CN213554864U

CN213554864U - VAV-ECMO pipeline high efficiency connecting device

Info

Publication number: CN213554864U
Application number: CN202022279903.1U
Authority: CN
Inventors: 吕会力; 张丽; 李付华
Original assignee: Second Affiliated Hospital of Zhengzhou Unviersity
Current assignee: Second Affiliated Hospital of Zhengzhou Unviersity
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-06-29
Anticipated expiration: 2030-10-14

Abstract

The VAV-ECMO pipeline high-efficiency connecting device effectively solves the problems that the existing pipeline connecting device wastes time and labor and is poor in fixing effect; the device comprises an upper axial base column and a lower axial base column, wherein a plurality of round holes are uniformly distributed along the circumferential direction of the base column, the inner ends of the round holes are communicated, a plurality of sleeves which are in one-to-one correspondence with the round holes and are coaxial with the round holes are arranged on the outer edge surface of the base column, a cylinder inserted into the sleeves is coaxially arranged in the round holes, two chutes which are uniformly distributed along the circumferential direction of the sleeve and are communicated with each other left and right are arranged on the sleeves, clamping blocks which are small in outside and large in inside are connected in the chutes in a sliding manner, arc plates with inward arc openings are arranged at the inner ends of the clamping blocks, pressing cylinders which can slide inside and outside are coaxially arranged on the sleeves, two through grooves which are in one-to-one correspondence with the chutes are arranged on the pressing cylinders, ejector blocks which can be contacted with the clamping; the novel multifunctional electric heating cooker is simple in structure, novel in conception, convenient to use and high in practicability.

Description

VAV-ECMO pipeline high efficiency connecting device

Technical Field

The utility model relates to an external membrane lung closes auxiliary instrument technical field, especially a high-efficient connecting device of VAV-ECMO pipeline.

Background

ECMO is an English abbreviation of extracorporeal membrane lung oxygenation, ECMO is a continuous in vitro life support means, and the functions of the heart and the lung are completely or partially replaced by extracorporeal equipment for a long time, so that the heart and the lung can be fully rested, and time is won for healing and recovering functions of the heart and the lung diseases.

At present, ECMO is commonly found in VA-ECMO (femoral vein-femoral artery), VV-ECMO (femoral vein-internal jugular vein), partial patients need VAV-ECMO (femoral vein-femoral artery-internal jugular vein), when VA-ECMO or VV-ECMO is changed into VAV-ECMO according to the needs of illness, the V-ECMO or VV-ECMO need to be connected with a femoral artery cannula through the internal jugular vein cannula, the existing method is that a Y-shaped three-way pipe is used for connection, medical adhesive plaster or a binding tape is used for fixing, but the pipeline connection mode wastes time and energy and the fixing effect is poor, and the pipeline is easy to fall off.

SUMMERY OF THE UTILITY MODEL

To the situation, in order to compensate for the deficiencies of the prior art, the utility model aims at providing a VAV-ECMO pipeline high-efficient connecting device, the effectual current pipe connection device of having solved wastes time and energy and fixes the not good problem of effect.

The technical scheme of its solution is, the utility model discloses an upper and lower axial foundation column, set up a plurality of round holes along its circumferencial direction equipartition on the foundation column outer fringe face, a plurality of round hole inner are linked together, be equipped with a plurality ofly on the foundation column and with the round hole coaxial sleeve, coaxial being equipped with the drum that inserts in the sleeve in the round hole, set up two spouts that link up along its circumferencial direction equipartition and control on the sleeve, sliding connection has big-end-up's clamp splice in the spout, the clamp splice inner is equipped with the arc inwards of arc mouth, coaxial being equipped with inside and outside gliding pressure section of thick bamboo on the sleeve, set up two logical grooves with the spout one-to-one on the pressure section of thick bamboo, it can contact with the kicking block of clamp splice contact to lead to the inslot, the kicking block is big-end-up's right trapezoid and.

