CN202497180U - Orthopedic surgery draw hook - Google Patents

Abstract

The utility model relates to the field of medical instruments, and in particular relates to an orthopedic surgery draw hook. The orthopedic surgery draw hook is characterized in that an upper odontoid process is arranged on the front end of a draw arm, a toothed ring is fixed on a hook body, and the friction force of the draw hook is increased by the toothed ring, so that slip phenomenon in wound drawing during an orthopedic surgery is avoided, the surgery visual field is fully exposed and the surgery quality is improved. The orthopedic surgery draw hook comprises the draw arm, the hook body, a draw handle, a depression, the odontoid process and the toothed ring, wherein the draw handle is arranged at the rear part of the draw arm, the hook body is arranged at the front part of the draw arm, the toothed ring is arranged at the front part of the hook body, the odontoid process is arranged at the front end of the hook body, the depression is arranged on the draw handle and adaptive to the finger pad in size, and the toothed ring is round. The orthopedic surgery draw hook has the beneficial effects of being simple in structure, simple and convenient to operate, and strong in practicability.

Description

A kind of orthopedic operating drag hook

Technical field

This utility model relates to medical instruments field, relates in particular to a kind of orthopedic operating drag hook.

Background technology

At present, often use drag hook to realize the open of surgical field of view clinically in the bone surgery, the orthopedic operating drag hook is mainly formed by the tooth of torque arm, coupler body and coupler body lower end is prominent; Existing drag hook is general only in use to play fixation with monodentate is prominent, because bone surgery institute tractive be the bigger tissue of elasticity such as ligament mostly, has only a tooth prominent fixing also insecure; Be easy to slippage, simultaneously the medical worker is with hands tractive torque arm exposure surgical field of view, and bone surface ligament, muscle are abundanter; Make traction process very painstaking, not only time-consuming but also require great effort, increased work difficulty to the medical worker; Thereby can't guarantee the quality of performing the operation, result of use is undesirable.

The utility model content

The above-mentioned deficiency that this utility model exists to prior art; A kind of orthopedic operating drag hook is provided, and tooth is prominent on the torque arm front end is fixing, fixing ring gear on the coupler body; Drag hook has increased frictional force through ring gear; Make and when carrying out bone surgery wound tractive, can avoid producing slip phenomenon, fully expose surgical field of view, thereby improve the operation quality.

The purpose of this utility model is to realize through following technical scheme:

A kind of orthopedic operating drag hook; Comprise torque arm, coupler body, pull handle, depression, prominent, the ring gear of tooth, said torque arm rear portion is provided with pull handle, and said torque arm front portion is provided with coupler body; Said coupler body front portion is provided with ring gear; It is prominent that said coupler body front end is provided with tooth, and said pull handle is provided with depression, and said depression adapts with finger tripe size.

Said ring gear is circular.

This utility model beneficial effect: simple in structure, easy and simple to handle, practical, when carrying out bone surgery wound tractive, can avoid producing slip phenomenon to the patient, time saving and energy saving when exposing the surgical field of view operation, alleviated medical worker's work difficulty.

Description of drawings

Fig. 1 is the described bone surgery drag hook of this utility model.

Among the figure:

The 1-coupler body; The 2-torque arm; The 3-pull handle; The 4-depression; The 5-tooth is prominent; The 6-ring gear.

The specific embodiment

According to accompanying drawing and embodiment this utility model is done further explain below:

As shown in Figure 1, a kind of bone surgery drag hook of this utility model comprises prominent 5, the ring gear 6 of coupler body 1, torque arm 2, pull handle 3, depression 4, tooth; Novel bone surgery drag hook is made simple; At first make a torque arm 2, be equipped with the pull handle 3 of depression 4 at torque arm 2 rear portions, when the medical worker holds the pull handle 3 of drag hook, can finger be placed on depression 4 positions; Because depression 4 sizes adapt with finger tripe size, so more comfortable when using.Be provided with the coupler body 1 of fixed teeth prominent 5 in torque arm 2 front portions; In torque arm 2, be fixed with circular ring gear 6, because ring gear 6 plays the increase function of friction, can tooth prominent 5 be firmly fixed during use; The slippage of tooth prominent 5 alleviates patient's misery when having avoided carrying out bone surgery.

When carrying out bone surgery to the patient, the medical worker only needs to hold the pull handle 3 of coupler body 1, and the finger tripe just in time is placed on corresponding depression 4 positions, holds on 3 couples of patients of pull handle and carries out tractive torque arm 2, just can accomplish operation smoothly.

Claims (2)

1. orthopedic operating drag hook; It is characterized in that: comprise torque arm, coupler body, pull handle, depression, prominent, the ring gear of tooth, said torque arm rear portion is provided with pull handle, and said torque arm front portion is provided with coupler body; Said coupler body front portion is provided with ring gear; It is prominent that said coupler body front end is provided with tooth, and said pull handle is provided with depression, and said depression adapts with finger tripe size.

2. a kind of orthopedic operating drag hook as claimed in claim 1 is characterized in that: said ring gear is for circular.

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