Novel rib retractor with light source

Abstract

The application discloses a novel rib retractor with a light source, and relates to the technical field of medical devices.The retractor comprises a retraction driver, a fixed arm is fixedly connected to the side of the retraction driver, a movable arm is arranged on one side of the fixed arm, the movable arm is slidably connected to the retraction driver, an adjusting assembly is arranged in the retraction driver, the adjusting assembly is fixedly connected to the movable arm, retraction arms are symmetrically arranged on the movable arm and the fixed arm, respectively, a conversion assembly is fixedly connected to the top of each retraction arm, the conversion assembly is rotatably connected to the fixed arm, illumination structures are arranged on the movable arm and the fixed arm, and the illumination structures are rotatably connected to the fixed arm.The angle of the illumination structures can be adjusted, the field of vision is ensured to be clearer, the normal operation of surgery is facilitated, the movable arm is more convenient to move through the adjusting assembly, the spatial structure is rationally designed, the operation of a doctor is not affected, and the situation of accidental touch is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, in particular to a novel rib retractor with a light source. BACKGROUND

[0002] When a surgeon performs a thoracic surgery, the incision is expanded under the action of a rib retractor, and the inside of the thoracic cavity is illuminated by a shadowless lamp above the operating table as the main light source. Because the illumination range of the inside of the thoracic cavity is limited by the extent of the incision expansion, even if the height and the irradiation angle of the shadowless lamp are constantly adjusted, the light cannot enter the ineffective angle to meet the requirements of the surgery, which causes a considerable impact on the smooth progress of the surgery.

[0003] A rib retractor with an auxiliary adjustable lighting device is disclosed in the prior art with publication number CN203290943U, which comprises a rack, a gear handle, a movable retraction arm, a fixed retraction arm and an adjustable lighting device. The adjustable lighting device is composed of a lighting head, a lighting lamp handle, a light guide fiber bundle and a light guide fiber bundle cold light source connector. The middle part of the fixed retraction arm has a jack, and the adjustable lighting device is installed on the jack. The jack and the longitudinal edge surface of the lighting lamp handle are inserted and matched to adjust the illumination angle. The above-mentioned prior art is inconvenient to adjust the movable arm when in use, and the gear handle is relatively large in shape, which is inevitably touched and hinders the operation of the operator. The irradiation angle of the light source is fixed, and only a partial field of view can be illuminated. The angle is not adjustable, and there is a problem of inconvenience in use.

[0004] Therefore, there is an urgent need for a novel rib retractor with a light source to solve the problems existing in the above-mentioned prior art. SUMMARY

[0005] The purpose of the present application is to provide a novel rib retractor with a light source to solve the problems existing in the prior art.

[0006] To achieve the above-mentioned purpose, the present application provides the following scheme: the present application provides a novel rib retractor with a light source, which comprises a retraction driver, a fixed arm is fixed on the side of the retraction driver, a movable arm is arranged on one side of the fixed arm, the movable arm is in sliding connection with the retraction driver, an adjusting assembly is installed in the retraction driver, the adjusting assembly is fixedly connected with the movable arm, retraction arms are symmetrically installed on the movable arm and the fixed arm respectively, a conversion assembly is detachably connected to the top of the retraction arm, the conversion assembly is in rotational connection with the fixed arm, and illumination structures are installed on the movable arm and the fixed arm, and the illumination structures are in rotational connection with the fixed arm.

[0007] Preferably, the lighting structure comprises a shell rotatably connected to the bottom surface of the fixed arm, a cylinder fixed to the top of the shell, the cylinder located in the fixed arm, a driving assembly drivingly connected to the cylinder, the driving assembly rotatably connected to the fixed arm, a first lighting lamp slidingly connected to the side wall of the shell, the first lighting lamp electrically connected to an external power source, a lifting assembly drivingly connected to the first lighting lamp, the lifting assembly threadedly connected to the cylinder.

