Leg fixing device and surgical fixing instrument

Abstract

The utility model provides a leg fixing device and an operation fixing instrument.The leg fixing device comprises a foot support, a locking rope and a fixing mechanism, and the locking rope and the fixing mechanism are arranged on the foot support; the foot support is provided with an accommodating groove for accommodating legs of a patient; the locking rope is arranged on the two sides of the containing groove in a striding mode. The fixing mechanism comprises a first base and a fastener arranged on the first base, the fastener and the first base are configured to have a locking state and an unlocking state when different matching relations exist, in the locking state, the fastener tightens the locking rope so as to limit the legs of the patient in the containing groove, and in the unlocking state, the fastener tightens the locking rope so as to limit the legs of the patient in the containing groove. And in the unlocking state, the fastener loosens the locking rope to allow the legs of the patient to exit from the accommodating groove. According to the leg fixing device provided by the embodiment of the invention, the process of fixing the legs of the patient is simple and time-saving, and the locking rope is not easy to loosen, so that the fixing effect is favorably improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical equipment, in particular to a leg fixing device and a surgical fixing apparatus. BACKGROUND

[0002] A surgical fixing apparatus for fixing a leg of a patient receiving surgical treatment in a robot-assisted knee replacement surgery. In the surgery, the patient's leg needs to be fixed firmly and cannot be shaken or moved greatly. In a traditional knee replacement surgery, the surgeon uses bandages, gauze and other materials to bind the leg receiving treatment to the foot support of the surgical fixing apparatus. However, the fixing process is complex and time-consuming, and the fixing effect is not ideal. CONTENT OF THE UTILITY MODEL

[0003] The embodiments of the present application at least provide a leg fixing device and a surgical fixing apparatus to improve the problems of complex and time-consuming fixing process and unsatisfactory fixing effect of the existing surgical fixing apparatus.

[0004] In a first aspect, the embodiments of the present application provide a leg fixing device, comprising: a foot support and a locking rope and a fixing mechanism arranged on the foot support; wherein,

[0005] The foot support has an accommodating groove accommodating the patient's leg;

[0006] The locking rope is arranged across the two sides of the accommodating groove;

[0007] The fixing mechanism comprises a first base and a fastener arranged on the first base, the fastener and the first base are configured to have a locked state and an unlocked state when having different cooperation relationships, in the locked state, the fastener tightens the locking rope to restrict the patient's leg in the accommodating groove, in the unlocked state, the fastener loosens the locking rope to allow the patient's leg to enter and exit the accommodating groove.

[0008] In a first possible implementation, the fastener is rotationally fitted with the first base, and the fastener can rotate circumferentially relative to the first base to wind or loosen the locking rope.

[0009] In combination with the above possible implementation, in a second possible implementation, the leg fixing device further comprises a winding mechanism, the winding mechanism and the fixing mechanism are respectively located on the two sides of the accommodating groove, and the winding mechanism comprises a second base and a winding frame arranged on the second base.

[0010] The first end of the locking rope is connected with the fastener, and the second end of the locking rope is connected with the fastener by passing through the winding frame.

[0011] In a third possible implementation manner, the first base and the second base are installed on the foot support by buckling.

[0012] In a fourth possible implementation manner, a clamping groove is arranged on each of the first base and the second base, and a clamping buckle corresponding to the clamping groove is arranged on the foot support, and the clamping groove and the clamping buckle are configured to be buckled with each other to install the first base and the second base on the foot support.

[0013] In a fifth possible implementation manner, the installation direction of the first base and the installation direction of the second base are consistent with the opening direction of the accommodating groove.

[0014] In a sixth possible implementation manner, first and second stoppers are further arranged on the foot support, and the first and second stoppers are respectively located on two sides of the accommodating groove.

[0015] The first stopper is used to abut against one side of the first base close to the accommodating groove, and the second stopper is used to abut against one side of the second base close to the accommodating groove.

[0016] In a seventh possible implementation manner, the leg fixing device further comprises a flexible pad, the flexible pad is arranged on the locking rope, and in the locking state, the flexible pad is supported between the locking rope and the patient's leg.

[0017] In an eighth possible implementation manner, the flexible pad comprises first and second pads, the first and second pads are sequentially arranged along a direction from a first side to a second side of the accommodating groove, the first pad is connected with the first side of the accommodating groove, and the second pad is connected with the second side of the accommodating groove.

[0018] In a second aspect, the embodiments of the present application further provide a surgical fixing device, which comprises a knee joint support frame and a leg fixing device arranged on the knee joint support frame.

