CN209847308U - Oval forceps - Google Patents

Abstract

The utility model discloses an oval pincers, include pincers handle, pincers neck, pincers handle, pincers neck pass through the tensile subassembly assembly. The utility model discloses simple structure through the mode of adjusting whole length for a pliers can mention the pliers of many different specifications, thereby reduce hospital's purchasing cost, improve doctor's efficiency of performing the operation.

Description

Oval forceps

Technical Field

The utility model relates to a pair of oval forceps, in particular to a pair of oval forceps with adjustable length.

Background

The oval forceps is a tool, the handle of the forceps is provided with two rings, fingers are sleeved into the rings when the forceps are used, and the lower end (object holding end) of the forceps is provided with two small rings which can be used for clamping a knife, scissors, the forceps, the tweezers, a treatment bowl, a bent disc and the like.

In actual use, because everyone's physiological structure is different, the required length of oval pincers is also different, just need prepare the oval pincers of multiple specification this time, and this kind of mode has increased equipment purchasing cost at first, and secondly still makes the doctor need constantly match the oval pincers of different specifications when using, wastes time and energy. For example, when a uterine operation is performed, the operation is performed by clamping an artery with the oval forceps, and in the process, the vagina of different patients is long and short, so that the length of the oval forceps needs to be properly selected. Obviously, if a fixed length of oval forceps is used, matching the length can be quite time consuming and labor intensive and not necessarily prepared in advance, thus potentially delaying the surgical procedure.

Therefore, the applicant provides the oval forceps, the length of the oval forceps can be adjusted according to actual needs, and therefore different operation conditions can be met by only one oval forceps, the purchase cost of a hospital is reduced, the matching efficiency of doctors is improved, and operation efficiency is improved.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defects in the prior art, the present invention provides an oval forceps.

In order to achieve the purpose, the utility model provides an oval forceps, include pincers handle, pincers neck, pincers handle, pincers neck pass through the tensile subassembly assembly.

Preferably, the stretching assembly comprises an anti-slip sleeve, a hollow threaded inner cavity is formed in the anti-slip sleeve, the threaded inner cavity is fixedly assembled with the forceps neck and one end of the forceps handle through threads in a screwing mode, and anti-slip threads are arranged on the outer surface of the anti-slip sleeve.

Preferably, the stretching assembly comprises an adjusting groove arranged on the forceps handle, the adjusting groove is fixedly assembled with one end of an adjusting rod, the other end of the adjusting rod is fixedly connected with one end of a forceps neck, and a jaw is arranged at the other end of the forceps neck; the two forceps handles and the two forceps necks are respectively arranged, and the two forceps handles are hinged through a hinge pin; a clamping block is arranged at one end of the adjusting rod, which is far away from the clamp neck, and the section of the clamping block is provided with a long shaft end and a short shaft end; the adjusting rod is also provided with a locking groove, the locking groove is tightly assembled with a locking bulge, the locking bulge is fixed at one end of a screw rod part of the third screw, and the other end of the screw rod part penetrates through the clamp handle and then is connected and fixed with the screw cap; the screw rod part and the clamp handle are assembled in a screwing way through threads; the adjusting groove inner wall on be provided with the draw-in groove, the draw-in groove have a plurality ofly, and can with chucking piece chucking assembly, when chucking piece and draw-in groove chucking assembly, the locking is protruding just right with the locking groove.

Preferably, the jaw is of an annular structure, and a grid-shaped structure can be arranged in the annular structure; the grid shape can be made of relatively soft elastic material; the mesh structure can avoid unsmooth circulation of blood vessels of tissues at the forceps holder and prevent the tissues from being necrotic.

Preferably, the forceps neck is fixed with an anti-slip sleeve, and the anti-slip sleeve is made of anti-slip materials.

Preferably, the tong neck is provided with an anti-skidding groove, the anti-skidding sleeve is fixed in the anti-skidding groove, and the outer surface of the anti-skidding sleeve is not lower than the side surface of the tong neck.

Preferably, the anti-slip sleeve is provided with a fracture part, the anti-slip sleeve is cut through the fracture part to form two fracture surfaces, the two fracture surfaces are tightly attached to each other, a first screw and a second screw are respectively arranged at positions close to the two fracture surfaces, and the first screw and the second screw respectively penetrate through the anti-slip sleeve and are screwed with the inner side of the anti-slip groove through threads to fix the anti-slip sleeve.