Compared with the prior art, the beneficial effects of the utility model are that: the cylinder, sleeve, rotary column, arc etc. that are equipped with can realize connecting three intubate pipelines's high efficiency, easy operation, labour saving and time saving has saved treatment time, presss from both sides the clamp to fix simultaneously to the pipeline, prevents that the pipeline from droing in the treatment, and the antislip strip that is equipped with can be convenient for medical personnel rotate the rotary column, and the stopper that is equipped with can prevent in the dust gets into the cylinder, this simple structure, thinks about the novelty, convenient to use, the practicality is strong.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a full-section left-side perspective view diagram of the utility model.

Fig. 3 is a full-section top perspective view of the utility model.

Fig. 4 is a full-section rear-view axonometric view of the utility model.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

By figure 1 to 4, axial foundation column 1 about including, set up a plurality of round holes 2 along its circumferencial direction equipartition on the foundation column 1 outer fringe face, 2 inner being linked together of a plurality of round holes, be equipped with a plurality of and round hole 2 one-to-ones and with round hole 2 coaxial sleeve 3 on the foundation column 1, coaxial being equipped with the drum 4 that inserts in the sleeve 3 in the round hole 2, set up two spout 5 that link up along its circumferencial direction equipartition and control on the sleeve 3, sliding connection has big-end-up and right trapezoid clamp splice 6 in the spout 5, clamp splice 6 the inner is equipped with arc 7 inwards in the arc mouth, coaxial being equipped with inside and outside gliding pressure section of thick bamboo 8 on the sleeve 3, set up two logical groove 9 with spout 5 one-to-one on the pressure section of thick bamboo 8, be equipped with the kicking block 10 that can contact with clamp splice 6 in the logical groove 9, kicking block 10 is big-end-up right trapezoid and its inclined plane can contact.

In order to drive the pressing cylinder 8 to slide inside and outside, the upper end of the base column 1 is coaxially provided with a rotary groove 11, a rotary column 12 is coaxially and rotatably connected in the rotary groove 11, and the upper end of the pressing cylinder 8 is hinged with the rotary column 12 through a connecting rod 13.

In order to facilitate the reset of the pressing cylinder 8, the sleeve 3 is coaxially provided with a reset ring 14, and the sleeve 3 is sleeved with a tension spring 15 positioned between the reset ring 14 and the pressing cylinder 8.

In order to facilitate the resetting of the arc-shaped plate 7, the outer end of the arc-shaped plate 7 is connected with the inner side wall of the sleeve 3 through a pressure spring 16.

In order to limit the rotary column 12, the inner side wall of the rotary groove 11 is provided with a limiting groove 17, the front end of the rotary column 12 is provided with a rectangular groove 18, the rectangular groove 18 is internally and slidably connected with a limiting block 19 which can be inserted into the limiting groove 17, and the rear end of the limiting block 19 is connected with the rear side wall of the rectangular groove 18 through a spring 20.

For convenience of use, a plurality of anti-slip strips 21 are uniformly distributed along the circumferential direction of the outer edge surface of the rotary column 12, and the outer end of the sleeve 3 is coaxially and detachably connected with a plug 22.

The utility model discloses when using, at first press stopper 19 backward, stopper 19 backward extrusion spring 20 simultaneously in rectangular channel 18 internal sliding, stopper 19 backward slide one section distance back and spacing groove 17 break away from the contact, remove the spacing to rotary column 12, anticlockwise rotation rotary column 12 certain angle this moment, because extension spring 15 inside elasticity, pressure section of thick bamboo 8 is inside to slide, drive rotary column 12 anticlockwise rotation through connecting rod 13, meanwhile, pressure section of thick bamboo 8 drives kicking block 10 and slides inwards, kicking block 10 and clamp splice 6 break away from the contact after inwards sliding one section distance, clamp splice 6 removes spacing this moment, because pressure spring 16 outside elasticity, clamp splice 6 drives the arc 7 of its corresponding side outwards to slide, pressure section of thick bamboo 8 stops inwards sliding when extension spring 15 resumes, rotary column 12 stops rotating;

