CN109303937B - Automatic pressure reduction adjusting device of left heart drainage tube - Google Patents
Automatic pressure reduction adjusting device of left heart drainage tube Download PDFInfo
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- CN109303937B CN109303937B CN201811301999.8A CN201811301999A CN109303937B CN 109303937 B CN109303937 B CN 109303937B CN 201811301999 A CN201811301999 A CN 201811301999A CN 109303937 B CN109303937 B CN 109303937B
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- connecting pipeline
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- elastic gasket
- pressure value
- micro motor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/74—Suction control
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/84—Drainage tubes; Aspiration tips
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
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- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgery (AREA)
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Abstract
The invention discloses an automatic decompression adjusting device of a left heart drainage tube, and particularly relates to the technical field of medical equipment parts. The automatic pressure reduction adjusting device of the left heart drainage tube comprises a Y-shaped connecting pipeline, wherein an elastic gasket, a rotating shaft and a micro motor are arranged in the connecting pipeline, a traction rope is connected between the elastic gasket and the rotating shaft, one end of the rotating shaft is connected with an output shaft of the micro motor, the micro motor is fixed outside the connecting pipeline, and a first prompt lamp is also arranged outside the connecting pipeline; the connecting pipeline is also internally provided with a pressure acquisition module, an infrared sensing module, a storage module, a processing module and a control module. The technical scheme of the invention solves the problem that the pressure in the pipeline in the existing left heart drainage system can not be automatically adjusted, and can be used for reducing the pressure of extracorporeal circulation management in the cardiac surgery.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to an automatic decompression adjusting device of a left heart drainage tube.
Background
During cardiac surgery, blood in a heart cavity needs to be emptied, so that a clear and bloodless operation visual field is formed, and the operation is smoothly completed. Left cardiac drainage tubes are blood draining devices placed in the left atrium or left ventricle. Currently, most hospitals adopt extracorporeal circulation, and a multi-side hole pipeline is implanted from a right pulmonary vein to a left heart system to be connected with an extracorporeal circulation pipeline system to serve as a left heart drainage system.
The left heart drainage system is along with its pipe-line system negative pressure of operation progress need constantly adjust its internal pressure, and the manual mode is adjusted mostly at present, adjusts the unable accurate assurance of pipe-line system negative pressure opportunity and quantity value in this adjustment mode art to unable real-time quick automatically regulated drainage system negative pressure size in the art, thereby lead to drainage not good enough in the art, and cause the art wild poor and left heart drainage not enough, great increase the risk of operation.
Disclosure of Invention
The invention aims to provide an automatic pressure reduction adjusting device of a left heart drainage tube, which aims to solve the problem that the pressure in a pipeline in the existing left heart drainage system cannot be automatically adjusted.
In order to achieve the above object, the basic scheme of the invention is as follows: the automatic pressure reduction adjusting device of the left heart drainage tube comprises a Y-shaped connecting pipeline, wherein an elastic gasket, a rotating shaft and a micro motor are arranged in one end of the connecting pipeline, the elastic gasket is detachably connected in the connecting pipeline, the periphery of the elastic gasket is attached to the inner wall of the connecting pipeline, a traction rope is connected between the elastic gasket and the rotating shaft, one end of the rotating shaft is connected with an output shaft of the micro motor, the micro motor is fixed outside the connecting pipeline, and a first prompt lamp is arranged outside the connecting pipeline;
the connecting pipeline is also internally provided with a pressure acquisition module, an infrared sensing module, a storage module, a processing module and a control module,
the pressure acquisition module is used for detecting a pressure value in the connecting pipeline and transmitting the pressure value to the storage module;
the infrared sensing module is used for detecting the displacement of the elastic gasket and transmitting the displacement to the storage module;
the storage module is used for storing a preset pressure value, a pressure value of the connecting pipeline collected by the pressure collection module and a displacement of the elastic gasket sent by the infrared induction module;
the processing module is used for comparing the pressure value with a preset pressure value and the displacement with 0, and when the pressure value is greater than or equal to the preset pressure value and the displacement is equal to 0, the processing module sends an opening signal to the control module; when the pressure value is smaller than the preset pressure value and the displacement is larger than 0, the processing module sends a closing signal to the control module;
the control module turns on the micro motor and the first prompting lamp when receiving the turning-on signal sent by the processing module; and the control module turns off the micro motor and the first prompting lamp when receiving the turn-off signal sent by the processing module.
