Titanium-nickel shape memory clamps in small bone surgery
Language English Country Germany Media print
Document type Clinical Trial, Journal Article, Research Support, Non-U.S. Gov't
PubMed
9709847
DOI
10.1007/s004020050262
Knihovny.cz E-resources
- MeSH
- Surgical Instruments * MeSH
- Fracture Healing physiology MeSH
- Internal Fixators MeSH
- Foot Bones injuries surgery MeSH
- Humans MeSH
- Metacarpophalangeal Joint injuries surgery MeSH
- Follow-Up Studies MeSH
- Nickel * MeSH
- Foot Injuries diagnostic imaging surgery MeSH
- Hand Injuries diagnostic imaging surgery MeSH
- Radiography MeSH
- Bone Remodeling physiology MeSH
- Alloys * MeSH
- Titanium * MeSH
- Fractures, Comminuted diagnostic imaging pathology surgery MeSH
- Fracture Fixation, Internal adverse effects instrumentation methods MeSH
- Treatment Outcome MeSH
- Check Tag
- Humans MeSH
- Publication type
- Journal Article MeSH
- Clinical Trial MeSH
- Research Support, Non-U.S. Gov't MeSH
- Names of Substances
- Nickel * MeSH
- Alloys * MeSH
- Titanium * MeSH
- titanium nickelide MeSH Browser
The therapeutic applications of titanium-nickel (TiNi) shape memory clamps with optimized structural characteristics for fixation of small bone fragments in 64 patients are presented. Our fixative makes compressive stabilization possible and enables a patient to start rehabilitation very soon after surgery. The supporting splint immobilization never exceeded 12 days. Three aspects were studied: bone union, wound healing problems and histology. Non-union occurred in 4 patients treated with only one fixative. Two clamps implanted in non-parallel planes seem to be advisable to exclude the need for longer immobilization. Neither toxic manifestation nor episodes of an allergic reaction occurred. No suppuration appeared when a heat stimulus was supplied by using a contact resistance heater. Histological evaluation of the tissue covering the implants in 22 patients did not reveal any adverse reaction. Our study suggests that by using TiNi clamps in an appropriate way, satisfactory outcomes could be achieved with respect to both biofunctionality and biocompatibility.
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