Preferably, the gap between the anti-slip sleeve and the anti-slip groove is sealed by vaseline.

Preferably, the adjusting groove is provided with a yielding groove at the position corresponding to the locking protrusion, and the yielding groove can enable the locking protrusion to be completely installed.

Preferably, the forceps handle is provided with an indication strip near the end face of one end provided with the adjusting groove, and the adjusting rod is provided with a scale strip.

Preferably, the scale strip is provided with scales corresponding to the clamping blocks and the clamping grooves.

Preferably, the clamping groove is composed of an arc surface, a first elliptic arc surface and a second elliptic arc surface, and the first elliptic arc surface and the second elliptic arc surface can be tightly attached to the outer side of the clamping block and the outline of the clamping block is attached to the outer side of the clamping block;

the first elliptic arc surface and the second elliptic arc surface are provided with a limiting table therebetween, and the limiting table is used for limiting the rotation position of the clamping block.

The utility model has the advantages that: the utility model discloses simple structure through the mode of adjusting whole length for a pliers can mention the pliers of many different specifications, thereby reduce hospital's purchasing cost, improve doctor's efficiency of performing the operation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic view of the end face structure of the clamp handle of the present invention.

Fig. 4 is a schematic view of the end face structure of the adjusting rod of the present invention.

Fig. 5 is a schematic view of the structure of the end face of the clamp neck of the present invention.

Fig. 6 is a structural diagram of another state at F1 in fig. 2.

Fig. 7 is a schematic view of the structure of the slot of the present invention.

Fig. 8 is a schematic view of the improved structure of the jaw of the present invention.

Fig. 9 is a schematic view of another alternative stretching assembly of the present invention.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

example one

Referring to fig. 1-7, an oval forceps comprises a forceps handle 110, a forceps neck 200, a forceps handle 110, and a forceps neck 200 assembled by a stretching assembly;

the stretching assembly comprises an adjusting groove 111 arranged on the forceps handle 110, the adjusting groove 111 is fixedly assembled with one end of an adjusting rod 210, the other end of the adjusting rod is fixedly connected with one end of a forceps neck 200, a jaw 201 is arranged at the other end of the forceps neck 200, and the jaw 201 is used for clamping a target object. Referring to fig. 8, the jaws 201 may be ring-shaped, so as to clamp the blood vessel and reduce the clamping area, thereby preventing the tissue at the clamping position from necrosis;

the number of the forceps handles and the forceps necks is two, and the two forceps handles 110 are hinged through a hinge pin 120;

an anti-slip sleeve 310 is fixed on the forceps neck 200, and the anti-slip sleeve 310 is made of an anti-slip material, such as silica gel, and can be held tightly by an operator to adjust the assembling condition of the adjusting rod and the adjusting groove. Preferably, the tong neck 200 is provided with a slip-proof groove 202, the slip-proof sleeve 310 is fixed in the slip-proof groove 202, and the outer surface of the slip-proof sleeve 310 slightly exceeds the side surface of the tong neck 200 or is flush with the side surface of the tong neck 200;

referring to fig. 2 and 5, because a certain gap is always formed between the anti-slip sleeve and the forceps neck, the gap is easy to cause germ residue and is not easy to remove, which may cause unnecessary infection in use, and therefore, the applicant makes the following improvements:

the anti-skid sleeve 310 is provided with a cutting opening 311, the anti-skid sleeve 310 is cut through the cutting opening 311 to form two sections, the two sections are tightly attached, a first screw 321 and a second screw 322 are respectively arranged at positions close to the two sections, and the first screw 321 and the second screw 322 respectively penetrate through the anti-skid sleeve 310 and are assembled with the inner side of the anti-skid groove 202 in a screwing mode through threads to fix the anti-skid sleeve 310;

the gap between the anti-slip sleeve 310 and the anti-slip groove 202 is sealed by vaseline. The design is convenient for the dismouting of antiskid cover on the one hand, and on the other hand also can improve the leakproofness in antiskid cover and antiskid groove, makes it more antibiotic. When the anti-slip cover 310 needs to be replaced or cleaned and sterilized, the anti-slip cover 310 can be detached only by taking out the first screw 321 and the second screw 322.

