CN112168249A

CN112168249A - Beak pliers with spring locking device

Info

Publication number: CN112168249A
Application number: CN202011071341.XA
Authority: CN
Inventors: 郭标; 马炜
Original assignee: Hangzhou Aidu Medical Technology Co ltd
Current assignee: Hangzhou Aidu Medical Technology Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-01-05

Abstract

The invention relates to a beak pliers with a spring locking device, which comprises a holding structure, a jaw structure, a pliers tube, a push-pull rod and a guide tube, wherein the jaw structure is driven by the push-pull rod and the holding structure, the push-pull rod penetrates through the guide tube and the pliers tube, the top end of the holding structure is fixed with the pliers tube, one side of the pliers tube is connected with the guide tube, the holding structure comprises a fixed handle and a movable handle, a locking structure is arranged between the fixed handle and the movable handle, and an anti-slip structure is arranged in the jaw structure. The invention has the beneficial effects that: can realize the locking to the activity handle through the locking structure, prevent that manual pressing the activity handle always from appearing not hard up, can pass the tissue with the suture more firm of suture centre gripping, prevent the landing of suture.

Description

Beak pliers with spring locking device

Technical Field

The invention relates to a beak pliers with a spring locking device, and belongs to the technical field of medical instruments.

Background

The beak pliers are used under an endoscope or in an open operation, the instrument is designed in a structure, so that a doctor can conveniently pass a suture through tissues in the operation, the head of the instrument is closed up and down to pass through the tissues, and the suture is grabbed after passing through the tissues; present operation nipper is open structure under the normal condition, and medical personnel need promote the piece always and make nipper press from both sides tightly, but medical personnel can loosen sometimes in the nipper use, and it will loosen to keep silent this moment, causes the landing of suture to prolonged the time of operation, reduced the efficiency of operation.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a beak pliers with a spring locking device, which has the following specific technical scheme:

the utility model provides a beak pincers that take spring catch device, is including gripping structure, tong pipe, push-and-pull rod and guiding tube, the tong structure passes through the push-and-pull rod and grips the structure drive, and the push-and-pull rod runs through the inside that sets up at guiding tube and tong pipe, grips the top of structure and is fixed with the tong pipe, and one side of tong pipe is connected with the guiding tube, the structure of gripping includes fixed handle and movable handle, and is provided with the locking structure between fixed handle and the movable handle, and the inside of tong structure is provided with the antiskid structure that falls.

Further, the locking structure includes inserted bar, spliced pole, according to clamp plate and spring two, the bottom side of activity handle is fixed with the spliced pole, the one end of spliced pole is fixed with the inserted bar, fixed handle's inside is provided with the slot with inserted bar looks adaptation, and the inside of slot is provided with according to the clamp plate, and runs through the slot and extend to fixed handle's outside one side according to the one end of clamp plate, and the other end of clamp plate passes through spring two and the inside of slot is fixed, and is U type structure according to a side surface that the clamp plate is close to the inserted bar, and the fixed surface according to the clamp plate has the glide plane.

Furthermore, a sliding column is fixed on one side edge of the pressing plate, which is far away from the insertion rod, a sliding groove matched with the sliding column is formed in the slot, and a protrusion used for limiting the sliding column is fixed on the side edge of the inner wall of the slot.

Furthermore, the forceps holder structure comprises an upper nipper and a lower nipper, the end parts of the upper nipper and the lower nipper are fixedly provided with an upwards-arranged arc-shaped structure, and the upper nipper and the lower nipper are fixedly provided with matched meshing teeth.

Furthermore, the upper grasping forceps and the lower grasping forceps are of L-shaped structures, hollow grooves are formed in one sides, close to the guide tubes, of the upper grasping forceps and the lower grasping forceps, limiting columns are arranged inside the hollow grooves, and the limiting columns are fixed to one ends of the push-pull rods.

Furthermore, an inflation channel is formed in the upper grasping forceps, the inflation channel extends to the inside of the forceps tube, an air blowing ball used for inflating air into the inflation channel is fixed at the top end of the forceps tube, and an air outlet communicated with the inflation channel and used for preventing sliding is formed in the surface of the upper grasping forceps.

Furthermore, one end of the push-pull rod, which is far away from the forceps holder structure, is fixed with the end part of the movable handle through a connecting rod, the connecting rod is movably connected with the push-pull rod, and the movable handle is movably connected with the inside of the forceps tube through a movable shaft.

Furthermore, the upper grasping forceps and the lower grasping forceps are connected through a spring I, and the upper grasping forceps and the lower grasping forceps are movably connected with the inner portion of the guide tube through movable shafts.

Furthermore, the top of the fixed handle and the top of the movable handle are fixed through a return spring.

