CN2539535Y

CN2539535Y - Medium heater in transfusion tube by heating source directly heating to transfusion tube

Info

Publication number: CN2539535Y
Application number: CN 02202677
Authority: CN
Inventors: 刘忠新
Original assignee: BEIJING XINHEFENG MEDICAL TECHNOLOGY Co Ltd
Current assignee: BEIJING XINHEFENG MEDICAL TECHNOLOGY Co Ltd
Priority date: 2002-02-04
Filing date: 2002-02-04
Publication date: 2003-03-12
Anticipated expiration: 2012-02-04

Abstract

The utility model relates to a medium heater in the infusion tube in which a heat source heats the infusion tube directly. The utility model aims to supply a assistant device with a simple structure, a compact size, a low cost, a high heat efficiency, a small heat inertia, a high sensitivity and is applicable for inputting the medium into the apparatus. The utility model comprises the heat resource, a bearing body for bearing the zigzag groove of the infusion tube and a cover plate. The heat source is a plurality of heating elements which are in the inner section in the zigzag groove in the bearing body and corresponding to and inserted in the infusion tube section.

Description

Heating source is directly to dielectric heater in the tube for transfusion of tube for transfusion heating

Technical field

This utility model belongs to imports apparatus auxiliary device in the body with medium, and particularly a kind of heating source is directly to dielectric heater in the tube for transfusion of tube for transfusion heating.

Background technology

With medium, as in the input human bodies such as blood, medicinal liquid, nutritional solution being one of important means that the patient is treated, nurses.Owing to be that media such as blood, medicinal liquid, nutritional solution must refrigerated storages, keeping its curative effect, and before the input human body, medium is taken out from freezing equipment people, make it at room temperature carry out preheating, with the temperature of raising medium.But the temperature of commonly using through medium after preheating normal body temperature gap common and patient is bigger, the southern area that does not particularly have warming installation in the winter time, the temperature of medium and patient's normal body temperature gap is then bigger, when the patient being imported this temperature far below the medium of patient's normal body temperature by tube for transfusion, not only make the patient produce sense of discomfort, and, will be unfavorable for the normal rehabilitation of patient undoubtedly because of consuming the temperature of suffering from body intimate heat raising medium.

For this reason, adopt the interior dielectric heater of tube for transfusion that medium in the tube for transfusion is heated usually, to improve the temperature of medium.Dielectric heater comprises that heating source and heating source use the heat exchange media that tube for transfusion is heated in the tube for transfusion of commonly using.

As shown in Figure 5, the known interior dielectric heater of tube for transfusion comprises heating source 1a, heat exchange media 2a and location cover plate 3a.Heating source 1a heats tube for transfusion and interior medium thereof by heat exchange media 2a.

Made by the high material of heat conductivity for the heat exchange media 2a system of heat conductor, its end face is provided with the indentation groove 21a of ccontaining tube for transfusion, and groove 21a extends at two ends the most side of heat conductor heat exchange media 2a; Directly with for heating source 1a such as heating wire paste touch the bottom surface of heat exchange media 2a.Location cover plate 3a is for being made the plate body that lid places heat exchange media 2a end face by adiabator.

During use, tube for transfusion is placed in the heat exchange media 2a end face indentation groove 21a, and opens heating source 1a, the heat of its generation conducts to tube for transfusion and interior medium thereof through heat exchange media 2a, to tube for transfusion and the heating of interior medium thereof, so that medium is warming up to the normal body temperature near the patient.

Dielectric heater in this tube for transfusion of commonly using, because it needs via for the heat exchange media 2 of heat conductor conducts to tube for transfusion with the heat of heating source 1, not only the thermal efficiency is low, and thermal inertia is bigger, poor sensitivity often is difficult to thermoregulation with medium to the state approaching with patient's normal body temperature; And its cost is higher.

Heat exchange media also can be and holds the recirculated water of containing in container.Heating source is to heating for holding the heat exchange media of containing the recirculated water in container.During use, place appearance to contain in the heat exchange media of recirculated water on the tube for transfusion dish, and open heating source, the heat of its generation will be the heat exchange media heat temperature raising of recirculated water, and dish placed medium heat temperature raising in the tube for transfusion in it, so that the temperature of medium is near patient's normal body temperature.

Dielectric heater in this tube for transfusion of commonly using, not only need be provided with in addition to hold to contain and be the heat exchange media of recirculated water, complex structure, bulky, manufacturing cost is high, and because it needs via for the heat exchange media of recirculated water is directed at tube for transfusion with the transmission of heating source heat, the thermal efficiency is lower.

Summary of the invention

The purpose of this utility model provides a kind of simple in structure, volume is little, cost is low, the thermal efficiency is high, thermal inertia is little, highly sensitive heating source directly to dielectric heater in the tube for transfusion of tube for transfusion heating.

This utility model comprises heating source, has the support body and the cover plate of the tortuous groove of bearing tube for transfusion; Heating source places the heating element heater that takes the shape of the letter U of and the inlay card corresponding with the tube for transfusion cross section of cross section in the tortuous groove of support body for number.

Wherein:

Heating element heater is by insulation film and is attached to the thin-film electrothermal component that thermal conducting material is formed on the insulation film.

Articulate with hinge between cover plate and the support body; Support body and cover plate periphery are installed with upper and lower half housing respectively.

Lid surface be convexly equipped with support body on the corresponding tortuous raised line of tortuous groove.

