CA2430306A1 - Prosthesis fixturing device - Google Patents

Prosthesis fixturing device Download PDF

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Publication number
CA2430306A1
CA2430306A1 CA002430306A CA2430306A CA2430306A1 CA 2430306 A1 CA2430306 A1 CA 2430306A1 CA 002430306 A CA002430306 A CA 002430306A CA 2430306 A CA2430306 A CA 2430306A CA 2430306 A1 CA2430306 A1 CA 2430306A1
Authority
CA
Canada
Prior art keywords
tray
stem
tibia
cement
channels
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
CA002430306A
Other languages
French (fr)
Other versions
CA2430306C (en
Inventor
Michael J. Pappas
Frederick F. Buechel
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.)
Biomedical Engineering Trust Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Priority claimed from CA002160198A external-priority patent/CA2160198C/en
Publication of CA2430306A1 publication Critical patent/CA2430306A1/en
Application granted granted Critical
Publication of CA2430306C publication Critical patent/CA2430306C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

A tibia fixturing device comprises a metal tray formed with annularly spaced recesses in its underside at a depth of at least about 1.5 mm and from which a stem depends for axial insertion into a tibia conical cavity. The stem has a circular cylindrical portion proximal the tray and a conical portion distal the tray. Fins radially extend from the stem cylindrical portion and penetrate the tibia to provide some torsional resistance. Axially extending channels are formed about the stem periphery which channels have bottom surfaces parallel to the stem axis to provide further torsional resistance. The channels are arranged to not interlock with the cement in the axial direction to permit the cement to separate first from the device during axial removal of the device from the bone. The fins have inclined edges distal the tray and inclined radial outer edges to align and center the stem to the bone cavity edge. Cement in the tray recesses bonds the tray to a tibia resected surface to provide major torsional resistance of the tray about the cavity longitudinal axis.
CA002430306A 1994-10-27 1995-10-10 Prosthesis fixturing device Expired - Fee Related CA2430306C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US33019694A 1994-10-27 1994-10-27
US08/330,196 1994-10-27
CA002160198A CA2160198C (en) 1994-10-27 1995-10-10 Prosthesis fixturing device

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002160198A Division CA2160198C (en) 1994-10-27 1995-10-10 Prosthesis fixturing device

Publications (2)

Publication Number Publication Date
CA2430306A1 true CA2430306A1 (en) 1996-04-28
CA2430306C CA2430306C (en) 2003-12-30

Family

ID=27614023

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002430307A Expired - Fee Related CA2430307C (en) 1994-10-27 1995-10-10 Prosthesis fixturing device
CA002430306A Expired - Fee Related CA2430306C (en) 1994-10-27 1995-10-10 Prosthesis fixturing device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA002430307A Expired - Fee Related CA2430307C (en) 1994-10-27 1995-10-10 Prosthesis fixturing device

Country Status (1)

Country Link
CA (2) CA2430307C (en)

Also Published As

Publication number Publication date
CA2430307A1 (en) 1996-04-28
CA2430307C (en) 2003-12-30
CA2430306C (en) 2003-12-30

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Legal Events

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EEER Examination request
MKLA Lapsed

Effective date: 20131010