[0008] Preferably, the lifting assembly comprises a sliding block hingedly connected to the first lighting lamp, the shell side wall is provided with a groove, the sliding block is located in the groove and slidingly connected to the groove, a screw rod rotatably connected to the top surface of the sliding block, the screw rod top end extends into the cylinder and is threadedly connected to the cylinder.

[0009] Preferably, the top surface of the cylinder is fixedly connected to a limiting block, the limiting block is rotatably connected to the top surface of the fixed arm, the screw rod top end penetrates through the limiting block and is fixedly connected to a third knob, the third knob is rotatably connected to the top surface of the limiting block.

[0010] Preferably, the driving assembly comprises a first gear fixedly connected to the outer wall of the cylinder, the first gear is engaged with a second gear, the first gear and the second gear are respectively in contact with the inner bottom surface of the fixed arm, a rotating rod is fixedly connected to the center of the second gear, the rotating rod top end extends out of the fixed arm and is fixedly connected to a second knob, the second knob is rotatably connected to the outer side of the fixed arm.

[0011] Preferably, a second lighting lamp is fixedly installed in the shell, the second lighting lamp is electrically connected to an external power source.

[0012] Preferably, the adjusting assembly comprises a worm, one end of the worm is rotatably connected to the inner wall of the retractor driver, the other end of the worm extends out of the retractor driver and is fixedly connected to a first knob, the first knob is rotatably connected to the outer wall of the retractor driver, the worm is engaged with a worm gear, a connecting shaft rotatably penetrates through the center of the worm gear, one end of the connecting shaft is slidingly connected to the inner wall of the retractor driver, the other end of the connecting shaft extends out of the retractor driver and is fixedly connected to the movable arm, a bottom plate is fixedly connected to the inner bottom surface of the retractor driver, a limiting groove is formed in the top surface of the bottom plate, the bottom of the worm gear is located in the limiting groove, a plurality of tooth grooves are formed in the limiting groove, the tooth grooves are engaged with the worm gear.

[0013] Preferably, a strip-shaped groove is formed in the side wall of the retractor driver, the connecting shaft is slidingly connected to the strip-shaped groove.

[0014] Preferably, the conversion assembly comprises a connecting rod detachably connected to the top surface of the retractor arm, an adjusting knob is fixedly connected to the top of the connecting rod, the adjusting knob is rotatably connected to the top surface of the fixed arm.

[0015] Preferably, the inner bottom surface of the fixed arm is fixedly connected with a second gear plate, a first gear plate is arranged above the second gear plate, the first gear plate is fixedly connected with the connecting rod, the connecting rod penetrates the center of the second gear plate and is rotationally connected with the second gear plate, a spring is arranged outside the connecting rod, one end of the spring is fixedly connected with the inner top surface of the fixed arm, and the other end of the spring is fixedly connected with the top surface of the first gear plate.

[0016] The technical effects of the present application are as follows: during use, the device is placed at a chest incision, two retractor arms clamp ribs respectively, then the movable arm is moved by adjusting the adjusting assembly, the ribs are retracted, the illumination structures on the movable arm and the fixed arm provide additional light sources, facilitating the operation of a doctor, the angle of the illumination structure can be adjusted to maximize the illumination field of view, the setting of the conversion assembly can adjust the angle of the retractor arm, the retractor arm can be detached, the retractor arm is replaced with a small hook, the illumination structure is removed, then the hook is rotated by 180° to perform a rib closing operation, the application range is expanded and the practicability is enhanced, the illumination structures on the movable arm and the fixed arm have the same structure as the conversion assembly, and the connection relationship of each structure on the fixed arm is described below. The angle of the illumination structure can be adjusted to ensure a clearer field of view, which is beneficial to the normal performance of a surgery, the setting of the adjusting assembly facilitates the movement of the movable arm, the spatial structure design is reasonable, the operation of a doctor is not affected, and the occurrence of accidental touch is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The embodiments illustrated in the drawings, and their description, are presented to explain the application and not to limit or define it. In the drawings:

