Patent US4978335A successfully refreshed from Google Patents.
US4978335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infusion pump with bar code input to computer
Assignee: Smiths Medical ASD Inc
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Filing: 1989-09-29
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Granted: 1990-12-18
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Expires: 2009-09-29
Abstract
Abstract An infusion pump has a housing for receipt of a syringe, a motor to drive the plunger of the syringe to expel a medicant within the syringe, a computer for controlling the motor and a place to mount the syringe. A bar code reader is mounted adjacent the syringe and the syringe has a pharmacist-applied bar code that programs the computer with the data for the dispensing of the medicant.
Inventors
- 👤 William D. Arthur, III
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:38
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/142; A61M5/145; A61M5/1452; A61M5/1456; A61M2205/00; A61M2205/60; A61M2205/6063; A61M2205/6072; Y; Y10; Y10S; Y10S128/00; Y10S128/01
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
157 words
An infusion pump comprising: a housing, mounting means on said housing for a syringe having a plunger, means including a motor connected to said plunger for driving said plunger at a preselected rate, a computer connected to said motor for controlling the operation of said plunger, said computer being capable of receiving data relating to a patient's dosage requirements and converting that data to an output that controls said motor to drive said plunger in accordance with received data, a reader for machine-readable computer data connected to said computer, a syringe having a plunger and having machine-readable data mounted on the syringe and containing data relating to a patient's dosage requirement, said reader, upon reading said data, controlling the operation of said motor and hence the dispensing of medicant in said syringe, said syringe being mounted by said mounting means to enable said reader to read said data and program said computer for a particular patient's requirements.
Claim 2
Dependent Claim
157 words
An infusion pump comprising: a housing, mounting means on said housing for a syringe having a plunger, means including a motor connected to said plunger for driving said plunger at a preselected rate, a computer connected to said motor for controlling the operation of said plunger, said computer being capable of receiving data relating to a patient's dosage requirements and converting that data to an output that controls said motor to drive said plunger in accordance with received data, a reader for machine-readable computer data connected to said computer, a syringe having a plunger and having machine-readable data mounted on the syringe and containing data relating to a patient's dosage requirement, said reader, upon reading said data, controlling the operation of said motor and hence the dispensing of medicant in said syringe, said syringe being mounted by said mounting means to enable said reader to read said data and program said computer for a particular patient's requirements.
Claim 3
Dependent Claim
28 words
Apparatus as in claim 1 in which said reader is a bar code reader and said data being in the form of a bar code on said syringe.
References Cited (Backward Citations)
US4573994A
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US4624658A
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US4652260A
Cited
US4838857A
Cited
US4767406A
Cited
US4853521A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-12-17 | 1994-06-18 | 1994-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-12-17 | 1998-06-18 | 1998-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-12-17 | 2002-06-18 | 2002-12-18 | $7700.00 | Window Closed / Lapsed |