CN212729878U

CN212729878U - Wound expanding device for hepatobiliary surgery

Info

Publication number: CN212729878U
Application number: CN202020602330.9U
Authority: CN
Inventors: 胡乃军
Original assignee: First Affiliated Hospital of Jinzhou Medical University
Current assignee: First Affiliated Hospital of Jinzhou Medical University
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-03-19
Anticipated expiration: 2030-04-21

Abstract

The utility model provides a wound expanding unit that hepatobiliary surgery used, including expansion subassembly and fixed subassembly, the expansion subassembly includes the horizontal pole, horizontal pole one end is connected with fixed subassembly, horizontal pole other end fixed mounting expansion frame, fixed mounting link mechanism in the expansion frame, link mechanism includes the connecting rod, the connecting block, actuating lever and driven lever, connecting block bottom demountable installation expansion pole, expansion pole one side fixed mounting silica gel gasket, inside the actuating lever runs through the horizontal pole, actuating lever and regulation carousel screw-thread fit, fixed subassembly includes spring telescopic link, spring telescopic link lower extreme one side fixed mounting fixation clamp, the spring telescopic link top is equipped with the mount pad, the horizontal pole runs through the mount pad, the horizontal pole can be dismantled with the mount pad and be connected. The utility model provides a current wound expanding unit inconvenient fixed with angle modulation, can only carry out the problem of single direction expansion.

Description

Wound expanding device for hepatobiliary surgery

Technical Field

The utility model relates to the field of medical equipment, in particular to wound expanding device for hepatobiliary surgery.

Background

Liver and gall surgery mainly studies hepatocellular carcinoma, hepatobiliary calculus, posthepatitic cirrhosis and acute liver failure caused by severe hepatitis are major diseases seriously threatening the health of Chinese people, the liver and gall surgery usually adopts an operation mode when treating the diseases to cut apart and remove focus so as to achieve the purpose of treatment, but because a plurality of dense blood vessel veins are distributed around the liver, the operation is difficult to be completely and accurately carried out in the operation process, and the operation is carried out in a wound mode, so that the space of the operation wound is limited, and the cavity expansion is difficult to some extent, thereby increasing the difficulty of the operation. The existing wound expanding device for the operation is complex in operation, inconvenient to fix and adjust the angle, can only expand in a single direction, and is inconvenient to clean.

The patent with the publication number of CN210158644U discloses a wound expanding device for hepatobiliary surgery, including first support frame, the inside reservation of first support frame has first spout, first connecting block through connection is in the inside of pulley, the front side swing joint of second support frame has the handle, the right side rear swing joint of head rod has the third connecting block, the right side at the second connecting rod is seted up to the second spout, and the left side swing joint of second connecting rod has the third connecting rod, the rear side swing joint of third connecting rod has the frame, the right side swing joint of frame has the second locating piece, the right side swing joint of fourth connecting rod has the second connecting block, the top right side through connection of first support frame has a locating piece. The device realizes the folding and the contraction of the expansion device through a connecting rod mechanism, but the device still has the problems of unstable fixation and incapability of adjusting the expansion direction.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides a wound expanding device that hepatobiliary surgery used has solved the inconvenient fixed and angle modulation of current wound expanding device, can only carry out the problem of single direction expansion.

The utility model provides a wound expanding unit that hepatobiliary surgery used, including expansion subassembly and fixed subassembly, the expansion subassembly includes the horizontal pole, horizontal pole one end is connected with fixed subassembly, horizontal pole other end fixed mounting expansion frame, fixed mounting link mechanism in the expansion frame, link mechanism includes the connecting rod, the connecting block, actuating lever and driven lever, connecting block bottom demountable installation expansion pole, expansion pole one side fixed mounting silica gel gasket, inside the actuating lever runs through the horizontal pole, actuating lever and regulation carousel screw-thread fit, fixed subassembly includes spring telescopic link, spring telescopic link lower extreme one side fixed mounting fixation clamp, the spring telescopic link top is equipped with the mount pad, the horizontal pole runs through the mount pad, the horizontal pole can be dismantled with the mount pad and be connected.

Preferably, the connecting rod passes through the connecting block end to end and articulates and forms closed rhombus, and the connecting block and the actuating lever of rhombus one end rotate to be connected, actuating lever and expansion frame spiro union, the equal fixed mounting driven lever of connecting block of the other three-terminal of rhombus, connecting block one end and expansion frame sliding connection are kept away from to the driven lever.

Preferably, the expansion frame is one of a square frame and a circular frame, and the included angles between the driven rods are all 90 degrees.

Preferably, the top end of the spring telescopic rod is hinged with the adjusting rod, the top end of the adjusting rod is hinged with the mounting seat, and hinged positions of two ends of the adjusting rod are fixed through fastening bolts.

