CN112972104A

CN112972104A - Low-temperature noninvasive protection device for limb trauma

Info

Publication number: CN112972104A
Application number: CN202110162294.8A
Authority: CN
Inventors: 徐绍勇; 李书芬; 张萍; 郭刚; 陈静
Original assignee: Nanfang Hospital of Southern Medical University
Current assignee: Nanfang Hospital of Southern Medical University
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-06-18

Abstract

The present invention relates to the field of medical instruments. The purpose is to provide a low-temperature non-invasive protection device for extremity trauma, comprising a refrigerator and a protection cylinder with openings at both ends; both ends of the protection cylinder are provided with funnel-shaped elastic fixing sleeves, and one side of the elastic fixing sleeve is elastically fixed along the The length direction of the sleeve is provided with a zipper, and the zipper extends to the end of the elastic fixing sleeve; the protection cylinder includes a heat preservation cylinder and a mesh cylinder coaxially arranged in the heat preservation cylinder, and a structure between the heat preservation cylinder and the mesh cylinder is used for installation The installation area of the refrigeration coil; the installation area is uniformly provided with a number of partition rings along the height direction of the installation area, and the partition ring divides the installation area into several installation units, and each installation unit is provided with a set of spiral cooling coil. The present invention can be conveniently and quickly installed on the limbs of the affected part to form non-invasive protection for the affected part, and at the same time, it can realize continuous cooling and improve the pain relief effect.

Description

Low-temperature noninvasive protection device for limb trauma

Technical Field

The invention relates to the field of medical instruments, in particular to a low-temperature noninvasive protection device for limb wounds.

Background

The limb injury refers to bone injury, soft tissue injury, muscle injury and the like of upper limbs, lower limbs and the like of a human body, for partial limb injury, operation treatment is often needed, larger suture wounds are left after the operation treatment, and at the moment, noninvasive protection is needed for the suture wounds to avoid secondary injury to the wounds. Meanwhile, after the operation is completed, an auxiliary pain relieving operation is required many times due to wound pain. And because of the side effect of the anesthetic, the anesthetic cannot be used for a long time in a large dosage, and the pain is reduced by cold compress at the moment, so that the comfort of a patient is improved. At present, when carrying out the cold compress, mostly by the handheld ice bag of patient or medical personnel compress the pressure, but the limitation of this kind of mode is obvious, can't keep for a long time, and occupies both hands, causes the inconvenience.

Disclosure of Invention

The invention aims to provide a low-temperature noninvasive protection device for limb wounds, which is convenient to use.

In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows: a low-temperature noninvasive protection device for limb trauma comprises a refrigerator and a protection cylinder with openings at two ends;

funnel-shaped elastic fixing sleeves are arranged at two ends of the protection cylinder, a zipper is arranged on one side of each elastic fixing sleeve along the length direction of the corresponding elastic fixing sleeve, and the zipper extends to the end part of each elastic fixing sleeve; the protection cylinder comprises a heat preservation cylinder and a net cylinder coaxially arranged in the heat preservation cylinder, and an installation area for installing the refrigeration coil is formed between the heat preservation cylinder and the net cylinder; a plurality of separating rings are uniformly arranged in the mounting area along the height direction of the mounting area, the separating rings divide the mounting area into a plurality of mounting units, a group of spiral refrigerating coils are arranged in each mounting unit, one end of each refrigerating coil is communicated with an outlet of a distribution valve fixedly arranged on the outer surface of one side of the protective cylinder, and the other end of each refrigerating coil is communicated with an inlet of a confluence valve fixedly arranged on the outer surface of the other side of the protective cylinder; the inlet of the distribution valve is communicated with the outlet of the refrigerator through a first connecting pipe, and the outlet of the confluence valve is communicated with the return port of the refrigerator through a second connecting pipe.

Preferably, the distribution valve is an electromagnetic distribution valve, and a touch screen controller is arranged on the outer surface of the electromagnetic distribution valve.

Preferably, a temperature sensor is arranged in the protection cylinder corresponding to each group of the refrigeration coils, and the temperature sensor is electrically connected with the touch screen controller.