the plug 22 is taken down, the catheter is sequentially inserted into the sleeve 3, the cylinder 4 is inserted into the catheter, medical staff clockwise rotates the rotary column 12, the rotary column 12 drives the pressing cylinder 8 to slide outwards through the connecting rod 13, meanwhile, the tension spring 15 is stretched outwards, the pressing cylinder 8 drives the ejector block 10 to slide outwards, after the rotary column slides for a certain distance, the inclined plane of the ejector block 10 is in contact with the inclined plane of the clamping block 6 and drives the clamping block 6 to slide inwards, the clamping block 6 drives the arc-shaped plate 7 to slide inwards, after the rotary column slides for a certain distance, the arc-shaped surface of the arc-shaped plate 7 is in contact with the catheter and extrudes the catheter inwards, the catheter is fixed on the outer edge surface of the cylinder 4, and the;

after the rotary column 12 rotates a certain angle, due to the forward elasticity of the spring 20, the limiting block 19 slides forward in the rectangular groove 18 and is inserted into the limiting groove 17, so that the rotary column 12 is limited, the rotary column 12 is prevented from rotating to cause the guide pipes to fall off in the use process, the treatment can be performed at the moment, and the connection of the three guide pipes is fixed.

Claims

1. A VAV-ECMO pipeline high-efficiency connecting device comprises an upper axial base column (1) and a lower axial base column (1), and is characterized in that a plurality of round holes (2) which are uniformly distributed along the circumferential direction of the base column (1) are formed in the outer edge surface of the base column (1), the inner ends of the round holes (2) are communicated, a plurality of sleeves (3) which are in one-to-one correspondence with the round holes (2) and coaxial with the round holes (2) are arranged on the base column (1), a cylinder (4) which is inserted into the sleeve (3) is coaxially arranged in the round holes (2), two sliding chutes (5) which are uniformly distributed along the circumferential direction of the sleeve (3) and are communicated left and right are formed in the sleeve (3), clamping blocks (6) which are small in size and large in size are connected in the sliding chutes (5) in a right trapezoid manner, arc-shaped plates (7) with inward arc openings are arranged at the inner ends of the clamping blocks (6), a pressing cylinder (8), the through groove (9) is internally provided with a top block (10) which can be contacted with the clamping block (6), the top block (10) is a right-angled trapezoid with a small inside and a large outside, and the inclined surface of the top block can be contacted with the inclined surface of the clamping block (6) on the corresponding side.

2. The VAV-ECMO pipeline high-efficiency connecting device according to claim 1, wherein the upper end of the base pillar (1) is coaxially provided with a rotating groove (11), the rotating pillar (12) is coaxially and rotatably connected in the rotating groove (11), and the upper end of the pressing cylinder (8) is hinged with the rotating pillar (12) through a connecting rod (13).

3. A VAV-ECMO pipe high efficiency connection device according to claim 1, wherein the sleeve (3) is coaxially provided with a reset ring (14), and the sleeve (3) is sleeved with a tension spring (15) between the reset ring (14) and the pressing cylinder (8).

4. A VAV-ECMO pipe high efficiency connection assembly according to claim 1, wherein the outer end of said arc plate (7) is connected to the inner sidewall of said sleeve (3) by means of a compression spring (16).

5. The VAV-ECMO pipeline high-efficiency connecting device according to claim 2, wherein the inner side wall of the rotating groove (11) is provided with a limiting groove (17), the front end of the rotating column (12) is provided with a rectangular groove (18), a limiting block (19) capable of being inserted into the limiting groove (17) is slidably connected in the rectangular groove (18), and the rear end of the limiting block (19) is connected with the rear side wall of the rectangular groove (18) through a spring (20).

6. A VAV-ECMO pipe high efficiency connection device according to claim 2, wherein the outer edge surface of the rotary column (12) is provided with a plurality of anti-slip strips (21) uniformly distributed along the circumferential direction, and the outer end of the sleeve (3) is coaxially detachably connected with a plug (22).