CN112641473B

CN112641473B - Laparoscopic surgery instrument with aspirator function

Info

Publication number: CN112641473B
Application number: CN202011537504.9A
Authority: CN
Inventors: 刘志宁
Original assignee: Second Affiliated Hospital of Anhui Medical University
Current assignee: Second Affiliated Hospital of Anhui Medical University
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2022-02-15
Anticipated expiration: 2040-12-23
Also published as: CN112641473A

Abstract

The invention relates to a laparoscopic surgical instrument with a suction unit function, which belongs to the technical field of surgical instruments and comprises a handle and an outer sleeve positioned at one end of the handle, wherein an inner sleeve is arranged inside the outer sleeve, an operating head is arranged at one end of the inner sleeve and positioned at the opening position of the outer sleeve, a clamping mechanism is arranged at the rear end of the operating head, the clamping mechanism penetrates through the inside of the handle and extends to the operating handle, the operating handle is rotatably connected to the lower end of the handle through a rotating shaft, a spring leaf is arranged between the operating handle and the handle, the operating handle presses the spring leaf to drive the clamping mechanism to enable the operating head to operate and clamp, the inner sleeve penetrates through the handle and extends out of the handle, and a tube collecting mechanism is arranged below the extending end of the inner sleeve; compared with the prior art, the invention ensures that one laparoscopic surgical instrument can complete the functions of clamping, rotating and sucking, and the operating head does not influence the work of the suction tube during sucking, thereby shortening the operation time and ensuring the safe operation of the operation.

Description

Laparoscopic surgery instrument with aspirator function

Technical Field

The invention belongs to the technical field of surgical instruments, and particularly relates to a laparoscopic surgical instrument with a suction apparatus function.

Background

A laparoscopic surgical instrument is an instrument with a miniature camera, and comprises a laparoscope, a light source and an operating tube. Laparoscopic surgery is a procedure performed using a laparoscope and its associated instruments: the cold light source is used for providing illumination, the laparoscope lens is inserted into the abdominal cavity, the digital camera shooting technology is used for leading the image shot by the laparoscope lens to be transmitted to the post-stage signal processing system through the optical fiber and to be displayed on the special monitor in real time, then the doctor analyzes and judges the state of an illness of a patient through the images of different angles of organs of the patient displayed on the monitor screen, and a special laparoscope instrument is used for performing an operation.

When carrying out laparoscopic surgery, the smog that patient affected part tissue flow, hydrops, electrocision produced etc. can't in time clear up, form to disturb and influence doctor's operation and operation field of vision, the doctor of not being convenient for to the observation of affected part, cause the affected part to infect simultaneously easily, influence laparoscopic surgery's normal clear up. Accordingly, a laparoscopic surgical instrument with a suction function is proposed.

Disclosure of Invention

The invention aims to provide a laparoscopic surgical instrument with a suction apparatus function, so as to solve the problems in the background technology.

The invention realizes the purpose through the following technical scheme:

the utility model provides a take laparoscopic surgery apparatus of aspirator function, includes the handle and is located the outer tube of handle one end, the inside interior sleeve pipe that is equipped with of outer tube, interior sheathed tube one end are equipped with the operating head, and the operating head is located outer tube open position department, the rear end of operating head is equipped with fixture, fixture passes the inside extension of handle to the operating handle on, the operating handle rotates through the pivot and connects at the handle lower extreme, be equipped with the spring leaf between operating handle and the handle, operating handle press the spring leaf and drive fixture and make operating head operation centre gripping action, interior sleeve pipe passes outside the handle extends to the handle, the below of interior sleeve pipe extension end is equipped with receipts pipe mechanism for in receiving the operating head to the outer tube, be located the handle on the interior sheathed tube outer wall be equipped with the runner, be used for driving interior sleeve pipe to both sides rotation, interior sheathed tube inside is equipped with attracts the pipe, the suction tube is used for suction in laparoscopic surgery, an inlet of the suction tube is positioned in the center of the operating head, and an outlet of the suction tube extends to the tail end of the inner sleeve.

As a further optimization scheme of the invention, the operating head comprises an outer clamping plate and an inner clamping plate, the inner clamping plate is embedded in the outer clamping plate, the outer clamping plate and the inner clamping plate are connected outside the inner sleeve pipe through connecting shafts, and the lower ends of the outer clamping plate and the inner clamping plate are respectively provided with two outward groups of extension rods for connecting a clamping mechanism.