[0018] Figure 1 is a structural schematic view of the present application;

[0019] Figure 2 is a partial enlarged view of A in the present application Figure 1

[0020] Figure 3 is a partial enlarged view of B in the present application Figure 1

[0021] Figure 4 is a structural schematic view of the conversion assembly on the fixed arm of the present application;

[0022] Figure 5 is a structural schematic view of the driving assembly on the fixed arm of the present application;

[0023] Figure 6 is a structural schematic view of the internal structure of the shell of the present application; ​​

[0024] Figure 7 The internal structure diagram of the retractor driver of the present application;

[0025] Figure 8 The partial top view of the base plate of the present application;

[0026] In the figure: 1, retractor driver; 2, movable arm; 3, fixed arm; 4, strip-shaped slot; 5, first knob; 6, second knob; 7, shell; 8, adjusting knob; 9, retractor arm; 10, first illuminating lamp; 11, groove; 12, screw rod; 13, sliding block; 14, limiting block; 15, third knob; 16, connecting rod; 17, spring; 18, first toothed disc; 19, second toothed disc; 20, cylinder; 21, rotating rod; 22, first gear; 23, second gear; 24, second illuminating lamp; 25, worm; 26, worm wheel; 27, connecting shaft; 28, base plate; 29, toothed groove; 30, limiting groove. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0028] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0029] Reference Figures 1-8 As shown in the figure, the present embodiment provides a novel rib retractor with light source, which comprises a retractor driver 1, a fixed arm 3 is fixedly connected to the side of the retractor driver 1, a movable arm 2 is arranged on one side of the fixed arm 3, the movable arm 2 is slidably connected with the retractor driver 1, an adjusting assembly is installed in the retractor driver 1, the adjusting assembly is fixedly connected with the movable arm 2, a retractor arm 9 is symmetrically installed on each of the movable arm 2 and the fixed arm 3, a conversion assembly is detachably connected to the top of the retractor arm 9, the conversion assembly is rotatably connected with the fixed arm 3, an illuminating structure is installed on each of the movable arm 2 and the fixed arm 3, and the illuminating structure is rotatably connected with the fixed arm 3.

[0030] In use, the device is placed at the chest incision, the four retractor arms 9 are clamped on the ribs on both sides respectively, the purpose of setting the four retractor arms 9 is to ensure uniform stress and prevent rib fracture during retraction, then the movable arm 2 is moved by adjusting the adjusting assembly to retract the ribs, the lighting structure on the movable arm 2 and the fixed arm 3 provides additional light source, which facilitates the operation of the doctor, the angle of the lighting structure can be adjusted to maximize the lighting field of view; the setting of the conversion assembly can adjust the angle of the retractor arm 9, the retractor arm 9 can be detached, the retractor arm 9 is replaced with a small hook, and the lighting structure is removed, then the rib closing work can be carried out by rotating 180°, which expands the application range and enhances the practicability; the lighting structure and the conversion assembly structure on the movable arm 2 and the fixed arm 3 are the same, and the connection relationship of each structure on the fixed arm 3 is described below. The angle of the lighting structure can be adjusted to ensure a clearer field of view, which is beneficial to the normal operation of the surgery, and the setting of the adjusting assembly facilitates the movement of the movable arm 2, and the spatial structure design is reasonable, which does not affect the operation of the doctor and avoids accidental touch.

