CN216524505U - Disposable extracorporeal circulation pipeline pressure and temperature detection device - Google Patents
Disposable extracorporeal circulation pipeline pressure and temperature detection device Download PDFInfo
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- CN216524505U CN216524505U CN202122929826.4U CN202122929826U CN216524505U CN 216524505 U CN216524505 U CN 216524505U CN 202122929826 U CN202122929826 U CN 202122929826U CN 216524505 U CN216524505 U CN 216524505U
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Abstract
The utility model discloses a disposable extracorporeal circulation pipeline pressure and temperature detection device which is characterized by comprising a circulating pipe, wherein an installation cavity is arranged below the circulating pipe, a hydraulic sensor and a temperature sensor are installed in the installation cavity, and data lines of the hydraulic sensor and the temperature sensor penetrate out of the installation cavity; the detection part of the hydraulic sensor is arranged in the flow pipe, so that the liquid pressure in the flow pipe directly acts on the diaphragm of the hydraulic sensor; the temperature measuring element of the temperature sensor is arranged in the flow pipe, so that liquid in the flow pipe is contacted with the temperature measuring element; according to the utility model, the pressure and temperature sensors are directly combined into the installation cavity (the hard joint), so that the fluency of the loop is not influenced, the risk of thrombosis is reduced, a three-way joint, a three-way valve, heparin pre-filling and a transfusion loop are not required, the temperature and the pressure can be measured simultaneously, and any preparation time is not required.
Description
Technical Field
The utility model relates to a disposable extracorporeal circulation pipeline pressure and temperature detection device which is used for detecting the temperature and the pressure of blood in extracorporeal circulation.
Background
Extracorporeal circulation is a life support technology in which cardiovenous blood is drained to the outside of the body by a series of special artificial devices, is subjected to gas exchange by an artificial method, is subjected to temperature regulation and filtration, and is returned to an internal arterial system, and aims to maintain blood supply of tissues and organs of the whole body during the implementation of open-heart surgery. In this process, "temperature" and "pressure" are two important measurement indicators, and the rapid loss of body temperature of blood through long extracorporeal circuits during extracorporeal circulation is a result of which the temperature must be monitored continuously and in addition sufficient circuit pressure is available to meet the blood supply to the tissue and organs.
The extracorporeal circulation conveying pipeline is usually made of PVC or other high polymer materials, the pipe diameter is 1/2 inches, 1/4 inches, 3/8 inches and other specifications, the loop is closed, the inside of the pipeline is smooth and smooth, the existing pressure measuring mode is that a three-way joint is connected to the circulation loop, a three-way valve is additionally connected to the three-way joint, a medical pressure sensor is connected to the three-way valve, generally, the medical pressure sensor is used for being complicated in step, heparin saline is required to be used for pre-charging and exhausting the medical pressure sensor, and a pressurizing bag is used for continuously pressurizing the heparin saline. Although the pressure measurement in the mode is suitable for various medical use scenes, the mode is complex in use, long in pipeline and complex in preparation in the extracorporeal circulation process. The three-way valve must be connected to the circuit before extracorporeal circulation, because positive or negative pressure is present in the line during extracorporeal circulation, and if the three-way valve is added midway, the three-way valve can cause air intake or bleeding of the three-way joint, which endangers the life of the patient. In addition, the three-way valve and the three-way valve are applied to influence the fluency of the pipeline, and the three-way valve have the risk of thrombosis.
Patent document No. CN208822758U discloses a simplified medical pressure sensor with convenient use, which converts the blood pressure of the artery and the central venous pressure into piezoelectric signals through a piezoelectric module, the piezoelectric signals are converted into data through a signal conversion element and transmitted to a bluetooth module, and finally the data are transmitted to a monitor through a radio signal of the bluetooth module.
Patent document No. CN202235341U discloses a medical pressure sensor, which only needs a disposable pressure sensor to monitor two pressures at the same time, but still needs heparin pre-charging and transfusion tube connection.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a disposable (reusable) extracorporeal circulation pipeline pressure and temperature detection device, which realizes direct measurement of the temperature and pressure of liquid (blood) in an extracorporeal circulation pipeline.
