Assist device for cardiothoracic surgery

Abstract

The utility model relates to the technical field of medical auxiliary instruments, and discloses an assist device for cardiothoracic surgery, which comprises two vertical rods, the tops of the two vertical rods are fixedly connected with a cross rod, the inner side surfaces of the two vertical rods are slidably sleeved with a plurality of lifting plates, the bottoms of the plurality of lifting plates are provided with rotating shafts, the side walls of the rotating shafts are movably sleeved with two sleeves; the two sleeves are fixedly connected at the bottom of the lifting plate, the two ends of the rotating shaft are fixedly connected with gears, strip grooves are formed in the inner side faces of the two vertical rods, racks are fixedly connected in the two strip grooves, and the two gears are meshed with the two racks respectively. The height of the supporting plate main part is adjusted in a mechanical matching mode, the precision of the adjusting process is higher, the lifting process of the supporting plate main part is more stable, the one-way rotary driving mechanism only needs to be operated with one hand in the operation process, and the operation process is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of medical auxiliary equipment, and more specifically to an auxiliary device for cardiothoracic surgery. Background Art

[0002] Cardiothoracic surgery also includes diseases of cardiac surgery and general thoracic surgery. Cardiothoracic surgery studies cardiac and great vessel trauma, pericardial disease, interventional treatment techniques, surgical treatment of arrhythmias, cardiac pacing and implantable defibrillators, dynamic cardiomyoplasty, heart, lung and heart-lung transplantation. During the operation, medical staff often place some auxiliary equipment on the traction frame for easy access. The Chinese patent (CN202121879769.7) discloses "a cardiothoracic surgical auxiliary device". The application can adjust the spacing between the support plates according to the size of the auxiliary equipment, thereby improving space utilization.

[0003] The existing adjustment method has defects. During the adjustment process, the support plate needs to be pulled manually. This process has poor stability and poor accuracy. The operation process requires both hands to operate, which is not convenient enough. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an auxiliary device for cardiothoracic surgery to solve the problems of poor accuracy, insufficient stability and inconvenient operation of the existing support plate adjustment method in the above-mentioned background technology.

[0005] The utility model provides the following technical solution: an auxiliary device for cardiothoracic surgery, comprising two vertical rods, the tops of the two vertical rods are fixedly connected with a cross rod, the inner sides of the two vertical rods are slidably sleeved with a plurality of lifting plates, the bottoms of the plurality of lifting plates are provided with a rotating shaft, the side walls of the rotating shaft are movably sleeved with two sleeves, the two sleeves are fixedly connected at the bottoms of the lifting plates, gears are fixedly connected at both ends of the rotating shaft, the inner sides of the two vertical rods are provided with grooves, the two grooves are fixedly connected with racks, the two gears are respectively meshed with the two racks, the tops of the plurality of lifting plates are fixedly installed with a support plate main part, the bottoms of the plurality of lifting plates are fixedly connected with a one-way rotary drive mechanism, and the output end of the one-way rotary drive mechanism is butt-jointed with the rotating shaft.

[0006] Furthermore, two sliders are fixedly connected on both sides of the lifting plate, and two slide grooves are provided on the inner wall surfaces of the two vertical rods, and positioning rods are fixedly connected in the slide grooves, and the sliders are slidably sleeved on the side walls of the positioning rods.

[0007] Furthermore, the sliding block is clearance-matched with the side wall of the positioning rod.

[0008] Furthermore, the one-way rotary drive mechanism includes a shell, which is fixedly connected to the bottom of the lifting plate, a worm rod is movably sleeved inside the shell, a turbine is meshed with a side wall of the worm rod, and the turbine is fixedly connected to the side wall of the rotating shaft.

[0009] Furthermore, a knob is movably sleeved on the front side of the housing, a back end of the knob passes through the housing and is connected to the worm shaft, and a side wall of the knob is provided with anti-slip grooves.

[0010] Furthermore, a through groove is provided at the bottom of the lifting plate, and the turbine is embedded in the through groove at the bottom of the lifting plate.

[0011] Furthermore, two first magnetic plates are fixedly connected to the top of the lifting plate, and the tops of the two first magnetic plates are magnetically connected to the second magnetic plates. Two recessed grooves are opened at the bottom of the support plate main part, and the two second magnetic plates are fixedly connected in the two recessed grooves respectively.

[0012] Furthermore, two U-shaped frames are fixedly connected to the bottom of the support plate main part, and the two U-shaped frames are sleeved on the side walls of the lifting plate. Two slots are provided on the front and back sides of the lifting plate, and the inner walls of the U-shaped frames are embedded in the slots of the lifting plate.

