CN209967185U

CN209967185U - Drainage device convenient to disassemble and assemble

Info

Publication number: CN209967185U
Application number: CN201920393040.5U
Authority: CN
Inventors: 钱云鹏; 崔益兵
Original assignee: Jiangsu Grit Medical Technology Co Ltd
Current assignee: Jiangsu Grit Medical Technology Co Ltd
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2020-01-21
Anticipated expiration: 2029-03-26

Abstract

The utility model provides a make things convenient for drainage device of dismouting, connect including first joint and second, be equipped with the L shape groove with the annular chamber intercommunication on the first joint outer wall, the L shape groove includes guide part and fixed part, the guide part lower extreme is located to the fixed part perpendicular with the guide part, the annular chamber endotheca is equipped with the torsional spring, torsional spring lower extreme and annular chamber bottom fixed connection, the torsional spring upper end is supported and is located one side that the guide part was kept away from to the fixed part, the second connects the axial and is equipped with the through-hole, the through-hole interpolation is equipped with the second drainage tube, the second connects the macropore cooperation of lower extreme and shoulder hole, the second connects the outside be equipped with fixed part complex gag lever post, the gag lever post axis connects radial setting along the second, the gag. The utility model provides a pair of make things convenient for drainage device of dismouting adopts first joint and second to connect the intercommunication that realizes first drainage tube and second drainage tube, connects fast firm, and can not appear leaking, guarantees that drainage work is effectual going on fast.

Description

Drainage device convenient to disassemble and assemble

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a drainage device convenient to disassemble and assemble.

Background

With the continuous development of endoscope technology and the continuous improvement of accessories thereof, the ERCP is an important measure for treating liver, gall and pancreas diseases, including choledocholithiasis, bile duct injury, bile duct stenosis, biliary tract complications after liver transplantation and the like. Compared with the traditional laparotomy, the technique has the advantages of small wound, high safety factor, quick recovery and the like.

Although the ERCP treatment of the hepatobiliary pancreas disease has the advantages, certain complications exist, wherein pancreatitis, cholangitis and hemorrhage are three complications after ERCP operation. The complications often significantly increase the treatment cost, prolong the hospitalization time, bring great pain to the patients, and have a certain mortality rate. Clinically, to reduce the incidence of complications after ERCP surgery, biliary drainage tubes are placed in the bile duct post-operatively.

During the drainage in the bile duct, bile drainage is carried out to the bile in the bile duct is located to the biliary tract drainage tube, and the nose bile duct is used for passing the nasal cavity after and is connected with the biliary tract drainage tube, among the prior art, all sets up attach fitting on biliary tract drainage tube and the nose bile duct, and attach fitting passes through the screw thread and realizes connecting, because attach fitting is the working of plastics, the smooth silk appears in the screw thread easily, in case the smooth silk appears and leads to the attach fitting split difficulty, will increase patient's misery.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: in order to overcome the defects in the prior art, the utility model provides a drainage device which is convenient to disassemble and assemble.

The utility model provides a technical scheme that its technical problem will adopt is: a drainage device convenient to disassemble and assemble comprises a first joint and a second joint, wherein a stepped hole is formed in the first joint in the axial direction, a first drainage tube is inserted into a small hole of the stepped hole, an annular cavity is formed in the upper end of the side wall of the first joint in the circumferential direction, an L-shaped groove communicated with the annular cavity is formed in the outer wall surface of the first joint, the L-shaped groove comprises a guide part and a fixing part, the axis of the guide part is parallel to the axis of the first joint, the fixing part is arranged at the lower end of the guide part and is vertical to the guide part, a torsional spring is sleeved in the annular cavity, the lower end of the torsional spring is fixedly connected with the bottom of the annular cavity, the upper end of the torsional spring is abutted to one side of the fixing part, which is far away from the guide part, a protective layer is coated on the torsional spring, a through hole is axially formed in the second, the second connects the outside be equipped with fixed part complex gag lever post, the gag lever post axis is followed the second connects radial setting, the gag lever post afterbody pass through the connecting rod with the second connects upper end lateral wall fixed connection.

The first drainage tube is used for drainage of bile in the biliary tract, the second drainage tube is used for passing through the nasal cavity as a nasal bile duct, the first joint is used for being connected with the first drainage tube, the second joint is used for being connected with the second drainage tube, the annular cavity is used for placing a torsion spring, the lower end of the torsion spring is fixedly connected with the bottom of the annular cavity, the position of the torsion spring in the annular cavity is fixed, the upper end of the torsion spring is highly fixed, the upper end of the torsion spring is abutted against one side of the fixing part, which is far away from the guide part, under the action of self elasticity, on one side of the fixing part, the lower end of the second joint is matched with the large hole of the stepped hole, the second joint is inserted into the first joint, the connecting rod moves in the annular cavity during insertion, the limiting rod needs to slide in along the guide part, when the limiting rod is close to the fixing part, the upper end of the, therefore, the first joint and the second joint are tightly connected and cannot be loosened, and the torsional spring is coated with the protective layer to prevent the torsional spring from scratching hands when being used for shifting the torsional spring.

