CN217430056U

CN217430056U - Bending device of surgical operation instrument

Info

Publication number: CN217430056U
Application number: CN202122898353.6U
Authority: CN
Inventors: 张跃丙; 黄劲洪; 李嘉玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-09-16
Anticipated expiration: 2031-11-24

Abstract

The embodiment of the application discloses surgical operation apparatus's device that turns round, including connecting block one, connecting block two, ejector pad one and ejector pad two, the both sides of connecting block one bottom all are connected with the connecting plate, two the equal swing joint in bottom of connecting plate inner chamber has the action wheel, and two action wheels pass through the dead lever to be connected, the middle part at two tops of connecting block is connected with the dead lever, the top of connecting plate inner chamber is equipped with two springs, the other end and the diaphragm of spring are connected. The application provides a pair of surgical instruments's device that turns round, through big bevel gear, ejector pad two, bevel pinion and connecting block one's setting, ejector pad two can drive out the gear revolve at the in-process that removes, the gear passes through the connecting rod and drives bevel pinion and rotate, bevel pinion drives the big bevel gear who is connected with it and rotates, big bevel gear passes through round bar and rectangular block and drives connecting block one and rotate, circular motion can be in the horizontal plane to surgical instruments's execution portion.

Description

Bending device of surgical operation instrument

Technical Field

The present application relates to the field of medical instruments, and more particularly, to a bending device for a surgical instrument.

Background

In the case of surgical operation, most hospitals observe the internal tissues of a patient through an endoscope, and during suturing, the external intervention operation treatment is performed on the internal tissues of the patient through an operation surgical machine and a cutting suturing device is operated to suture the internal tissues of the patient through the endoscope. The device that turns round of present surgical operation machinery function singleness, when utilizing the device angle of adjustment that turns round to sew up human tissue, the operation is complicated, and the angle modulation is inconvenient, and stability is relatively poor when adjusting the angle of the device that turns round, and the precision is lower to it is inconvenient to operate when operating surgical operation machinery to sew up or cut.

When the cutting stitching instrument performs the bending operation of the executing part, the hand holding the operating handle by a doctor keeps the overall stability of the cutting stitching instrument, the knob is rotated by the other hand to realize the control of the bending operation of the executing part, sometimes, the knob needs to be rotated with great force, and the cutting stitching instrument shakes when the two hands exert force, so that the controllability and the operation stability of the executing doctor are poor when the executing part is manually controlled by the doctor, and the operation is laborious.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present application provides a bending device for surgical instruments, comprising a first connecting block, a second connecting block, a first pushing block and a second pushing block, wherein two sides of the bottom of the first connecting block are connected with connecting plates, the bottom ends of the two connecting plate inner cavities are movably connected with driving wheels, the two driving wheels are connected through fixing rods, the middle part of the top of the second connecting block is connected with the fixing rods, two springs are arranged at the top end of the inner cavity of the connecting plate, the other ends of the springs are connected with a transverse plate, the middle part of the bottom of the transverse plate is connected with one end of a transmission chain, the transmission chain is wound on the outer ring of the driving wheels, the other end of the transmission chain penetrates through the connecting plates and the connecting blocks and extends to the upper part of the first connecting block, the transmission chain is movably connected with the connecting plates and the first connecting blocks, and the middle part of the top of the first connecting block is connected with a rectangular block, the top of rectangle piece is connected with the round bar, the top of round bar is connected with big bevel gear, the middle part of ejector pad two is equipped with the fluting, and one side of fluting inner chamber evenly is equipped with the latch, and the middle part of fluting inner chamber is equipped with the gear with latch meshing, the gear passes through the connecting rod and is connected with the middle part of little bevel gear one side, big bevel gear and little bevel gear meshing, the outer lane swing joint of rectangle piece has the drum, the top of drum is equipped with the spout, and the inner chamber swing joint of spout has branch, the other end and the ejector pad one side of branch are connected, drive chain's the other end is connected with one side of drum bottom.