Referring to fig. 2 and 4, a clamping block 220 is arranged on one end of the adjusting rod 210 away from the caliper neck 200, the section of the clamping block can be an ellipse, and the clamping block is provided with a long shaft end 221 and a short shaft end 222;

the adjusting rod 210 is further provided with a locking groove 211, the locking groove 211 and the locking protrusion 333 are assembled and clamped, the locking protrusion 333 is fixed at one end of a screw part 332 of the third screw 330, the other end of the screw part 332 penetrates through the forceps handle 110 and then is connected and fixed with the screw cap 331, the adjusting groove 111 corresponding to the locking protrusion 333 is provided with a yielding groove 113, the yielding groove 113 can enable the locking protrusion 333 to be completely installed, and therefore the end face of the locking protrusion 333 is completely separated from the locking groove 211 after the locking protrusion 333 is installed in the yielding groove 113; this allows the locking groove to rotate in the circumferential direction.

The inner wall of the adjusting groove 111 is further provided with a plurality of clamping grooves 112, the clamping grooves 112 can be tightly assembled with the clamping block 220, when the clamping block 220 is tightly assembled with the clamping grooves 112, the locking protrusions 333 are opposite to the locking grooves 211, namely, the third screws 330 can be installed in the locking grooves 211;

the screw portion 332 and the forceps handle 110 are assembled by screwing, and the locking protrusion 333 can not pass through the threaded hole where the screw portion 332 and the forceps handle 110 are assembled. This prevents the screw portion 332 from being disengaged from the plier handle, thereby serving an anti-loss function. Preferably, the locking projection 333 is a cylinder having a diameter greater than the diameter of the threaded hole.

Referring to fig. 6, an indication strip 410 is disposed near an end surface of the forceps handle 110 at one end of the adjustment groove, a scale strip 420 is disposed on the adjustment rod 210, the indication strip 410 corresponds to the scale strip 420, and the distance that the adjustment rod is inserted into the adjustment groove can be read, and scales corresponding to the clamping blocks 220 and the clamping grooves 112 are disposed on the scale strip 420, so that when different scales correspond to the indication strip 410, the adjustment rod can be rotated to clamp and assemble the clamping blocks and the clamping grooves.

Referring to fig. 7, the clamping groove 112 is composed of an arc surface 1121, a first elliptical arc surface 1122 and a second elliptical arc surface 1124, and the first elliptical arc surface 1122 and the second elliptical arc surface 1124 can be tightly attached to the outer side of the clamping block and have contours attached to each other;

the circular arc surface 1121 is a part of a circle whose long axis end has a revolving around the intersection point of the long and short axis connecting lines of the adjustment groove 111 as the center of the circle, and is preferably 3/4 of the whole circle;

the first elliptical arc surface 1122 is an arc surface which is attached to the side surface of the adjusting groove when the adjusting block is installed in the adjusting groove and needs to be axially adjusted;

the second elliptical arc surface 1124 is an arc surface which is formed by completely clamping the adjusting block with the clamping groove after the adjusting block rotates for a certain angle and then is attached to the clamping groove;

a limiting table 1123 is arranged between the first elliptical arc surface 1122 and the second elliptical arc surface 1124, and the limiting table 1123 is used for limiting the rotation position of the clamping block, namely when the clamping block is tightly attached to the second elliptical arc surface 1124, the clamping block cannot rotate leftwards; when the clamping block is tightly attached to the first elliptical arc-shaped surface 1122, it cannot rotate to the right. Thereby realize the restriction to chucking piece turned angle to make things convenient for the operator to look for chucking piece and draw-in groove assembly position and know chucking piece and whether target in place with the draw-in groove assembly. This is an important positioning point that affects whether the third screw can be installed in the locking groove.

