VARIABLE SPEED SENSOR INSERTION DEVICES AND METHODS OF USE
First Claim
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1. A sensor insertion device comprising:
- a shuttle movable between a first position and a second position, the shuttle configured to retain a transcutaneous sensor while in the first position and release the sensor while in the second position;
a means for providing a force to drive the shuttle from the first position to the second position; and
a means for varying the driving force while the shuttle is stationary.
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Abstract
An automatic sensor inserter is disclosed for placing a transcutaneous sensor into the skin of a living body. According to aspects of the invention, characteristics of the insertion such as sensor insertion speed may be varied by a user. In some embodiments, insertion speed may be varied by changing an amount of drive spring compression. The amount of spring compression may be selected from a continuous range of settings and/or it may be selected from a finite number of discrete settings. Methods associated with the use of the automatic inserter are also covered.
271 Citations
20 Claims
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1. A sensor insertion device comprising:
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a shuttle movable between a first position and a second position, the shuttle configured to retain a transcutaneous sensor while in the first position and release the sensor while in the second position; a means for providing a force to drive the shuttle from the first position to the second position; and a means for varying the driving force while the shuttle is stationary. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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- 12. An improved sensor insertion device of the type which drives a sensor into a living body, the improvement comprising a mechanism configured to allow a sensor insertion velocity of the insertion device to be set to one of a plurality of settings.
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17. A method of inserting a sensor, the method including the steps of:
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cocking an automatic sensor insertion device; selecting an insertion speed setting from among a plurality of insertion speed settings on the insertion device; placing the insertion device against the skin of a living body; and firing a sensor into the skin using the selected insertion speed. - View Dependent Claims (18, 19, 20)
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Specification