CN215424834U

CN215424834U - Hepatobiliary surgery is with expanding support ware

Info

Publication number: CN215424834U
Application number: CN202023209908.3U
Authority: CN
Inventors: 王东; 戴俊; 王亮
Original assignee: First Affiliated Hospital of Wannan Medical College
Current assignee: First Affiliated Hospital of Wannan Medical College
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2022-01-07
Anticipated expiration: 2030-12-28

Abstract

The utility model belongs to the technical field of medical equipment, and particularly relates to an expansion device for hepatobiliary surgery, which comprises a first fixed cylinder, wherein two groups of adjusting mechanisms symmetrically distributed along the central axis of the first fixed cylinder are arranged on the outer ring of the first fixed cylinder, two groups of first fixed blocks symmetrically distributed along the central axis of the first fixed cylinder are connected to the inner wall of the top of the first fixed cylinder in a sliding manner, a first reciprocating screw rod is sleeved at the bottom of each first fixed block in a sliding manner, a second reciprocating screw rod is fixed at the other end of the first reciprocating screw rod, a first rotating shaft movably sleeved with the end part of the first fixed cylinder is fixed at the other end of the second reciprocating screw rod, a first fixed lantern ring is sleeved on the outer ring of the second reciprocating screw rod in a sliding manner, and a first fixed rod of an L-shaped structure is fixed at the bottom of the first fixed lantern ring; the utility model can adjust the expanding angle under the condition of the wound and can avoid the separation of the expanding device and the wound during expanding.

Description

Hepatobiliary surgery is with expanding support ware

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an 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 progress of social economy promotes the conversion of the health concept of Chinese people, more patients can be diagnosed and treated at early stage, and the prognosis of diseases is obviously improved. The supporting and fixing device for the hepatobiliary surgery is one of the common operation tools for the hepatobiliary surgery, but the traditional supporting and fixing device for the hepatobiliary surgery has single function, the supporting and fixing angle of a wound is not well controlled, the progress of medical care personnel in the operation is influenced, and the applicability needs to be improved; therefore, there is a need for a dilator for hepatobiliary surgery.

SUMMERY OF THE UTILITY MODEL

The utility model provides an expanding device for hepatobiliary surgery, which solves the problem that an expanding device is easy to separate from a wound.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an expansion device for hepatobiliary surgery comprises a first fixed cylinder, wherein two groups of adjusting mechanisms symmetrically distributed along the central axis of the first fixed cylinder are arranged on the outer ring of the first fixed cylinder, two groups of first fixed blocks symmetrically distributed along the central axis of the first fixed cylinder are connected on the inner wall of the top of the first fixed cylinder in a sliding manner, a first reciprocating screw rod is sleeved on the bottom of the first fixed block in a sliding manner, a second reciprocating screw rod is fixed on the other end of the first reciprocating screw rod, a first rotating shaft movably sleeved with the end part of the first fixed cylinder is fixed on the other end of the second reciprocating screw rod, a first fixed lantern ring is sleeved on the outer ring of the second reciprocating screw rod in a sliding manner, a first fixed rod of an L-shaped structure is fixed on the bottom of the first fixed lantern ring, a second fixed rod of a hollow structure is fixed on the other end of the first fixed rod in a sliding manner, and a first spring is fixed on the inner wall of the top of the second fixed rod, the bottom of first spring is fixed with the third dead lever that cup joints L type structure with the inside slip of second dead lever, the other end sliding connection of third dead lever has the first fagging that expands of U type structure, the top that first expands the fagging articulates there is the second of U type structure to expand the fagging.

Preferably, the adjusting mechanism comprises a second fixed sleeve which is in sliding sleeve connection with the outer ring of the first fixed sleeve, and the inner ring of the second fixed sleeve is provided with inclined tooth grooves distributed along the circle center array.

Preferably, two sets of first chutes symmetrically distributed along the central axis of the first fixed cylinder are formed in the outer ring of the first fixed cylinder, the first chutes and the first fixed cylinder are coaxially arranged, the inner ring of each first chute is fixed with a first connecting rod distributed along the array of the first chute, the other end of each first connecting rod is rotatably connected with a first limiting plate, one end, close to the first rotating shaft, of each first limiting plate is fixed with a second spring, the other end of each second spring is fixed with the inner ring of the corresponding first chute, and the shape of each first limiting plate is the same as that of the inclined tooth socket.

Preferably, the bottom of the first expansion supporting plate is fixed with a third expansion supporting plate which is obliquely arranged, and the distance between the two groups of third expansion supporting plates is gradually reduced from top to bottom.

Preferably, the top of the second expansion supporting plate is fixed with the bottom of the first fixing block positioned above the second expansion supporting plate, the bottom of the adjusting mechanism is fixed with a first fixing plate, and one ends of the two groups of first reciprocating screw rods, which are close to each other, are fixed.

