CN216985880U

CN216985880U - Connecting pipe for hemodialysis extracorporeal circulation pipeline and blood vessel access

Info

Publication number: CN216985880U
Application number: CN202123413656.0U
Authority: CN
Inventors: 牛洪艳; 刘金凤; 祝喜鹰
Original assignee: First Peoples Hospital of Changzhou
Current assignee: First Peoples Hospital of Changzhou
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-19
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a connecting pipe for a hemodialysis extracorporeal circulation pipeline and a blood vessel passage, which relates to the technical field of medical devices and adopts the technical scheme that: the blood circulation blood transfusion device comprises a main body mechanism, one side of the main body mechanism is provided with a bundling mechanism, the main body mechanism comprises a protective outer tube, one end of the protective outer tube is connected with a second through tube, the middle part of the second through tube is connected with a fixed tube, and the fixed tube and a rubber plug are arranged, so that in the using process, medical workers can perform blood drawing and medicine injection operations on the circulating blood in the fixed tube through the rubber plug, the use of users is facilitated, and the fixed tube can be fixed in a certain position through the adhesive sticker by arranging the adhesive sticker, so that the blood circulation blood transfusion device can be stably connected and is not easy to fall off.

Description

Connecting pipe for hemodialysis extracorporeal circulation pipeline and blood vessel access

Technical Field

The utility model relates to the technical field of medical devices, in particular to a connecting pipe for a hemodialysis extracorporeal circulation pipeline and a blood vessel passage.

Background

Hemodialysis is one of the kidney replacement treatment modes of acute and chronic renal failure patients, and is characterized in that blood in vivo is drained to the outside of the body and passes through a dialyzer consisting of a plurality of hollow fibers, the blood and electrolyte solution (dialysate) with similar body concentration are arranged inside and outside one hollow fiber, and substance exchange is carried out by the principles of dispersion, ultrafiltration, adsorption and convection, so that metabolic waste in the body is removed, and the balance of electrolyte and acid-base is maintained; at the same time, the excess water in the body is removed, and the whole process of purified blood reinfusion is called hemodialysis.

However, in the actual use process, during hemodialysis, the phenomenon that an arm at the side of an arteriovenous internal fistula is not positioned at one side of a dialysis machine or a pipeline is too short when the dialysis machine is connected with a patient is often caused, so that an extracorporeal circulation pipeline cannot be connected with an arteriovenous end of a vascular access or is connected too tightly, and particularly for obese patients, the patients are inconvenient to turn over and move, and the risk that the pipeline and a puncture needle slip exists.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems mentioned in the background technology, the utility model aims to provide a connecting pipe for a hemodialysis extracorporeal circulation pipeline and a blood vessel passage, so as to solve the problem that when hemodialysis is mentioned in the background technology, the phenomenon that an arm at the side of an arteriovenous internal fistula is not positioned at one side of a dialysis machine or the pipeline is too short when the dialysis machine is connected with a patient often exists, the extracorporeal circulation pipeline cannot be connected with an arteriovenous end of the blood vessel passage or is connected too tightly, particularly for obese patients, the patient has inconvenient turning over activities, and the risk that the pipeline and a puncture needle slip off exists.

The technical purpose of the utility model is realized by the following technical scheme:

the utility model provides a hemodialysis extrinsic cycle pipeline and vascular access's connecting pipe, includes main body mechanism, one side of main body mechanism is provided with the mechanism of restrainting, main body mechanism is including the protection outer tube, the one end of protection outer tube is connected with the second siphunculus, the middle part of second siphunculus is connected with fixed pipe, the top of fixed pipe is provided with the intercommunication chamber, the internal connection in intercommunication chamber has the rubber buffer, the inside in intercommunication chamber and the inside intercommunication of second siphunculus.

By adopting the technical scheme, in the using process of the blood circulation transfusion device, medical staff can draw blood and inject medicine into the fixing tube through the rubber plug, the use of a user is facilitated, the fixing tube can be fixed at a certain position through the adhesive sticker by the arrangement of the adhesive sticker, so that the blood circulation transfusion device can be stably connected and is not easy to fall off, and after the two ends of the blood circulation transfusion device are connected with an extracorporeal circulation pipeline and a blood vessel access, a hemodialysis pipeline is prolonged and is more convenient to connect with the blood vessel access.

Preferably, the other end of the protective outer pipe is connected with a first through pipe, the outer wall of the first through pipe is connected with a fixed sleeve, one side of the fixed sleeve is provided with a rubber ring, and one side of the rubber ring is provided with a round end joint.

By adopting the technical scheme, the utility model can be better connected through the arrangement of the fixed sleeve.

