CN202637048U - Finger-sleeved safety push knife - Google Patents

Abstract

A finger-sleeved safety push knife comprises a finger stall, a push knife, a push knife head safety sheath, and a knife handle guiding sheath, wherein the finger stall is integrated with the push knife through the push knife head safety sheath and the knife handle guiding sheath which are attached to the finger stall. A user wears the finger stall on (a) finger(s), and pulls and pushes the knife handle to make the blade go out and in the knife sheath with other fingers. States of separating from and entering into the safety sheath of the blade can be used to perform accurate surgical operations to target tissues and to prevent other tissues from being injured respectively.

Description

A kind of cover refers to insure push broach

Technical field

This utility model relates to a kind of cover and refers to insure push broach, belongs to medical instruments field.

Background technology

At present, push broach commonly used in the surgical operation is the cutter head that shaft-like handle of a knife front end is circular arc, and there is curved blade the cutter head front side, and in use, with the tissue of curved blade contrectation cutting, the patient holds handle of a knife and promotes forward, and tissue is cut.In operating some situation, need to move under water under non-direct-view cuts and organizes, and moves under water in the lacuna if use this moment traditional existing push broach to stretch into tissue, is difficult for accurately operation because can not look at straight, and the risk of accidentally injuring other tissues is arranged.Push broach in the existing medical apparatus and instruments improves type, not yet solves the problem of accurately cutting destination organization and being difficult for accidentally injuring surrounding tissue in human body moves under water lacuna.

Summary of the invention

In order to make things convenient for patient accurate cutting or chorista and the difficult surrounding tissue of accidentally injuring in human body moves under water lacuna, the technical program provides a kind of cover to refer to insure push broach, make in surgical operation, solve push broach and in non-direct-view situation, stretch into to move under water and organize the problem that is difficult for accurate cutting destination organization in the lacuna and easily accidentally injures surrounding tissue, thereby make this step safety and quick more in the surgical operation.

The technical scheme that its technical problem that solves this utility model adopts is: this utility model comprises 6 parts: fingerstall 1., the push broach head 2., the push broach sword 3., handle of a knife 4., push broach head insurance sheath 5., handle of a knife guiding sheath 6..This utility model is take fingerstall combination push broach as body design, the push broach head of the place ahead band blade (do not limit by the cutting edge shape of push broach head, can be circular arc, dihedral, oblique or craspedodrome etc.) form push broach with handle of a knife, cutter head insurance sheath all is connected with fingerstall with handle of a knife guiding sheath.During use, operator partly is placed in the fingerstall in this utility model on the finger, other finger push handle of a knifes make it in handle of a knife guiding sheath slides forwards, thereby make the push broach head enter cutter head insurance sheath, stretching into human body with the finger of fingerstall moves under water and organizes in the lacuna, finger tip touches searching perception destination organization with referring to abdominal part, finger tip or refer to abdominal part contact target tissue after, move slightly finger, make cutter head insurance sheath nearside handle of a knife near destination organization, other fingers pull back handle of a knife, make the push broach head deviate from cutter head insurance sheath, and make blade certain interval occur with insuring between the sheath, mobile push broach makes this gap hold destination organization, other finger push handle of a knifes make push broach sword cutting destination organization, cut completely, it is terminal that other fingers continue to promote handle of a knifes, makes the push broach head enter cutter head insurance sheath, withdraw to move under water with the finger of fingerstall and organize lacuna, this utility model is also withdrawn from finger.Reach like this under finger stereognosis guiding push broach is accurately operated destination organization, and entering or withdrawing from the purpose that is difficult for surrounding tissue is caused accidental injury when moving under water interstice.

The beneficial effects of the utility model are, can guarantee to be difficult for accidentally injuring in the situation of its hetero-organization, accurately and quickly destination organization are carried out cutting operation, and are easy to use, simple in structure.

Description of drawings

Below in conjunction with drawings and Examples this utility model is further specified.

Accompanying drawing is the cutaway view of an embodiment of this utility model.

Fig. 1 is the anterior view view, and Fig. 2 is that reverse side is seen view, and Fig. 3 is that view is seen in the side, and Fig. 4 is top sight view, and Fig. 5 is the norma basilaris view;

Each several part is in the accompanying drawing: 1.. fingerstall; 2.. the push broach head; 3.. the push broach sword; 4.. handle of a knife; 5.. push broach head insurance sheath; 6.. handle of a knife guiding sheath.

The specific embodiment

In accompanying drawing utility model embodiment, 1. fingerstall is gone up with the push broach head insurance sheath of push broach and 5. 6. is connected with handle of a knife guiding sheath, user is placed in fingerstall on the finger, 4. other finger push handle of a knifes of user make it in 6. slides forwards of handle of a knife guiding sheath, until 5. 2. the push broach head enter push broach head insurance sheath, stretching into human body with the finger of fingerstall moves under water and organizes in the lacuna, finger tip touches searching perception destination organization with referring to abdominal part, perception finger tip or when referring to that the abdominal part contact target is organized, move slightly finger, make push broach head insurance sheath 5. the nearside handle of a knife 4. near destination organization, 4. other fingers pull back handle of a knife, make the push broach sword 3. deviate from push broach head insurance sheath 5., and make the push broach sword 3. and push broach head insurance sheath certain interval appears between 5., mobile push broach makes this gap hold destination organization, 4. other finger push handle of a knifes make the push broach sword 3. cut destination organization, cut complete, it is 4. terminal that other fingers continue to promote handle of a knife, make the push broach head 2. enter push broach head insurance sheath 5., withdraw to move under water with the finger of fingerstall and organize lacuna, this utility model is also withdrawn from finger.Can guarantee that so push broach accurately operates destination organization under the guiding of finger stereognosis, and surrounding tissue is difficult for causing accidental injury.

Claims (1)

1. a cover refers to insure push broach, comprises fingerstall, push broach, push broach head insurance sheath, handle of a knife guiding sheath, it is characterized in that: fingerstall is connected with push broach head insurance sheath, handle of a knife guiding sheath.

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