CN210542727U - Medical heat-insulation transfusion device - Google Patents

Abstract

The utility model provides a medical heat preservation infusion set, it includes: the heat preservation transfer line, the heat preservation transfer line includes interior insulating tube and sets up the outer insulating tube outside the insulating tube including, the inner chamber of interior insulating tube forms the infusion passageway, be equipped with a plurality of strengthening ribs along its extending direction on the outer peripheral face of interior insulating tube and/or the inner peripheral surface of outer insulating tube, medical heat preservation infusion set is still including connecting first joint and the second joint at the both ends of heat preservation transfer line, first joint and second joint have respectively with the connected passage of infusion passageway intercommunication, form the cavity between interior insulating tube and the outer insulating tube, first joint and second joint block up the both ends of cavity respectively. The technical scheme of the utility model the effectual cavity of having solved the third heat preservation of single-deck heat preservation and three-layer heat preservation in prior art only plays the heat preservation effect in the part and all leads to the heat preservation effect not good and prevent under the situation that reduces the heat preservation pipe wall thickness as far as possible that the transfer line from easily buckling and arousing the problem of jam or blood return.

Description

Medical heat-insulation transfusion device

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to medical heat preservation infusion set.

Background

At present, in the process of infusion treatment of general diseases, the closer the temperature of infusion liquid to the body temperature of a human body is, the better the infusion liquid temperature is, and the far lower the infusion liquid temperature is in winter, patients can feel uncomfortable, for example, the local body of the infusion is cold, numb and painful, other diseases can be caused in severe cases, even shock of the patients is caused, and the infusion liquid needs to be heated. In addition, some treatment methods for cooling the infusion liquid, such as sub-hypothermia treatment, exist in the prior art. Sub-hypothermia treatment is a method of physically lowering the body temperature of a patient to a desired level for the purpose of treating a disease, and can protect organs from damage. To date, sub-hypothermia treatment has been applied to a variety of brain injury diseases. The classification of sub-hypothermia treatment modalities is classified into extravascular and intravascular cooling methods according to the ways in which body temperature is induced and maintained. Among them, the intravascular cooling method refers to a large-volume low-temperature liquid infusion method, which is actively applied with the advantages of no need of commercial products, rapid induction cooling, no obvious complications, and the like.

In short, in the above treatment method, the infusion liquid needs to be heated or cooled, the treated infusion liquid needs to flow through the infusion tube before entering the human body, and because the infusion tube has no heat preservation function, energy exchange between the treated infusion liquid and the outside can be generated when the treated infusion liquid flows in the infusion tube, and the temperature is greatly changed, so that the temperature of the infusion liquid input to the patient cannot be accurately controlled. Especially in sub-hypothermia treatment, the temperature is high or low, which greatly affects the treatment effect. Therefore, an efficient and convenient heat-insulating infusion tube is urgently needed.

In order to solve the above problems, the following two schemes are mainly adopted in the prior art:

the first solution is to add a single layer of heat insulation layer to the infusion tube, specifically, in patent document CN201061654Y, it discloses the following: the heat-preservation infusion tube comprises an infusion hose and a heat-preservation and heat-insulation layer arranged outside the infusion hose, and the heat-preservation and heat-insulation layer is a single layer and has poor heat-preservation effect.

The second solution is to add three layers of heat insulation layer to the infusion tube, specifically, in patent document CN203943954U, it discloses the following: the medical heat-preservation infusion tube comprises an infusion guide tube arranged outside a heat-preservation liquid supply chamber, wherein a heat-preservation layer is arranged on the infusion guide tube and comprises a first heat-preservation layer, a second heat-preservation layer and a third heat-preservation layer, the first heat-preservation layer is arranged on the outer layer of the infusion guide tube, the second heat-preservation layer is arranged on the outer layer of the first heat-preservation layer, and the third heat-preservation layer is arranged on the outer layer of the second heat-preservation layer; the third heat-insulating layer can freely slide on the second heat-insulating layer; the middle part of the third heat-insulating layer is provided with a cavity. The heat insulation structure is complex, the third heat insulation layer is a movable local heat insulation layer, a cavity is arranged in the middle of the third heat insulation layer, the cavity can only play a role locally, and the heat insulation effect is not good.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a medical thermal insulation infusion device to solve the problem that the cavity of the third thermal insulation layer of the single-layer thermal insulation layer and the three-layer thermal insulation layer in the prior art only has the thermal insulation effect locally to result in poor thermal insulation effect and easy bending of the infusion tube to cause tube blockage or blood return.

