CA2044758A1 - Method of surface finishing orthopaedic implant devices - Google Patents

Method of surface finishing orthopaedic implant devices

Info

Publication number
CA2044758A1
CA2044758A1 CA002044758A CA2044758A CA2044758A1 CA 2044758 A1 CA2044758 A1 CA 2044758A1 CA 002044758 A CA002044758 A CA 002044758A CA 2044758 A CA2044758 A CA 2044758A CA 2044758 A1 CA2044758 A1 CA 2044758A1
Authority
CA
Canada
Prior art keywords
stainless steel
shot
orthopedic implant
implant devices
surface finishing
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
CA002044758A
Other languages
French (fr)
Other versions
CA2044758C (en
Inventor
H. Ravindranath Shetty
John H. Hiss
Kevin M. Greig
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.)
Bristol Myers Squibb Co
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 to CA002044758A priority Critical patent/CA2044758C/en
Publication of CA2044758A1 publication Critical patent/CA2044758A1/en
Application granted granted Critical
Publication of CA2044758C publication Critical patent/CA2044758C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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  • Materials For Medical Uses (AREA)
  • Prostheses (AREA)

Abstract

A surface treatment process for stainless steel orthopedic implant devices and an orthopedic implant device surface treated in accordance with the disclosed process are disclosed. A rough ground or machined stainless steel part is shot blasted with stainless steel shot. The device is then shot blasted with glass beads having a nominal size of between one-tenth and one-half that of the stainless steel shot. Electropolishing and passivation follow the shot blasting steps. A part thus treated includes a heavily cold-worked outer layer that enhances the fatigue properties of the stainless steel orthopedic implant device.
CA002044758A 1991-06-17 1991-06-17 Method of surface finishing orthopaedic implant devices Expired - Lifetime CA2044758C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002044758A CA2044758C (en) 1991-06-17 1991-06-17 Method of surface finishing orthopaedic implant devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002044758A CA2044758C (en) 1991-06-17 1991-06-17 Method of surface finishing orthopaedic implant devices

Publications (2)

Publication Number Publication Date
CA2044758A1 true CA2044758A1 (en) 1992-12-18
CA2044758C CA2044758C (en) 2004-04-27

Family

ID=4147839

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002044758A Expired - Lifetime CA2044758C (en) 1991-06-17 1991-06-17 Method of surface finishing orthopaedic implant devices

Country Status (1)

Country Link
CA (1) CA2044758C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112930421A (en) * 2018-10-23 2021-06-08 住友金属矿山株式会社 Apparatus and method for manufacturing resin film with metal film

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112930421A (en) * 2018-10-23 2021-06-08 住友金属矿山株式会社 Apparatus and method for manufacturing resin film with metal film

Also Published As

Publication number Publication date
CA2044758C (en) 2004-04-27

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