CN112843395B

CN112843395B - Blood nursing heating device

Info

Publication number: CN112843395B
Application number: CN202110140797.5A
Authority: CN
Inventors: 乔艳萍; 孙江涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2022-10-28
Anticipated expiration: 2041-02-02
Also published as: CN112843395A

Abstract

The invention relates to the technical field of medical care and discloses a blood care heating device which comprises a shell, wherein a tube clamping groove is formed in the side surface of the shell, a liquid storage cavity is formed in the inner cavity of the shell, and an electric heating tube is fixedly installed in the middle of the liquid storage cavity. According to the blood transfusion warmer, the overheating cooling mechanism is arranged, so that when the blood transfusion warmer normally works, the temperature of liquid in the liquid storage cavity rises too high due to abnormal working of the sensor, and the temperature of blood in a blood transfusion tube is influenced to be raised, the liquid in the evaporation cavity at the upper end of the cooling cylinder is heated and vaporized, the pressure in the evaporation cavity is increased, the heat conducting rod is pushed downwards, the lower pressing block is pushed downwards to overcome the elastic force of the first spring to move downwards, the lower end of the heat conducting rod is in contact with cooling liquid in the cooling cavity, and the liquid in the liquid storage cavity is rapidly cooled under the action of heat exchange of the liquid storage cavity and the liquid in the cooling cavity by the heat conducting rod, so that medical accidents caused by too high temperature of the blood due to faults of the sensor are avoided.

Description

Blood nursing heating device

Technical Field

The invention relates to the technical field of medical care, in particular to a blood care heating device.

Background

In the operation treatment process, the nursing of supplementary infusion and blood transfusion all need to be carried out under many circumstances to guarantee that patient's life index is normal, but blood bag and infusion bag are because need keep drug effect and cell activity generally to be stored in lower temperature environment, and direct input patient is internal can cause the patient to be sick and uncomfortable, can influence patient's health even, then just need to heat the blood in the blood bag.

The traditional blood warming is usually carried out by a blood transfusion warmer, the blood transfusion tube is wound on the surface of a heater, so that the temperature of the blood flowing through the blood transfusion tube is raised, the blood can be quickly injected into a patient body, but when the blood is warmed, the temperature cannot exceed thirty-eight degrees centigrade, so that the acute hemolytic reaction caused by red blood cell damage or damage is avoided, although the traditional blood transfusion warmer is provided with a temperature sensor for detecting the temperature, a physical method is still needed as the last layer of insurance, the medical accident caused by the failure of the sensor is avoided, and an emergency alarm mechanism is needed for reminding medical personnel of abnormal equipment operation.

Disclosure of Invention

Aiming at the defects of the existing blood transfusion warmer in the background technology in the using process, the invention provides the blood nursing warming device which has the advantages of overheating cooling and emergency alarming, and solves the technical problems in the background technology.

The invention provides the following technical scheme: blood nursing heating apparatus, which comprises a housin, the card pipe slot has been seted up to the side of casing, the inner chamber of casing is provided with the stock solution chamber, the middle part fixed mounting in stock solution chamber has the electrothermal tube, the middle part fixed mounting in stock solution chamber has a cooling section of thick bamboo that is located the electrothermal tube middle part, the upper end of a cooling section of thick bamboo inner chamber is provided with the evaporation chamber, the heat conduction pole has been cup jointed in the lower extreme activity of a cooling section of thick bamboo inner chamber, the lower extreme fixedly connected with cooling cylinder of casing, the inner chamber of cooling cylinder is provided with the cooling chamber, the upper end movable mounting in cooling chamber has the lower briquetting with heat conduction pole lower extreme fixed connection, the upper surface of briquetting side passes through first spring swing joint with the middle part of casing lower surface down.

Preferably, the inner chamber volume of cooling chamber is less, the inner wall movable mounting of cooling cylinder side has a rotation section of thick bamboo, the upper end fixedly connected with of rotation section of thick bamboo is located the blade of cooling chamber lateral wall, and the blade is certain angle distortion, the gas receiver has been seted up to the inner wall of cooling cylinder side, the air vent with external intercommunication is seted up to one side of gas receiver, and the aperture of air vent is less.

