EP0173075A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Peristaltic pump
Assignee: Abbott Laboratories
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Filing: 1985-07-25
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Granted: —
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Expires: 2005-07-25
Abstract
Abstract A pressure plate for a peristaltic pump utilizing flexible tubing has an arcuate surface and a pivot mount. The arcuate surface is retained in operative association with the flexible tubing by a spring bias.
Inventors
- 👤 Edward H. Kidera
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 12:20
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/12; F04B43/1253; F04B43/1284
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
129 words
A pressure plate for use with a rotatable peristaltic pump head that provides fluid flow by the successive and repetitive compression of flexible tubing said pressure plate comprising: a plate member having a arcuate surface, said arcuate surface constructed and arranged to operatively engage the flexible tubing; a pivot member operatively associated with said plate member to position said plate member with respect to the rotatable peristaltic pump head and the flexible tubing; means for resiliently biasing said arcuate surface against the flexible tubing; whereby when said plate member is rotated on said pivot member into a position for operative engagement with the flexible tubing, said means for resiliently biasing said arcuate surface against the flexible tubing will hold said arcuate surface in operative engagement with the flexible tubing.
Claim 2
Dependent Claim
129 words
A pressure plate for use with a rotatable peristaltic pump head that provides fluid flow by the successive and repetitive compression of flexible tubing said pressure plate comprising: a plate member having a arcuate surface, said arcuate surface constructed and arranged to operatively engage the flexible tubing; a pivot member operatively associated with said plate member to position said plate member with respect to the rotatable peristaltic pump head and the flexible tubing; means for resiliently biasing said arcuate surface against the flexible tubing; whereby when said plate member is rotated on said pivot member into a position for operative engagement with the flexible tubing, said means for resiliently biasing said arcuate surface against the flexible tubing will hold said arcuate surface in operative engagement with the flexible tubing.
Claim 3
Dependent Claim
52 words
The pressure plate as defined in Claim 1 wherein said pivot point is positioned so that the plate member may be selectively rotated away from the rotatable peristaltic pump head to an open position to allow for the placement of the flexible tubing into operative engagement with the rotatable peristaltic pump head.
Claim 4
Dependent Claim
20 words
The pressure plate as defined in Claim 1 further including means to retain said plate member in an open position.
Claim 5
Dependent Claim
26 words
4 . Tne pressure plate as defined in Claim 1 further including means to maintain the flexible tubing in contact with the rotatable peristaltic pump head.
Claim 6
Dependent Claim
126 words
A peristaltic pump comprising: a length of flexible tubing; a rotatable pump head having a plurality of pressure wheels constructed and arranged for repetitive and successive compression of said flexible tubing; a plate member having an arcuate surface against which flexible tubing may be compressed by said pressure wheels; a pivot member operatively associated with said plate member to position said plate member with respect to said rotatable pump head and said flexible tubing; means for resiliently biasing said arcuate surface against said compressible tubing; whereby when said plate member is rotated on said pivot point into a position for operative engagement with said flexible tubing said means for resiliently biasing said pump head will hold said arcuate surface in operative engagement with said flexible tubing.
Claim 7
Dependent Claim
126 words
A peristaltic pump comprising: a length of flexible tubing; a rotatable pump head having a plurality of pressure wheels constructed and arranged for repetitive and successive compression of said flexible tubing; a plate member having an arcuate surface against which flexible tubing may be compressed by said pressure wheels; a pivot member operatively associated with said plate member to position said plate member with respect to said rotatable pump head and said flexible tubing; means for resiliently biasing said arcuate surface against said compressible tubing; whereby when said plate member is rotated on said pivot point into a position for operative engagement with said flexible tubing said means for resiliently biasing said pump head will hold said arcuate surface in operative engagement with said flexible tubing.
Claim 8
Dependent Claim
52 words
The pressure plate as defined in Claim 5 wherein said pivot point is positioned so that the plate member may be selectively rotated away from said rotatable peristaltic pump head to an open position to allow for the placement of the flexible tubing into operative engagement with the rotatable peristaltic pump head.
Claim 9
Dependent Claim
17 words
The pressure plate as defined in Claim 6 further including means to selectively rotate the pressure plate.
Claim 10
Dependent Claim
24 words
The pressure plate as defined in Claim 7 further including means to retain said plate member in an open position is a mechanical spring.
Claim 11
Dependent Claim
20 words
The pressure plate as defined in Claim 8 further including electrical means to indicate the position of said pressure plate.
Claim 12
Dependent Claim
23 words
The pressure plate as defined in Claim 5 further including means to retain said flexible tubing in contact with said rotatable pump head.
References Cited (Backward Citations)
No citation records indexed.
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