CN216496831U

CN216496831U - High-precision infusion speed adjusting device

Info

Publication number: CN216496831U
Application number: CN202122959754.8U
Authority: CN
Inventors: 仇雪梅; 黄鸿燕; 甘莹; 吴春环; 廖美玲; 罗丽荣; 杜风雅; 莫柳; 莫秋梅; 陈武华; 梁汝君; 欧秋梅; 韦雪婷
Original assignee: Liuzhou Tanzhong People's Hospital
Current assignee: Liuzhou Tanzhong People's Hospital
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-05-13
Anticipated expiration: 2031-11-29

Abstract

The utility model relates to the field of medical instruments, in particular to a high-precision infusion speed adjusting device which comprises a connecting frame and an adjuster, wherein the connecting frame is provided with a connecting rod; the connecting frame comprises a first plate, a second plate and a third plate, the third plate is connected with the first plate and the second plate, the first plate is provided with a C-shaped buckle, the second plate is provided with a threaded through hole, the regulator comprises a screw rod, the screw rod is in threaded fit with the threaded through hole, the screw rod is provided with a push plate, a coarse adjustment rotary table and a fine adjustment rotary table, and the diameter of the fine adjustment rotary table is at least twice that of the coarse adjustment rotary table. The infusion speed can be roughly adjusted rapidly by rapidly twisting the rough adjustment turntable, so that the use requirement of common infusion can be met; by rotating the fine adjustment turntable, the effective flow cross-sectional area of the infusion tube can be conveniently controlled within a very small range, so that the infusion speed can be still controlled at a very low speed, and the requirement of the infusion flow speed of a newborn can be well met.

Description

High-precision infusion speed adjusting device

Technical Field

The utility model relates to the field of medical instruments, in particular to a high-precision infusion speed adjusting device.

Background

The infusion is a method for infusing a large amount of sterile liquid, electrolyte and medicine into a body from veins by utilizing the principles of atmospheric pressure and hydrostatic pressure, the infusion is a treatment means with very high clinical use frequency, a flow rate regulator on an infusion tube is required to be regulated according to the variety of the medicine and the condition of the illness state of a patient during the infusion so as to control the infusion speed, the most commonly used flow rate regulator comprises a shell and a pinch roller, the pinch roller slides a little distance, the accessible sectional area in the infusion tube can be greatly changed, although the flow rate can be quickly regulated, the regulation with higher precision is difficult, the infusion flow rate is difficult to be controlled to a very low degree, in the paediatrics, the infusion speed is required to be controlled with higher precision, particularly, when the infusion is carried out on a newborn, the infusion speed is required to be finely regulated so that the infusion can be carried out at a very low speed, the existing adjusting device capable of adjusting the infusion speed with higher precision has a complex structure and high price, and is not suitable for large-scale popularization and use.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems mentioned in the background technology, the utility model aims to provide a high-precision infusion speed adjusting device, and the utility model adopts the technical scheme that:

a high-precision transfusion speed adjusting device comprises a connecting frame and an adjuster;

the connecting frame comprises a first plate, a second plate and a third plate, the first plate and the second plate are arranged in parallel and oppositely, one end of the first plate in the length direction is fixedly connected with one end of the third plate, the end, facing the same direction, of the second plate and the first plate is fixedly connected with the other end of the third plate, one end of the first plate in the width direction is fixedly provided with a C-shaped buckle, a C-shaped opening of the C-shaped buckle faces the side where the second plate is located, the central line of the C-shaped buckle is vertically arranged and is parallel to the plate surface of the third plate, the second plate is provided with a threaded through hole, and the central line of the threaded hole is perpendicular to the plate surface of the second plate and is perpendicularly intersected with the central line of the C-shaped buckle;

the adjuster comprises a screw rod, the screw rod is in threaded fit with the threaded through hole and extends from one side of the threaded through hole to the other side of the threaded through hole, a push plate is arranged at one end part of the screw rod, facing the first plate, and the plate surface of the push plate is vertical to the axis of the screw rod; a coarse adjustment turntable is fixedly mounted at one end of the screw rod far away from the first plate, the coarse adjustment turntable and the screw rod are coaxially arranged, a fine adjustment turntable is fixedly mounted on the screw rod on the side, facing the second plate, of the coarse adjustment turntable, the fine adjustment turntable and the screw rod are coaxially arranged, and the diameter of the fine adjustment turntable is at least twice of that of the coarse adjustment turntable.

Preferably, the push plate is rotatably mounted on the screw, and the rotation axis coincides with the axis of the screw.

Preferably, the edge of one end, facing the first plate, of the push plate is provided with an arc chamfer.

Preferably, the circumferential surfaces of the coarse adjustment rotary table and the fine adjustment rotary table are respectively provided with anti-slip stripes.

Preferably, a handle is fixedly installed on one surface of the first plate, which faces away from the second plate.