The invention has the beneficial effects that:

1. the holding structure can conveniently hold the beak pliers, comprises a fixed handle and a movable handle, and only needs to hold the movable handle to move towards one side of the fixed handle, so that the acting force during holding is reduced.

2. The opening and closing of the forceps holder structure can be conveniently realized through the push-pull rod, and then the grabbing of the suture is realized.

3. The locking structure can realize the locking to the activity handle, prevents that manual pressing the activity handle all the time from appearing not hard up, can pass the tissue with the suture more firm of suture centre gripping, prevents the landing of suture.

Drawings

FIG. 1 is a schematic structural view of a beak pliers with a snap-lock device according to the present invention;

FIG. 2 is a schematic view of the internal structure of the jaw structure of the present invention;

FIG. 3 is a schematic view of the locking structure inside the fixed handle according to the present invention;

FIG. 4 is a schematic view of the internal construction of the present pliers tube;

figure 5 is a schematic view of the upper grasper surface configuration shown in the present invention.

Reference numerals: 10. a holding structure; 11. fixing a handle; 111. a slot; 112. a pressing plate; 113. a second spring; 114. a traveler; 115. a chute; 116. a protrusion; 12. a movable handle; 121. connecting columns; 122. inserting a rod; 13. a return spring; 20. a jaw structure; 21. an upper nipper; 211. an inflation channel; 212. a balloon; 213. an air outlet; 22. lower nippers; 23. hollowing out the grooves; 24. a first spring; 30. clamping a pipe; 40. a push-pull rod; 41. a limiting column; 42. a connecting rod; 50. and (6) guiding the tube.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 to 5, the beak pliers with a snap-lock device according to an embodiment of the present invention includes a holding structure 10, a jaw structure 20, a pliers tube 30, a push-pull rod 40 and a guide tube 50, wherein the jaw structure 20 is driven by the push-pull rod 40 and the holding structure 10, the push-pull rod 40 is disposed through the guide tube 50 and the pliers tube 30, the pliers tube 30 is fixed to the top end of the holding structure 10, the guide tube 50 is connected to one side of the pliers tube 30, the holding structure 10 includes a fixed handle 11 and a movable handle 12, a locking structure is disposed between the fixed handle 11 and the movable handle 12, and an anti-slip structure is disposed inside the jaw structure 20.

By means of the above technical scheme, can conveniently grip beak pincers through gripping structure 10, and it includes fixed handle 11 and movable handle 12 to grip structure 10, only need grip movable handle 12 to one side removal of fixed handle 11 can, effort when reducing and gripping, can conveniently realize opening and shutting to forceps holder structure 20 through push-and-pull rod 40, and then realize snatching the suture, the locking structure can realize the locking to movable handle 12, prevent that manual pressing movable handle 12 from appearing becoming flexible always, can be more firm with the suture centre gripping, pass the tissue with the suture, prevent the landing of suture.

As shown in fig. 1 and 3, the locking structure includes an insertion rod 122, a connection column 121, a pressing plate 112 and a second spring 113, the connection column 121 is fixed on one side edge of the bottom of the movable handle 12, the movable handle 12 and the fixed handle 11 are both cylindrical cylinders with hollow interiors, the insertion rod 122 is fixed at one end of the connection column 121, a slot 111 matched with the insertion rod 122 is arranged inside the fixed handle 11, the pressing plate 112 is arranged inside the slot 111, one end of the pressing plate 112 penetrates through the slot 111 and extends to one side of the exterior of the fixed handle 11, the other end of the pressing plate 112 is fixed with the interior of the slot 111 through the second spring 113, the surface of one side, close to the insertion rod 122, of the pressing plate 112 is of a U-shaped structure, and a sliding surface is fixed on the surface of the pressing plate; the diameter of the cross section of one end of the insertion rod 122 is larger than the diameter of the opening at the position of the slot 111, a through hole is formed in the position of the fixed handle 11 corresponding to the pressing plate 112, the diameter of the pressing plate 112 located on the outer side of the fixed handle 11 is larger than the diameter of the through hole, the pressing plate 112 can be prevented from sliding into the slot 111, the insertion rod 122 is inserted into the slot 111 from the opening of the slot 111, the insertion rod 122 is in contact with the sliding surface of the pressing plate 112 and extrudes the sliding surface to slide into the slot 111, the pressing plate 112 extrudes the second spring 113, the insertion rod 122 is of a T-shaped structure and can be clamped with the insertion rod 122, and therefore locking of the movable handle 12 is achieved.