Preferably, the first connecting block is in contact with the bottom of the grab handle, and the cylinder, the round rod, the supporting rod, the large bevel gear, the connecting rod, the small bevel gear and the second pushing block are movably connected with the inner cavity of the grab handle.

Preferably, one side at the top end of the inner cavity of the grab handle is provided with a slot, the first push block is movably connected with the slotted inner cavity, an iron sheet is embedded on the inner wall of the slot, the first push block is made of a magnet, and the outer surface of the first push block is provided with anti-skidding lines.

Preferably, ejector pad two and one side swing joint on grab handle top, and ejector pad two are located ejector pad one directly over, the connecting rod run through the lateral wall of grab handle inner chamber and with the lateral wall swing joint of grab handle, the middle part in the two outsides of ejector pad is equipped with anti-skidding line, the material of ejector pad two is magnet, the grab handle is inlayed with the position of two contacts of ejector pad and is had the iron sheet.

Preferably, the shape of the supporting rod is L-shaped, and the shape of the sliding groove matched with the supporting rod is convex.

The utility model discloses following beneficial effect has:

the application provides a pair of surgical instruments's device that turns round, through big bevel gear, ejector pad two, bevel pinion and connecting block one's setting, ejector pad two can drive out the gear revolve at the in-process that removes, the gear passes through the connecting rod and drives bevel pinion and rotate, bevel pinion drives the big bevel gear who is connected with it and rotates, big bevel gear passes through round bar and rectangular block and drives connecting block one and rotate, circular motion can be in the horizontal plane to surgical instruments's execution portion.

The application provides a pair of surgical instruments's device that turns round, through ejector pad one, branch, the stay cord, the setting of action wheel and connecting block two, the user removes the ejector pad one time, the ejector pad one drives the branch of being connected with it and removes in the vertical direction, branch drives the drum and removes, the drum drives the drive chain and removes, drive chain drives the action wheel rotation of meshing with it at the in-process that removes, the action wheel passes through the dead lever and drives two rotations of connecting block, circular motion can be in vertical face to the execution portion of surgical instruments.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

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

FIG. 2 is an exploded view of the structure of FIG. 1 of the present invention;

FIG. 3 is a schematic view of the meshing principle of a large bevel gear and a small bevel gear of the structure of the present invention;

FIG. 4 is a schematic view of the transmission principle of the driving wheel of the structure of the present invention;

FIG. 5 is a schematic view of the structure of the present invention connected to a handle of a surgical instrument.

