Anticoagulant injection device for hemodialysis
An injection device and hemodialysis technology, applied in the field of medical devices, can solve problems such as reasonable injection of anticoagulant dosage, and achieve the effect of increasing practicability
Inactive Publication Date: 2020-10-30
郑琳娟
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Problems solved by technology
[0003] There are many kinds of anticoagulant injection devices on the market, but these anticoagulant injection devices are ubiquitous, and the amount of anticoagulant can not be injected reasonably in time according to the coagulation state of the patient during the hemodialysis process. Therefore, those skilled in the art provide An anticoagulant injection device for hemodialysis, to solve the problems raised in the above-mentioned background technology
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Embodiment Construction
[0019] see Figure 1~3 , in an embodiment of the present invention, an anticoagulant injection device for hemodialysis includes a bottom plate 1, a tube body 9 is connected above the bottom plate 1, a discharge port 8 is connected above the tube body 9, and the discharge port 8 An infusion tube 7 is connected to one end of the infusion tube 7, a needle 6 is connected to one end of the infusion tube 7, a feed port 92 is connected to the outside of the tube body 9, a valve 91 is connected to the outside of the feed port 92, and an electric motor is connected to the bottom of the inner wall of the tube body 9. Telescopic rod 94, the top of electric telescopic rod 94 is connected with negative pressure piston 93, and the outside of negative pressure piston 93 is connected with the inner wall of pipe body 9.
[0020] exist figure 2 Middle: The bottom of the bottom plate 1 is connected with a sponge pad 10, and one side of the bottom plate 1 is provided with a chute 11, and the in...
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The invention relates to the technical field of medical instruments. The utility model discloses an anticoagulant injection device for hemodialysis. The anticoagulant injection device comprises a bottom plate, a pipe body is connected to the upper portion of the bottom plate. An electric telescopic rod is connected to the lower portion of the inner wall of the pipe body. A negative pressure pistonis connected to the upper portion of the electric telescopic rod. The outer side of the negative pressure piston is connected with the inner wall of the pipe body; according to the invention, a signal receiver, a single-chip microcomputer, an electric telescopic rod and a negative pressure piston are arranged; the signal receiver is used for receiving signals (patient blood coagulation state, pressure parameter change and the like) from an external hemodialysis machine; the signals are transmitted into the single-chip microcomputer to be processed; the single-chip microcomputer can judge theblood coagulation state of a patient according to the signals, then the electric telescopic rod is controlled, the negative pressure piston connected with one end can ascend and descend, the anticoagulant dosage is reasonably injected, and the problem that the anticoagulant dosage cannot be reasonably injected in time according to the blood coagulation state of the patient in the hemodialysis process is solved.
Description
technical field [0001] The invention relates to the technical field of medical devices, in particular to an anticoagulant injection device for hemodialysis. Background technique [0002] Hemodialysis is a method of draining the blood in the body into a dialyzer composed of countless hollow fibers, exchanging substances through diffusion / convection, removing metabolic waste in the body, maintaining electrolyte and acid-base balance, and removing excess water in the body at the same time , and the entire process of reinfusing the purified blood, the most important part of the hemodialysis process is the injection of anticoagulants, the purpose of which is to prevent the blood from coagulating in the blood vessels to form thrombus. [0003] There are many kinds of anticoagulant injection devices on the market, but these anticoagulant injection devices are ubiquitous, and the amount of anticoagulant can not be injected reasonably in time according to the coagulation state of the...
Claims
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IPC IPC(8): A61M1/16A61M1/36
CPCA61M1/3621A61M1/3672A61M2202/0413A61M1/1621A61M2202/0021
Inventor 郑琳娟
Owner 郑琳娟