Preferably, the diameter of the fine turning disc is 6mm and the diameter of the coarse turning disc is 42 mm.

Preferably, the pitch of the threaded through hole is less than 1 mm.

Preferably, the connecting frame and the regulator are both made of polypropylene materials.

In conclusion, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

the infusion flow rate can be quickly and roughly adjusted by quickly twisting the rough adjustment rotary table, so that the use requirement in the common infusion is met; the fine adjustment turntable is rotated, because the fine adjustment turntable is rotated with a larger arc length, the rotating angle of the fine adjustment turntable is still small, and the distance between the push plate and the first plate changes very little due to the smaller thread pitch of the thread through hole, so that the precision of flow rate adjustment of the infusion tube is greatly improved, the effective flow cross section area of the infusion tube can be conveniently controlled in a very small range, the infusion speed is still controllable at a very low speed, and the requirement of the infusion flow rate of a newborn is well met; this embodiment not with patient direct contact, and can dismantle fixed connection with the transfer line through the C shape buckle for this embodiment both can used repeatedly in order to reduce use cost, also can regard as disposable article to use, reduces cleaning and disinfecting's trouble, satisfies higher sanitary standard's operation requirement.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a cross-sectional view of an embodiment of the present invention.

Wherein: 1-connecting frame, 11-first plate, 12-second plate, 13-third plate, 14-C-shaped buckle, 15-threaded through hole, 16-handle, 2-adjuster, 21-screw, 22-push plate, 23-coarse adjusting rotary disc and 24-fine adjusting rotary disc.

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. The drawings are only for purposes of illustration and are not intended to be limiting, certain elements of the drawings may be omitted, enlarged or reduced to better illustrate the embodiments of the present invention, and do not represent the size of the actual product, and it is understood that some well-known structures, elements and descriptions thereof in the drawings may be omitted for persons skilled in the art.

Referring to fig. 1 and 2, in a preferred embodiment of the present invention, a high precision infusion speed adjusting device comprises a connection frame 1 and an adjuster 2, and preferably, the connection frame 1 and the adjuster 2 are made of polypropylene materials, so as to reduce the production cost, making this embodiment suitable for being used as a disposable product.

The connecting frame 1 comprises a first plate 11, a second plate 12 and a third plate 13, the first plate 11 and the second plate 12 are arranged in a parallel and opposite mode, one end of the first plate 11 is fixedly connected with one end of the third plate 13 in the length direction, the second plate 12 is fixedly connected with the other end of the third plate 13 towards the same end of the first plate 11, a C-shaped buckle 14 is fixedly mounted at one end in the width direction of the first plate 11, a C-shaped opening of the C-shaped buckle 14 faces the side of the second plate 12, a central line of the C-shaped buckle 14 is vertically arranged and is parallel to a plate surface of the third plate 13, a threaded through hole 15 is formed in the second plate 12, and the central line of the threaded hole is perpendicular to the plate surface of the second plate 12 and is perpendicular to and intersected with the central line of the C-shaped buckle 14.

The specific size of the C-shaped buckle 14 can be determined according to the existing infusion tubes with various diameter models, products with various sizes of C-shaped buckles are arranged, the inner side of the C-shaped buckle 14 can form interference connection with the infusion tubes with corresponding models, namely the diameter of the inner side of the C-shaped buckle 14 is slightly smaller than the diameter of the infusion tube correspondingly used.

The adjuster 2 comprises a screw 21, the screw 21 is in threaded fit with the threaded through hole 15 and extends from one side of the threaded through hole 15 to the other side of the threaded through hole 15, a push plate 22 is mounted at one end part of the screw 21 facing the first plate 11, and the plate surface of the push plate 22 is vertical to the axis of the screw 21; a rough adjusting rotary plate 23 is fixedly installed at one end part of the screw rod 21 far away from the first plate 11, the rough adjusting rotary plate 23 and the screw rod 21 are coaxially arranged, a fine adjusting rotary plate 24 is fixedly installed on the screw rod 21 of the rough adjusting rotary plate 23 facing the second plate 12, the fine adjusting rotary plate 24 and the screw rod 21 are coaxially arranged, the diameter of the fine adjusting rotary plate 24 is at least twice of that of the rough adjusting rotary plate 23, in the embodiment, the diameter of the fine adjusting rotary plate 24 is 6mm, the diameter of the rough adjusting rotary plate 23 is 42mm, and further, the thread pitch of the threaded through hole 15 is smaller than 1 mm.