In the figure: 1. a first connecting block; 2. a second connecting block; 3. a connecting plate; 4. a cylinder; 5. a strut; 6. a first push block; 7. a round bar; 8. a large bevel gear; 9. clamping teeth; 10. a gear; 11. a bevel pinion gear; 12. a second push block; 13. a handle; 14. grooving; 15. a driving wheel; 16. a drive chain; 17. a spring; 18. and (5) fixing the rod.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1 to 4, a bending device of a surgical instrument comprises a first connecting block 1, a second connecting block 2, a first pushing block 6 and a second pushing block 12, wherein both sides of the bottom of the first connecting block 1 are connected with connecting plates 3, the bottom ends of the inner cavities of the two connecting plates 3 are movably connected with driving wheels 15, the two driving wheels 15 are connected through a fixing rod 18, the middle of the top of the second connecting block 2 is connected with the fixing rod 18, the fixing rod 18 connected with the driving wheels 15 can be driven to rotate through the rotation of the driving wheels 15 through the arrangement of the driving wheels 15 and the fixing rod 18, the fixing rod 18 drives the second connecting block 2 to rotate, the second connecting block 2 is connected with an executing part of the surgical instrument, the top end of the inner cavity of the second connecting block 3 is provided with two springs 17, the other ends of the springs 17 are connected with a transverse plate, the middle of the bottom of the transverse plate is connected with one end of a transmission chain 16, and the transverse plate can be upwards pushed by the resilience force of the springs 17, the transverse plate drives a transmission chain 16 to move, the transmission chain 16 is wound on the outer ring of the driving wheel 15, the transmission chain 16 is meshed with the driving wheel 15, the transmission chain 16 can drive the driving wheel 15 to rotate in the moving process, the other end of the transmission chain 16 penetrates through the connecting plate 3 and the connecting block I1 and extends to the upper portion of the connecting block I1, the transmission chain 16, the connecting plate 3 and the connecting block I1 are movably connected, the transmission chain 16 is convenient to move, the middle of the top of the connecting block I1 is connected with a rectangular block, the top of the rectangular block is connected with a round rod 7, the top of the round rod 7 is connected with a large bevel gear 8, the middle of the pushing block II 12 is provided with a groove, one side of the groove inner cavity is uniformly provided with clamping teeth 9, the middle of the groove inner cavity is provided with a gear 10 meshed with the clamping teeth 9, and the pushing block II 12 can drive the clamping teeth 9 to move when moving, the latch 9 drives a gear 10 engaged with the latch to rotate, the gear 10 is connected with the middle part of one side of a small bevel gear 11 through a connecting rod, the rotation of the gear 10 can drive the small bevel gear 11 to rotate, a large bevel gear 8 is engaged with the small bevel gear 11, the small bevel gear 11 can drive a large bevel gear 8 engaged with the small bevel gear to rotate, the large bevel gear 8 drives a rectangular block and a connecting block I1 to rotate through a round rod 7 connected with the large bevel gear, the connecting block I1 and a connecting block II 2 are used in a matched mode, so that the angle of an execution part can be adjusted according to requirements, a cylinder 4 is movably connected to the outer ring of the rectangular block, the cylinder 4 can move in the vertical direction relative to the rectangular block but cannot move in the circumferential direction relative to the rectangular block through the arrangement of the rectangular block and the cylinder 4, a sliding groove is arranged at the top of the cylinder 4, a support rod 5 is movably connected to the inner cavity of the sliding groove, and the support rod 5 is L-shaped, the shape of spout is protruding type, through the setting of spout with branch 5 shape, drum 4 is when circular motion under the effect of rectangular block, branch 5's position remains unchanged, when branch 5 moved in vertical direction, branch 5 drove drum 4 and removes, the other end and the ejector pad of branch 5 are connected, the other end and the one side of drum 4 bottom of drive chain 16 are connected, through the setting of ejector pad 6, convenient to use person drives branch 5 through ejector pad 6 and removes.

Referring to fig. 5, the first connecting block 1 contacts with the bottom of the handle 13, the cylinder 4, the round bar 7, the supporting bar 5, the large bevel gear 8, the connecting rod, the small bevel gear 11 and the second pushing block 12 are all movably connected with the inner cavity of the handle 13, one side of the top end of the inner cavity of the handle 13 is provided with a slot 14, the first pushing block 6 is movably connected with the inner cavity of the slot 14, the inner wall of the slot 14 is inlaid with an iron sheet, the first pushing block 6 is made of a magnet, through the arrangement of the iron sheet and the magnet, the position of the first pushing block 6 is kept unchanged when the position of the first pushing block 6 is not subjected to the force exerted thereon by a user, the outer surface of the first pushing block 6 is provided with anti-slip lines, through the arrangement of the anti-slip lines, the user can drive the first pushing block 6 to move, the second pushing block 12 is movably connected with one side of the top end of the handle 13, the second pushing block 12 can move in the vertical direction, and is positioned right above the first pushing block 6, the connecting rod penetrates through the side wall of the inner cavity 13 and is movably connected with the side wall of the handle 13, the middle part of the outer side of the second pushing block 12 is provided with anti-skid grains, the second pushing block 12 is made of a magnet, an iron sheet is embedded at the contact part of the grab handle 13 and the second pushing block 12, and the position of the second pushing block 12 can be kept unchanged through the arrangement of the material of the second pushing block 12, so that the use of surgical instruments is facilitated.

