VEIN STRIPPING INSTRUMENT
申请(专利)号:
USD3764427
申请日期:
1972-01-28
公开/公告号:
US3764427A
公开/公告日期:
1973-10-09
申请(专利权)人:
CODMAN & SHURTLEFF INC,US
被引量:
摘要:
OF THE DISCLOSUREof the guider tips is determined by the original diameterA surgical vein stripping instrument is made by pro of the molded rod which must be su?iciently large to viding a length of cable formed from a mono?lament permit the formation of the entire vein stripper. of axially oriented synthetic thermoplastic material and 15 It is, therefore, an object of this invention to provide an ultrasonically welding a tubular plastic cap to each end improved plastic vein stripper that incorporates the ad of the cable. Each cap is smoothly rounded on its end to vantages that the above-described instrument possesses permit free passage of the cable through a vein and each over the prior art devices Without the inherent disad cap is adapted to be secured to both an auxiliary bullet vantages set forth above. shaped tip and a handle for aiding the doctor in the removal of the vein.SUMMARY OF THE INVENTIONThe present invention provides a surgical vein strippinginstrument that comprises an elongated high tensile cableBACKGROUND OF THE INVENTIONformed of a uniformly extruded axially oriented mono?laThis is a division of application Ser. No. 12,795, ?led 25 ment of synthetic plastic material, such as, nylon. A tubu Feb. 19, 1970, now US. Pat. 3,659,606.This invention relates to surgical instruments and, morelar plastic cap is welded over each end of the cable toprovide enlarged tips that may be attached to either an particularly, to a disposable surgical vein stripping instru auxiliary bullet-shaped stripping member or to a handle ment of synthetic plastic material for performing phlebec for assisting the surgeon in pulling the stripper through a tomies, and to a method for making the instrument.30 vein. The caps are smoothly rounded on their ends and areThe surgical treatment of varicose veins (phlebectomy) only slightly larger in outside diameter than the diameter is disclosed and illustrated in the "Atlas of General Sur of the cable in order that the stripper may be freely passed gery" by Joseph R. Wilder, 2d edition, 1964, published through a vein. by C. V. Mosby Company (pages 240 et seq.) and inThe unique vein stripper of this invention is manu several United States patents, such as, US. Pat. Nos. 35 factured by providing an appropriate length of the plastic 2,788,787 and 2,863,458. The procedure has been per cable material and ultrasonically welding the pair of formed for many years and is well known to the medical tubular plastic caps over the ends thereof. The energy
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