[0013] Technical effects and advantages of the utility model:

[0014] The utility model changes the traditional method of adjusting the height of the support plate main part by hand pulling, and adopts a mechanical matching method to adjust the height of the support plate main part, so that the adjustment process has higher accuracy and the lifting process of the support plate main part is smoother. During the operation, only one hand is needed to operate the one-way rotary drive mechanism, which makes the operation process more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is an exploded schematic diagram of the overall structure of the utility model;

[0017] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0018] Figure 4 For this utility model Figure 2 Schematic diagram of the one-way rotary drive mechanism structure;

[0019] Figure 5 For this utility model Figure 2 Schematic diagram of the structural disassembly of the lifting plate and support plate main components.

[0020] The accompanying drawings are marked as follows: 1. vertical rod; 2. horizontal rod; 3. rack; 4. lifting plate; 5. rotating shaft; 6. sleeve; 7. gear; 8. one-way rotary drive mechanism; 9. support plate main part; 10. slider; 11. positioning rod; 12. first magnetic plate; 13. second magnetic plate; 14. U-shaped frame; 81. outer casing; 82. worm rod; 83. turbine; 84. rotary handle. DETAILED DESCRIPTION

[0021] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings.

[0022] Reference Figure 1 and Figure 2 , 3 The utility model provides an auxiliary device for cardiothoracic surgery, including two vertical rods 1, the tops of the two vertical rods 1 are fixedly connected with a horizontal rod 2, the inner sides of the two vertical rods 1 are slidably sleeved with a plurality of lifting plates 4, the bottoms of the plurality of lifting plates 4 are each provided with a rotating shaft 5, the side walls of the rotating shaft 5 are movably sleeved with two sleeves 6, the two sleeves 6 are fixedly connected at the bottom of the lifting plates 4, gears 7 are fixedly connected at both ends of the rotating shaft 5, grooves are provided on the inner sides of the two vertical rods 1, racks 3 are fixedly connected in the two grooves, and the two gears 7 are respectively meshed with the two racks 3, support plate main parts 9 are fixedly installed on the tops of the plurality of lifting plates 4, and one-way rotary drive mechanisms 8 are fixedly connected at the bottoms of the plurality of lifting plates 4, and the output end of the one-way rotary drive mechanism 8 is docked with the rotating shaft 5.

[0023] Reference Figure 2 Two sliders 10 are fixedly connected on both sides of the lifting plate 4, and two slide grooves are provided on the inner wall surfaces of the two vertical rods 1, and positioning rods 11 are fixedly connected in the slide grooves. The sliders 10 are slidably sleeved on the side walls of the positioning rods 11. This arrangement can improve the stability of the lifting plate 4 when it moves and avoid up and down tilting.

[0024] Reference Figure 2 The slider 10 is fitted in the clearance of the side wall of the positioning rod 11 to prevent a large friction resistance from being generated when the lifting plate 4 moves up and down.

[0025] Reference Figure 4 The one-way rotary drive mechanism 8 includes a shell 81, which is fixedly connected to the bottom of the lifting plate 4. A worm 82 is movably sleeved inside the shell 81, and a turbine 83 is meshed with the side wall of the worm 82. The turbine 83 is fixedly connected to the side wall of the rotating shaft 5. The turbine 83 is driven to rotate by controlling the rotation of the worm 82, and the rotation of the rotating shaft 5 is controlled by the turbine 83 and the rotating shaft 5. The cooperation between the worm 82 and the turbine 83 can achieve a one-way locking effect to prevent the gear 7 from rotating due to gravity.

[0026] Reference Figure 4A knob 84 is movably sleeved on the front of the housing 81, and the back end of the knob 84 penetrates the housing 81 and is connected to the worm rod 82. The side wall of the knob 84 is provided with anti-slip grooves. By providing the knob 84, the worm rod 82 can be easily controlled to rotate.

[0027] Reference Figure 2 , 4 A through groove is provided at the bottom of the lifting plate 4, and the turbine 83 is embedded in the through groove at the bottom of the lifting plate 4 to avoid the gap between the rotating shaft 5 and the lifting plate 4 from affecting the installation and rotation of the turbine 83.

[0028] Reference Figure 5 Two first magnetic plates 12 are fixedly connected to the top of the lifting plate 4, and the tops of the two first magnetic plates 12 are magnetically connected to the second magnetic plates 13. Two recessed grooves are provided at the bottom of the support plate main component 9, and the two second magnetic plates 13 are fixedly connected in the two recessed grooves respectively. The lifting plate 4 and the support plate main component 9 are installed through magnetic connection, and the operation is simple and quick.

