CN213372398U - Rotatable foreign matter pincers - Google Patents

Abstract

The utility model relates to a pair of rotatable foreign body pliers, which comprises a connecting piece, wherein the rear end of the connecting piece is fixedly connected with a spring tube; the front end of the forceps head frame is connected with a pair of forceps heads in a rotating mode through a pin shaft, and the rear end of the forceps head frame is inserted into the front end of the connecting piece and forms rotating fit with the connecting piece; and the front end of the inhaul cable penetrates through the spring pipe and the connecting piece and extends into the forceps head frame, the rear ends of the two forceps heads are respectively provided with a connecting rod, the rear ends of the two connecting rods are connected with push rods in a switching mode, and the push rods are connected with the front end of the inhaul cable. The clamp head, the clamp head frame and the two clamp heads can be driven to rotate through the rotating inhaul cable, so that the foreign body clamp is convenient to sample.

Description

Rotatable foreign matter pincers

Technical Field

The utility model relates to a medical product field, concretely relates to rotatable foreign matter pincers.

Background

At present, the foreign body in the alimentary canal is a common emergency, and along with the development of endoscopic instruments and diagnostic techniques and the improvement of the operation level of an endoscopic doctor, the foreign body taking-out operation under the endoscope has the advantages of simple and convenient operation, small wound, low cost and the like, and gradually becomes a preferred treatment method for taking out the foreign body in the alimentary canal, and the foreign body forceps for the endoscope are main surgical instruments for the foreign body taking-out operation under the endoscope, and have wide market prospect.

The existing foreign body forceps are shown in fig. 1 and comprise a forceps head frame 10, forceps heads 12, connecting rods 13, push rods, spring pipes 11 and pull cables, wherein the front ends of the spring pipes are fixedly connected with the rear ends of the forceps head frame, the front ends of the forceps head frame are connected with the forceps heads in a switching mode, the front ends of the pull cables penetrate through the spring pipes and extend into the forceps head frame, the front ends of the pull cables are connected with the push rods, the push rods are connected with a pair of connecting rods, the two connecting rods are connected with the forceps heads, and the forceps heads are driven to rotate through the pull cables; current foreign matter pincers do not possess the rotation function, and the binding clip is relative to the spring pipe can't realize rotatoryly, after the binding clip stretched into the human body, can influence the foreign matter pincers to some narrow angles and carry out the foreign matter and take out.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide a rotatable foreign matter pincers, solve in the past the sampling forceps because of can not rotate to influence the problem that the foreign matter was taken out.

The utility model provides a technical scheme that its technical problem adopted is: a rotatable foreign body forceps comprises

The rear end of the connecting piece is fixedly connected with the spring tube;

the front end of the forceps head frame is connected with a pair of forceps heads in a rotating mode through a pin shaft, and the rear end of the forceps head frame is inserted into the front end of the connecting piece and forms rotating fit with the connecting piece; and

the front end of the stay cable penetrates through the spring pipe and the connecting piece and extends into the forceps head frame, the rear ends of the two forceps heads are respectively provided with a connecting rod, the rear ends of the two connecting rods are connected with push rods in a switching mode, and the push rods are connected with the front end of the stay cable.

Furthermore, the connecting piece comprises a tubular connecting body, a front cavity and a rear cavity are arranged in the connecting body, and a step bayonet is formed between the rear end of the front cavity and the front end of the rear cavity; the rear cavity is suitable for being inserted into the spring tube so as to fixedly connect the spring tube with the connecting body;

the connecting body is provided with a pair of longitudinal cutting grooves, and the cutting grooves extend from the front cavity to the rear cavity and are suitable for enabling the front cavity to elastically deform in the radial direction.

Further, the front end opening of the front cavity forms an inner conical surface used for being matched with the forceps head frame.

Furthermore, the binding clip frame comprises an inserting cylinder section and a pair of connecting arms, the rear ends of the two connecting arms are fixedly connected with the inserting cylinder section, and the front ends of the two connecting arms are provided with pin holes suitable for being in rotary connection with the binding clip;

the front end of the inserting cylinder section forms a front baffle ring, the rear end forms a rear baffle ring, and an annular groove is formed between the front baffle ring and the rear baffle ring;

the inserting cylinder section of the forceps head frame is inserted into the front cavity of the connecting body, and the front retaining ring and the rear retaining ring are respectively clamped at the front end and the rear end of the front cavity.

Furthermore, an outer conical surface used for being matched with the connecting piece is formed on the rear baffle ring.

The utility model has the advantages that:

the utility model provides a rotatable foreign matter pincers can drive binding clip, binding clip frame, two binding clips through rotatory cable and do the rotation, make the foreign matter pincers be convenient for the foreign matter take out.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

FIG. 1 is a schematic view of a prior art foreign body forceps;

wherein, 10, a forceps head frame, 11, a spring tube, 12, forceps heads, 13 and a connecting rod;

FIG. 2 is a schematic view of the foreign body forceps of the present invention;

FIG. 3 is a half-sectional view of the foreign body forceps of the present invention;

FIG. 4 is a perspective view of the connector;

FIG. 5 is a half-sectional view of the connector;

FIG. 6 is a schematic view of a jaw frame;

FIG. 7 is a half-sectional view of the jaw frame;

the clamp comprises a spring pipe 1, a spring pipe 2, a clamp head 3, a pull rope 4, a push rod 5, a connecting rod 6, a clamp head frame 61, a connecting arm 62, a plug cylinder section 63, a rear retaining ring 64, a front retaining ring 7, a connecting piece 71, a front cavity 72, a rear cavity 73, a cutting groove 74 and an inner conical surface.

Detailed Description

The invention will now be further described with reference to the accompanying drawings. The drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.

As shown in figures 2 to 7, a rotatable foreign body forceps comprises

The rear end of the connecting piece 7 is fixedly connected with the spring tube 1;

the front end of the forceps head frame 6 is connected with a pair of forceps heads 2 in a rotating mode through a pin shaft, and the rear end of the forceps head frame 6 is inserted into the front end of the connecting piece 7 and forms rotating fit with the connecting piece 7; and

the front end of the inhaul cable 3 penetrates through the spring pipe 1 and the connecting piece 7 and extends into the forceps head frame 6, the rear ends of the two forceps heads 2 are respectively provided with a connecting rod 5, the rear ends of the two connecting rods 5 are connected with push rods 4 in a switching mode, and the push rods 4 are connected with the front end of the inhaul cable 3.

Specifically, in this embodiment, as shown in fig. 4 and 5, the connecting piece 7 includes a tubular connecting body, a front cavity 71 and a rear cavity 72 are formed in the connecting body, and a stepped bayonet is formed between the rear end of the front cavity 71 and the front end of the rear cavity 72; the rear cavity 72 is suitable for inserting the spring tube 1 so as to fixedly connect the spring tube 1 with the connecting body; the connecting body is provided with a pair of longitudinal slots 73, said slots 73 extending from the front chamber 71 to the rear chamber 72 and being adapted to allow the radial elastic deformation of the front chamber 71.

Specifically, in this embodiment, the front end of the front cavity 71 forms an inner tapered surface 74 for engaging with the forceps head holder 6.

Specifically, in the present embodiment, as shown in fig. 6 and 7, the forceps head frame 6 includes a plug-in cylinder section 62 and a pair of connecting arms 61, rear ends of the two connecting arms 61 are fixedly connected to the plug-in cylinder section 62, and front ends of the two connecting arms 61 are provided with pin holes suitable for forming a rotational connection with the forceps head 2;

the front end of the inserting cylinder section 62 forms a front baffle ring 64, the rear end forms a rear baffle ring 63, and an annular groove is formed between the front baffle ring 64 and the rear baffle ring 63; the inserting cylinder section 62 of the forceps head frame 6 is inserted into the front cavity 71 of the connecting body, and the front retaining ring 64 and the rear retaining ring 63 are respectively clamped at the front end and the rear end of the front cavity 71.

Specifically, in this embodiment, the backstop ring 63 is formed with an outer tapered surface for engaging with the connecting member 7.

The front end of the spring tube 1 is inserted into the rear cavity 72 of the connecting piece 7 and then welded and fixed, the inserting cylinder section 62 of the forceps head frame 6 is inserted into the front cavity 71 of the connecting piece 7, when the inserting cylinder section 62 is inserted, the front cavity 71 of the connecting piece 7 starts to expand radially by means of the cutting groove 73, so that the inserting cylinder section 62 is inserted, then the rear baffle ring 63 is just clamped in the step bayonet in the connecting piece 7, thereby limiting the forceps head frame 6 to be separated from the connecting piece 7, after connection is completed, the forceps head frame 6 can rotate on the connecting piece 7, thereby rotating the two forceps heads 2 installed on the forceps head frame 6, the guy cable 3 is connected with the forceps heads 2 through the push rod 4 and the connecting rod 5, when the doctor drives the guy cable 3 to rotate through an external handle, the forceps heads 2 and the forceps head frame 6 can be driven to rotate through the gu.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (5)

1. A rotatable foreign body forceps is characterized by comprising

The rear end of the connecting piece is fixedly connected with the spring tube;

the front end of the forceps head frame is connected with a pair of forceps heads in a rotating mode through a pin shaft, and the rear end of the forceps head frame is inserted into the front end of the connecting piece and forms rotating fit with the connecting piece; and

the front end of the stay cable penetrates through the spring pipe and the connecting piece and extends into the forceps head frame, the rear ends of the two forceps heads are respectively provided with a connecting rod, the rear ends of the two connecting rods are connected with push rods in a switching mode, and the push rods are connected with the front end of the stay cable.

2. The rotatable foreign object forceps of claim 1,

the connecting piece comprises a tubular connecting body, a front cavity and a rear cavity are arranged in the connecting body, and a step bayonet is formed between the rear end of the front cavity and the front end of the rear cavity; the rear cavity is suitable for being inserted into the spring tube so as to fixedly connect the spring tube with the connecting body;

the connecting body is provided with a pair of longitudinal cutting grooves, and the cutting grooves extend from the front cavity to the rear cavity and are suitable for enabling the front cavity to elastically deform in the radial direction.

3. The rotatable foreign object forceps of claim 2,

the front end opening of the front cavity forms an inner conical surface matched with the forceps head frame.

4. Rotatable foreign-body forceps according to claim 1, 2 or 3,

the binding clip frame comprises an inserting cylinder section and a pair of connecting arms, the rear ends of the two connecting arms are fixedly connected with the inserting cylinder section, and the front ends of the two connecting arms are provided with pin holes suitable for being in rotary connection with the binding clip;

the front end of the inserting cylinder section forms a front baffle ring, the rear end forms a rear baffle ring, and an annular groove is formed between the front baffle ring and the rear baffle ring;

the inserting cylinder section of the forceps head frame is inserted into the front cavity of the connecting body, and the front retaining ring and the rear retaining ring are respectively clamped at the front end and the rear end of the front cavity.

5. The rotatable foreign-matter forceps of claim 4,

and an outer conical surface matched with the connecting piece is formed on the rear baffle ring.

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