[0031] Further optimization scheme, the lighting structure includes an outer shell 7 rotatably connected with the bottom surface of the fixed arm 3, a cylindrical 20 is fixedly connected to the top of the outer shell 7, the cylindrical 20 is located in the fixed arm 3, the cylindrical 20 is drivingly connected with a driving assembly, the driving assembly is rotatably connected with the fixed arm 3, a first illuminating lamp 10 is slidingly connected with the side wall of the outer shell 7, the first illuminating lamp 10 is electrically connected with an external power supply, the first illuminating lamp 10 is drivingly connected with a lifting assembly, and the lifting assembly is threadedly connected with the cylindrical 20. The cylindrical 20 is driven to rotate by the driving assembly, the outer shell 7 is driven to rotate by the cylindrical 20, and the first illuminating lamp 10 is driven to rotate by the outer shell 7, so as to adjust the horizontal direction angle, and the lifting assembly can adjust the vertical direction angle of the first illuminating lamp 10, so as to facilitate the lighting of each corner and provide great convenience for the doctor.

[0032] Further optimization scheme, the lifting assembly includes a sliding block 13 hingedly connected with the first illuminating lamp 10, a groove 11 is formed in the side wall of the outer shell 7, the sliding block 13 is located in the groove 11 and is slidingly connected with the groove 11, a screw rod 12 is rotatably connected to the top surface of the sliding block 13, and the top of the screw rod 12 extends into the cylindrical 20 and is threadedly connected with the cylindrical 20. Since the screw rod 12 is threadedly connected with the cylindrical 20, rotating the screw rod 12 can make it move vertically, the screw rod 12 drives the sliding block 13 to slide in the groove 11, the movement of the sliding block 13 changes the position where the first illuminating lamp 10 contacts the edge of the groove 11, so that the angle of the first illuminating lamp 10 changes, and the maximum change angle is not more than 90°.

[0033] Further optimization scheme, the top surface of the cylinder 20 is fixedly connected with a limiting block 14, the limiting block 14 is rotatably connected with the top surface of the fixed arm 3, the top of the screw rod 12 penetrates through the limiting block 14 and is fixedly connected with a third knob 15, the third knob 15 is rotatably connected with the top surface of the limiting block 14. The third knob 15 is rotated to drive the screw rod 12 to rotate, so that the sliding block 13 moves in the groove 11, and the angle adjustment work is completed.

[0034] Further optimization scheme, the driving assembly comprises a first gear 22 fixedly connected with the outer wall of the cylinder 20, the first gear 22 is engaged with a second gear 23, the first gear 22 and the second gear 23 are respectively in contact with the inner bottom surface of the fixed arm 3, the center of the second gear 23 is fixedly connected with a rotating rod 21, the top of the rotating rod 21 extends out of the fixed arm 3 and is fixedly connected with a second knob 6, the second knob 6 is rotatably connected with the outer side of the fixed arm 3. Rotating the second knob 6 drives the rotating rod 21 to rotate, the rotating rod 21 drives the second gear 23 to rotate, the second gear 23 drives the first gear 22 to rotate, the first gear 22 drives the cylinder 20 to rotate, so that the first illuminating lamp 10 is adjusted in the horizontal direction, and each angle is illuminated conveniently.

[0035] Further optimization scheme, the second illuminating lamp 24 is fixedly installed in the shell 7 and is electrically connected with an external power supply. The external power supply can be powered by installing a battery, improving convenience, and the second illuminating lamp 24 can always illuminate the front of the shell 7 as a supplementary light source, further expanding the illumination field of view and providing convenience for surgery.

[0036] Further optimization scheme, the adjusting assembly comprises a worm 25, one end of the worm 25 is rotatably connected with the inner wall of the retractor driver 1, the other end of the worm 25 extends out of the retractor driver 1 and is fixedly connected with a first knob 5, the first knob 5 is rotatably connected with the outer wall of the retractor driver 1, the worm 25 is engaged with a worm gear 26, the center of the worm gear 26 is rotatably penetrated by a connecting shaft 27, one end of the connecting shaft 27 is slidably connected with the inner wall of the retractor driver 1, the other end of the connecting shaft 27 extends out of the retractor driver 1 and is fixedly connected with the movable arm 2, a bottom plate 28 is fixedly connected with the inner bottom surface of the retractor driver 1, a limiting groove 30 is formed in the top surface of the bottom plate 28, the bottom of the worm gear 26 is located in the limiting groove 30, a plurality of tooth grooves 29 are formed in the limiting groove 30 and are engaged with the worm gear 26. Rotating the first knob 5 drives the worm 25 to rotate, the worm 25 drives the worm gear 26 to rotate, the worm gear 26 is in contact with the tooth grooves 29 in the limiting groove 30, so that the worm gear 26 moves in the limiting groove 30, the worm gear 26 drives the connecting shaft 27 to move, the connecting shaft 27 drives the movable arm 2 to move, and the rib retraction work is completed. The adjusting mode of rotating the first knob 5 occupies less space than the handle mode, and the first knob 5 will not be accidentally touched, preventing accidents; the bottom plate 28 can limit the worm gear 26 to prevent the worm gear 26 from being skewed during movement due to torsion.

