CN-121987878-A - Membrane oxygenator and blood reservoir assembly structure

CN121987878ACN 121987878 ACN121987878 ACN 121987878ACN-121987878-A

Abstract

The invention provides an assembly structure of a membrane type oxygenator and a blood reservoir, which belongs to the technical field of medical equipment and comprises a blood reservoir body and a membrane type oxygenator body, wherein the bottom of the blood reservoir body is fixedly connected with an upper butt joint pipe in a penetrating manner, the top of the membrane type oxygenator body is fixedly connected with a lower butt joint pipe in a penetrating manner, the bottom of the upper butt joint pipe is provided with a plugging piece, and the plugging piece is connected with the lower butt joint pipe through the assembly piece. The invention solves the problems that the prior membrane type oxygenator and blood reservoir assembly structure is assembled in a threaded connection mode, the assembly mode cannot ensure the leak-proof function of the butt joint part, once the leakage occurs, the normal work between the membrane type oxygenator and the blood reservoir cannot be ensured, the butt joint can be completed by repeated rotation, and the use is inconvenient.

Inventors

LIU RIDONG
PAN ZIYANG
SHA YIFAN
XUE QING
MENG YING

Assignees

无锡赛腾医疗科技有限公司

Dates

Publication Date: 20260508
Application Date: 20260317

Claims (8)

1. The membrane type oxygenator and blood reservoir assembly structure comprises a blood reservoir body and a membrane type oxygenator body, wherein the bottom of the blood reservoir body is fixedly connected with an upper butt joint pipe in a penetrating manner, and the top of the membrane type oxygenator body is fixedly connected with a lower butt joint pipe in a penetrating manner; the assembly part comprises a first butt joint part and a second butt joint part, wherein the first butt joint part comprises a first connecting end and a first assembling channel which are communicated with each other, and the second butt joint part comprises a second assembling channel and a second connecting end which are communicated with each other, and the second connecting end is communicated with the lower butt joint pipe; One side of the second assembly channel is embedded into the first assembly channel and can be detachably connected with the first assembly channel; A leakage-proof unit is arranged in the first assembly channel, and the leakage-proof unit comprises a leakage-proof ring II; The second assembly channel is embedded into the first assembly channel, the inner wall of the second leakage prevention ring is rotationally pressed to be folded, and then the second assembly channel is tightly contacted with the outer surface of the first assembly channel to realize leakage prevention, and the second leakage prevention ring is internally provided with a hollow framework; The first outer wall of the assembly channel is provided with an embedding unit connected with the second stop position of the assembly channel, the embedding unit comprises a rotating cylinder and a stop cylinder, the embedding unit also comprises a rotating opening arranged on the first outer wall of the assembly channel and close to one side of the second assembly channel, the middle hoop of the rotating opening is connected with a rotating ring, one side of the rotating ring is provided with a second spiral beryllium copper wire fixedly connected with the rotating opening, and the outer surface hoop of the rotating opening is connected with the rotating cylinder; Constraint bosses which are embedded with the outer surface of the rotating opening are arranged on the inner surface of the rotating cylinder at equal intervals, a constraint opening II which is matched with the constraint bosses is arranged on the outer surface of the rotating opening, the diameter of the outer peripheral surface of the first assembling channel is smaller than that of the inner peripheral surface of the rotating cylinder, an embedding seat is arranged on one side of the rotating ring, which is close to the second assembling channel, at equal intervals, a through hole for rotating the embedding seat is reserved on the outer surface of the first assembling channel, a stop cylinder is hooped on the outer surface of one side, which is close to the second connecting end, of the second assembling channel, and a stop opening which is matched with the embedding seat is reserved on one side of the stop cylinder at equal intervals.
2. The assembly structure of a membrane oxygenator and a blood reservoir of claim 1 wherein the leakage prevention unit further comprises a leakage prevention port I arranged in the first assembly channel and close to one side of the connecting end I, and a leakage prevention ring I is arranged in the leakage prevention port I, wherein an inner wall of the leakage prevention ring I is in tight contact with an outer wall of the second assembly channel.
3. The assembly structure of a membrane oxygenator and blood reservoir as claimed in claim 1, wherein the leakage preventing unit further comprises guide openings which are reserved in the first assembly channel at equal intervals, wherein the guide openings penetrate through the first assembly channel on one side which is far from the connecting end, and the inner surface of the first assembly channel is close to the assembly opening which is reserved at the end inside the guide openings and is communicated with the guide openings.
4. A membrane oxygenator and reservoir assembly structure as claimed in claim 3 wherein the first side of the assembly passageway is reserved with a second leakage port on a side farther from the first engagement end, and the first side of the assembly passageway is reserved with a first restriction port in communication with the second leakage port.
5. The structure according to claim 4, wherein the radius of the outer peripheral surface of the first restriction opening is smaller than that of the outer peripheral surface of the leakage-proof opening, a pressing ring is arranged on one side of the leakage-proof opening close to the first restriction opening, pressing strips are arranged on one side of the pressing ring at equal intervals, the pressing strips are movably connected with the first restriction opening, a first changing table is arranged on the other side of the pressing strips and extends into the assembly opening, the first changing table is in a triangular structure, and spiral beryllium copper wires fixedly connected with the inner surface of the assembly opening are arranged on one side of the first changing table.
6. The structure according to claim 5, wherein the second leakage preventing ring is disposed on the other side of the second leakage preventing opening near the compression ring, and the second changing tables are disposed on the outer wall of the second fitting channel at equal intervals and are matched with the guiding openings.
7. The structure of claim 6, wherein the second changing table is inserted into the first fitting channel along with the second fitting channel via the guide opening, and the first changing table is rotated to press the second changing table, so as to press the inner wall of the second leakage preventing ring by the pressing ring to close, and the inner wall of the second leakage preventing ring is tightly contacted with the outer wall of the second fitting channel.
8. The assembly structure of a membrane oxygenator and a blood reservoir according to claim 1, wherein the blocking piece comprises a connecting cover which is screwed at the bottom of the upper butt joint pipe in a sealing way and an L-shaped seat which is fixedly connected to an outer wall of the assembly channel, the lower end of the connecting cover is connected with the first connecting end, a socket is reserved on one side of the connecting cover, the upper butt joint pipe is connected with the first connecting end through the socket, a blocking block is inserted into the socket, the outer side of the blocking block is wrapped with a layer of rubber, the rubber is tightly attached to the socket, one side of the blocking block, which is positioned on the outer side of the socket, is fixedly connected with the connecting seat, a stud is screwed on the connecting seat, one end of the stud is screwed with the first connecting end, and the other end of the stud penetrates through the L-shaped seat in a rotating way and is fixedly connected with a knob.