Preferably, the inside of the round end joint is provided with a connecting bin, the inner wall of the connecting bin is fixedly connected with an access pipe, the outer wall of the access pipe is movably connected with the inner wall of the first through pipe, and the outer wall of the rubber ring is movably connected with the inner wall of the connecting bin.

Through adopting above-mentioned technical scheme for the inner wall of connecting the storehouse is spacing through the inner wall of rubber ring to connecting the storehouse after the outer wall connection of first siphunculus, avoids circle end joint and first siphunculus to drop.

Preferably, a circulation inner pipe is arranged inside the protection outer pipe, a vacuum cavity is arranged between the circulation inner pipe and the protection outer pipe, and the insides of the first through pipe and the second through pipe are communicated with the insides of the circulation inner pipes.

By adopting the technical scheme, the arrangement of the protective outer pipe and the vacuum cavity ensures that the outside of the circulation inner pipe is protected to a certain extent, so that the inside of the circulation inner pipe is not easy to damage.

Preferably, the bottom surface of the fixed pipe is fixedly connected with a fixed plate, the bottom surface of the fixed plate is fixedly connected with two bonding pastes, and the number of the bonding pastes is two.

By adopting the technical scheme, the fixing pipe can be fixed at a certain position by being adhered by the adhesive, so that the fixing pipe can be stably connected and is not easy to fall off.

Preferably, one end of the second through pipe is movably connected with a tip joint.

Through adopting above-mentioned technical scheme, utilize sharp-end joint can conveniently be connected with hemodialysis pipeline's port.

In summary, the utility model mainly has the following beneficial effects:

through the arrangement of the fixing tube and the rubber plug, medical staff can draw blood and inject medicine into the circulating blood in the fixing tube through the rubber plug in the using process of the blood transfusion tube, the use of a user is facilitated, the fixing tube can be fixed at a certain position through the adhesive sticker through the arrangement of the adhesive sticker, so that the blood transfusion tube can be stably connected and is not easy to fall off, after the two ends of the blood transfusion tube are connected with an extracorporeal circulation pipeline and a blood vessel passage, the blood dialysis pipeline is prolonged and is more convenient to connect with the blood vessel passage, through the arrangement of the connecting plate and the clamping groove, the peripheral connecting tubes can be clamped and fixed through the clamping groove in the using process, so that the connecting tubes can be orderly placed, and managers can conveniently manage the connecting tubes.

Drawings

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

FIG. 2 is a schematic bottom perspective view of the present invention;

fig. 3 is a partial internal structural sectional view of the present invention.

Reference numerals: 1. a main body mechanism; 11. a protective outer tube; 12. a first through pipe; 121. fixing a sleeve; 122. a rubber ring; 123. a round end fitting; 124. a connecting bin; 125. introducing a pipe; 13. a second pipe; 14. a tip adaptor; 15. a fixed tube; 151. a fixing plate; 152. a communicating cavity; 153. a rubber plug; 154. sticking; 16. a flow-through inner tube; 17. a vacuum chamber; 2. a bundling mechanism; 21. a movable sleeve; 22. a connecting plate; 23. a clamping groove.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1, 2 and 3, a connecting tube for a hemodialysis extracorporeal circulation pipeline and a blood vessel access comprises a main body mechanism 1 and a bundling mechanism 2, the bundling mechanism 2 is arranged on one side of the main body mechanism 1, the main body mechanism 1 comprises a protective outer tube 11, a first through tube 12, a second through tube 13, a tip end joint 14, a fixing tube 15, a circulation inner tube 16 and a vacuum chamber 17, the first through tube 12 is connected to one end of the protective outer tube 11, one side of the first through tube 12 is provided with a fixing sleeve 121, a rubber ring 122, a round end joint 123, a connecting bin 124 and an access tube 125, the connecting bin 124 is arranged inside the round end joint 123, the access tube 125 is connected inside the connecting bin 124, the rubber ring 122 is fixedly connected to the outer wall of the first through tube 12, so that after the inner wall of the connecting bin 124 is connected to the outer wall of the first through tube 12, the inner wall of the connecting bin 124 is limited by the rubber ring 122 to prevent the round end joint 123 from falling off from the first through tube 12, the fixing sleeve 121 is arranged on one side of the rubber ring 122, the second tube 13 is connected to the other end of the protection outer tube 11, the circulation inner tube 16 is arranged inside the protection outer tube 11, the vacuum chamber 17 is arranged between the circulation inner tube 16 and the protection outer tube 11, the exterior of the circulation inner tube 16 is protected to a certain extent by the arrangement of the protection outer tube 11 and the vacuum chamber 17, so that the interior of the circulation inner tube 16 is not easily damaged, the tip joint 14 is movably connected to one end of the second tube 13, the fixing tube 15 is connected to the middle of the second tube 13, one side of the second tube 13 is provided with the fixing plate 151, the communicating chamber 152, the rubber plug 153 and the bonding paste 154, the fixing plate 151 is fixedly connected to the bottom surface of the fixing tube 15, the bonding paste 154 is fixedly connected to the bottom surface of the fixing plate 151, the communicating chamber 152 is arranged at the top of the fixing tube 15, the rubber plug 153 is connected to the interior of the communicating chamber 152, through the arrangement of the fixing tube 15 and the rubber plug 153, in the using process of the utility model, medical staff can draw blood and inject medicine into the blood circulating inside the fixed tube 15 through the rubber plug 153, which is convenient for users to use, and the fixed tube 15 can be fixed by sticking the adhesive 154 on a certain position through the arrangement of the adhesive 154, so that the utility model can be stably connected and is not easy to fall off.