As a further optimization scheme of the invention, the clamping mechanism comprises a pin shaft, a first spring, a connecting rod and a first wire drawing, wherein the pin shaft is used for connecting two groups of extension rods and the connecting rod at the lower end of the outer clamping plate or the inner clamping plate, the tail ends of the connecting rods connected with the extension rods at the lower end of the outer clamping plate or the inner clamping plate on the same side are connected through a rotating shaft, the wire drawing is arranged on the rotating shaft, the wire drawing penetrates through the outer sleeve and the handle and extends to the operating handle, and the first spring is arranged between the extension rod on the same side and the opposite connecting rod.

As a further optimization scheme of the invention, a telescopic section is arranged in the middle of the drawn wire, and two sides of the inner wall of the handle are respectively provided with a limiting block which has a limiting effect on the drawn wire.

As a further optimization scheme of the invention, the outer wall of the tail end of the inner sleeve is provided with a convex ring for limiting the movement of the inner sleeve relative to the outer sleeve.

As a further optimization scheme of the invention, the pipe collecting mechanism comprises a pressing plate, a fork plate, a second spring and a hinge shaft seat, wherein the pressing plate and the fork plate are integrally connected, the middle turning part of the pressing plate is connected to the hinge shaft seat through a hinge shaft, the hinge shaft seat is positioned on the outer wall of the handle, the second spring is positioned between the outer wall of the pressing plate and the outer wall of the handle, and the fork plate is positioned on the inner side of the convex ring of the inner sleeve.

As a further optimization scheme of the invention, the outer surface of the handle is provided with an arc-shaped opening, a part of the upper end of the rotating wheel extends out of the arc-shaped opening, and the outer surface of the rotating wheel is provided with strip-shaped carving patterns.

The invention has the beneficial effects that: 1. through the arranged suction tube, blood, effusion and smog generated by electric excision flowing out of the tissues of the affected part of the patient can be cleaned in time, the operation time is shortened, and the safe operation is ensured;

2. the suction tube is arranged in the middle of the operating head, so that the operation of the operating head is not influenced, and the space at the front end of the outer sleeve is saved to the maximum extent;

3. when the suction tube sucks, the operating head can be retracted into the inner sleeve through the tube retracting mechanism, so that the operating head is prevented from obstructing the work of the suction tube.

Drawings

FIG. 1 is a schematic view showing the overall construction of a laparoscopic surgical instrument with a suction function according to the present invention;

FIG. 2 is a schematic view showing an internal structure of the laparoscopic surgical instrument with a suction function of the present invention;

FIG. 3 is a schematic view of the operating end structure of the laparoscopic surgical instrument with a suction function of the present invention;

FIG. 4 is a schematic view illustrating a structure of a suction tube of the laparoscopic surgical instrument with a suction function according to the present invention;

FIG. 5 is a schematic view showing the positions of the fork plate and the collar of the laparoscopic surgical instrument with a suction function of the present invention

In the figure: 1. a handle; 2. an outer sleeve; 3. an inner sleeve; 31. a convex ring; 4. an operating head; 41. an outer splint; 42. an inner splint; 43. an extension pole; 5. a clamping mechanism; 51. a pin shaft; 52. a first spring; 53. a connecting rod; 54. drawing wires; 55. a telescopic section; 56. a limiting block; 6. an operating handle; 61. a rotating shaft; 7. a spring plate; 8. a rotating wheel; 9. a pipe collecting mechanism; 91. a pressing plate; 92. a fork plate; 93. a second spring; 94. a hinge shaft seat; 10. a suction tube; 101. an inlet; 102. and (7) an outlet.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