In order to solve the technical problem, the extracorporeal circulation pipeline pressure and temperature detection device comprises a circulation pipe, wherein an installation cavity is arranged below the circulation pipe, a hydraulic sensor and a temperature sensor are installed in the installation cavity, and data wires of the hydraulic sensor and the temperature sensor penetrate out of the installation cavity; the detection part (detection port) of the hydraulic pressure sensor is arranged in the flow pipe, so that the liquid pressure in the flow pipe directly acts on the diaphragm of the hydraulic pressure sensor; the temperature measuring element of the temperature sensor is arranged in the flow tube, so that liquid in the flow tube is in contact with the temperature measuring element.
In order to facilitate the connection of the external circulation tube, the two ends of the circulation tube are provided with joints.
In particular, the mounting cavity has a closure cap.
According to the utility model, the pressure and temperature sensors are directly combined into the installation cavity (the hard joint), the fluency of the loop is not influenced, the risk of thrombosis is reduced, a three-way joint, a three-way valve, heparin pre-charging and a transfusion loop are not needed, the temperature and the pressure can be measured simultaneously, any preparation time is not needed, and in addition, the pressure and temperature sensors can be directly adjusted to zero.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Detailed Description
As shown in figures 1 and 2, the disposable extracorporeal circulation pipeline pressure and temperature detection device comprises a circulation pipe 1, wherein joints 2 are arranged at two ends of the circulation pipe 1, and the joints 2 are used for connecting the extracorporeal circulation pipe.
An installation cavity 3 is arranged below the circulation pipe 1, the installation cavity 3 is provided with a sealing cover 4, and the installation cavity 3 can be opened through the sealing cover 4. The hydraulic pressure sensor 5 and the temperature sensor 6 are installed in the installation cavity 3, and a detection part (detection port) of the hydraulic pressure sensor 5 is arranged in the circulating pipe, so that the pressure of liquid (blood) in the circulating pipe 1 directly acts on a diaphragm of the hydraulic pressure sensor 5, and the hydraulic pressure is detected. The temperature measuring element of the temperature sensor 6 is arranged in the circulating pipe 1, so that the liquid (blood) in the circulating pipe 1 is contacted with the temperature measuring element to realize the detection of the blood temperature. The data lines of the hydraulic sensor 5 and the temperature sensor 6 penetrate out of the installation cavity 3, and the data detected by the hydraulic sensor 5 and the temperature sensor 6 are transmitted out.
The above embodiments do not limit the present invention in any way, and all technical solutions obtained by means of equivalent substitution or equivalent transformation fall within the protection scope of the present invention.
Claims (3)
1. The disposable extracorporeal circulation pipeline pressure and temperature detection device is characterized by comprising a circulation pipe, wherein an installation cavity is arranged below the circulation pipe, a hydraulic sensor and a temperature sensor are installed in the installation cavity, and data lines of the hydraulic sensor and the temperature sensor penetrate out of the installation cavity; the detection part of the hydraulic sensor is arranged in the flow pipe, so that the liquid pressure in the flow pipe directly acts on the diaphragm of the hydraulic sensor; the temperature measuring element of the temperature sensor is arranged in the flow tube, so that liquid in the flow tube is in contact with the temperature measuring element.
2. The disposable extracorporeal circulation circuit pressure and temperature detection apparatus of claim 1, wherein: the two ends of the flow pipe are provided with joints.
3. The disposable extracorporeal circulation circuit pressure and temperature detection apparatus of claim 1, wherein: the mounting cavity is provided with a closing cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122929826.4U CN216524505U (en) | 2021-11-26 | 2021-11-26 | Disposable extracorporeal circulation pipeline pressure and temperature detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122929826.4U CN216524505U (en) | 2021-11-26 | 2021-11-26 | Disposable extracorporeal circulation pipeline pressure and temperature detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216524505U true CN216524505U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122929826.4U Active CN216524505U (en) | 2021-11-26 | 2021-11-26 | Disposable extracorporeal circulation pipeline pressure and temperature detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216524505U (en) |
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2021
- 2021-11-26 CN CN202122929826.4U patent/CN216524505U/en active Active
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Legal Events
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| TR01 | Transfer of patent right |
Effective date of registration: 20230524 Address after: Room 2001, 20th Floor, Building A, Mingjia Science and Technology Building, No. 99 Shengli Road, Jiangning District, Nanjing City, Jiangsu Province, 210000 (Jiangning Development Zone) Patentee after: Nanjing Hanke Mingde Medical Technology Co.,Ltd. Address before: 318000 Baita Industrial Cluster, Baita Town, Xianju County, Taizhou City, Zhejiang Province Patentee before: Zhejiang shouwo Medical Technology Co.,Ltd. |