1、Designation: F1638 95 (Reapproved 2016)Standard Terminology forSurgical Tissue/Dressing/Pick-Up Forceps (Thumb-Type)1This standard is issued under the fixed designation F1638; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the yea
2、r of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () 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. Instruments
3、with this terminology are limited to those fabricated fromstainless steel and used for surgical procedures.2. Referenced Documents2.1 ASTM Standards:2F899 Specification for Wrought Stainless Steels for SurgicalInstrumentsF921 Terminology Relating to Hemostatic Forceps3. Terminology3.1 Definitions:at
4、raumaticteeth 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 protrud
5、ing 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-rest posit
6、ion 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 and designed to limit teeth contact uponclosure and prevent their damage.teethserrations formed on the inside faces of the
7、 distal endof the tweezer halves.tissue forcepsa device formed in two generally symmetricalhalves with their proximal ends secured together and set sothat their distal ends will stay separated unless pressedtogether.1This terminology is under the jurisdiction ofASTM Committee F04 on Medicaland Surgi
8、cal Materials and Devices and is the direct responsibility of SubcommitteeF04.33 on Medical/Surgical Instruments.Current edition approved Oct. 1, 2016. Published October 2016. Originallyapproved in 1995. Last previous edition approved in 2008 as F1638 95 (2008)1.DOI: 10.1520/F1638-95R16.2For referen
9、ced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Co
10、nshohocken, PA 19428-2959. United States1APPENDIX(Nonmandatory Information)X1. RATIONALEX1.1 Because there is a clinical need for a variety ofinstruments for surgical procedures, they are manufactured invarious configurations and from various types of stainless steel.For practical purposes and patie
11、nt safety, these devices sup-plied by different manufacturers necessitate a defined system ofterms.X1.2 The terms defined in 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 wit
12、h other types of features.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 sho
13、uld be 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 Sta
14、ndards, 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). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 95 (2016)2
