CN217696734U

CN217696734U - Lymph node forceps

Info

Publication number: CN217696734U
Application number: CN202221362749.7U
Authority: CN
Inventors: 俞存
Original assignee: Hangzhou Chuangmeng Medical Equipment Co ltd
Current assignee: Hangzhou Chuangmeng Medical Equipment Co ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-11-01
Anticipated expiration: 2032-06-02

Abstract

The utility model discloses a lymph gland forceps, it includes tong pole I and tong pole two, the one end of tong pole I is equipped with decides the handle, decide handle and tong pole one fixed connection and form integratively, the other end of tong pole I is equipped with movable binding clip, the one end of tong pole two is equipped with movable handle, movable handle rotates with tong pole two to be connected, the other end of tong pole two is equipped with and is the deciding binding clip of longitudinal symmetry distribution with movable binding clip, decide the one end of binding clip and two fixed connection of tong pole and form integratively, tong pole one under the drive of movable handle with two sliding connection of tong pole, the one end of activity binding clip rotates with one of tong pole under the drive of movable handle and is connected, the other end of activity binding clip and the other end shape of deciding the binding clip are spoon form and constitute football shape after both interlock each other, be fixed with the box on the fixed handle, be fixed with the son on the movable handle and detain, the box detain with the son detain each other lock and the elasticity of lock is adjustable. The utility model has the advantages that: the purpose of not easily shielding the sight is achieved.

Description

Lymph node forceps

Technical Field

The utility model relates to a lymph gland pincers correlation technique field especially indicates a lymph gland pincers.

Background

The lymph node forceps are mainly used for clamping or grabbing lymph node tissues and in-vivo foreign bodies or other pathological tissues and used for pathological sampling analysis, and are also called lymph node grasping forceps or lymph node clamping forceps.

The Chinese patent application number is CN212521856U, the granted announcement date is 2021, 2 and 12, and discloses a sliding plate type lymph node forceps for surgery, which comprises a forceps body, wherein the rear end of the forceps body is fixedly connected with a first forceps handle and a second forceps handle matched with the first forceps handle in a hinged mode, the front end of the forceps body is hinged with a first forceps head, and the side face of the forceps body is connected with a sliding plate in a sliding mode along the axial direction of the forceps body; the rear end of the sliding plate is in transmission connection with a second clamp handle, the front end of the sliding plate is fixedly connected with a second clamp head, and the second clamp handle is hinged with the front end of the sliding plate; the inner sides of the first binding clip and the second binding clip are provided with annular saw teeth which are engaged with each other.

As can be seen from the above patent and the corresponding figures, the forceps head of the lymph node forceps is circular, and firstly, the forceps head is heavy; secondly, it is easy for the operator to block the view during the operation; thirdly, the utility model is not beneficial to separating smaller blood vessels, so the utility model can not replace hemostatic forceps to separate blood vessels, and has single function.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lymph gland forceps which is not easy to shelter from sight line in order to overcome the defect that the lymph gland forceps shelter from sight line easily in the operation process in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a lymph gland clamp comprises a first clamp rod and a second clamp rod, wherein one end of the first clamp rod is provided with a fixed handle, the fixed handle is fixedly connected with and integrated with the first clamp rod, the other end of the first clamp rod is provided with a movable clamp head, one end of the second clamp rod is provided with a movable handle, the movable handle is rotatably connected with the second clamp rod, the other end of the second clamp rod is provided with fixed clamp heads which are vertically and symmetrically distributed with the movable clamp heads, one end of each fixed clamp head is fixedly connected with and integrated with the second clamp rod, the first clamp rod is in sliding connection with the second clamp rod under the driving of the movable handle, one end of each movable clamp head is rotatably connected with one clamp rod under the driving of the movable handle, the other end of each movable clamp head and the other end of the fixed clamp head are spoon-shaped and form a football shape after being mutually occluded with each other, a female buckle is fixed on the fixed handle, a male buckle is fixed on the movable handle, and the female buckle and the male buckle are mutually buckled, and the tightness of the female buckle can be adjusted.

