CN219230953U - Disposable heart stop fluid perfusion device with dynamic temperature change - Google Patents
Disposable heart stop fluid perfusion device with dynamic temperature change Download PDFInfo
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- CN219230953U CN219230953U CN202223241836.XU CN202223241836U CN219230953U CN 219230953 U CN219230953 U CN 219230953U CN 202223241836 U CN202223241836 U CN 202223241836U CN 219230953 U CN219230953 U CN 219230953U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The utility model relates to a disposable heart stopping fluid perfusion device with dynamic temperature change, which comprises a shell, a blood inlet, a water outlet, a bleeding port and a filter screen column, wherein the shell comprises an upper perfusion device shell and a lower perfusion device shell, the filter screen column is arranged in the upper perfusion device shell, and the water inlet, the water outlet and the bleeding port are respectively arranged at the bottom of the lower perfusion device shell, and the disposable heart stopping fluid perfusion device is characterized in that: the upper shell of the pouring device is internally provided with a corrugated pipe for cooling, the top of one end of the upper shell of the pouring device is provided with a three-way joint, and one end of the bottom of the lower shell of the pouring device is provided with a temperature measuring port. The advantages are that: the corrugated pipe is used as an energy conduction medium, and after liquid enters the corrugated pipe from the water inlet, all corners of the corrugated pipe can be quickly filled, so that the cooling rate is improved; the stop fluid infusion device can meet the requirements of clinical extracorporeal circulation heart direct vision operation, shortens the operation time, lightens the workload of medical staff, and can reduce the damage to operation patients.
Description
Technical Field
The utility model belongs to the technical field of medical appliances, and particularly relates to a disposable heart beat stopping fluid perfusion device with dynamic temperature change.
Background
At present, the heart beat stopping liquid perfusion device is widely applied to the fields of extracorporeal circulation and the like, and when in extracorporeal circulation, the heart stops beating, and oxygenated blood is conveyed back to the body through an oxygenator, a rolling pump, a centrifugal pump or the like. In this process, the blood supply to the heart itself has two functions: ensures oxygen supply to cardiac muscle, and ensures that heart is in stop state during operation. Since the temperature of the heart muscle directly affects oxygen consumption, the higher the temperature, the greater the oxygen consumption, so the heart muscle should be kept at a lower temperature (e.g., 4-10 degrees celsius) during the operation, and the heart temperature is restored to normal body temperature before the operation is ended. The perfusion device needed in the perfusion process of the heart stop fluid generally consists of a temperature changing pipe, a pump pipe, a liquid inlet pipe, a liquid outlet pipe, a perfusion bag, a perfusion pipe and the like. However, when the myocardial perfusion is carried out, the perfusate needs to be kept at the temperature of about 4 ℃, and the perfusate is cooled and subjected to heat exchange through the placement of a water bath in the conventional operation, but the perfusate is unstable in temperature due to the water bath mode and is slower in temperature changing efficiency, so that medical staff is required to pay attention to temperature change at any time when the myocardial perfusion device is used, the workload is increased for the medical staff, the operation time is prolonged, and unnecessary damage is easily brought to an operation patient.
Disclosure of Invention
The utility model provides a disposable heart stop fluid perfusion device with dynamic temperature change, which can keep the myocardial perfusion fluid at a constant temperature, improve the operation effect and reduce the potential safety hazard of an operation patient.
The utility model adopts the technical proposal for solving the technical problems in the prior art that:
the utility model provides a disposable heart stops and beats liquid perfusion device with dynamic alternating temperature, includes casing, inlet, water inlet, delivery port, bleeding mouth and filter screen post, the casing includes perfusion device epitheca and perfusion device inferior valve, the filter screen post is equipped with in the perfusion device epitheca, perfusion device inferior valve bottom is equipped with water inlet, delivery port and bleeding mouth respectively, its characterized in that: the utility model discloses a perfusion device, including pouring device upper shell, temperature probe, bellows, filtering screen, bellows, temperature-measuring mouth, temperature-measuring probe, cooling liquid, delivery port, blood inlet, filtering screen, and the bellows is equipped with the bellows that is used for the cooling in the pouring device upper shell, pouring device upper shell one end top is equipped with the tee bend interface, pouring device lower shell bottom one end is equipped with the temperature-measuring mouth, temperature-measuring probe is equipped with to the temperature-measuring mouth top, the coolant liquid enters into the pouring device upper shell from the water inlet, takes away heat through the bellows, discharges from the delivery port, and blood passes through the inlet and enters into pouring device upper shell, cools down through the bellows and flows from the bleeding mouth through the filtering screen.
