Thoracic surgery retractor

Abstract

The utility model discloses a thoracic surgery retractor which comprises a first adjusting assembly, storage mechanisms, second adjusting assemblies and a fixing assembly, the second adjusting assemblies are arranged on the two sides of the bottom of the first adjusting assembly, the storage mechanisms are arranged on the two sides of the front face of the first adjusting assembly, and the fixing assembly is arranged at the bottoms of the second adjusting assemblies. The thoracic surgery retractor has the advantages of being good in storage effect, high in stability during an operation and convenient to adjust, and solves the problems that in the using process of the thoracic surgery retractor, the lengths of the movable blades and the fixed blades cannot be adjusted, meanwhile, in the manual adjusting process, the stability is poor under the cooperation of a rack and a gear, and the operation is not convenient. The problems that in the prior art, due to the fact that the sternum is opened in the surgery, the surgery is easily affected after the sternum is opened, in addition, after the surgery is finished, the sternum is inconvenient to store, daily taking of the sternum is troublesome, and the surgery efficiency is greatly reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a thoracic surgery retractor. Background Art

[0002] In thoracic cardiac surgery, in order to facilitate medical staff to see the patient's chest cavity more comprehensively, the sternum is usually stretched open with the help of a retractor, forcing half of the sternum and the adjacent ribs to retreat to either side, thereby expanding the medical staff's treatment field of view.

[0003] After testing, in the prior art, the Chinese patent number is: CN208551883U, and the publication date is: 2019-3-1. It discloses a thoracic surgical retractor to solve the problem that the existing thoracic surgical retractor is easy to bend and rebound, including a fixed blade and a movable blade. The ends of the fixed blade and the movable blade are respectively provided with a first hook and a second hook that cooperate with each other. The tail of the fixed blade is fixedly connected with a rack, and the tail of the movable blade is provided with a channel for the gear to pass through. A rotating shaft is provided on the movable blade, and the rotating shaft is fixedly connected with a gear that is teethed with the teeth on the rack. The rotating shaft is connected with a handle for controlling the rotation of the rotating shaft. The first hook and the fixed blade are integrally formed, and the second hook and the movable blade are integrally formed.

[0004] The above structure also has the following defects:

[0005] During use, the length of the movable blade and the fixed blade of the thoracic surgical retractor cannot be adjusted. At the same time, during manual adjustment, the stability of the rack and the gear is poor, which can easily affect the progress of the operation after the sternum is stretched. In addition, after the operation, it is not convenient to store it, which makes it more troublesome to take it daily, thereby greatly reducing the efficiency of the operation. Utility Model Content

[0006] The utility model aims to provide a thoracic surgical retractor, which has the advantages of good storage effect, high stability during surgery and easy adjustment, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: A thoracic surgical retractor comprises a first adjustment component, a storage mechanism, a second adjustment component and a fixing component, wherein the second adjustment component is arranged on both sides of the bottom of the first adjustment component, the storage mechanism is arranged on both sides of the front of the first adjustment component, and the fixing component is arranged at the bottom of the second adjustment component, the first adjustment component comprises a first servo motor, a fixing block, a first threaded rod, a first slider and a first slide groove, the first servo motor is installed on the right side of the fixing block, the first threaded rod rotates inside the first slider, the second adjustment component comprises a card seat, a first cylinder and a connecting rod, the first cylinder is installed in the inner cavity of the card seat, and the connecting rod is installed at the bottom of the first cylinder, the storage mechanism comprises a moving rod, a mounting seat, a second motor and a second threaded rod, the second motor is installed in the inner cavity of the mounting seat, the second threaded rod rotates in the inner cavity of the moving rod through a thread, a spreading piece is fixedly installed at the bottom of the mounting seat, a multi-function switch is fixedly installed at the center of the top of the first adjustment component, the fixing component comprises a U-shaped seat and a second cylinder, and the second cylinder is installed at the bottom of the U-shaped seat.

[0008] Furthermore, the output shaft of the first servo motor is fixedly connected to the right side of the first threaded rod, and the output shaft of the second motor is installed at the bottom of the second threaded rod.

[0009] Furthermore, the second adjustment component also includes a limiting wheel, which is installed on both sides of the connecting rod, and the surface of the limiting wheel is slidably connected to the inner cavity of the card seat.

[0010] Furthermore, the first sliding block is installed on the front side of the moving rod, and the U-shaped seat is installed on the bottom of the connecting rod.

[0011] Furthermore, the storage mechanism includes a second slide groove and a second slider, the second slide grooves are both opened on both sides of the inner cavity of the mounting seat, the second slider slides in the inner cavity of the second slide groove, and the inner side of the second slider is fixedly connected to both sides of the moving rod.

[0012] Furthermore, the fixing assembly also includes a fixing plate, which is arranged in the inner cavity of the U-shaped seat, and the bottom of the fixing plate is fixedly connected to the top of the second cylinder.