In order to achieve the above object, the utility model provides a medical heat preservation infusion set, include: the heat preservation transfer line, the heat preservation transfer line includes interior insulating tube and sets up the outer insulating tube outside the insulating tube including, the inner chamber of interior insulating tube forms the infusion passageway, be equipped with a plurality of strengthening ribs along its extending direction on the outer peripheral face of interior insulating tube and/or the inner peripheral surface of outer insulating tube, medical heat preservation infusion set is still including connecting first joint and the second joint at the both ends of heat preservation transfer line, first joint and second joint have respectively with the connected passage of infusion passageway intercommunication, form the cavity between interior insulating tube and the outer insulating tube, first joint and second joint block up the both ends of cavity respectively.

Furthermore, a plurality of reinforcing ribs are uniformly distributed along the circumferential direction of the heat-preservation infusion tube.

Furthermore, one ends of the first joint and the second joint, which are close to the heat preservation infusion tube, are respectively provided with an annular groove which extends inwards and is used for installing the inner heat preservation tube and the outer heat preservation tube, and the annular grooves are positioned outside the connecting channel.

Further, be equipped with in the annular groove and be annular baffle to separate into first annular groove and second annular groove with the annular groove, the second annular groove is located the outside of first annular groove, and the end connection of interior insulating tube is in first annular groove, and the end connection of outer insulating tube is in the second annular groove.

Furthermore, the annular groove is provided with one, the inner heat preservation pipe is connected to the inner peripheral wall of the annular groove, and the outer heat preservation pipe is connected to the outer peripheral wall of the annular groove.

Furthermore, the medical heat-preservation infusion device also comprises a first needle connected to the first connector, and the first needle is used for infusing liquid into a human body.

Further, the first needle is connected with the first connector through threads or welding or bonding.

Furthermore, the medical heat-preservation infusion device also comprises a second needle used for being connected with an infusion bottle and an infusion tube connected between the second joint and the second needle, and the infusion tube is positioned in the heat-preservation liquid supply chamber.

Further, the infusion tube is connected with the second joint through threads or welding or bonding.

The utility model discloses technical scheme has following advantage: the heat preservation transfer line includes interior insulating tube and sets up the outer insulating tube outside the insulating tube, and the both ends of heat preservation transfer line are connected with first joint and second respectively and connect, form the cavity between interior insulating tube and the outer insulating tube, and first joint and second connect the both ends of shutoff cavity respectively for the heat preservation transfer line of cavity between first joint and second connect plays the heat preservation effect like this, has strengthened the thermal insulation performance of insulating tube, and it is effectual to keep warm. The outer peripheral surface of the inner heat preservation pipe and/or the inner peripheral surface of the outer heat preservation pipe are/is provided with a plurality of reinforcing ribs along the extension direction of the inner heat preservation pipe, so that the wall thickness of the heat preservation pipe is reduced as much as possible, and the problems of blockage and blood return caused by bending of the heat preservation pipe are prevented.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts. In the drawings:

FIG. 1 is a schematic front view of a first embodiment of a medical thermal infusion device in accordance with the present invention;

FIG. 2 shows a schematic partial cross-sectional view of the medical thermal infusion device of FIG. 1;

FIG. 3 shows a schematic longitudinal cross-sectional view of an insulated infusion tube of the medical insulated infusion device of FIG. 1;

FIG. 4 shows a schematic cross-sectional view of the insulated infusion tube of FIG. 3;

FIG. 5 is a schematic longitudinal cross-sectional view of a first connector of the medical thermal infusion device of FIG. 1;

fig. 6 shows a schematic longitudinal cross-sectional view of a second connector of the medical thermal infusion device of fig. 1.

FIG. 7 is a schematic cross-sectional view of a thermal insulation infusion tube according to a second embodiment of the medical thermal insulation infusion device of the present invention;

FIG. 8 is a schematic longitudinal cross-sectional view of a first connector of the medical thermal infusion device of FIG. 7;

fig. 9 shows a schematic longitudinal cross-sectional view of the second connector of the medical thermal infusion device of fig. 7.

