CN214712698U

CN214712698U - Laparoscopic scalpel

Info

Publication number: CN214712698U
Application number: CN202120084364.8U
Authority: CN
Inventors: 张建生
Original assignee: Tianjin Baodi Hospital
Current assignee: Tianjin Baodi Hospital
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-11-16
Anticipated expiration: 2031-01-13

Abstract

The utility model discloses a laparoscopic surgery sword, including the regulating part, the cavity has been seted up to the inside of regulating part, fixedly connected with corotation motor and reversal motor respectively in the bottom both sides of cavity, the top of corotation motor and reversal motor is keyed joint respectively has the pivot, the inside of pivot is seted up flutedly, the inner wall of recess is fixedly connected with limiting plate respectively, the inside of recess is rotated and is connected with the main shaft, fixedly connected with gag lever post respectively in the outside of main shaft, the spacing groove has been seted up to the inside of gag lever post, the spacing spring of inside fixedly connected with spacing spring of spacing groove, one side fixedly connected with stopper that spacing spring kept away from the spacing groove, the top fixedly connected with action wheel of main shaft, the top meshing of action wheel has from the driving wheel. The laparoscopic scalpel is novel in structure and ingenious in conception, the direction of the blade can be adjusted, the wound area of an operation position is reduced, and the postoperative recovery speed of a patient is improved.

Description

Laparoscopic scalpel

Technical Field

The utility model relates to the technical field of medical equipment, specifically a laparoscopic surgery sword.

Background

The laparoscopic surgery is a newly developed minimally invasive method, is a necessary trend of the development of a future surgical method, and with the rapid advance of industrial manufacturing technology, the fusion of related subjects lays a firm foundation for the development of new technology and new method, and the more and more skillful operation of doctors is added, so that many past open surgeries are replaced by intracavity surgeries, and the surgery selection opportunities are greatly increased.

The blade that laparoscopic surgery used at present generally adopts the form of scissors, and the structure is comparatively simple, and can't adjust the blade direction, leads to the operation position wound great easily when carrying out laparoscopic surgery, stretches into deeply, and is big to normal tissue damage, leads to patient postoperative to resume slower.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a laparoscopic surgery sword, this laparoscopic surgery sword, novel structure thinks about ingeniously, can adjust the direction of blade, reduces the wound area at operation position, improves patient's postoperative recovery speed.

In order to achieve the above object, the utility model provides a following technical scheme: a laparoscopic scalpel comprises an adjusting part, wherein a cavity is formed in the adjusting part, a forward rotating motor and a reverse rotating motor are fixedly connected to two sides of the bottom of the cavity respectively, rotating shafts are respectively in keyed connection with the tops of the forward rotating motor and the reverse rotating motor, a groove is formed in the rotating shafts, a limiting plate is respectively and fixedly connected to the inner wall of the groove, a main shaft is rotatably connected to the inside of the groove, a limiting rod is respectively and fixedly connected to the outer side of the main shaft, a limiting groove is formed in the inner part of the limiting rod, a limiting spring is fixedly connected to the inner part of the limiting groove, a limiting block is fixedly connected to one side, far away from the limiting groove, of the limiting spring, a driving wheel is fixedly connected to the top of the main shaft, driven wheels are meshed to the top of the driving wheel, a threaded sleeve is fixedly connected between the two driven wheels, and a movable block is in threaded connection with the outer side of the threaded sleeve, the utility model discloses a cavity, including regulation portion, fan-shaped gear, regulation portion, bottom fixedly connected with of blade, the inside swing joint of regulation portion has the blade, the bottom fixedly connected with of blade extends to the inside sector gear of cavity, the bottom fixedly connected with handle of regulation portion, the both sides of handle are provided with first control switch and second control switch respectively.

Preferably, the front end of the adjusting part is provided with an opening.

Preferably, one end of the limiting block is obliquely arranged.

Preferably, the threaded sleeve is internally provided with a support rod fixedly connected with the left inner wall and the right inner wall of the cavity.

Preferably, a rack matched with the sector gear is arranged on the outer side of the movable block.

Preferably, the first control switch and the second control switch are electrically connected with the forward rotation motor and the reverse rotation motor respectively.