The principle and effect of the basic scheme are as follows: before the cardiac surgery, the connecting pipeline is connected to the left cardiac drainage tube, and at the moment, an elastic gasket in the connecting pipeline seals one end of the connecting pipeline; in the operation process, negative pressure is generated in the connecting pipeline, the elastic gasket can be pulled to deform under the negative pressure after the negative pressure reaches a set value, so that the connecting pipeline is communicated with the outside, the pressure in the connecting pipeline is reduced at the moment, the elastic gasket recovers to plug the connecting pipeline again, the automatic adjustment of the pressure in the connecting pipeline is realized, and the operation safety and the good operation visual field are ensured.
However, because the sensitivity of elastic deformation of the elastic gaskets is reduced after the elastic gaskets are used for a long time, or each elastic gasket cannot be ensured to deform at a preset pressure value in the production process, the miniature motor drives the rotating shaft to rotate when the pressure value reaches or exceeds the preset pressure value and does not deform through measuring the pressure in the connecting pipeline and monitoring the deformation of the elastic gaskets, so that the elastic gaskets are pulled to deform by virtue of the traction rope on the rotating shaft, the elastic gaskets can be ensured to deform for the first time after the pressure value reaches or exceeds the preset pressure value, the pressure in the connecting pipeline is adjusted, and the safety of an operation is ensured; and the first prompting lamp is turned on to remind the worker of hidden dangers existing in the device, so that the device is convenient to maintain or replace in time. Therefore, the device ensures that the pressure of the connecting pipeline can be in a normal range in the operation process through autonomous adjustment and auxiliary adjustment, and ensures the life safety of patients.
Further, the connecting pipeline is also provided with a detection module and a second prompt lamp, the detection module is used for detecting the tightness between the elastic gasket and the inner wall of the connecting pipeline and sending a detection result to the processing module, the control module is also used for controlling the second prompt lamp to be turned on or off, and when the detection result is that the elastic gasket is not completely sealed, the processing module sends a signal for turning on the second prompt lamp to the control module; and when the detection result is that the sealing is complete, the processing module sends a signal for closing the second prompting lamp to the control module.
Whether laminating of elastic gasket and connecting tube inner wall can be detected through detection module before this device work, the potential safety hazard of being convenient for in time discover to the security of this device has been improved.
Furthermore, the end of the rotating shaft, which is far away from the micro motor, is connected with a torsion spring, and one end of the torsion spring is fixed in the connecting pipeline.
The torsional spring stores force when the rotating shaft rotates, and the torsional spring realizes reset when the rotating shaft stops rotating, thereby improving the working efficiency of the device.
Furthermore, a filtering membrane is arranged on the connecting pipeline and is positioned at one end of the elastic gasket.
Impurity or dust in the air can be avoided through filtration membrane and the problem that drops to in the connecting tube has improved the security of operation.
Furthermore, a maintenance door is further arranged on the connecting pipeline.
Damaged parts can be replaced in time through the maintenance door, so that the service cycle of the device is prolonged; and impurities or dust on the filtering membrane can be removed in time, so that the air circulation in the connecting pipeline is improved.
Furthermore, the elastic gasket is made of an inert metal sheet.
The problem that the elastic gasket is aged gradually after being exposed in the air for a long time is avoided, and the service life of the elastic gasket is prolonged.
