US4620846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for introducing fluid into and removing fluid from a living subject
Assignee: Uresil Corp
•
Filing: 1984-01-23
•
Granted: 1986-11-04
•
Expires: 2004-01-23
Abstract
Abstract Manifolds are disclosed for introducing fluid into the human body and removing fluid therefrom. The fluid removing manifolds include a plurality of separately valved containers sealed to the manifold. Each container is filled in series via the manifold and the associated valve is closed before the container is removed from the manifold for disposal. Thus, a closed drainage system is provided. The fluid introducing manifolds include a plurality of separately valved input ports. Preferably, each port is used only once to reduce contamination of the manifold and associated infection. In each case, the port is kept closed until it is coupled to a source of fluid, and it is reclosed before the source of fluid is disconnected from the port. In this way, contamination is further reduced. Both the multiple input port feature and the multiple container feature of the invention are incorporated in manifolds for use with peritoneal dialysis.
Inventors
- 👤 Edward M. Goldberg
- 👤 Seymour Bazell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:16
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/14; A61M1/28; A61F; A61F5/00; A61F5/44; A61M1/16; A61M1/1654; A61M1/1656; A61M1/1668; A61M1/285; A61M2209/00; A61M2209/08; A61M2209/088
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
137 words
A device for introducing dialysate into, and draining dialysate from, the peritoneal cavity of a human subject, said device comprising: a first manifold; means for transporting dialysate out of the first manifold for introduction into a human peritoneal cavity; means for introducing dialysate into the first manifold, said introducing means including a plurality of separately valved input ports; a second manifold, isolated from fluid communication with the first manifold; means for transporting dialysate from the peritoneal cavity into the second manifold; means for receiving dialysate from the second manifold, said receiving means including a plurality of containers individually coupled to the second manifold by means of separately valved conduits; and said first and second manifolds being provided in a longitudinally divided, elongated, flexible tubular member that is sized to fit around the abdomen of a human subject.
Claim 2
Independent Claim
137 words
A device for introducing dialysate into, and draining dialysate from, the peritoneal cavity of a human subject, said device comprising: a first manifold; means for transporting dialysate out of the first manifold for introduction into a human peritoneal cavity; means for introducing dialysate into the first manifold, said introducing means including a plurality of separately valved input ports; a second manifold, isolated from fluid communication with the first manifold; means for transporting dialysate from the peritoneal cavity into the second manifold; means for receiving dialysate from the second manifold, said receiving means including a plurality of containers individually coupled to the second manifold by means of separately valved conduits; and said first and second manifolds being provided in a longitudinally divided, elongated, flexible tubular member that is sized to fit around the abdomen of a human subject.
Claim 3
Dependent Claim
17 words
The device of claim 1 wherein the containers are collapsible for compact storage adjacent the second manifold.
Claim 4
Independent Claim
195 words
A method for introducing dialysate into, and draining dialysate from, the peritoneal cavity of a human subject, said method comprising the steps of: (a) coupling a dialysis manifold to the peritoneal cavity of a human subject such that the manifold is in fluid communication with the peritoneal cavity, said manifold including a plurality of input/output ports in fluid communication with the manifold, each of said ports including a valve operative to selectively isolate the associated port from the manifold; (b) coupling a container of dialysate to a preselected port; (c) opening the valve associated with the preselected port to permit dialysate to flow into the manifold via the preselected port, and from the manifold into the peritoneal cavity; (d) maintaining the container connected to the preselected port while the dialysate is in the peritoneal cavity; (e) draining the dialysate from the peritoneal cavity back into the container via the manifold and the preselected port; (f) closing the valve associated with the preselected port prior to removal of the container from the preselected port; and (g) repeating steps (b) through (f) with another container of dialysate and another preselected port which has not previously been used.
Claim 5
Independent Claim
195 words
A method for introducing dialysate into, and draining dialysate from, the peritoneal cavity of a human subject, said method comprising the steps of: (a) coupling a dialysis manifold to the peritoneal cavity of a human subject such that the manifold is in fluid communication with the peritoneal cavity, said manifold including a plurality of input/output ports in fluid communication with the manifold, each of said ports including a valve operative to selectively isolate the associated port from the manifold; (b) coupling a container of dialysate to a preselected port; (c) opening the valve associated with the preselected port to permit dialysate to flow into the manifold via the preselected port, and from the manifold into the peritoneal cavity; (d) maintaining the container connected to the preselected port while the dialysate is in the peritoneal cavity; (e) draining the dialysate from the peritoneal cavity back into the container via the manifold and the preselected port; (f) closing the valve associated with the preselected port prior to removal of the container from the preselected port; and (g) repeating steps (b) through (f) with another container of dialysate and another preselected port which has not previously been used.