As shown in fig. 3, a sliding column 114 is fixed on one side of the pressing plate 112 away from the insertion rod 122, a sliding groove 115 adapted to the sliding column 114 is arranged inside the insertion groove 111, and a protrusion 116 for limiting the sliding column 114 is fixed on one side of the inner wall of the insertion groove 111; make through traveller 114 and spout 115 and press the board 112 and can only slide in spout 115, prevent to press board 112 off tracking, protruding 116 can play spacing effect to pressing board 112 simultaneously, does benefit to the stability and the safety of pressing board 112 more.

As shown in fig. 2, the jaw structure 20 includes an upper nipper 21 and a lower nipper 22, and an upwardly disposed arc structure is fixed at the end of the upper nipper 21 and the lower nipper 22, and a matching engaging tooth is fixed between the upper nipper 21 and the lower nipper 22; the arc-shaped structures at the end parts of the upper grasping forceps 21 and the lower grasping forceps 22 can further prevent the suture from sliding off, so that the suture is prevented from sliding off, the operation time is prolonged, and the operation efficiency is improved.

As shown in fig. 2, the upper grasper 21 and the lower grasper 22 are both L-shaped structures, and a hollow groove 23 is formed on one side of the upper grasper 21 and the lower grasper 22 close to the guide tube 50, a limiting column 41 is arranged inside the hollow groove 23, and the limiting column 41 is fixed at one end of the push-pull rod 40; the sliding of the limiting column 41 in the hollow groove 23 can be conveniently realized through the hollow groove 23, and then the movement of the push-pull rod 40 drives the sliding of the limiting column 41 in the hollow groove 23, so that the opening and closing of the angle between the upper grasping forceps 21 and the lower grasping forceps 22 are realized, and the clamping of the suture is realized.

As shown in fig. 2 and 4, an inflation channel 211 is formed inside the upper grasper 21, the inflation channel 211 extends into the forceps tube 30, an air inflation ball 212 for inflating the inflation channel 211 is fixed at the top end of the forceps tube 30, and an air outlet 213 communicated with the inflation channel 211 and preventing slipping is formed on the surface of the upper grasper 21; the balloon 212 can conveniently convey gas into the inflation channel 211, and the exhaust and suction of the balloon 212 can conveniently adsorb the suture placed above the clamp structure 20, so that the suture is prevented from sliding off; while the suture is tied off, it is also allowed to slide out of the clamping surfaces by venting the balloon 212.

As shown in fig. 4, one end of the push-pull rod 40 away from the clamping structure 20 is fixed to the end of the movable handle 12 through a connecting rod 42, the connecting rod 42 is movably connected to the push-pull rod 40, and the movable handle 12 is movably connected to the inside of the clamping tube 30 through a movable shaft; the movable handle 12 can be conveniently connected with the push-pull rod 40 through the connecting rod 42, and meanwhile, the connecting rod 42 can be conveniently moved with the push-pull rod 40, so that the movement of the push-pull rod 40 driven by the movement of the movable handle 12 is more facilitated.

As shown in fig. 2, the upper grasping forceps 21 and the lower grasping forceps 22 are connected through a spring one 24, and both the upper grasping forceps 21 and the lower grasping forceps 22 are movably connected with the inside of the guide tube 50 through a movable shaft; the first spring 24 can buffer the upper grasping forceps 21 and the lower grasping forceps 22, safety and use of the upper grasping forceps 21 and the lower grasping forceps 22 are facilitated, connection between the upper grasping forceps 21 and the lower grasping forceps 22 and the guide pipe 50 is facilitated through the movable shaft, and meanwhile movement of the upper grasping forceps 22 and the lower grasping forceps 22 is facilitated.

As shown in fig. 1, the fixed handle 11 and the top of the movable handle 12 are fixed by a return spring 13; the movable handle 12 can be reset by the reset spring 13, and the movable handle 12 can be buffered.

In summary, according to the above technical solution of the present invention, when in use, a suture is placed in the clamping opening of the upper and lower graspers 21, 22, and the movable handle 12 is held to squeeze the movable handle 12 in the direction of the fixed handle 11, the movement of the movable handle 12 drives the connecting rod 42 and the push-pull rod 40 to move, the push-pull rod 40 stretches the upper and lower graspers 21, 22, so as to close the upper and lower graspers 21, 22 and clamp the suture, and at the same time, the insertion rod 122 at one side of the movable handle 12 is inserted into the insertion slot 111 of the fixed handle 11, the insertion rod 122 contacts with and squeezes the sliding surface of the pressing plate 112 to slide into the inside of the insertion slot 111, the pressing plate 112 squeezes the second spring 113, the insertion rod 122 is t-shaped and is of the L-shaped structure, so as to achieve the clamping of the insertion rod 122, therefore, the movable handle 12 is locked, the movable handle 12 is prevented from being loosened when being pressed by hand all the time, the suture can be clamped more firmly, and the suture passes through tissues to prevent the suture from sliding off; when the jaw structure 20 needs to be opened, the insertion rod 122 can be pulled out only by squeezing the pressing plate 112, so that the operation is convenient; snatch the suture after passing the tissue, preceding, the back handle of apparatus pins simultaneously, when accomplishing the suture and tie a knot, through placing the suture on upper and lower nipper 22 surface, thereby through holding between the fingers drum balloon 212 can realize the absorption to the suture through gas outlet 213, place suture from upper and lower nipper 22 surface landing, the time of extension operation, when needs are with suture from upper and lower nipper 22 surface roll-off, can exhaust through unclamping drum balloon 212, thereby can be with suture from upper and lower nipper 22 surface roll-off, make things convenient for people's operation and use more.

