CN217960235U

CN217960235U - Clinical multi-angle nipper for digestive endoscopy

Info

Publication number: CN217960235U
Application number: CN202220055724.6U
Authority: CN
Inventors: 胡银清; 孙大勇; 丁世华; 于从; 宋志红; 李娜
Original assignee: Shenzhen Second Peoples Hospital
Current assignee: Shenzhen Second Peoples Hospital
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-12-06
Anticipated expiration: 2032-01-10

Abstract

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a clinical multi-angle nipper for digestive endoscopy, including fixed handle, the top of fixed handle is provided with rotates the seat, rotate the seat and rotate the one end of connecting transmitting gear and movable rod through the pivot, transmitting gear's terminal surface fixed connection is on the lateral wall of movable rod, the inside of fixed handle has set gradually drive gear and driving gear and be located transmitting gear's below, the utility model discloses an outside air pump provides power, adjusts the back through the governing valve, transmits gas for pneumatic bag through the trachea, and pneumatic bag promotes the roof motion under the effect of atmospheric pressure, the tip sliding connection of roof and cross connecting rod for cross connecting rod alternately drives the nipper and presss from both sides tightly or loosen, and structural design is simple, and the motion stability is strong, and outside air pump improves power, is convenient for control and regulation and convenient operation.

Description

Clinical multi-angle nipper for digestive endoscopy

Technical Field

The utility model relates to the technical field of medical equipment, specifically be a clinical multi-angle nipper for digestive endoscopy.

Background

In the digestive endoscopy operation process, the nylon ring can be fixed at the periphery of a perforation by adopting a clamp, then the nylon ring is tightened to suture a wound or connect tissues, however, for larger digestive tract perforation such as gastric perforation, the jaw of a common grasping forceps is smaller, the periphery of the perforation wound surface is often difficult to completely grasp to gather, a plurality of clamps are used simultaneously, the operation is very difficult, the clamps are easy to fall off, the success rate is low, the digestive tract perforation is clinically common surgical acute abdomen, the onset of an emergency is urgent, the disease condition changes rapidly, emergency treatment is required, the emergency surgical operation can be generally performed, however, with the rapid development of the digestive endoscopy technology, the gastrointestinal perforation can also be directly closed under an endoscope at present, so that a patient is prevented from suffering from huge operative trauma, but for some gastrointestinal perforation in the endoscope technology at present, the two ends of the existing perforation clamp part are difficult to clamp and close.

The nylon ring is fixed at the periphery of a perforation by a plurality of clips, and then the nylon ring is tightened, but the method is difficult to operate, the clips are easy to fall off in the folding process, the success rate is not high, and the nylon ring cannot be popularized to basic medical health units.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clinical multi-angle nipper for digestive endoscopy to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a clinical multi-angle nipper for digestive endoscopy, includes the fixed handle, the top of fixed handle is provided with rotates the seat, rotate the seat through the pivot and rotate the one end of connecting rotating gear and movable rod, rotating gear's terminal surface fixed connection is on the lateral wall of movable rod, the inside of fixed handle has set gradually drive gear and driving gear and is located the below of rotating gear, one side of driving gear is provided with the rack bar, the bottom of fixed handle corresponds the rack bar and has seted up the through-hole, the bottom of rack bar is connected with the gag lever post, the top of gag lever post is run through the through-hole and is extended to the inside of fixed handle, be provided with the spring leaf between rack bar and the gag lever post, the one end that the rack bar was kept away from to the gag lever post is provided with the fixture block, the inside wall of fixed handle corresponds the fixture block and is provided with the draw-in groove, the bottom of fixed handle is provided with the connecting hole, the inside of connecting hole is provided with the trachea, the trachea is connected with the governing valve and is located the outside of fixed handle, the governing valve passes through the pipe connection air pump, the trachea extends to the movable rod internal connection has pneumatic bag, the one end that the fixed handle was kept away from the pneumatic bag, the cross connecting rod connects nipper.

As the utility model discloses preferred scheme, the connected mode of rolling gear and driving gear and drive gear is the meshing connection.

As the utility model discloses preferred scheme, the connected mode of rack bar and fixed handle is sliding connection, the connected mode of rack bar and driving gear is connected for the meshing, the connected mode of rack bar and gag lever post is connected for rotating.

