CN213552011U

CN213552011U - Rib retractor for thoracic surgery

Info

Publication number: CN213552011U
Application number: CN202021022264.4U
Authority: CN
Inventors: 滕寅; 卫卉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-06
Filing date: 2020-06-06
Publication date: 2021-06-29
Anticipated expiration: 2030-06-06

Abstract

The utility model discloses a rib leads out device for thoracic surgery, including fixed case and guide block, the support column is installed through the bearing to fixed incasement portion, and support column upper end and pivot fixed connection, the pivot is cup jointed in the inside trompil of seting up of horizontal backup pad simultaneously, and horizontal backup pad right-hand member and stiff end fixed connection, horizontal backup pad left end and bevel gear fixed connection, and bevel gear installs drive gear in the left side, install the axostylus axostyle on the drive gear simultaneously, and spacing wheel is installed to the axostylus axostyle bottom, the pull ring is installed to the fixed bottom of the case portion, and fixedly connected with connecting rod on the pull ring, the connecting rod tip passes fixed case and spacing dish fixed connection. According to the rib retracting device for thoracic surgery, the pull ring is loosened, the rack is clamped on the limiting gear under the action of the return spring, and the second connecting arm is fixed; the stability of the second connecting arm during working is ensured.

Description

Rib retractor for thoracic surgery

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a rib retractor for thoracic surgery.

Background

Modern thoracic surgeons do not need to search the relationship between a certain disease and surgical treatment as hard as pioneers, a lot of successful or failed experience trainings are left for people, and a summary is made according to the experience trainings to form the basic theory of thoracic surgery, the cultivation and training of the thoracic surgeons should emphasize the whole process of learning accompanying medical practice, the thoracic surgeons in different stages and different levels have different learning contents, can continuously absorb new knowledge during learning, and can bring new knowledge to make the thoracic surgeons mature and plump continuously, at present, in the process of thoracic surgery treatment, skin, subcutaneous tissues and muscle layers need to be cut open, the thoracic cavity is entered into the thoracic cavity through narrow intercostal gaps to complete the operation, the intercostal gaps need to be expanded through a costal expander to perform the operation, and the rib retractor is used by doctors during the operation of patients, the function is single, the knife occupies a larger space at the knife edge, the visual field space for the doctor to observe the knife edge during the operation is reduced, the operation is not smooth, and the illumination in the knife edge is lacked; in order to solve the above-mentioned drawbacks, the prior art discloses (application No. CN201920086208.8) a rib retractor for thoracic surgeon, in which "the inner wall of the circular groove 13 is movably connected with the second fixing screw 14, the lateral side of the transverse support plate 11 is fixedly connected with the support arm 15, the lateral side of the support arm 15 is fixedly connected with the first connecting arm 16, the upper surface of the support arm 15 is provided with the square hole 17, the lateral side of the support arm 15 is provided with the circular hole 12, the inner wall of the circular hole 12 is movably connected with the movable shaft 18, the surface of the movable shaft 18 is fixedly connected with the spiral wire 19, by providing the movable shaft 18 and the spiral wire 19, the second connecting arm 21 can move along with the rotation of the spiral wire 19 by the medical staff, so that the distance between the first connecting arm 16 and the second connecting arm 21 can be controlled more precisely," first: after the distance between the first connecting arm and the second connecting arm is adjusted, the transverse supporting plate 11 and the supporting arm 15 are used to fix the retracting structure of the retracting device, and how the supporting plate 11 and the supporting arm 15 fix the retracting structure is not described in detail herein, and the drawings in the specification are also obscured; secondly, the method comprises the following steps: the elasticity second fixed screw need be with the help of spanner instrument, through the elasticity second fixed screw, realizes carrying out the regulation of angle to horizontal backup pad, and operation process is very loaded down with trivial details.

In order to solve the disadvantages of the current market, a rib retractor for thoracic surgery is proposed to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the utility model is to overcome the defects mentioned in the background technology and provide a rib retractor for thoracic surgery. The pull ring, the second connecting arm and the limiting gear are provided with loosening pull rings, and under the action of the return spring, the rack is clamped on the limiting gear to complete fixing work on the second connecting arm; the stability of the second connecting arm during working is ensured.

