CN219439275U

CN219439275U - Hemorrhoidal artery ligature forceps

Info

Publication number: CN219439275U
Application number: CN202221932822.XU
Authority: CN
Inventors: 白清华; 何宝珍; 徐伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2023-08-01
Anticipated expiration: 2032-07-26

Abstract

The utility model belongs to the field of medical appliances, and in particular relates to a hemorrhoidal artery ligature forceps, which comprises two forceps arms rotatably connected, and is characterized in that: the telescopic bending part that is connected with of coupling mechanism is passed through to the one end of tong arm, the end of bending part is provided with the preforming, two preforming looks butt on the tong arm, two the tong arm is kept away from the one end of preforming is passed through canceling release mechanical system and is connected, canceling release mechanical system is used for promoting two the tong arm is closed, has the beneficial effect that can improve operation security and convenience.

Description

Hemorrhoidal artery ligature forceps

Technical Field

The utility model belongs to the field of medical appliances, and particularly relates to structural improvement of an upper hemorrhoidal artery ligature forceps.

Background

Hemorrhoids are the most common anus diseases clinically, for IV-stage hemorrhoids or incarceration hemorrhoids, internal hemorrhoids are often engorged with blood, oedema, necrosis and erosion, mucous membranes are easy to damage, and ligature of upper hemorrhoidal arteries protects mucous membranes and is a key step for preventing postoperative bleeding, however, the current ligature forceps cannot achieve the purposes, easily cause damage and reduce the safety of the operation process. In the actual operation process, doctors need to take care to avoid damaging mucous membrane, which is unfavorable for the operation.

Disclosure of Invention

The utility model aims to provide a ligature forceps for an upper hemorrhoid artery, which can improve the safety and convenience of an operation.

In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:

the hemorrhoidal artery ligature forceps comprise two forceps arms which are rotatably connected, and are characterized in that: one end of each clamp arm is connected with a bending part in a telescopic way through a connecting mechanism, the tail end of each bending part is provided with a pressing piece, and the pressing pieces on the two clamp arms are mutually abutted;

one end of each clamp arm, which is far away from the pressing piece, is connected through a reset mechanism, and the reset mechanism is used for pushing the two clamp arms to be closed.

Further, the connecting mechanism comprises a slide bar, one end of the clamp arm is provided with a slide hole matched with the slide bar, one end of the slide bar is slidably arranged in the slide hole, the other end of the slide bar is fixedly connected with the bending part, and a locking component is arranged on the slide bar and used for locking the slide bar.

Further, the locking assembly comprises a limiting rod, the limiting rod slidably penetrates through the sliding rod and is located in the radial direction of the sliding rod, limiting grooves communicated with the sliding holes are formed in two sides of the clamp arms, one ends of the limiting rod extend out of the limiting grooves, clamping pieces are fixedly arranged at the other ends of the limiting rod, the clamping pieces are connected with the limiting grooves and used for limiting the sliding rod, and the limiting rod is used for sliding so that the clamping pieces are released from limiting of the limiting grooves.

Further, the chucking spare includes the fixed block, fixed block fixed connection gag lever post one end, the fixed block sets up in one side in the spacing groove, the fixed block side is provided with first tooth portion, spacing inslot wall be provided with first tooth portion meshing's second tooth portion, the vertical distribution of second tooth portion.

Furthermore, the bending part and the planes where the two clamp arms are positioned are obliquely arranged.

Further, the outer side of the pressing piece is in an arc-shaped structure.

Further, the reset mechanism comprises a reset rod, the reset rod slidably penetrates through one of the clamp arms, one end of the reset rod penetrating through the clamp arm is fixedly connected with one end of a spring, and the other end of the spring is fixedly connected with the other clamp arm;

further, one end of the reset rod, which is far away from the spring, extends out of the clamp arm, and is in threaded connection with a nut.

The utility model has the following beneficial effects:

the ligature forceps have the advantages that the ligature forceps can effectively clamp the artery, meanwhile, the mucous membrane is prevented from being damaged, the beneficial effects of improving the safety and convenience of operation are achieved, meanwhile, the bending parts can be telescopically adjusted through the connecting mechanism, the depth of different lesions and the requirement of operation space are further met, in addition, the two forceps arms are pushed to move towards a closed state through the reset mechanism, and then the clamping state can be effectively kept after the artery is clamped, so that ligature operation is facilitated.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic side view;

FIG. 3 is a schematic cross-sectional view of the coupling mechanism;

FIG. 4 is a schematic view of first and second teeth;

fig. 5 is a schematic view of a reset mechanism.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 5 of the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. The technical means used in the examples are conventional means well known to those skilled in the art unless otherwise indicated.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The hemorrhoidal artery ligature forceps comprise two forceps arms 1 which are rotatably connected, and are characterized in that: one end of each clamp arm 1 is connected with a bending part 5 in a telescopic way through a connecting mechanism, the tail end of each bending part 5 is provided with a pressing sheet 6, and the pressing sheets 6 on the two clamp arms 1 are mutually abutted;

one end of each of the two clamp arms 1, which is far away from the pressing piece 6, is connected through a reset mechanism, and the reset mechanism is used for pushing the two clamp arms 1 to be closed.