Preferably, the bottom of the first fixed cylinder is provided with a second sliding groove distributed along the length direction of the first fixed cylinder, the first sliding groove is in sliding sleeve connection with the second expansion supporting plate, and the first sliding groove is in sliding sleeve connection with the second fixed rod.

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

the expansion angle of the first expansion supporting plate is adjusted through the second fixing sleeve, the first sliding chute, the first connecting rod and the first limiting plate, the expansion angle can be adjusted according to the position of a wound and the requirements of a doctor, and the operation of the doctor is more convenient; simultaneously through first fagging, second expand fagging, first pivot, first dead lever, second dead lever and third dead lever regulation first expansion fagging and the second expand the angle between the fagging, avoid the second to expand fagging and wound and break away from for the doctor can do the operation more carefully.

Drawings

Fig. 1 is a schematic structural view of a dilator for hepatobiliary surgery according to the present invention.

Fig. 2 is a schematic structural diagram of a second fixing rod and a first rotating shaft according to the present invention.

Fig. 3 is a schematic structural view of the first fixing collar and the first fixing rod according to the present invention.

Fig. 4 is a schematic structural view of the second fixing sleeve and the first sliding groove according to the present invention.

Reference numbers in the figures: 1. a first fixed cylinder; 2. an adjustment mechanism; 3. a first fixed block; 4. a first reciprocating screw rod; 5. a second reciprocating screw rod; 6. a first rotating shaft; 7. a first fixed collar; 8. A first fixing lever; 9. a second fixing bar; 10. a third fixing bar; 11. a first expanding plate; 12. A second expanded supporting plate; 13. a first fixing plate; 14. a first spring; 15. a second fixed sleeve; 16. a first chute; 17. a first limit plate; 18. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, an expander for hepatobiliary surgery comprises a first fixed cylinder 1, two sets of adjusting mechanisms 2 symmetrically distributed along the central axis of the first fixed cylinder 1 are arranged on the outer ring of the first fixed cylinder 1, two sets of first fixed blocks 3 symmetrically distributed along the central axis of the first fixed cylinder 1 are slidably connected to the inner wall of the top of the first fixed cylinder 1, a first reciprocating screw rod 4 is slidably sleeved at the bottom of each first fixed block 3, a second reciprocating screw rod 5 is fixed at the other end of each first reciprocating screw rod 4, a first rotating shaft 6 movably sleeved with the end of the first fixed cylinder 1 is fixed at the other end of each second reciprocating screw rod 5, a first fixed lantern ring 7 is slidably sleeved on the outer ring of each second reciprocating screw rod 5, a first fixed rod 8 with an L-shaped structure is fixed at the bottom of the first fixed lantern ring 7, a second fixed rod 9 with a hollow structure and slidably sleeved with the bottom of the first fixed cylinder 1 is fixed at the other end of the first fixed rod 8, a first spring 14 is fixed on the inner wall of the top of the second fixed rod 9, a third fixed rod 10 of an L-shaped structure is fixed at the bottom of the first spring 14 and is in sliding sleeve connection with the inside of the second fixed rod 9, the other end of the third fixed rod 10 is in sliding connection with a first expanded supporting plate 11 of a U-shaped structure, and a second expanded supporting plate 12 of the U-shaped structure is hinged to the top of the first expanded supporting plate 11; when a wound of a patient is supported and fixed, firstly, the first fixing cylinder 1 is rotated according to the position of the wound, when the first fixing cylinder 1 rotates, the first limiting plate 17 is separated from the inclined tooth socket clamped at the moment, the first limiting plate 17 rotates along the first connecting rod, the first limiting plate 17 stretches the second spring 18 connected with the first limiting plate 17, when the first fixing cylinder 1 is adjusted to a proper angle, the first fixing cylinder 1 stops rotating, at the moment, the first limiting plate 7 is clamped with the adjacent inclined tooth socket, then the third expanding plate is stretched into the wound, the first fixing plate 13 is fixed on an operating table through a bolt, then the handle is rotated, the handle drives the first rotating shaft 6 connected with the handle to rotate, the first rotating shaft 6 drives the second reciprocating screw rod 5 connected with the first reciprocating screw rod 5 to rotate, the second reciprocating screw rod 5 drives the first reciprocating screw rod 4 connected with the first reciprocating screw rod 4 to rotate, the first reciprocating screw rod 4 drives another group of first reciprocating screw rods 4 to rotate, the first reciprocating screw rod 4 rotates to drive the first fixing blocks 3 to slide, so that two groups of first fixing blocks 3 are far away from each other, the first fixing blocks 3 drive the second expanding support plates 12 connected with the first reciprocating screw rod 3 to move, the second expanding support plates 12 drive the first expanding support plates 11 connected with the second reciprocating screw rod to move, the second net cost screw rods 5 drive the first fixing sleeves 7 to move, the first fixing sleeves 7 drive the first fixing rods 8 connected with the first fixing rods 8 to move, the first fixing rods 8 drive the second fixing rods 9 connected with the first fixing rods 9 to move, the moving distance of the second fixing rods 9 is greater than that of the second expanding support plates 12, the third fixing rods 10 drive the first expanding support plates 11 connected with the third fixing rods 10 to rotate, the first expanding support plates 11 enable the third fixing plates 10 to slide upwards along the second fixing rods 9 while moving horizontally, and extrude rather than the first spring 14 of being connected, first expand fagging 11 and second this moment and expand and form certain centre gripping between the fagging 12, avoid the second to expand fagging 12 when expanding to prop, first fagging 11 and the wound of expanding breaks away from, and is more firm to the support of wound, and the practicality is stronger, and more makes things convenient for the doctor to perform the operation to the patient.