In order to achieve the above object, the utility model provides a following technical scheme: a rib retracting device for thoracic surgery comprises a fixed box and a guide block, wherein a support column is mounted in the fixed box through a bearing, the upper end of the support column is fixedly connected with a rotating shaft, the rotating shaft is sleeved in a hole formed in a transverse support plate, the right end of the transverse support plate is fixedly connected with a fixed end, the left end of the transverse support plate is fixedly connected with a bevel gear, a transmission gear is mounted on the left side of the bevel gear, a shaft rod is mounted on the transmission gear, a limiting wheel is mounted at the bottom of the shaft rod, a pull ring is mounted at the bottom of the fixed box, a connecting rod is fixedly connected to the pull ring, the end part of the connecting rod penetrates through the fixed box and is;

the utility model discloses a lead screw, including guide block, work piece, bracing piece, lead screw upper end body of rod and limiting gear fixed connection, the guide block internally mounted has the guide bar, and guide block right-hand member and work piece fixed connection, and work piece right-hand member and second linking arm fixed connection simultaneously, and the board is opened to second linking arm bottom installation, the first linking arm of stiff end upper right side fixedly connected with, and the inside upside of stiff end is provided with the runner, the lead screw upper end body of rod and limiting gear fixed connection.

Preferably, the transmission gear and the limiting wheel are coaxially arranged, the transmission gear is matched with the bevel gear in size, and meanwhile the transmission gear is meshed and connected with the bevel gear.

Preferably, the size of the limiting wheel is matched with that of the limiting disc, the diameter of the limiting wheel is consistent with that of the limiting disc, meanwhile, the lower end part of the limiting wheel and the upper end part of the limiting disc are fixedly connected with limiting clamping teeth, and the limiting clamping teeth on the limiting disc are clamped in limiting grooves between two adjacent sets of limiting clamping teeth at the bottom of the limiting wheel.

Preferably, the transverse supporting plate is a rotating structure taking the rotating shaft as a circle center, and a rectangular hole groove matched with the transverse supporting plate in size is formed in the right side of the fixing box.

Preferably, the screw rod is screwed in a screwing hole formed in the working block, the guide rod is inserted in a guide hole in the guide block, and the second connecting arm is of a lifting structure.

Preferably, the bottom of the limiting disc is fixedly connected with the pull ring through two groups of connecting rods, and the connecting rods are sleeved with return springs.

Preferably, the left end of the cross rod penetrates through the fixed end and the pull ring to be fixedly connected, the right end of the cross rod is fixedly connected with the mounting plate, the right end of the mounting plate is fixedly connected with the rack, meanwhile, the length of the rack is equal to the diameter of the limiting gear, the rack is meshed with the limiting gear to be connected, and the limiting gear and the rotating wheel are coaxially arranged.

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

1. the pull ring is loosened, the rack is clamped on the limit gear under the action of the return spring, and the second connecting arm is fixed; the stability of the second connecting arm in working is ensured;

2. the limiting clamping teeth on the limiting disc are clamped in the limiting clamping grooves at the bottom of the limiting wheels to limit the transverse supporting plate; the stability of the transverse supporting plate during working is ensured;

3. the lead screw drives the work piece of spiro union on it and carries out the operation of going up and down, and the inside grafting of guide block has the guide bar, carries on spacingly and the direction to vertical movement's second linking arm.

Drawings

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

FIG. 2 is a top view of the fixing box of the present invention;

FIG. 3 is a schematic structural view of the structure limiting wheel and the limiting plate of the present invention;

FIG. 4 is an external view of the structure limiting wheel and the limiting plate of the present invention;

fig. 5 is a bottom view of the structure limiting wheel of the present invention;

fig. 6 is a bottom view of the structure limiting plate of the present invention;

fig. 7 is a top view of the fixing end structure of the present invention;

fig. 8 is a schematic diagram illustrating the movement of the second connecting arm according to the present invention.

Reference numbers in the figures: 1. a fixed box; 2. a transmission gear; 3. a shaft lever; 4. a bevel gear; 5. a limiting wheel; 6. a transverse support plate; 7. a rotating shaft; 8. a support pillar; 9. opening a hole; 10. a fixed end; 11. a guide block; 12. a guide bar; 13. a screw rod; 14. a working block; 15. a second connecting arm; 16. a spreader plate; 17. limiting latch teeth; 18. a connecting rod; 19. a pull ring; 20. a limiting disc; 21. a cross bar; 22. a rotating wheel; 23. a limit gear; 24. a first connecting arm.

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.

