US4787398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glucose medical monitoring system
Assignee: DAYTON JUDSON M
•
Filing: 1986-07-25
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Granted: 1988-11-29
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Expires: 2006-07-25
Abstract
Abstract Hand-held shirt-pocket portable glucose medical monitoring system for checking measurement of blood glucose or other body qualities. The system includes a disposable diagnostic reagent-lancet unit which carries a chemcial reagent strip of blood reacting chemistry. The system includes a housing structure having a visual LCD readout, a microprocessor, and photosensing circuitry which measures the change of color of the blood reacting chemistry of the disposable unit. The housing also includes a spring arrangement for actuating a lancet into the skin for sampling and transporting blood from a finger to a chemical reagent. The disposable unit includes medical and fluid configurations for transporting of the blood to the reagent strip. The system inlcudes verification and calibration sequences for the electronics, the chemistry of an unused disposable unit, the presence of a blood sample, and multiple readings to an average result. The system also provides for storing a plurality of readings.
Inventors
- 👤 Fernando S. Garcia
- 👤 Hartmut G. Merkert
- 👤 Paul J. Anderson
- 👤 David E. Linde
- 👤 Bertram J. Hudson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:28
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/15; A61B5/151; A61B5/15186; A61B5/145; A61B5/14532; A61B5/150007; A61B5/150015; A61B5/150022; A61B5/150358; A61B5/150374; A61B5/150381; A61B5/150412; A61B5/150435; A61B5/150534; A61B5/150664; A61B5/15101; A61B5/15103; A61B5/15107; A61B5/15113; A61B5/15115; A61B5/15117; A61B5/15188; A61B5/1519; A61B5/15192; A61B5/15194; A61B5/157; C; C12; C12Q; C12Q1/00; C12Q1/54; G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/52; A61B2560/00; A61B2560/02; A61B2560/0242; A61B2560/0247; A61B2560/0252; A61B2562/00; A61B2562/02; A61B2562/0295
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
189 words
A disposable diagnostic lancet reagent unit for operative engagement with a glucose medical monitoring diagnostic system, said system including a hammer means, said disposable unit comprising: a. a housing; b. means for operatively connecting said unit to said system; c. puncturing means supported within said housing and aligned to be actuated by the hammer means and driven from within said housing through a first opening therethrough to puncture a surface adjacent said housing and cause a flow of liquid from said punctured surface; c. blood reagent chemistry means supported within said housing; d. fluid transporting means including said first opening in said housing for transporting a liquid substance flowing from said punctured surface to said reagent means; e. at least one opening in said housing for providing a liquid substance to said reagent means; and, f. aperture means through said housing adjacent said system positioned to pass light from at least a portion of said reagent means in said diagnostic unit to a sensing means in said system for a determination of color change of said reagent means by the system whereby said color change indicates a diagnostic condition.
Claim 2
Dependent Claim
189 words
A disposable diagnostic lancet reagent unit for operative engagement with a glucose medical monitoring diagnostic system, said system including a hammer means, said disposable unit comprising: a. a housing; b. means for operatively connecting said unit to said system; c. puncturing means supported within said housing and aligned to be actuated by the hammer means and driven from within said housing through a first opening therethrough to puncture a surface adjacent said housing and cause a flow of liquid from said punctured surface; c. blood reagent chemistry means supported within said housing; d. fluid transporting means including said first opening in said housing for transporting a liquid substance flowing from said punctured surface to said reagent means; e. at least one opening in said housing for providing a liquid substance to said reagent means; and, f. aperture means through said housing adjacent said system positioned to pass light from at least a portion of said reagent means in said diagnostic unit to a sensing means in said system for a determination of color change of said reagent means by the system whereby said color change indicates a diagnostic condition.
Claim 3
Dependent Claim
42 words
The disposable diagnostic unit of claim 1 wherein said puncturing means is movable between a retracted position in which said puncturing means is retracted substantially within said housing, and a puncturing position in which said puncturing means extends outwardly from said housing.
Claim 4
Dependent Claim
20 words
The disposable diagnostic unit of claim 2 including spring means serving to bias said puncturing means towards said retracted position.
Claim 5
Dependent Claim
27 words
The disposable diagnostic unit of claim 1 wherein said puncturing means includes a puncturing point mounted in cantilevered relationship with respect to a portion of said housing.
Claim 6
Dependent Claim
28 words
The disposable diagnostic unit of claim 3 wherein said puncturing means includes a puncturing point mounted in a cantilevered relationship with respect to a portion of said housing.
Claim 7
Dependent Claim
22 words
The disposable diagnostic unit of claim 5 wherein said puncturing means is spring biased toward said retracted position by said cantilevered relationship.
Claim 8
Dependent Claim
21 words
The disposable diagnostic unit of claim 1 wherein said puncturing means includes a puncturing end and an actuation force receiving end.
Claim 9
Dependent Claim
22 words
The disposable diagnostic unit of claim 7 wherein said housing includes opposed, substantially parallel first and second upper and lower wall portions.
Claim 10
Dependent Claim
53 words
The disposable diagnostic unit of claim 8 wherein said first and second wall portions include first and second openings respectively, each being substantially aligned with said puncturing means, and wherein said first opening is substantially aligned with said puncturing end and said second opening is substantially aligned with said actuation force receiving end.
Claim 11
Dependent Claim
23 words
The disposable diagnostic unit of claim 9 wherein said opening for providing a liquid substance to said reagent means includes said first opening.
Claim 12
Dependent Claim
17 words
The disposable diagnostic unit of claim 9 including a removable first protective barrier covering said first opening.
Claim 13
Dependent Claim
16 words
The disposable diagnostic unit of claim 11 including a second protective barrier covering said second opening.
Claim 14
Dependent Claim
24 words
The disposable unit of claim 1 wherein said fluid transporting means includes filter means for filtering at least one component from said liquid substance.
Claim 15
Dependent Claim
21 words
The disposable diagnostic unit of claim 3 wherein said spring means positions said puncturing means to travel in an arcuate path.
Claim 16
Dependent Claim
22 words
The disposable diagnostic unit of claim 1 including calibration means supported in an aperture in said housing next to said reagent means.
Claim 17
Dependent Claim
16 words
The disposable diagnostic unit of claim 1 wherein said fluid transporting means comprises a wicking means.
Claim 18
Dependent Claim
210 words
A disposable diagnostic lancet reagent unit for operating in engagement and use with a medical diagnostic system on a type having actuation means for driving of a puncturing means, connection means for operatively receiving said unit on said system and means in said system for reading a color change on the reagent means, said disposable diagnostic lancet reagent unit comprising: a. a housing; b. means on said housing for operatively connecting said unit to said system; c. puncturing means supported within said housing and aligned with a first opening in said housing for allowing said puncturing means to protrude therethrough and to puncture a surface adjacent said housing and cause a flow of liquid substance from said punctured surface when driven by said actuating means; d. reagent means, having a front side facing said surface and a back side away from said surface, supported within said housing; e. liquid conveying means including said first opening in said housing for conveying said liquid substance from said punctured surface to said reagent means; and, f. aperture means through said housing at a point adjacent said system unit for conveying light from a back side portion of said reagent means to said system for determination of color change, thereby indicating a diagnostic condition.
Claim 19
Dependent Claim
210 words
A disposable diagnostic lancet reagent unit for operating in engagement and use with a medical diagnostic system on a type having actuation means for driving of a puncturing means, connection means for operatively receiving said unit on said system and means in said system for reading a color change on the reagent means, said disposable diagnostic lancet reagent unit comprising: a. a housing; b. means on said housing for operatively connecting said unit to said system; c. puncturing means supported within said housing and aligned with a first opening in said housing for allowing said puncturing means to protrude therethrough and to puncture a surface adjacent said housing and cause a flow of liquid substance from said punctured surface when driven by said actuating means; d. reagent means, having a front side facing said surface and a back side away from said surface, supported within said housing; e. liquid conveying means including said first opening in said housing for conveying said liquid substance from said punctured surface to said reagent means; and, f. aperture means through said housing at a point adjacent said system unit for conveying light from a back side portion of said reagent means to said system for determination of color change, thereby indicating a diagnostic condition.
Claim 20
Dependent Claim
24 words
The disposable diagnostic unit of claim 17 wherein said liquid conveying means includes means for filtering at least one component of said liquid substance.
Claim 21
Dependent Claim
18 words
The disposable diagnostic unit of claim 17 wherein said surface is skin and said liquid substance is blood.
Claim 22
Dependent Claim
29 words
The disposable diagnostic unit of claim 17 wherein the color change of said reagent is caused by glucose in said liquid substance and said diagnostic condition is glucose level.
Claim 23
Dependent Claim
24 words
The disposable diagnostic unit of claim 17 wherein said fluid conveying means comprises a wicking means between said first opening and said reagent means.
Claim 24
Dependent Claim
205 words
A disposable diagnostic lancet reagent unit for operating in engagement and use with a medical diagnostic system of a type having actuation means for driving of a puncturing means, connection means for operatively receiving said reagent unit on said system and means in said system for reading a color change on the reagent means, said disposable diagnostic lancet reagent unit comprising: a. a housing including opposing finger gripping taps and a bottom plate; b. means on said system housing for operatively connecting said reagent unit to said system; c. puncturing means supported within said housing and a first opening in a base of said housing for allowing said puncturing means to protrude therethrough when driven by said actuating means and puncture a surface adjacent said housing and cause a flow of liquid from said puncturing surface; d. reagent means, having a variable color responsive to the concentration of a material, supported within said housing; e. liquid conveying means including said first opening in said housing for conveying a liquid substance from said punctured surface to said reagent means; and, f. aperture means through said housing for providing access for reading said reagent means for change of color by said system thereby indicating a diagnostic condition.
Claim 25
Dependent Claim
205 words
A disposable diagnostic lancet reagent unit for operating in engagement and use with a medical diagnostic system of a type having actuation means for driving of a puncturing means, connection means for operatively receiving said reagent unit on said system and means in said system for reading a color change on the reagent means, said disposable diagnostic lancet reagent unit comprising: a. a housing including opposing finger gripping taps and a bottom plate; b. means on said system housing for operatively connecting said reagent unit to said system; c. puncturing means supported within said housing and a first opening in a base of said housing for allowing said puncturing means to protrude therethrough when driven by said actuating means and puncture a surface adjacent said housing and cause a flow of liquid from said puncturing surface; d. reagent means, having a variable color responsive to the concentration of a material, supported within said housing; e. liquid conveying means including said first opening in said housing for conveying a liquid substance from said punctured surface to said reagent means; and, f. aperture means through said housing for providing access for reading said reagent means for change of color by said system thereby indicating a diagnostic condition.
Claim 26
Dependent Claim
20 words
The unit of claim 22 wherein said liquid conveying means includes wicking means between said first opening and said aperture.
Claim 27
Dependent Claim
20 words
The unit of claim 22 wherein said liquid conveying means includes filter means between said reagent and said wicking means.
Claim 28
Dependent Claim
21 words
The unit of claim 22 including a second opening in said housing and a lot/lot calibration positioned about said second opening.
Claim 29
Dependent Claim
20 words
The unit of claim 22 including a sterility barrier means adhesively mounted on said bottom plate of said housing member.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-11-29 | 1992-05-30 | 1992-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-11-29 | 1996-05-30 | 1996-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-11-29 | 2000-05-30 | 2000-11-29 | $7700.00 | Window Closed / Lapsed |