Fig. 1-2 show the present invention in its initial state, i.e., in use. And need adjust the utility model discloses during length, at first rotatory third screw, make the protruding 333 of locking get into the groove of stepping down, it is accurate specifically to whether the adjusting lever can rotate, then rotate adjusting lever 90, make adjusting block profile and adjusting groove profile coincidence, then the axial displacement adjusting lever, make whole pliers reach the length that needs, the rethread instructs the strip to correspond with the scale, find the draw-in groove that accords with this length most suitable, then reverse rotation adjusting lever 90, until the rotation is motionless, chucking piece and draw-in groove chucking this moment, then reverse rotation third screw, it can to get into the groove of stepping down and the third screw resets until the protruding 333 of locking.

Example two

Referring to fig. 9, another structure of the stretching assembly is shown, the stretching assembly includes an anti-slip sleeve 310, a hollow threaded inner cavity 311 is formed inside the anti-slip sleeve 310, the threaded inner cavity 311 is screwed and assembled with the forceps neck 200 and one end of the forceps handle 110 through threads, and anti-slip threads are formed on the outer surface of the anti-slip sleeve 310.

When the length of the whole pliers needs to be adjusted, the anti-slip sleeve 310 only needs to be rotated to have different assembly lengths with the pliers neck 200 and the pliers handle 110.

The details of the present invention are well known to those skilled in the art.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims (8)

1. The utility model provides an oval pincers, includes pincers handle, pincers neck, characterized by: the clamp handle and the clamp neck are assembled through a stretching assembly;

the stretching assembly comprises an adjusting groove arranged on the forceps handle, the adjusting groove is fixedly assembled with one end of an adjusting rod, the other end of the adjusting rod is fixedly connected with one end of a forceps neck, and a jaw is arranged at the other end of the forceps neck; the two forceps handles and the two forceps necks are respectively arranged, and the two forceps handles are hinged through a hinge pin;

a clamping block is arranged at one end of the adjusting rod, which is far away from the clamp neck, and the section of the clamping block is provided with a long shaft end and a short shaft end;

the adjusting rod is also provided with a locking groove, the locking groove is tightly assembled with a locking bulge, the locking bulge is fixed at one end of a screw rod part of the third screw, and the other end of the screw rod part penetrates through the clamp handle and then is connected and fixed with the screw cap; the screw rod part and the clamp handle are assembled in a screwing way through threads;

the inner wall of the adjusting groove is provided with a plurality of clamping grooves which can be tightly assembled with the clamping blocks, and when the clamping blocks are tightly assembled with the clamping grooves, the locking protrusions are opposite to the locking grooves;

an anti-slip sleeve is fixed on the forceps neck and made of anti-slip materials.

2. The oval forceps according to claim 1, characterized in that: the pliers neck on be provided with anti-skidding groove, anti-skidding cover fix in anti-skidding groove, and anti-skidding cover surface is not less than the pliers neck side.

3. The oval forceps according to claim 2, characterized in that: the anti-skidding sleeve is provided with a fracture, the anti-skidding sleeve is cut through the fracture to form two sections, the two sections are tightly attached to each other, a first screw and a second screw are respectively arranged at the positions close to the two sections, and the first screw and the second screw respectively penetrate through the anti-skidding sleeve and are assembled with the inner side of the anti-skidding groove in a screwing mode through threads to fix the anti-skidding sleeve.

4. The oval forceps according to claim 2 or 3, characterized in that: the gap between the anti-skid sleeve and the anti-skid groove is sealed by Vaseline.

5. The oval forceps according to claim 1, characterized in that: the adjusting groove and the locking protrusion are provided with a yielding groove at the corresponding position, and the yielding groove can enable the locking protrusion to be completely installed.

6. The oval forceps as claimed in claim 5, characterized in that: the clamp handle is provided with an indication strip near the end face of one end provided with the adjusting groove, and the adjusting rod is provided with a scale strip.

7. The oval forceps according to claim 6, wherein: the scale strip is provided with scales corresponding to the clamping blocks and the clamping grooves.

8. The oval forceps according to claim 1, characterized in that: the clamping groove is composed of an arc surface, a first elliptic arc surface and a second elliptic arc surface, and the first elliptic arc surface and the second elliptic arc surface can be tightly attached to the outer side of the clamping block and the outlines of the first elliptic arc surface and the second elliptic arc surface are attached to the outer side of the clamping block;

the first elliptic arc surface and the second elliptic arc surface are provided with a limiting table therebetween, and the limiting table is used for limiting the rotation position of the clamping block.