Description

Membrane oxygenator and blood reservoir assembly structure Technical Field The invention belongs to the technical field of medical appliances, and particularly relates to an assembly structure of a membrane type oxygenator and a blood reservoir. Background The membrane oxygenator is used as a core component of an extracorporeal circulation system, has the main functions of simulating the gas exchange function of human lungs, realizing the supplement of oxygen and the discharge of carbon dioxide in blood, and simultaneously can cooperatively complete the regulation of blood temperature, and the blood storage device is used for collecting and storing venous blood or recovered blood in the extracorporeal circulation process, filtering micro-plugs and bubbles in the blood, providing stable blood flow supply for the extracorporeal circulation system, and is an indispensable key component in the extracorporeal circulation system, and the rationality of an assembly structure directly determines the safety, the high efficiency and the operation convenience of the extracorporeal circulation. The existing membrane type oxygenator and blood reservoir assembly structure is assembled in a threaded manner, the assembly mode cannot ensure the leakage-proof function of the butt joint part, once leakage occurs, normal work between the membrane type oxygenator and the blood reservoir cannot be ensured, and the butt joint can be completed only by repeated rotation, so that the membrane type oxygenator and the blood reservoir assembly structure is inconvenient to use. Disclosure of Invention The invention provides an assembly structure of a membrane type oxygenator and a blood reservoir, which aims to solve the problems that the prior assembly structure of the membrane type oxygenator and the blood reservoir is assembled in a threaded connection mode, the assembly mode cannot ensure the leak-proof function of a butt joint part, once leakage occurs, the normal work between the membrane type oxygenator and the blood reservoir cannot be ensured, and the butt joint can be completed by repeated rotation, so that the assembly structure is inconvenient to use. The embodiment of the invention provides an assembly structure of a membrane type oxygenator and a blood reservoir, which comprises a blood reservoir body and a membrane type oxygenator body, wherein the bottom of the blood reservoir body is fixedly connected with an upper butt joint pipe in a penetrating manner; the assembly part comprises a first butt joint part and a second butt joint part, wherein the first butt joint part comprises a first connecting end and a first assembling channel which are communicated with each other, and the second butt joint part comprises a second assembling channel and a second connecting end which are communicated with each other, and the second connecting end is communicated with the lower butt joint pipe; One side of the second assembly channel is embedded into the first assembly channel and can be detachably connected with the first assembly channel; A leakage-proof unit is arranged in the first assembly channel, and the leakage-proof unit comprises a leakage-proof ring II; The second assembly channel is embedded into the first assembly channel, the inner wall of the second leakage prevention ring is rotationally pressed to be folded, and then the second assembly channel is tightly contacted with the outer surface of the first assembly channel to realize leakage prevention, and the second leakage prevention ring is internally provided with a hollow framework; The first outer wall of the assembly channel is provided with an embedding unit connected with the second stop position of the assembly channel, the embedding unit comprises a rotating cylinder and a stop cylinder, the embedding unit also comprises a rotating opening arranged on the first outer wall of the assembly channel and close to one side of the second assembly channel, the middle hoop of the rotating opening is connected with a rotating ring, one side of the rotating ring is provided with a second spiral beryllium copper wire fixedly connected with the rotating opening, and the outer surface hoop of the rotating opening is connected with the rotating cylinder; Constraint bosses which are embedded with the outer surface of the rotating opening are arranged on the inner surface of the rotating cylinder at equal intervals, a constraint opening II which is matched with the constraint bosses is arranged on the outer surface of the rotating opening, the diameter of the outer peripheral surface of the first assembling channel is smaller than that of the inner peripheral surface of the rotating cylinder, an embedding seat is arranged on one side of the rotating ring, which is close to the second assembling channel, at equal intervals, a through hole for rotating the embedding seat is reserved on the outer surface of the first assembling channel, a stop cylinder is hooped on the outer surf