Development of small diameter vascular prostheses.
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Animals↗
Biomedical subjects
K Knutson
Publications and source records attributed to K Knutson.
The effects of chemical structure and surface properties of synthetic polymers on the coagulation of blood. IV. The relation between polymer morphology and protein adsorption.
Although these studies are preliminary, they do not show that the chemical structure of the block copolymer is not the only determinant of its blood properties; one must be equally concerned with the effect of its domain-matrix size and purity. These features, which are affected by factors such as block size, mold surface, and general fabrication procedures, as well as chemical structure, must be controlled if one is to have reproducible results in the function of an implant.
Adsorption↗
Talonavicular arthrodesis in the rheumatoid foot.
Arthrodesis of the talonavicular joint with a cylindrical dowel was performed in 19 feet in 17 rheumatoid patients with arthritic destruction of the talonavicular joint, but without fixed hindfoot deformity. Osseous union was achieved in 12 feet, but all patients experienced pain relief and no foot showed progressive valgus deformity of the hindfoot during follow-up. Staple fixation seemed to promote osseous union. The procedure, easy to perform and requiring only 6 weeks of immobilization, may, in the absence of fixed hindfoot deformity, supersede triple arthrodesis in rheumatoid patients with hindfoot arthritis.
Adolescent↗
Clinic nursing team sets high goals.
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Employee Performance Appraisal↗