The utility model can also adopt the following technical scheme:
preferably, two arcuate projections which are convenient for limiting are arranged in the upper shell of the perfusion device, and the two arcuate projections are symmetrically arranged.
Preferably, the lower shell of the pouring device is provided with a baffle plate which is connected with the lower shell into a whole, and the height of the baffle plate is lower than that of the shell.
Preferably, the outer side surfaces of the water inlet and the water outlet at the bottom of the lower shell of the pouring device are respectively provided with a notch which is convenient for liquid to flow rapidly.
Preferably, a limit groove which is convenient for the baffle plate of the lower shell of the pouring device to be inserted in a sliding way is formed in the upper shell of the pouring device.
The utility model has the advantages and positive effects that: due to the adoption of the technical scheme, when the disposable heart beat stopping liquid perfusion device with dynamic temperature change is used clinically, blood enters one side of the corrugated pipe in the shell from the blood inlet, is filtered by the filter screen column, and flows out through the blood outlet. In the process, the water/cooling liquid enters the corrugated pipe in the shell from the water inlet, the corrugated pipe is used as an energy conduction medium, and the energy in the blood is taken away by the circulating water and then is discharged from the water outlet. The outer side surfaces of the through holes of the water outlet and the water inlet are respectively provided with a notch, and when water enters the corrugated pipe through the water inlet, all corners of the corrugated pipe can be filled up rapidly, so that the cooling rate is improved. Meanwhile, as the temperature measuring probe is arranged at the temperature measuring port, the medical staff can obtain the real-time temperature of blood through the action of the temperature measuring probe. The disposable heart stop fluid perfusion device with dynamic temperature change can meet the requirements of clinical extracorporeal circulation heart direct vision operation, shorten the operation time, lighten the workload of medical staff and reduce the damage to operation patients.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of the structure of the inside of the upper casing of the perfusion apparatus according to the present utility model;
fig. 4 is a schematic view of the structure of the inside of the lower case of the perfusion apparatus of the present utility model.
In the figure: 1. a blood inlet; 2. a water inlet; 3. a water outlet; 4. a temperature measuring port; 5. a bleeding port; 6. a temperature measurement probe; 7. a filter screen column; 8. a three-way interface; 9. a lower casing of the pouring device; 9-1, baffle plates; 10. a perfusion device upper shell; 10-1, arcuate projections; 10-2, a limit groove; 11. a bellows; 12. and (5) a notch.
Detailed Description
The present utility model will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to figures 1-4 of the drawings,
the disposable heart stop fluid perfusion device with dynamic temperature change comprises a shell, a blood inlet 1, a water inlet 2, a water outlet 3, a bleeding outlet 5 and a filter screen column 7. The shell comprises an upper shell 10 of the pouring device and a lower shell 9 of the pouring device, a filter screen column 7 is arranged in the upper shell of the pouring device, and a water inlet, a water outlet and a bleeding port are respectively arranged at the bottom of the lower shell of the pouring device. The upper shell of the pouring device is internally provided with a corrugated pipe 11 for cooling, and the top of one end of the upper shell of the pouring device is provided with a tee joint 8 which is connected with an exhaust device and a pressure measuring device.
One end of the bottom of the lower shell of the perfusion device is provided with a temperature measuring port 4, a temperature measuring probe 6 is arranged above the temperature measuring port, and the temperature measuring port can enable medical staff to obtain the real-time temperature of blood through the action of the temperature measuring probe. The cooling liquid enters the upper shell of the pouring device from the water inlet, heat is carried away by the corrugated pipe, and the cooling liquid is discharged from the water outlet; blood enters the perfusion device through the blood inlet 1, is cooled by the corrugated pipe, is filtered by the filter screen and flows out of the blood outlet.
Specifically, two arcuate protrusions 10-1 which are convenient to limit are formed in the upper casing 10 of the pouring device, the two arcuate protrusions are symmetrically arranged, and when the upper casing of the pouring device is assembled with the lower casing of the pouring device, the water inlet 2 and the water outlet 3 of the lower casing of the pouring device are convenient to assemble and position with the upper casing of the pouring device.
Specifically, a baffle plate 9-1 connected with the lower shell of the pouring device is arranged on the lower shell of the pouring device, the height of the baffle plate is lower than that of the shell, and the main function of the baffle plate is a blocking function after filtration.