As shown in fig. 1, the jawarms 1 in the ligature forceps for the upper hemorrhoid artery are in the prior art, and can be rotatably connected in a hinged manner and are in a scissor-type structure, in the vertical direction in the figure, the pressing sheets 6 are positioned at the top of the upper ends of the jawarms 1, the bottom of the lower ends of the jawarms 1 are provided with the finger rings 3, at the moment, the two pressing sheets 6 are in a mutually abutting and extruding state, namely, the two jawarms 1 are in a closed state, when the jawarms 1 are unfolded, the two pressing sheets 6 move towards opposite directions, and the bending parts 5 are in a bending structure so as to be convenient for clamping arteries to ligate.

When the ligature forceps are specifically implemented, the ligature forceps can be stretched into a lesion of a patient, then arteries are clamped through the two pressing sheets 6, and then ligation is performed, compared with the ligature forceps with a pointed end in the prior art, the ligature forceps can effectively clamp mucous membrane, meanwhile, damage to mucous membrane is avoided, the beneficial effects of improving operation safety and convenience are achieved, meanwhile, when the whole length of the forceps arm 1 and the depth of the bending part 5 stretching into the lesion are required to be adjusted, the bending part 5 can be telescopically adjusted through the connecting mechanism, further, the requirements of different lesion depths and operation space are met, when the ligature forceps are implemented, the length of the bending part 5 extending out is adjusted firstly, then operation is performed, in addition, the two forceps arms 1 are pushed to move towards a closed state through the reset mechanism, and then the clamping state can be effectively kept after the arteries are clamped, so that ligation operation is facilitated.

Further, the connecting mechanism comprises a slide bar 4, one end of the clamp arm 1 is provided with a slide hole 12 adapted to the slide bar 4, one end of the slide bar 4 is slidably arranged in the slide hole 12, the other end of the slide bar is fixedly connected with the bending part 5, and a locking component is arranged on the slide bar 4 and used for locking the slide bar 4.

Specifically, the slide hole 12 is arranged at the top of the clamp arm 1, the opening of the slide hole faces upwards, and the slide rod 4 is arranged vertically.

Further, the locking assembly comprises a limiting rod 7, the limiting rod 7 slidably penetrates through the sliding rod 4 and is located in the radial direction of the sliding rod 4, limiting grooves 10 communicated with sliding holes 12 are formed in two sides of the clamp arms 1, one ends of the limiting rod 7 extend out of the limiting grooves 10, clamping pieces are fixedly arranged at the other ends of the limiting rod 7 and are connected with the limiting grooves 10 to be used for limiting the sliding rod 4, and the limiting rod 7 is used for sliding so that the clamping pieces are released from limiting of the limiting grooves 10.

Specifically, the limiting rod 7 is horizontally arranged and is perpendicular to the sliding rod 4, and the limiting grooves 10 are distributed in a structure of a strip hole in the vertical direction and are communicated with the sliding hole 12.

Further, the clamping piece comprises a fixed block 8, the fixed block 8 is fixedly connected with one end of the limiting rod 7, the fixed block 8 is arranged in the limiting groove 10 on one side, a first tooth part 13 is arranged on the side face of the fixed block 8, a second tooth part 11 meshed with the first tooth part 13 is arranged on the inner wall of the limiting groove 10, and the second tooth parts 11 are vertically distributed.

As shown in fig. 3 and 4, the fixed block 8 has a cuboid structure, and is adapted to the inner side of the limit groove 10, so as to play a role in limiting, and prevent the fixed block 8 from rotating, because the second tooth portion 11 engages with the first tooth portion 13, the fixed block 8 is effectively limited in the vertical direction, when the extending length of the bending portion 5 needs to be adjusted, the limit rod 7 is pressed to extend out of one end of the limit groove 10, namely, the right end of the limit rod 7 in fig. 3, so that the fixed block 8 at the left end of the limit rod 7 slides out of the limit groove 10 at the other side, and further, the second tooth portion 11 is separated from the first tooth portion 13, at this time, the bending portion 5 can slide up and down to change the length of the whole clamp arm 1, and after the adjustment is completed, the fixed block 8 is reversely pressed, so that the fixed block 8 slides into the limit groove 10, and the second tooth portion 11 is engaged with the first tooth portion 13, and through the design of the second tooth portion 11 and the first tooth portion 13, the two extending lengths of the two portions 5 are identical in the vertical direction, and the two compression pieces 6 are bent.

In addition, slide bar 4 is provided with the through-hole with gag lever post 7 adaptation, gag lever post 7 sets up in the through-hole, and with through-hole interference fit, with prevent that gag lever post 7 from unexpected slip, one end that fixed block 8 was kept away from at gag lever post 7 is provided with the stopper 9 that is used for spacing, stopper 9's width is greater than spacing groove 10 width, like fig. 4, for convenient show, gag lever post 7 in the figure represents with the broken line part, gag lever post 7 can be the cylinder structure, also can be the cuboid bar structure, its width adaptation with spacing groove 10, and then under the effect of two spacing grooves 10, can effectively spacing slide bar 4's rotation, and then make two bending parts 5 be symmetrical structure all the time, preforming 6 can laminate.

