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Patent Details

Indian Institute of Technology (IIT) Roorkee 
An adaptive feedback controlled electric hydro dissection device 
Akshay Dvivedi and Rajendra Kumar Arya 
Indian Institute of Technology (IIT) Roorkee 
Application type:
Applied - 2019-10-31 
Application Number:
Applied at:
Entered by:
Indian Institute of Technology (IIT) Roorkee 
The present invention provides a device for electric hydro dissection with adaptive feedback control and recording live data during the surgery of cleft lip and cleft palate. The electrically powered slider of the device can provide smooth and jerk-free pressurized flow of liquid. The said device comprising a controlling unit including a microcontroller, a motor driver, power connector, interface connector and two on/off switches, an injection gun with push/pull slider operating by a motor with lead screw and a syringe holder and a force sensor that is placed at push plate on push slider. The said device provides a smooth injection of injecting liquid by setting the speed of the motor at a constant value. The syringe plunger has forward and backward motion for loading and unloading of liquid into the syringe. Automatic stopper is provided at both the ends of the lead screw to fix the forward and backward movement. The force data, sensed by force sensor and produced due to change in pressure inside the syringe, is retrieved. When the force value crosses the predefined threshold value of force, the forward motion of syringe plunger automatically stops by following the statements of the predefined program on a microcontroller. Hence, the combination of sensor and microcontroller, employed in the device can provide real-time sensing and feedback for effective controlling of the situations during surgery. In an embodiment, the device can be adopted for precise injection and infusion procedures for medical as well as laboratory applications. 

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