Patent US3174890A successfully refreshed from Google Patents.
US3174890A
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Methods of preparing surgical cannula
Assignee: Baxter International Inc
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Filing: 1961-07-10
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Granted: 1965-03-23
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Expires: 1981-07-10
Abstract
No abstract record available.
Inventors
- 👤 Leonard F Goyke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:29
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/0009; A61M25/0014; A61M5/00; A61M5/178; A61M5/31; A61M5/32; B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/32; B29C65/34; B29C65/36; B29C65/3604; B29C65/3656; B29C65/3672; B29C65/3676; B29C65/368; B29C65/44; B29C65/46; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/50; B29C66/51; B29C66/52; B29C66/522; B29C66/5229; B29C66/53; B29C66/534; B29C66/5344; B29C66/70; B29C66/72; B29C66/723; B29C66/7232; B29C66/72321; B29C65/3668; B29C66/71; B29C66/74; B29C66/742; B29K; B29K2705/00; B29L; B29L2031/00; B29L2031/753; B29L2031/7544; Y; Y10; Y10S; Y10S428/00; Y10S428/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
THE METHOD OF PREPARING SURGICAL CANNULA WHICH COMPRISES POSITIONING A CLOSEFITTING OVERRIDING PLASTIC HUB LENGTH OF POINTED HOLLOW CANNULA TUBING, PLACING THE COMBINATION OF THE HUB AND TUBING AXIALLY ABOUT A METAL PIN OF COMPARATIVELY HIGH MAGNETIC PERMEABILITY, INDUCTIVELY HEATING SAID COMBINATION SO AS TO MELT THE INNER SURFACE OF THE PLASTIC HUB IN IMMEDIATE CONTACT WITH THE METAL TUBING AND THEN ALLOWING SAID COMBINATION OF TUBING AND HUB TO COOL THUS HARDENING THE PLASTIC AND BINDING THE CANNULA TO THE HUB.
Claim 2
Independent Claim
82 words
THE METHOD OF PREPARING SURGICAL CANNULA WHICH COMPRISES POSITIONING A CLOSEFITTING OVERRIDING PLASTIC HUB LENGTH OF POINTED HOLLOW CANNULA TUBING, PLACING THE COMBINATION OF THE HUB AND TUBING AXIALLY ABOUT A METAL PIN OF COMPARATIVELY HIGH MAGNETIC PERMEABILITY, INDUCTIVELY HEATING SAID COMBINATION SO AS TO MELT THE INNER SURFACE OF THE PLASTIC HUB IN IMMEDIATE CONTACT WITH THE METAL TUBING AND THEN ALLOWING SAID COMBINATION OF TUBING AND HUB TO COOL THUS HARDENING THE PLASTIC AND BINDING THE CANNULA TO THE HUB.
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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |