US3827286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for blood sedimentation rate estimation
Assignee: Gelman Sciences Inc
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Filing: 1972-07-21
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Granted: 1974-08-06
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Expires: 1992-07-21
Abstract
Abstract A device for use in determining the sedimentation rate of blood samples having a stand, a rack removably mounted on the stand and adapted to retain a plurality of specimen holders for blood samples, and a manifold with a plurality of pipette holders adapted to each receive a pipette and establish through a common manifold communication of the pipettes with an apparatus for drawing a vacuum. The manifold can be carried by the stand in one position with the free end of the pipettes above the specimen holders and in a second position in which the free end of each pipette is lowered into its associated specimen holder.
Inventors
- 👤 K Bond
- 👤 R Munro
- 👤 R Hayler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:34
CPC Classifications
G; G01; G01N; G01N15/00; G01N15/04; G01N15/05
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
280 words
A device for use in the determination of sedimentation rates of blood samples comprising a base, a rack for retaining a plurality of sample holders for blood samples in a generally circular configuration, said rack being adapted to be removably carried by said base, a pipette carrier with a manifold having a plurality of pipette holders arranged in a generally circular configuration and each adapted to seal an inserted pipette therein with the central bore of the pipette in communication with a manifold chamber in said manifold, support means on said base for removably suspending said pipette carrier including said manifold over said rack when carried by said base with each of said pipette holders positioned to overlie a corresponding sample holder retained in said rack when said rack is carried by said base, retention means operably associated with said pipette carrier and said support means for releasably retaining said pipette carrier including said manifold when suspended by said support means in a first position wherein the free ends of pipettes received in said pipette holders extend into sample holders received in said rack and in a second position spaced from said first position wherein the free ends of the pipettes do not extend into the sample holders received in said rack, said pipette carrier when in said second position being free to rotate with respect to said base on an axis generally parallel with the pipettes received in said holders and concentric with said generally circular configuration of said pipette holders, and an apparatus for drawing a vacuum operably coupled with said manifold chamber and adapted to create a partial vacuum on the pipettes received in said pipette holders.
Claim 2
Independent Claim
280 words
A device for use in the determination of sedimentation rates of blood samples comprising a base, a rack for retaining a plurality of sample holders for blood samples in a generally circular configuration, said rack being adapted to be removably carried by said base, a pipette carrier with a manifold having a plurality of pipette holders arranged in a generally circular configuration and each adapted to seal an inserted pipette therein with the central bore of the pipette in communication with a manifold chamber in said manifold, support means on said base for removably suspending said pipette carrier including said manifold over said rack when carried by said base with each of said pipette holders positioned to overlie a corresponding sample holder retained in said rack when said rack is carried by said base, retention means operably associated with said pipette carrier and said support means for releasably retaining said pipette carrier including said manifold when suspended by said support means in a first position wherein the free ends of pipettes received in said pipette holders extend into sample holders received in said rack and in a second position spaced from said first position wherein the free ends of the pipettes do not extend into the sample holders received in said rack, said pipette carrier when in said second position being free to rotate with respect to said base on an axis generally parallel with the pipettes received in said holders and concentric with said generally circular configuration of said pipette holders, and an apparatus for drawing a vacuum operably coupled with said manifold chamber and adapted to create a partial vacuum on the pipettes received in said pipette holders.
Claim 3
Dependent Claim
48 words
The device of claim 1 which also comprises means for aligning each of the pipettes in said pipette holders with a corresponding sample holder receivEd in said rack when said pipette carrier is moved from said second position and supported by said support means in said first position.
Claim 4
Dependent Claim
37 words
The device of claim 1 wherein said support means comprises a spindle extending generally vertically above said base and said pipette carrier also comprises a hollow cylinder fixedly connected thereto and adapted to telescope over said spindle.
Claim 5
Dependent Claim
18 words
The device of claim 1 wherein said apparatus for drawing a vacuum is carried by said pipette carrier.
Claim 6
Dependent Claim
23 words
The device of claim 4 wherein said apparatus for drawing a vacuum comprises a syringe adapted to be coupled with said manifold chamber.
Claim 7
Dependent Claim
31 words
The device of claim 3 wherein said apparatus for drawing a vacuum comprises a syringe adapted to be coupled with said manifold chamber, said syringe being carried by said pipette carrier.