Referring to fig. 1-8, the present invention provides a technical solution: a rib retractor for thoracic surgery comprises a fixed box 1 and a guide block 11, wherein a support column 8 is installed inside the fixed box 1 through a bearing, the upper end of the support column 8 is fixedly connected with a rotating shaft 7, the rotating shaft 7 is sleeved in an opening 9 formed in the transverse support plate 6, the right end of the transverse support plate 6 is fixedly connected with a fixed end 10, the left end of the transverse support plate 6 is fixedly connected with a bevel gear 4, a transmission gear 2 is installed on the left side of the bevel gear 4, a shaft lever 3 is installed on the transmission gear 2, a limiting wheel 5 is installed at the bottom of the shaft lever 3, the transverse support plate 6 is a rotating structure with the rotating shaft 7 as the center of a circle, and a rectangular hole groove matched with the transverse support plate 6 in size is formed in; the transmission gear 2 and the limiting wheel 5 are coaxially arranged, the transmission gear 2 is matched with the bevel gear 4 in size, and meanwhile, the transmission gear 2 is meshed with the bevel gear 4; the bottom of the fixed box 1 is provided with a pull ring 19, the pull ring 19 is fixedly connected with a connecting rod 18, the end part of the connecting rod 18 penetrates through the fixed box 1 and is fixedly connected with a limiting disc 20, and the lower side of the limiting wheel 5 is provided with the limiting disc 20; the size of the limiting wheel 5 is matched with that of the limiting disc 20, the diameter of the limiting wheel 5 is consistent with that of the limiting disc 20, meanwhile, the lower end part of the limiting wheel 5 and the upper end part of the limiting disc 20 are both fixedly connected with limiting latch teeth 17, and the limiting latch teeth 17 on the limiting disc 20 are clamped in limiting grooves between two adjacent limiting latch teeth 17 at the bottom of the limiting wheel 5; the screw rod 13 is in threaded connection with a threaded connection hole formed in the working block 14, the guide rod 12 is inserted in a guide hole formed in the guide block 11, and meanwhile the second connecting arm 15 is of a lifting structure; a guide rod 12 is arranged inside the guide block 11, the right end of the guide block 11 is fixedly connected with the working block 14, meanwhile, the right end of the working block 14 is fixedly connected with a second connecting arm 15, an opening plate 16 is arranged at the bottom of the second connecting arm 15, a first connecting arm 24 is fixedly connected to the upper right side of the fixed end 10, a rotating wheel 22 is arranged on the upper inside of the fixed end 10, an upper end rod body of the screw rod 13 is fixedly connected with a limiting gear 23, and a cross rod 21 is arranged on the left side of the limiting gear 23; the bottom of the limiting disc 20 is fixedly connected with the pull ring 19 through two groups of connecting rods 18, and return springs are sleeved on the connecting rods 18; the left end of a cross rod 21 penetrates through the fixed end 10 to be fixedly connected with the pull ring 19, the right end of the cross rod 21 is fixedly connected with the mounting plate, the right end of the mounting plate is fixedly connected with a rack, meanwhile, the length of the rack is equal to the diameter of a limiting gear 23, the rack is meshed with the limiting gear 23, and the limiting gear 23 and the rotating wheel 22 are coaxially arranged;

as shown in fig. 1 and fig. 7-8: the pull ring 19 is pulled manually, the rack on the pull ring is driven to be separated from the limiting gear 23 through the cross rod 21, the limiting gear 23 loses the fixing force, the distance between the second connecting arm 15 and the first connecting arm 24 is convenient to adjust, after the adjustment is finished, the pull ring 19 is loosened, the rack is clamped on the limiting gear 23 under the action of the return spring, and the second connecting arm 15 is fixed;

as shown in fig. 1-6: the transverse supporting plate 6 is held by hand and rotated, the bevel gear 4 drives the transmission gear 2 to rotate, when the transverse supporting plate 6 is rotated to a target position, the pull ring 19 is loosened, and under the action of the return spring, the limiting latch 17 on the limiting disc 20 is clamped inside the limiting clamping groove at the bottom of the limiting wheel 5 to limit the transverse supporting plate 6.