As shown in fig. 1 to 5, the laparoscopic surgical instrument with a suction unit function of this embodiment includes a handle 1 and an outer sleeve 2 located at one end of the handle 1, an inner sleeve 3 is disposed inside the outer sleeve 2, an operating head 4 is disposed at one end of the inner sleeve 3, the operating head 4 is located at an opening of the outer sleeve 2, a clamping mechanism 5 is disposed at a rear end of the operating head 4, the clamping mechanism 5 passes through the inside of the handle 1 and extends to an operating handle 6, the operating handle 6 is rotatably connected to a lower end of the handle 1 through a rotating shaft 61, a spring 7 is disposed between the operating handle 6 and the handle 1, the operating handle 6 presses the spring 7 to drive the clamping mechanism 5 to enable the operating head 4 to operate and clamp, the inner sleeve 3 passes through the handle 1 and extends to the outside of the handle 1, a tube retracting mechanism 9 is disposed below an extending end of the inner sleeve 3 and is used for retracting the operating head 4 into the outer sleeve 2, a rotating wheel 8 is disposed on an outer wall of the inner sleeve 3 located in the handle 1, the device is used for driving the inner sleeve 3 to rotate towards two sides, the suction tube 10 is arranged inside the inner sleeve 3 and used for playing a role of suction in laparoscopic surgery, blood, effusion and smog generated by electrotomy flowing out of tissues at the affected part of a patient can be cleaned in time, the inlet 101 of the suction tube 10 is positioned in the center of the operating head 4, the outlet 102 of the suction tube 10 extends to the tail end of the inner sleeve 3, and the space at the front end of the outer sleeve is saved to the maximum extent.

The operating head 4 comprises an outer clamping plate 41 and an inner clamping plate 42, the inner clamping plate 42 is embedded in the outer clamping plate 41, the outer clamping plate 41 and the inner clamping plate 42 are connected outside the inner sleeve 3 through connecting shafts, two groups of outward extension rods 43 are arranged at the lower ends of the outer clamping plate 41 and the inner clamping plate 42 and are used for connecting a clamping mechanism 5, the clamping mechanism 5 comprises a pin shaft 51, a first spring 52, a connecting rod 53 and a wire drawing 54, the pin shaft 51 is used for connecting the two groups of extension rods 43 at the lower ends of the outer clamping plate 41 or the inner clamping plate 42 with the connecting rod 53, the extension rods 43 are connected with the connecting rod 53, the extension rods 43 and the connecting rod 53 at the lower ends of the outer clamping plate 41 or the inner clamping plate 42 are distributed at two sides of the inner sleeve 3, the tail ends of the connecting rods 53 connected with the extension rods 43 at the lower ends of the same side of the outer clamping plate 41 or the inner clamping plate 42 are connected through rotating shafts, the wire drawing 54 is arranged on the rotating shafts, the wire drawing 54 passes through the outer sleeve 2 and the handle 1 and extends to the operating handle 6, the two sides of the inner sleeve 3 are provided with the wire drawing 54, spring 52 sets up between homonymy extension rod 43 and relative connecting rod 53, drag the wire drawing 54 after, connecting rod 53 atress, then extension rod 43 atress of outer splint 41 or inner splint 42 lower extreme, make outer splint 41 and inner splint 42 realize the deciliter action, the wire drawing 54 releases the back, the elastic action of spring 52 makes connecting rod 53 reset, every group wire drawing 54 intermediate position is equipped with flexible section 55, can extend and shorten, when outer sleeve pipe 3 rotates, the flexible section 55 of wire drawing 54 expandes and provides certain torsional length, the inner wall both sides of handle 1 all are equipped with stopper 56 that plays limiting displacement to wire drawing 54, prevent that wire drawing 54 from shifting.

The outer wall of the tail end of the inner sleeve 3 is provided with a convex ring 31 for limiting the movement of the inner sleeve 3 relative to the outer sleeve 2, the tube retracting mechanism 9 comprises a pressing plate 91, a fork plate 92, a spring II 93 and a hinge seat 94, the pressing plate 91 is integrally connected with the fork plate 92, the middle turning part of the pressing plate 91 is connected with the hinge seat 94 through the hinge, the hinge seat 94 is positioned on the outer wall of the handle 1, the spring II 93 is positioned between the outer wall of the pressing plate 91 and the outer wall of the handle 1, the fork plate 92 is positioned at the inner side of the convex ring 31 of the inner sleeve 3, when the function of the suction tube 10 is performed, the thumb presses the pressing plate 91 downwards, the fork plate 92 moves backwards to extrude the convex ring 31 to move backwards, so that the inner sleeve 3 moves outwards, the operating head 4 at one end of the inner sleeve 3 enters the inner cavity of the inner sleeve 2, the suction tube 10 in the middle of the operating head 4 is exposed, after the suction is completed, the force is applied to extrude the inner sleeve 3 inwards, so that the operating head 4 reproduces.