Drawings
FIG. 1 is a schematic structural view of an automatic decompression regulating device of a left heart drainage tube according to the present invention;
FIG. 2 is a block schematic diagram of an automatic pressure reducing adjustment device for a left cardiac drainage tube according to the present invention;
fig. 3 is a flow chart of the automatic decompression adjustment device of the left cardiac drainage tube of the present invention.
Detailed Description
The present invention will be described in further detail below by way of specific embodiments:
reference numerals in the drawings of the specification include: connecting tube 1, elastic gasket 2, pivot 3, micro motor 4, torsional spring 5, haulage rope 6, filtration membrane 7.
The embodiment is basically as shown in the attached figures 1 and 2: the automatic pressure reduction adjusting device of the left heart drainage tube comprises a Y-shaped connecting pipeline 1, wherein an elastic gasket 2, a rotating shaft 3 and a micro motor 4 are installed on the upper right branch of the connecting pipeline 1, and the elastic gasket 2 is made of an inert metal sheet, so that compared with the traditional rubber, the material avoids the situation that the elastic gasket 2 is exposed in the air for a long time to cause rapid aging; elastic gasket 2's upper and lower both ends all are equipped with spacing post, be equipped with on connecting tube 1 with spacing post matched with opening, enable elastic gasket 2 block between two openings through spacing post, when needs are changed elastic gasket 2, can make it take out from the opening through the spacing post at extrusion elastic gasket 2 upper and lower both ends, the edge of elastic gasket 2 is laminated with connecting tube 1's inner wall mutually to connecting tube 1's sealed has been realized.
Be connected with haulage rope 6 between resilient pad 2 and the pivot 3, pivot 3 rotates to be connected in connecting tube 1 (pivot 3 uses its length direction to rotate as the axis), and the left side of pivot 3 is connected with torsional spring 5, and the left side of torsional spring 5 is fixed in connecting tube 1. The right side of the rotating shaft 3 is connected with an output shaft of a micro motor 4, the micro motor 4 is fixed outside the connecting pipeline 1, and a first prompt lamp is installed outside the connecting pipeline 1; be equipped with filtration membrane 7 in connecting tube 1, filtration membrane 7 is located the left side of pivot 3, can filter external dust and impurity through filtration membrane 7, has avoided these dust or impurity to get into the connecting tube and cause the condition of life danger to patient, has improved the security of operation. A maintenance door is rotatably connected to the left side wall of the upper right branch of the connecting pipeline 1, the maintenance door is close to the filtering membrane 7, and parts in the device can be replaced through the maintenance door, so that the service cycle of the device is prolonged; and can also in time clear away dust or impurity on the filtration membrane 7 through the maintenance door, ensure the smoothness nature of air in the connecting tube 1.
The connecting pipeline 1 is also internally provided with a pressure acquisition module, an infrared sensing module, a storage module, a processing module and a control module,
the pressure acquisition module adopts a pressure transmitter (the model is MIK-P300) with the brand of MEACON, and is used for detecting the pressure value in the connecting pipeline 1 and transmitting the pressure value to the storage module;
the infrared sensing module adopts an infrared sensor (the model is E3F-20L/20C 1) with the brand of Xiangjieer, the infrared sensing module is used for detecting the displacement of the elastic gasket 2 and transmitting the displacement to the storage module, and the displacement is the distance value from the initial position of the elastic gasket to the farthest position of the elastic deformation of the elastic gasket;
the storage module is used for storing a preset pressure value, a pressure value of the connecting pipeline 1 collected by the pressure collection module and a displacement of the elastic gasket 2 sent by the infrared induction module;
the processing module is used for comparing the pressure value with a preset pressure value and the displacement with 0, and sending an opening signal to the control module when the pressure value is greater than or equal to the preset pressure value and the displacement is equal to 0; when the pressure value is smaller than the preset pressure value and the displacement is larger than 0, the processing module sends a closing signal to the control module;
the control module adopts a controller produced by Siemens, and when receiving a starting signal sent by the processing module, the control module starts the micro motor 4 and the first prompting lamp; and the control module turns off the micro motor 4 and the first prompting lamp when receiving the turn-off signal sent by the processing module.