To sum up, when the device is used, the device is connected with a handle 13 of a surgical instrument, an execution part of the surgical instrument is connected with a second connecting block 2, when the execution part needs to do circular motion in a horizontal plane, a thumb of a user is contacted with a second pushing block 12, the second pushing block 12 is driven by the thumb to move, a latch 9 is driven by the second pushing block 12 to move in the moving process, the latch 9 drives a gear 10 meshed with the latch to rotate, the gear 10 drives a small bevel gear 11 to rotate through a connecting rod, the small bevel gear 11 drives a large bevel gear 8 meshed with the small bevel gear to rotate, the large bevel gear 8 drives a first connecting block 1 to rotate, the execution part can do circular motion in the horizontal plane, when the execution part needs to do circular motion in a vertical plane, the user drives the first pushing block 6 to move through the thumb, the first pushing block 6 drives a strut 5 to move, the strut 5 drives a transmission chain 16 to move through a cylinder 4, the transmission chain 16 drives a driving wheel 15 to rotate, the driving wheel 15 drives the second connecting block 2 to rotate through the fixing rod 18, and the second connecting block 2 drives the executing part to rotate.

Finally, it should be noted that: the electrical components related to the present application are all commercially available and are all prior art, and the above embodiments are only used for illustrating the technical solution of the present application and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. A bending device of surgical operation instruments comprises a first connecting block (1), a second connecting block (2), a first pushing block (6) and a second pushing block (12), and is characterized in that two sides of the bottom of the first connecting block (1) are connected with connecting plates (3), the bottom ends of the inner cavities of the two connecting plates (3) are movably connected with driving wheels (15), the two driving wheels (15) are connected through fixing rods (18), the middle of the top of the second connecting block (2) is connected with the fixing rods (18), two springs (17) are arranged at the top ends of the inner cavities of the connecting plates (3), the other ends of the springs (17) are connected with a transverse plate, the middle of the bottom of the transverse plate is connected with one end of a transmission chain (16), the transmission chain (16) is wound on the outer ring of the driving wheels (15), the other end of the transmission chain (16) penetrates through the connecting plates (3) and the first connecting block (1) and extends to the upper side of the first connecting block (1), the transmission chain (16) is movably connected with the connecting plate (3) and the connecting block I (1), the middle of the top of the connecting block I (1) is connected with a rectangular block, the top of the rectangular block is connected with a round rod (7), the top of the round rod (7) is connected with a large bevel gear (8), the middle of the pushing block II (12) is provided with a slot, one side of a slot inner cavity is uniformly provided with a latch (9), the middle of the slot inner cavity is provided with a gear (10) meshed with the latch (9), the gear (10) is connected with the middle of one side of a small bevel gear (11) through a connecting rod, the large bevel gear (8) is meshed with the small bevel gear (11), the outer ring of the rectangular block is movably connected with a cylinder (4), the top of the cylinder (4) is provided with a chute, the inner cavity of the chute is movably connected with a support rod (5), the other end of the support rod (5) is connected with the pushing block I (6), the other end of the transmission chain (16) is connected with one side of the bottom of the cylinder (4).

2. The bending device for surgical instruments according to claim 1, wherein the first connecting block (1) is in contact with the bottom of the handle (13), and the cylinder (4), the round bar (7), the supporting bar (5), the large bevel gear (8), the connecting bar, the small bevel gear (11) and the second pushing block (12) are movably connected with the inner cavity of the handle (13).

3. The bending device for surgical instruments according to claim 2, wherein a slot (14) is formed in one side of the top end of the inner cavity of the handle (13), the first push block (6) is movably connected with the inner cavity of the slot (14), iron sheets are embedded in the inner wall of the slot (14), the first push block (6) is made of a magnet, and anti-slip threads are formed on the outer surface of the first push block (6).

4. The bending device of the surgical instrument according to claim 2, wherein the second pushing block (12) is movably connected with one side of the top end of the handle (13), the second pushing block (12) is located right above the first pushing block (6), the connecting rod penetrates through the side wall of the inner cavity of the handle (13) and is movably connected with the side wall of the handle (13), anti-slip threads are arranged in the middle of the outer side of the second pushing block (12), the second pushing block (12) is made of a magnet, and an iron sheet is embedded in a contact part of the handle (13) and the second pushing block (12).

5. A surgical instrument bending device according to claim 1, wherein the strut (5) is L-shaped and the runner adapted to the strut (5) is convex.