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new device for intraoperative blood suction avoiding turbulences
by:KJTDQ
2020-05-30
Bleeding is common during surgery.
Increased bleeding can disrupt the operation, resulting in unstable blood flow dynamics, resulting in the need for blood transfusion.
Allogene transfusion increases mortality and morbidity, especially the risk of infection, pulmonary and renal complications, and events of thrombosis.
In many cases, automatic blood transfusion is a solution, but forced suction may destroy or change blood cells due to turbulence, shear force and contact with the external surface of the blood.
The purpose of this study is to analyze the distribution of turbulence and to develop a new suction device that reduces (or avoiding)turbulences.
Methods during the procedure, we recorded the turbulence with a microphone placed in different positions within the blood suction and analyzed the spectrum.
We then modify the circuit to increase the signal of the optical sensor and the pressure sensor to avoid air mixing and close suction.
Finally, we created the algorithm for the suction loop that regulates the personalized suction mode.
As a result, we developed a new suction system based on roller pump.
We used the piezoelectric sensor and registered the sound signal.
The best position for this element is to enter the suction handle.
After filtering the signal and further processing, we use it for the adjustment of the roller pump.
In addition, due to the further adjustment of the motor speed, the optical sensor minimizes the air mixing.
Finally, the negative pressure sensor, in the case of tight suction information, provides the circuit with information to stop the motor speed and balance pressure by opening the valve before the start of the suction again.
The algorithm allows to provide various suction modes in a personalized manner for specific cases in the field of operation.
Conclusion we have developed a new blood suction device based on roller pump.
The system is turbulence-
Its algorithm allows several personalized suction modes.
Additional features avoid tight suction and reduce air mixing.
Bleeding is common during surgery.
Increased bleeding can disrupt the operation, resulting in unstable blood flow dynamics, resulting in the need for blood transfusion.
Allogene transfusion increases mortality and morbidity, especially the risk of infection, pulmonary and renal complications, and events of thrombosis.
In many cases, automatic blood transfusion is a solution, but forced suction may destroy or change blood cells due to turbulence, shear force and contact with the external surface of the blood.
The purpose of this study is to analyze the distribution of turbulence and to develop a new suction device that reduces (or avoiding)turbulences.
Methods during the procedure, we recorded the turbulence with a microphone placed in different positions within the blood suction and analyzed the spectrum.
We then modify the circuit to increase the signal of the optical sensor and the pressure sensor to avoid air mixing and close suction.
Finally, we created the algorithm for the suction loop that regulates the personalized suction mode.
As a result, we developed a new suction system based on roller pump.
We used the piezoelectric sensor and registered the sound signal.
The best position for this element is to enter the suction handle.
After filtering the signal and further processing, we use it for the adjustment of the roller pump.
In addition, due to the further adjustment of the motor speed, the optical sensor minimizes the air mixing.
Finally, the negative pressure sensor, in the case of tight suction information, provides the circuit with information to stop the motor speed and balance pressure by opening the valve before the start of the suction again.
The algorithm allows to provide various suction modes in a personalized manner for specific cases in the field of operation.
Conclusion we have developed a new blood suction device based on roller pump.
The system is turbulence-
Its algorithm allows several personalized suction modes.
Additional features avoid tight suction and reduce air mixing.
The concept/design of the Zak and the written manuscript.
PW is a medical technical engineer responsible for technical implementation.
TT is a senior author.
SV conducted advanced tests on TCSS.
IB helped create a draft of this manuscript.
MGF is the inventor of TCSS and all the included functions.
PW implemented the control ideas in several development steps into the combination of electronic components.
Funding for this study has not been specifically funded from public, commercial or any other funding institutionfor-profit sectors.
Disclaimer The content and writing of this report is the responsibility of the author alone.
No one declared a competitive interest.
Uncommissioned source and peer review;
External peer review.
Increased bleeding can disrupt the operation, resulting in unstable blood flow dynamics, resulting in the need for blood transfusion.
Allogene transfusion increases mortality and morbidity, especially the risk of infection, pulmonary and renal complications, and events of thrombosis.
In many cases, automatic blood transfusion is a solution, but forced suction may destroy or change blood cells due to turbulence, shear force and contact with the external surface of the blood.
The purpose of this study is to analyze the distribution of turbulence and to develop a new suction device that reduces (or avoiding)turbulences.
Methods during the procedure, we recorded the turbulence with a microphone placed in different positions within the blood suction and analyzed the spectrum.
We then modify the circuit to increase the signal of the optical sensor and the pressure sensor to avoid air mixing and close suction.
Finally, we created the algorithm for the suction loop that regulates the personalized suction mode.
As a result, we developed a new suction system based on roller pump.
We used the piezoelectric sensor and registered the sound signal.
The best position for this element is to enter the suction handle.
After filtering the signal and further processing, we use it for the adjustment of the roller pump.
In addition, due to the further adjustment of the motor speed, the optical sensor minimizes the air mixing.
Finally, the negative pressure sensor, in the case of tight suction information, provides the circuit with information to stop the motor speed and balance pressure by opening the valve before the start of the suction again.
The algorithm allows to provide various suction modes in a personalized manner for specific cases in the field of operation.
Conclusion we have developed a new blood suction device based on roller pump.
The system is turbulence-
Its algorithm allows several personalized suction modes.
Additional features avoid tight suction and reduce air mixing.
Bleeding is common during surgery.
Increased bleeding can disrupt the operation, resulting in unstable blood flow dynamics, resulting in the need for blood transfusion.
Allogene transfusion increases mortality and morbidity, especially the risk of infection, pulmonary and renal complications, and events of thrombosis.
In many cases, automatic blood transfusion is a solution, but forced suction may destroy or change blood cells due to turbulence, shear force and contact with the external surface of the blood.
The purpose of this study is to analyze the distribution of turbulence and to develop a new suction device that reduces (or avoiding)turbulences.
Methods during the procedure, we recorded the turbulence with a microphone placed in different positions within the blood suction and analyzed the spectrum.
We then modify the circuit to increase the signal of the optical sensor and the pressure sensor to avoid air mixing and close suction.
Finally, we created the algorithm for the suction loop that regulates the personalized suction mode.
As a result, we developed a new suction system based on roller pump.
We used the piezoelectric sensor and registered the sound signal.
The best position for this element is to enter the suction handle.
After filtering the signal and further processing, we use it for the adjustment of the roller pump.
In addition, due to the further adjustment of the motor speed, the optical sensor minimizes the air mixing.
Finally, the negative pressure sensor, in the case of tight suction information, provides the circuit with information to stop the motor speed and balance pressure by opening the valve before the start of the suction again.
The algorithm allows to provide various suction modes in a personalized manner for specific cases in the field of operation.
Conclusion we have developed a new blood suction device based on roller pump.
The system is turbulence-
Its algorithm allows several personalized suction modes.
Additional features avoid tight suction and reduce air mixing.
The concept/design of the Zak and the written manuscript.
PW is a medical technical engineer responsible for technical implementation.
TT is a senior author.
SV conducted advanced tests on TCSS.
IB helped create a draft of this manuscript.
MGF is the inventor of TCSS and all the included functions.
PW implemented the control ideas in several development steps into the combination of electronic components.
Funding for this study has not been specifically funded from public, commercial or any other funding institutionfor-profit sectors.
Disclaimer The content and writing of this report is the responsibility of the author alone.
No one declared a competitive interest.
Uncommissioned source and peer review;
External peer review.
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