Further, in order to ensure that the joint of the first joint and the second joint cannot be leaked, a sealing ring is arranged at the bottom of the large hole of the stepped hole.

The utility model has the advantages that: the utility model provides a pair of make things convenient for drainage device of dismouting adopts first joint and second to connect the intercommunication that realizes first drainage tube and second drainage tube, connects fast firm, and can not appear leaking, guarantees that drainage work is effectual going on fast.

Drawings

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

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

fig. 2 is an assembly diagram of the preferred embodiment of the present invention.

In the figure: 1. first joint, 2, second connect, 3, shoulder hole, 4, annular chamber, 5, guide part, 6, fixed part, 7, torsional spring, 8, gag lever post, 9, connecting rod, 10, through-hole.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

As shown in figures 1-2, the drainage device convenient for disassembly and assembly of the present invention comprises a first joint 1 and a second joint 2, wherein the first joint 1 is provided with a stepped hole 3 along the axial direction, the bottom of the large hole of the stepped hole 3 is provided with a sealing ring, a first drainage tube is inserted into the small hole of the stepped hole 3, the upper end of the side wall of the first joint 1 is provided with an annular cavity 4 along the circumferential direction, the outer wall surface of the first joint 1 is provided with an L-shaped groove communicated with the annular cavity 4, the L-shaped groove comprises a guiding part 5 and a fixing part 6, the axis of the guiding part 5 is parallel to the axis of the first joint 1, the fixing part 6 is arranged at the lower end of the guiding part 5 and is perpendicular to the guiding part 5, the annular cavity 4 is internally sleeved with a torsion spring 7, the lower end of the torsion spring 7 is fixedly connected with the bottom of the annular cavity 4 to ensure that the position of the torsion spring 7 is fixed, the cladding has the rubber protection layer on the torsional spring 7, 2 axial of second joint are equipped with through-hole 10, the interpolation of through-hole 10 is equipped with the second drainage tube, 2 lower extremes of second joint with the macropore cooperation of shoulder hole 3, 2 outsides of second joint be equipped with 6 complex gag lever post 8 of fixed part, 8 axes of gag lever post are followed 2 radial settings of second joint, 8 afterbody of gag lever post pass through connecting rod 9 with 2 upper end lateral wall fixed connection of second joint.

The working principle is as follows:

the position of the limiting rod 8 corresponds to the position of the guide part 5, when the second joint 2 is inserted into the first joint 1, the limiting rod 8 slides along the guide part 5 to be close to the direction of the fixing part 6, a worker pulls out the upper end of the torsion spring 7 to open the fixing part 6, the limiting rod 8 enters the fixing part 6 and then rotates the second joint 2, the limiting rod 8 rotates to one end, away from the guide part 5, of the fixing part 6, the upper end of the torsion spring 7 is loosened, the upper end of the torsion spring 7 tightly presses the limiting rod 8 to one end, away from the guide part 5, of the fixing part 6 under the action of self elasticity, and therefore the first joint 1 and the second joint 2 are tightly connected and cannot be loosened;

when the first joint 1 and the second joint 2 need to be separated, a person can hold the torsion spring 7 to open the fixing part 6, rotate the second joint 2 to enable the limiting rod 8 to approach towards the direction of the guide part 5, and then enable the limiting rod 8 to be pulled out upwards along the guide part 5, so that the first joint 1 and the second joint 2 are separated.

Directions and references (e.g., up, down, left, right, etc.) in the present disclosure may be used solely to aid in the description of the features in the figures. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.

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 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. The utility model provides a make things convenient for drainage device of dismouting which characterized in that: including first joint (1) and second joint (2), first joint (1) is equipped with shoulder hole (3) along the axial, the aperture interpolation of shoulder hole (3) is equipped with first drainage tube, first joint (1) lateral wall upper end is equipped with annular chamber (4) along circumference, be equipped with the L shape groove with annular chamber (4) intercommunication on the first joint (1) outer wall, the L shape groove includes guide part (5) and fixed part (6), guide part (5) axis with first joint (1) axis is parallel, fixed part (6) are located guide part (5) lower extreme is perpendicular with guide part (5), annular chamber (4) endotheca is equipped with torsional spring (7), torsional spring (7) lower extreme with annular chamber (4) bottom fixed connection, torsional spring (7) upper end is supported and is located fixed part (6) keep away from one side of guide part (5), the cladding has the protective layer on torsional spring (7), second joint (2) axial is equipped with through-hole (10), through-hole (10) interpolation is equipped with the second drainage tube, second joint (2) lower extreme with the macropore cooperation of shoulder hole (3), the second joint (2) outside be equipped with fixed part (6) complex gag lever post (8), gag lever post (8) axis is followed second joint (2) radially sets up, gag lever post (8) afterbody pass through connecting rod (9) with second joint (2) upper end lateral wall fixed connection.

2. The easy-to-disassemble drainage device according to claim 1, wherein: and a sealing ring is arranged at the bottom of the large hole of the stepped hole (3).