1、Designation: F 1638 95 (Reapproved 2002)Standard Terminology forSurgical Tissue/Dressing/Pick-Up Forceps (Thumb-Type)1This standard is issued under the fixed designation F 1638; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the y
2、ear of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This terminology defines basic terms and considerationsfor components of thumb-type surgical forceps. Instrume
3、ntswith this terminology are limited to those fabricated fromstainless steel and used for surgical procedures.2. Referenced Documents2.1 ASTM Standards:F 899 Specification for Stainless Steels for Surgical Instru-ments2F 921 Definitions of Terms Relating to Hemostatic Forceps23. Terminology3.1 Defin
4、itionsatraumaticteeth that would interdigitate except for beingspaced apart a predesigned distance so they will not stress,crush, or otherwise traumatize the tissue being grasped.guide pina pin affixed to the inside of one of the forcepshalves that aligns with a hole on the other tweezer halfwithout
5、 protruding through when closed.guide pin holethe hole in one forceps half into which theguide pin fits without passing through when closed.meshan alignment of opposing teeth. The teeth may bein-line or angled.mouse teethdistal tip teeth that interdigitate.scissoringlateral misalignment.setthe at re
6、st position of the instrument halves that willprovide the intended closing relationship of fit and force.stop pina pin of preset length affixed to the inside of one ofthe tweezer halves designed to limit teeth contact uponclosure and prevent their damage.teethserrations formed on the inside faces of
7、 the distal endof the tweezer halves.tissue forcepsa device formed in two generally symmetricalhalves with their proximal ends secured together and set sotheir distal ends will stay separated unless pressed together.APPENDIX(Nonmandatory Information)X1. RATIONALEX1.1 Because there is a clinical need
8、 for a variety ofinstruments for surgical procedures, they are manufactured invarious configurations and from various types of stainless steel.For practical purposes and patient safety, these devices sup-plied by different manufacturers necessitate a defined system ofterms.X1.2 The terms defined in
9、this terminology are the mostcommonly used for this type of forceps. However, the intent isnot to prohibit technological innovation or to exclude instru-ments manufactured with other types of features.1This terminology is under the jurisdiction of ASTM Committee F04 on Medicaland Surgical Materials
10、and Devices and is the direct responsibility of SubcommitteeF04.33 on Medical/Surgical Instruments.Current edition approved Oct. 10, 1995. Published December 1995.2Annual Book of ASTM Standards, Vol 13.01.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-
11、2959, United States.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be
12、 addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards
13、, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).F 1638 95 (2002)2