The improved multifunctional pliers are characterized in that a fixed handle is arranged at one end of a first pliers rod, the fixed handle is fixedly connected and integrated with a first pliers rod, a movable pliers head is arranged at the other end of the first pliers rod, a movable handle is arranged at one end of a second pliers rod, the movable handle is rotatably connected with the second pliers rod, fixed pliers heads which are vertically and symmetrically distributed with the movable pliers head are arranged at the other end of the second pliers rod, one end of each fixed pliers head is fixedly connected and integrated with the second pliers rod, the first pliers rod is in sliding connection with the second pliers rod under the driving of the movable handle, one end of each movable pliers head is rotatably connected with one pliers rod under the driving of the movable handle, the other end of each movable pliers head and the other end of the fixed pliers head are spoon-shaped and form a rugby-ball shape after being mutually meshed with each other, a female buckle is fixed on the fixed handle, a male buckle is fixed on the movable handle, and the female buckle and the male buckle are mutually buckled, and the tightness of the female buckle can be adjusted. The first forceps rod and the second forceps rod are always positioned in the surgical incision in the surgical process, so that an operator operates the movable handle to rotate, and the movable forceps heads are driven to rotate by the sliding of the first forceps rod relative to the second forceps rod, so that the two forceps heads can clamp lesion tissues, the surgical incision can be protected from being enlarged, and the wound can be reduced; the female buckle and the male buckle are mutually buckled and adjustable, so that lesion tissues with different sizes can be clamped conveniently, positioning after clamping by the two forceps heads is facilitated, and the lesion tissues are prevented from being separated from the forceps heads; the other end of activity binding clip and the other end shape of deciding the binding clip are spoon form and constitute football shape after both interlock each other, compare more dexterous with circular binding clip, the field of vision is good, the mesh of the sight of having reached difficult sheltering from, simultaneously because football shape's tip diameter is less, play fine guide effect to vascular separation, do benefit to vascular separation, thereby make this lymph node forceps can replace hemostatic forceps to separate the blood vessel, functional strong, in addition, the weight has been lightened, make lymph node forceps light weight more, do benefit to the hand and control.

Preferably, one side of the movable binding clip is close to the fixed binding clip, the other side corresponding to the movable binding clip is far away from the fixed binding clip, and two ends of one side of the movable binding clip close to the fixed binding clip are gradually sunken towards the center. The design ensures that a gap is formed between the middle parts of the movable tong head and the fixed tong head, and on one hand, the movable tong head and the fixed tong head can be conveniently deformed correspondingly by adjusting the fastening tightness of the female buckle and the male buckle, so that the adjustment of the fastening tightness between the movable tong head and the fixed tong head is facilitated, and lesion tissues with different sizes can be conveniently clamped; on the other hand, the weight of the forceps head part is reduced, so that the lymph node forceps are further lightened, and hand control is facilitated; in addition, when the movable forceps head and the fixed forceps head mutually act to clamp the pathological tissue, the pain of a patient can be reduced, and the pain can be relieved.

Preferably, the other end of the movable tong head is provided with a plurality of uniformly distributed occlusion teeth, the other end of the fixed tong head is provided with a plurality of occlusion grooves matched with the occlusion teeth, and the edges of the occlusion teeth and the occlusion grooves are provided with smooth arc transition surfaces. The design does benefit to movable binding clip and the mutual interlock of deciding the binding clip on the one hand and can centre gripping pathological change tissue, through the effect in interlock tooth and interlock groove, has increased the frictional force between pathological change tissue and the binding clip, is favorable to improving the centre gripping effect, simultaneously, the circular arc transition surface on interlock tooth and the interlock groove for when two binding clips carry out the centre gripping to pathological change tissue, can not cause the damage to it, do benefit to the protection pathological change tissue and not destroyed.