When the rib retractor for thoracic surgery is used, the pull ring 19 is pulled downwards, the pull ring 19 drives the limiting disc 20 to move downwards through the connecting rod 18, the limiting disc 20 is separated from the surface of the limiting wheel 5, the transverse supporting plate 6 is held by hand and rotates, the bevel gear 4 drives the transmission gear 2 to rotate, when the transverse supporting plate 6 rotates to a target position, the pull ring 19 is loosened, under the action of the return spring, the limiting latch 17 on the limiting disc 20 is clamped inside the limiting latch slot at the bottom of the limiting wheel 5 to limit the transverse supporting plate 6, similarly, the rotating wheel 22 is rotated, the rotating wheel 22 drives the screw rod 13 to rotate, the screw rod 13 drives the working block 14 screwed on the screw rod to perform lifting operation, the guide rod 12 is inserted inside the guide block 11 to limit and guide the second connecting arm 15 which moves vertically, and the stability of the second connecting arm 15 during working is ensured, at the moment, the pull ring 19 is loosened, and under the action of the return spring, the rack at the end part of the cross rod 21 is clamped on the limiting gear 23 to limit the second connecting arm 15; this is the entire process of operation of the rib retraction device for thoracic surgery.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Rib retractor for thoracic surgery, comprising a fixed box (1) and a guide block (11), characterized in that: a supporting column (8) is arranged in the fixed box (1) through a bearing, the upper end of the supporting column (8) is fixedly connected with the rotating shaft (7), meanwhile, the rotating shaft (7) is sleeved in a hole (9) arranged in the transverse supporting plate (6), the right end of the transverse supporting plate (6) is fixedly connected with the fixed end (10), the left end of the transverse supporting plate (6) is fixedly connected with the bevel gear (4), a transmission gear (2) is arranged on the left side of the bevel gear (4), a shaft lever (3) is arranged on the transmission gear (2), the bottom of the shaft lever (3) is provided with a limiting wheel (5), the bottom of the fixed box (1) is provided with a pull ring (19), a connecting rod (18) is fixedly connected to the pull ring (19), the end part of the connecting rod (18) penetrates through the fixed box (1) to be fixedly connected with a limiting disc (20), and the limiting disc (20) is arranged on the lower side of the limiting wheel (5);

guide block (11) internally mounted has guide bar (12), and guide block (11) right-hand member and work piece (14) fixed connection, work piece (14) right-hand member and second linking arm (15) fixed connection simultaneously, second linking arm (15) bottom is installed and is opened board (16), the first linking arm (24) of stiff end (10) upper right side fixedly connected with, and the inside upside of stiff end (10) is provided with runner (22), the body of rod and stop gear (23) fixed connection on lead screw (13), and stop gear (23) left side installs horizontal pole (21).

2. The rib retraction device for thoracic surgery of claim 1, wherein: the transmission gear (2) and the limiting wheel (5) are coaxially arranged, the transmission gear (2) is matched with the bevel gear (4) in size, and meanwhile the transmission gear (2) is meshed and connected with the bevel gear (4).

3. The rib retraction device for thoracic surgery of claim 1, wherein: spacing round (5) and the size looks adaptation of spacing dish (20), and spacing round (5) are unanimous with the diameter of spacing dish (20), and the equal fixedly connected with spacing latch (17) of the lower tip of spacing round (5) and the upper end of spacing dish (20) simultaneously, and spacing latch (17) on spacing dish (20) joint is in the spacing groove between the adjacent two sets of spacing latch (17) in spacing round (5) bottom.

4. The rib retraction device for thoracic surgery of claim 1, wherein: the transverse supporting plate (6) is of a rotating structure with the rotating shaft (7) as the circle center, and a rectangular hole groove matched with the transverse supporting plate (6) in size is formed in the right side of the fixing box (1).

5. The rib retraction device for thoracic surgery of claim 1, wherein: the screw rod (13) is in threaded connection with a threaded connection hole formed in the working block (14), the guide rod (12) is inserted into a guide hole formed in the guide block (11), and meanwhile the second connecting arm (15) is of a lifting structure.

6. The rib retraction device for thoracic surgery of claim 1, wherein: the bottom of the limiting disc (20) is fixedly connected with the pull ring (19) through two groups of connecting rods (18), and the connecting rods (18) are sleeved with return springs.

7. The rib retraction device for thoracic surgery of claim 1, wherein: the left end of the cross rod (21) penetrates through the fixed end (10) and the pull ring (19) to be fixedly connected, the right end of the cross rod (21) is fixedly connected with the mounting plate, the right end of the mounting plate is fixedly connected with the rack, meanwhile, the length of the rack is equal to the diameter of the limiting gear (23), the rack is meshed with the limiting gear (23), and the limiting gear (23) and the rotating wheel (22) are coaxially arranged.