It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a beak pincers of taking spring locking device, includes and grips structure (10), pincers structure (20), tong pipe (30), push-and-pull rod (40) and guiding tube (50), pincers structure (20) are through push-and-pull rod (40) and grip structure (10) drive, and push-and-pull rod (40) run through the inside that sets up at guiding tube (50) and tong pipe (30), and the top of gripping structure (10) is fixed with tong pipe (30), and one side of tong pipe (30) is connected with guiding tube (50), its characterized in that: the gripping structure (10) comprises a fixed handle (11) and a movable handle (12), a locking structure is arranged between the fixed handle (11) and the movable handle (12), and an anti-slip structure is arranged inside the jaw structure (20).

2. The beak pliers with the spring catch device of claim 1, wherein: the locking structure comprises an insertion rod (122), a connection column (121), a pressing plate (112) and a second spring (113), the connection column (121) is fixed to one side edge of the bottom of the movable handle (12), the insertion rod (122) is fixed to one end of the connection column (121), a slot (111) matched with the insertion rod (122) is formed in the fixed handle (11), the pressing plate (112) is arranged in the slot (111), one end of the pressing plate (112) penetrates through the slot (111) and extends to one side of the outside of the fixed handle (11), the other end of the pressing plate (112) is fixed to the inside of the slot (111) through the second spring (113), the surface of one side, close to the insertion rod (122), of the pressing plate (112) is of a U-shaped structure, and a sliding surface is fixed to the surface of the pressing plate (112).

3. The beak pliers with the spring catch device of claim 2, wherein: a sliding column (114) is fixed on one side edge of the pressing plate (112) far away from the insertion rod (122), a sliding groove (115) matched with the sliding column (114) is formed in the slot (111), and a protrusion (116) used for limiting the sliding column (114) is fixed on the side edge of the inner wall of the slot (111).

4. The beak pliers with the spring catch device of claim 1, wherein: the forceps holder structure (20) comprises an upper grasping forceps (21) and a lower grasping forceps (22), the end portions of the upper grasping forceps (21) and the lower grasping forceps (22) are fixedly provided with upwards-arranged arc-shaped structures, and meshing teeth which are matched with each other are fixed between the upper grasping forceps (21) and the lower grasping forceps (22).

5. The beak pliers with spring catch device of claim 4, wherein: the upper grasping forceps (21) and the lower grasping forceps (22) are both L-shaped structures, hollow grooves (23) are formed in one sides, close to the guide tubes (50), of the upper grasping forceps (21) and the lower grasping forceps (22), limiting columns (41) are arranged inside the hollow grooves (23), and the limiting columns (41) are fixed to one ends of the push-pull rods (40).

6. The beak pliers with spring catch device of claim 5, wherein: an inflation channel (211) is arranged in the upper grasping forceps (21), the inflation channel (211) extends to the interior of the forceps tube (30), a balloon (212) used for inflating the inflation channel (211) is fixed at the top end of the forceps tube (30), and a sliding-off prevention air outlet (213) communicated with the inflation channel (211) is arranged on the surface of the upper grasping forceps (21).

7. The beak pliers with the spring catch device of claim 1, wherein: one end of the push-pull rod (40) far away from the clamp structure (20) is fixed with the end part of the movable handle (12) through a connecting rod (42), the connecting rod (42) is movably connected with the push-pull rod (40), and the movable handle (12) is movably connected with the inner part of the clamp pipe (30) through a movable shaft.

8. The beak pliers with spring catch device of claim 5, wherein: the upper grasping forceps (21) and the lower grasping forceps (22) are connected through a first spring (24), and the upper grasping forceps (21) and the lower grasping forceps (22) are movably connected with the inner portion of the guide pipe (50) through movable shafts.

9. The beak pliers with the spring catch device of claim 1, wherein: the top parts of the fixed handle (11) and the movable handle (12) are fixed through a return spring (13).