When the infusion tube is used, the infusion tube is placed between the first plate 11 and the second plate 12, the C-shaped buckle 14 is buckled on the infusion tube, the connecting frame 1 is fixedly arranged on the infusion tube, the coarse adjustment rotary disc 23 is screwed, the coarse adjustment rotary disc 23 can be quickly screwed by matching a thumb with a forefinger due to the small diameter of the coarse adjustment rotary disc 23, the push plate 22 is quickly contacted with the infusion tube, the push plate 22 and the first plate 11 are enabled to jointly act to extrude the infusion tube, the passing sectional area of the inner side of the infusion tube is roughly adjusted, when the infusion flow rate is close to the required flow rate, the coarse adjustment rotary disc 23 is loosened, the fine adjustment rotary disc 24 is rotated, the diameter of the fine adjustment rotary disc 24 is far larger than the diameter of the coarse adjustment rotary disc 23, the diameter of the fine adjustment rotary disc 24 is larger, the rotation angle of the fine adjustment rotary disc 24 is still small when the fine adjustment rotary disc 24 is rotated in a larger arc length, and the thread through hole 15 is in a smaller thread pitch, the distance between the push plate 22 and the first plate 11 changes very little, so that the precision of regulating the flow rate of the infusion tube is greatly improved, the effective flow cross section of the infusion tube can be conveniently controlled in a very small range, the infusion speed is still controllable at a very low speed, and the requirement of the infusion flow rate of a newborn is well met.

The effect of this embodiment through C shape buckle 14 can dismantle fixed connection with the transfer line, because C shape buckle 14 does not contact with the patient, when the transfer line was once only abandoned, this embodiment can take off back washing and disinfecting used repeatedly, sparingly use cost. Because the polypropylene material is cheap, the structure of this embodiment is very simple, and low in production cost, to the higher hospital of sanitary requirement, this embodiment is also fit for using as disposable product.

Preferably, the push plate 22 is rotatably mounted on the screw rod 21, and the rotation axis coincides with the axis of the screw rod 21, so that after the push plate 22 is connected with the infusion tube, the push plate 22 does not rotate along with the rotation of the screw rod 21, and the occurrence of the situation that the infusion tube is bent and blocked due to the fact that the push plate 22 drives the infusion tube to rotate is effectively reduced.

Preferably, the edge of one end of the push plate 22 facing the first plate 11 is provided with an arc chamfer, so that the cutting effect of the edge of the push plate 22 on the infusion tube when the infusion tube is extruded by the push plate 22 is reduced, the protection of the infusion tube is effectively improved, and the occurrence of the situation that the infusion tube is broken due to the extrusion of the push plate 22 is reduced.

Preferably, the circumferential surfaces of the coarse adjustment turntable 23 and the fine adjustment turntable 24 are respectively provided with anti-slip stripes, so that the friction coefficient between the coarse adjustment turntable 23 and the hand and the friction coefficient between the fine adjustment turntable 24 and the hand are improved, and the slip is reduced, thereby improving the controllability of the coarse adjustment turntable 23 and the fine adjustment turntable 24.

Preferably, a handle 16 is fixedly mounted on a side of the first plate 11 facing away from the second plate 12. Because the infusion tube has a smaller diameter, the volume of the connecting frame 1 is smaller, the infusion tube is not easy to hold during adjustment, when one hand adjusts the coarse adjustment turntable 23 or the fine adjustment turntable 24, the other hand can hold the handle 16, and the controllability of the embodiment is further improved.

The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a high accuracy infusion speed adjusting device which characterized in that: comprises a connecting frame and a regulator;

the connecting frame comprises a first plate, a second plate and a third plate, the first plate and the second plate are arranged in parallel and oppositely, one end of the first plate in the length direction is fixedly connected with one end of the third plate, the end, facing the same direction, of the second plate and the first plate is fixedly connected with the other end of the third plate, one end of the first plate in the width direction is fixedly provided with a C-shaped buckle, a C-shaped opening of the C-shaped buckle faces the side where the second plate is located, the central line of the C-shaped buckle is vertically arranged and is parallel to the plate surface of the third plate, the second plate is provided with a threaded through hole, and the central line of the threaded through hole is perpendicular to the plate surface of the second plate and is perpendicularly intersected with the central line of the C-shaped buckle;

2. The high-precision infusion speed adjusting device according to claim 1, wherein: the push plate is rotatably arranged on the screw rod, and the rotating axis coincides with the axis of the screw rod.

3. The high-precision infusion speed adjusting device according to claim 1, wherein: the edge of one end, facing the first plate, of the push plate is provided with an arc chamfer.

4. The high-precision infusion speed adjusting device according to claim 1, wherein: and anti-skid stripes are respectively arranged on the circumferential surfaces of the coarse adjustment rotary table and the fine adjustment rotary table.

5. The high-precision infusion speed adjusting device according to claim 1, wherein: and a handle is fixedly arranged on one surface of the first plate, which faces away from the second plate.

6. The high-precision infusion speed adjusting device according to claim 1, wherein: the diameter of the fine adjustment turntable is 6mm, and the diameter of the coarse adjustment turntable is 42 mm.

7. The high-precision infusion speed adjusting device according to claim 1, wherein: the thread pitch of the thread through hole is smaller than 1 mm.

8. The high-precision infusion speed adjusting device according to claim 1, wherein: the connecting frame and the regulator are both made of polypropylene materials.