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Implantable biological energy insulin pump

An insulin pump and bioenergy technology, applied in the field of medical devices, can solve the problems of large volume, affect heart function, and not suitable for implantation in the body, and achieve the effect of small volume and sufficient collection

Inactive Publication Date: 2015-07-01
SECOND MILITARY MEDICAL UNIV OF THE PEOPLES LIBERATION ARMY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the heart is the "engine" of the human body, improper collection of cardiac kinetic energy will inevitably affect the function of the heart and even cause heart damage
In addition, traditional electromagnetic induction generators based on Faraday's law are large in size and complex in structure, and are not suitable for implantation in the body.

Method used

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  • Implantable biological energy insulin pump
  • Implantable biological energy insulin pump
  • Implantable biological energy insulin pump

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] figure 1 It is a schematic diagram of the implantable bioenergy insulin pump according to the first embodiment of the present invention. like figure 1 As shown, the implantable bioenergy insulin pump 100 includes a control unit 19, a signal transmitting unit 16, a syringe pump 15, an infusion catheter 151, a blood glucose monitoring unit 20, and a power generation unit 200. The power generation unit 200 includes a power generation main body 11, a rectification and filtering circuit 12. Output electrode 14 and electric energy storage part 13.

[0031] The power generating body 11 is an elastic annular structure, which can surround the aorta 18. The power generating body 11 has a piezoelectric material inside, which can generate electric energy by utilizing the deformation of the aorta. The output electrode 14 of the power generation main body 11 is connected with a rectification filter circuit 12, so that the electric energy output by the power generation main body 11 ...

Embodiment 2

[0043] In this embodiment, the shape of the blood glucose monitoring part, the control part, the signal transmitting part, the injection pump, the power generation body and the setting of the adjustment end of the implantable bioenergy insulin pump are the same as in the first embodiment, the difference is that in this embodiment , the piezoelectric material layer of the power generation body adopts nanoscale piezoelectric ceramic materials.

[0044] Another difference is that in this embodiment, the adjustment end 23 is fixed by a titanium clip. While being fixed, use a miniature pressure sensor to detect the pressure of the generator body on the outer wall of the aorta, and slowly tighten the teeth until the pressure reaches 120-140mmHg.

Embodiment 3

[0046] In this embodiment, the blood glucose monitoring part, control part, signal transmitting part, syringe pump, and the shape of the power generation body and the setting of the adjustment end of the bioenergy insulin pump are the same as in the first embodiment, the difference is that in this embodiment, the power generation body The piezoelectric material layer is made of piezoelectric polymer, and the adjustment end is fixed by adhesive bonding. While being fixed, use a miniature pressure sensor to detect the pressure of the generator body on the outer wall of the aorta, and slowly tighten the teeth until the pressure reaches 120-140mmHg.

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Abstract

The invention provides an implantable biological energy insulin pump. The implantable biological energy insulin pump comprises a blood glucose monitoring unit, an insulin infusion pump, an infusion catheter, a control unit, a signal transmitting unit, a vitro communicator and a power generation unit. The power generation unit comprises a power generation body, adjusting ends, an output electrode, an encapsulation layer and an electrical energy storage unit. The power generation body is used for collecting mechanical energy produced during aortectasia and converting the mechanical energy into electric energy. The power generation body is of a multilayer film structure and comprises a piezoelectric material layer arranged on the central layer as well as a first electrode layer and a second electrode layer which are arranged on both sides of the piezoelectric material layer. The encapsulation layer covers the surfaces of the power generation body, the adjusting ends, the output electrode and the electrical energy storage unit. The adjusting ends are arranged at both ends of the power generation body for adjusting the length of the power generation body. The output electrode is used for transport electrical energy to the electrical energy storage unit. The implantable biological energy insulin pump needs no battery replacement and can achieve lifetime use after implantation.

Description

technical field [0001] The invention relates to an implanted insulin pump, which belongs to the field of medical devices. Background technique [0002] Diabetes is a common and frequently-occurring disease in middle-aged and elderly patients. As a life-long disease, there is still a lack of radical treatment. In people with severe diabetes, intensive insulin therapy is usually required. Since intensive treatment requires 3 or more daily insulin injections, the risk of hypoglycemia and the possibility of weight gain are greatly increased. [0003] Implantable insulin pumps developed or in clinical trials in recent years are conducive to continuous and stable blood sugar control and reduce diabetes-related complications. However, an implantable insulin pump, as an electronic device implanted in the body, requires a continuous power supply. However, the power supply time of existing micro-batteries is generally short, and once the energy of the batteries is exhausted after i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M5/142A61M5/168
CPCA61M5/14216A61M2205/0294A61M2205/04A61M2205/82A61M2230/201
Inventor 张浩曲丹徐志云
Owner SECOND MILITARY MEDICAL UNIV OF THE PEOPLES LIBERATION ARMY
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