[0013] Furthermore, the first sliding groove is provided inside the fixed block, and the first sliding block slides in the inner cavity of the first sliding groove.

[0014] In summary, due to the adoption of the above technology, the beneficial effects of the utility model are:

[0015] The utility model facilitates the adjustment of the position of the storage mechanism by providing a first adjustment component, facilitates the adjustment of the position of the expansion plate by providing a storage mechanism, facilitates the fixation of the overall device by providing a fixing component, limits the first slider by providing a first slide groove to prevent the first slider from shaking during movement, adjusts the position of the connecting rod by providing a first cylinder, facilitates the control of the first servo motor and the second motor by providing a multi-function switch, and moves the position of the first slider by providing a first threaded rod, thereby solving the problem that the thoracic surgical retractor of the prior art cannot adjust the length of the movable blade and the fixed blade during use, and at the same time, the stability is poor under the cooperation of the rack and the gear during manual adjustment, which can easily affect the progress of the operation after the sternum is expanded during the operation. In addition, it is not convenient to store it after the operation, which makes it more troublesome to take it in daily life, thereby greatly reducing the efficiency of the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the storage mechanism of the utility model from top view;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the first adjustment component of the utility model;

[0019] Figure 4 It is a schematic diagram of the cross-sectional structure of the second adjustment component of the utility model.

[0020] In the figure: 1. first adjusting component; 101. first servo motor; 102. fixing block; 103. first threaded rod; 104. first slider; 105. first slide groove; 2. storage mechanism; 201. moving rod; 202. mounting seat; 203. second slide groove; 204. second threaded rod; 205. second slider; 206. second motor; 3. multi-function switch; 4. second adjusting component; 401. holder; 402. first cylinder; 403. limiting wheel; 404. connecting rod; 5. fixing component; 501. U-shaped seat; 502. second cylinder; 503. fixing plate; 6. opening piece. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0022] The utility model provides Figure 1-4 As shown, a thoracic surgical retractor comprises a first adjustment component 1, a storage mechanism 2, a second adjustment component 4 and a fixing component 5, wherein the second adjustment component 4 is arranged on both sides of the bottom of the first adjustment component 1, the storage mechanism 2 is arranged on both sides of the front of the first adjustment component 1, the fixing component 5 is arranged at the bottom of the second adjustment component 4, the first adjustment component 1 comprises a first servo motor 101, a fixing block 102, a first threaded rod 103, a first slider 104 and a first slide groove 105, the first servo motor 101 is installed on the right side of the fixing block 102, the first threaded rod 103 rotates inside the first slider 104, the second adjustment component 4 comprises a holder 401, a first cylinder 4 02 and a connecting rod 404, the first cylinder 402 is installed in the inner cavity of the card seat 401, and the connecting rod 404 is installed at the bottom of the first cylinder 402, the storage mechanism 2 includes a moving rod 201, a mounting seat 202, a second motor 206 and a second threaded rod 204, the second motor 206 is installed in the inner cavity of the mounting seat 202, the second threaded rod 204 is rotated in the inner cavity of the moving rod 201 through a thread, and a support plate 6 is fixedly installed at the bottom of the mounting seat 202, a multi-function switch 3 is fixedly installed at the center of the top of the first adjustment component 1, and the fixing component 5 includes a U-shaped seat 501 and a second cylinder 502, and the second cylinder 502 is installed at the bottom of the U-shaped seat 501.

[0023] In some embodiments, the output shaft of the first servo motor 101 is fixedly connected to the right side of the first threaded rod 103, and the output shaft of the second motor 206 is installed at the bottom of the second threaded rod 204. More specifically, the first threaded rod 103 is driven by the first servo motor 101, and the second threaded rod 204 is driven by the second motor 206, so as to indirectly adjust the position of the moving rod 201.

[0024] In some embodiments, the second adjustment component 4 also includes a limiting wheel 403, and the limiting wheel 403 is installed on both sides of the connecting rod 404. The surface of the limiting wheel 403 is slidably connected to the inner cavity of the holder 401. More specifically, the limiting wheel 403 is set to limit both sides of the connecting rod 404 to prevent the connecting rod 404 from shaking during movement.

[0025] In some embodiments, the first slider 104 is installed on the front side of the moving rod 201, and the U-shaped seat 501 is installed on the bottom of the connecting rod 404. More specifically, the storage mechanism 2 is limited by setting the first slider 104 to prevent the storage mechanism 2 from shaking during the movement, and the U-shaped seat 501 is moved by setting the connecting rod 404.

[0026] In some embodiments, the storage mechanism 2 includes a second slide groove 203 and a second slider 205, the second slide groove 203 is opened on both sides of the inner cavity of the mounting seat 202, the second slider 205 slides in the inner cavity of the second slide groove 203, and the inner side of the second slider 205 is fixedly connected to the two sides of the moving rod 201. More specifically, the second slide groove 203 is set to limit the second slider 205 to prevent the second slider 205 from shaking during the movement, and the second slider 205 is set to limit the moving rod 201 to prevent the moving rod 201 from shaking during the movement.

