CN217610989U

CN217610989U - Bile duct lifting and cholangioscope implanting guiding device under laparoscope

Info

Publication number: CN217610989U
Application number: CN202221027429.6U
Authority: CN
Inventors: 陈江; 刘敬华; 蒲彰雅; 路春雷
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-10-21
Anticipated expiration: 2032-04-28

Abstract

The utility model discloses a guiding device is put into to bile duct is carried and is drawn and cholangioscope under peritoneoscope, include: the head end part is provided with at least two side parts which can be closed and opened after being pulled, a pulling line is arranged in each side part, each side part is opened outwards relatively under the action of force of the pulling line, a groove is arranged on each side part, and the grooves of the closed side parts form a tubular channel; the tail end fixing part is of a tubular structure connected with the end part of the connector, a through hole for the pulling wire to pass through is formed in the tube wall, and the internal hollow pipeline is communicated with the tubular channel. The utility model makes the placing of the choledochoscope and the diving of the choledochoscope in the bile duct more smooth and convenient, and simplifies the operation process; and through the lifting action of the device, partial structures of bile ducts can be changed, and the use of the choledochoscope is more convenient for complex bile duct stones.

Description

Bile duct lifting and cholangioscope imbedding guiding device under laparoscope

Technical Field

The utility model belongs to the field of medical equipment, especially, relate to a bile duct is carried and is drawn and guiding device is put into to cholangioscope under peritoneoscope.

Background

With the improvement of medical technology level, especially the popularization of laparoscopy technology, hepatobiliary surgery is gradually developed in some primary hospitals, and especially the laparoscopic choledochoscope bile duct calculus extraction operation is a more popular operation mode.

In the actual operation process of probing and removing the stones by using the choledochoscope, the laparoscope pokes and clamps the bile duct to form a large distance, the soft choledochoscope does not have a fulcrum, and in some operating doctors who develop little or have poor proficiency, the implantation of the choledochoscope still has some difficulties, so that the operation progress and the popularization and application of the technology are influenced. In the prior art, patent application with publication number CN112220442A provides a choledochoscope guider in laparoscopy, which relates to the field of medical instruments and comprises a first guide tube, wherein one end of the first guide tube is connected with a second guide tube, a laparoscope poking card is movably sleeved outside the first guide tube, choledochoscopes are respectively communicated inside the first guide tube and the second guide tube, a first thread head is integrally formed at the middle section of the outside of the laparoscope poking card, a limiting cylinder is sleeved on the first thread head, and a limiting plate is fixedly sleeved outside the limiting cylinder; the expansion degree of the cylindrical air bag can be adjusted by a user conveniently according to actual needs through the adjusting assembly, so that the second guide tube is always positioned on the inner wall of the common bile duct, and the intrahepatic and extrahepatic bile ducts are fully expanded.

Patent application with publication number CN208755950U provides a choledochoscope guiding device under peritoneoscope, including the stand pipe, this stand pipe comprises 3 pipeline sections that are linked together in proper order, is the first pipeline section of direction, pipeline section and the last pipeline section of direction in the direction respectively, the pipe orifice end of the first pipeline section of direction is provided with the closing cap that can pass the choledochoscope, and the pipeline section is the passageway that the choledochoscope passed in and out promptly for the passageway of the choledochoscope business turn over for the intraductal passageway of corrugated pipe section stand of flexible deformation in the direction, and the choledochoscope passes in and out from the stand pipe, and this has just avoided the repeatedly friction of choledochoscope and human tissue, has reduced the wearing and tearing of choledochoscope rubber, has improved the life of choledochoscope. However, for some surgeries with abnormal biliary tract anatomical structures and complicated stone removal, the choledochoscope can be more easily submerged in the bile duct by lifting the biliary tract wall, so that the surgery is simplified, and the surgery time and the abdominal transfer probability are reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve this kind of contradiction more rationally, overcome the operation time long, easily arouse other complications, the extravagant problem of medical resource, the utility model provides a bile duct is carried and is drawn and cholangioscope puts into guiding device under peritoneoscope for through carrying draw the bile duct, through expanding the bile duct, stabilize the cholangioscope and put into the route, guide the cholangioscope and put into the apparatus of bile duct.

The application adopts the following specific technical scheme:

a laparoscopic bile duct lifting and cholangioscope implanting guide device, comprising:

the head end part is provided with at least two side parts which can be closed and opened after being pulled, a pulling line is arranged in each side part, each side part is opened outwards relatively under the action of force of the pulling line, a groove is arranged on each side part, and the grooves of the closed side parts form a tubular channel;

the tail end fixing part is of a tubular structure connected with the end part of the connector, a through hole for the pulling wire to pass through is formed in the tube wall, and the internal hollow pipeline is communicated with the tubular channel.

The guiding device of this application can reduce the operation degree of difficulty of putting into the cholangioscope and going into the bile duct in the art under the peritoneoscope, reduces the operation difficulty because of advancing the mirror and arouse, can assist the cholangioscope in the stealthy conduct of bile duct through carrying the cholangioscope simultaneously, makes things convenient for taking out of complicated bile duct calculus, has reduced the operation time, alleviates patient's misery, reduces the medical expense for the patient resumes.