The connecting pipeline 1 is also provided with a detection module and a second prompt lamp, the detection module adopts a photosensitive sensor with a brand of Risym, the detection module is used for detecting the tightness between the elastic gasket 2 and the inner wall of the connecting pipeline 1 and sending a detection result to the processing module, the control module is also used for controlling the second prompt lamp to be turned on or off, and when the detection result is that the sealing is not complete, the processing module sends a signal for turning on the second prompt lamp to the control module; and when the detection result is that the sealing is complete, the processing module sends a signal for closing the second prompting lamp to the control module.
The scheme comprises the following steps (as shown in figure 3) when in use:
101. the detection module determines the tightness of the elastic gasket 2 and the connecting pipeline 1 by receiving the light transmitted from the direction of the elastic gasket 2 and sends the result to the processing module; when the detection module detects that light irradiates from the direction of the elastic gasket 2, executing 102, and when the detection module does not detect that light irradiates from the direction of the elastic gasket 2, executing 103;
102. the processing module sends a signal for turning on a second prompting lamp to the control module to inform a user that the elastic gasket 2 of the device does not completely seal the connecting pipeline 1 and the sealing gasket needs to be maintained or replaced;
103. the pressure acquisition module starts to acquire a pressure value in the connecting pipeline 1 and sends the acquired pressure value to the storage module in real time, and the infrared induction module sends the displacement of the elastic deformation of the elastic gasket 2 to the storage module; the processing module starts to compare the pressure value with a preset pressure value and the displacement with 0; when the pressure value is greater than or equal to the preset pressure value and the displacement is equal to 0, executing 104; when the pressure value is smaller than the preset pressure value and the displacement is larger than 0, executing 105;
104. the processing module sends a signal for starting the micro motor 4 and the first prompting lamp to the control module, and executes 106, at this moment, the elastic gasket 2 cannot automatically complete elastic deformation; after the micro motor 4 is started, the rotating shaft 3 is driven to rotate through the output shaft of the micro motor 4, the rotating shaft 3 pulls the elastic gasket 2 to deform through the traction rope 6, and at the moment, the torsion spring 5 starts to twist to store force, so that the connecting pipeline 1 is communicated with the outside, the auxiliary elastic gasket 2 is used for adjusting the pressure in the connecting pipeline 1, the safety of the device is enhanced, and the life safety of a patient in the operation process is ensured; after the first prompting lamp is turned on, the user is reminded that the elastic gasket 2 has a problem and needs to be maintained or replaced.
105. The processing module sends a signal for turning off the micro motor 4 and the first prompting lamp to the control module and executes 101, at the moment, the device can normally adjust the negative pressure in the connecting pipeline 1, the micro motor 4 and the first prompting lamp need to be turned off, and if the micro motor 4 is changed from an opening state to a closing state, the torsion spring 5 can accelerate the reset of the rotating shaft 3 through the elasticity of the torsion spring 5, so that the pulling force of the traction rope 6 on the elastic gasket 2 is reduced, the reset of the elastic gasket 2 is accelerated, and the working efficiency of the device is improved;
106. the infrared induction module sends the displacement of the elastic deformation of the elastic gasket 2 to the storage module again, the processor compares the displacement with 0 again, and when the displacement is larger than 0, the execution is carried out 105; when the displacement is equal to 0, it indicates that the elastic pad 2 is stuck or loses the elastic deformation capability; at this time, the elastic pad 2 needs to be replaced in time, and then 101 is performed.