[0027] In some embodiments, the fixing assembly 5 also includes a fixing plate 503, which is arranged in the inner cavity of the U-shaped seat 501, and the bottom of the fixing plate 503 is fixedly connected to the top of the second cylinder 502. More specifically, through the cooperation of the second cylinder 502 and the fixing plate 503, the overall device can be easily fixed.

[0028] In some embodiments, the first slide groove 105 is opened inside the fixed block 102, and the first slider 104 slides in the inner cavity of the first slide groove 105. The first slide groove (105) is set to limit the first slider (104) to prevent the first slider (104) from shaking during the movement.

[0029] Working principle:

[0030] Step 1: During the fixed installation, the second cylinder 502 is turned on, and the fixing plate 503 is driven to move upward by the second cylinder 502, so as to fix the whole device, and then the first cylinder 402 is turned on, and the connecting rod 404 is driven to move downward by the first cylinder 402, so as to adjust the position of the first adjustment component 1;

[0031] Step 2: When working, the multi-function switch 3 is used to make the first servo motor 101 work, and the first servo motor 101 drives the first threaded rod 103 to rotate, so that the first slider 104 drives the storage mechanism 2 to move to both sides, thereby adjusting the position of the storage mechanism 2, and at the same time, the chest cavity is opened under the action of the expansion piece 6;

[0032] Step 3: When storing, turn on the second motor 206, and drive the second threaded rod 204 to rotate through the second motor 206, so as to store the mounting seat 202.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A thoracic surgery retractor, characterized in that: The invention comprises a first adjusting component (1), a storage mechanism (2), a second adjusting component (4) and a fixing component (5), wherein the second adjusting component (4) is arranged on both sides of the bottom of the first adjusting component (1), the storage mechanism (2) is arranged on both sides of the front of the first adjusting component (1), and the fixing component (5) is arranged at the bottom of the second adjusting component (4). The first adjusting component (1) comprises a first servo motor (101), a fixing block (102), a first threaded rod (103), a first sliding block (104) and a first sliding groove (105), wherein the first servo motor (101) is installed on the right side of the fixing block (102), the first threaded rod (103) rotates inside the first sliding block (104), and the second adjusting component (4) comprises a holder (401), a first cylinder (402) and a connecting rod ( 404), the first cylinder (402) is installed in the inner cavity of the card seat (401), the connecting rod (404) is installed at the bottom of the first cylinder (402), the storage mechanism (2) includes a moving rod (201), a mounting seat (202), a second motor (206) and a second threaded rod (204), the second motor (206) is installed in the inner cavity of the mounting seat (202), the second threaded rod (204) is rotated in the inner cavity of the moving rod (201) through a thread, a support plate (6) is fixedly installed at the bottom of the mounting seat (202), a multi-function switch (3) is fixedly installed at the center of the top of the first adjustment component (1), and the fixing component (5) includes a U-shaped seat (501) and a second cylinder (502), and the second cylinder (502) is installed at the bottom of the U-shaped seat (501).

2. The thoracic surgical retractor according to claim 1, characterized in that: The output shaft of the first servo motor (101) is fixedly connected to the right side of the first threaded rod (103), and the output shaft of the second motor (206) is installed at the bottom of the second threaded rod (204).

3. The thoracic surgical retractor according to claim 1, characterized in that: The second adjustment component (4) further comprises a limiting wheel (403), wherein the limiting wheel (403) is mounted on both sides of the connecting rod (404), and the surface of the limiting wheel (403) is slidably connected to the inner cavity of the clamping seat (401).

4. The thoracic surgical retractor according to claim 1, characterized in that: The first sliding block (104) is installed on the front side of the moving rod (201), and the U-shaped seat (501) is installed on the bottom of the connecting rod (404).

5. The thoracic surgery retractor according to claim 1, characterized in that: The storage mechanism (2) comprises a second slide groove (203) and a second slider (205); the second slide groove (203) is provided on both sides of the inner cavity of the mounting seat (202); the second slider (205) slides in the inner cavity of the second slide groove (203); the inner side of the second slider (205) is fixedly connected to both sides of the moving rod (201).

6. The thoracic surgical retractor according to claim 1, characterized in that: The fixing assembly (5) further comprises a fixing plate (503), wherein the fixing plate (503) is arranged in the inner cavity of the U-shaped seat (501), and the bottom of the fixing plate (503) is fixedly connected to the top of the second cylinder (502).

7. The thoracic surgical retractor according to claim 1, characterized in that: The first sliding groove (105) is provided inside the fixed block (102), and the first sliding block (104) slides in the inner cavity of the first sliding groove (105).

Images