CN2201948Y

CN2201948Y - Automatic temp.-limiting transfusion heater

Info

Publication number: CN2201948Y
Application number: CN 94220293
Authority: CN
Inventors: 裘献吉; 穆春
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-09-01
Filing date: 1994-09-01
Publication date: 1995-06-28
Anticipated expiration: 2004-09-01

Abstract

The utility model discloses an auxiliary electric heating device for medical care nursing for heating dielectric fluid in an infusion pipe. The utility model is formed by sheathing an internal and an external pipes. The infusion pipe is penetrated through a slot cavity between the internal and the external pipes, and the periphery of the infusion pipe is provided with PTC electrical heating elements. Insertion slots are arranged on the internal and the external pipes which can be mutually staggered and rotated to close the insertion slots to make the infusion pipe lie in a relative closed cavity to be used, and thermal insulation effects are good. The utility model is suitable for infusion operation under the condition of lower environmental temperature in winter.

Description

Automatic temp.-limiting transfusion heater

This utility model belongs to electric heating device, specifically a kind of medium is imported the auxilliary electric heating device of establishing of intravital transfusion device.

The disclosed infusion thermostat of ZL93238427.7, its organization plan are at the next door of PTC heating setting-in tube for transfusion, and the liquid in the tube for transfusion is heated, and peripheral pillar cladding with the band caulking groove is so as to playing fixation.Its weak point is that vertical caulking groove of this structure is outwardly open, communicates with the external world, and actual temperature is restive, and constant temperature effect difficulty reaches.

The purpose of this utility model is to propose that a kind of improved technical scheme after the improvement can make heating effect be improved from limitting the technical scheme of warm infusion warmer, can meet the requirements of temperature quickly and stably works in the temperature range that element limits.And fixed effect is better.

Technical scheme from the warm infusion warmer of limit is: mainly be made up of PTC heating, transfusion lumen, pillar, it is characterized in that said pillar cooperates the suit one by interior pipe and outer tube, all have on the tube wall and make to embed the caulking groove that tube for transfusion is used, interior pipe can rotate the sealing caulking groove with respect to outer tube, heating is contained in the interior pipe, the centre is a transfusion lumen, and the opening in chamber is consistent with interior pipe caulking groove.

The utility model has the advantages that:

1, because pillar is the inner and outer pipe shrink-fit structure, can seal caulking groove after the rotation, and form the stable air isolation section, make the section of heating temperature reach hygral equilibrium rapidly and reduced scattering and disappearing of heat, thus fixing safe and reliable, and energy-conservation effect is arranged.

When 2, heating adopts two groups of correspondences in parallel, can reach the temperature that transfusion needs quickly.

3, to have kept prior art constructions simple for the technical program, and cost is low, easily makes characteristics easy to use.

Further be illustrated below in conjunction with embodiment and accompanying drawing thereof:

Fig. 1 is the structural representation of embodiment

Fig. 2 is that the A of Fig. 1 is to cutaway view

Referring to having vertical outer tube caulking groove 2 on Fig. 1, Fig. 2, the outer tube 1, with have in interior pipe 3 fit mutually of pipe caulking groove 4, can rotate each other, with the caulking groove sealing, forms the inner chamber of one insulation effect after the rotation.In pipe 3 intracavity two PTC heatings 8 are housed, draw outer tube 1 after the parallel connection, by go between 7 and plug join with power supply, manage in tube for transfusion 5 is embedded in and the centre of heating.The PTC heating has constant temperature heating and limit temperature effect certainly, at the intracavity of a relative closure, the heat that heating sent is concentrated, and loss is few, therefore this structure can be brought into play the unique effect that this element itself has more fully, reaches the purpose that the liquid in the tube for transfusion steadily heats.

The 6th, hang and use rope, make auxiliary fixed warmer usefulness, 7 external power supplys go between.Interior pipe 3, outer tube 1 usefulness hard heatproof plastics are made.

This warmer outer tube 1, interior pipe 3 fits are mounted to one, after caulking groove is aimed at, tube for transfusion is embedded, push position in the middle of the interior pipe 3 intermediary heatings, rotate outer tube 1, the caulking groove sealing that interlaces, carry out transfusion preparation then, can connect with the mains, the heating heating power, the infusion medium in the tube for transfusion is heated intensification thereupon.Be particularly suitable for the lower occasion of winter environment temperature and carry out the transfusion nursing operation for patient.

Claims

1, a kind of from limitting warm infusion warmer, mainly by PTC heating (8), transfusion lumen (9), pillar (1,3) is formed, and it is characterized in that said pillar is integral by interior pipe (3) and outer tube (1) suit, all has on the tube wall to make to embed the caulking groove that tube for transfusion is used, interior pipe (3) can rotate sealing caulking groove (2,4) with respect to outer tube, heating is contained in the interior pipe (3), and the centre is transfusion lumen (9), and the opening in chamber is consistent with interior pipe caulking groove (4).