CN213698237U

CN213698237U - Single-person tube replacing device for ECMO pipeline

Info

Publication number: CN213698237U
Application number: CN202022086132.4U
Authority: CN
Inventors: 张志辉; 黎毅敏; 刘晓青; 黄勇波; 毛璞; 陈思蓓; 徐永昊; 桑岭; 刘学松
Original assignee: First Affiliated Hospital of Guangzhou Medical University
Current assignee: First Affiliated Hospital of Guangzhou Medical University
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-07-16
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a single device of changing over of ECMO pipeline, include the box, be located the lid of box top surface, the fixed mount pad that is provided with in inside of box, one side of mount pad is located the fixed pre-charging device that is provided with in inside of box, the fixed connecting block that is located the mount pad top that is provided with on the inside lateral wall of box, swing joint has cutting device on the connecting block, the top surface of mount pad is provided with a plurality of fixed establishment, the top surface activity of mount pad is provided with the connecting seat that is located fixed establishment one side, fixedly connected with junction valve on the connecting seat. The utility model discloses a cutting device cuts off original pipeline, and rethread second electric putter promotes fixed establishment, and first electric putter promotes the connecting seat, with original pipeline and new pipeline butt joint, accomplishes the automatic change of pipeline, makes work efficiency obtain improving.

Description

Single-person tube replacing device for ECMO pipeline

Technical Field

The utility model relates to an agricultural detection equipment field especially relates to a single pipe replacement device of ECMO pipeline.

Background

Extracorporeal membrane pulmonary oxygenation (ECMO) is a technique for rescuing patients with severe cardiopulmonary failure, represents a critical illness rescue level in a country, region, hospital, and even currently considers that ECMO techniques redefine the boundary between life and death. ECMO is an extracorporeal circulation technology which is taken out of a heart operating room, and the principle of the ECMO is that venous blood in a human body is led out of the human body and is injected into an artery or vein system of a patient after being oxygenated by an artificial heart-lung bypass made of special materials, so that a partial heart-lung replacement effect is achieved, and the oxygenation blood supply of visceral tissues of the human body is maintained. The basic structure of the ECMO includes an intravascular cannula, a connecting tube, a centrifugal pump (artificial heart), an oxygenator (artificial lung), an oxygen supply tube, and a monitoring system. The disposable part is usually formed into a kit clinically, and the non-disposable part is stored in a binding way and is designed to be movable, so that the emergency capacity is improved.

Along with the progress of technology, ECMO uses more and more in the critical illness, but the membrane lung has life, need regularly change, the change mode commonly used is to cut off original pipeline, and connect to in the middle of the new pipeline, the liquid preliminary filling of this process needs to accomplish the pipeline (if the preliminary filling exhaust is not thorough, can produce gaseous embolism, arouse membrane lung blood coagulation, threaten patient's life), simultaneously, change the pipeline in-process, to the cutting off of original pipeline, the preliminary filling, connect the new pipeline, need many people to operate, work efficiency is low, it is long to consume time, the probability is high to appear in the mistake.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a single device of trading of ECMO pipeline is provided, cuts off original pipeline through cutting device, and rethread second electric putter promotes fixed establishment, and first electric putter promotes the connecting seat, docks original pipeline and new pipeline, accomplishes the automatic change of pipeline.

In order to solve the technical problem, the utility model discloses a technical scheme be: the single tube replacing device for the ECMO pipeline comprises a box body and a cover body positioned on the top surface of the box body, wherein a mounting seat is fixedly arranged inside the box body, and a pre-charging device positioned inside the box body is fixedly arranged on one side of the mounting seat;

a connecting block positioned above the mounting seat is fixedly arranged on the side wall inside the box body, and a cutting device is movably connected onto the connecting block;

the top surface of the mounting seat is provided with a plurality of fixing mechanisms;

the top surface activity of mount pad is provided with the connecting seat that is located fixed establishment one side, fixedly connected with connecting valve on the connecting seat.

Preferably, a plurality of through holes are formed in the side walls of the two sides of the box body, an opening located inside the box body is formed in the bottom surface of the cover body, and an ultraviolet lamp is fixedly arranged in the opening.

Preferably, the cutting device comprises a motor, a saw wheel fixed on the output end of the motor and a push rod fixed on the side wall of one side of the motor, a cavity is formed in the connecting block, and one end of the push rod extends into the cavity.

Preferably, the outer surface of the pushing rod is sleeved with a return spring fixed inside the cavity, a limiting ring is integrally arranged on the outer side of the pushing rod, and one end of the return spring is fixedly connected with the limiting ring.