Preferably, one side of the rotating cylinder is movably connected with the inner wall of the side surface of the shell through a second spring.

Preferably, the number of the air storage cavities is two, and the outermost end of each air storage cavity is provided with an air vent.

The invention has the following beneficial effects:

1. according to the invention, by arranging the overheating cooling mechanism, when the blood transfusion warmer normally works, the temperature of liquid in the liquid storage cavity rises too high due to abnormal working of the sensor, and the temperature of blood in the blood transfusion tube is influenced, the liquid in the evaporation cavity at the upper end of the cooling cylinder is heated and vaporized, so that the pressure in the evaporation cavity is increased, the heat conducting rod is pushed downwards, the lower pressing block is moved downwards by overcoming the elastic force of the first spring, the lower end of the heat conducting rod is contacted with cooling liquid in the cooling cavity, and the liquid in the liquid storage cavity is rapidly cooled under the action of heat exchange of the liquid in the liquid storage cavity and the cooling cavity by the heat conducting rod, so that medical accidents caused by too high temperature of the blood due to faults of the sensor are avoided.

2. According to the invention, the emergency alarm mechanism is arranged, so that when the overheating cooling mechanism is started to perform emergency cooling on liquid in the liquid storage cavity, under the action of pushing the lower pressing block to move downwards by the heat conduction rod, the liquid in the cooling cavity with smaller cavity volume can rapidly move towards the outer side of the lower pressing block under the action of the pressure of the lower pressing block and flow upwards along the side surface of the lower pressing block, and simultaneously impact the blades twisted at a certain angle on the inner side of the rotating cylinder, so that the rotating cylinder transversely rotates, gas in the gas storage cavity is discharged outwards through the vent hole, and the vent hole is smaller in diameter, so that a sharp sound is emitted under the action of rapid gas circulation to alarm, after the gas in the gas storage cavity is completely discharged, the rotating cylinder is automatically reset by the second spring, so that the gas is sucked into the gas storage cavity through the vent hole to alarm again, and medical personnel can receive the alarm at the first time to process the blood transfusion heater in an abnormal working state.

Drawings

FIG. 1 is a schematic cross-sectional view of the structure of the present invention;

FIG. 2 is a schematic view of the alarm state of the present invention;

FIG. 3 is a bottom view of the cooling drum of the present invention.

In the figure: 1. a housing; 2. a pipe clamping groove; 3. a liquid storage cavity; 4. an electric heating tube; 5. a cooling cylinder; 6. an evaporation chamber; 7. a heat conducting rod; 8. a cooling cylinder; 9. pressing the block; 10. a first spring; 11. a cooling chamber; 12. a rotating cylinder; 13. a gas storage cavity; 14. a vent hole; 15. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the blood nursing heating apparatus includes a housing 1, a tube clamping groove 2 is opened on the side of the housing 1, a liquid storage cavity 3 is provided in the inner cavity of the housing 1, and the blood nursing heating apparatus is characterized in that: the middle part fixed mounting of stock solution chamber 3 has electrothermal tube 4, the middle part fixed mounting of stock solution chamber 3 has a cooling section of thick bamboo 5 that is located electrothermal tube 4 middle part, the upper end of the 5 inner chambers of cooling section of thick bamboo is provided with evaporation chamber 6, the lower extreme activity of the 5 inner chambers of cooling section of thick bamboo has cup jointed heat conduction pole 7, the lower extreme fixedly connected with cooling section of thick bamboo 8 of casing 1, the inner chamber of cooling section of thick bamboo 8 is provided with cooling chamber 11, the upper end movable mounting of cooling chamber 11 has lower briquetting 9 with 7 lower extreme fixed connection of heat conduction pole, the upper surface of lower briquetting 9 side and the middle part of the 1 lower surface of casing pass through first spring 10 swing joint, through the unusual intensification of liquid in stock solution chamber 3, lead to evaporation liquid in evaporation chamber 6 to reach its evaporating temperature, make its rapid vaporization, thereby make the pressure increase in evaporation chamber 6, make heat conduction pole 7 under the effect of pressure increase, and under the effect of the lower briquetting 9 upper end fixed connection of heat conduction pole 7 lower briquetting, make lower briquetting 9 overcome first spring 10 elasticity and move downwards in step, make the lower briquetting 7 lower end stretch into the cooling liquid in cooling chamber 3 and the blood transfusion temperature of blood vessel 3 and can not cause the blood transfusion temperature to go on the condition that the high temperature reaction takes place more than thirty high blood temperature because blood transfusion temperature.