[0037] Further optimization scheme, the side wall of the retractor driver 1 is provided with a strip-shaped slot 4, and the connecting shaft 27 is in sliding connection with the strip-shaped slot 4. The strip-shaped slot 4 is arranged to facilitate the sliding of the connecting shaft 27, and provides a convenient condition for the movement of the movable arm 2.

[0038] Further optimization scheme, the conversion assembly comprises a connecting rod 16 which is detachably connected with the top surface of the retractor arm 9, the top of the connecting rod 16 is fixedly connected with the adjusting knob 8, and the adjusting knob 8 is in rotary connection with the top surface of the fixed arm 3. The retractor arm 9 can be detached by rotating the adjusting knob 8 to drive the connecting rod 16 to rotate, and then the retractor arm 9 is replaced by a small hook, and the lighting structure is removed, and then the rib closing work is carried out, so that the application range is wide, and the functional diversity is enhanced.

[0039] Further optimization scheme, the second tooth disc 19 is fixedly connected to the inner bottom surface of the fixed arm 3, the first tooth disc 18 is arranged above the second tooth disc 19, the first tooth disc 18 is fixedly connected with the connecting rod 16, the connecting rod 16 penetrates through the center of the second tooth disc 19 and is in rotary connection with the second tooth disc 19, the spring 17 is arranged on the outer side of the connecting rod 16, one end of the spring 17 is fixedly connected with the inner top surface of the fixed arm 3, and the other end of the spring 17 is fixedly connected with the top surface of the first tooth disc 18. The first tooth disc 18 is pulled upwards to move upwards until the first tooth disc 18 is disengaged from the second tooth disc 19, at this time, the connecting rod 16 can be freely rotated, the angle of the retractor arm 9 is adjusted, the adjusting knob 8 is loosened after the adjustment is completed, the first tooth disc 18 and the second tooth disc 19 are tightly engaged under the action of the spring 17, the limiting is completed, the operation is simple and convenient; the retractor arm 9 is rotated by 180° to close the ribs, the function is diverse, and the use is more convenient.

[0040] In the description of the present application, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the present application.

[0041] The above-described embodiments are only preferred modes of the present application, and do not limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those skilled in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application.