As the utility model discloses preferred scheme, the connected mode of gag lever post and fixed handle is sliding connection, the connected mode of fixture block and draw-in groove is the joint.

As the utility model discloses preferred scheme, be pneumatic extending structure in the middle of the pneumatic bag, tracheal one end is kept away from to pneumatic bag is provided with the roof, the terminal surface of roof is provided with the spout, the tip of cross connection rod is sliding connection with the connected mode of spout.

As the utility model discloses preferred scheme, the nipper rotates the tip of connection at the movable rod through the pivot, the link of nipper rotates the tip of connecting the cross connection rod, the work end of nipper is provided with the antiskid cover.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, provide power through outside air pump, adjust the back through the governing valve, with gaseous through the trachea transmission for pneumatic bag, pneumatic bag promotes the roof motion under the effect of atmospheric pressure, the tip sliding connection of roof and cross connecting rod for cross connecting rod alternately drives the nipper and presss from both sides tightly or loosen, and structural design is simple, and the motion stability is strong, and outside air pump improves power, is convenient for control and regulation and convenient operation.

2. The utility model discloses in, through set up the gear drive structure in fixed handle, utilize rack bar and driving gear meshing to drive rolling gear, rolling gear drives the movable rod and rotates certain angle, can realize the multi-angle operation to utilize the cooperation of gag lever post, rack bar and spring leaf, combine draw-in groove and fixture block joint, can stabilize the turned angle of movable rod, the stability and the practicality of reinforcing device.

Drawings

FIG. 1 is a side view of the structure of the present invention;

FIG. 2 is a schematic view of the inside of the fixing handle structure of the present invention;

FIG. 3 is a schematic view of the inside of the movable rod structure of the present invention;

fig. 4 is a schematic view of the structure of the pneumatic bag of the present invention.

In the figure: 1. a fixed handle; 2. a rotating gear; 3. a movable rod; 4. a transmission gear; 5. a driving gear; 6. a rack bar; 7. a limiting rod; 8. a spring plate; 9. an air pipe; 10. adjusting a valve; 11. an air pump; 12. a pneumatic bag; 13. a cross connecting rod; 14. grasping forceps; 15. an anti-slip sleeve; 101. a rotating seat; 102. a through hole; 103. a card slot; 104. connecting holes; 701. a clamping block; 1201. a top plate; 12011. a chute.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of making the disclosure more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present invention provides a technical solution:

a multi-angle nipper for a clinical digestive endoscope comprises a fixed handle 1, wherein the top end of the fixed handle 1 is provided with a rotating seat 101, the rotating seat 101 is rotatably connected with one end of a rotating gear 2 and a movable rod 3 through a rotating shaft, the end surface of the rotating gear 2 is fixedly connected on the side wall of the movable rod 3, a transmission gear 4 and a driving gear 5 are sequentially arranged inside the fixed handle 1 and below the rotating gear 2, one side of the driving gear 5 is provided with a rack rod 6, the bottom of the fixed handle 1 is provided with a through hole 102 corresponding to the rack rod 6, the bottom of the rack rod 6 is connected with a limiting rod 7, the top end of the limiting rod 7 penetrates through the through hole 102 and extends to the inside of the fixed handle 1, be provided with spring leaf 8 between rack bar 6 and the gag lever post 7, the one end that rack bar 6 was kept away from to gag lever post 7 is provided with fixture block 701, the inside wall of fixed handle 1 corresponds fixture block 701 and is provided with draw-in groove 103, the bottom of fixed handle 1 is provided with connecting hole 104, the inside of connecting hole 104 is provided with trachea 9, trachea 9 is and be located the outside of fixed handle 1 and be connected with governing valve 10, governing valve 10 passes through pipe connection air pump 11, outside air pump 11 control, convenient regulation and use, trachea 9 extends to 3 internal connection of movable rod has pneumatic bag 12, the one end that fixed handle 1 was kept away from to pneumatic bag 12 is connected with cross connecting rod 13, nipper 14 is connected to cross connecting rod 13's the other end, structural design is simple, the motion mode is stable.

