Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Patent
1992-05-07
1993-05-04
Green, Randall L.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
606 59, 606 60, 606 72, 606 76, A61F 242
Patent
active
052077128
ABSTRACT:
A method and apparatus for surgical correction of malformations of digits of a foot. Part of the joint is removed to expose bone ends. The bone ends are spaced apart from each other at a distance greater than would be suitable for knitting of said bone ends to each other with bone tissue. Holes are bored in each of the bone ends. An implant, including shafts and a central spacer, is inserted into each of the holes in the bones. This implant consists entirely of absorbable material. The implant is left permanently in place to be completely absorbed as it is replaced by fibrous scar tissue. This tissue forms an effective joint replacement.
REFERENCES:
patent: 4634445 (1987-01-01), Helal
patent: 4858603 (1989-08-01), Clemow et al.
patent: 4898186 (1990-02-01), Ikada et al.
patent: 4969909 (1990-11-01), Barouk
patent: 5092896 (1992-03-01), Meuli et al.
Shaw H. Alan, Alvarez Gregory, The Use of Digital Implants for the Correction of Hammertoe Deformity and Their Potential Complications and Management, 31 The Journal of Foot Surgery, No. 1 pp. 63-74 (Jan./Feb. 1992).
A Totally Absorbing Disappearing Act !, OrthoSorb absorbable pin advertisement, The Journal of Foot Surgery, ibid. at ii.
Orthosorb Absorbable pin: Setting the Standard for Absorbable Internal Fixation for Shear or Torque Forces in the Foot, Hand, or Knee, Handout literature distributed by Johnson & Johnson Orthopaedics (1991) 325 Paramount Dr., Raynham, Mass. 02767.
Gotkin, Introducing the Absorbable Tapered Pins, 1 Absorbable Update #2, pp. 1-3 (Jul./Aug. 1991 Boca Biomedical Inc.).
Shear Strength . . . With a Fracture fixation pin that's gradually absorbed, Johnson & Johnson Orthopaedics brochure (1990).
BioAction Great Toe Implant, Orthopaedic Biosystems advertisement.
Green Randall L.
Jones Mary Beth O.
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