Through the repeated circulating work of the steps, the function of automatically adjusting the negative pressure in the connecting pipeline 1 is realized, and the working intensity of medical personnel is reduced; and can detect the leakproofness of this device in advance when this device moves through detection module to ensure the security of product before the operation, improved the success rate of operation, and verify the leakproofness of this device once more after adjusting at every turn, thereby improved the stability in this device use, still realized the real time monitoring to elastic gasket 2, be convenient for in time change or maintain elastic gasket 2. This device can be clear through first warning light and second warning light suggestion user the problem that this device exists, can in time maintain or change ageing or damaged part through the maintenance door to the life of this device has been prolonged. After this device used a period, need clear up dust or impurity on to filtration membrane 7 through the maintenance door to it is smooth and easy to ensure that the air current ability at filtration membrane 7 both ends circulates.
The foregoing are merely examples of the present invention and common general knowledge of known specific structures and/or features of the schemes has not been described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. Automatic decompression adjusting device of left heart drainage tube, its characterized in that: the device comprises a Y-shaped connecting pipeline and a micro motor, wherein an elastic gasket and a rotating shaft are arranged in one end of the connecting pipeline, the elastic gasket is detachably connected in the connecting pipeline, the periphery of the elastic gasket is attached to the inner wall of the connecting pipeline, a traction rope is connected between the elastic gasket and the rotating shaft, one end of the rotating shaft is connected with an output shaft of the micro motor, the micro motor is fixed outside the connecting pipeline, and a first prompt lamp is arranged outside the connecting pipeline;
the connecting pipeline is also internally provided with a pressure acquisition module, an infrared sensing module, a storage module, a processing module and a control module,
the pressure acquisition module is used for detecting a pressure value in the connecting pipeline and transmitting the pressure value to the storage module;
the infrared sensing module is used for detecting the displacement of the elastic gasket and transmitting the displacement to the storage module;
the storage module is used for storing a preset pressure value, a pressure value of the connecting pipeline collected by the pressure collection module and a displacement of the elastic gasket sent by the infrared induction module;
the processing module is used for comparing the pressure value with a preset pressure value and the displacement with 0, and when the pressure value is greater than or equal to the preset pressure value and the displacement is equal to 0, the processing module sends an opening signal to the control module; when the pressure value is smaller than the preset pressure value and the displacement is larger than 0, the processing module sends a closing signal to the control module;
the control module starts the micro motor and the first prompting lamp when receiving the starting signal sent by the processing module; and the control module turns off the micro motor and the first prompting lamp when receiving the turn-off signal sent by the processing module.
2. The automatic decompression adjustment device for a left cardiac drainage tube according to claim 1, wherein: the connecting pipeline is also provided with a detection module and a second prompt lamp, the detection module is used for detecting the tightness between the elastic gasket and the inner wall of the connecting pipeline and sending a detection result to the processing module, the control module is also used for controlling the second prompt lamp to be turned on or off, and when the detection result is that the sealing is not complete, the processing module sends a signal for turning on the second prompt lamp to the control module; and when the detection result is that the sealing is complete, the processing module sends a signal for closing the second prompting lamp to the control module.
3. The automatic decompression adjustment device for a left cardiac drainage tube according to claim 1, wherein: the one end of keeping away from micro motor in the pivot is connected with the torsional spring, torsional spring one end is fixed in the connecting tube.
4. The automatic decompression adjustment device for a left cardiac drainage tube according to claim 1, wherein: and the connecting pipeline is also provided with a filtering membrane, and the filtering membrane is positioned at one end of the elastic gasket.
5. The automatic decompression adjustment device of a left cardiac drainage tube according to claim 4, wherein: and a maintenance door is also arranged on the connecting pipeline.
6. The automatic decompression adjustment device for a left cardiac drainage tube according to any one of claims 1 to 5, wherein: the elastic gasket is made of an inert metal sheet.
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| CN201811301999.8A CN109303937B (en) | 2018-11-02 | 2018-11-02 | Automatic pressure reduction adjusting device of left heart drainage tube |
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| CN201811301999.8A CN109303937B (en) | 2018-11-02 | 2018-11-02 | Automatic pressure reduction adjusting device of left heart drainage tube |
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| CN109303937B true CN109303937B (en) | 2023-04-14 |
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