Implantable bolus injector
First Claim
1. An implantable bolus injector device comprising a battery, an electronic control unit and an injector comprising a shape memory alloy spring as an actuator and a low-tension spring, wherein the electronic control unit is connected to the shape memory alloy spring via the low-tension spring, wherein the injector device has no skin-penetrating parts.
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Abstract
An implantable bolus injector having a battery, an electronic control unit and an injector including a shape memory alloy spring, a standard low-tension spring, and a threaded top part with a stainless steel cannula. The electronic control unit is connected to the shape memory alloy spring via a direct connection to the lower part of the spring and via the low-tension spring that ensures a connection between the spring and the control unit during the expansion of the shape memory alloy spring.
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Citations
12 Claims
- 1. An implantable bolus injector device comprising a battery, an electronic control unit and an injector comprising a shape memory alloy spring as an actuator and a low-tension spring, wherein the electronic control unit is connected to the shape memory alloy spring via the low-tension spring, wherein the injector device has no skin-penetrating parts.
Specification