Wherein the reference numerals in the above figures are:

10. a heat-preservation infusion tube; 11. an inner insulating tube; 111. a fluid infusion channel; 112. reinforcing ribs; 12. an outer insulating tube; 20. a first joint; 21. a connecting channel; 22. an annular groove; 221. a first annular groove; 222. a second annular groove; 23. a partition plate; 30. a second joint; 40. a first needle; 50. a second needle; 60. an infusion tube.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

As shown in fig. 1 to 3, the medical thermal infusion device of the present embodiment includes: the heat preservation transfer line 10, medical heat preservation infusion set still include first joint 20 and second joint 30 of connecting at the both ends of heat preservation transfer line 10, heat preservation transfer line 10 includes interior insulating tube 11 and sets up outer insulating tube 12 outside including insulating tube 11, the inner chamber of interior insulating tube 11 forms infusion passageway 111, first joint 20 and second joint 30 have respectively with the connecting channel 21 of infusion passageway 111 intercommunication, form the cavity between interior insulating tube 11 and the outer insulating tube 12, first joint 20 and second joint 30 block the both ends of cavity respectively.

Use the medical heat preservation infusion set of this embodiment, heat preservation transfer line 10 includes interior insulating tube 11 and sets up including the outer insulating tube 12 of insulating tube 11 outside, the both ends of heat preservation transfer line 10 are connected with first joint 20 and second joint 30 respectively, form the cavity between interior insulating tube 11 and the outer insulating tube 12, the both ends of cavity are blocked up respectively to first joint and second joint, make the heat preservation transfer line of cavity between first joint and second joint play the heat preservation effect like this, the thermal insulation performance of insulating tube has been strengthened, it is effectual to keep warm. Moreover, the structure utilizes the principle of poor air heat conduction effect, the heat insulation performance of the heat insulation infusion tube is enhanced, the problem that the temperature of the common infusion tube is deviated due to the fact that energy exchange is easily carried out between the common infusion tube and the external environment in the liquid input process is solved, and the temperature of the infused liquid is ensured to be more accurate.

In this embodiment, the ends of the first connector 20 and the second connector 30 adjacent to the insulated infusion tube 10 have an annular groove 22 extending inwardly for mounting the inner insulated tube 11 and the outer insulated tube 12, respectively, the annular groove 22 being located outside the connection channel 21. The annular groove 22 is convenient for installing the inner heat-insulating pipe 11 and the outer heat-insulating pipe 12, so that the connection of the heat-insulating infusion pipe is more convenient, efficient and reliable, and the production and assembly processes are simple and rapid.

In the present embodiment, as shown in fig. 5 and 6, one annular groove 22 is provided, and the inner heat insulating pipe 11 is attached to the inner peripheral wall of the annular groove 22, and the outer heat insulating pipe 12 is attached to the outer peripheral wall of the annular groove 22. The joint is convenient to process, and the processing difficulty is reduced. Specifically, the inner heat insulating pipe 11 is bonded to the inner peripheral wall of the annular groove 22, and the outer heat insulating pipe 12 is bonded to the outer peripheral wall of the annular groove 22. The inner heat-insulating pipe 11 and the outer heat-insulating pipe 12 are directly inserted into the grooves in the joints for bonding, the connection is simple, flexible, convenient and fast, extra processing is not needed, and the requirement on workers is low. Of course, the inner insulating pipe 11 and the outer insulating pipe 12 may be connected to the joint by other methods such as welding.

In the present embodiment, as shown in fig. 4, a plurality of ribs 112 are provided on the outer peripheral surface of the inner insulating pipe 11 in the extending direction thereof. The reinforcing ribs 112 not only increase the strength of the infusion tube, but also improve the bending resistance of the infusion tube, and reduce the blockage or blood return phenomenon caused by bending of the heat-preservation infusion tube in the infusion process. Specifically, the plurality of reinforcing ribs 112 are uniformly distributed along the circumferential direction of the inner insulating pipe 11. Preferably, the number of the reinforcing ribs 112 is 4 to 8. Of course, the number of the reinforcing ribs is not limited thereto. The inner heat preservation pipe 11 and the outer heat preservation pipe 12 are made of heat preservation materials with good flexibility, the deformation capacity of the pipe body is improved by the materials and the characteristics of a thinner pipe wall, and the heat preservation purpose is achieved by the heat insulation of the two heat preservation pipes and the action of the cavity.