[0029] Reference Figure 5 Two U-shaped frames 14 are fixedly connected to the bottom of the support plate main part 9, and the two U-shaped frames 14 are sleeved on the side walls of the lifting plate 4. Two card slots are provided on the front and back sides of the lifting plate 4. The inner wall of the U-shaped frame 14 is embedded in the card slot of the lifting plate 4. The U-shaped frame 14 cooperates with the card slot of the lifting plate 4 to play a positioning effect on the support plate main part 9 to avoid lateral and longitudinal displacement.

[0030] The working principle of the utility model is as follows: when in use, the rotating shaft 5 is controlled to rotate through the one-way rotary drive mechanism 8, and the two gears 7 are driven to rotate simultaneously through the rotating shaft 5. Under the meshing effect of the two gears 7 and the two racks 3, the rising and falling forces are achieved, and the rotating shaft 5 is connected to the lifting plate 4 through the sleeve 6, so that the lifting plate 4 drives the supporting plate main component 9 to rise and fall, thereby achieving the effect of controlling the spacing between multiple supporting plate main components 9 through mechanical cooperation.

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. The utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An auxiliary device for cardiothoracic surgery, comprising two vertical rods (1), the tops of the two vertical rods (1) being fixedly connected with a horizontal rod (2), characterized in that: A plurality of lifting plates (4) are slidably sleeved on the inner side surfaces of the two vertical rods (1), and a rotating shaft (5) is arranged at the bottom of the plurality of lifting plates (4). Two sleeves (6) are movably sleeved on the side walls of the rotating shaft (5), and the two sleeves (6) are fixedly connected at the bottom of the lifting plates (4). Gears (7) are fixedly connected at both ends of the rotating shaft (5). A groove is arranged on the inner side surfaces of the two vertical rods (1), and racks (3) are fixedly connected in the two grooves. The two gears (7) are respectively meshed with the two racks (3). A supporting plate main part (9) is fixedly installed on the top of the plurality of lifting plates (4), and a one-way rotary drive mechanism (8) is fixedly connected at the bottom of the plurality of lifting plates (4). The output end of the one-way rotary drive mechanism (8) is butt-jointed with the rotating shaft (5).

2. A cardiothoracic surgery assisting device according to claim 1, characterized in that: Two sliders (10) are fixedly connected to both sides of the lifting plate (4), and two slide grooves are provided on the inner wall surfaces of the two vertical rods (1), and positioning rods (11) are fixedly connected in the slide grooves, and the sliders (10) are slidably sleeved on the side walls of the positioning rods (11).

3. A cardiothoracic surgery assisting device according to claim 2, characterized in that: The sliding block (10) is clearance-matched with the side wall of the positioning rod (11).

4. The cardiothoracic surgery assisting device according to claim 1, characterized in that: The one-way rotary drive mechanism (8) comprises a shell (81), the shell (81) is fixedly connected to the bottom of the lifting plate (4), a worm rod (82) is movably sleeved inside the shell (81), a turbine (83) is meshed on the side wall of the worm rod (82), and the turbine (83) is fixedly connected to the side wall of the rotating shaft (5).

5. The cardiothoracic surgery assisting device according to claim 4, characterized in that: The front side of the housing (81) is movably sleeved with a rotary handle (84), the back end of the rotary handle (84) penetrates the housing (81) and is connected to the worm rod (82), and the side wall of the rotary handle (84) is provided with anti-slip grooves.

6. The cardiothoracic surgery assisting device according to claim 4, characterized in that: The bottom of the lifting plate (4) is provided with a through groove, and the turbine (83) is embedded in the through groove at the bottom of the lifting plate (4).

7. The cardiothoracic surgery assisting device according to claim 1, characterized in that: The top of the lifting plate (4) is fixedly connected to two first magnetic plates (12), and the tops of the two first magnetic plates (12) are magnetically connected to second magnetic plates (13). The bottom of the support plate main part (9) is provided with two recessed grooves, and the two second magnetic plates (13) are fixedly connected in the two recessed grooves respectively.

8. The cardiothoracic surgery assisting device according to claim 7, characterized in that: Two U-shaped frames (14) are fixedly connected to the bottom of the support plate main part (9), and the two U-shaped frames (14) are sleeved on the side walls of the lifting plate (4). Two slots are arranged on the front and back sides of the lifting plate (4), and the inner walls of the U-shaped frames (14) are embedded in the slots of the lifting plate (4).

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