Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1986-09-18
1988-08-09
Rosenbaum, C. Fred
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604283, 128DIG26, A61M 500
Patent
active
047625171
ABSTRACT:
A subcutaneously-implanted infusion device that has a portal defining an inner reservoir chamber that allows communication between a septum and an end of a catheter tube connected to the portal. The septum is mounted in a compressed state within a main housing of the portal by a pressure-insert element that is formed against the septum by an arbor press. The septum is then held in its compressed state via a retaining ring cooperating with an annular groove provided in the interior surface of the main housing directly adjacent the lower end of the portal. The device also includes a lower suture-attaching cuff having a skirt portion, with a low profile angle, which is provided with a plurality of separate, spaced-apart, suture-reinforcing tabs. The pressure-insert element is provided with a through-hole for the passage of a catheter with an enlarged abutment stop at one end for preventing passage of the catheter through the through-hole. Medical glue to used to bond the end of the catheter to the interior surface of the pressure-insert element. A protective metal sleeve is mounted about the portion of the catheter directly adjacent the outer circumference of the pressure-insert element for protecting against accidental puncture of the portion of the catheter which extends from the through-hole.
REFERENCES:
patent: 4190040 (1980-02-01), Schulte
patent: 4405305 (1983-09-01), Stephen et al.
patent: 4464178 (1984-08-01), Dalton
patent: 4569675 (1986-02-01), Prosl et al.
"PORT-A-CATH--Guidelines for Implantation," by Pharmacia Inc. .COPYRGT. 1984.
"PORT-A-CATH--Use and Maintenance Procedures," by Pharmacia Inc. .COPYRGT. 1984.
Cadieux Timothy P.
McIntyre Jeffrey A.
Benn Marvin
Gerstein Milton S.
Healthcare Technologies, Inc.
Kartchner Gene B.
Rosenbaum C. Fred
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