Claim 6
Independent Claim
256 words
A method for introducing dialysate into, and draining dialysate from, the peritoneal cavity of a human subject, said method comprising the steps of: (a) coupling a dialysis manifold to the peritoneal cavity of a human subject such that the manifold is in fluid communication with the peritoneal cavity, said manifold including a plurality of input ports in fluid communication with the manifold, each of said ports including a valve operative to selectively isolate the associated port from the manifold, said manifold also including a plurality of containers in fluid communication with the manifold, each of said containers including a valve operative to selectively isolate the manifold from the associated container; (b) coupling a source of dialysate to a preselected port; (c) opening the valve associated with the preselected port to permit dialysate to flow into the manifold via the preselected port, and from the manifold into the peritoneal cavity; (d) closing the valve associated with the preselected port before removing the source of dialysate therefrom; (e) opening the valve associated with a preselected container and allowing dialysate to drain from the peritoneal cavity into the preselected container via the manifold; (f) closing the valve associated with the preselected container prior to removal of the preselected container from the manifold to substantially prevent contamination of the manifold; (g) removing the preselected container from the manifold while leaving the closed valve associated with the preselected container in place adjacent the manifold; and (h) repeating steps (b) through (g) with another source of dialysate and another, unused input port.
Claim 7
Independent Claim
256 words
A method for introducing dialysate into, and draining dialysate from, the peritoneal cavity of a human subject, said method comprising the steps of: (a) coupling a dialysis manifold to the peritoneal cavity of a human subject such that the manifold is in fluid communication with the peritoneal cavity, said manifold including a plurality of input ports in fluid communication with the manifold, each of said ports including a valve operative to selectively isolate the associated port from the manifold, said manifold also including a plurality of containers in fluid communication with the manifold, each of said containers including a valve operative to selectively isolate the manifold from the associated container; (b) coupling a source of dialysate to a preselected port; (c) opening the valve associated with the preselected port to permit dialysate to flow into the manifold via the preselected port, and from the manifold into the peritoneal cavity; (d) closing the valve associated with the preselected port before removing the source of dialysate therefrom; (e) opening the valve associated with a preselected container and allowing dialysate to drain from the peritoneal cavity into the preselected container via the manifold; (f) closing the valve associated with the preselected container prior to removal of the preselected container from the manifold to substantially prevent contamination of the manifold; (g) removing the preselected container from the manifold while leaving the closed valve associated with the preselected container in place adjacent the manifold; and (h) repeating steps (b) through (g) with another source of dialysate and another, unused input port.
Claim 8
Independent Claim
271 words
A method for introducing dialysate into, and draining dialysate from, the peritoneal cavity of a human subject, said method comprising the steps of: (a) coupling first and second dialysis manifolds to the peritoneal cavity of a human subject such that both manifolds are alternately in fluid communication with the peritoneal cavity, said first manifold including a plurality of input ports in fluid communication with the first manifold, each of said ports including a valve operative to selectively isolate the associated port from the first manifold, said second manifold including a plurality of containers in fluid communication with the second manifold, each of said containers including a valve operative to selectively isolate the second manifold from the associated container; (b) coupling a source of dialysate to a preselected port; (c) opening the valve associated with the preselected port to permit dialysate to flow into the first manifold via the preselected port, and from the first manifold into the peritoneal cavity; (d) closing the valve associated with the preselected port before removing the source of dialysate therefrom; (e) opening the valve associated with a preselected container and allowing dialysate to drain from the peritoneal cavity into the preselected container via the second manifold; (f) closing the valve associated with the preselected container prior to removal of the preselected container from the second manifold to substantially prevent contamination of the second manifold; (g) removing the preselected container from the second manifold while leaving the closed valve associated with the preselected container in place adjacent the second manifold; and (h) repeating steps (b) through (g) with another source of dialysate and another, unused input port.
Claim 9
Independent Claim
271 words
A method for introducing dialysate into, and draining dialysate from, the peritoneal cavity of a human subject, said method comprising the steps of: (a) coupling first and second dialysis manifolds to the peritoneal cavity of a human subject such that both manifolds are alternately in fluid communication with the peritoneal cavity, said first manifold including a plurality of input ports in fluid communication with the first manifold, each of said ports including a valve operative to selectively isolate the associated port from the first manifold, said second manifold including a plurality of containers in fluid communication with the second manifold, each of said containers including a valve operative to selectively isolate the second manifold from the associated container; (b) coupling a source of dialysate to a preselected port; (c) opening the valve associated with the preselected port to permit dialysate to flow into the first manifold via the preselected port, and from the first manifold into the peritoneal cavity; (d) closing the valve associated with the preselected port before removing the source of dialysate therefrom; (e) opening the valve associated with a preselected container and allowing dialysate to drain from the peritoneal cavity into the preselected container via the second manifold; (f) closing the valve associated with the preselected container prior to removal of the preselected container from the second manifold to substantially prevent contamination of the second manifold; (g) removing the preselected container from the second manifold while leaving the closed valve associated with the preselected container in place adjacent the second manifold; and (h) repeating steps (b) through (g) with another source of dialysate and another, unused input port.
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) | 1989-11-03 | 1990-05-05 | 1990-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-11-03 | 1994-05-05 | 1994-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-11-03 | 1998-05-05 | 1998-11-04 | $7700.00 | Window Closed / Lapsed |