Standard Specification for General Workmanship and Performance Measurements of Hemostatic Forceps

SCOPE
1.1 This specification covers general workmanship aspects of hemostatic forceps fabricated from stainless steel and intended for reuse in surgery.

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Historical
Publication Date
25-Sep-1986
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ASTM F1026-86(2002) - Standard Specification for General Workmanship and Performance Measurements of Hemostatic Forceps
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: F 1026 – 86 (Reapproved 2002)
Standard Specification for
General Workmanship and Performance Measurements of
Hemostatic Forceps
This standard is issued under the fixed designation F 1026; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) 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. Scope 5.2 Passivation—Instruments and instrument components
shall be passivated after completion of all fabricating and
1.1 This specification covers general workmanship aspects
finishing operations.
of hemostatic forceps fabricated from stainless steel and
intended for reuse in surgery.
6. Performance Requirements
2. Referenced Documents 6.1 Finger Rings—Inside surfaces shall be well rounded
and polished and shall comply with the requirements in 7.1.
2.1 ASTM Standards:
6.2 Jaw Serrations and Teeth—Jaw serrations and teeth
E 18 Test Methods for Rockwell Hardness and Rockwell
2 shall be of the types specified in Definitions F 921. The
Superficial Hardness of Metallic Materials
serrations and teeth shall be of uniform depth and height and
E 92 Test Method for Vickers Hardness of Metallic Mate-
well defined to provide effective gripping. The serrations and
rials
teeth shall interdigitate. The edges of the serrations shall be
E 140 Hardness Conversion Tables for Metals
chamfered.
F 899 Specification for Stainless Steels for Surgical Instru-
6.3 Box Lock—The hemostatic forceps shall be of box lock
ments
construction, as defined in Definitions F 921. The pin, or other
F 921 Definitions ofTerms Relating to Hemostatic Forceps
fastening component, shall be permanently secured. The joint
3. Terminology performance of the box lock shall be smooth, of equal
resistance, and non-binding when opening or closing the
3.1 Definitions applicable to hemostatic forceps shall be in
forceps to an included angle of 90 6 5° (the lock may be
accordance with Definitions F 921.
lubricated).
4. Material
6.4 Clearance—The maximum clearance between the male
and female members of the forceps in the lock area shall be 0.4
4.1 All of the component parts of the instruments shall be
mm (0.015 in.). The clearance is the visible gap that exists
made of martensitic stainless steel of Type 410, 410X, 416,
when the instrument is viewed from both the front and side
416MOD, 420A, or 420B of Specification F 899.
profile or end view of the instrument (excluding bevel) (see
5. Physical Requirements
Fig. 1).
6.5 Ratchets—Ratchet and ratchet catch shall securely en-
5.1 Heat Treatment and Hardness for Component Parts:
gage at each ratchet position in a smooth and progressive
5.1.1 The component parts of the instruments shall be heat
manner.
treated under conditions recommended for the material used.
6.6 Jaw and Ratchet Setting—The jaw tips shall close and
Typical heat treating guidelines and hardness values are shown
interdigitate when the first ratchet position is engaged, and
in Specification F 899.
there shall be no visible misalignment of the jaws. The jaws
5.1.2 The hardness of all opposing parts of the same
shall progressively tighten with each succeeding ratchet en-
instrument shall not vary in hardness by more than 4 units on
gagement. Each ratchet position shall hold firmly and release
the Rockwell Hardness C scale (HRC) or equivalent.
easily. The jaws shall be fully closed and the serrations
interdigitated when the last ratchet is engaged. The jaws shall
This specification is under the jurisdiction of ASTM Committee F
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