CN2366056Y - 'Y' shaped surgical needle knife - Google Patents

Abstract

The utility model relates to a 'Y'-shaped surgical needle knife, which comprises a knife holder, a needle body and a knife head, wherein, one end of the needle body is provided with the knife holder and the other end is provided with the knife head. The utility model is characterized in that the knife head has two knife points with different lengths; the knife points present a Y shape; the knife points are divided into a long knife point and a short knife point, and a flat inclining knife edge is arranged between the two knife points. Using the 'Y'-shaped surgical needle knife to solute the tendon sheath by percutaneous puncture closing operation has simple operation, clear positioning, stable knife position, accurate cutting, small wound and no damage on the muscle tendon. Using the utility model to make the operation is commonly successful once; the recurrence can not happen, the healing period is short, the complications can not happen, the cost is low and the operation can not influenced.

Description

'Y' shaped surgical needle knife

This utility model relates to a kind of medical surgical instrument.

For diseases such as de Quervain's disease (stuck-finger or toe de Quervain disease), thecal cyst, synovitis, prior art has open surgery loosening therapy, needle knife therapy, the treatment of inclined blade needle cutter or the like method.The open surgery loosening therapy, wound is big, and painful big, healing time is long, infection of incisional wound sometimes of expense height, postoperative or adhesion.Needle knife therapy, simpler though wound is little, can only carry and insert cutting, the pin cutter is flat sword, and width has only 0.8mm, and edge of a knife line is difficult for continuously, is difficult to completely stndon sheath be cut, and skids on hard stndon sheath sometimes, overexerts and can damage tendon.Inclined blade needle cutter treatment, than the progress of level blade needle cutter, but inaccurate during operation, the weight instability, shallow then the cunning along the stndon sheath surface gone, and deeply then penetrates stndon sheath, the damage tendon, repeated multiple times cutting could success, but it is not thorough to loosen sometimes, needs secondary or treats through open surgery.

The purpose of this utility model is to provide a kind of 'Y' shaped surgical needle knife, and is simple to operate with its percutaneous puncture closure procedure stndon sheath of loosening, and locatees clearly, and cutter spacing is stable, cutting accurately, wound is little, does not damage tendon.

The purpose of this utility model is achieved in that

A kind of 'Y' shaped surgical needle knife, it comprises handle of a knife, needle body, cutter head, and needle body one end is provided with handle of a knife, and the other end is a cutter head, and cutter head has two points of a knife that length is different, is " Y " font, and one is the rimmer knife point, and another is the short sword point, and flat oblique blade is arranged between two points of a knife.Described handle of a knife is a flat, and bottom is provided with the crescent breach on it.

This utility model has following advantage and good effect:

It is generally once successful to use this utility model to perform an operation, and does not recur, and healing time is short, no pain, and no complication, expense is low, does not influence work.

Fig. 1 is the front view of this utility model embodiment;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 is the right view of Fig. 1.

Describe this utility model in detail below in conjunction with drawings and Examples:

As shown in the figure: it comprises handle of a knife 1, needle body 2, cutter head 3, and needle body one end is provided with handle of a knife, and the other end is a cutter head, and cutter head has two points of a knife that length is different, is " Y " font, and one is the rimmer knife point, and another is the short sword point, and flat oblique blade is arranged between two points of a knife.Described handle of a knife is a flat, and bottom is provided with the crescent breach on it.

Mark at diseased region during use, routine disinfection is after the local anaesthesia, get 'Y' shaped surgical needle knife and be 45 degree along local anaesthesia pin hole and skin and thrust, edge of a knife line is parallel with tendon, and having touched hard tough sense is stndon sheath, firmly the rimmer knife spine is gone in the stndon sheath a little, and the short sword point is left to outside the stndon sheath, and the angle blade rides on the stndon sheath, being 15 degree-25 degree slowly pushes away to near-end and cuts, can hear " card card " sound this moment, prove the stndon sheath of cutting, no sound of other tissue and hard tough sense, cut coverage is generally at 0.5-1.0CM, processus styloideus radii 1.0-1.5CM, resistance disappears, and promptly withdraws from the pin cutter, allow the patient bend and stretch finger or toe or wrist, as activity freely, no sound does not have card and presses, confirmation is loosened successfully, oppress pin hole for a moment, adhesive bandage applies lid, advises next day the patient to bend and stretch finger function and takes exercise, remove adhesive bandage after three days, can make general work.

Claims (2)

1. 'Y' shaped surgical needle knife, it comprises handle of a knife, needle body, cutter head, needle body one end is provided with handle of a knife, the other end is a cutter head, it is characterized in that: cutter head has two points of a knife that length is different, is " Y " font, one is the rimmer knife point, and another is the short sword point, and flat oblique blade is arranged between two points of a knife.

2. 'Y' shaped surgical needle knife according to claim 1 is characterized in that: described handle of a knife is a flat, and bottom is provided with the crescent breach on it.

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