Preferably, the fixing mechanism comprises a connecting strip and a connecting plate fixed on the top surface of the connecting strip, the top surface of the connecting plate is provided with a connecting groove, and the connecting groove is movably connected with two opposite arc-shaped clamping blocks.

Preferably, the bottom end of the connecting seat is provided with a first sliding groove located on the top surface of the mounting seat, a first electric push rod is fixedly arranged on the side wall of one side of the first sliding groove, and one end of the first electric push rod is fixedly connected with one side of the connecting seat.

Preferably, one side of the first sliding groove is provided with a plurality of second sliding grooves located on the top surface of the mounting seat, the bottom end of the connecting strip is embedded in the second sliding grooves, a second electric push rod is fixedly arranged on the side wall of one side of the second sliding grooves, and one end of the second electric push rod is fixedly connected with one side of the connecting strip.

Preferably, the opening has been seted up to the inside of connecting valve, the left and right sides of opening all is provided with connecting valve, both sides all are provided with the pre-charge valve around the opening.

Preferably, a plurality of pre-charging ports are formed in the side wall of one side of the pre-charging device, and the pre-charging ports are fixedly connected with the pre-charging valve through pipelines.

The utility model has the advantages as follows:

1. the utility model can cut the original pipeline quickly by the cutting device, the original pipeline can be clamped into the box body when the pipe is replaced, the saw wheel is rotated by the motor, and the push rod is pushed to cut off the pipeline without manual shearing by the scissors;

2. the fixing mechanism of the utility model fixes the original pipeline and can adjust the distance between the arc-shaped clamping blocks so as to adapt to ECMO pipelines with different models and sizes, and has good use flexibility and strong applicability;

3. the utility model discloses connect new ECMO tube coupling through the connecting valve in advance, after original ECMO pipeline cutting, second electric putter can promote fixed establishment, and fixed establishment drives original ECMO pipeline and is close to the connecting seat to first electric putter promotes the connecting seat, makes the connecting valve of connecting valve one side and original ECMO pipeline butt joint, thereby makes the pipeline after cutting off communicate with new pipe, realizes changing the pipe automatically in order to replace current manual work and trades the pipe, has improved work efficiency.

Drawings

FIG. 1 is a schematic top view of the box;

fig. 2 is a schematic view of the front view cross-sectional structure of the present invention;

FIG. 3 is a schematic side sectional view of the present invention;

fig. 4 is a schematic perspective view of the present invention;

FIG. 5 is a schematic structural view of the fixing mechanism;

fig. 6 is an enlarged schematic view of a portion a in fig. 1.

In the figure: the device comprises a box body 1, a cover body 2, an opening 21, an ultraviolet lamp 22, a mounting seat 3, a first sliding chute 31, a first electric push rod 311, a second sliding chute 32, a second electric push rod 321, a pre-charging device 4, a pre-charging port 41, a connecting block 5, a cavity 51, a return spring 52, a cutting device 6, a motor 61, a saw wheel 62, a push rod 63, a limit ring 631, a fixing mechanism 7, a connecting strip 71, a connecting plate 72, a connecting groove 721, an arc-shaped clamping block 722, a connecting seat 8, a connecting valve 9, a through port 91, a connecting valve 92, a pre-charging valve 93 and a through hole 10.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1-3, a single-person tube changing device for ECMO pipeline includes a box body 1, a tube changing device located on the top surface of the box body 1

A plurality of through holes 10 have all been seted up on the lateral wall of lid 2, box 1 both sides, and the opening 21 that is located box 1 inside is seted up to the bottom surface of lid 2, and opening 21 internal fixation is provided with ultraviolet lamp 22. Before using, seal box 1 through lid 2, ultraviolet lamp 22 on the rethread lid 2 carries out germicidal treatment to the inside of box, then goes into box 1 with original pipeline and new pipeline from through-hole 10 card again in, box 1 and lid 2 adopt transparent material, the inside condition of box 1 is observed to permeable box 1 when using.

The inside of the box body 1 is fixedly provided with a mounting seat 3, the top surface of the mounting seat 3 is provided with a plurality of fixing mechanisms 7, for example

As shown in fig. 5, the fixing mechanism 7 includes a connecting bar 71 and a connecting plate 72 fixed on the top surface of the connecting bar 71, the top surface of the connecting plate 72 is provided with a connecting slot 721, and the connecting slot 721 is movably connected with two opposite arc-shaped clamping blocks 722. The pipeline that will block in through fixed establishment 7 is fixed, and two arc clamp blocks 722 can swing joint, cliies the pipeline through removing two arc clamp blocks 722, and the both sides threaded connection of connecting groove 721 has the straight-bar, can prescribe a limit to arc clamp block 722 through rotating the straight-bar, avoids not hard up to the fixed trip of pipeline.

