Sampling module device and method
First Claim
Patent Images
1. A lancet module, comprising a module body portion comprising a lancet channel with a plurality of lancet bearing guides disposed within the lancet channel;
- and a lancet comprising a sharpened distal tip and shaft portion which is slidably disposed within the lancet channel and lancet bearing guides with the lancet bearing guides configured to confine a lancet to substantially linear axial movement.
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Abstract
A tissue penetration device and method of using same that may include a lancet module or sampling module. The sampling module may optionally be in a cartridge configuration and include sampling and analyzing functions, which may be integrated.
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Citations
39 Claims
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1. A lancet module, comprising
a module body portion comprising a lancet channel with a plurality of lancet bearing guides disposed within the lancet channel; - and
a lancet comprising a sharpened distal tip and shaft portion which is slidably disposed within the lancet channel and lancet bearing guides with the lancet bearing guides configured to confine a lancet to substantially linear axial movement. - View Dependent Claims (2, 3, 4, 5)
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6. A lancet module, comprising
a module body portion comprising a lancet channel having at least one flow stop chamber disposed within a distal end portion of the lancet channel that has a transverse dimension that is significantly larger than a transverse dimension of a distally adjacent portion of the lancet channel and a rapid transition in transverse dimension that will interrupt capillary action from a distal end of the lancet channel; - and
a lancet comprising a sharpened distal tip and shaft portion which is slidably disposed within the lancet channel. - View Dependent Claims (7, 8, 9, 10, 12)
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11. A sampling module, comprising
a module body portion comprising a lancet channel with a plurality of lancet bearing guides disposed within the lancet channel; -
a lancet comprising a sharpened distal tip and shaft portion which is slidably disposed within the lancet channel and lancet bearing guides with the lancet bearing guides configured to confine a lancet to substantially linear axial movement; and
a sample reservoir in fluid communication with a sample input port of the module body portion. - View Dependent Claims (13, 14, 15)
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16. A sampling module, comprising:
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a module body portion comprising a lancet channel having at least one flow stop chamber disposed within a distal end portion of the lancet channel that has a transverse dimension that is significantly larger than a transverse dimension of a distally adjacent portion of the lancet channel and a rapid transition in transverse dimension that will interrupt capillary action from a distal end of the lancet channel;
a lancet comprising a sharpened distal tip and shaft portion which is slidably disposed within the lancet channel; and
a sample reservoir in fluid communication with a sample input port of the module body portion. - View Dependent Claims (17, 18, 19, 20)
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21. A sampling module, comprising:
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a module body portion comprising a lancet channel;
a lancet comprising a sharpened distal tip and shaft portion which is slidably disposed within the lancet channel of the module body portion;
a sample reservoir having an input end and a terminal end, the sample reservoir being in fluid communication with a sample input port of the module body portion; and
a vent disposed between and in fluid communication with the terminal end of the sample reservoir and the lancet channel. - View Dependent Claims (22, 23, 24, 25, 26, 27)
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28. A sampling module comprising:
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a module body portion having a sampling site adjacent a lancet exit port where the sharpened distal tip of the lancet exits a distal end of the module body portion that includes a sample cavity in a distal end surface of the module body portion;
a lancet comprising a sharpened distal tip and shaft portion which is slidably disposed within the module body portion and extendable from the lancet exit port; and
a sample reservoir in fluid communication with a sample cavity of the module body portion. - View Dependent Claims (29, 30)
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31. A sampling module, comprising:
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a module body portion configured to be mechanically registered and secured adjacent a lancet driver;
a lancet comprising a sharpened distal tip and shaft portion which is slidably disposed within the module body portion; and
a sample reservoir in fluid communication with a sample input port of the module body portion that has a fill detector for determining when the sample reservoir is full of a sample. - View Dependent Claims (32, 33, 34)
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35. A sampling module, comprising:
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a module body portion comprising a lancet channel;
a lancet comprising a sharpened distal tip and shaft portion which is slidably disposed within the lancet channel of the module body portion;
a first sample reservoir having an input end and a terminal end, the input end of the sample reservoir being in fluid communication with a sample input port of the module body portion; and
a second sample reservoir having an input end in fluid communication with the terminal end of the first sample reservoir and having a cross sectional area that is substantially smaller than a cross sectional area of the first sample reservoir such that a sample flowing from the sample input port into the first sample reservoir will fill the first sample reservoir and then rapidly fill the second sample reservoir by capillary action. - View Dependent Claims (36, 37, 38, 39)
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Specification