CN219207174U

CN219207174U - Bendable laparoscopic surgical forceps

Info

Publication number: CN219207174U
Application number: CN202223067744.4U
Authority: CN
Inventors: 王晓飞
Original assignee: Ji'nan People's Hospital
Current assignee: Ji'nan People's Hospital
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-06-20
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses a bendable laparoscopic surgical forceps, which is equipment adopting a surgical forceps technology and comprises a main rod and a bent rod, wherein the bent rod is rotatably connected to the main rod, a rotating rod is arranged at the joint of the bent rod and the main rod, a gear is arranged on the rotating rod, a first clamping plate and a second clamping plate are respectively arranged on two sides of the gear, and the first clamping plate and the second clamping plate are clamped in teeth of the gear. According to the utility model, through the connection of the bent rod and the main rod, the rotating rod is arranged at the connection part of the bent rod and the main rod, the gear can be driven to rotate when the bent rod rotates, the first clamping plate and the second clamping plate are arranged on the upper side and the lower side of the gear, the gear can be limited by the first clamping plate and the second clamping plate, and the first clamping plate and the second clamping plate are required to be pulled when the surgical forceps are adjusted, so that the adjustment of the bent rod can be realized, the overall shape of the surgical forceps can be changed, and the bending adjustment can be realized, so that the cost can be reduced.

Description

Bendable laparoscopic surgical forceps

Technical Field

The utility model relates to the technical field of surgical forceps, in particular to a bendable laparoscopic surgical forceps.

Background

Minimally invasive surgery is the forefront development direction of medical science and technology today, and minimally invasive surgery represented by laparoscopic surgery has gradually replaced traditional open surgery. Through the development for over twenty years, the laparoscopic minimally invasive surgery technology is mature, and has wide application and satisfactory effect in clinic due to the characteristics of small operation wound, light postoperative pain, short hospitalization time, good cosmetic effect and the like.

The applicant has now found that the following problems exist in practical use:

most laparoscopic forceps on the market are of a long and straight structure, when the bending forceps are used, the bending forceps are required to be prepared independently, and when in operation, the forceps of different shapes are required to be prepared, so that the number of the forceps is excessive, and the cost is increased.

Accordingly, there is a need to provide a bendable laparoscopic forceps that solves the above-mentioned technical problems.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a bendable laparoscopic forceps aiming at the defects in the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a flexible laparoscopic surgery pincers, includes mobile jib and bent lever, the bent lever rotates to be connected on the mobile jib, the junction of bent lever and master lever is equipped with the bull stick, be provided with the gear on the bull stick, the both sides of gear are provided with first cardboard and second cardboard respectively, first cardboard and second cardboard joint are in the tooth of gear.

The bending rod is further provided with a stretching head at the end, facing the main rod, of the bending rod, a connecting plate is arranged at the end, facing the bending rod, of the main rod, and the stretching head is rotationally connected to the connecting plate.

The novel connecting plate is further provided with a bayonet, the bayonet is U-shaped, and the extension head is located in the bayonet.

Further, the connecting plates on the upper side and the lower side of the gear are respectively provided with an extension plate, and a reset spring is respectively arranged between each extension plate and the corresponding first clamping plate and second clamping plate.

Further, a supporting rod is arranged on the connecting plate corresponding to the input end of the first clamping plate and the second clamping plate, and the first clamping plate and the second clamping plate are respectively connected to the corresponding supporting rods in a rotating mode.

Further set up, branch that first cardboard and second cardboard are connected runs through first cardboard and second cardboard, be equipped with the limiting plate on the branch end in the outside of first cardboard and second cardboard.

Further, handles are arranged on the first clamping plate and the second clamping plate, and each handle is perpendicular to the corresponding connecting plate.

Compared with the related art, the bendable laparoscopic surgical forceps provided by the utility model have the following beneficial effects:

the utility model provides a bendable laparoscopic surgical forceps, which is characterized in that a connecting plate is arranged at the output end of a bent rod, the input end of a main rod is provided with the connecting plate, the bent rod can be connected to the connecting plate through the rotation of the extending head, a rotating rod is arranged on the extending rod, a gear is arranged on the rotating rod, the gear rotates when the bent rod rotates, a first clamping plate and a second clamping plate are respectively arranged on the upper side and the lower side of the gear, the first clamping plate can be limited to rotate clockwise when being clamped into teeth of the gear, the second clamping plate can be limited to rotate anticlockwise when being rotated, the bent rod can rotate through the rotating rod when the first clamping plate and the second clamping plate are far away from the gear, and therefore the shape of the surgical forceps is changed, and the cost is reduced through the arrangement.