The side portion of the head end portion may be two or more, and when there are more than two side portions, it is more difficult to pull the side portions to be expanded outward by pulling the wire, and therefore, two side portions are generally provided. Preferably, the head end portion includes two elastically deformable side portions, each of which is provided with a magnetic strip, and the tubular structure is closed by magnetic attraction.

In an initial state, each side part is attracted and closed through the magnetic force of the magnetic strip, and after the action of a traction line is received, each side part overcomes the constraint of the magnetic force and is opened outwards; in addition, besides the magnetic strips, other fixing devices with small interaction force, such as buckles and the like, can also be adopted.

Preferably, the magnetic strips are one or more of arranged on opposite sides of each side, the magnetic strips on both sides creating a magnetic attraction to close.

One or more magnetic strips can be selected according to the sizes of the magnetic strips, and the two magnetic strips which interact with each other correspond to each other in position and are provided with similar abutting surfaces, so that each side part of the head end part has enough binding force after being closed.

In order to reduce the resistance of the guiding device entering the bile duct, the head part of the head end part is preferably hemispherical or semi-elliptical, the surface is smooth or slightly rough, the end part of the traction line is fixed at the middle and outer side of the head part, and the side parts can be pulled to be expanded outwards more easily by the traction line.

Preferably, the puller wire in each side portion is attached at a point after passing through the trailing end fixing portion. Namely, the head end part consists of two side parts, and two ends of the same pulling wire are respectively connected in the two side parts; the same traction line is pulled, and the two side parts at the head end are outwards opened at the same time, so that the operation is more convenient.

Selecting a guide device with a corresponding size according to different patients; preferably, the diameter of the head end part is 5-15 mm, and a plurality of openings which are suitable for deformation are arranged at intervals on the outer side of each side part; the opening provides sufficient space for deformation of the side portion.

Preferably, the length of the tail end fixing part is 2-10 cm, the diameter is 5-15 mm, and hard plastics or elastic materials are adopted.

In order to prevent the gas from flowing out, it is preferable that the end of the fixed end portion of the tail end is provided with a one-way sealing valve for closing the hollow pipe inside the tubular structure.

The utility model has the advantages that: in the operation of incision of the laparoscope common bile duct for removing the calculus, the use of the device can ensure that the placement of the choledochoscope and the diving of the choledochoscope in the bile duct are smoother and more convenient, and the operation process is simplified; and through the lifting action of the device, partial structures of bile ducts can be changed, and the use of the choledochoscope is more convenient for complex bile duct stones. Through the assistance of the device, the operation difficulty of putting the choledochoscope into the bile duct in the laparoscopic surgery can be reduced, the operation difficulty caused by the endoscope entering is reduced, meanwhile, the choledochoscope can be assisted to dive in the bile duct by lifting the choledochoscope, the complicated bile duct stone can be taken out conveniently, the operation time is shortened, the pain of a patient is relieved, the medical cost is reduced, and the recovery of the patient is accelerated.

Drawings

Fig. 1 is a schematic structural view of the side view (not in use) of the overall structure of the present invention.

Fig. 2 is a schematic view of the longitudinal cutting structure of the middle shaft of the whole structure (not in use) of the present invention.

Fig. 3 is a schematic view of the longitudinal cutting structure of the middle shaft of the middle overall structure (in use state).

Fig. 4 is a schematic cross-sectional view of the middle head end structure (open junction) of the present invention.

Fig. 5 is a schematic diagram of a transverse cutting structure of the middle head end structure (opening) of the present invention.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and the present invention is not limited to the specific embodiments disclosed below. The terms "upper", "lower", "left" and "right" used herein are defined with reference to the accompanying drawings, and it is to be understood that the above-described terms do not limit the scope of the present invention.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 5, a laparoscopic bile duct pulling and choledochoscope implanting guide device includes:

the head end part 1 is provided with at least two side parts 4 (and side parts 6) which can be closed and opened after being pulled, a pulling wire 3 is arranged in each side part, each side part 4 is opened outwards relatively under the stress of the pulling wire 3, a groove 5 is arranged on each side part 4, and the grooves 5 formed after the side parts 4 are closed are spliced into a tubular channel 7;

the tail end fixing part 2 is of a tubular structure connected with the head end part, a through hole (a through hole 12 with the head end part) for the pulling and pulling line to pass through is formed in the tube wall, and an internal hollow pipeline is communicated with the tubular channel 7.

The head end part 1 of the embodiment is a single-layer perforated circular tubular structure which is closed and pulled by magnetic attraction, the material comprises plastics, high polymer materials and the like, the head end part is transparent or semitransparent, the tail end of the device is provided with two semi-elliptical structures taking the central axis of the device as the center, and the attachment point of the pulling line 3 is the middle and outer sides of the semi-elliptical structures. As shown in figure 4, the two sides of the round tubular structure are magnetic strips 11, the tubular structure is closed by magnetic attraction, the tubular structure between the two magnetic strips on the opposite sides is provided with a regular opening 8, the structure is shown in figure 5, and a pull wire 3 passes through the middle of the opening 8 and is sequentially connected with a tail end fixing part which is described later.