Preferably, the other end of the movable tong head is bent towards one side perpendicular to the rotating plane of the movable handle to form an obtuse angle with one end of the movable tong head, and the bent part on the movable tong head is arc-shaped. The binding clip is bent through the obtuse angle and is handled, is favorable to improving the operating range of binding clip, and simultaneously, the design of department of bending is the arc, is favorable to protecting the human body, improves the security performance.

Preferably, the aspect ratio of the end of the other end of the movable binding clip to the bending part of the movable binding clip is 3:1.

preferably, the one end of deciding the handle and the one end of activity handle all are equipped with the finger circle, the other end of deciding the handle and a tong bar fixed connection and form an organic whole, the other end of activity handle is equipped with articulated slab one, the one end of articulated slab one and the tip fixed connection of activity handle just form an organic whole, be equipped with on the tong bar two with articulated slab one end assorted open slot one, the other end of articulated slab one is located the side of activity handle, be equipped with on the tong bar one with articulated slab one the other end assorted rotate the groove, the both ends of articulated slab one all are equipped with and rotate round pin one, articulated slab one rotates with open slot one and rotation groove respectively through the rotation round pin one at both ends and is connected. When an operator operates the movable handle to rotate, the first hinge plate synchronously rotates and enables the first clamping lever and the second clamping lever to relatively slide through the first rotating pins at the two ends.

Preferably, one end of the movable binding clip is provided with a hinged plate II, the hinged plate II is fixedly connected with the movable binding clip and forms a whole, the movable binding clip is positioned on one end side face of the hinged plate II, the first binding clip is provided with an open slot II matched with one end of the hinged plate II, the second binding clip is provided with a rotating hole matched with the other end of the hinged plate II, two ends of the hinged plate II are respectively provided with a rotating pin II, the hinged plate II is respectively and rotatably connected with the open slot II and the rotating hole through the rotating pins II at the two ends, the first binding clip, the second binding clip, the first hinged plate and the hinged plate II form a parallelogram, and the two rotating pins I and the two rotating pins II respectively form four vertex angles of the parallelogram. After the first clamp rod and the second clamp rod slide relatively, the second hinge plate is driven to rotate synchronously through the second rotating pins at the two ends of the second hinge plate, so that the movable clamp head is driven to rotate, and the function of clamping lesion tissues by the movable clamp head and the fixed clamp head is realized.

As preferred, the shape structure homoenergetic that box and son were detained is the same, the son is detained including the rectangle rack, the tip of rectangle rack and the lateral wall fixed connection of activity handle and form an organic whole, be equipped with a plurality of rows of teeth along its length direction evenly distributed on the rectangle rack, the shape of cross section of row of teeth is triangle-shaped, the bottom and the rectangle rack fixed connection of row of teeth, the top of row of teeth inclines towards one side of activity handle on the activity handle, the top of row of teeth inclines towards one side of deciding the handle on deciding the handle, the row of teeth on the activity handle with decide the mutual lock of row of teeth on the handle. After the movable tong head and the fixed tong head clamp the pathological tissues, the tooth rows on the movable handle and the tooth rows on the fixed handle are buckled with each other, so that the stability in clamping is improved; the structural design of the tooth row is favorable for the tooth row on the movable handle to be buckled and separated with the tooth row on the fixed handle, and the tightness is convenient to adjust and operate.