The utility model provides a bendable laparoscopic surgical clamp, which is characterized in that a supporting rod is arranged on a connecting plate, a first clamping plate and a second clamping plate can rotate on the supporting rod, extension plates are respectively arranged at the upper end and the lower end of the first clamping plate and the second clamping plate, a reset spring is arranged between the extension plates and the corresponding first clamping plate and second clamping plate, the reset spring can keep a jacking state, and the first clamping plate and the second clamping plate can keep connection with a gear, so that a bent rod can be kept unchanged when the bent rod is not adjusted.

Drawings

FIG. 1 is a schematic view of a bendable laparoscopic forceps according to the present utility model;

FIG. 2 is a schematic diagram of a bendable laparoscopic forceps according to the second embodiment of the present utility model;

FIG. 3 is a schematic view of the connection of a return spring in a bendable laparoscopic forceps provided by the present utility model;

fig. 4 is a schematic connection diagram of a steering rod in a bendable laparoscopic forceps according to the present utility model.

Reference numerals in the drawings: 1. a main rod; 2. bending a rod; 3. a protruding head; 4. a connecting plate; 5. a bayonet; 6. extending the plate; 7. a first clamping plate; 8. a support rod; 9. a limiting plate; 10. a second clamping plate; 11. a handle; 12. a gear; 13. a return spring; 14. and (5) rotating the rod.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Exemplary embodiments of the present utility model are illustrated in the accompanying drawings.

Embodiment one:

as shown in fig. 1, the bendable laparoscopic surgical forceps comprise a main rod 1 and a bent rod 2, wherein the bent rod 2 is rotatably connected to the main rod 1, a rotating rod 14 is arranged at the joint of the bent rod 2 and the main rod 1, a gear 12 is arranged on the rotating rod 14, a first clamping plate 7 and a second clamping plate 10 are respectively arranged at two sides of the gear 12, the first clamping plate 7 and the second clamping plate 10 are clamped in teeth of the gear 12, the connecting part of the bent rod 2 and the main rod 1 is provided with the rotating rod 14 through the connection of the bent rod 2 and the main rod 1, the gear 12 can be driven to rotate when the bent rod 2 rotates, the first clamping plate 7 and the second clamping plate 10 are arranged at the upper side and the lower side of the gear 12, the gear 12 can be limited by the first clamping plate 7 and the second clamping plate 10, and the second clamping plate 10 are required to be pulled during adjustment, so that the whole shape of the surgical forceps can be changed, bending adjustment can be realized, and cost can be reduced.

As shown in fig. 2, the end of the bent rod 2 facing the main rod 1 is provided with a protruding head 3, the end of the main rod 1 facing the bent rod 2 is provided with a connecting plate 4, the protruding head 3 is rotatably connected to the connecting plate 4, and the protruding head 3 can rotate through the connection between the protruding head 3 and the connecting plate 4.

As shown in fig. 3, the connecting plate 4 is provided with a bayonet 5, the bayonet 5 is in a U-shaped configuration, the extension head 3 is positioned in the bayonet 5, and the extension head 3 can rotate in the bayonet 5 through the configuration of the bayonet 5.

In implementation, this scheme is through setting up extension 3 on the output of bent rod 2, set up connecting plate 4 on the input of mobile jib 1, bent rod 2 just accessible extension 3 rotates to be connected on connecting plate 4, be provided with bull stick 14 on the extension 3, be provided with gear 12 on the bull stick 14, gear 12 will rotate when bent rod 2 rotates, the upper and lower both sides of gear 12 are provided with first cardboard 7 and second cardboard 10 respectively, just can restrict the clockwise rotation of gear 12 when first cardboard 7 card is in the tooth of gear 12, second cardboard 10 also card is in the tooth of gear 12, second cardboard 10 just can restrict the anticlockwise rotation of gear 12, thereby make bent rod 2's rotation receive the restriction, bent rod 2 just accessible bull stick 14 rotates when pulling first cardboard 7 and second cardboard 10 and keeping away from gear 12, thereby change the shape of operation pincers, thereby just need not prepare the operation pincers of bending alone, cost is reduced through setting up.

