CN215018133U

CN215018133U - Traction device for hepatobiliary surgery with adjustable opening size

Info

Publication number: CN215018133U
Application number: CN202120159206.4U
Authority: CN
Inventors: 刘林; 谢辉; 杨洁
Original assignee: Peoples Hospital of Deyang City
Current assignee: Peoples Hospital of Deyang City
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-12-07
Anticipated expiration: 2031-01-20

Abstract

The utility model belongs to the technical field of medical instrument, a tractive device is used in adjustable opening size hepatobiliary operation is related to, wherein, including the fixture block, fixed surface is connected with quick-witted case on the fixture block, quick-witted incasement portion fixedly connected with motor, motor output shaft fixed surface is connected with the threaded rod, threaded rod fixed surface is connected with the pivot, quick-witted incasement portion fixedly connected with bearing, the pivot is worn to establish in the bearing, movable storehouse has been seted up to machine case surface. The traction device has the beneficial effects that the traction device with the adjustable opening size for the hepatobiliary surgery has the advantages that through the arrangement of the motor, the threaded rod and the threaded cap, when the height of the drag hook is adjusted, people control the motor to operate through the control switch, then the threaded rod is driven to rotate, and the threaded cap and the connecting ring are driven to move simultaneously, so that the drag hook is driven to ascend to an appointed height, and under the action of the motor, the threaded rod and the threaded cap, the height of the drag hook can be adjusted by people conveniently.

Description

Traction device for hepatobiliary surgery with adjustable opening size

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to adjustable opening size tractive device for hepatobiliary surgery.

Background

The biliary surgery mainly treats diseases such as hepatobiliary pancreatic tumor, cholelithiasis, portal hypertension, and the like, in the clinical treatment at present, when resection of liver tumor, hepatic cyst, cholecystolithiasis, tumor and the like is performed under a laparoscope, a surgical instrument is often required to be used for lifting liver tissue, or focus and surrounding tissues are separated and pulled, a drag hook device is required in the process, in order to not influence the visual field of a doctor in the operation process, a plurality of drag hooks are generally adopted by the traditional drag hook device to outwardly pull the incision of the operation in different directions, in order to keep the traction force, the rear end of the drag hook needs to be fixed on an operation bed through a fixed tool such as a nut, and the fixing mode is complicated, so that the technical improvement is required to achieve the purposes of simple opening adjustment and simple operation.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a traction device for hepatobiliary surgery with adjustable opening size, which solves the technical problem of inconvenient adjustment.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an adjustable opening size tractive device for hepatobiliary surgery, includes the fixture block, fixed surface is connected with quick-witted case on the fixture block, the inside fixedly connected with motor of machine case, motor output shaft fixed surface is connected with the threaded rod, threaded rod fixed surface is connected with the pivot, the inside fixedly connected with bearing of machine case, the pivot is worn to establish in the bearing, the movable storehouse has been seted up to machine case surface, threaded rod surface threaded connection has the screw cap, screw cap swing joint is at the activity inslot, screw cap fixed surface is connected with the go-between, the inside movable storehouse of having seted up of go-between, movable storehouse is total four, and two bisymmetries are seted up inside the go-between.

As a further aspect of the present invention: the movable bin is characterized in that the surface of the movable bin is provided with two first through holes, the first through holes are symmetrically formed in the surface of the movable bin, a sliding rod penetrates through the first through holes, and a first handle is fixedly connected to the surface of the sliding rod.

As a further aspect of the present invention: the surface of the sliding rod is sleeved with a limiting ring, the surface of the sliding rod is sleeved with a spring, the surface of the sliding rod is fixedly connected with a limiting block, and the surface of the connecting ring is provided with a second through hole.

As a further aspect of the present invention: the number of the second through holes is four, the second through holes are symmetrically arranged on the surface of the connecting ring in pairs, the connecting rods penetrate through the second through holes, the surfaces of the connecting rods are provided with clamping grooves, and the clamping grooves are multiple in number and are arranged on the surfaces of the connecting rods.

As a further aspect of the present invention: the slide bar joint is in the draw-in groove, connecting rod one end fixedly connected with second handle, connecting rod other end fixedly connected with drag hook, the screw is worn to be equipped with on the fixture block lower surface, the screw is total two, and the symmetry wears to establish on the fixture block surface, screw upper surface fixedly connected with slipmat.