Preferably, the inner edge of the separating ring extends into the net cylinder, and the part extending into the net cylinder forms a separating edge on the inner wall of the net cylinder.

Preferably, the refrigerator is a semiconductor refrigerator.

Preferably, the refrigerator is mounted on the elastic belt by a bayonet.

The beneficial effects of the invention are concentrated and expressed as follows: can make things convenient for quick installation on affected part limbs, form the noninvasive protection to the affected part, can realize continuously refrigerating simultaneously, improve the effect of relieving pain. Specifically, in the using process, the zipper is firstly opened so as to facilitate the penetration of the limb, then the zipper is tightened, the protective cylinder is positioned on the limb by using the elastic fixing sleeve, and the protective cylinder is covered outside the affected part. The refrigerant prepared by the refrigerator enters the refrigeration coils through the first connecting pipe and the distribution valve, the temperature in the corresponding area of each protection cylinder is reduced through heat exchange with the refrigeration coils, and the distribution valve can reasonably distribute the refrigerant to the refrigeration coils according to the required quantity, so that the temperature in the corresponding area of each group of refrigeration coils is different, and the condition that the overall temperature is too low due to cutting is avoided. In addition, the refrigerator continuously refrigerates, and the cold source does not need to be frequently replaced, so that the continuity of low-temperature pain relieving is guaranteed.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Detailed Description

With reference to fig. 1, a low-temperature noninvasive protection device for limb trauma comprises a refrigerator 1 and a protection cylinder with two open ends, wherein the refrigerator 1 is used for generating a refrigeration medium, which can be an air-conditioning-like refrigerator with a compressor as a refrigeration core, the refrigerator 1 is suitable for fixed installation and is generally arranged in a ward, of course, in order to further reduce the weight of the refrigerator, the refrigerator 1 is a semiconductor refrigerator, and the semiconductor refrigerator is used for refrigerating by utilizing a semiconductor refrigerating sheet, and has the advantages of small volume and light weight, and the refrigerator 1 is installed on an elastic waistband 15 through a bayonet to realize wearable installation.

In order to fix the limb conveniently, the both ends of a protection section of thick bamboo are provided with the fixed cover of elasticity 2 that leaks hopper-shaped, the length direction of the fixed cover of elasticity 2 is provided with zip fastener 3 along one side of the fixed cover of elasticity 2, zip fastener 3 extends to the tip of the fixed cover of elasticity 2, and the quick wearing can be realized to unzipping zip fastener 3.

The protection cylinder comprises a heat-insulating cylinder 4 and a net cylinder 5 coaxially arranged in the heat-insulating cylinder 4, the heat-insulating cylinder 5 is generally of a sandwich structure, and the sandwich material is light polyurethane foam. Constitute the installing zone that is used for installing refrigeration coil 6 between a heat preservation section of thick bamboo 4 and a net section of thick bamboo 5, evenly be provided with a plurality of spacer rings 7 along the direction of height of installing zone in the installing zone, spacer ring 7 separates the installing zone into a plurality of installation element, all is provided with a set of heliciform refrigeration coil 6 in each installation element, refrigeration coil 6's one end and the fixed export intercommunication that sets up the distribution valve 8 at a protection section of thick bamboo one side surface, the other end and the fixed import intercommunication that sets up the confluence valve 9 at a protection section of thick bamboo opposite side surface. In order to realize the rapid control of the distribution valve 8, the distribution valve 8 is preferably an electromagnetic distribution valve, and a touch screen controller 12 is arranged on the outer surface of the electromagnetic distribution valve, and the touch screen controller 12 directly controls the flow of the distribution valve 8 through touch operation. The inlet of the distribution valve 8 is communicated with the outlet of the refrigerator 1 through a first connecting pipe 10, and the outlet of the confluence valve 9 is communicated with the return port of the refrigerator 1 through a second connecting pipe 11.