As another preferred mode, the shape of box is cylindrical, the one end of box just forms an organic whole with the lateral wall fixed connection of deciding the handle, the other end of box is equipped with the recess, be equipped with a plurality of spacing ring in the recess, the lateral wall of spacing ring and the lateral wall fixed connection of recess, a plurality of spacing ring along the length direction evenly distributed of box, constitute the spacing groove between every two adjacent spacing rings, the bottom of recess is close to the one end of spacing ring, the bottom of recess is kept away from to the other end of spacing ring, the internal diameter of spacing ring is crescent from its one end that is close to the recess bottom to the other end, the one end of son knot just forms an organic whole with the lateral wall fixed connection of activity handle, the outside protruding buckle that forms of the other end outward with spacing groove assorted buckle of outward of son knot, the cross sectional shape of buckle is semi-circular, the other end center of son knot is equipped with V type kayser mouth. A plurality of limiting rings are arranged in the groove, a limiting groove is formed between every two adjacent limiting rings, and the limiting grooves at different positions are matched with the sub-buckles, so that the tightness is convenient to adjust; the inner diameter of the limiting ring is gradually increased from one end, close to the bottom of the groove, to the other end, and a good guiding effect is achieved when the sub-buckle is inserted into the limiting groove; the outer edge of the other end of the sub buckle protrudes outwards to form a retaining ring matched with the limiting groove, the cross section of the retaining ring is semicircular, and the design of the V-shaped split opening enables the other end of the sub buckle to deform correspondingly in the plugging and unplugging process, so that a good guiding effect is achieved on the plugging and unplugging of the sub buckle, and the convenience of tightness adjusting operation is further improved.

Preferably, the outer diameter of the retaining ring is larger than the inner diameter of one end, close to the bottom of the groove, of the limiting ring, and the outer diameter of the retaining ring is smaller than the inner diameter of one end, far away from the bottom of the groove, of the limiting ring. The design is convenient for the sub-buckle to be inserted into the limiting ring and clamped in the limiting groove.

The utility model has the advantages that: the operation incision is protected from being enlarged, and the wound is reduced; the clamping of lesion tissues with different sizes is facilitated, and the positioning after the clamping of the two forceps heads is facilitated, so that the lesion tissues are prevented from being separated from the forceps heads; the visual field is good, and the purpose of not easily blocking the sight is achieved; the lymph node forceps have a good guiding effect on the separation of blood vessels, and are beneficial to the separation of the blood vessels, so that the lymph node forceps can replace hemostatic forceps to separate the blood vessels, and the function is strong; the weight is reduced, so that the lymph node forceps are lighter and are beneficial to hand control; the pain of the patient can be reduced, and the pain can be reduced; the clamping effect of the forceps head is improved, and meanwhile, the pathological change tissues are protected from being damaged; the operation range of the binding clip is favorably widened, and meanwhile, the bending part is designed to be arc-shaped, so that the human body is favorably protected, and the safety performance is improved; the stability of the clamping of the binding clip is improved; the convenience of the tightness adjusting operation is further improved.

Drawings

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

FIG. 2 is a schematic structural view of the movable pliers head when opened;

FIG. 3 is a second schematic structural view of the present invention;

FIG. 4 is a bottom view of FIG. 1;

FIG. 5 is a schematic structural view of the movable clamp head;

FIG. 6 is an enlarged view of the structure at B in FIG. 1;

FIG. 7 is an enlarged view of the structure at C in FIG. 2;

FIG. 8 is an enlarged view of the structure at D in FIG. 2;

FIG. 9 is an enlarged view of the structure at A in FIG. 1;

fig. 10 is an enlarged view of the structure at E in fig. 3.

