CN220354691U

CN220354691U - Heat-shrinkable tube capable of being stripped

Info

Publication number: CN220354691U
Application number: CN202321749061.9U
Authority: CN
Inventors: 姜贤男; 潘国立
Original assignee: Shanghai Kindly Medical Devices Co ltd
Current assignee: Shanghai Kindly Medical Devices Co ltd
Priority date: 2023-07-05
Filing date: 2023-07-05
Publication date: 2024-01-16
Anticipated expiration: 2033-07-05

Abstract

The utility model discloses a heat-shrinkable tube capable of being peeled, which comprises a heat-shrinkable tube, wherein the heat-shrinkable tube is formed by spirally winding a plurality of spiral turns of a narrow strip, and the edge of the latter spiral turn of the heat-shrinkable tube is pressed outside the edge of the former spiral turn. The heat shrinkage tube is formed by spirally winding the narrow strip, so that when the heat shrinkage tube is stripped, the tail ends of the spiral coils are only required to be uncovered, the opening of the spiral coils can be realized, the heat shrinkage tube is conveniently stripped, and the damage of a medical pipeline can not be generated.

Description

Heat-shrinkable tube capable of being stripped

Technical Field

The utility model relates to the technical field of heat-shrinkable tubes, in particular to a heat-shrinkable tube capable of being peeled.

Background

The removability of the heat-shrinkable tubing after its use may be aided by the use of score lines or indentations/perforations added either before or after the heat-shrinkable tubing. After use, the heat-shrinkable tubing can be torn along the score lines or indentations/perforations and discarded. The score or score line used to facilitate tearing must be at a suitable depth to facilitate tearing without damaging the underlying material. If the score or score line is too deep or if the tubing is not completely torn along the score or score/perforation, it may cause damage to the medical device, i.e., the manner in which the score or score line is employed may be susceptible to damage to the medical device.

Disclosure of Invention

The utility model aims to provide a heat-shrinkable tube capable of being peeled off, which solves the problem that the medical device is easy to damage due to the way of scoring or scribing in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a heat shrinkage pipe that can peel off, includes pyrocondensation pipe, its characterized in that: the heat shrinkage tube is formed by spirally winding a plurality of spiral coils of a narrow strip, and the edge of the latter spiral coil of the heat shrinkage tube is pressed outside the edge of the former spiral coil; the narrow strip is composed of a first crosslinked modified polyethylene layer, an EVOH layer and a second crosslinked modified polyethylene layer, wherein the EVOH layer is positioned on the first crosslinked modified polyethylene layer and the second crosslinked modified polyethylene layer.

Preferably, one end of the narrow strip is set as a head end, and the other end of the head end is set as a stripping end.

Preferably, the stripping end is positioned outside the heat shrinkage tube, and the head end is positioned inside the heat shrinkage tube.

Preferably, the pressing of the heat shrink tube at the edge of the next coil to the edge of the previous coil includes: an inner concave part is arranged at one side edge of the narrow strip, a narrow strip is arranged at the other side edge of the narrow strip, and the inner concave part is pressed outside the outer concave part after the narrow strip spirals.

Preferably, the sum of the thicknesses of the inner recess and the outer recess is equal to the thickness of the narrow strip.

Preferably, the inner concave part and the outer concave part are connected by high temperature resistant glue.

Compared with the prior art, the utility model has the beneficial effects that:

1. the heat shrinkage tube is formed by spirally winding the narrow strip, so that when the heat shrinkage tube is stripped, the tail ends of the spiral coils are only required to be uncovered, the opening of each spiral coil can be realized, the heat shrinkage tube is conveniently stripped, and the medical pipeline is not damaged;

2. after the narrow strip is screwed, the inner concave part is pressed outside the outer concave part, so that the narrow strip can form a sealed tubular structure (namely a heat shrinkage pipe), the wall thickness of each position of the tubular structure is consistent, and the heat shrinkage efficiency of each position is ensured to be the same;

3. the narrow strip is formed by the first crosslinked modified polyethylene layer, the EVOH layer and the second crosslinked modified polyethylene layer, and the EVOH layer enhances the barrier property of the pipe.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the present utility model after the inner and outer recesses are provided;

FIG. 3 is an enlarged view of area A of FIG. 2 in accordance with the present utility model;

FIG. 4 is a schematic view of the heat shrinkable tube of the present utility model after expansion;

fig. 5 is a schematic view of the structure of the narrow strip of the present utility model.

In the figure: 100. a heat shrinkage tube; 101. a narrow strip; 1011. a head end; 1012. a peeling end; 1013. an inner concave portion; 1014. an outer concave portion; 1015. a first crosslinked modified polyethylene layer; 1016. an EVOH layer; 1017. and a second crosslinked modified polyethylene layer.