Preferably, the mount pad includes the sleeve, sleeve both sides fixed mounting fixed block, and the horizontal pole runs through the sleeve, and a plurality of spacing of horizontal pole fixed surface installation, spacing are circular permutation and arrange, and a plurality of spacing grooves have been seted up to sleeve one end inner wall, and spacing and telescopic spacing groove cooperation, sleeve are close to spacing one end outer wall spiro union adapter sleeve, and circular through-hole has been seted up to the adapter sleeve lateral wall, and the internal diameter of circular through-hole is less than the diameter of spacing.

Compared with the prior art, the utility model has the advantages that:

the utility model is fixed with the edge of the sickbed through the fixing clamp, the height and the angle of the expansion component can be adjusted through the spring telescopic rod, the mounting seat and the adjusting rod, the adjusting range is wide, the expansion component can be adjusted to any position for fixing, and the medical staff can conveniently expand the wound; the utility model discloses a rotation is adjusted the carousel and is made the actuating lever rotate and remove along the horizontal direction, and the actuating lever promotes diamond-shaped piece and transversely or longitudinal stretching, fixes the expansion that can accomplish the wound in connecting block bottom demountable installation expansion pole, can select the direction of expansion according to the operation needs.

Drawings

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

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;

FIG. 3 is a schematic view of the expansion assembly of the present invention;

fig. 4 is a schematic structural diagram of the link mechanism of the present invention.

In the figure:

1-an expansion assembly, 2-a fixing assembly, 3-a cross rod, 4-an expansion frame, 5-a link mechanism, 6-a connecting rod, 7-a connecting block, 8-a driving rod, 9-a driven rod, 10-an expansion rod, 11-a silica gel gasket, 12-an adjusting turntable, 13-a spring telescopic rod, 14-a fixing clamp, 15-a mounting seat, 16-an adjusting rod, 17-a sleeve, 18-a fixing block, 19-a fastening sleeve and 301-a limiting strip.

Detailed Description

In order to better enable those skilled in the art to understand the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example 1

As shown in figures 1 and 3-4, a wound expanding device for hepatobiliary surgery comprises an expanding component 1 and a fixing component 2, wherein the expanding component 1 comprises a cross rod 3, one end of the cross rod 3 is connected with the fixing component 2, an expanding frame 4 is fixedly installed at the other end of the cross rod 3, the expanding frame 4 is a circular frame, a connecting rod mechanism 5 is fixedly installed in the expanding frame 4, the connecting rod mechanism 5 comprises a connecting rod 6, a connecting block 7, a driving rod 8 and a driven rod 9, an expanding rod 10 is detachably installed at the bottom of the connecting block 7, a silica gel gasket 11 is fixedly installed on one side of the expanding rod 10, the driving rod 8 penetrates through the inside of the cross rod 3, the driving rod 8 is in threaded fit with an adjusting turntable 12, included angles between the driven rods 9 are all 90 degrees, the fixing component 2 comprises a spring telescopic rod 13, a fixing clamp 14 is fixedly installed on one side of the lower end, the cross bar 3 is detachably connected with the mounting seat 15.

Connecting rod 6 passes through 7 end-to-end hinges of connecting block and forms closed rhombus, and connecting block 7 and the 8 rotations of actuating lever of rhombus one end are connected, 8 spiro couplings of actuating lever and expansion frame 4, and the equal fixed mounting driven lever 9 of connecting block 7 of the other three-terminal of rhombus, 7 one end of connecting block and 4 sliding connection of expansion frame are kept away from to driven lever 9.

The mounting seat 15 includes sleeve 17, sleeve 17 both sides fixed mounting fixed block 18, horizontal pole 3 runs through sleeve 17, a plurality of spacing 301 of 3 fixed surface installations of horizontal pole, spacing 301 is circular permutation and arranges, a plurality of spacing grooves have been seted up to sleeve 17 one end inner wall, spacing 301 and sleeve 17's spacing groove cooperation, sleeve 17 is close to spacing 301 one end outer wall spiro union adapter sleeve 19, circular through-hole has been seted up to 19 lateral walls of adapter sleeve, the internal diameter of circular through-hole is less than the diameter of spacing 301.

Example 2

As shown in fig. 2-4, a wound expanding device for hepatobiliary surgery comprises an expanding assembly 1 and a fixing assembly 2, the expanding assembly 1 comprises a cross rod 3, one end of the cross rod 3 is connected with the fixing assembly 2, an expanding frame 4 is fixedly installed at the other end of the cross rod 3, the expanding frame 4 is a square frame, a link mechanism 5 is fixedly installed in the expanding frame 4, the link mechanism 5 comprises a connecting rod 6, a connecting block 7, a driving rod 8 and a driven rod 9, an expanding rod 10 is detachably installed at the bottom of the connecting block 7, a silica gel gasket 11 is fixedly installed on one side of the expanding rod 10, the driving rod 8 penetrates through the cross rod 3, the driving rod 8 is in threaded fit with an adjusting turntable 12, included angles between the driven rods 9 are all 90 degrees, the fixing assembly 2 comprises a spring telescopic rod 13, a fixing clamp 14 is fixedly installed on one side of the lower end of the spring telescopic rod, the hinged positions of the two ends of the adjusting rod 16 are fixed through fastening bolts, the top end of the spring telescopic rod 13 is provided with a mounting seat 15, the cross rod 3 penetrates through the mounting seat 15, and the cross rod 3 is detachably connected with the mounting seat 15.