Further, the bending portion 5 is disposed obliquely with respect to the plane on which the two jawarms 1 are located.

As shown in fig. 2, the bending portion 5 is inclined at a certain angle with respect to the plane in which the two forceps arms 1 are located, so that the artery is clamped at the affected part, and the space formed between the two bending portions 5 is also convenient for ligation operation.

Further, the outer side of the pressing sheet 6 is in an arc-shaped structure.

Specifically, the whole tabletting 6 can be in a round, oval, elliptic and other structures, so that the safety is further improved, and the mucous membrane is prevented from being damaged.

Further, the reset mechanism comprises a reset rod 14, the reset rod 14 slidably penetrates through one of the jawarms 1, one end of the reset rod penetrating through the jawarms 1 is fixedly connected with one end of a spring 2, and the other end of the spring 2 is fixedly connected with the other jawarms 1;

further, the end of the return rod 14 away from the spring 2 extends out of the jawarm 1 and is screwed with a nut 15.

As shown in fig. 5, the spring 2 is in a stretched state, and drives the two clamp arms 1 to be closed under the action of elastic force, so that an effective pressing force can be provided when an artery is clamped, the nut 15 is abutted against the clamp arms 1, the nut 15 is rotated, the length of the reset rod 14 extending out of the clamp arms 1 can be adjusted, and the tightness degree of the spring 2 is adjusted, so that the pressing force is adjusted.

In addition, two rotating rods are fixedly arranged on the nut 15, are symmetrically arranged and are of a bending structure, so that the nut 15 can be rotated through the rotating rods during specific implementation.

After the extending length of the bending part 5 is changed, the distance between the two pressing sheets 6 is increased or reduced, and the spring 2 can also push the two clamp arms 1 to be closed, so that the two pressing sheets 6 can be always in a pressed state during clamping.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications, variations, alterations, substitutions made by those skilled in the art to the technical solution of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.

Claims

1. The hemorrhoidal artery ligature forceps comprise two forceps arms (1) which are rotatably connected, and are characterized in that: one end of each clamp arm (1) is connected with a bending part (5) in a telescopic way through a connecting mechanism, the tail end of each bending part (5) is provided with a pressing sheet (6), and the pressing sheets (6) on the two clamp arms (1) are mutually abutted;

one end of each of the two clamp arms (1) far away from the pressing piece (6) is connected through a reset mechanism, and the reset mechanism is used for pushing the two clamp arms (1) to be closed.

2. The superior hemorrhoidal artery ligator of claim 1 wherein: the connecting mechanism comprises a sliding rod (4), a sliding hole (12) matched with the sliding rod (4) is formed in one end of the clamp arm (1), one end of the sliding rod (4) is slidably arranged in the sliding hole (12), the other end of the sliding rod is fixedly connected with the bending part (5), a locking assembly is arranged on the sliding rod (4), and the locking assembly is used for locking the sliding rod (4).

3. The superior hemorrhoidal artery ligator of claim 2 wherein: the locking assembly comprises a limiting rod (7), the limiting rod (7) slidably penetrates through the sliding rod (4) and is located in the radial direction of the sliding rod (4), limiting grooves (10) communicated with the sliding holes (12) are formed in two sides of the clamp arm (1), one end of the limiting rod (7) extends out of the limiting grooves (10), clamping pieces are fixedly arranged at the other end of the limiting rod, the clamping pieces are connected with the limiting grooves (10) and used for limiting the sliding rod (4), and the limiting rod (7) is used for sliding so that the clamping pieces are relieved from limiting the limiting grooves (10).

4. The superior hemorrhoidal artery ligator of claim 3 wherein: the clamping piece comprises a fixed block (8), the fixed block (8) is fixedly connected with one end of the limiting rod (7), the fixed block (8) is arranged on one side in the limiting groove (10), a first tooth part (13) is arranged on the side face of the fixed block (8), a second tooth part (11) meshed with the first tooth part (13) is arranged on the inner wall of the limiting groove (10), and the second tooth parts (11) are vertically distributed.

5. The superior hemorrhoidal artery ligator of claim 1 wherein: the bending part (5) and the planes where the two clamp arms (1) are positioned are obliquely arranged.

6. The superior hemorrhoidal artery ligator of claim 1 wherein: the outer side of the pressing sheet (6) is in an arc-shaped structure.

7. The superior hemorrhoidal artery ligator of claim 1 wherein: the reset mechanism comprises a reset rod (14), wherein the reset rod (14) slidably penetrates through one of the clamp arms (1), one end of the reset rod, which penetrates through the clamp arm (1), is fixedly connected with one end of a spring (2), and the other end of the spring (2) is fixedly connected with the other clamp arm (1);

the end of the reset rod (14) far away from the spring (2) extends out of the clamp arm (1), and is in threaded connection with a nut (15).