Negative pressure guided bone cement injection system
AssigneeNational Yang-Ming University
InventorsWoei-Chyn Chu, Yin-Jiun Tseng, William Chu
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Abstract
The present invention provides a negative pressure guided bone cement injection system comprising a negative pressure system, comprising a negative pressure introduction device, a pushing system for implant bone cement to the target area, a control system for regulating the negative pressure system and the pushing system, and at least one sensing device disposed at any position of the negative pressure system, which can sense at least one environmental parameter for observing the physiological condition of a patient's spinal vertebral body can be monitored immediately, and the result is actively or passively sent back to the system or the operator for adjusting the injection parameters.
Claims15
A negative pressure guided bone cement injection system comprising:
- a negative pressure system comprising:
- a negative pressure introduction device;
- wherein the negative pressure introduction device comprises a cavity, a side connected to an aspiration source, and a first opening on an opposite side;
- wherein the aspiration source is for introducing a negative pressure and the first opening is for outputting the negative pressure;
- a pushing system comprising a pushing pump and a bone cement implantation system, wherein the pushing pump is connected to the bone cement implantation system for pushing a bone cement material in the bone cement implantation system for delivery;
- a controller connected to the negative pressure system and the pushing system;
- and
- at least one sensor electrically connected to the negative pressure system and the controller for sensing at least one environmental parameter and sending the at least one environmental parameter to the controller;
- wherein the at least one sensor includes a pressure sensor;
- wherein when the negative pressure guided bone cement injection system is turned on, the aspiration source starts to operate, and the pressure sensor measures an initial negative pressure value;
- wherein the controller compares the initial negative pressure value or a dynamic negative pressure value measured by the pressure sensor with a preset threshold;
- wherein the controller starts to drive the pushing pump for bone cement injection when the dynamic negative pressure value is lower than the preset threshold;
- wherein the bone cement injection stops when the dynamic negative pressure value exceeds a target value.
Dependencies are inferred from the claim text.