In this embodiment, the medical thermal infusion device further comprises a first needle 40 connected to the first connector 20, the first needle 40 being used for infusing a liquid into a human body. Specifically, the first needle 40 is screwed to the first connector 20, and the screwing is easy. Of course, the first needle 40 and the first connector 20 may be connected by welding or bonding, and the structure of the connector is shown in fig. 6.

In the present embodiment, as shown in fig. 1 and 2, the medical heat preservation infusion device further includes a second needle 50 for connecting with an infusion bottle and an infusion tube 60 connected between the second joint 30 and the second needle 50, wherein the infusion tube 60 is located in the heat preservation infusion chamber. The heat preservation infusion tube is connected with the infusion bottle through the second joint 30, the infusion tube 60 and the second needle 50. The infusion tube 60 is a normal infusion tube, which does not have a heat preservation function.

In the present embodiment, as shown in fig. 2 and 6, one end of the infusion tube 60 is connected to the connection passage 21. Specifically, one end of the infusion tube 60 is bonded in the connection passage 21. The bonding connection is firmer, and the liquid leakage is prevented. Of course, the infusion tube 60 may be screwed or welded to a threaded second connector, the connector structure being as shown in fig. 5.

In the present embodiment, the connection mode of the first needle 40 and the first connector 20 is the same as the connection mode of the infusion tube 60 and the second connector 30, but of course, the connection mode of the first needle 40 and the first connector 20 and the connection mode of the infusion tube 60 and the second connector 30 may be different, and the connection mode may be selected according to actual situations.

In this embodiment, the inner thermal insulation pipe 11 and the outer thermal insulation pipe 12 are both made of medical polymer materials with thermal insulation function. The first connector 20 and the second connector 30 are both made of heat-insulating materials, so that heat exchange is less in the infusion process, the temperature control precision is improved, and the treatment risk is reduced.

In this embodiment, when the inner insulating pipe 11 and the outer insulating pipe 12 are produced, the inner insulating pipe 11 and the outer insulating pipe 12 are directly extruded, so that the production and the forming are convenient, the complicated forming process of the corrugated pipe is omitted, and the production efficiency is greatly improved.

To sum up, the medical heat-preservation infusion device comprises a heat-preservation infusion tube 10 and a heat-preservation infusion tube 60, the heat-preservation infusion tube 10 is connected with the heat-preservation infusion tube 60 through a second joint 30, one end, far away from the second joint 30, of the heat-preservation infusion tube 60 is connected with a second needle 50 connected with an infusion bottle, one end, far away from the second joint 30, of the heat-preservation infusion tube 10 is connected with a first needle 40 through a first joint 20, and the first needle 40 is used for infusion of a human body. The transfer line 60 that does not keep warm sets up in keeping warm and giving the liquid chamber, heat preservation transfer line 10 includes interior insulating tube, the cavity three layer construction that forms between outer insulating tube and interior insulating tube and the outer insulating tube, utilize the poor principle of air heat conduction effect, strengthen the thermal insulation performance of heat preservation transfer line, whole root heat preservation transfer line is few at the infusion in-process heat exchange, the problem that the ordinary transfer line carries out the energy exchange easily with external environment at liquid input in-process and leads to the temperature deviation to appear has been solved, guarantee that the temperature of infusion liquid is more accurate, the accurate accuse temperature infusion of liquid medicine has been realized, the control by temperature change precision has been improved, treatment risk has been reduced. 4 ~ 8 strengthening ribs are equipped with on the surface of interior heat preservation pipe, and the design of strengthening rib 112 has increased the intensity, toughness and the resistant bending nature of heat preservation transfer line, has reduced the heat preservation transfer line because of the jam phenomenon that buckles and arouse in the infusion process.

