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Biomedical subjects

G T Fisher

Publications and source records attributed to G T Fisher.

4 recordsLinked to original sources

Neuroma formation following digital amputations.

One hundred consecutive patients with 144 digital amputations performed at the University of Colorado Health Sciences Center between 1978 and 1980 were retrospectively reviewed. In this group, four patients demonstrated painful amputation stumps. Two of these were treated by surgical excision of neuromas and two patients, who had more vague complaints, were treated by desensitization which decreased the sensitivity of their stumps and allowed them to return to work. It is felt that this low incidence of painful neuromas and amputation stumps is due to the positive postoperative effort to send patients back to work as soon as possible, allowing them to perform their own therapy and thereby minimizing their disability and tendency to develop pain problems.

Adult↗

Origin of the use of subcuticular sutures.

The subcuticular suture has its origins not in the work of one individual but in that of generations of surgeons interested in obtaining the best wound healing possible. In their search for the perfect result they improvised and improved on the ideas of those preceding them. The result is an interesting lesson in medical history and a method of suturing that comes close to achieving the "invisible scar."

History, 19th Century↗

Ragweed pollen generation and sampling methods for filtration studies.

The means of generating and measuring the concentration of ragweed pollen particles for air filtration studies is discussed. The development of an inexpensive in-line impaction type sampler which collects the sample on filter paper is described. The advantages of the total particle count method when using this sampler are also defined. The effect of sampling an air steam without using an isokinetic probe was investigated; a non isokinetic sampling train was found to give results with accuracy comparable to isokinetic data. Another part of the study was to examine the "shadowing" effect of one sampling probe. Means are given for adjusting data for this effect.

Filtration↗