[0019] The above technical solutions of the present application have the following beneficial technical effects:

[0020] Compared with the prior art, the leg fixing device provided by the embodiments of the present application has the advantages of simple process, time saving, and less possibility of loosening the locking rope, thereby improving the fixing effect.

[0021] In order to make the above objectives, characteristics and advantages of the present application more obvious and easy to understand, the following preferred embodiments are specifically described below, and the accompanying drawings are described in detail as follows. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. The drawings herein are incorporated into the description and form a part of the description, which show the embodiments consistent with the present application, and are used to illustrate the technical solutions of the present application together with the description. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.

[0023] Figure 1 A structural schematic diagram of a leg fixing device provided by the embodiments of the present application is shown;

[0024] Figure 2 A use schematic diagram of the leg fixing device provided by the embodiments of the present application is shown;

[0025] Figure 3 An assembly schematic diagram of the leg fixing device provided by the embodiments of the present application is shown;

[0026] Figure 4 A structural schematic diagram of a fixing mechanism provided by the embodiments of the present application is shown;

[0027] Figure 5 A connection schematic diagram of a flexible gasket provided by the embodiments of the present application is shown;

[0028] Figure 6 A structural schematic diagram of a surgical fixing instrument provided by the embodiments of the present application is shown;

[0029] In the drawings, 1, knee joint support frame; 2, leg fixing device; 100, foot support; 110, accommodating groove; 101, first buckle; 101a, embedded part; 101b, second protrusion; 102, second buckle; 103, first stop block; 104, second stop block; 105, through hole; 200, locking rope; 310, first base; 311, first clamping groove; 311a, recessed groove; 311b, first protrusion; 312, fixing pin; 320, fastener; 410, second base; 411, second clamping groove; 420, winding frame; 421, winding groove; 422, baffle; 510, first gasket; 520, second gasket; 530, boss; 540, threading hole; 550, interface. DETAILED DESCRIPTION

[0030] In order to make the purposes, technical solutions and advantages of the present application clearer, the following further describes the present application with reference to the accompanying drawings.

[0031] It should be noted that, unless otherwise defined, technical terms or scientific terms used in one or more embodiments of the present application should be understood as their common meanings to those skilled in the art to which the present application pertains. The terms "first", "second" and similar terms used in one or more embodiments of the present application do not represent any order, number or importance, but are only used to distinguish different components. The terms "include", "contain" and similar terms mean that the components or objects listed before the terms cover the components or objects listed after the terms and their equivalents, and do not exclude other components or objects. The terms "connect" or "connected" and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms "upper", "lower", "left", "right" and the like are only used to represent relative positional relationships, and when the absolute positions of the described objects change, the relative positional relationships can also change accordingly.

[0032] Figure 1 A structural schematic diagram of a leg fixing device provided by an embodiment of the present application is shown.

[0033] With reference to Figure 1 The leg fixing device 2 provided by the embodiment of the present application includes a foot support 100, a locking rope 200 and a fixing mechanism arranged on the foot support 100. The foot support 100 has an accommodation groove 110 for accommodating a patient's leg. The locking rope 200 is arranged across two sides of the accommodation groove 110. The fixing mechanism includes a first base 310 and a fastener 320 arranged on the first base 310, wherein the first base 310 is detachably connected to the foot support 100, and the fastener 320 is located on a side of the first base 310 facing away from the foot support 100. The fastener 320 and the first base 310 are configured to have a locked state and an unlocked state when having different cooperation relationships. In the locked state, the fastener 320 tightens the locking rope 200 to restrict the patient's leg in the accommodation groove 110. In the unlocked state, the fastener 320 loosens the locking rope 200 to allow the patient's leg to enter or exit the accommodation groove 110. Compared with binding and fixing the patient's leg using a bandage, gauze or the like, the leg fixing device 2 provided by the embodiment of the present application has a simple process and saves time for fixing the patient's leg, and the locking rope 200 is not easy to loosen, thereby facilitating the improvement of the fixing effect.

[0034] With reference to Figure 2 In the embodiment of the present application, the foot support 100 includes a foot support area and a lower leg support area. In a specific implementation, the foot support area and the lower leg support area can both be provided with the locking rope 200 and the fixing mechanism, so as to respectively fix the patient's foot and lower leg.

[0035] In the embodiment of the present application, the depth of the accommodating groove 110 should satisfy that the patient's leg (the patient's foot and lower leg) can protrude from the accommodating groove 110, so that the locking rope 200 can realize the fixation of the patient's leg when being tightened.

