Implantation device for metabolite sensors
First Claim
1. An implantation device for implanting a sensor element for detecting at least one analyte in a bodily fluid or body tissue, comprising at least one cannula for piercing a skin surface of a patient, wherein the cannula has at least one holding area for holding the sensor element, wherein the implantation device has at least one hydraulic container, connected to the cannula, for holding a hydraulic fluid, wherein the implantation device has at least one pressure generation device, wherein the pressure generation device is designed to apply pressure to the hydraulic fluid, wherein the sensor element can be transferred from the cannula into the body tissue by a hydraulic pressure exerted by the hydraulic fluid, wherein the hydraulic fluid is supplied by a hydraulic reservoir into the hydraulic container via at least one connection and, wherein the connection comprises at least one valve, wherein the valve is designed to open in the case of negative pressure in the hydraulic container and permit subsequent flow of hydraulic fluid into the hydraulic container.
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Accused Products
Abstract
The invention relates to an implantation device for implanting a sensor element for detecting at least one analyte in a bodily fluid or body tissue. The implantation device comprises at least one cannula for piercing a skin surface of a patient. The cannula has at least one holding area for holding the sensor element. The implantation device furthermore has at least one hydraulic container, connected to the cannula, for holding a hydraulic fluid and at least one pressure generation device. The pressure generation device is designed to apply pressure to the hydraulic fluid, wherein the sensor element can be transferred from the cannula into the body tissue using the hydraulic fluid.
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Citations
28 Claims
- 1. An implantation device for implanting a sensor element for detecting at least one analyte in a bodily fluid or body tissue, comprising at least one cannula for piercing a skin surface of a patient, wherein the cannula has at least one holding area for holding the sensor element, wherein the implantation device has at least one hydraulic container, connected to the cannula, for holding a hydraulic fluid, wherein the implantation device has at least one pressure generation device, wherein the pressure generation device is designed to apply pressure to the hydraulic fluid, wherein the sensor element can be transferred from the cannula into the body tissue by a hydraulic pressure exerted by the hydraulic fluid, wherein the hydraulic fluid is supplied by a hydraulic reservoir into the hydraulic container via at least one connection and, wherein the connection comprises at least one valve, wherein the valve is designed to open in the case of negative pressure in the hydraulic container and permit subsequent flow of hydraulic fluid into the hydraulic container.
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25. An implantation device for implanting a sensor element for detecting at least one analyte in a bodily fluid or body tissue, comprising at least one cannula for piercing a skin surface of a patient, wherein the cannula has at least one holding area for holding the sensor element, wherein the implantation device has at least one hydraulic container, connected to the cannula, for holding a hydraulic fluid, wherein the implantation device has at least one pressure generation device, wherein the pressure generation device is designed to apply pressure to the hydraulic fluid, wherein the sensor element can be transferred from the cannula into the body tissue by a hydraulic pressure exerted by the hydraulic fluid, wherein the hydraulic fluid is supplied by a hydraulic reservoir into the hydraulic container via at least one connection and, wherein the connection comprises at least one valve, wherein the pressure generation device comprises at least one pressure piston held in the hydraulic container, wherein a position of the pressure piston can be fixed relative the skin surface, wherein the pressure piston is connected to at least one resting surface, the connection being effected by means of a piston rod.
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26. An implantation device for implanting a sensor element for detecting at least one analyte in a bodily fluid or body tissue, comprising at least one cannula for piercing a skin surface of a patient, wherein the cannula has at least one holding area for holding the sensor element, wherein the implantation device has at least one hydraulic container, connected to the cannula, for holding a hydraulic fluid, wherein the implantation device has at least one pressure generation device, wherein the pressure generation device is designed to apply pressure to the hydraulic fluid, wherein the sensor element can be transferred from the cannula into the body tissue by a hydraulic pressure exerted by the hydraulic fluid, wherein the hydraulic fluid is supplied by a hydraulic reservoir into the hydraulic container via at least one connection and, wherein the connection comprises at least one valve, wherein the cannula is at least partly transparent to light in the ultraviolet spectral range.
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27. An implantation device for implanting a sensor element for detecting at least one analyte in a bodily fluid or body tissue, comprising at least one cannula for piercing a skin surface of a patient, wherein the cannula has at least one holding area for holding the sensor element, wherein the implantation device has at least one hydraulic container, connected to the cannula, for holding a hydraulic fluid, wherein the implantation device has at least one pressure generation device, wherein the pressure generation device is designed to apply pressure to the hydraulic fluid, wherein the sensor element can be transferred from the cannula into the body tissue by a hydraulic pressure exerted by the hydraulic fluid, wherein the hydraulic fluid is supplied by a hydraulic reservoir into the hydraulic container via at least one connection and, wherein the connection comprises at least one valve, wherein the implantation device is designed to remove a sensor element implanted in the body tissue, wherein the pressure generation device is designed to generate negative pressure in the hydraulic fluid to allow the sensor element to be sucked into the cannula.
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28. An implantation device for implanting a sensor element for detecting at least one analyte in a bodily fluid or body tissue, comprising at least one cannula for piercing a skin surface of a patient, wherein the cannula has at least one holding area for holding the sensor element, wherein the implantation device has at least one hydraulic container, connected to the cannula, for holding a hydraulic fluid, wherein the implantation device has at least one pressure generation device, wherein the pressure generation device is designed to apply pressure to the hydraulic fluid, wherein the sensor element can be transferred from the cannula into the body tissue by a hydraulic pressure exerted by the hydraulic fluid, wherein the hydraulic fluid is supplied by a hydraulic reservoir into the hydraulic container via at least one connection and, wherein the connection comprises at least one valve;
- further comprising at least one device for setting and/or restricting the implantation depth, wherein the device for setting and/or restricting the implantation depth comprises a resting surface for resting on the skin surface, wherein the resting surface at least partly annularly surrounds the cannula, and wherein the cannula and the hydraulic container form an implantation unit, with the device for setting and/or restricting the implantation depth being connected to the implantation unit via at least one spring element;
wherein the valve is designed to open in the case of negative pressure in the hydraulic container and permit subsequent flow of hydraulic fluid into the hydraulic container.
- further comprising at least one device for setting and/or restricting the implantation depth, wherein the device for setting and/or restricting the implantation depth comprises a resting surface for resting on the skin surface, wherein the resting surface at least partly annularly surrounds the cannula, and wherein the cannula and the hydraulic container form an implantation unit, with the device for setting and/or restricting the implantation depth being connected to the implantation unit via at least one spring element;
Specification