In the figure: 1. the clamp comprises a first clamp rod, a second clamp rod, a 3-fixed handle, a 4-movable clamp head, a 5-movable handle, a 6-fixed clamp head, a 7-female buckle, a 8-male buckle, a 9-meshing tooth, a 10-meshing groove, a 11-finger ring, a 12-hinged plate I, a 13-open groove I, a 14-rotating groove, a 15-rotating pin I, a 16-hinged plate II, a 17-open groove II, a 18-rotating hole, a 19-rotating pin II, a 20-rectangular rack, a 21-tooth row, a 22-groove, a 23-limiting ring, a 24-limiting groove, a 25-retaining ring and a 26-V-shaped opening.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1, 2, 3 and 4, a lymph node forceps comprises a first forceps rod 1 and a second forceps rod 2, wherein one end of the first forceps rod 1 is provided with a fixed handle 3, the fixed handle 3 is fixedly connected with and integrated with the first forceps rod 1, the other end of the first forceps rod 1 is provided with a movable forceps head 4, one end of the second forceps rod 2 is provided with a movable handle 5, the movable handle 5 is rotatably connected with the second forceps rod 2, the other end of the second forceps rod 2 is provided with fixed forceps heads 6 which are vertically and symmetrically distributed with the movable forceps head 4, one end of each fixed forceps head 6 is fixedly connected with and integrated with the second forceps rod 2, the first forceps rod 1 is driven by the movable handle 5 to be slidably connected with the second forceps rod 2, one end of each movable forceps head 4 is driven by the movable handle 5 to be rotatably connected with the first forceps rod 1, the other end of each movable forceps head 4 and the other end of each fixed forceps head 6 are in spoon shapes and form an olive ball shape after being mutually occluded, a female buckle 7 is fixed on the fixed handle 3, and a female buckle 8 is mutually fastened with a female buckle, and a tightness can be adjusted.

As shown in fig. 1 and 3, one side of the movable binding clip 4 is close to the fixed binding clip 6, the other side of the movable binding clip 4 corresponding to the fixed binding clip 6 is far away from the fixed binding clip 6, and two ends of one side of the movable binding clip 4 close to the fixed binding clip 6 are gradually sunken towards the center.

As shown in fig. 5 and 6, the other end of the movable forceps head 4 is provided with a plurality of meshing teeth 9 which are uniformly distributed, the other end of the fixed forceps head 6 is provided with a plurality of meshing grooves 10 which are matched with the meshing teeth 9, and the edges of the meshing teeth 9 and the meshing grooves 10 are provided with smooth arc transition surfaces.

As shown in fig. 4 and 5, the other end of the movable binding clip 4 is bent towards one side perpendicular to the rotation plane of the movable handle 5 to form an obtuse angle with one end thereof, and the bent part of the movable binding clip 4 is arc-shaped. The aspect ratio of the other end of the movable binding clip 4 to the bending part is 3:1.

as shown in fig. 1, 2, 3, 4 and 7, as shown, one end of the fixed handle 3 and one end of the movable handle 5 are both provided with a finger ring 11, the other end of the fixed handle 3 is fixedly connected with the first jaw lever 1 to form a whole, the other end of the movable handle 5 is provided with a first hinge plate 12, one end of the first hinge plate 12 is fixedly connected with the end of the movable handle 5 to form a whole, the second jaw lever 2 is provided with a first open slot 13 matched with one end of the first hinge plate 12, the other end of the first hinge plate 12 is positioned on the side surface of the movable handle 5, the first jaw lever 1 is provided with a rotating slot 14 matched with the other end of the first hinge plate 12, both ends of the first hinge plate 12 are provided with first rotating pins 15, and the first hinge plate 12 is respectively and rotatably connected with the first open slot 13 and the rotating slot 14 through the first rotating pins 15 at both ends.

As shown in fig. 2 and 8, a hinge plate two 16 is arranged at one end of the movable binding clip 4, the hinge plate two 16 is fixedly connected with the movable binding clip 4 to form a whole, the movable binding clip 4 is positioned at one end side of the hinge plate two 16, an open slot two 17 matched with one end of the hinge plate two 16 is arranged on the binding clip one 1, a rotating hole 18 matched with the other end of the hinge plate two 16 is arranged on the binding clip two 2, rotating pins two 19 are arranged at both ends of the hinge plate two 16, the hinge plate two 16 is respectively and rotatably connected with the open slot two 17 and the rotating hole 18 through the rotating pins two 19 at both ends, the binding clip one 1, the binding clip two 2, the hinge plate one 12 and the hinge plate two 16 form a parallelogram, and the two rotating pins one 15 and the two rotating pins two 19 respectively form four vertex angles of the parallelogram.