In an embodiment, referring to fig. 1 and 2, the rotating gear 2 and the pinion gear 5 are connected to the transmission gear 4 in a meshing manner, the gear can stably transmit motion and can enlarge an angle by a gear ratio, the rack bar 6 is connected to the fixed handle 1 in a sliding manner to convert the sliding of the rack bar 6 into the rotating of the pinion gear 5, the rack bar 6 is connected to the pinion gear 5 in a meshing manner, the rack bar 6 is connected to the limit rod 7 in a rotating manner, the limit rod 7 is connected to the fixed handle 1 in a sliding manner, the latch 701 is connected to the latch slot 103 in a latching manner, the rack bar 6 is connected to the end of the limit rod 7 in a rotating manner, the latch 701 is always latched to the latch slot 103 under the action of the spring piece 8 in a normal state, and when the action force of the spring piece 8 is applied, the latch 701 is disengaged from the latch slot 103, and the rack bar 6 and the limit rod 7 can slide relative to the fixed handle 1 to adjust the angle of the movable rod 3.

In an embodiment, referring to fig. 1, 3 and 4, a pneumatic telescopic structure is arranged in the middle of the pneumatic bag 12, a top plate 1201 is arranged at one end of the pneumatic bag 12, which is far away from the air tube 9, a sliding groove 12011 is arranged on an end surface of the top plate 1201, the end portion of the cross connecting rod 13 is connected with the sliding groove 12011 in a sliding manner, the pneumatic bag 12 is used for telescopically pushing the top plate 1201, the end portion of the cross connecting rod 13 slides in the sliding groove 12011 in a relative direction to open or close the other end of the cross connecting rod 13, the grasper 14 is rotatably connected to the end portion of the movable rod 3 through a rotating shaft, a connecting end of the grasper 14 is rotatably connected to the end portion of the cross connecting rod 13, the grasper 14 is driven by opening or closing the cross connecting rod 13, and an anti-slip sleeve 15 is arranged at a working end of the grasper 14, so as to enhance friction between the grasper 14 and a nylon ring, enhance stability of the device and prevent the grasper 14 from injuring tissues.

The utility model discloses work flow: firstly, a movable rod 3 and a rotating gear 2 are rotatably connected on a rotating seat 101, a transmission gear 4 and a driving gear 5 are sequentially arranged in the fixed handle 1 and below the rotating gear 2, a rack bar 6 is arranged on one side of the driving gear 5, a through hole 102 is arranged at the bottom of the fixed handle 1 corresponding to the rack bar 6, a limiting rod 7 is connected at the bottom of the rack bar 6, the top end of the limiting rod 7 penetrates through the through hole 102 and extends into the fixed handle 1, a spring piece 8 is arranged between the rack bar 6 and the limiting rod 7, a clamping block 701 is arranged at one end of the limiting rod 7 far away from the rack bar 6, a clamping groove 103 is arranged at the inner side wall of the fixed handle 1 corresponding to the clamping block 701, the rotating gear 2 and the transmission gear 4 are in meshed connection, the rack bar 6 is in sliding connection with the fixed handle 1, the rack bar 6 is in meshed connection with the driving gear 5, the rack bar 6 is in rotary connection with the limiting rod 7, the clamping groove 7 is in sliding connection with the fixed handle 1, the clamping groove 103 is in connection, the clamping connection of the clamping block 6 and the clamping groove 103, the rack bar 6 and the driving gear 5, the driving gear 3 and the driving gear 3, the clamping groove 103 are capable of transmitting the linear motion of the rack bar 3, the driving gear, the rack bar 3, the driving gear 701, the clamping groove 103 is realized by the rack bar, the driving gear 3, the clamping groove 103, the air pipe 9 is arranged inside the connecting hole 104, the air pipe 9 is connected with the regulating valve 10 on the outer side of the fixed handle 1, the regulating valve 10 is connected with the air pump 11 through a pipeline, the external air pump 11 is controlled and convenient to regulate and use, the air pipe 9 extends to the movable rod 3, the pneumatic bag 12 is connected inside the movable rod, one end, far away from the fixed handle 1, of the pneumatic bag 12 is connected with the cross connecting rod 13, the other end of the cross connecting rod 13 is connected with the grasping forceps 14, the middle of the pneumatic bag 12 is of a pneumatic telescopic structure, one end, far away from the air pipe 9, of the pneumatic bag 12 is provided with the top plate 1201, the end, far away from the air pipe 9, of the pneumatic bag 12 is provided with the sliding groove 12011, the end of the cross connecting rod 13 is connected with the sliding groove 12011 in a sliding mode, the top plate 1201 is pushed telescopically by the pneumatic bag 12, the end of the cross connecting rod 13 slides oppositely in the sliding groove 12011 to open or close the other end of the cross connecting rod 13, the grasping forceps 14 are rotatably connected with the end through a rotating shaft, the connecting end of the cross connecting rod 13 is driven by opening or closing of the grasping forceps 14, the working end of the grasping forceps 14 is provided with the anti-slip sleeve 15, friction between the grasping forceps 14 and the nylon ring is enhanced, and the stability of the grasping forceps 14 is enhanced, and the grasping forceps is enhanced, and the tissue of the grasping forceps 14 is prevented from being damaged.