The top surface activity of mount pad 3 is provided with the connecting seat 8 that is located fixed establishment 7 one side, fixedly connected with junction valve 9 on the connecting seat 8, and opening 91 has been seted up to the inside of junction valve 9, and the left and right sides of opening 91 all is provided with connecting valve 92. After the new pipeline is clamped into the box body 1, one end of the new pipeline is fixedly connected with the connecting valve 92 at one side of the connecting valve 9, so that the new pipeline is communicated with the through hole 91 in the connecting valve 9, and the connecting valve 9 can be taken out from the connecting seat 8 for replacement and cleaning.

Preferably, both the front side and the rear side of the through hole 91 are provided with a pre-filling valve 93, one side of the mounting seat 3 is fixedly provided with a pre-filling device 4 positioned inside the box body 1, the side wall of one side of the pre-filling device 4 is provided with a plurality of pre-filling ports 41, and the pre-filling ports 41 are fixedly connected with the pre-filling valve 93 through pipelines. When the connecting valve 92 on one side of the connecting valve 9 is connected with a new pipeline, the connecting valve 92 on the other side of the connecting valve 9 is closed, a pump body is arranged in the pre-charging device 4, pre-charging liquid is input into the new pipeline through the pre-charging valve 93 through the pump body, and pre-charging and air-discharging are carried out on the new pipeline in advance.

The connecting block 5 located above the mounting seat 3 is fixedly arranged on the side wall inside the box body 1, the cutting device 6 is movably connected onto the connecting block 5, and as shown in fig. 6, the cutting device 6 comprises a motor 61, a saw wheel 62 fixed on the output end of the motor 61, and a push rod 63 fixed on the side wall of one side of the motor 61. When the new pipeline is precharged, the cutting device 6 can drive the saw wheel 62 through the motor 61 to cut the original pipeline, the fixing mechanism 7 can fix the original pipeline in a straight line, the cutting is convenient, and the motor 61 is communicated with an external power supply to ensure sufficient power supply.

Preferably, the connecting block 5 is provided with a cavity 51 therein, and one end of the push rod 63 extends into the cavity 51. The outer surface of the push rod 63 is sleeved with a return spring 52 fixed in the cavity 51, the outer side of the push rod 63 is integrally provided with a limit ring 631, and one end of the return spring 52 is fixedly connected with the limit ring 631. When using cutting device 6, promote cutting device 6 through catch bar 63 and cut former pipeline, can continue to stretch out box 1 after the one end of catch bar 63 stretches into cavity 51, conveniently promote catch bar 63, the return spring 52 in the cavity 51 can exert thrust to catch bar 63, make cutting device 6 can reset after promoting, and cutting device 6's front end sets up the baffle, avoid cutting device 6 to be excessively impeld, cause destruction to connecting valve 9.

A plurality of second sliding grooves 32 are formed in the top surface of the mounting base 3 on one side of the first sliding groove 31, the bottom ends of the connecting strips 71 are embedded in the second sliding grooves 32, a second electric push rod 321 is fixedly arranged on the side wall of one side of the second sliding grooves 32, and one end of the second electric push rod 321 is fixedly connected with one side of the connecting strips 71. After the original pipeline is cut off, the second electric push rod 321 of the second chute 32 can push the fixing mechanism 7, the fixing mechanism 7 drives the cut-off original pipeline to be close to the connecting valve 9, so that the original pipeline and the new pipeline are connected, as shown in fig. 4, the through holes 10 on one side of the box body 1 are communicated with each other, and the original pipeline is convenient to move.

The bottom end of the connecting seat 8 is provided with a first sliding chute 31 positioned on the top surface of the mounting seat 3, a first electric push rod 311 is fixedly arranged on the side wall of one side of the first sliding chute 31, and one end of the first electric push rod 311 is fixedly connected with one side of the connecting seat 8. After the new pipeline is pre-filled, and the original pipeline is pushed to one end of the connecting valve 9 through the second electric push rod 321, the first electric push rod 311 pushes the connecting seat 8, so that the connecting valve 92 on one side of the connecting valve 9 is connected with the original pipeline, and the closed connecting valve 92 can be opened after the connecting valve 92 is connected with the original pipeline, so that the original pipeline is connected with the new pipeline at one end of the port 91.