As shown in fig. 9, the shape and structure of the female buckle 7 and the shape and structure of the male buckle 8 are the same, the male buckle 8 includes a rectangular rack 20, the end of the rectangular rack 20 is fixedly connected with the side wall of the movable handle 5 and is formed into a whole, the rectangular rack 20 is provided with a plurality of rows of teeth 21 uniformly distributed along the length direction thereof, the cross section of the row of teeth 21 is triangular, the bottom of the row of teeth 21 is fixedly connected with the rectangular rack 20, the top of the row of teeth 21 on the movable handle 5 inclines towards one side of the movable handle 5, the top of the row of teeth 21 on the fixed handle 3 inclines towards one side of the fixed handle 3, and the row of teeth 21 on the movable handle 5 and the row of teeth 21 on the fixed handle 3 are mutually buckled.

As shown in fig. 10, the female buckle 7 is cylindrical, one end of the female buckle 7 is fixedly connected with the side wall of the fixed handle 3 and forms a whole, the other end of the female buckle 7 is provided with a groove 22, a plurality of limiting rings 23 are arranged in the groove 22, the outer side wall of each limiting ring 23 is fixedly connected with the side wall of the groove 22, the plurality of limiting rings 23 are uniformly distributed along the length direction of the female buckle 7, a limiting groove 24 is formed between every two adjacent limiting rings 23, one end of each limiting ring 23 is close to the bottom of the groove 22, the other end of each limiting ring 23 is far away from the bottom of the groove 22, the inner diameter of each limiting ring 23 is gradually increased from one end of each limiting ring close to the bottom of the groove 22 to the other end, one end of the sub-buckle 8 is fixedly connected with the side wall of the movable handle 5 and forms a whole, the outer edge of the other end of the sub-buckle 8 protrudes outwards to form a retaining ring 25 matched with the limiting groove 24, the cross section of the retaining ring 25 is semicircular, and the center of the other end of the sub-buckle 8 is provided with a V-shaped opening 26. The outer diameter of the retaining ring 25 is larger than the inner diameter of the end of the limiting ring 23 close to the bottom of the groove 22, and the outer diameter of the retaining ring 25 is smaller than the inner diameter of the end of the limiting ring 23 far away from the bottom of the groove 22.

Because the first forceps rod 1 and the second forceps rod 2 are always positioned in the surgical incision in the surgical process, when an operator operates the movable handle 5 to rotate, the first hinged plate 12 synchronously rotates and enables the first forceps rod 1 and the second forceps rod 2 to relatively slide through the first rotating pins 15 at two ends, so that the two forceps heads are facilitated to clamp lesion tissues, the surgical incision is protected from being enlarged, and the wound is reduced; after the first jaw lever 1 and the second jaw lever 2 slide relatively, the second hinge plate 16 is driven to rotate synchronously through the second rotating pins 19 at the two ends of the second hinge plate 16, so that the movable jaw 4 is driven to rotate, and the functions of mutually occluding the movable jaw 4 and the fixed jaw 6 and clamping pathological tissues are realized.

After the movable tong head 4 and the fixed tong head 6 clamp the lesion tissues, the tooth rows 21 on the movable handle 5 and the tooth rows 21 on the fixed handle 3 are buckled with each other, which is favorable for improving the stability during clamping; the structural design of the tooth row 21 is beneficial to the buckling and the separation of the tooth row 21 on the movable handle 5 and the tooth row 21 on the fixed handle 3, and the tightness is convenient to adjust and operate.