Claim 8
Dependent Claim
84 words
The device of claim 3 wherein said manifold is fixedly carried adjacent one end of said hollow cylinder and said pipette carrier also comprises a locator plate extending generally radially of said hollow cylinder and being fixedly connected thereto adjacent the other end thereof, said locator plate having a plurality of holes therethrough with each hole being generally coaxial with one of said pipette holders of said manifold to slidably receive and position a pipette retained and sealed in one of said pipette holders.
Claim 9
Dependent Claim
33 words
The device of claim 1 wherein each of said pipette holders is in fluid communication with a common manifold chamber and each said pipette holder releasably engages and frictionally retains a pipette therein.
Claim 10
Independent Claim
256 words
A device for use in the determination of sedimentation rates of blood samples comprising a base, a spindle carried by said base and extending generally vertically above said base, a rack for retaining a plurality of sample holders for blood samples in a generally circular configuration generally concentric with said spindle when said rack is received on said base, said rack being adapted to be removably carried by said base, a pipette carrier removably carried by said spindle above said rack when carried by said base, a plurality of pipette holders on said pipette carrier arranged to dispose a plurality of pipettes in a generally circular configuration generally concentric with said spindle when said pipette carrier is received thereon with the pipettes extending generally parallel to each other and said spindle and being generally aligned with said sample holders when said rack is received on said spindle, a manifold on said pipette carrier adapted to be connected at the upper end of the pipettes received in said holders for communication with the central bore of the pipettes, retention means operably associated with said pipette carrier and said spindle for releasably retaining said pipette carrier including said manifold in a first position on said spindle wherein the free lower ends of pipettes received in said pipette carrier extend into sample holders received in said rack and in a second position on said spindle spaced from said first position wherein the free lower ends of the pipettes do not extend into the sample holders received in said rack.
Claim 11
Independent Claim
256 words
A device for use in the determination of sedimentation rates of blood samples comprising a base, a spindle carried by said base and extending generally vertically above said base, a rack for retaining a plurality of sample holders for blood samples in a generally circular configuration generally concentric with said spindle when said rack is received on said base, said rack being adapted to be removably carried by said base, a pipette carrier removably carried by said spindle above said rack when carried by said base, a plurality of pipette holders on said pipette carrier arranged to dispose a plurality of pipettes in a generally circular configuration generally concentric with said spindle when said pipette carrier is received thereon with the pipettes extending generally parallel to each other and said spindle and being generally aligned with said sample holders when said rack is received on said spindle, a manifold on said pipette carrier adapted to be connected at the upper end of the pipettes received in said holders for communication with the central bore of the pipettes, retention means operably associated with said pipette carrier and said spindle for releasably retaining said pipette carrier including said manifold in a first position on said spindle wherein the free lower ends of pipettes received in said pipette carrier extend into sample holders received in said rack and in a second position on said spindle spaced from said first position wherein the free lower ends of the pipettes do not extend into the sample holders received in said rack.
Claim 12
Dependent Claim
48 words
The device of claim 9 which also comprises means for aligning each of the pipettes received in a pipette holder with a corresponding sample holder received in said rack when said pipette carrier is moved from said second position and supported by said spindle in said first position.
Claim 13
Dependent Claim
49 words
The device of claim 9 wherein said pipette carrier when in said second position is free to rotate on said spindle with respect to said base on an axis generally parallel with the pipettes received in said holders and generally concentric with the generally circular configuration of the pipettes.
Claim 14
Dependent Claim
24 words
The device of claim 9 wherein said pipette carrier also comprises a hollow cylinder fixedly connected thereto and adapted to telescope over said spindle.
Claim 15
Dependent Claim
26 words
The device of claim 9 which also comprises an apparatus for drawing a vacuum which is connected with said manifOld and carried by said pipette carrier.
Claim 16
Dependent Claim
15 words
The device of claim 13 wherein said apparatus for drawing a vacuum comprises a syringe.
Claim 17
Dependent Claim
79 words
The device of claim 12 wherein said manifold is fixedly carried adjacent the upper end of said hollow cylinder and said pipette carrier also comprises a locator plate extending generally radially of said hollow cylinder and being fixedly connected thereto adjacent the lower end thereof, said locator plate having a plurality of holes therethrough each adapted to slidably receive a pipette adjacent the lower end thereof and position the lower ends of the pipettes in a generally circular configuration.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-05 | 1978-02-04 | 1978-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-05 | 1982-02-04 | 1982-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-05 | 1986-02-04 | 1986-08-06 | $7700.00 | Window Closed / Lapsed |