly connected to each other between the branch point A and the end point 212 It is possible to extract stones of various sizes at once by preventing the arranged small-sized stones from leaking out of the basket.

The Umbrella basket according to another embodiment of the present invention will now be described with reference to FIG. 8 is a perspective view of an Umbrella basket according to another embodiment of the present invention. The embodiment of Fig. 8 is substantially the same as the embodiment of Figs. 3A-7 except for the following.

That is, when the flexible film 400 is placed in the catching portion of the Umbrella basket 200, that is, in the branching wire group (or the branching wire group connecting the branching point A and the ending point 212) The third wire), so that it is possible to extract together the stones of a small size without fail. The flexible film 400 may be made of various known materials.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, You will understand. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

A: Junction B: Connection
10: endoscope system 20: monitor
30: control device 40: endoscope
42: handle portion 44: insertion portion
46: photographing part 48: illuminating part
100: basket assembly 110: length adjuster
120: body 130: tube
200: Umbrella basket 210: Start point
212: terminating point 220: primary wire
220a: first part 220b: second part
222, 236: bundling member 230: first branch wire
232: second branch wire 234: third branch wire
300: absent 310: above
320: duodenum 322: duodenum Tofu
330: pancreas 332: pancreatic duct
340: gallbladder 342: bile duct
350: liver 400: flexible film

Claims (9)

An Umbrella basket comprising a plurality of wires which are receivable in an endoscope tube and which connect a start point and an end point,
The first to third wires are joined to form a single wire bundle and extend from the starting point; Wherein the wire bundle is at least two; The first to third wires are separated from each other at a branch point between the start point and the end point; Said first wire of one wire bundle joining said second wire of a neighboring wire bundle at a connection and then continuing to said end point in one bundle; And the third wire connects the branch point and the end point without coupling with another wire,
Wherein the wire bundle forms a sharp tip at the end point. The method according to claim 1,
Further comprising a bundling member for wrapping the wires passing through the branching point and the connecting portion. The method according to claim 1,
And a flexible film surrounding the first to third wires separated at the branch point. delete delete delete delete delete A tube passing through an endoscope insertion portion inserted into the body;
A wire portion inserted into the tube;
An Umbrella basket according to any one of claims 1 to 3, which is connected to one end of the wire part and protrudes to the tip of the tube; And
And a length adjuster connected to the other end of the wire to control the back and forth movement of the Umbrella basket.
KR1020160030929A 2016-03-15 2016-03-15 Umbrella basket retrieving calculus in a body and basket assembly having the same KR101805296B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200076406A (en) 2018-12-19 2020-06-29 서울대학교병원 Stone basket

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019199126A1 (en) * 2018-04-12 2019-10-17 주식회사 이지엔도서지컬 Calculus removing device and method
WO2019199125A1 (en) * 2018-04-12 2019-10-17 주식회사 이지엔도서지컬 Autonomous endoscopic system and control method therefor
CN111936075A (en) 2018-04-12 2020-11-13 逸吉恩哆股份公司 Self-propelled endoscope system and control method thereof

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JP2005087398A (en) * 2003-09-16 2005-04-07 Olympus Corp Basket type grasping forceps
JP2006187625A (en) * 2004-12-30 2006-07-20 Cordis Corp Tip protecting filter improved in proximity to wall part
US20080208211A1 (en) * 2005-08-15 2008-08-28 Epflex Feinwerktechnik Gmbh Stone Catching Basket Instrument and Method For Producing The Same
JP2015009003A (en) 2013-06-30 2015-01-19 株式会社リバーセイコー Basket holding device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005087398A (en) * 2003-09-16 2005-04-07 Olympus Corp Basket type grasping forceps
JP2006187625A (en) * 2004-12-30 2006-07-20 Cordis Corp Tip protecting filter improved in proximity to wall part
US20080208211A1 (en) * 2005-08-15 2008-08-28 Epflex Feinwerktechnik Gmbh Stone Catching Basket Instrument and Method For Producing The Same
JP2015009003A (en) 2013-06-30 2015-01-19 株式会社リバーセイコー Basket holding device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200076406A (en) 2018-12-19 2020-06-29 서울대학교병원 Stone basket

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