[0036] In the embodiment of the present application, the fastener 320 and the first base 310 can be in a rotating fit relationship, and the fastener 320 can rotate circumferentially relative to the first base 310 to wind or loosen the locking rope 200. As shown, the fastener 320 is a knob, and the winding or loosening of the locking rope 200 is realized by rotating the knob. The process is simple and time-saving, and the locking rope 200 is not easy to loosen, which is beneficial to improve the fixation effect. Figure 1

[0037] In some optional embodiments, a rotating shaft is arranged on the first base 310, the rotating shaft is located on the side of the first base 310 away from the foot support 100, and the fastener 320 is sleeved on the rotating shaft and can rotate circumferentially relative to the first base 310. When the fastener 320 rotates in the clockwise direction, the locking rope 200 can be wound to tighten the locking rope 200, and when the fastener 320 rotates in the counterclockwise direction, the locking rope 200 can be loosened.

[0038] It should be understood that, in the embodiment of the present application, the fastener 320 and the first base 310 can also be in other fit relationships, such as a sliding fit relationship. For example, the fastener 320 is connected with one end of the locking rope 200, the fastener 320 is arranged on the first base 310 and can move relative to the first base 310, and when moving in the first direction, the fastener 320 can pull the locking rope 200 to tighten the locking rope 200. When moving in the second direction (the direction opposite to the first direction), the fastener 320 can loosen the locking rope 200.

[0039] For reference Figure 3 and Figure 4 ​In the embodiment of the present application, in order to improve the fixing effect, the leg fixing device 2 further comprises a winding mechanism, the winding mechanism and the fixing mechanism are located on two sides of the accommodating groove 110 respectively, and the winding mechanism comprises a second base 410 and a winding frame 420 arranged on the second base 410. Wherein, the second base 410 is connected and fixed with the foot support 100, and the winding frame 420 is located on the side of the second base 410 away from the foot support 100. In specific use, the first end of the locking rope 200 is connected with the fastener 320, and the second end of the locking rope 200 is connected with the fastener 320 by winding around the winding frame 420. Specifically, the winding mechanism divides the locking rope 200 into two strands, and the two strands of the locking rope 200 are used to fix the legs of the patient respectively, so that the fixing effect of the locking rope 200 can be improved. In addition, compared with using two fixing mechanisms to tighten two locking ropes 200 respectively, the number of fixing mechanisms used can be saved, thereby reducing the cost.

[0040] With reference to Figure 4 In some optional embodiments, in order to reduce the friction between the winding frame 420 and the locking rope 200 and improve the service life of the locking rope 200, the side of the winding frame 420 in contact with the locking rope 200 can be provided as a smooth arc surface. Wherein, the side of the winding frame 420 in contact with the locking rope 200 is the side of the winding frame 420 away from the accommodating groove 110.

[0041] With reference to Figure 4 In some optional embodiments, in order to prevent the locking rope 200 from slipping off the winding frame 420, a winding groove 421 can be arranged on the winding frame 420, and the winding groove 421 is used to accommodate the locking rope 200 to prevent the locking rope 200 from moving away from the second base 410. Further, in order to prevent the locking rope 200 from exiting the winding groove 421, the opening position of the winding groove 421 can also be provided with a baffle 422, which is used to limit the locking rope 200. In specific arrangement, the baffle 422 and the winding frame 420 can be an integral structure, that is, the baffle 422 and the winding frame 420 are integrally prepared.

[0042] In the embodiment of the present application, in order to facilitate disassembly and assembly of the foot fixing device, the first base 310 and the second base 410 can be respectively installed on the foot support 100 by means of buckling.

[0043] With reference to Figure 1 and Figure 3In some optional embodiments, the first base 310 and the second base 410 are each provided with a clamping groove, and the foot support 100 is provided with a buckle corresponding to the clamping groove, and the clamping groove and the buckle are configured to be capable of being buckled with each other to mount the first base 310 and the second base 410 on the foot support 100. For the convenience of description, the clamping groove located on the first base 310 is defined as a first clamping groove 311, the clamping groove located on the second base 410 is defined as a second clamping groove 411, the buckle corresponding to the first clamping groove 311 is defined as a first buckle 101, and the buckle corresponding to the second clamping groove 411 is defined as a second buckle 102. Specifically, when the first clamping groove 311 and the first buckle 101 are buckled, the first base 310 can be mounted on the foot support 100, and when the second clamping groove 411 and the second buckle 102 are buckled, the second base 410 can be mounted on the foot support 100. Hereinafter, the structure of the clamping groove and the buckle will be described by taking the first clamping groove 311 and the first buckle 101 as an example.