Description of the embodiments

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Referring to fig. 1, in the embodiment of the present utility model, a heat shrinkable tube capable of stripping includes a heat shrinkable tube 100, wherein the heat shrinkable tube 100 is formed by spirally winding a plurality of spiral turns of a narrow strip 101, and the edge of the next spiral turn of the heat shrinkable tube 100 is pressed outside the edge of the previous spiral turn, so that the narrow strip 101 can form a sealed tubular structure, two pipes to be connected are placed inside the tubular structure, a high temperature is applied to the heat shrinkable tube 100, and the heat shrinkable tube 100 can be tightly wrapped on the two pipes to connect the two pipes;

referring to fig. 1, preferably, one end of the narrow strip 101 is set as a head end 1011, and the other end of the head end 1011 is set as a stripping end 1012, the stripping end 1012 is located outside the heat shrinkage tube 100, and the head end 1011 is located inside the heat shrinkage tube 100, i.e. the narrow strip 101 which has been formed into a tubular shape can be easily pulled apart by the stripping end 1012 to form the original narrow strip 101, and at this time, the heat shrinkage tube 100 is easily stripped from two pipes;

as shown in fig. 5, the narrow strip 101 is formed from a first crosslinked modified polyethylene layer 1015, an EVOH layer 1016, and a second crosslinked modified polyethylene layer 1017, the EVOH layer 1016 being located between the first crosslinked modified polyethylene layer 1015 and the second crosslinked modified polyethylene layer 1017; the EVOH layer 1016 enhances the barrier properties of the tubing.

Referring to fig. 2, 3 and 4, in order to avoid that the thickness of the wall of the whole heat shrinkage tube 100 is inconsistent to affect the heat shrinkage effect when the edge of the next coil is pressed outside the edge of the previous coil, the process that the edge of the next coil of the heat shrinkage tube 100 is pressed outside the edge of the previous coil includes: an inner concave part 1013 is arranged at one side edge of the narrow strip 101, and the narrow strip 101 is arranged at the other side edge of the narrow strip 101, the inner concave part 1013 is pressed outside the outer concave part 1014 after the narrow strip 101 spirals, the sum of the thicknesses of the inner concave part 1013 and the outer concave part 1014 is equal to the thickness of the narrow strip 101, and the thickness of the pipe wall of the heat shrinkage pipe 100 formed by the narrow strip 101 in a spiral mode is consistent;

for stability after the whole heat shrink tube 100 is molded, the inner recess 1013 and the outer recess 1014 are connected by high temperature resistant glue to connect a plurality of spiral turns.

The working principle of the utility model is as follows: when the device is manufactured, a plurality of spiral rings formed by spiral winding of the narrow strip 101 are used, the inner concave part 1013 of the narrow strip 101 is pressed outside the outer concave part 1014 after spiral self, and then the narrow strip 101 can form a sealed tubular structure (namely the heat-shrinkable tube 100), the wall thickness of each position of the tubular structure is consistent, and the heat-shrinkable efficiency of each position is the same;

the two pipes to be connected are placed inside the tubular structure, high temperature is applied to the heat shrinkage pipe 100, and the heat shrinkage pipe 100 can be tightly wrapped on the two pipes at this time to connect the two pipes.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A heat shrinkable tube capable of being peeled off, comprising a heat shrinkable tube (100), characterized in that: the heat-shrinkable tube (100) is provided with a plurality of spiral rings formed by spirally winding the narrow strip (101) and the edge of the latter spiral ring of the heat-shrinkable tube (100) is pressed outside the edge of the former spiral ring; one end of the narrow strip (101) is set as a head end (1011), and the other end of the head end (1011) is set as a stripping end (1012); the narrow strip (101) is composed of a first crosslinked modified polyethylene layer (1015), an EVOH layer (1016) and a second crosslinked modified polyethylene layer (1017), wherein the EVOH layer (1016) is positioned on the first crosslinked modified polyethylene layer (1015) and the second crosslinked modified polyethylene layer (1017).

2. A heat shrinkable tube which can be peeled off as defined in claim 1, wherein: the stripping end (1012) is positioned outside the heat shrinkage tube (100), and the head end (1011) is positioned inside the heat shrinkage tube (100).

3. A heat shrinkable tube which can be peeled off as defined in claim 2, wherein: pressing the outside of the edge of the previous coil at the edge of the next coil of the heat-shrinkable tube (100) comprises: an inner concave part (1013) is arranged at one side edge of the narrow strip (101), and the narrow strip (101) is arranged at the other side edge of the narrow strip (101), and the narrow strip (101) is pressed outside the outer concave part (1014) after being screwed by itself.

4. A heat shrinkable tube which can be peeled off as defined in claim 3, wherein: the sum of the thicknesses of the inner recess (1013) and the outer recess (1014) is equal to the thickness of the narrow strip (101).

5. The peelable heat shrinkable tube of claim 4, wherein: the inner concave part (1013) and the outer concave part (1014) are connected by high temperature resistant glue.