Furthermore, the adjusting mechanism 2 comprises a second fixed sleeve 15 which is in sliding sleeve connection with the outer ring of the first fixed cylinder 1, and the inner ring of the second fixed sleeve 15 is provided with inclined tooth grooves distributed along the circle center array; can carry out spacing fixed to first fixed section of thick bamboo 1.

Particularly, two groups of first sliding grooves 16 which are symmetrically distributed along the central axis of the first fixed cylinder 1 are formed in the outer ring of the first fixed cylinder 1, the first sliding grooves 16 and the first fixed cylinder 1 are coaxially arranged, first connecting rods which are distributed along the first sliding grooves 16 in an array mode are fixed to the inner ring of the first sliding grooves 16, the other ends of the first connecting rods are rotatably connected with first limiting plates 17, second springs 18 are fixed to one ends, close to the first rotating shaft 6, of the first limiting plates 17, the other ends of the second springs 18 are fixed to the inner ring of the first sliding grooves 16, and the shapes of the first limiting plates 17 are the same as those of the inclined tooth grooves; firstly, the first fixed barrel 1 is rotated according to the position of a wound, when the first fixed barrel 1 rotates, the first limiting plate 17 is separated from the inclined tooth socket clamped at that time, the first limiting plate 17 rotates along the first connecting rod, the first limiting plate 17 stretches the second spring 18 connected with the first limiting plate 17, when the first fixed barrel 1 is adjusted to a proper angle, the first limiting plate 7 stops rotating, and at the moment, the first limiting plate 7 is clamped with the adjacent inclined tooth socket.

It is worth to say that the third expanding plates which are obliquely arranged are fixed at the bottom of the first expanding plate 11, and the distance between the two groups of third expanding plates is gradually reduced from top to bottom; it is more convenient to extend the first expansion panel 11 into the wound.

In addition, the top of the second expansion supporting plate 12 is fixed with the bottom of the first fixing block 3 positioned above the second expansion supporting plate, the bottom of the adjusting mechanism 2 is fixed with a first fixing plate 13, and one ends of the two groups of first reciprocating screw rods 4 close to each other are fixed; so that the two sets of first reciprocating screws 4 can rotate simultaneously.

The bottom of the first fixed cylinder 1 is provided with second sliding grooves distributed along the length direction of the first fixed cylinder, the first sliding grooves are in sliding sleeve joint with the second expanded supporting plate 12, and the first sliding grooves are in sliding sleeve joint with the second fixed rod 9; so that the second expansion plate 12 and the second fixing rod 9 can move along the second sliding groove.

The first embodiment is as follows: one end of one group of the first rotating shaft 6 extends out of the first fixing cylinder 1, a handle is fixed at one end of the first rotating shaft 6 extending out of the first fixing cylinder 1, and the handle is fixed with the outer wall of the first fixing cylinder 1 through a bolt.