Embodiment two:

as shown in fig. 4, on the basis of the first embodiment, the present utility model provides a technical solution: the connecting plates 4 on the upper side and the lower side of the gear 12 are respectively provided with an extension plate 6, a return spring 13 is respectively arranged between each extension plate 6 and the corresponding first clamping plate 7 and second clamping plate 10, and the first clamping plate 7 and the second clamping plate 10 can keep a state of rotating towards the gear 12 through the arrangement of the return springs 13; the connecting plates 4 corresponding to the input ends of the first clamping plate 7 and the second clamping plate 10 are provided with supporting rods 8, the first clamping plate 7 and the second clamping plate 10 are respectively connected to the corresponding supporting rods 8 in a rotating way, and the first clamping plate 7 and the second clamping plate 10 rotate through the arrangement of the supporting rods 8; the supporting rod 8 that first cardboard 7 and second cardboard 10 are connected runs through first cardboard 7 and second cardboard 10, is equipped with limiting plate 9 on the supporting rod 8 end in the outside of first cardboard 7 and second cardboard 10, just can not break away from corresponding supporting rod 8 through setting up first cardboard 7 and second cardboard 10 of limiting plate 9.

As shown in fig. 4, the first clamping plate 7 and the second clamping plate 10 are respectively provided with a handle 11, each handle 11 is perpendicular to the corresponding connecting plate 4, and the first clamping plate 7 and the second clamping plate 10 can rotate through the arrangement of the handles 11.

In implementation, this scheme is through setting up branch 8 on connecting plate 4, and first cardboard 7 and second cardboard 10 just can rotate on branch 8, and the upper and lower both ends of first cardboard 7 and second cardboard 10 are provided with respectively and stretch board 6, stretch to be provided with reset spring 13 between board 6 and the corresponding first cardboard 7 and the second cardboard 10, and reset spring 13 just can keep pushing the movable state, and first cardboard 7 and second cardboard 10 just can keep being connected with gear 12 to just can make bent rod 2 keep unchanged when not adjusting.

The technical scheme has the advantages in practical application including but not limited to the following points:

the whole shape of the forceps can be changed through the rotary connection of the bent rod 2 and the main rod 1, so that the adjustment of the bent shape is realized, the bending forceps do not need to be prepared separately, and the cost is reduced.

When the technical scheme is used, the first clamping plate 7 or the second clamping plate 10 is directly pulled, the bent pipe can be rotated when the first clamping plate 7 or the second clamping plate 10 is far away from the gear 12, and the bent pipe can be adjusted.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Bendable laparoscopic surgery pincers, including mobile jib (1) and bent rod (2), its characterized in that: the utility model discloses a gear, including mobile jib (1), bent lever (2), gear (12) are provided with on mobile jib (1), bent lever (2) rotate and connect on mobile jib (1), the junction of bent lever (2) and mobile jib (1) is equipped with bull stick (14), the both sides of gear (12) are provided with first cardboard (7) and second cardboard (10) respectively, first cardboard (7) and second cardboard (10) joint are in the tooth of gear (12).

2. The bendable laparoscopic surgical forceps according to claim 1, wherein a protruding head (3) is arranged on the end of the bent rod (2) facing the main rod (1), a connecting plate (4) is arranged on the end of the main rod (1) facing the bent rod (2), and the protruding head (3) is rotatably connected to the connecting plate (4).

3. The bendable laparoscopic surgical forceps according to claim 2, characterized in that a bayonet (5) is formed in the connecting plate (4), the bayonet (5) is arranged in a U shape, and the extension head (3) is located in the bayonet (5).

4. The bendable laparoscopic surgical forceps according to claim 1, wherein extension plates (6) are arranged on the connecting plates (4) on the upper side and the lower side of the gear (12), and return springs (13) are respectively arranged between each extension plate (6) and the corresponding first clamping plate (7) and second clamping plate (10).

5. The bendable laparoscopic surgical forceps according to claim 1, characterized in that the connecting plates (4) corresponding to the input ends of the first clamping plate (7) and the second clamping plate (10) are provided with supporting rods (8), and the first clamping plate (7) and the second clamping plate (10) are respectively connected to the corresponding supporting rods (8) in a rotating mode.

6. The bendable laparoscopic surgical forceps according to claim 1, wherein the struts (8) connected with the first clamping plate (7) and the second clamping plate (10) penetrate through the first clamping plate (7) and the second clamping plate (10), and limiting plates (9) are arranged on the ends of the struts (8) on the outer sides of the first clamping plate (7) and the second clamping plate (10).

7. A bendable laparoscopic surgical forceps according to claim 1, characterized in that the first clamping plate (7) and the second clamping plate (10) are each provided with a handle (11), each handle (11) being perpendicular to the corresponding connecting plate (4).