YY/T 0077-2013 General specifications for laryngeal forceps
1 Scope
This standard specifies the structural types and materials, requirements, test methods, marking, and packaging, transportation and storage of laryngeal forceps.
This standard is applicable to laryngeal forceps products (hereinafter referred to as "laryngeal forceps") for clamping and biting/cutting tissues or foreign bodies from the larynx.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 1220-2007 Stainless steel bars
GB/T 1910-2006 Newsprint
GB/T 4237-2007 Hot rolled stainless steel plate, sheet and strip
GB/T 4340.1-2009 Metallic materials - Vickers hardness test - Part 1: Test method
GB/T 8938-2008 Typewriting paper
GB/T 10610-2009 Geometrical product specifications (GPS) - Surface texture: Profile method - Rules and procedures for the assessment of surface texture
YY/T 0149-2006 Medical instruments of stainless steel - Test methods of corrosion resistance
YY/T 0171-2008 Surgical instruments - Packaging, marking and instructions
YY/T 1052-2004 Marking requirements for surgical instruments
3 Structural types and materials
3.1 Laryngeal forceps are classified into integral type and detachable type, as shown in Figure 1. They may have clamping, cutting or biting jaws, as shown in Figure 2.
a) Integral type b) Detachable type
Figure 1 Schematic diagrams for laryngeal forceps
a) Clamping type b) Cutting type c) Biting type
Figure 2 Schematic diagrams for jaws of laryngeal forceps
3.2 The laryngeal forceps shall be made of the materials specified in Table 1.
Table 1 Materials
Foreword I
1 Scope
2 Normative references
3 Structural types and materials
4 Requirements
5 Test methods
6 Marking
7 Packaging, transportation and storage
Annex A (Informative) Type inspection