ASTM F1611-2000(2004) Standard Specification for Intramedullary Reamers《髓内铰具标准规范》.pdf

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1、Designation: F 1611 00 (Reapproved 2004)Standard Specification forIntramedullary Reamers1This standard is issued under the fixed designation F 1611; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A numbe

2、r 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 specification provides requirements for material,dimensions and tolerances, finish and marking, and care andhandling for reamers inten

3、ded to cut a cylindrical path alongthe medullary canal of diaphyseal bone.1.2 Intramedullary reamers are commonly used to preparethe medullary canal for the insertion of intramedullary fixationdevices (IMFD). As such, the relationship between the in-tramedullary reamer diameter and the IMFDs diamete

4、r areconsidered.1.3 The values stated in SI units are to be regarded as thestandard.2. Referenced Documents2.1 ASTM Standards:2A 564/A 564M Specification for Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and ShapesA 693 Specification for Precipitation-Hardening StainlessSteel and H

5、eat-Resisting Steel Plate, Sheet, and StripA 705/A 705M Specification for Age-Hardening Stainlessand Heat Resisting Steel ForgingsF 86 Practice for Surface Preparation and Marking of Me-tallic Surgical ImplantsF 565 Practice for Care and Handling of Orthopaedic Im-plants and InstrumentsF 899 Specifi

6、cation for Stainless Steels for Surgical Instru-mentsF 983 Practice for Permanent Marking of Orthopaedic Im-plant ComponentsF 1264 Specification and Test Methods for IntramedullaryFixation Devices3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 cutting head, nthe portion of the

7、 reamer, whichconsists of flutes, or edges, which cut the bone.3.1.2 reamer diameter, nthe diameter of the circum-scribed circle of the cutting heads cross-section (shown in Fig.1).3.1.3 reamer shaft diameter, nthe diameter of the circum-scribed circle of the long portion of the reamer, which connec

8、tsthe cutting portion of the reamer to the drill.4. Classification4.1 In general, intramedullary reamers consist of two types:4.1.1 One-piece reamerA design where the reamer shaftand cutting head are permanently attached to each other.4.1.2 Modular ReamerA design where the reamer shaftand cutting he

9、ad are two separate components, fixed to eachother temporarily at the time of use via a geometric connection,for example, dovetail joint.5. Dimensions and Tolerances5.1 The reamer diameter shall be measured at the largestportion of the cutting heads cross section and reported to thenearest 0.2 mm. T

10、he reamer diameter shall be measured usinga micrometer or an appropriate ring gage. When using amicrometer to measure reamers with an odd number of flutes,a V-anvil micrometer (with the appropriate angle, based on thenumber of flutes) will be used to accurately determine thereamer diameter.5.2 The t

11、olerance of a reamer diameter shall be no morethan 60.075 mm.6. Material Requirements6.1 The reamers shaft and cutting head shall be fabricatedfrom materials with suitable strength, hardness, and corrosionresistance. The materials described in Specifications A 564/A 564M A 693, A 705/A 705M and F 89

12、9 have been found tobe suitable for this use.7. Finish and Marking7.1 The shaft and cutting head shall be free from burrs,nicks, dents, and scratches when examined in accordance withPractice F 86.7.2 The flutes of the cutting head will be of the appropriategeometry to perform the intended use of rea

13、ming bone.7.3 When space permits, the following information shouldbe legibly marked on the reamer (in order of preference):7.3.1 Reamer diameter,7.3.2 Manufacturers name or logo,1This specification is under the jurisdiction of ASTM Committee F04 onMedical and Surgical Materials and Devices and is th

14、e direct responsibliltiy ofSubcommittee F04.21 on Osteosynthesis.Current edition approved Apr. 1, 2004. Published April 2004. Originallyapproved in 1995. Last previous edition approved in 2000 as F 1611 00.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer

15、Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.7.3.3 Catalog number,7.3.4 Reamer shaft

16、diameter, if the shaft diameter is notuniform along its length, for example, a tapered shaft, then themaximum and minimum diameters should be given.7.3.5 Manufacturing lot number.7.4 Reamers shall be marked in accordance with PracticeF 983 when practical, unless otherwise specified in 7.3.8. Care an

17、d Handling8.1 The reamer should be cared for and handled in accor-dance with Practice F 565, as appropriate.8.2 The flutes of the cutting head should be checkedperiodically for damage or wear. Reamers that are consideredto be performing inadequately should be removed from ser-vice.NOTE 1No standards

18、 exist for the measurement of “sharpness.”Reamer performance is the most reliable method for assessing reamersharpness.9. Keywords9.1 intramedullary fixation device; orthopaedic medical de-vice; reamer; surgical instrumentsAPPENDIX(Nonmandatory Information)X1. RATIONALEX1.1 Intramedullary reamers co

19、mmonly are used to preparethe medullary canal for the subsequent insertion of an IMFD.The relationship between the diameter of the hole prepared bythe reamer and the IMFDs diameter are important in relationto the fit achieved by the implant in the bone and the avoidanceof surgical complications. If

20、the fit is too loose, the initialfixation may be inadequate to control the translation of thefragments. If the fit is too tight, it may be impossible to drivethe IMFD into the bone, the bone fragments may burst, theIMFD may migrate out through the side of the bone, and soforth. It is important that

21、the designation for the reamer size ordiameter be related to the diameter of the reamers cuttingflutes so that instruments and IMFDs of different designs andmanufacturers can be interchanged during use. Using thereamer diameter specified here and the IMFD diameter speci-fied in Specification F 1264,

22、 the surgeon may have confidencein achieving the correct reamer/IMFD geometric relationship.X1.2 The reamer shaft diameter may be an importantdimension in the clinical use of the intramedullary reamer.Laboratory studies have suggested that larger reamer shaftdiameters result in greater intramedullar

23、y pressure.3,4,5ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of

24、such rights, are entirely their own responsibility.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 ad

25、ditional standardsand should 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

26、the ASTM Committee on Standards, 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 t

27、he aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).3Muller, C.A., Schavan, R., Frigg, R., Perren, S.M., and Pfister, U., “Intramed-ullary Pressure Increase for Different Commercial and Experimental ReamingSystems: An

28、 Experimental Investigation,” Journal of Orthopaedic Trauma, Vol 12,No. 8, pp. 54046, 1998.4Peter, R.E., Selz, T., and Koesti, A., “Influence of the Reamer Shape onIntraosseous Pessure During Closed Intramedullary Nailing of the Unbroken Femur:A Preliminary Report,” Injury, Vol 24, Suppl. 3, pp. S4855, 1993.5Muller, C.A., Frigg, R., and Pfister, U., “Can Modifications to Reamer andFlexible Shaft Design Decrease Intramedullary Pressure During Reaming? AnExperimental Investigation,” Techniques in Orthopaedics, Vol 11, No. 1, pp. 1827,1996.FIG. 1 Reamer Cutting HeadF 1611 00 (2004)2