In addition, in another embodiment, in order to further improve the convenience of the tightness adjustment operation, the male buckle 8 can be inserted into the limiting ring 23 of the female buckle 7, so that the retaining rings 25 are located in the corresponding limiting grooves 24, and the female buckle 7 and the male buckle 8 are fastened together; a plurality of limiting rings 23 are arranged in the groove 22, a limiting groove 24 is formed between every two adjacent limiting rings 23, and the limiting grooves 24 at different positions are matched with the sub-buckles 8, so that the tightness is convenient to adjust; the inner diameter of the limiting ring 23 is gradually increased from one end of the limiting ring close to the bottom of the groove 22 to the other end of the limiting ring, and the good guiding effect is achieved when the sub-buckle 8 is inserted into the limiting groove 24; the outer edge of the other end of the sub-buckle 8 protrudes outwards to form a retaining ring 25 matched with the limiting groove 24, the cross section of the retaining ring 25 is semicircular, and the design of the V-shaped opening enables the other end of the sub-buckle 8 to deform correspondingly in the plugging and unplugging process, so that a good guiding effect is achieved for plugging and unplugging of the sub-buckle 8.

The middle parts of the movable tong head 4 and the fixed tong head 6 form a gap, so that on one hand, the movable tong head 4 and the fixed tong head 6 can be deformed correspondingly by adjusting the fastening tightness of the female buckle 7 and the male buckle 8, and therefore, the tightness between the movable tong head 4 and the fixed tong head 6 can be adjusted conveniently, and lesion tissues with different sizes can be clamped conveniently; on the other hand, the weight of the forceps head part is reduced, so that the lymph node forceps are further lightened, and hand control is facilitated; in addition, when the movable tong head 4 and the fixed tong head 6 mutually clamp the pathological tissue, the pain of a patient can be reduced, and the pain can be reduced.

Claims

1. The lymph gland forceps are characterized by comprising a first forceps rod (1) and a second forceps rod (2), wherein one end of the first forceps rod (1) is provided with a fixed handle (3), the fixed handle (3) is fixedly connected with the first forceps rod (1) and forms a whole, the other end of the first forceps rod (1) is provided with a movable forceps head (4), one end of the second forceps rod (2) is provided with a movable handle (5), the movable handle (5) is rotatably connected with the second forceps rod (2), the other end of the second forceps rod (2) is provided with a fixed forceps head (6) which is symmetrically distributed up and down with the movable forceps head (4), one end of the fixed forceps head (6) is fixedly connected with the second forceps rod (2) and forms a whole, the first forceps rod (1) is slidably connected with the second forceps rod (2) under the driving of the movable handle (5), one end of the movable forceps head (4) is rotatably connected with the first forceps rod (1) under the driving of the movable handle (5), the other end of the movable forceps head (4) and the fixed forceps rod (6) are buckled with a fixed handle (7) in a spherical shape, and the movable forceps head (7) is buckled with a fixed handle (8), and the fixed handle (7) is buckled with a handle (8) in a closed shape, and the olive-shaped handle.

2. The lymph node forceps according to claim 1, wherein one side of the movable forceps head (4) is close to the fixed forceps head (6), the other corresponding side of the movable forceps head (4) is far away from the fixed forceps head (6), and two ends of one side of the movable forceps head (4) close to the fixed forceps head (6) are gradually depressed towards the center.

3. The lymph node forceps according to claim 1, characterized in that the other end of the movable forceps head (4) is provided with a plurality of uniformly distributed occlusion teeth (9), the other end of the fixed forceps head (6) is provided with a plurality of occlusion grooves (10) matched with the occlusion teeth (9), and the edges of the occlusion teeth (9) and the occlusion grooves (10) are provided with smooth circular arc transition surfaces.

4. The lymph node forceps according to claim 1, wherein the other end of the movable forceps head (4) is bent towards one side perpendicular to the rotation plane of the movable handle (5) to form an obtuse angle with one end thereof, and the bent part of the movable forceps head (4) is arc-shaped.

5. A lymph node forceps as claimed in claim 4, characterised in that the aspect ratio of the other end of the movable forceps head (4) to its bend is 3:1.