In the using process of the invention, the zipper 3 is firstly unzipped so as to facilitate the penetration of limbs, then the zipper 3 is tightened, the protective cylinder is positioned on the limbs by utilizing the elastic fixing sleeve 2, and the protective cylinder is covered outside the affected part. Then, the refrigerant prepared by the refrigerator 1 enters the refrigeration coils 6 through the first connecting pipe 10 and the distribution valve 8, the temperature in the corresponding area of each protection cylinder is reduced through heat exchange with the refrigeration coils 6, and the distribution valve 8 can reasonably distribute the refrigerant to the refrigeration coils 6 according to the required amount, so that the temperature in the corresponding area of each group of refrigeration coils 6 is different, and the condition that the overall temperature is too low due to cutting is avoided. In addition, the refrigerator 1 continuously refrigerates, and the cold source does not need to be frequently replaced, so that the continuity of low-temperature pain relieving is guaranteed.

In addition, in order to realize intelligent control, a temperature sensor 13 is arranged in the protection cylinder corresponding to each group of the refrigeration coils 6, and the temperature sensor 13 is electrically connected with the touch screen controller 12. The temperature is preset in the touch screen controller 12, the electromagnetic valve 8 is controlled by the touch screen controller 12 to automatically distribute the refrigerant flow, and the automation level is improved.

Finally, in order to realize better temperature differentiation in each zone, the inner edge of the separating ring 7 extends into the mesh cylinder 5, and the part extending into the mesh cylinder 5 forms a separating edge 14 on the inner wall of the mesh cylinder 5, and the heat exchange in the two zones is reduced to a certain extent by the blocking of the separating edge 14, so that the temperature control of the zones is more accurate.

Claims

1. A low-temperature non-invasive protection device for limb trauma, comprising a refrigerator (1) and a protection cylinder with openings at both ends;

It is characterized in that a funnel-shaped elastic fixing sleeve (2) is arranged at both ends of the protective cylinder, and a zipper (3) is arranged on one side of the elastic fixing sleeve (2) along the length direction of the elastic fixing sleeve (2). , the zipper (3) extends to the end of the elastic fixing sleeve (2); the protection cylinder comprises a thermal insulation cylinder (4) and a mesh cylinder (5) coaxially arranged in the thermal insulation cylinder (4), the thermal insulation cylinder ( 4) An installation area for installing the refrigeration coil (6) is formed between the mesh cylinder (5); a plurality of partition rings (7) are evenly arranged in the installation area along the height direction of the installation area, and the partition rings ( 7) The installation area is divided into several installation units, and each installation unit is provided with a set of helical refrigeration coils (6), and one end of the refrigeration coils (6) is fixedly arranged outside one side of the protection cylinder. The outlet of the distribution valve (8) on the surface is communicated, and the other end is communicated with the inlet of the confluence valve (9) fixed on the outer surface of the other side of the protection cylinder; the inlet of the distribution valve (8) passes through the first connecting pipe (10). ) is communicated with the outlet of the refrigerator (1), and the outlet of the confluence valve (9) is communicated with the return port of the refrigerator (1) through the second connecting pipe (11).

2 . The low-temperature non-invasive protection device for limb trauma according to claim 1 , wherein the distribution valve ( 8 ) is an electromagnetic distribution valve, and a touch screen controller ( 12 ) is provided on the outer surface of the electromagnetic distribution valve. 3 .

3 . The non-invasive protection device for low temperature of limb trauma according to claim 2 , wherein a temperature sensor ( 13 ) is provided in the protection cylinder corresponding to each group of the refrigeration coils ( 6 ), and the temperature sensor (13) is electrically connected with the touch screen controller (12).

The low-temperature non-invasive protection device for limb trauma according to claim 3, characterized in that: the inner edge of the separation ring (7) extends into the mesh cylinder (5), and extends to the part inside the mesh cylinder (5) Separating ribs (14) are formed on the inner wall of the mesh cylinder (5).

5 . The low-temperature non-invasive protection device for limb trauma according to claim 4 , wherein the refrigerator ( 1 ) is a semiconductor refrigerator. 6 .

6 . The low-temperature non-invasive protection device for limb trauma according to claim 5 , wherein the refrigerator ( 1 ) is mounted on the elastic waist belt ( 15 ) through a bayonet. 7 .