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

Claims

1. The utility model provides a clinical multi-angle nipper for digestive endoscope, includes fixed handle (1), its characterized in that: the tracheal cannula fixing device is characterized in that a rotating seat (101) is arranged at the top end of the fixed handle (1), the rotating seat (101) is rotatably connected with one ends of a rotating gear (2) and a movable rod (3) through a rotating shaft, the end face of the rotating gear (2) is fixedly connected to the side wall of the movable rod (3), a transmission gear (4) and a driving gear (5) are sequentially arranged inside the fixed handle (1) and below the rotating gear (2), a rack rod (6) is arranged on one side of the driving gear (5), a through hole (102) is formed in the bottom of the fixed handle (1) corresponding to the rack rod (6), a limiting rod (7) is connected to the bottom of the rack rod (6), the top end of the limiting rod (7) penetrates through the through hole (102) and extends to the inside of the fixed handle (1), a spring sheet (8) is arranged between the rack rod (6) and the limiting rod (7), a clamping block (701) is arranged at one end of the limiting rod (7) far away from the rack rod (6), a clamping block (701) is arranged on the inner side wall (701) of the clamping block (103) corresponding to the clamping block (701), a connecting hole (104) is arranged on the bottom of the fixed handle (1), and an adjusting valve (104) is arranged on the outside of the tracheal cannula (9) and is arranged on the trachea (9) and positioned outside of the trachea (9), the adjustable air pressure type pneumatic clamp is characterized in that the adjusting valve (10) is connected with an air pump (11) through a pipeline, the air pipe (9) extends to the inner portion of the movable rod (3) and is connected with a pneumatic bag (12), one end, far away from the fixed handle (1), of the pneumatic bag (12) is connected with a cross connecting rod (13), and the other end of the cross connecting rod (13) is connected with a pair of graspers (14).

2. The multi-angle grasper for a clinical digestive endoscope according to claim 1, wherein: the rotating gear (2) and the driving gear (5) are connected with the transmission gear (4) in a meshing manner.

3. The multi-angle grasper for a clinical digestive endoscope according to claim 2, wherein: the rack rod (6) is connected with the fixed handle (1) in a sliding mode, the rack rod (6) is connected with the driving gear (5) in a meshing mode, and the rack rod (6) is connected with the limiting rod (7) in a rotating mode.

4. The multi-angle grasper for a clinical digestive endoscope according to claim 3, wherein: the limiting rod (7) is connected with the fixed handle (1) in a sliding mode, and the clamping block (701) is connected with the clamping groove (103) in a clamping mode.

5. The multi-angle grasper for a clinical digestive endoscope according to claim 4, wherein: the middle of the pneumatic bag (12) is of a pneumatic telescopic structure, one end, far away from the air pipe (9), of the pneumatic bag (12) is provided with a top plate (1201), the end face of the top plate (1201) is provided with a sliding groove (12011), and the end portion of the cross connecting rod (13) is in sliding connection with the sliding groove (12011).

6. The multi-angle grasper for a clinical digestive endoscope according to claim 5, wherein: the grasping forceps (14) are rotatably connected to the end part of the movable rod (3) through a rotating shaft, the connecting end of the grasping forceps (14) is rotatably connected to the end part of the cross connecting rod (13), and the working end of the grasping forceps (14) is provided with an anti-skidding sleeve (15).