The utility model discloses a use does:

before use, the inner part of the box body 1 is sterilized by the ultraviolet lamp 22, then the original pipeline and the new pipeline are clamped into the box body 1, the original pipeline is fixed by the fixing mechanism 7, one end of the new pipeline is connected with the connecting valve 92 at one side of the connecting valve 9, the new pipeline is pre-charged by the pre-charging device 4, the cutting device 6 is started to push the push rod 63 at the same time of pre-charging, the cutting device 6 cuts the original pipeline, after cutting, the second electric push rod 321 in the second sliding chute 32 pushes the fixing mechanism 7, the fixing mechanism 7 drives the original pipeline to approach the connecting valve 9 until the original pipeline is aligned with the connecting valve 92 at one side of the connecting valve 9, after the new pipeline is pre-charged, the first electric push rod 311 pushes the connecting valve 9 to the original pipeline until one end of the original pipeline enters the connecting valve 92, at this time, the connecting valve 92 at this side is opened, the original pipeline is communicated with the new pipeline through the through hole 91, and then the original pipeline is fixed, so that the automatic butt joint process is completed.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a single device of changing over of ECMO pipeline, includes box (1), is located lid (2) of box (1) top surface, its characterized in that: a mounting seat (3) is fixedly arranged in the box body (1), and a pre-charging device (4) positioned in the box body (1) is fixedly arranged on one side of the mounting seat (3);

a connecting block (5) positioned above the mounting seat (3) is fixedly arranged on the side wall in the box body (1), and a cutting device (6) is movably connected to the connecting block (5);

the top surface of the mounting seat (3) is provided with a plurality of fixing mechanisms (7);

the top surface of the mounting seat (3) is movably provided with a connecting seat (8) positioned on one side of the fixing mechanism (7), and the connecting seat (8) is fixedly connected with a connecting valve (9).

2. The single person tube changing device for the ECMO pipeline as claimed in claim 1, wherein: the novel solar water heater is characterized in that a plurality of through holes (10) are formed in the side walls of the two sides of the box body (1), an opening (21) located inside the box body (1) is formed in the bottom surface of the cover body (2), and an ultraviolet lamp (22) is fixedly arranged in the opening (21).

3. The single person tube changing device for the ECMO pipeline as claimed in claim 1, wherein: cutting device (6) include motor (61), be fixed in saw wheel (62) on motor (61) output, be fixed in catch bar (63) on motor (61) one side lateral wall, cavity (51) have been seted up to the inside of connecting block (5), and the one end of catch bar (63) stretches into in cavity (51).

4. The single person tube changing device for the ECMO pipeline as claimed in claim 3, wherein: the outer surface of catch bar (63) has cup jointed the answer spring (52) that is fixed in cavity (51) inside, the outside of catch bar (63) is integrative to be provided with spacing ring (631), and the one end and the spacing ring (631) fixed connection of answer spring (52).

5. The single person tube changing device for the ECMO pipeline as claimed in claim 1, wherein: the fixing mechanism (7) comprises a connecting bar (71) and a connecting plate (72) fixed on the top surface of the connecting bar (71), a connecting groove (721) is formed in the top surface of the connecting plate (72), and two opposite arc-shaped clamping blocks (722) are movably connected to the connecting groove (721).

6. The single person tube changing device for the ECMO pipeline as claimed in claim 1, wherein: the bottom end of the connecting seat (8) is provided with a first sliding groove (31) located on the top surface of the mounting seat (3), a first electric push rod (311) is fixedly arranged on the side wall of one side of the first sliding groove (31), and one end of the first electric push rod (311) is fixedly connected with one side of the connecting seat (8).

7. The single person tube changing device for the ECMO pipeline as claimed in claim 6, wherein: a plurality of second sliding grooves (32) located on the top surface of the mounting seat (3) are formed in one side of the first sliding groove (31), the bottom ends of the connecting strips (71) are embedded in the second sliding grooves (32), second electric push rods (321) are fixedly arranged on the side wall of one side of the second sliding grooves (32), and one ends of the second electric push rods (321) are fixedly connected with one sides of the connecting strips (71).

8. The single person tube changing device for the ECMO pipeline as claimed in claim 1, wherein: opening (91) have been seted up to the inside of connecting valve (9), the left and right sides of opening (91) all is provided with connecting valve (92), both sides all are provided with pre-filling valve (93) around opening (91).

9. The single person tube changing device for the ECMO line of claim 8, wherein: the side wall of one side of the pre-charging device (4) is provided with a plurality of pre-charging ports (41), and the pre-charging ports (41) are fixedly connected with a pre-charging valve (93) through pipelines.