Wherein, the inner chamber volume of cooling chamber 11 is less, the inner wall movable mounting of cooling cylinder 8 side has a rotary cylinder 12, the upper end fixedly connected with of rotary cylinder 12 is located the blade of cooling chamber 11 lateral wall, and the blade is certain angle distortion, gas storage chamber 13 has been seted up to the inner wall of cooling cylinder 8 side, air vent 14 with external intercommunication is seted up to one side of gas storage chamber 13, and the aperture of air vent 14 is less, make briquetting 9 down promote under heat conduction rod 7, when overcoming first spring 10 elasticity and moving down, cooling liquid is under briquetting 9 pressure effect down in cooling chamber 11, make cooling liquid earlier along briquetting 9 lower surface outside diffusion down, again along the vertical upwards circulation of briquetting 9 side down, thereby make the inboard blade that is certain angle distortion of cooling liquid impact rotary cylinder 12, thereby make rotary cylinder 12 transversely rotate, thereby make gas in the gas storage chamber 13 promote under rotary cylinder 12, discharge outward through air vent 14 that the aperture is less, and when the air flows through air vent 14 that the aperture is less at a relatively fast speed, send sharp-pointed sound, send the warning of equipment work unusual to medical personnel.

Wherein, one side of the rotary cylinder 12 passes through the second spring 15 swing joint with the inner wall of the side of the shell 1, under the effect of the emergency alarm mechanism, after the gas in the gas storage cavity 13 sends out the alarm through the vent hole 14 with a small aperture, under the elastic action of the second spring 15 on the rotary cylinder 12, the press block 9 is pressed down, and when the rotary cylinder is in a static state, the second spring 15 can make the rotary cylinder 12 reset automatically, and simultaneously, a negative pressure is formed in the gas storage cavity 13, so that the gas storage cavity 13 sucks in the air through the vent hole 14, the air pressure is filled, and when the air rapidly flows through the vent hole 14 to fill the air storage cavity 13 with the air pressure, the alarm is sent again, and the alarm effect of the equipment is further improved.

Wherein, the quantity of gas storage chamber 13 is two, and an air vent 14 has all been seted up to the outermost end of every gas storage chamber 13, through setting up two gas storage chambers 13 and air vent 14, make two times of warning through urgent alarm mechanism, make gas outside discharge in the gas storage chamber 13, and breathe in again through the air vent 14 in the outside and fill, make gas storage chamber 13 internal energy inhale the lower gas of ambient temperature, and through 8 contact heat transfer with the cooling cylinder, make 11 cooling fluid temperature in the cooling chamber reduce, thereby when making overheated cooling mechanism cool down liquid in to liquid storage chamber 3 through heat conduction pole 7, can further strengthen overheated cooling mechanism's heat exchange efficiency, liquid can not be too high in the long time in the guarantee liquid storage chamber 3.

The using method of the invention is as follows: connecting a blood transfusion tube with a blood bag, winding the blood transfusion tube in a shell 1 of a blood transfusion heater shell 1, starting equipment, setting heating temperature, gradually raising the temperature of liquid in a liquid storage cavity 3 under the action of electrifying and heating of an electric heating tube 4, raising the temperature of blood in the blood transfusion tube wound in a tube clamping groove 2, carrying out blood transfusion on a patient after the temperature reaches a specified temperature, monitoring the liquid in the liquid storage cavity 3 in real time through a sensor in the liquid storage cavity 3 which is not marked, and controlling the current intensity flowing through the electric heating tube 4 to keep the temperature of the liquid in the liquid storage cavity 3 between thirty-five ℃ and thirty-eight ℃ all the time;

