Methods and apparatus for lancet actuation
First Claim
Patent Images
1. A body fluid sampling device for use on a tissue site, comprising:
- a housing;
an electronic drive force generator configured to be coupled to a penetrating member;
a multiple penetrating member cartridge;
a processor coupled to the drive force generator capable of changing a direction and magnitude of force exerted on a penetrating member during a lancing cycle;
a feedback control coupled to the processor, the feedback control providing information to the processor based on at least one of penetrating member, displacement velocity and acceleration;
a human interface on the housing;
a human interface processor; and
wherein the housing and all elements therein have a combined weight of less than about 0.5 lbs and the electronic drive force generator uses electricity to create a controllable electromagnetic field for actuating a penetrating member.
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Abstract
A lancet driver is provided wherein the driver exerts a driving force on a lancet during a lancing cycle and is used on a tissue site. The driver comprises of a drive force generator for advancing the lancet and a processor coupled to the drive force generator capable of changing the direction and magnitude of force exerted on the lancet during the lancing cycle. The driver further includes a human interface on the housing providing at least one output for communicating with the patient.
2905 Citations
12 Claims
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1. A body fluid sampling device for use on a tissue site, comprising:
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a housing; an electronic drive force generator configured to be coupled to a penetrating member; a multiple penetrating member cartridge; a processor coupled to the drive force generator capable of changing a direction and magnitude of force exerted on a penetrating member during a lancing cycle; a feedback control coupled to the processor, the feedback control providing information to the processor based on at least one of penetrating member, displacement velocity and acceleration; a human interface on the housing; a human interface processor; and wherein the housing and all elements therein have a combined weight of less than about 0.5 lbs and the electronic drive force generator uses electricity to create a controllable electromagnetic field for actuating a penetrating member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A body fluid sampling device for use on a tissue site, comprising:
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a housing; an electronic drive force generator configured to be coupled to a penetrating member; a multiple penetrating member cartridge; a processor coupled to the drive force generator capable of changing a direction and magnitude of force exerted on a penetrating member during a lancing cycle; a feedback control coupled to the processor, the feedback control providing information to the processor based on at least one of penetrating member, displacement velocity and acceleration; a human interface on the housing; a human interface processor; and wherein the housing and all elements therein have a combined weight of less than about 0.5 lbs and the human interface is coupled to receive signals from the human interface processor separate from the processor controlling penetrating member actuation.
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11. A body fluid sampling device for use on a tissue site, comprising:
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a housing; an electronic drive force generator configured to be coupled to a penetrating member; a multiple penetrating member cartridge; a processor coupled to the drive force generator capable of changing a direction and magnitude of force exerted on a penetrating member during a lancing cycle; a feedback control coupled to the processor, the feedback control providing information to the processor based on at least one of penetrating member, displacement velocity and acceleration; a human interface on the housing; a human interface processor; and wherein the housing and all elements therein have a combined weight of less than about 0.5 lbs and the electronic drive force generator is a rotary voice coil drive force generator.
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12. A body fluid sampling device for use on a tissue site, comprising:
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a housing; an electronic drive force generator configured to be coupled to a penetrating member; a multiple penetrating member cartridge; a processor coupled to the drive force generator capable of changing a direction and magnitude of force exerted on a penetrating member during a lancing cycle; a feedback control coupled to the processor, the feedback control providing information to the processor based on at least one of penetrating member, displacement velocity and acceleration; a human interface on the housing; a human interface processor; and wherein the housing and all elements therein have a combined weight of less than about 0.5 lbs and the electronic drive force generator includes a magnetic source that produces a controllable magnetic field in a magnetically active region adjacent the magnetic source, and a moveable member at least partially disposed in the magnetically active region, the member moved by the controllable magnetic field to actuate a penetrating member.
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Specification