Referring to fig. 1 and 2, the tightening mechanism 2 includes a movable sleeve 21, the movable sleeve 21 is movably sleeved on the outer wall of the protective outer tube 11, a connecting plate 22 is fixedly connected to the outer wall of one side of the movable sleeve 21, a through slot 23 is formed in the outer wall of the connecting plate 22, and the connecting plate 22 and the slot 23 are arranged, so that the peripheral connecting tubes can be clamped and fixed through the slot 23 in the using process of the tightening mechanism, the connecting tubes can be orderly placed, and managers can conveniently manage the connecting tubes.

The working principle is as follows: referring to fig. 1, 2 and 3, when in use, the round end connector 123 and the tip end connector 14 are connected with an extracorporeal circulation pipeline and a blood vessel passage, and blood flows through the inside of the circulation inner tube 16, in the use process of the present invention, medical staff can perform operations of blood drawing and drug injection on the blood circulating inside the fixed tube 15 through the rubber plug 153, which is convenient for users to use, and through the arrangement of the adhesive sticker 154, the fixed tube 15 can be fixed by being stuck on a certain position through the adhesive sticker 154, so that the present invention can be stably connected and not easy to fall off, after the two ends of the present invention are connected with the extracorporeal circulation pipeline and the blood vessel passage, the hemodialysis pipeline is prolonged, which is more convenient to connect with the blood vessel passage, in the use process of the present invention, the peripheral connecting tubes can be clamped and fixed through the clamping grooves 23, so that the connecting tubes can be orderly placed, thereby make the managers convenient manage the connecting pipe.

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

1. The utility model provides a hemodialysis extrinsic cycle pipeline and connecting pipe of vascular route, includes main body structure (1), its characterized in that: one side of main part mechanism (1) is provided with binding mechanism (2), main part mechanism (1) is including protection outer tube (11), the one end of protection outer tube (11) is connected with second siphunculus (13), the middle part of second siphunculus (13) is connected with fixed pipe (15), the top of fixed pipe (15) is provided with intercommunication chamber (152), the internal connection of intercommunication chamber (152) has rubber buffer (153), the inside of intercommunication chamber (152) and the inside intercommunication of second siphunculus (13).

2. The connection tube for hemodialysis extracorporeal circulation circuit and blood vessel access according to claim 1, wherein: the other end of protection outer tube (11) is connected with first siphunculus (12), the outer wall of first siphunculus (12) is connected with fixed cover (121), one side of fixed cover (121) is equipped with rubber ring (122), one side of rubber ring (122) is provided with round end joint (123).

3. The connection tube for the hemodialysis extracorporeal circulation circuit and the blood vessel access of claim 2, wherein: the inside of circle end connection (123) is provided with connects storehouse (124), the inner wall fixedly connected with who connects storehouse (124) lets in pipe (125), the outer wall that lets in pipe (125) and the inner wall swing joint of first siphunculus (12), the outer wall of rubber ring (122) and the inner wall swing joint who is connected storehouse (124).

4. The connection tube for the hemodialysis extracorporeal circulation circuit and the blood vessel access according to claim 2, wherein: the inside of protection outer tube (11) is provided with circulation inner tube (16), be provided with vacuum cavity (17) between circulation inner tube (16) and protection outer tube (11), the inside of first siphunculus (12) and second siphunculus (13) and the inside intercommunication of circulation inner tube (16).

5. The connection tube for hemodialysis extracorporeal circulation circuit and blood vessel access according to claim 1, wherein: the bottom surface fixedly connected with fixed plate (151) of fixed pipe (15), the bottom surface fixedly connected with of fixed plate (151) pastes (154), the quantity of pasting (154) is provided with two.

6. The connection tube for hemodialysis extracorporeal circulation circuit and blood vessel access according to claim 1, wherein: one end of the second through pipe (13) is movably connected with a tip joint (14).