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

1. this tractive device is used in operation of adjustable opening size hepatobiliary, through setting up motor, threaded rod and screw cap, when highly adjusting the drag hook, people pass through control switch control motor operation, and then drive the threaded rod and rotate, drive screw cap and go-between simultaneously and remove to drive the drag hook and rise appointed height, under the effect of motor, threaded rod and screw cap, the height of the drag hook is adjusted to the people of being more convenient for.

2. This tractive device is used in operation of adjustable opening size hepatobiliary, through setting up the slide bar, spring and connecting rod, when adjusting the position of drag hook, the people stimulates the first in command, and then shifts out the slide bar from the draw-in groove, then the people loosen the first in command after adjusting appointed position with the connecting rod, makes the slide bar joint in the draw-in groove, under the effect of slide bar, spring and connecting rod, the position of the drag hook is adjusted to the people of being more convenient for to adjust operation open-ended size.

3. This tractive device is used in operation of adjustable opening size hepatobiliary, through setting up fixture block, screw and slipmat, when installing the device, people pass through the fixture block joint with the device in appointed position, then people tighten the screw, and then make the device joint in appointed position, under the effect of fixture block, screw and slipmat, the people of being more convenient for fix the device's position, simultaneously under the effect of slipmat, has strengthened the device's stability.

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 front view of the present invention;

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is an enlarged schematic structural view of the position A of the present invention;

fig. 4 is a three-dimensional structure diagram of the connection ring of the present invention;

in the figure: 1. a clamping block; 2. a chassis; 3. a motor; 4. a threaded rod; 5. a rotating shaft; 6. a bearing; 7. a movable groove; 8. a threaded cap; 9. a connecting ring; 10. a movable bin; 11. a first through hole; 12. a slide bar; 13. a first handle; 14. a limiting ring; 15. a spring; 16. a limiting block; 17. a second through hole; 18. a connecting rod; 19. a card slot; 20. a second handle; 21. pulling a hook; 22. a screw; 23. a non-slip mat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: a traction device for hepatobiliary surgery with adjustable opening size comprises a clamping block 1, a case 2 is fixedly connected to the upper surface of the clamping block 1, a motor 3 is fixedly connected to the inner part of the case 2, a threaded rod 4 is fixedly connected to the surface of an output shaft of the motor 3, a rotating shaft 5 is fixedly connected to the surface of the threaded rod 4, a bearing 6 is fixedly connected to the inner part of the case 2, the rotating shaft 5 penetrates through the bearing 6, a movable bin 10 is arranged on the surface of the case 2, a threaded cap 8 is connected to the surface of the threaded rod 4 in a threaded manner, the motor 3, the threaded rod 4 and the threaded cap 8 are arranged, when the height of a drag hook 21 is adjusted, people control the motor 3 to operate by controlling a switch, further drive the threaded rod 4 to rotate, simultaneously drive the threaded cap 8 and a connecting ring 9 to move, thereby driving the drag hook 21 to ascend to a designated height, and under the action of the motor 3, the threaded rod 4 and the threaded cap 8, the height of the drag hook 21 can be more conveniently adjusted, the screw cap 8 is movably connected in the movable groove 7, the surface of the screw cap 8 is fixedly connected with a connecting ring 9, the connecting ring 9 is internally provided with four movable bins 10, and the movable bins 10 are symmetrically arranged in the connecting ring 9.

Specifically, the surface of the movable bin 10 is provided with two first through holes 11, the two first through holes 11 are symmetrically formed in the surface of the movable bin 10, a sliding rod 12 penetrates through the first through hole 11, and a first handle 13 is fixedly connected to the surface of the sliding rod 12.

Specifically, a limiting ring 14 is sleeved on the surface of the sliding rod 12, a spring 15 is sleeved on the surface of the sliding rod 12, a limiting block 16 is fixedly connected to the surface of the sliding rod 12, and a second through hole 17 is formed in the surface of the connecting ring 9.

Concretely, the second through-hole 17 is total four, and two bisymmetry sets up on go-between 9 surfaces, wear to be equipped with connecting rod 18 in the second through-hole 17, through setting up slide bar 12, spring 15 and connecting rod 18, when adjusting the position of drag hook 21, the people stimulate the first in command 13, and then move out slide bar 12 from draw-in groove 19, then people loosen the first in command 13 after adjusting appointed position with connecting rod 18, make slide bar 12 joint in draw-in groove 19, at slide bar 12, spring 15 and connecting rod 18's effect down, the position of drag hook 21 is adjusted to the people of being more convenient for, thereby adjust operation open-ended size, draw-in groove 19 has been seted up on connecting rod 18 surfaces, draw-in groove 19 is total a plurality of, all set up on connecting rod 18 surfaces.

