CN216455138U

CN216455138U - Hepatobiliary surgery auxiliary device

Info

Publication number: CN216455138U
Application number: CN202120230539.1U
Authority: CN
Inventors: 易德会
Original assignee: First Hospital of China Medical University
Current assignee: First Hospital of China Medical University
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2022-05-10
Anticipated expiration: 2031-01-27

Abstract

A liver and gall surgery auxiliary device relates to the technical field of medical instruments, a slide rod is fixed between two first connecting rods on the same side, a first set screw is screwed and penetrates through a threaded through hole on the side wall of a slide block and is abutted against the slide rod, a first bolt is screwed and penetrates through a threaded through hole at the bottom of a first sleeve and is inserted in a first bearing, the top of a first telescopic pipe penetrates through a through hole on the first sleeve and is fixed with a fixed frame, a second bolt is screwed and penetrates through a threaded hole on the fixed frame and is inserted in a second bearing, a first spring and a second spring are respectively sleeved on a second telescopic pipe positioned on two sides of a limiting plate, the other end of the second telescopic pipe penetrates through a through hole on the second sleeve and is fixed with one end of the second connecting rod, the other end of the second connecting rod is fixed with a drag hook, the design is reasonable, and the drag hook position can be adjusted according to the required position, the drag hook structure has elasticity, reduces the secondary damage that causes to patient's wound is torn.

Description

Hepatobiliary surgery auxiliary device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an auxiliary device for a 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. Generally, in clinical practice, when a hepatobiliary surgery is performed on a patient, an open cavity surgery is generally adopted, and after the open cavity surgery is performed, superficial tissues or other tissues of the cavity are required to be pulled open to open the thoracic cavity of the human body, so that the surgical operation is facilitated. The position of the existing hepatobiliary surgery auxiliary device is not adjusted freely, the draw hook can not be moved freely to a required position, the draw hook is fixed after the position is adjusted, the hard structural tissue can tear the wound of a patient frequently, secondary damage is brought to the patient, and improvement is needed urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide the auxiliary device for hepatobiliary surgery with reasonable design aiming at the defects and shortcomings of the prior art, the position of the draw hook can be adjusted according to the required position, and the draw hook structure has elasticity, so that the secondary injury caused by the wound of a patient is reduced.

In order to achieve the purpose, the utility model adopts the following technical scheme: the novel medical instrument comprises a lying plate, a first connecting rod, a sliding block, a first set screw, a first sleeve, a first telescopic pipe, a first bearing, a first bolt, a fixed frame, a second bolt, a second sleeve, a second bearing, a second telescopic pipe, a limiting plate, a first spring, a second spring, a supporting leg, a second connecting rod and a drag hook, wherein the bottom of the lying plate is fixedly provided with the supporting leg, the front end and the rear end of the left side and the right side of the lying plate are respectively fixedly provided with the first connecting rod, the sliding rod is fixedly arranged between the two first connecting rods on the same side, the sliding rod is movably provided with a plurality of sliding blocks, the first set screw is screwed to penetrate through a thread through hole on the side wall of the sliding block and then is abutted against the sliding rod, the first sleeve is arranged between the sliding block and the lying plate, the first sleeve is fixedly arranged with the sliding block, the first telescopic pipe is movably arranged in the first sleeve, the first bearing is embedded into an opening at the bottom of the first telescopic pipe, the first bolt is screwed to penetrate through a thread through hole at the bottom of the first sleeve, the telescopic pipe is inserted into a first bearing, a fixing frame is fixed after the top of a first telescopic pipe penetrates through a through hole in the first sleeve, a second bearing is embedded and fixed in an opening at one end of the second sleeve, a second bolt is screwed and penetrates through a threaded hole in the fixing frame and then is inserted into a second bearing, one end of the second telescopic pipe is movably arranged in the second sleeve, a limiting plate is fixedly sleeved on the second telescopic pipe in the second sleeve, a first spring and a second spring are respectively sleeved on the second telescopic pipe on two sides of the limiting plate, the first spring and the second spring are both arranged in the second sleeve, the other end of the second telescopic pipe penetrates through the through hole in the second sleeve and then is fixed with one end of a second connecting rod, and a drag hook is fixed at the other end of the second connecting rod.