Tortuous groove is the tortuous groove of the penetration state that forms the seam edge on the support body; Housing lower half be convexly equipped with support body on the corresponding support edge of the tortuous groove of penetration state; Place the heating element heater bottom support that takes the shape of the letter U in the tortuous groove of support body on the support edge of housing lower half, its two apical margins top terminates in bearing on tortuous groove seam edge.

Because this utility model comprises heating source, has the support body and the cover plate of the tortuous groove of bearing tube for transfusion; Heating source places the heating element heater that takes the shape of the letter U of and the inlay card corresponding with the tube for transfusion cross section of cross section in the tortuous groove of support body for number.During use, tube for transfusion is embedded in the heating element heater that the heating source number takes the shape of the letter U, so that tube for transfusion closely contacts with heating element heater; And several heating element heaters of connection heating source; The heat that heating source produces is directly to tube for transfusion and the heating of interior medium thereof, so that medium is warming up to the normal body temperature near the patient.Because heating element heater thermal capacity is little, so its thermal inertia is little, can in time controls heat and supply with, highly sensitive, as to be suitable for medium in input human body input speed wide ranges; And because of thermal efficiency height directly heats to tube for transfusion and interior medium thereof in heating source system.Not only simple in structure, volume is little, cost is low, and thermal efficiency height, thermal inertia are little, highly sensitive, thereby reach the purpose of this utility model.

Description of drawings

Fig. 1, be this utility model structural representation vertical view (open mode).

Fig. 2, be this utility model structural representation cutaway view.

Fig. 3, be that this utility model desires the user mode sketch map.

Fig. 4, be this utility model user mode cutaway view.

Fig. 5, be dielectric heater structural representation cutaway view in the tube for transfusion commonly used.

The specific embodiment

As Fig. 1, Fig. 2, shown in Figure 3, cover plate 4 that this utility model comprises heating source 1, has the support body 2 of bearing tube for transfusion 7 tortuous grooves 21, articulate with hinge 3 with support body 2 and affixed with support body 2 and cover plate 4 respectively upper and

lower half housing

5,6.

Heating source 1 places the heating element heater that takes the shape of the letter U 11 of and the inlay card corresponding with tube for transfusion 7 cross sections of cross sections in the support body 2 tortuous grooves 21 for number.

Heating element heater 11 is by insulation film and is attached to the thin-film electrothermal component that thermal conducting material is formed on the insulation film.

Tortuous groove 21 is the tortuous groove of the penetration state that forms seam edge 22 on the support body 2.

Cover plate 4 surfaces be convexly equipped with support body 2 on tortuous groove 21 corresponding tortuous raised lines 41.

Housing lower half 6 be convexly equipped with support body 2 on the tortuous groove 21 corresponding support edges 61 of penetration state.

Place heating element heater 11 bottom supports that take the shape of the letter U in the support body 2 tortuous grooves 21 on the support edge 61 of housing lower half 6, its two apical margins top terminates on the support body 2 tortuous groove 21 seam edge 22.

During use, as shown in Figure 3, Figure 4, tube for transfusion 7 is embedded in heating source 1 number in the heating element heater that takes the shape of the letter U 11 of thin-film electrothermal component, so that tube for transfusion 7 closely contacts with heating element heater 11; And several heating element heaters 11 electric lead power supplys of connection heating source 1; The heat that heating source 1 produces is directly to tube for transfusion 7 and the heating of interior medium thereof, so that medium is warming up to the normal body temperature near the patient.Because heating element heater 11 thermal capacity that are thin-film electrothermal component are little, so its thermal inertia is little, can in time controls heat and supply with, highly sensitive, as to be suitable for medium in input human body input speed wide ranges; And because of heating source 1 is directly to tube for transfusion 7 and the heating of interior medium thereof, thermal efficiency height.

Claims

1, a kind of heating source is directly to dielectric heater in the tube for transfusion of tube for transfusion heating, and it comprises heating source, has the support body and the cover plate of the tortuous groove of bearing tube for transfusion; It is characterized in that described heating source places the heating element heater that takes the shape of the letter U of and the inlay card corresponding with the tube for transfusion cross section of cross section in the tortuous groove of support body for number.

2, heating source according to claim 1 is characterized in that directly to dielectric heater in the tube for transfusion of tube for transfusion heating described heating element heater is by insulation film and is attached to the thin-film electrothermal component that thermal conducting material is formed on the insulation film.

3, heating source according to claim 1 directly to dielectric heater in the tube for transfusion of tube for transfusion heating, is characterized in that articulating with hinge between described cover plate and the support body; Support body and cover plate periphery are installed with upper and lower half housing respectively.

4, heating source according to claim 3 is directly to dielectric heater in the tube for transfusion of tube for transfusion heating, it is characterized in that described lid surface be convexly equipped with support body on the corresponding tortuous raised line of tortuous groove.

5, according to claim 3 or 4 described heating sources directly to dielectric heater in the tube for transfusion of tube for transfusion heating, it is characterized in that tortuous groove is the tortuous groove of the penetration state that forms the seam edge on the described support body; Housing lower half be convexly equipped with support body on the corresponding support edge of the tortuous groove of penetration state; Place the heating element heater bottom support that takes the shape of the letter U in the tortuous groove of support body on the support edge of housing lower half, its two apical margins top terminates in bearing on tortuous groove seam edge.