The working principle is as follows:

when the utility model is used, the device is clamped and fixed with the edge of the sickbed through the fixing clamp 14, then the height is adjusted by the spring telescopic rod 13, the angle of the cross rod 3 is adjusted by rotating the adjusting rod 16, meanwhile, the fastening sleeve 19 can be unscrewed, the cross rod 3 can be drawn out from the sleeve 17 for a certain distance, so that the limiting strip 301 is separated from the limiting groove of the sleeve 17, then the cross bar 3 is rotated to a required angle, the cross bar 3 is pushed to lead the limiting strip 301 to be inserted into the limiting groove of the sleeve 17, thereby fixing the angle of the cross rod 3, then tightening the fastening sleeve 19 to prevent the horizontal sliding of the cross rod 3, completing the adjustment of the angle of the expansion frame 4, after the device fixes and adjusts the angle of the expansion frame 4, the driving rod 8 rotates and moves along the horizontal direction by rotating the adjusting turntable 12, the driving rod 8 pushes the diamond-shaped piece to stretch transversely or longitudinally, and the expansion rod 10 which is fixed at the bottom of the connecting block 7 and can be detachably mounted can complete the expansion of the wound.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean 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 do not necessarily 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.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the specific implementations of the invention. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A wound expanding device for hepatobiliary surgery, comprising: the expansion assembly comprises an expansion assembly (1) and a fixing assembly (2), wherein the expansion assembly (1) comprises a transverse rod (3), one end of the transverse rod (3) is connected with the fixing assembly (2), an expansion frame (4) is fixedly installed at the other end of the transverse rod (3), a connecting rod mechanism (5) is fixedly installed in the expansion frame (4), the connecting rod mechanism (5) comprises a connecting rod (6), a connecting block (7), a driving rod (8) and a driven rod (9), an expansion rod (10) is detachably installed at the bottom of the connecting block (7), a silica gel gasket (11) is fixedly installed on one side of the expansion rod (10), the driving rod (8) penetrates through the inside of the transverse rod (3), the driving rod (8) is in threaded fit with an adjusting turntable (12), the fixing assembly (2) comprises a spring telescopic rod (13), and a fixing clamp (14) is fixedly installed on one side of, spring telescopic link (13) top is equipped with mount pad (15), mount pad (15) are run through in horizontal pole (3), horizontal pole (3) can be dismantled with mount pad (15) and be connected.

2. A hepatobiliary surgical wound dilation device as claimed in claim 1, wherein: the connecting rod (6) is hinged end to end through connecting blocks (7) to form a closed diamond-shaped piece, the connecting blocks (7) at one end of the diamond-shaped piece are rotatably connected with a driving rod (8), the driving rod (8) is in threaded connection with an expansion frame (4), driven rods (9) are fixedly mounted on the connecting blocks (7) at the other three ends of the diamond-shaped piece, and one ends, far away from the connecting blocks (7), of the driven rods (9) are in sliding connection with the expansion frame (4).

3. A hepatobiliary surgical wound dilation device according to claim 1 or claim 2, wherein: the expansion frame (4) is a square frame or a circular frame, and included angles between the driven rods (9) are all 90 degrees.

4. A hepatobiliary surgical wound dilation device as claimed in claim 1, wherein: the top end of the spring telescopic rod (13) is hinged with an adjusting rod (16), the top end of the adjusting rod (16) is hinged with a mounting seat (15), and hinged positions of two ends of the adjusting rod (16) are fixed through fastening bolts.

5. A hepatobiliary surgical wound dilation device according to claim 1 or 4, wherein: mount pad (15) are including sleeve (17), sleeve (17) both sides fixed mounting fixed block (18), sleeve (17) are run through in horizontal pole (3), a plurality of spacing (301) of horizontal pole (3) fixed surface installation, spacing (301) are circular permutation and arrange, a plurality of spacing grooves have been seted up to sleeve (17) one end inner wall, the spacing groove cooperation of spacing (301) and sleeve (17), sleeve (17) are close to spacing (301) one end outer wall spiro union adapter sleeve (19), circular through-hole has been seted up to adapter sleeve (19) lateral wall, the internal diameter of circular through-hole is less than the diameter of spacing (301).