[0044] Referring to Figure 1 , Figure 3 and Figure 4 together, the first clamping groove 311 includes a recessed groove 311a formed on the side surface of the first base 310 and a first protrusion 311b provided on the inner wall of the recessed groove 311a, and the first buckle 101 includes an embedded part 101a matched with the recessed groove 311a and a second protrusion 101b provided on the surface of the embedded part 101a. In the mounted state, the embedded part 101a is embedded in the recessed groove 311a, and the first protrusion 311b and the second protrusion 101b limit each other to prevent the embedded part 101a from exiting the recessed groove 311a, that is, without external force, the first clamping groove 311 and the first buckle 101 can be prevented from being separated.

[0045] The embedded part 101a can be provided as an independent structural member on the foot support 100, or can be the side wall of the foot support 100 itself. In the embodiment of the present application, the embedded part is provided in the manner that the embedded part is the side wall of the foot support 100 itself. For example, the side wall of the foot support 100 is provided with a through hole 105, and the side wall of the foot support 100 located on one side of the through hole 105 forms the embedded part 101a. In the use process, the first clamping groove 311 is first sunk into the through hole 105, and then moved to the side of the embedded part 101a, so that the embedded part 101a is embedded in the recessed groove 311a, thereby realizing the buckle connection of the first base 310 and the foot support 100.

[0046] In some optional embodiments, in order to ensure the reliability of the connection, the mounting direction of the first base 310 and the mounting direction of the second base 410 are consistent with the opening direction of the accommodating groove 110. That is, the opening direction of the first clamping groove 311 and the opening direction of the second clamping groove 411 are consistent with the opening direction of the accommodating groove 110. During the process of tightening the locking rope 200, the locking rope 200 will exert a pulling force on the first base 310 and the second base 410, so that the first base 310 and the second base 410 have a tendency to move towards the opening direction of the accommodating groove 110, thereby preventing the clamping groove and the clamping buckle from being separated when the locking rope 200 is tightened, and facilitating to ensure the reliability of the connection.

[0047] Reference Figure 3 In some optional embodiments, in order to further improve the reliability of the connection, the foot support 100 is further provided with a first stop block 103 and a second stop block 104, and the first stop block 103 and the second stop block 104 are respectively located on both sides of the accommodating groove 110. Among them, the first stop block 103 is used for abutting against one side of the first base 310 close to the accommodating groove 110, and the second stop block 104 is used for abutting against one side of the second base 410 close to the accommodating groove 110. During the process of winding the locking rope 200, the first stop block 103 and the second stop block 104 can support the first base 310 and the second base 410 respectively, so as to avoid stress concentration at the position of the clamping groove and the clamping buckle, thereby preventing the clamping groove and the clamping buckle from being broken or torn, and affecting the reliability of the connection.

[0048] It should be noted that the connection mode of the first base 310 and the second base 410 with the foot support 100 can also be set according to actual requirements, and is not limited to the mode discussed above. For example, the first base 310 and the second base 410 can also be connected with the foot support 100 in a manner of welding connection, adhesive connection, threaded connection, etc.

[0049] In the embodiment of the present application, the leg fixing device 2 further comprises a flexible pad, the flexible pad is arranged on the locking rope 200, and in the locked state, the flexible pad is supported between the locking rope 200 and the leg of the patient. The flexible pad can disperse the pressure of the locking rope 200 on the leg of the patient, and can also play a buffering role on the force, thereby avoiding the locking rope 200 from causing skin injury to the leg of the patient in the locked state.

[0050] In some optional embodiments, in order to achieve the buffering effect, the flexible pad can be made of silica gel or rubber. In the embodiment of the present application, the flexible pad made of silica gel is preferred.

[0051] Reference Figure 1 and Figure 4In some optional embodiments, in order to facilitate the threading of the locking rope 200, the side of the flexible pad facing away from the patient's leg is provided with a boss 530, and the boss 530 is provided with a threading hole 540, and the flexible pad can be threaded on the locking rope 200 through the threading hole 540. In a specific arrangement, the boss 530 with the threading hole 540 can be integrally formed with the flexible pad, that is, the boss 530 and the flexible pad can be integrally injection molded.

[0052] In some optional embodiments, the number of flexible pads can be one or more. As shown in Figure 1 and Figure 4 , the embodiments of the present application show that the number of flexible pads is two, and the two flexible pads are defined as a first pad 510 and a second pad 520, wherein the first pad 510 and the second pad 520 are sequentially arranged along the direction from the first side to the second side of the accommodating groove 110.

