METHODS AND APPARATUS FOR EXPRESSING BODY FLUID FROM AN INCISION
First Claim
1. A method of obtaining a sample of body fluid from a body, comprising the acts of:
- A) applying a skin-lancing device against the skin of a user to form an incision in the skin;
B) removing the skin-lancing device from the incision; and
thereafterC) applying a force to depress the skin in a manner forming a ring of depressed body tissue in surrounding relationship to the incision wherein a stimulating member and a plurality of levers act to bulge and stretch the incision open, whereby body fluid is expressed from the opening of the incision.
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0 Petitions
Accused Products
Abstract
A sample of a body fluid such as blood or interstitial fluid is obtained from a body by lancing a portion of a user'"'"'s skin, preferably in an area other than a finger tip, to form an incision. After the needle has been removed from the incision, a force is applied to depress the skin in a manner forming a ring of depressed body tissue in surrounding relationship to the incision, causing the incision to bulge and the sides of the incision to open, whereby body fluid is forced out through the opening of the incision. A stimulator member is mounted to an end of a lancet-carrying housing for applying the force. The stimulator member can be movable relative to the housing, and can be either heated or vibrated to promote movement of the body fluid.
100 Citations
19 Claims
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1. A method of obtaining a sample of body fluid from a body, comprising the acts of:
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A) applying a skin-lancing device against the skin of a user to form an incision in the skin; B) removing the skin-lancing device from the incision; and
thereafterC) applying a force to depress the skin in a manner forming a ring of depressed body tissue in surrounding relationship to the incision wherein a stimulating member and a plurality of levers act to bulge and stretch the incision open, whereby body fluid is expressed from the opening of the incision. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method, comprising the acts of:
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forming an incision in skin with an incision forming mechanism of a sampling device; and squeezing the skin around the incision with a stimulation mechanism of the sampling device after said forming the incision to express body fluid from the incision. - View Dependent Claims (10, 11)
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12. A method of obtaining a sample of capillary whole blood from a target tissue, comprising the acts of:
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providing a penetrating system that includes a tissue stabilizing member; applying skin stimulation to a skin surface site with the tissue stabilizing member; introducing a penetrating member through the skin surface site to form an incision; and collecting blood from the incision in the penetrating system. - View Dependent Claims (13, 14, 15, 16)
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17. A method, comprising the acts of:
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forming an incision in tissue with a device; and expressing body fluid from the incision by depressing the tissue surrounding the incision progressively closer to the incision with the device. - View Dependent Claims (18, 19)
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Specification