The outer surface of the handle 1 is provided with an arc-shaped opening, a part of the upper end of the rotating wheel 8 extends out of the arc-shaped opening, the outer surface of the rotating wheel 8 is provided with a strip-shaped sculpture, and when the handle is used, a thumb rotates upwards or downwards on the rotating wheel 8 to enable the inner sleeve 3 to rotate within ninety degrees up and down.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. The utility model provides a take laparoscopic surgery apparatus of aspirator function, includes handle (1) and outer tube (2) that are located handle (1) one end, its characterized in that, interior sleeve pipe (3) is equipped with to outer tube (2) inside, be equipped with protruding circle (31) on the terminal outer wall of interior sleeve pipe (3) for the limiting displacement of interior sleeve pipe (3) for outer tube (2) removes, the one end of interior sleeve pipe (3) is equipped with operating head (4), and operating head (4) are located outer tube (2) open position department, the rear end of operating head (4) is equipped with fixture (5), fixture (5) pass handle (1) inside extend to on operating handle (6), operating handle (6) rotate through pivot (61) and connect handle (1) lower extreme, be equipped with spring leaf (7) between operating handle (6) and handle (1), the operation handle (6) presses spring leaf (7) to drive clamping mechanism (5) so that operation head (4) operate the clamping action, interior sleeve pipe (3) passes handle (1) and extends outside handle (1), the below that interior sleeve pipe (3) extends the end is equipped with receipts pipe mechanism (9) for in receiving outer tube (2) with operation head (4), receive pipe mechanism (9) including pressing down board (91), fork board (92), spring two (93) and hinge axle seat (94), press down board (91) and fork board (92) body coupling, the middle turn department of pressing down board (91) is connected on hinge axle seat (94) through the hinge axle, hinge axle seat (94) are located the outer wall of handle (1), spring two (93) are located and press down between board (91) outer wall and handle (1) outer wall, fork board (92) are located the convex circle (31) of interior sleeve pipe (3) inboard, be located and be equipped with runner (8) on the outer wall of interior sleeve pipe (3) in handle (1) for drive interior sleeve pipe (3) and rotate to both sides, the inside of interior sleeve pipe (3) is equipped with attracts pipe (10), is used for playing the suction effect in laparoscopic surgery, attracts import (101) of pipe (10) to be located the center of operating head (4), and the export (102) of attracting pipe (10) extend to the end of interior sleeve pipe (3).

2. The laparoscopic surgical instrument with the aspirator function according to claim 1, wherein the operating head (4) comprises an outer clamping plate (41) and an inner clamping plate (42), the inner clamping plate (42) is embedded in the outer clamping plate (41), the outer clamping plate (41) and the inner clamping plate (42) are connected outside the inner sleeve (3) through connecting shafts, and the lower ends of the outer clamping plate (41) and the inner clamping plate (42) are provided with two sets of outward extension rods (43) for connecting the clamping mechanism (5).

3. The laparoscopic surgical instrument with the aspirator function according to claim 2, wherein the clamping mechanism (5) comprises a pin shaft (51), a first spring (52), a connecting rod (53) and a pull wire (54), the pin shaft (51) is used for connecting two groups of extension rods (43) and the connecting rod (53) at the lower end of the outer splint (41) or the inner splint (42), the ends of the connecting rod (53) connected with the extension rods (43) at the lower end of the outer splint (41) or the inner splint (42) on the same side are connected through a rotating shaft, the pull wire (54) is arranged on the rotating shaft, the pull wire (54) passes through the outer sleeve (2) and the handle (1) and extends to the operating handle (6), and the first spring (52) is arranged between the extension rod (43) on the same side and the opposite connecting rod (53).

4. The laparoscopic surgical instrument with the aspirator function according to claim 3, wherein a telescopic section (55) is arranged in the middle of the pull wire (54), and two sides of the inner wall of the handle (1) are provided with limit blocks (56) for limiting the pull wire (54).

5. The laparoscopic surgical instrument with the aspirator function according to claim 1, wherein the outer surface of the handle (1) is provided with an arc-shaped opening, a part of the upper end of the rotating wheel (8) extends out of the arc-shaped opening, and the outer surface of the rotating wheel (8) is provided with a strip-shaped sculpture.