Tissue penetration device
First Claim
1. A penetrating member system for withdrawing body fluid from a body part, comprising:
- a penetrating member with a tip;
a sterile protector that surrounds the tip, the sterile protector having a weakened portion along which the sterile protector at least partially separates during a puncture movement, andwherein the tip is released to perform a puncture.
2 Assignments
0 Petitions
Accused Products
Abstract
A tissue penetration device and method of using same. The tissue penetration device may optionally include sampling and analyzing functions, which may be integrated. An embodiment provides control of a lancet used for sampling blood. Electric field coils or solenoids may drive the lancet using electromagnetic force. Advancement and retraction of a lancet may be controlled by a feedback loop monitoring the position and velocity of the lancet embodiments of the lancet driver can be configured to follow a predetermined tissue lancing profile. Embodiments of the invention include a lancet and method for using a lancet to maintain the patency of the wound tract once the lancet has cut into the skin.
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Citations
39 Claims
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1. A penetrating member system for withdrawing body fluid from a body part, comprising:
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a penetrating member with a tip; a sterile protector that surrounds the tip, the sterile protector having a weakened portion along which the sterile protector at least partially separates during a puncture movement, and wherein the tip is released to perform a puncture. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A penetrating member system for pricking a body part and withdrawing body fluid, comprising:
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a magazine including a plurality of chambers; a plurality of penetrating members, one of a penetrating member being movably mounted in an associated chamber, each of a penetrating member including a tip and a sterile protector that surrounds the tip, the sterile protector having a weakened portion along which the sterile protector at least partially separates during a puncture movement; and wherein the tip is released to perform a puncture. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21)
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22. A method for pricking a body part with a penetrating member system that includes a housing with opening, a penetrating member moveably disposed in the housing, and a sterile protector surrounding a tip of the penetrating member, the sterile protector having a weakened portion, the method comprising:
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positioning the opening on or near the body part; moving the penetrating member toward the opening during a puncture movement until the sterile protector contacts an inner surface of the housing near the opening; at least partially separating the sterile protector along the weakened portion; driving the tip through the sterile protector; and puncturing the body part. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29)
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30. A penetrating member system, comprising:
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a housing with an opening; a penetrating member with a tip and positioned in the housing, the tip configured to puncture a body part during a puncturing operation; a sterile protector with a weakened portion; and wherein the penetrating member is moveable between a first position and a second position, in the first position the tip being positioned within the housing and enclosed by the sterile protector, in the second position the tip being exposed through the opening and the sterile protector being at least partially separated along the weakened portion. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38, 39)
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Specification