Claims

1. A novel rib retractor with a light source, characterized in that: The device includes a retraction actuator (1), a fixed arm (3) fixedly connected to the side of the retraction actuator (1), a movable arm (2) provided on one side of the fixed arm (3), the movable arm (2) being slidably connected to the retraction actuator (1), an adjustment component installed inside the retraction actuator (1), the adjustment component being fixedly connected to the movable arm (2), retraction arms (9) symmetrically installed on the movable arm (2) and the fixed arm (3), a conversion component detachably connected to the top of the retraction arm (9), the conversion component being rotatably connected to the fixed arm (3), and a lighting structure installed on both the movable arm (2) and the fixed arm (3), the lighting structure being rotatably connected to the fixed arm (3). The lighting structure includes a housing (7) rotatably connected to the bottom surface of the fixed arm (3), a cylinder (20) fixedly connected to the top of the housing (7), the cylinder (20) located inside the fixed arm (3), the cylinder (20) being driven by a drive assembly, the drive assembly being rotatably connected to the fixed arm (3), a first lighting lamp (10) being slidably connected to the side wall of the housing (7), the first lighting lamp (10) being electrically connected to an external power source, the first lighting lamp (10) being driven by a lifting assembly, the lifting assembly being threadedly connected to the cylinder (20); The lifting assembly includes a slider (13) hinged to the first lighting lamp (10). The outer shell (7) has a groove (11) on its side wall. The slider (13) is located in the groove (11) and is slidably connected to the groove (11). A screw (12) is rotatably connected to the top surface of the slider (13). The top of the screw (12) extends into the cylinder (20) and is threadedly connected to the cylinder (20). The top surface of the cylinder (20) is fixedly connected to a limiting block (14), the limiting block (14) is rotatably connected to the top surface of the fixed arm (3), the top of the screw (12) passes through the limiting block (14) and is fixedly connected to a third knob (15), the third knob (15) is rotatably connected to the top surface of the limiting block (14).

2. The novel rib retractor with a light source according to claim 1, characterized in that: The drive assembly includes a first gear (22) fixed to the outer wall of the cylinder (20), the first gear (22) meshing with a second gear (23), the first gear (22) and the second gear (23) respectively contacting the inner bottom surface of the fixed arm (3), a rotating rod (21) fixed to the center of the second gear (23), the top of the rotating rod (21) extending out of the fixed arm (3) and fixed to a second knob (6), the second knob (6) being rotatably connected to the outer side of the fixed arm (3).

3. The novel rib retractor with a light source according to claim 1, characterized in that: A second lighting lamp (24) is fixedly installed inside the outer casing (7), and the second lighting lamp (24) is electrically connected to an external power source.

4. The novel rib retractor with a light source according to claim 1, characterized in that: The adjusting assembly includes a worm gear (25), one end of which is rotatably connected to the inner wall of the retractor (1), and the other end of which extends out of the retractor (1) and is fixedly connected to a first knob (5). The first knob (5) is rotatably connected to the outer wall of the retractor (1). The worm gear (25) meshes with a worm wheel (26), and a connecting shaft (27) rotates through the center of the worm wheel (26). One end of the connecting shaft (27) is connected to the inner wall of the retractor (1). The inner wall of the pull-away driver (1) is slidably connected, and the other end of the connecting shaft (27) extends out of the pull-away driver (1) and is fixedly connected to the movable arm (2). A base plate (28) is fixedly connected to the bottom surface of the pull-away driver (1). A limiting groove (30) is opened on the top surface of the base plate (28). The bottom of the worm gear (26) is located in the limiting groove (30). Several tooth grooves (29) are opened in the limiting groove (30). The tooth grooves (29) mesh with the worm gear (26).

5. The novel rib retractor with a light source according to claim 4, characterized in that: The pull-out driver (1) has a strip groove (4) on its side wall, and the connecting shaft (27) is slidably connected to the strip groove (4).

6. The novel rib retractor with a light source according to claim 1, characterized in that: The conversion assembly includes a connecting rod (16) detachably connected to the top surface of the retracting arm (9), and an adjustment knob (8) is fixedly connected to the top of the connecting rod (16). The adjustment knob (8) is rotatably connected to the top surface of the fixed arm (3).

7. The novel rib retractor with a light source according to claim 6, characterized in that: The inner bottom surface of the fixed arm (3) is fixedly connected to a second toothed disc (19), and a first toothed disc (18) is provided above the second toothed disc (19). The first toothed disc (18) is fixedly connected to the connecting rod (16). The connecting rod (16) passes through the center of the second toothed disc (19) and is rotatably connected to the second toothed disc (19). A spring (17) is sleeved on the outside of the connecting rod (16). One end of the spring (17) is fixedly connected to the inner top surface of the fixed arm (3), and the other end of the spring (17) is fixedly connected to the top surface of the first toothed disc (18).

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