[0053] Further, in order to avoid the first pad 510 and the second pad 520 from moving with the locking rope 200 during the winding or loosening of the locking rope 200, the first pad 510 is connected to the first side of the accommodating groove 110, and the second pad 520 is connected to the second side of the accommodating groove 110. As shown in Figure 5 , for example, in a specific arrangement, the first pad 510 and the second pad 520 are each provided with an interface 550, and the first base 310 and the second base 410 are each provided with a fixing pin 312, and when connected, the first pad 510 and the second pad 520 are respectively sleeved on the corresponding fixing pin 312 through the respective interface 550 to achieve connection and fixation. During the tightening or loosening of the locking rope 200, since the first pad 510 and the second pad 520 are respectively connected to the first base 310 and the second base 410, the locking rope 200 will not move the first pad 510 and the second pad 520, thereby affecting the protection effect.

[0054] Further, in order to facilitate wearing, the first pad 510 and the second pad 520 are arranged to be able to stretch the free end in the direction away from the accommodating groove 110 in the unlocked state. For example, the first pad 510 and the second pad 520 are respectively erected on both sides of the accommodating groove 110, and under the action of the locking rope 200, the free end of the first pad 510 and the second pad 520 is inwardly retracted to form an arch shape, when the locking rope 200 is tightened, the free end of the first pad 510 and the second pad 520 will be retracted to one side of the patient's leg, and when the locking rope 200 is loosened, the free end of the second pad 520 and the second pad 520 will stretch in the direction away from the accommodating groove 110 under the action of its own elasticity, thereby facilitating the patient's leg to enter and exit the accommodating groove 110.

[0055] Figure 6A structural schematic diagram of a surgical fixing device is shown.

[0056] Reference Figure 6 The embodiment of the present application further provides a surgical fixing device, which comprises a knee joint support frame 1 and a leg fixing device 2 arranged on the knee joint support frame 1. Compared with the bandaging of the patient's leg by using a bandage, gauze or the like, the process of fixing the patient's leg by using the leg fixing device 2 is simple, time-saving and unlikely to cause the locking rope 200 to be loosened, thereby being beneficial to improving the fixing effect.

[0057] One or more embodiments of the present specification are intended to cover all such alternatives, modifications and variations falling within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement and the like made in the spirit and principle of one or more embodiments of the present specification should be included in the protection scope of the present application.

[0058] The above is merely a specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A leg immobilization device, characterized in that, The leg fixing device comprises: a foot support, and a locking rope and a fixing mechanism arranged on the foot support; wherein, the foot support has a containing groove for accommodating a patient's leg; the locking rope is arranged across two sides of the containing groove; the fixing mechanism comprises a first base and a fastener arranged on the first base, the fastener has a locked state and an unlocked state, in the locked state, the fastener tightens the locking rope to restrict the patient's leg in the containing groove, in the unlocked state, the fastener loosens the locking rope to allow the patient's leg to enter or exit the containing groove.

2. The leg securement device of claim 1, wherein, the fastener is rotationally connected with the first base, the fastener can rotate circumferentially relative to the first base to wind or loosen the locking rope.

3. The leg securement device of claim 1, wherein, The leg fixing device further comprises a winding mechanism, the winding mechanism and the fixing mechanism are respectively arranged on two sides of the containing groove, the winding mechanism comprises a second base and a winding rack arranged on the second base; a first end of the locking rope is connected with the fastener, a second end of the locking rope is connected with the fastener by passing through the winding rack.

4. The leg securement device of claim 3, wherein, The first base and the second base are respectively installed on the foot support by means of buckling.

5. The leg securement device of claim 4, wherein, The first base and the second base are respectively provided with a clamping groove, the foot support is provided with a buckle corresponding to the clamping groove, the clamping groove and the buckle are configured to be buckled with each other to install the first base and the second base on the foot support.

6. The leg securement device of claim 5, wherein, The installation direction of the first base and the installation direction of the second base are consistent with the opening direction of the containing groove.

7. The leg securement device of claim 6, wherein, The foot support is further provided with a first stopper and a second stopper, the first stopper and the second stopper are respectively arranged on two sides of the containing groove; wherein, the first stopper is used for abutting against a side of the first base close to the containing groove, and the second stopper is used for abutting against a side of the second base close to the containing groove.

8. The leg securement device of claim 1, wherein, The leg fixing device further comprises a flexible gasket, the flexible gasket is arranged on the locking rope, in the locked state, the flexible gasket is supported between the locking rope and the patient's leg.

9. The leg securement device of claim 8, wherein, The flexible gasket comprises a first gasket and a second gasket, the first gasket and the second gasket are sequentially arranged along a direction from a first side to a second side of the containing groove, the first gasket is connected with the first side of the containing groove, and the second gasket is connected with the second side of the containing groove.

10. A surgical fixation device comprising: The knee joint support frame is further provided with the leg fixing device as claimed in any one of claims 1-9.

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