6. the lymph node forceps as claimed in claim 1, characterized in that one end of the fixed handle (3) and one end of the movable handle (5) are provided with finger rings (11), the other end of the fixed handle (3) is fixedly connected with and integrated with the first jaw lever (1), the other end of the movable handle (5) is provided with a first hinged plate (12), one end of the first hinged plate (12) is fixedly connected with and integrated with the end of the movable handle (5), the second jaw lever (2) is provided with a first open slot (13) matched with one end of the first hinged plate (12), the other end of the first hinged plate (12) is located on the side surface of the movable handle (5), the first jaw lever (1) is provided with a rotating slot (14) matched with the other end of the first hinged plate (12), both ends of the first hinged plate (12) are provided with first rotating pins (15), and the first hinged plate (12) is respectively connected with the first open slot (13) and the rotating slot (14) in a rotating manner through the first rotating pins (15).

7. The lymph node forceps as claimed in claim 6, characterized in that one end of the movable forceps head (4) is provided with a second hinge plate (16), the second hinge plate (16) is fixedly connected with the movable forceps head (4) to form a whole, the movable forceps head (4) is located on one end side of the second hinge plate (16), the first forceps rod (1) is provided with a second open slot (17) matched with one end of the second hinge plate (16), the second forceps rod (2) is provided with a rotating hole (18) matched with the other end of the second hinge plate (16), both ends of the second hinge plate (16) are provided with a second rotating pin (19), the second hinge plate (16) is rotatably connected with the second open slot (17) and the rotating hole (18) respectively through the second rotating pins (19) at both ends, the first forceps rod (1), the second forceps rod (2), the first hinge plate (12) and the second hinge plate (16) form a parallelogram, and the two first rotating pins (15) and the two rotating pins (19) form four vertex angles of the parallelogram respectively.

8. The lymph node forceps according to claim 1, 2, 3, 4, 5, 6 or 7, characterized in that the female button (7) and the male button (8) have the same shape and structure, the male button (8) comprises a rectangular rack (20), the end of the rectangular rack (20) is fixedly connected with the side wall of the movable handle (5) to form a whole, the rectangular rack (20) is provided with a plurality of rows of teeth (21) uniformly distributed along the length direction thereof, the cross section of the row of teeth (21) is triangular, the bottom of the row of teeth (21) is fixedly connected with the rectangular rack (20), the top of the row of teeth (21) on the movable handle (5) inclines towards one side of the movable handle (5), the top of the row of teeth (21) on the fixed handle (3) inclines towards one side of the fixed handle (3), and the row of teeth (21) on the movable handle (5) and the row of teeth (21) on the fixed handle (3) are mutually fastened.

9. The lymph node forceps according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7, characterized in that the female buckle (7) is cylindrical, one end of the female buckle (7) is fixedly connected with and integrated with the side wall of the fixed handle (3), the other end of the female buckle (7) is provided with a groove (22), a plurality of limiting rings (23) are arranged in the groove (22), the outer side wall of each limiting ring (23) is fixedly connected with the side wall of the groove (22), the plurality of limiting rings (23) are uniformly distributed along the length direction of the female buckle (7), a limiting groove (24) is formed between every two adjacent limiting rings (23), one end of each limiting ring (23) is close to the bottom of the groove (22), the other end of each limiting ring (23) is far away from the bottom of the groove (22), the inner diameter of each limiting ring (23) is gradually increased from the end close to the bottom of the groove (22), one end of each limiting ring (8) is fixedly connected with and integrated with the side wall of the movable handle (5), the other end of each limiting ring (8) is provided with a semicircular retaining ring (25) which is matched with the outer edge of the retaining ring (8), and the retaining ring (25) is provided with a semicircular cross section of the retaining ring (25).

10. The lymph node forceps as claimed in claim 9, characterized in that the retaining ring (25) has an outer diameter larger than an inner diameter of the end of the stop collar (23) near the bottom of the groove (22), and the retaining ring (25) has an outer diameter smaller than an inner diameter of the end of the stop collar (23) far from the bottom of the groove (22).