CA2490171A1 - Subcutaneous self attaching injection port with integral fasteners - Google Patents

Subcutaneous self attaching injection port with integral fasteners Download PDF

Info

Publication number
CA2490171A1
CA2490171A1 CA002490171A CA2490171A CA2490171A1 CA 2490171 A1 CA2490171 A1 CA 2490171A1 CA 002490171 A CA002490171 A CA 002490171A CA 2490171 A CA2490171 A CA 2490171A CA 2490171 A1 CA2490171 A1 CA 2490171A1
Authority
CA
Canada
Prior art keywords
housing
port
flange
fastener
tissue
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002490171A
Other languages
French (fr)
Other versions
CA2490171C (en
Inventor
Sean P. Conlon
Ronald John Kolata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ethicon Endo Surgery Inc
Original Assignee
Ethicon Endo Surgery Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ethicon Endo Surgery Inc filed Critical Ethicon Endo Surgery Inc
Publication of CA2490171A1 publication Critical patent/CA2490171A1/en
Application granted granted Critical
Publication of CA2490171C publication Critical patent/CA2490171C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/02—Access sites
    • A61M39/0208—Subcutaneous access sites for injecting or removing fluids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/0003—Apparatus for the treatment of obesity; Anti-eating devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/02—Access sites
    • A61M39/0208—Subcutaneous access sites for injecting or removing fluids
    • A61M2039/0223—Subcutaneous access sites for injecting or removing fluids having means for anchoring the subcutaneous access site

Abstract

A self attaching injection port has integral fasteners extending from the housing, fixed relative thereto. The fasteners include one way fasteners, such as formed by a plurality of axially spaced concentrically aligned frustroconical annular flanges. The injection port is self attaching upon the surgeon applying a distal force to the injection port housing, causing the fasteners to penetrate the tissue, engaging the tissue to hold the injection port in place.

Claims (24)

1. An injection port for injecting fluids into a body, said port comprising:
a. a housing for placement beneath the skin of the body, said housing including means for receiving a needle;
b. an attachment mechanism configured to engage tissue surrounding said housing so as to retain said housing in place, said mechanism being integrally attached to and fixed relative to said housing.
2. The port of claim 1, wherein said attachment mechanism is configured such that by applying a distal force to said housing, said attachment mechanism will engage said tissue so as to retain said housing.
3. The port of claim 1, wherein said attachment mechanism includes at least one fastener extending distally from said housing.
4. The port of claim 3, where in said at least one fastener comprises a respective distal tip which is configured to penetrate said tissue.
5. The port of claim 3, wherein said at least one fastener comprises at least one outwardly extending flange spaced from said housing.
6. The port of claim 5, wherein said at least one flange comprises a plurality of spaced apart flanges.
7. The port of claim 5 wherein said at least one flange has a frustroconical shape.
8. The port of claim 3 wherein said at least one flange is discontinuous.
9. The port of claim 3, wherein said at least one fastener comprises at least one outwardly extending finger spaced from said housing.
10. The port of claim 9, wherein said at least one forger comprises a plurality of spaced apart fingers.
11. The port of claim 3, further comprising a respective opening for each of said at least one fastener, said at least one fastener being disposed through said hole.
12. The port of claim 11, wherein said housing includes an annular flange extending proximal one end of said housing, said respective opening being formed in said annular flange.
13. A method of deploying an injection port for injecting fluids into a body, said method comprising the steps of:
a. providing an injection port comprising:
i. a housing for placement beneath the skin of the body, said housing including means for receiving a needle;
ii. an attachment mechanism configured to engage tissue surrounding said housing so as to retain said housing in place, said mechanism being integrally attached to and fixed relative to said housing;
b. locating said attachment mechanism adjacent said tissue; and c. penetrating the tissue with said attachment mechanism by applying a distal force to said housing.
14. The method of claim 13, wherein said attachment mechanism includes at least one fastener extending distally from said housing.
15. The method of port of claim 14, where in said at least one fastener comprises a respective distal tip which is configured to penetrate said tissue.
16. The method of claim 14, wherein said at least one fastener comprises at least one outwardly extending flange spaced from said housing.
17. The method of claim 16, wherein said at least one flange comprises a plurality of spaced apart flanges.
18. The method of claim 16 wherein said at least one flange has a frustroconical shape.
19. The method of claim 14, wherein said at least one fastener comprises at least one outwardly extending forger spaced from said housing.
20. The method of claim 14, wherein said housing includes an annular flange extending proximal one end of said housing, said annular flange comprising a respective opening for each of said at least one fastener, each of said at least one fastener being disposed through said hole.
21. A method of deploying an injection port for injecting fluids into a body, said method comprising the steps of:
a. providing an injection port comprising:
i. a housing for placement beneath the skin of the body, said housing including means for receiving a needle;
ii. said housing comprising a base having a first surface and a second surface, said base including at least one opening extending through said base from said first surface to said second surface;
b. providing at one fastener comprising:
i. a shaft having a first and second end;
ii. at least one flange extending outwardly from said shaft, said at least one flange being spaced from said first end;
c. locating said second surface adjacent tissue of the body; and c. securing said injection port adjacent said tissue by inserting said at least one fastener through said at least one opening so as to engage the tissue disposed adjacent said second surface with said at least one flange.
22. The method of claim 21, wherein said at least one flange comprises a plurality of flanges spaced apart from each other axially along said shaft.
23. The method of claim 22, wherein said plurality of flanges comprise frustroconical annular flanges.
24. The method of claim 21, wherein said at least one flange has a frustroconical shape.
CA2490171A 2003-12-19 2004-12-13 Subcutaneous self attaching injection port with integral fasteners Expired - Fee Related CA2490171C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/741,868 US7374557B2 (en) 2003-06-16 2003-12-19 Subcutaneous self attaching injection port with integral fasteners
US10/741,868 2003-12-19

Publications (2)

Publication Number Publication Date
CA2490171A1 true CA2490171A1 (en) 2005-06-19
CA2490171C CA2490171C (en) 2012-12-11

Family

ID=34552814

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2490171A Expired - Fee Related CA2490171C (en) 2003-12-19 2004-12-13 Subcutaneous self attaching injection port with integral fasteners

Country Status (9)

Country Link
US (1) US7374557B2 (en)
EP (1) EP1547643B1 (en)
JP (1) JP4828119B2 (en)
CN (1) CN100558300C (en)
AT (1) ATE433777T1 (en)
AU (1) AU2004235666A1 (en)
BR (1) BRPI0405617A (en)
CA (1) CA2490171C (en)
DE (1) DE602004021550D1 (en)

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AU2004235666A1 (en) 2005-07-07
US20040254536A1 (en) 2004-12-16
US7374557B2 (en) 2008-05-20
JP2005177498A (en) 2005-07-07
DE602004021550D1 (en) 2009-07-30
EP1547643A1 (en) 2005-06-29
CN100558300C (en) 2009-11-11
ATE433777T1 (en) 2009-07-15
BRPI0405617A (en) 2006-04-04
EP1547643B1 (en) 2009-06-17
CN1644172A (en) 2005-07-27
CA2490171C (en) 2012-12-11
JP4828119B2 (en) 2011-11-30

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