The tail end fixing part 2 is a tubular structure connected with the head end part 1, two small hole structures at opposite sides are arranged in the pipe wall, a traction line 3 from the head end passes through the hole (the same through hole 12), the traction lines 3 at two sides are combined into a whole at the tail end of the tubular structure, and an elastic or non-elastic fixing device can be arranged for stabilizing the traction line; the material can be hard plastics and high molecular material with certain elasticity. The inner hollow pipe 9 is provided with a one-way sealing valve at the end 10 near the tail end, which can seal the air and prevent the air from flowing out.

The head part is a circular or oval structure, the two sides of the device are magnetic stripes 11 with two closed magnetic poles, the middle part is a semicircular or semi-oval structure with a square opening 8, each part is an elastic and bendable structure, the surface is smooth or slightly rough, the diameter is 5-15 mm, the structure can be elastic and bendable high polymer materials, plastic, silica gel and the like, and the toughness is certain; the pulling wire 3 is made of rigid, silk thread and other linear materials and can bear certain pulling force.

The length of the tail end fixing part 2 is 2-10 cm, the diameter is 5-15 mm, the tail end fixing part can be made of high polymer, hard plastic or other materials with certain elasticity, the pull line can be used for leading the head end sequentially, and the head end structure can be stabilized in a poking clamp of a laparoscope or the poking clamp of the laparoscope can be replaced to be stabilized in the abdominal wall.

In another embodiment, a method of using a laparoscopic bile duct pull and choledochoscope insertion guide, comprises: the instrument is a stable hollow composite structure formed by combining two parts in a closed state, in the using process, a laparoscope poking card or a poking card replacing the laparoscope enters the abdominal cavity, the head end part 1 is close to and placed in an incision of a common bile duct in the closed state, the head end is separated from the constraint of a magnetic stripe and is opened towards two sides under the action of a traction line (as shown in figure 3), the device enters biliary ducts on two sides of the incision of the bile duct by inwards propelling the device and gradually pulling the traction line, the required length is opened according to the requirement, the length of the device extending into the bile duct is fixed through the fixation of the tail end traction line, the wall of the bile duct can be lifted by the opened device, and the width and the structure of the bile duct are changed to a certain degree. The choledochoscope is arranged in the bile duct through a tubular structure at the center of the device, and the choledochoscope is used for probing the upper end and the lower end of the bile duct under the stability of the device and taking out the calculus. After the use is finished, the choledochoscope is removed, the fixed traction line is loosened, the whole device is loosened, and the device is taken out from the bile duct.

The above description is only exemplary of the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the present invention.

Claims

1. A bile duct pulling and cholangioscope imbedding guide device under a laparoscope is characterized by comprising:

the head end part is provided with at least two side parts which can be closed and opened after being pulled, a pulling line is arranged in each side part, each side part is relatively opened outwards under the action of force applied to the pulling line, a groove is arranged on each side part, and the grooves of the closed side parts form a tubular channel;

the tail end fixing part is of a tubular structure connected with the end part of the connector, a through hole for the pulling wire to pass through is formed in the tube wall, and an internal hollow pipeline is communicated with the tubular channel.

2. The laparoscopic bile duct lifting and cholangioscope implanting guide device according to claim 1, wherein the head portion comprises two side portions having elasticity and being deformable, and magnetic strips are installed on both the side portions to close the tubular structure by magnetic attraction.

3. The laparoscopic bile duct lifting and cholangioscope introduction guide device of claim 2, wherein said magnetic strips are one or more arranged on opposite sides of each side, the magnetic strips on both sides creating a magnetic attraction closure.

4. The laparoscopic bile duct lifting and choledochoscope implanting guide device as claimed in claim 1, wherein the head of the head end portion is a semispherical shape or a semi-elliptic shape, and the end of the pulling wire is fixed at the medial and lateral sides of the head.

5. The laparoscopic bile duct lifting and cholangioscope imbedding guide device of claim 4, wherein the pulling wire in each side portion is attached at a point after passing through the tail end fixing portion.

6. The laparoscopic bile duct lifting and cholangioscope implanting guide device of claim 1, wherein the head portion is composed of two side portions, and both ends of the same pulling wire are respectively connected in the two side portions.

7. The laparoscopic bile duct lifting and cholangioscope implanting guide device of claim 1, wherein the head end portion has a diameter of 5 to 15mm, and a plurality of openings adapted to be deformed are provided at intervals outside each side portion.

8. The laparoscopic bile duct lifting and cholangioscope imbedding guide device according to claim 1, wherein the length of the fixed portion of the tail end is 2-10 cm, the diameter is 5-15 mm, and the fixed portion is made of hard plastic or elastic material.

9. The laparoscopic bile duct lifting and cholangioscope imbedding guide device according to claim 1, wherein a one-way sealing valve is installed at the end of the tail end fixing part for closing a hollow pipe inside the tubular structure.