VACUUM ASSISTED LANCING SYSTEM WITH BIDIRECTIONAL MECHANISM AND METHOD FOR BLOOD EXTRACTION WITH MINIMAL PAIN
First Claim
1. A lancing system for blood extraction, comprising:
- a tubular body having a central longitudinal axis, a lancing end and a free end;
a lancing shaft having a lance coupling end and an actuating end, the lancing shaft being slideably coupled along the longitudinal axis to the lancing end of the body;
a stop coupled to the lancing end of the body, the stop being disposed between the lance coupling end and the actuating end of the lancing shaft;
at least one lancing spring coupled to the lancing shaft;
a main shaft having an actuating end and a free end, wherein the actuating end of the main shaft is disposed inside the body toward the actuating end of the lancing shaft; and
a shaft coupler having at least two separable portions for removably coupling the lancing shaft to the main shaft, wherein a first portion is coupled to the actuating end of the lancing shaft and a second portion is coupled to the actuating end of the main shaft; and
wherein the first and second portions are adapted to be removably coupled together having a coupler force there between.
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Accused Products
Abstract
A lancing system can include a device body having a lancing end and a free end, a lancing shaft having an actuating end, a stop coupled to the body, a lancing spring coupled to the lancing shaft, a main shaft having an actuating end, and a shaft coupler having at least two separable portions for removably coupling the lancing shaft to the main shaft, wherein a first portion is coupled to the actuating end of the lancing shaft and a second portion is coupled to the actuating end of the main shaft. A method of extracting blood can include coupling the actuating end of the main shaft to the actuating end of the lancing shaft, moving the lancing shaft toward the free end of the device body, stopping the lancing shaft, uncoupling the actuating ends, and moving the lancing shaft toward a surface to be lanced.
23 Citations
26 Claims
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1. A lancing system for blood extraction, comprising:
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a tubular body having a central longitudinal axis, a lancing end and a free end; a lancing shaft having a lance coupling end and an actuating end, the lancing shaft being slideably coupled along the longitudinal axis to the lancing end of the body; a stop coupled to the lancing end of the body, the stop being disposed between the lance coupling end and the actuating end of the lancing shaft; at least one lancing spring coupled to the lancing shaft; a main shaft having an actuating end and a free end, wherein the actuating end of the main shaft is disposed inside the body toward the actuating end of the lancing shaft; and a shaft coupler having at least two separable portions for removably coupling the lancing shaft to the main shaft, wherein a first portion is coupled to the actuating end of the lancing shaft and a second portion is coupled to the actuating end of the main shaft; and wherein the first and second portions are adapted to be removably coupled together having a coupler force there between. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method of extracting blood with a lancing system including a tubular body having a lancing end and a free end, a lancing shaft having a lance coupling end and an actuating end, the lancing shaft being slideably coupled with the lancing end of the body, a stop coupled to the lancing end of the body, the stop being disposed between the lance coupling end and the actuating end of the lancing shaft, at least one lancing spring coupled to the lancing shaft, a main shaft having an actuating end and a free end, wherein the actuating end of the main shaft is disposed inside the body toward the actuating end of the lancing shaft, and a shaft coupler having at least two separable portions for removably coupling the lancing shaft to the main shaft, wherein a first portion is coupled to the actuating end of the lancing shaft and a second portion is coupled to the actuating end of the main shaft and the first and second portions are adapted to be removably coupled together having a coupler force there between, and a lance coupled to the lance coupling end of the lancing shaft, the method comprising:
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coupling the actuating end of the main shaft to the actuating end of the lancing shaft; contacting a surface with the lancing end of the body; moving the lancing shaft toward the free end of the body; stopping the lancing shaft with the stop; uncoupling the actuating end of the lancing shaft from the actuating end of the main shaft; and moving the lancing shaft toward the surface until the lance penetrates the surface. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification