Screwdriver containing clamp pin in hand surgery

Abstract

The invention provides a screwdriver containing a clamp pin in hand surgery, comprising a step shaft type screwdriver rod 11, a hollow step shaft type clamping head 12 and a hollow step shaft type clamping sleeve 13, wherein, the left end of the step shaft type screwdriver rod 11 is a connecting part, the right end thereof is a screwdriver and the middle section thereof is a larger diameter section; the inner hole of the hollow step shaft type clamping head 12 is a step hole, the larger hole diameter section of the right end thereof is matched with the larger diameter section of the screwdriver rod, and the right end of the hollow step shaft type clamping head 12 is provided with a ring groove; the left end of the outer wall of the clamping head is convexly provided with a handle, the right end thereof is a conical head part which is expanded toward the end, and the middle section thereof is a larger outer diameter section; the wall of a shaft cylinder of the right end of the clamping head is processed with a plurality of long grooves; and the inner hole of the hollow step shaft type clamping sleeve 13 is a step hole, and the larger hole diameter section of the left end thereof is matched with the larger diameter section of the clamping head. The screwdriver has the beneficial effects of being capable of holding a medical screw stably and firmly, having simple and convenient operation, bringing convenience for use of doctors, having simple structure and being convenient to carry out production and manufacture, thus controlling cost.

Description

technical field [0001] The invention relates to a nail clip screwdriver for hand surgery, in particular to a nail clip screwdriver for hand surgery that can conveniently, firmly and stably grasp screws. Background technique [0002] Nowadays, 1.5 and 2.0 screws are required for hand surgery and craniofacial surgery. 1.5 and 2.0 screws are characterized by being thin and short, with thin caps and shallow cross grooves on the caps. When screwing in a screw with a screwdriver, it can be difficult to grip. If the operation field is not clear enough or the operation is more complicated, if the grip is unstable and it is accidentally dropped, the consequences will be disastrous. [0003] At present, there are two main types of hand surgery screwdrivers on the market: one is imported, the nail clip and the screwdriver rod form a whole, which can quickly grasp the screw, and the tail can also be quickly connected to the quick-connect handle. The advantage of this device is that i...

AI Technical Summary

Problems solved by technology

The advantage of this device is that it is easy to use, but the structure is complex and expensive; the other is to equip a simple spring collet 02 on the screwdriver rod 01, such as figure 1 shown

This kind of screwdriver is unstable in gripping the screw, and the direction cannot be controlled, and there is a danger of the screw falling if a little force is not used properly.

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