Example two

Fig. 7 to 9 show the structure of a second embodiment of the medical heat preservation infusion device, which is different from the first embodiment in the arrangement position of the reinforcing ribs and the number of the annular grooves, in the second embodiment, a ring-shaped baffle plate 23 is arranged in the annular groove 22 to divide the annular groove 22 into a first annular groove 221 and a second annular groove 222, the second annular groove 222 is positioned outside the first annular groove 221, the end part of the inner heat preservation tube 11 is connected in the first annular groove 221, and the end part of the outer heat preservation tube 12 is connected in the second annular groove 222; the inner peripheral surface of the outer heat-insulating pipe 12 is provided with a plurality of ribs 112 extending in the extending direction thereof. The reinforcing ribs 112 not only increase the strength of the infusion tube, but also improve the bending resistance of the infusion tube, and reduce the blockage phenomenon caused by bending of the heat-preservation infusion tube in the infusion process.

In the present embodiment, as shown in fig. 8 and 9, the inner heat-insulating pipe 11 is coupled in the first annular groove 221, and the outer heat-insulating pipe 12 is coupled in the second annular groove 222. The joint is convenient to process, and the processing difficulty is reduced. Specifically, the inner insulating tube 11 is bonded in the first annular groove 221, and the outer insulating tube 12 is bonded in the second annular groove 222. The inner heat-insulating pipe 11 and the outer heat-insulating pipe 12 are directly inserted into the grooves in the joints for bonding, the connection is simple, flexible, convenient and fast, extra processing is not needed, and the requirement on workers is low. Of course, the inner insulating pipe 11 and the outer insulating pipe 12 may be connected to the joint by other methods such as welding.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (9)

1. A medical thermal infusion device comprising: the heat-preservation infusion tube (10), the heat-preservation infusion tube (10) comprises an inner heat-preservation tube (11) and an outer heat-preservation tube (12) arranged outside the inner heat-preservation tube (11), an infusion channel (111) is formed in the inner cavity of the inner heat-preservation tube (11), it is characterized in that a plurality of reinforcing ribs (112) are arranged on the outer circumferential surface of the inner heat preservation pipe (11) and/or the inner circumferential surface of the outer heat preservation pipe (12) along the extension direction, the medical heat-preservation transfusion device also comprises a first joint (20) and a second joint (30) which are connected with the two ends of the heat-preservation transfusion tube (10), the first connector (20) and the second connector (30) each have a connection channel (21) communicating with the infusion channel (111), a cavity is formed between the inner heat-insulating pipe (11) and the outer heat-insulating pipe (12), the first connector (20) and the second connector (30) respectively seal two ends of the cavity.

2. The medical heat-preservation infusion device as claimed in claim 1, wherein a plurality of the reinforcing ribs (112) are uniformly distributed along the circumferential direction of the heat-preservation infusion tube (10).

3. The medical thermal infusion device according to claim 1, characterized in that the ends of the first connector (20) and the second connector (30) close to the thermal infusion tube (10) are respectively provided with an annular groove (22) extending inwards and used for mounting the inner thermal tube (11) and the outer thermal tube (12), the annular groove (22) being located outside the connection channel (21).

4. The medical thermal infusion device according to claim 3, characterized in that a baffle (23) is annularly arranged in the annular groove (22) to divide the annular groove (22) into a first annular groove (221) and a second annular groove (222), the second annular groove (222) is positioned outside the first annular groove (221), the end of the inner thermal tube (11) is connected in the first annular groove (221), and the end of the outer thermal tube (12) is connected in the second annular groove (222).

5. The medical thermal infusion device as claimed in claim 3, wherein one of the annular grooves (22) is provided, the inner thermal tube (11) is connected to an inner peripheral wall of the annular groove (22), and the outer thermal tube (12) is connected to an outer peripheral wall of the annular groove (22).

6. The medical thermal infusion device of claim 1 further comprising a first needle (40) attached to the first connector (20), the first needle (40) being configured to deliver fluid to a body.

7. The medical thermal infusion device of claim 6, wherein the first needle (40) is connected to the first connector (20) by threading or welding or adhesive bonding.

8. The medical thermal infusion device as claimed in claim 1, further comprising a second needle (50) for connecting with an infusion bottle and an infusion tube (60) connected between the second connector (30) and the second needle (50), wherein the infusion tube (60) is located in the thermal infusion chamber.

9. The medical thermal infusion device as claimed in claim 8, wherein the infusion tube (60) is connected to the second connector (30) by a screw thread or welding or adhesive bonding.

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