US4932948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Male external catheter and antimicrobial insert therefor
Assignee: Hollister Inc
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Filing: 1988-03-28
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Granted: 1990-06-12
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Expires: 2008-03-28
Abstract
Abstract A male external catheter having an insert of flexible plastic secured within the funnel-shaped end portion of the catheter. The insert reinforces the catheter's end portion and carries an antimicrobial agent to reduce risks of urinary tract infection for the wearer.
Inventors
- 👤 Mary E. Kernes
- 👤 Emil Stempel
- 👤 Kenneth E. Riedel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:11
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/44; A61F5/451; A61F5/453
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
153 words
A male external catheter formed of elastomeric material and including a drainage tube portion and an integral funnel portion communicating with said drainage tube portion; and means for securing said catheter to the penis of a wearer; wherein the improvement comprises a flexible plastic insert disposed within said funnel portion; said insert being cup-shaped with an enlarged opening at one end and a reduced opening at its opposite end; an antimicrobial agent provided by said insert for at least inhibiting bacterial growth in urine contacting said insert within said catheter; and retaining means for retaining said insert within said funnel portion; said retaining means comprising a collar portion of said insert extending into and frictionally engaging the interior of said drainage tube portion; said drainage tube portion including a bulbous enlargement; said collar portion having an integral annular flange flaring outwardly within said enlargement for holding said insert in placed within said catheter.
Claim 2
Dependent Claim
153 words
A male external catheter formed of elastomeric material and including a drainage tube portion and an integral funnel portion communicating with said drainage tube portion; and means for securing said catheter to the penis of a wearer; wherein the improvement comprises a flexible plastic insert disposed within said funnel portion; said insert being cup-shaped with an enlarged opening at one end and a reduced opening at its opposite end; an antimicrobial agent provided by said insert for at least inhibiting bacterial growth in urine contacting said insert within said catheter; and retaining means for retaining said insert within said funnel portion; said retaining means comprising a collar portion of said insert extending into and frictionally engaging the interior of said drainage tube portion; said drainage tube portion including a bulbous enlargement; said collar portion having an integral annular flange flaring outwardly within said enlargement for holding said insert in placed within said catheter.
Claim 3
Dependent Claim
13 words
The catheter of claim 1 in which said insert is formed of polyethylene.
Claim 4
Dependent Claim
16 words
The catheter of claim 1 in which said insert is formed of ethylene vinyl acetate copolymer.
Claim 5
Dependent Claim
189 words
A male external catheter formed of elastomeric material and including a drainage tube portion and an integral funnel portion communicating with said drainage tube portion; and means for securing said catheter to the penis of a wearer; wherein the improvement comprises a flexible plastic insert disposed within said funnel portion; said insert being cup-shaped with an enlarged opening at one end and a reduced opening at its opposite end; an antimicrobial agent provided by said insert for at least inhibiting bacterial growth in urine contacting said insert within said catheter; and retaining means for retaining said insert within said funnel portion; said means for securing said catheter to a wearer comprising a generally cylindrical body portion of said catheter integral with said funnel portion and extending from one end of said funnel portion; said catheter also including a tapered inner sleeve within said cylindrical body portion; said sleeve tapering towards said insert and terminating at a spaced distance axially from said insert; said sleeve being stretched tightly over the glans with said insert spaced axially in front of the urethral meatus when said catheter is worn by a user.
Claim 6
Dependent Claim
189 words
A male external catheter formed of elastomeric material and including a drainage tube portion and an integral funnel portion communicating with said drainage tube portion; and means for securing said catheter to the penis of a wearer; wherein the improvement comprises a flexible plastic insert disposed within said funnel portion; said insert being cup-shaped with an enlarged opening at one end and a reduced opening at its opposite end; an antimicrobial agent provided by said insert for at least inhibiting bacterial growth in urine contacting said insert within said catheter; and retaining means for retaining said insert within said funnel portion; said means for securing said catheter to a wearer comprising a generally cylindrical body portion of said catheter integral with said funnel portion and extending from one end of said funnel portion; said catheter also including a tapered inner sleeve within said cylindrical body portion; said sleeve tapering towards said insert and terminating at a spaced distance axially from said insert; said sleeve being stretched tightly over the glans with said insert spaced axially in front of the urethral meatus when said catheter is worn by a user.
Claim 7
Dependent Claim
29 words
The catheter of claim 4 in which said retaining means comprises a collar portion of said insert extending into and frictionally engaging the interior of said drainage tube portion.
Claim 8
Dependent Claim
28 words
The catheter of claim 5 in which said collar portion has an outside diameter larger than the inside diameter of said drainage tube portion in an unstretched state.
Claim 9
Dependent Claim
15 words
The catheter of claim 6 in which said collar portion is generally cylindrical in shape.
Claim 10
Dependent Claim
13 words
The catheter of claim 4 in which said insert is formed of polyethylene.
Claim 11
Dependent Claim
16 words
The catheter of claim 4 in which said insert is formed of ethylene vinyl acetate copolymer.
References Cited (Backward Citations)
US2789560A
Cited
US2838045A
Cited
US3398745A
Cited
US3848603A
Cited
US4054139A
Cited
US4113851A
Cited
US4340043A
Cited
US4310509A
Cited
US4626250A
Cited
US4475910A
Cited
US4601716A
Cited
US4640688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-06-11 | 1993-12-11 | 1994-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-06-11 | 1997-12-11 | 1998-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-06-11 | 2001-12-11 | 2002-06-12 | $7700.00 | Window Closed / Lapsed |