Further, the mount on be fixed with the axle bed No. one, the axle bed activity is provided with the pivot No. one, is fixed with electric telescopic handle in the pivot No. one, is fixed with the axle bed No. two on the sleeve pipe No. two, the activity is provided with the pivot No. two on the axle bed No. two, electric telescopic handle's output and No. two pivot are fixed, electric telescopic handle external power supply.

Furthermore, rubber anti-skidding foot pads are fixed at the bottoms of the support legs.

Furthermore, a fixing block is fixed on the second connecting rod, a third bearing is embedded and fixed in an opening in the fixing block, one end of a first rotating rod is fixed with the threaded screw head, the other end of the first rotating rod penetrates through the third bearing, a through hole in the fixing block and a through hole in the second connecting rod, a first bevel gear is fixedly sleeved and sleeved in the opening, two ends of the second rotating rod penetrate through holes in the front side wall and the rear side wall of the second connecting rod respectively and are fixed with the front side wall and the rear side wall of the drag hook, a second bevel gear is fixedly sleeved on the second rotating rod in the second connecting rod and is meshed with the first bevel gear, and a second set screw is screwed in the opening and penetrates through the threaded through hole in the side wall of the fixing block and then is abutted against the first rotating rod.

After adopting the structure, the utility model has the beneficial effects that: the utility model provides an auxiliary device for hepatobiliary surgery, which is reasonable in design, the position of a draw hook can be adjusted according to the required position, and the draw hook structure has elasticity, so that secondary damage to the wound of a patient caused by tearing is reduced.

Description of the drawings:

fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a sectional view taken along line a-a in fig. 2.

Fig. 4 is an enlarged view of a portion B in fig. 3.

Description of reference numerals:

the novel telescopic arm comprises a lying plate 1, a first connecting rod 2, a sliding rod 3, a sliding block 4, a first set screw 5, a first sleeve 6, a first telescopic tube 7, a first bearing 8, a first bolt 9, a fixed frame 10, a second bolt 11, a second sleeve 12, a second bearing 13, a second telescopic tube 14, a limiting plate 15, a first spring 16, a second spring 17, a first shaft seat 18, a first rotating shaft 19, an electric telescopic rod 20, a second shaft seat 21, a second rotating shaft 22, a supporting leg 23, a rubber anti-skidding foot pad 24, a second connecting rod 25, a draw hook 26, a fixed block 27, a third bearing 28, a threaded screwing head 29, a first rotating rod 30, a first bevel gear 31, a second rotating rod 32, a second bevel gear 33 and a second set screw 34.

The specific implementation mode is as follows:

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. 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 invention.

As shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment: it comprises a lying plate 1, a first connecting rod 2, a sliding rod 3, a sliding block 4, a first set screw 5, a first sleeve 6, a first telescopic tube 7, a first bearing 8, a first bolt 9, a fixed frame 10, a second bolt 11, a second sleeve 12, a second bearing 13, a second telescopic tube 14, a limiting plate 15, a first spring 16, a second spring 17, a supporting leg 23, a second connecting rod 25 and a drag hook 26, wherein the bottom of the lying plate 1 is fixedly welded with the supporting leg 23, the bottom of the supporting leg 23 is fixedly riveted with a rubber anti-skidding foot pad 24, the front end and the rear end of the left side and the right side of the lying plate 1 are fixedly welded with the first connecting rod 2, the sliding rod 3 is fixedly welded between the two first connecting rods 2 on the same side, the sliding rod 3 is movably provided with a plurality of sliding blocks 4, the first set screw 5 is arranged to abut against the sliding rod 3 after penetrating through a threaded through hole on the side wall of the sliding block 4, the sliding block 4 is arranged between the sliding block 4 and the lying plate 1, a first sleeve 6 is welded and fixed with a sliding block 4, a first telescopic pipe 7 is movably arranged in the first sleeve 6, a first bearing 8 is embedded and fixed in an opening at the bottom of the first telescopic pipe 7, a first bolt 9 is inserted and arranged in the first bearing 8 after being screwed through a threaded through hole at the bottom of the first sleeve 6, a fixed frame 10 is welded and fixed at the top of the first telescopic pipe 7 after being penetrated through a through hole on the first sleeve 6, a second bearing 13 is embedded and fixed in an opening at one end of a second sleeve 12, a second bolt 11 is screwed and arranged in the second bearing 13 after being penetrated through a threaded hole on the fixed frame 10, a first shaft seat 18 is welded and fixed on the fixed frame 10, a first rotating shaft 19 is movably arranged on the first shaft seat 18, an electric telescopic rod 20 is welded and fixed on the first rotating shaft 19, a second shaft seat 21 is welded and fixed on the second sleeve 12, a second rotating shaft 22 is movably arranged on the second shaft seat 21, the output end of an electric telescopic rod 20 is welded and fixed with a second rotating shaft 22, the electric telescopic rod 20 is externally connected with a power supply, one end of a second telescopic pipe 14 is movably arranged in a second sleeve pipe 12, a limiting plate 15 is sleeved and fixed on the second telescopic pipe 14 positioned in the second sleeve pipe 12, a first spring 16 and a second spring 17 are respectively sleeved and fixed on the second telescopic pipe 14 positioned at two sides of the limiting plate 15, the first spring 16 and the second spring 17 are both arranged in the second sleeve pipe 12, the other end of the second telescopic pipe 14 passes through a through hole on the second sleeve pipe 12 and then is welded and fixed with a second connecting rod 25, a fixed block 27 is welded and fixed on the second connecting rod 25, a third bearing 28 is embedded and fixed in an opening on the fixed block 27, one end of the first rotating rod 30 is welded and fixed with a thread screwing head 29, the other end of the first rotating rod 30 passes through the third bearing 28, the through hole on the fixed block 27 and the through hole on the second connecting rod 25, a first bevel gear 31 is fixedly sleeved, two ends of a second rotating rod 32 respectively penetrate through holes in the front side wall and the rear side wall of a second connecting rod 25 and then are fixed with the front side wall and the rear side wall of the drag hook 26, a second bevel gear 33 is fixedly sleeved on the second rotating rod 32 located in the second connecting rod 25, the first bevel gear 31 is meshed with the second bevel gear 33, and a second set screw 34 is screwed and penetrates through a threaded through hole in the side wall of the fixing block 27 and then is abutted against the first rotating rod 30.

The working principle of the specific embodiment is as follows: the patient lies on the lying plate 1, loosens the first set screw 5 to adjust the front and back position of the sliding block 4, controls the drag hook 26 to a required front and back position, screws the first set screw 5, rotates the first bolt 9, adjusts the up and down movement of the first telescopic tube 7, controls the drag hook 26 to a required height, rotates the second bolt 11 and starts the electric telescopic rod 20, the second bolt 11 drives the second connecting rod 25 to move left and right, the electric telescopic rod 20 extends and shortens accordingly, controls the drag hook 26 to a required left and right position, the electric telescopic rod 20 and the second sleeve 12 are in a triangular structure, the stability is enhanced, loosens the second set screw 34, rotates the threaded twisting head 29 to drive the first bevel gear 31 to rotate, the second bevel gear 33 rotates accordingly, drives the drag hook 26 to rotate, adjusts the angle of the drag hook 26, screws the second set screw 34, hooks the skin and flesh tissues around the position to be operated by the drag hook 26, the second bolt 11 is rotated and the electric telescopic rod 20 is started to control the draw hook 26 to move outwards, skin and flesh tissues are poked, and the first spring 16 and the second spring 17 contract to slow down the secondary damage of the draw hook 26 to the wound of the patient.

After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:

1. the rubber anti-skid foot pad 24 increases the friction force between the device and the ground;

2. the slide bar 3, the slide block 4 and the first set screw 5 are matched, so that the front and back positions of the drag hook 26 can be conveniently moved and controlled;

3. the first sleeve 6, the first telescopic pipe 7, the first bearing 8 and the first bolt 9 are matched, so that the upper and lower positions of the drag hook 26 can be conveniently moved and controlled;

4. the second bolt 11, the second sleeve 12 and the second bearing 13 are matched, so that the left and right positions of the drag hook 26 can be conveniently moved and controlled;

5. the limiting plate 15, the first spring 16 and the second spring 17 are matched, and the device structure is retractable, so that secondary damage of the drag hook 26 to skin and meat tissue tearing of a patient is relieved;

6. the first shaft seat 18, the first rotating shaft 19, the electric telescopic rod 20, the second shaft seat 21 and the second rotating shaft 22 are matched, so that the structure of the device is more stable;

7. the threaded head 29, the first rotating rod 30, the first bevel gear 31, the second rotating rod 32, the second bevel gear 33 and the second set screw 34 are matched to conveniently adjust the angle of the drag hook 26.

