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1、Designation: F1078 10 (Reapproved 2011)Standard Terminology forSurgical ScissorsInserted and Non-Inserted Blades1This standard is issued under the fixed designation F1078; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of

2、 last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope1.1 This terminology defines basic terms

3、 and considerationsfor the components of scissors with either inserted or non-inserted blades (see Fig. 1). Instruments in this terminology arelimited to those fabricated having scissor blades made fromstainless steel and used for surgical procedures.2. Referenced Documents2.1 ASTM Standards:2F899 S

4、pecification for Wrought Stainless Steels for SurgicalInstrumentsF1079 Specification for Inserted and Noninserted SurgicalScissors2.2 ISO Standard:ISO 7741 Instruments for SurgeryScissors and ShearsGeneral Requirements, Testing33. TerminologyDEFINITIONS OF THE INSTRUMENTSbladethe segment that contai

5、ns the cutting edge which maybe with or without serrations.bottom scissor halfthe component which contains thethreaded end of the screw.distal endthe working end, comprised of two blades, that isfurthest from the surgeon when in use.finger ringsthe feature of the scissors that forms the grip-ping su

6、rface for the surgeon (commonly classified as thering-handled feature).jointthe junction where the scissor blades are secured by ascrew, allowing the instrument to pivot.proximal endthat portion of the instrument that is closest tothe surgeon when in use.ridethe edge which acts as a cam.ride relieft

7、he contoured area between the shank and riderounded bladea blade having a radius on its outer surfacewhich forms a transition between the outer edge and thecutting edges.screwthe fastener which joins the scissor halvesserrationscorrugations in the cutting edge of the blades.shank(1) the part of eith

8、er scissor half that yields configu-ration, length, and leverage; (2) the part of the scissor halfbetween the finger ring and joint.surgical scissors with insertsa stainless steel instrument,available in various sizes and configurations, and used insurgical procedures for cutting body tissue, gauze,

9、 andsuture. An instrument of this type has tungsten carbide,1This terminology is under the jurisdiction ofASTM Committee F04 on Medicaland Surgical Materials and Devices and is the direct responsibility of SubcommitteeF04.33 on Medical/Surgical Instruments.Current edition approved June 1, 2011. Publ

10、ished July 2011. Originally approvedin 1986. Last previous edition approved in 2010 as F1078 10. DOI: 10.1520/F1078-10R11.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, ref

11、er to the standards Document Summary page onthe ASTM website.3Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.FIG. 1 Components of a Scissors (Inserted and Non-Inserted)1Copyright ASTM International, 100 Barr Harbor Drive,

12、 PO Box C700, West Conshohocken, PA 19428-2959, United States.stellite, or other inserts.top scissor halfthe component which contains the screwhead at assembly.DEFINITIONS OF PHYSICAL PROPERTIESOF THE INSTRUMENTblade alignmentthe positioning of the blades with respect totip match-up and blade settin

13、g.chamferthe broken external edges of the instrument.corrosionthe formation of rust.finish, nfinal surface visual appearance classified as follows:bright or mirror finish, nhighly reflective surface.satin, matte, or black finish, nreduced reflective surface(as compared to bright or mirror finish) va

14、rying from a dullappearance to a blackened surface.hardnessa measurement of the resistance to indentation.passivationa process to render the surface condition ofstainless steel chemically inactive.setthe positioning of the blade for proper cutting action.stainless steelthe raw material of the instru

15、ment that is inaccordance with Specification F899.APPENDIX(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

16、and patient safety, these devices sup-plied by different manufacturers necessitate a defined system ofterms.X1.2 The terms defined in this standard are the mostcommonly used for scissors. However, the intent is not toprohibit technological innovation or to exclude instrumentsmanufactured with other

17、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 should be a

18、ddressed 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,

19、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 ASTM website (www.astm.org/COPYRIGHT/).F1078 10 (2011)2