Implantable medical device and system with wireless communication antenna
An implantable medical and wireless communication technology, applied in the field of implantable medical systems, can solve the problems of long communication distance of monopole antenna and limited space of implanted medical equipment, and achieve small size, reduced harm, and reliable communication. Effect
Active Publication Date: 2016-03-16
SCENERAY
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Problems solved by technology
[0005] The implantable medical equipment in the prior art communicates wirelessly with the external control device by setting a wireless communication antenna. Since the communication frequency between the implantable medical equipment and the external control is between 402 and 405 MHz, for a monopole antenna Usually a long length is required to achieve the required communication distance and effect, which is difficult for the extremely limited space inside the implantable medical device
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[0034] Below in conjunction with accompanying drawing, the present invention is described in further detail:
[0035] refer to figure 1 , taking the implanted nerve electrical stimulation system as an example, it mainly includes an implanted medical device 1 implanted in the body, an electrode 3, and a control device 2 located outside the body. In this embodiment, the implanted medical device 1 is an implanted pulse generator. The implantable pulse generator is electrically connected to the electrode 3, so that the pulse generated by the implantable pulse generator is transmitted to the electrode 3, so as to electrically stimulate the nerve target to achieve a therapeutic effect. The electrode 3 has 4 pairs of contacts, the 4 pairs of contacts correspond to the 4 pairs of metal stoppers on the head of the implantable pulse generator, and are used for fixedly connecting the electrode 3 with the pulse generator.
[0036] refer to figure 2 and image 3 , an implantable medic...
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The invention discloses an implanted medical instrument provided with a wireless communication antenna. The implanted medical instrument comprises an outer shell, a head and the wireless communication antenna, wherein the head is arranged on the outer shell and comprises multiple metal link stoppers used for being connected with implanted electrodes, and the wireless communication antenna at least comprises an offset bent part which is arranged above the metal link stoppers. The invention further provides an implanted medical system of the implanted medical instrument provided with the wireless communication antenna. Compared with the prior art, due to the shape of the offset bending of wireless communication, the length of the wireless communication antenna is increased, and the length requirement for the wireless communication antenna is met. Moreover, the offset bent part is arranged above the metal link stoppers, the space above the metal link stoppers is ingenuously utilized, interference of the metal link stoppers is effectively avoided, so that the wireless communication antenna is communicated with an external control device reliably at low transmitting power and small in size to be convenient to implant into the human body, and then high-frequency radiation hazards to the human body are reduced.
Description
technical field [0001] The invention relates to an implanted medical system, in particular to an implanted medical device and an implanted medical system with a wireless communication antenna. Background technique [0002] Implantable medical systems usually include implantable electrical nerve stimulation systems (including deep brain electrical stimulation DBS, implantable cerebral cortical stimulation CNS, implantable spinal cord electrical stimulation SCS, implantable sacral nerve electrical stimulation SNS, implantable Vagus nerve stimulation VNS, etc.), implantable cardiac electrical stimulation system (commonly known as cardiac pacemaker), implantable drug infusion system (IDDS), etc. [0003] Taking the implanted electrical nerve stimulation system as an example, it mainly includes a pulse generator implanted in the body, electrodes and external control devices. Among them, the pulse generator is connected to the electrode, so that the pulse generated by the pulse g...
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IPC IPC(8): A61N1/372A61N1/39A61M31/00
Inventor 陈忠平周春明
Owner SCENERAY