Specifically, the outer side surfaces of the water inlet and the water outlet at the bottom of the lower shell of the pouring device are respectively provided with a notch 12 which is convenient for liquid to flow rapidly. After water enters the corrugated pipe through the water inlet, all corners of the corrugated pipe can be filled up rapidly, and the cooling rate is further improved. The contact area between the liquid and the corrugated pipe is increased through the notch 12, so that the diffusion of the liquid is quickened, and the cooling rate is improved.
Specifically, a limit groove 10-2 which is convenient for the baffle plate of the lower casing of the pouring device to be inserted in a sliding manner is formed in the upper casing of the pouring device. The baffle plate of the lower shell of the pouring device can be inserted into the limit groove of the upper shell of the pouring device in a sliding way.
The working principle of the utility model is as follows:
when the disposable heart stop fluid perfusion device with dynamic temperature change is clinically used, blood enters one side of the corrugated pipe in the shell from the blood inlet, is filtered by the filter screen column, and flows out through the blood outlet. In the process, the water/cooling liquid enters the corrugated pipe in the shell from the water inlet, the corrugated pipe is used as an energy conduction medium, and the energy in the blood is taken away by the circulating water and then is discharged from the water outlet. The outer side surfaces of the through holes of the water outlet and the water inlet are respectively provided with a notch, and when water enters the corrugated pipe through the water inlet, all corners of the corrugated pipe can be filled up rapidly, so that the cooling rate is improved. Meanwhile, as the temperature measuring probe is arranged at the temperature measuring port, the medical staff can obtain the real-time temperature of blood through the action of the temperature measuring probe. The disposable heart stop fluid perfusion device with dynamic temperature change can meet the requirements of clinical extracorporeal circulation heart direct vision operation, shorten the operation time, lighten the workload of medical staff and reduce the damage to operation patients.
The embodiments described in the drawings of the present utility model are exemplary only, and are not to be construed as limiting the utility model.
Claims (5)
1. The utility model provides a disposable heart stops and beats liquid perfusion device with dynamic alternating temperature, includes casing, inlet, water inlet, delivery port, bleeding mouth and filter screen post, the casing includes perfusion device epitheca and perfusion device inferior valve, the filter screen post is equipped with in the perfusion device epitheca, perfusion device inferior valve bottom is equipped with water inlet, delivery port and bleeding mouth respectively, its characterized in that: the utility model discloses a perfusion device, including pouring device upper shell, temperature probe, bellows, filtering screen, bellows, temperature-measuring mouth, temperature-measuring probe, cooling liquid, delivery port, blood inlet, filtering screen, and the bellows is equipped with the bellows that is used for the cooling in the pouring device upper shell, pouring device upper shell one end top is equipped with the tee bend interface, pouring device lower shell bottom one end is equipped with the temperature-measuring mouth, temperature-measuring probe is equipped with to the temperature-measuring mouth top, the coolant liquid enters into the pouring device upper shell from the water inlet, takes away heat through the bellows, discharges from the delivery port, and blood passes through the inlet and enters into pouring device upper shell, cools down through the bellows and flows from the bleeding mouth through the filtering screen.
2. The disposable cardioplegia perfusion device with dynamic temperature change according to claim 1, wherein: two arch-shaped protrusions convenient to limit are arranged in the upper shell of the perfusion device, and the two arch-shaped protrusions are symmetrically arranged.
3. The disposable cardioplegia perfusion device with dynamic temperature change according to claim 1, wherein: the lower shell of the pouring device is provided with a baffle plate which is connected with the lower shell into a whole, and the height of the baffle plate is lower than that of the shell.
4. The disposable cardioplegia perfusion device with dynamic temperature change according to claim 1, wherein: the outer side surfaces of the water inlet and the water outlet at the bottom of the lower shell of the pouring device are respectively provided with a notch which is convenient for liquid to flow rapidly.
5. The disposable cardioplegia perfusion device with dynamic temperature change according to claim 1, wherein: a limit groove which is convenient for the baffle plate of the lower shell of the pouring device to be inserted in a sliding way is formed in the upper shell of the pouring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223241836.XU CN219230953U (en) | 2022-11-29 | 2022-11-29 | Disposable heart stop fluid perfusion device with dynamic temperature change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223241836.XU CN219230953U (en) | 2022-11-29 | 2022-11-29 | Disposable heart stop fluid perfusion device with dynamic temperature change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219230953U true CN219230953U (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223241836.XU Active CN219230953U (en) | 2022-11-29 | 2022-11-29 | Disposable heart stop fluid perfusion device with dynamic temperature change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219230953U (en) |
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2022
- 2022-11-29 CN CN202223241836.XU patent/CN219230953U/en active Active
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