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.

Claims

1. A hepatobiliary surgery auxiliary device which is characterized in that: it comprises a lying plate (1), a first connecting rod (2), a sliding rod (3), a sliding block (4), a first set screw (5), a first sleeve (6), a first telescopic tube (7), a first bearing (8), a first bolt (9), a fixed frame (10), a second bolt (11), a second sleeve (12), a second bearing (13), a second telescopic tube (14), a limiting plate (15), a first spring (16), a second spring (17), a supporting leg (23), a second connecting rod (25) and a drag hook (26), wherein the bottom of the lying plate (1) is fixed with the supporting leg (23), the front and rear ends of the left side and the right side of the lying plate (1) are respectively fixed with the first connecting rod (2), the sliding rod (3) is fixed between the two first connecting rods (2) on the same side, the sliding rod (3) is movably provided with a plurality of sliding blocks (4), the first set screw (5) is screwed and penetrates through a threaded through hole on the side wall of the sliding block (4), the sliding rod (3) is abutted, a first sleeve (6) is arranged between the sliding block (4) and the lying plate (1), the first sleeve (6) is fixed with the sliding block (4), a first telescopic pipe (7) is movably arranged in the first sleeve (6), a first bearing (8) is embedded and fixed in an opening at the bottom of the first telescopic pipe (7), a first bolt (9) is screwed and penetrates through a threaded through hole at the bottom of the first sleeve (6) and is inserted in the first bearing (8), a fixed frame (10) is fixed in the top of the first telescopic pipe (7) after penetrating through a through hole on the first sleeve (6), a second bearing (13) is embedded and fixed in an opening at one end of the second sleeve (12), a second bolt (11) is screwed and penetrates through a threaded hole on the fixed frame (10) and is inserted in the second bearing (13), one end of the second telescopic pipe (14) is movably arranged in the second sleeve (12), a limiting plate (15) is fixedly sleeved on a second telescopic pipe (14) located in a second sleeve (12), a first spring (16) and a second spring (17) are respectively sleeved on the second telescopic pipe (14) located on two sides of the limiting plate (15), the first spring (16) and the second spring (17) are both arranged in the second sleeve (12), the other end of the second telescopic pipe (14) penetrates through a through hole in the second sleeve (12) and then is fixed with one end of a second connecting rod (25), and a drag hook (26) is fixed to the other end of the second connecting rod (25).

2. A hepatobiliary surgery assistance device according to claim 1, wherein: the electric telescopic rod is characterized in that a first shaft seat (18) is fixed on the fixing frame (10), a first rotating shaft (19) is movably arranged on the first shaft seat (18), an electric telescopic rod (20) is fixed on the first rotating shaft (19), a second shaft seat (21) is fixed on the second sleeve (12), a second rotating shaft (22) is movably arranged on the second shaft seat (21), the output end of the electric telescopic rod (20) is fixed with the second rotating shaft (22), and the electric telescopic rod (20) is externally connected with a power supply.

3. A hepatobiliary surgery assistance device according to claim 1, wherein: the bottom of the support leg (23) is fixed with a rubber anti-skid foot pad (24).

4. A hepatobiliary surgery assistance device according to claim 1, wherein: a fixing block (27) is fixed on the second connecting rod (25), a third bearing (28) is embedded and fixed in an opening on the fixing block (27), one end of a first rotating rod (30) is fixed with a threaded twisting head (29), the other end of the first rotating rod (30) penetrates through the third bearing (28), a through hole on the fixing block (27) and a through hole on the second connecting rod (25), a first bevel gear (31) is fixedly sleeved, two ends of a second rotating rod (32) respectively penetrate through the through holes on the front side wall and the rear side wall of the second connecting rod (25) and then are fixed with the front side wall and the rear side wall of a drag hook (26), a second bevel gear (33) is fixedly sleeved on the second rotating rod (32) positioned in the second connecting rod (25), the first bevel gear (31) is mutually meshed with the second bevel gear (33), and a second fastening screw (34) is screwed and penetrates through the threaded through hole on the side wall of the fixing block (27), is abutted against the first rotating rod (30).