The working principle is as follows: when a wound of a patient is supported and fixed, firstly, the first fixing cylinder 1 is rotated according to the position of the wound, when the first fixing cylinder 1 rotates, the first limiting plate 17 is separated from the inclined tooth socket clamped at the moment, the first limiting plate 17 rotates along the first connecting rod, the first limiting plate 17 stretches the second spring 18 connected with the first limiting plate 17, when the first fixing cylinder 1 is adjusted to a proper angle, the first fixing cylinder 1 stops rotating, at the moment, the first limiting plate 7 is clamped with the adjacent inclined tooth socket, then the third expanding plate is stretched into the wound, the first fixing plate 13 is fixed on an operating table through a bolt, then the handle is rotated, the handle drives the first rotating shaft 6 connected with the handle to rotate, the first rotating shaft 6 drives the second reciprocating screw rod 5 connected with the first reciprocating screw rod 5 to rotate, the second reciprocating screw rod 5 drives the first reciprocating screw rod 4 connected with the first reciprocating screw rod 4 to rotate, the first reciprocating screw rod 4 drives another group of first reciprocating screw rods 4 to rotate, the first reciprocating screw rod 4 rotates to drive the first fixing blocks 3 to slide, so that two groups of first fixing blocks 3 are far away from each other, the first fixing blocks 3 drive the second expanding support plates 12 connected with the first reciprocating screw rod 3 to move, the second expanding support plates 12 drive the first expanding support plates 11 connected with the second reciprocating screw rod to move, the second net cost screw rods 5 drive the first fixing sleeves 7 to move, the first fixing sleeves 7 drive the first fixing rods 8 connected with the first fixing rods 8 to move, the first fixing rods 8 drive the second fixing rods 9 connected with the first fixing rods 9 to move, the moving distance of the second fixing rods 9 is greater than that of the second expanding support plates 12, the third fixing rods 10 drive the first expanding support plates 11 connected with the third fixing rods 10 to rotate, the first expanding support plates 11 enable the third fixing plates 10 to slide upwards along the second fixing rods 9 while moving horizontally, and extrude rather than the first spring 14 of being connected, first expand fagging 11 and second this moment and expand and form certain centre gripping between the fagging 12, avoid the second to expand fagging 12 when expanding to prop, first fagging 11 and the wound of expanding breaks away from, and is more firm to the support of wound, and the practicality is stronger, and more makes things convenient for the doctor to perform the operation to the patient.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, 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 implicitly indicating the 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 defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An expander for hepatobiliary surgery, comprising a first fixed cylinder (1), characterized in that the outer ring of the first fixed cylinder (1) is provided with two sets of adjustment mechanisms symmetrically distributed along its central axis (2), the top inner wall of the first fixing cylinder (1) is slidably connected with two sets of first fixing blocks (3) symmetrically distributed along its central axis, and the bottom of the first fixing block (3) is slidably sleeved There is a first reciprocating screw (4), the other end of the first reciprocating screw (4) is fixed with a second reciprocating screw (5), and the other end of the second reciprocating screw (5) is fixed with a A first rotating shaft (6) to which the end of the first fixing cylinder (1) is movably sleeved, the outer ring of the second reciprocating screw (5) is slidably sleeved with a first fixing collar (7), the first The bottom of the fixing collar (7) is fixed with a first fixing rod (8) of an L-shaped structure, and the other end of the first fixing rod (8) is fixed with a hollow slidably sleeved with the bottom of the first fixing cylinder (1). The second fixing rod (9) of the structure, the top inner wall of the second fixing rod (9) is fixed with a first spring (14), and the bottom of the first spring (14) is fixed with the second fixing rod (9) ) The third fixing rod (10) of the L-shaped structure is slidably and sleeved internally, and the other end of the third fixing rod (10) is slidably connected with the first expansion plate (11) of the U-shaped structure. The top of the support plate (11) is hinged with a second expanded support plate (12) with a U-shaped structure.

2 . The stent expander for hepatobiliary surgery according to claim 1 , wherein the adjusting mechanism ( 2 ) comprises a second fixing sleeve slidably sleeved with the outer ring of the first fixing cylinder ( 1 ). 3 . (15), the inner ring of the second fixing sleeve (15) is provided with inclined tooth slots distributed in an array along the center of the circle.

3. A stent for hepatobiliary surgery according to claim 1, characterized in that, the outer ring of the first fixed cylinder (1) is provided with two sets of first sliding plates symmetrically distributed along its central axis. groove (16), and the first chute (16) is coaxially arranged with the first fixing cylinder (1), the inner ring of the first chute (16) is fixed with first connecting rods distributed along its array, the first connection The other end of the rod is rotatably connected with a first limit plate (17), one end of the first limit plate (17) close to the first rotating shaft (6) is fixed with a second spring (18), and the other end of the second spring (18) is fixed. One end is fixed with the inner ring of the first chute (16), and the shape of the first limiting plate (17) is the same as that of the inclined tooth slot.

4. A kind of expander for hepatobiliary surgery according to claim 1, characterized in that, the bottom of the first expansion plate (11) is fixed with a third expansion plate arranged obliquely, and two groups of third expansion plates are fixed at the bottom. The distance between the spreading plates gradually decreases from top to bottom.

5. A stent for hepatobiliary surgery according to claim 1, characterized in that, the top of the second expanding plate (12) is fixed with the bottom of the first fixing block (3) above it The bottom of the adjusting mechanism (2) is fixed with a first fixing plate (13), and the ends of the two groups of first reciprocating screw rods (4) close to each other are fixed.

6. A stent for hepatobiliary surgery according to claim 1, characterized in that, the bottom of the first fixing cylinder (1) is provided with a second chute distributed along its length direction, and the first sliding The slot is slidably sleeved with the second expanding plate (12), and the first sliding groove is slidably sleeved with the second fixing rod (9).