The utility model has the advantages that:

1. the utility model discloses a rotating shaft, including positive rotation motor and counter rotation motor, the pivot drives the pivot rotation, the pivot drives the main shaft rotation through the mating reaction of limiting plate and stopper, because the stopper slope sets up, and then reach the pivot and can drive the main shaft rotation, and the main shaft can not drive pivot pivoted effect, drive from the driving wheel rotation through the action wheel during the main shaft rotates, drive the threaded sleeve rotation from the driving wheel, and then drive the movable block and remove left or right, the rack that rethread movable block outside set up realizes the upset of blade certain angle with sector gear's mating reaction, reach the effect of adjusting the direction of blade, and then it is less to the wound of operation position, improve patient's postoperative recovery rate.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall plane structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a top sectional view of the connecting structure of the spindle and the main shaft of the present invention;

fig. 4 is the schematic diagram of the internal structure of the limiting rod of the present invention.

Reference numbers in the figures: 1. an adjustment section; 2. a cavity; 3. a forward rotation motor; 4. a reverse motor; 5. a rotating shaft; 6. a groove; 7. a limiting plate; 8. a main shaft; 9. a limiting rod; 10. a limiting groove; 11. a limiting spring; 12. a limiting block; 13. a driving wheel; 14. a driven wheel; 15. a threaded bushing; 16. a movable block; 17. a support bar; 18. a blade; 19. a sector gear; 20. a handle; 21. a first control switch; 22. a second control switch.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying fig. 1-4.

Given by fig. 1-4, the utility model provides the following technical scheme: a laparoscopic scalpel comprises an adjusting part 1, wherein a cavity 2 is formed in the adjusting part 1, two sides of the bottom of the cavity 2 are respectively and fixedly connected with a forward rotation motor 3 and a reverse rotation motor 4, the tops of the forward rotation motor 3 and the reverse rotation motor 4 are respectively in keyed connection with a rotating shaft 5, a groove 6 is formed in the rotating shaft 5, the inner wall of the groove 6 is respectively and fixedly connected with a limiting plate 7, the inner part of the groove 6 is rotatably connected with a main shaft 8, the outer side of the main shaft 8 is respectively and fixedly connected with a limiting rod 9, a limiting groove 10 is formed in the limiting rod 9, a limiting spring 11 is fixedly connected in the limiting groove 10, a limiting block 12 is fixedly connected on one side of the limiting spring 11 away from the limiting groove 10, a driving wheel 13 is fixedly connected to the top of the main shaft 8, a driven wheel 14 is meshed to the top of the driving wheel 13, a threaded sleeve 15 is fixedly connected between the two driven wheels 14, and a movable block 16 is in threaded connection with the outer side of the threaded sleeve 15, the interior of the adjusting part 1 is movably connected with a blade 18, the bottom of the blade 18 is fixedly connected with a sector gear 19 extending to the interior of the cavity 2, the bottom of the adjusting part 1 is fixedly connected with a handle 20, two sides of the handle 20 are respectively provided with a first control switch 21 and a second control switch 22, the forward rotation motor 3 and the reverse rotation motor 4 are respectively controlled by the first control switch 21 and the second control switch 22, when the forward rotation motor 3 or the reverse rotation motor 4 works, the rotating shaft 5 is driven to rotate, the rotating shaft 5 drives the main shaft 8 to rotate through the matching action of the limiting plate 7 and the limiting block 12, because the limiting block 12 is obliquely arranged, the effect that the main shaft 8 can be driven by the rotating shaft 5 and the main shaft 8 cannot drive the rotating shaft 5 to rotate is achieved, when the main shaft 8 rotates, the driven wheel 14 drives the threaded sleeve 15 to rotate, and then the movable block 16 is driven to move leftwards or rightwards, the blade 18 is turned over at a certain angle under the matching action of the rack arranged on the outer side of the movable block 16 and the sector gear 19, so that the effect of adjusting the direction of the blade 18 is achieved, the wound on the surgical site is small, and the postoperative recovery speed of a patient is improved.

The front end of the adjusting part 1 is provided with an opening for facilitating the direction adjustment of the blade 18.

One end of the limiting block 12 is obliquely arranged, so that the effect that the spindle 5 can drive the spindle 8 to rotate and the spindle 8 cannot drive the spindle 5 to rotate is achieved.

The threaded sleeve 15 is internally provided with a support rod 17 fixedly connected with the left and right inner walls of the cavity 2, and the threaded sleeve 15 is supported by the support rod 17.

The outer side of the movable block 16 is provided with a rack matched with the sector gear 19, and the blade 18 is turned over at a certain angle through the matching action of the rack arranged on the outer side of the movable block 16 and the sector gear 19.

The first control switch 21 and the second control switch 22 are electrically connected to the forward rotation motor 3 and the reverse rotation motor 4, respectively, and the forward rotation motor 3 and the reverse rotation motor 4 are controlled by the first control switch 21 and the second control switch 22, respectively.

When the utility model is used, the corotation motor 3 and the reversal motor 4 are respectively controlled by the first control switch 21 and the second control switch 22, when the corotation motor 3 or the reversal motor 4 works, the rotating shaft 5 is driven to rotate, the rotating shaft 5 drives the main shaft 8 to rotate through the cooperation of the limiting plate 7 and the limiting block 12, because the limiting block 12 is obliquely arranged, the rotating shaft 5 can drive the main shaft 8 to rotate, but the main shaft 8 can not drive the rotating shaft 5 to rotate, the main shaft 8 drives the driven wheel 14 to rotate through the driving wheel 13 when rotating, the driven wheel 14 drives the threaded sleeve 15 to rotate, and further drives the movable block 16 to move leftwards or rightwards, the overturning of the blade 18 with a certain angle is realized through the cooperation of the rack arranged outside the movable block 16 and the sector gear 19, the effect of adjusting the direction of the blade 18 is achieved, and further the wound of the operation part is small, improving the postoperative recovery speed of the patient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A laparoscopic scalpel comprising an adjustment part (1), characterized in that: the adjustable type motor is characterized in that a cavity (2) is formed in the adjusting portion (1), two sides of the bottom of the cavity (2) are fixedly connected with a forward rotation motor (3) and a reverse rotation motor (4) respectively, the tops of the forward rotation motor (3) and the reverse rotation motor (4) are respectively in keyed connection with a rotating shaft (5), a groove (6) is formed in the rotating shaft (5), a limiting plate (7) is fixedly connected to the inner wall of the groove (6) respectively, a main shaft (8) is rotatably connected to the inner portion of the groove (6), a limiting rod (9) is fixedly connected to the outer side of the main shaft (8) respectively, a limiting groove (10) is formed in the limiting rod (9), a limiting spring (11) is fixedly connected to the inner portion of the limiting groove (10), a limiting block (12) is fixedly connected to one side, far away from the limiting groove (10), of the limiting spring (11), and a driving wheel (13) is fixedly connected to the top of the main shaft (8), the meshing of the top of action wheel (13) has from driving wheel (14), two fixedly connected with screw sleeve (15) between follow driving wheel (14), the outside threaded connection of screw sleeve (15) has movable block (16), the inside swing joint of regulating part (1) has blade (18), the bottom fixedly connected with of blade (18) extends to cavity (2) inside sector gear (19), the bottom fixedly connected with handle (20) of regulating part (1), the both sides of handle (20) are provided with first control switch (21) and second control switch (22) respectively.

2. The laparoscopic surgical knife of claim 1, wherein: the front end of the adjusting part (1) is provided with an opening.

3. The laparoscopic surgical knife of claim 1, wherein: one end of the limiting block (12) is obliquely arranged.

4. The laparoscopic surgical knife of claim 1, wherein: the threaded sleeve (15) is internally provided with a support rod (17) which is fixedly connected with the left inner wall and the right inner wall of the cavity (2).

5. The laparoscopic surgical knife of claim 1, wherein: and a rack matched with the sector gear (19) is arranged on the outer side of the movable block (16).

6. The laparoscopic surgical knife of claim 1, wherein: the first control switch (21) and the second control switch (22) are respectively electrically connected with the forward rotating motor (3) and the reverse rotating motor (4).