Specifically, slide bar 12 joint is in draw-in groove 19, connecting rod 18 one end fixedly connected with second handle 20, connecting rod 18 other end fixedly connected with drag hook 21, screw 22 wears to be equipped with to 1 lower surface of fixture block, screw 22 is total two, and the symmetry wears to establish on 1 surface of fixture block, screw 22 last fixed surface is connected with slipmat 23, through setting up fixture block 1, screw 22 and slipmat 23, when installing the device, people pass through 1 joint of fixture block in appointed position with the device, then people tighten screw 22, and then make the device joint in appointed position, at fixture block 1, under the effect of screw 22 and slipmat 23, the people of being more convenient for fix the device's position, simultaneously under the effect of slipmat 23, the device's stability has been strengthened.

The utility model discloses a theory of operation does:

s1, firstly, people clamp the device at a specified position through the clamping block 1 and then tighten the screw 22, so that the device is fixed at the specified position, and the anti-slip pad 23 can enhance the stability of the device and prevent the device from loosening;

s2, controlling the motor 3 to operate by a control switch, driving the threaded rod 4 to rotate by the operation of the motor 3, driving the threaded cap 8 and the connecting ring 9 to move to a specified height by the rotation of the threaded rod 4, and adjusting the draw hook 21 to the specified height;

s3, the person pulls the first handle 13 to move the sliding rod 12 out of the clamping groove 19, then the person releases the first handle 13 after adjusting the connecting rod 18 to the designated position, so that the sliding rod 12 is clamped in the clamping groove 19 to fix the position of the draw hook 21, and the size of the operation opening is adjusted.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.

In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides an adjustable opening size tractive device for hepatobiliary surgery, includes fixture block (1), its characterized in that: the upper surface of the clamping block (1) is fixedly connected with a case (2), the interior of the case (2) is fixedly connected with a motor (3), the surface of the output shaft of the motor (3) is fixedly connected with a threaded rod (4), the surface of the threaded rod (4) is fixedly connected with a rotating shaft (5), a bearing (6) is fixedly connected in the case (2), the rotating shaft (5) is arranged in the bearing (6) in a penetrating way, a movable bin (10) is arranged on the surface of the case (2), a threaded cap (8) is connected with the surface of the threaded rod (4) in a threaded manner, the screw cap (8) is movably connected in the movable groove (7), the surface of the screw cap (8) is fixedly connected with a connecting ring (9), the movable bins (10) are arranged in the connecting ring (9), the number of the movable bins (10) is four, and the movable bins are symmetrically arranged in the connecting ring (9) in pairs.

2. The traction device for hepatobiliary surgery with adjustable opening size according to claim 1, wherein: first through-hole (11) have been seted up on activity storehouse (10) surface, first through-hole (11) are total two, and the symmetry is seted up on activity storehouse (10) surface, wear to be equipped with slide bar (12) in first through-hole (11), slide bar (12) fixed surface is connected with the first in command (13).

3. The traction device for hepatobiliary surgery with adjustable opening size according to claim 2, wherein: the surface of the sliding rod (12) is sleeved with a limiting ring (14), the surface of the sliding rod (12) is sleeved with a spring (15), the surface of the sliding rod (12) is fixedly connected with a limiting block (16), and the surface of the connecting ring (9) is provided with a second through hole (17).

4. The traction device for hepatobiliary surgery with adjustable opening size according to claim 3, wherein: the number of the second through holes (17) is four, every two of the second through holes are symmetrically formed in the surface of the connecting ring (9), the connecting rods (18) penetrate through the second through holes (17), the surfaces of the connecting rods (18) are provided with clamping grooves (19), and the clamping grooves (19) are multiple in number and are formed in the surfaces of the connecting rods (18).

5. The traction device for hepatobiliary surgery with adjustable opening size according to claim 4, wherein: the novel clamping device is characterized in that the sliding rod (12) is clamped in the clamping groove (19), one end of the connecting rod (18) is fixedly connected with a second handle (20), the other end of the connecting rod (18) is fixedly connected with a drag hook (21), the lower surface of the clamping block (1) is provided with screws (22), the number of the screws (22) is two, the screws are symmetrically arranged on the surface of the clamping block (1), and the upper surface of each screw (22) is fixedly connected with an anti-slip pad (23).