and (3) overheating and cooling: the blood transfusion heater heats blood flowing through a blood transfusion tube, when a sensor fails to detect, and the temperature of liquid in the liquid storage cavity 3 exceeds a set temperature, the evaporated liquid in the evaporation cavity 6 is heated and quickly vaporized, so that the pressure in the evaporation cavity 6 is increased, the heat conduction rod 7 moves downwards, the heat conduction rod 7 pushes the lower pressing block 9 downwards to synchronously move downwards by overcoming the elastic force of the first spring 10, the lower end of the heat conduction rod 7 extends into the cooling liquid in the cooling cavity 11, and the temperature of the liquid in the liquid storage cavity 3 is quickly reduced under the heat exchange effect of the heat conduction rod 7 on the liquid in the liquid storage cavity 3 and the liquid in the cooling cavity 11, so that the heating temperature of the blood transfusion tube wound on the outer surface of the tube clamping groove 2 is reduced;

emergency alarm: when the overheat cooling mechanism starts to physically cool the liquid in the blood transfusion heater, the lower pressing block 9 overcomes the elastic force of the first spring 10 to move downwards under the action of downward pushing of the heat conducting rod 7, so that the liquid in the cooling cavity 11 is moved outwards along the lower surface of the lower pressing block 9 and flows upwards along the side surface of the lower pressing block 9 under the action of downward pressure of the cooling cavity 11, so that the rotating cylinder 12 transversely rotates under the action of the blades twisted at a certain angle at the inner side of the cooling liquid impacting the rotating cylinder 12, so that the air in the air storage cavity 13 is pushed by the rotating cylinder 12 to be discharged outwards through the air vent 14, and under the action of the small aperture of the air vent 14, a relatively sharp sound is emitted when the air in the air storage cavity 13 is discharged outwards, so as to give an alarm, after the air in the air storage cavity 13 is completely discharged, the rotating cylinder 12 automatically resets under the elastic force of the second spring 15, so that the air in the air storage cavity 13 sucks air through the air vent 14 inwards, and give an alarm once again to remind medical personnel of working abnormality, and simultaneously, the temperature of the air in the air storage cavity 13 is lowered, so that the cooling efficiency of cooling in the cooling cavity is lowered, and the cooling cavity 8 is lowered, and the temperature of the cooling air cooled by the cooling cavity is lowered.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Blood nursing heating apparatus, including casing (1), card tube seat (2) have been seted up to the side of casing (1), the inner chamber of casing (1) is provided with stock solution chamber (3), its characterized in that: the middle part of the liquid storage cavity (3) is fixedly provided with an electric heating tube (4), the middle part of the liquid storage cavity (3) is fixedly provided with a cooling cylinder (5) positioned in the middle of the electric heating tube (4), the upper end of the inner cavity of the cooling cylinder (5) is provided with an evaporation cavity (6), the lower end of the inner cavity of the cooling cylinder (5) is movably sleeved with a heat conducting rod (7), the lower end of the shell (1) is fixedly connected with a cooling cylinder (8), the inner cavity of the cooling cylinder (8) is provided with a cooling cavity (11), the upper end of the cooling cavity (11) is movably provided with a lower pressing block (9) fixedly connected with the lower end of the heat conducting rod (7), the upper surface of the side surface of the lower pressing block (9) is movably connected with the middle part of the lower surface of the shell (1) through a first spring (10), the volume of the inner cavity of the cooling cavity (11) is smaller, the inner wall of the side surface of the cooling cylinder (8) is movably provided with a rotating cylinder (12), the upper end of the rotating cylinder (12) is fixedly connected with a blade positioned on the side wall of the cooling cavity (11) and is twisted at a certain angle, the inner wall of the cooling cylinder (8) is provided with a vent hole (13), one side surface of the rotating cylinder (14), and the air storage cavity (14) is communicated with a second air storage cylinder (14) through a second spring (14), the number of the air storage cavities (13) is two, and the outermost end of each air storage cavity (13) is provided with an air vent (14).