Auxiliary traction device

Abstract

This application relates to the field of medical device technology, and in particular to an auxiliary traction device, including a support frame, a support assembly, a pulley assembly, a traction assembly, and a counterweight assembly. The support assembly supports the patient's upper arm; the traction assembly fixes the forearm; the counterweight assembly includes a counterweight box, a traction rope, a suspension plate, a counterweight block, a mounting frame, and a connecting member; the two ends of the traction rope are connected to the traction assembly and the suspension plate respectively via the pulley assembly; the mounting frame is fixed to the support frame, the counterweight box is fixed to the mounting frame, and has a first through hole and a second through hole; the counterweight block has a first connecting hole, the mounting frame has a second connecting hole, and the connecting member is detachably inserted into the aforementioned holes. The auxiliary traction device provided by this application allows for adjustment of the number of counterweight blocks on the suspension plate according to actual needs, thus enabling rapid adjustment of the traction weight on the patient's arm, significantly improving the speed at which medical personnel can adjust the traction weight on the patient's arm.

Description

Technical Field

[0001] This application relates to the field of medical device technology, and in particular to an auxiliary traction device. Background Technology

[0002] Currently, orthopedic traction refers to the use of the principle of action and reaction forces to counteract the tension and retraction of soft tissues, thereby reducing fractures and dislocations and preventing and correcting deformities. Common orthopedic traction techniques include upper limb traction (also known as Dunlop traction), which is mostly used for humeral fractures. Specifically, skeletal traction is applied to the distal end of the upper arm for proximal or midshaft humeral fractures; 90-degree skin traction of the forearm is used for supracondylar fractures of the humerus or fractures around the elbow joint. However, the current traction devices do not have adjustable weights, which cannot meet different traction needs. Utility Model Content

[0003] The purpose of this application is to provide an auxiliary traction device that, to a certain extent, solves the technical problem that the counterweight of existing upper limb traction devices is not adjustable and cannot meet different traction needs.

[0004] This application provides an auxiliary traction device, comprising: a support frame and a support assembly, a pulley assembly, a traction assembly, and a counterweight assembly disposed on the support frame; wherein, the support assembly is used to support the patient's upper arm; the traction assembly is used to fix the patient's forearm; the counterweight assembly includes a counterweight box, a traction rope, a suspension plate, counterweight blocks, a mounting bracket, and a plug-in component; wherein, the counterweight box has a hollow interior and an open bottom, the suspension plate is disposed at the bottom opening of the counterweight box and is movable in the vertical direction; the number of counterweight blocks is multiple, and they are sequentially disposed in the counterweight box from top to bottom in the vertical direction, and at least some of the counterweight blocks are stacked on the suspension plate;

[0005] The two ends of the traction rope are connected to the traction component and the hanging plate respectively via the pulley assembly, and the counterweight box has a clearance through hole, and the traction rope is movably inserted into the clearance through hole in the vertical direction; the mounting frame is fixed to one side of the support frame, the counterweight box is fixed to one side of the mounting frame, and the counterweight box has a plurality of first through holes arranged sequentially in the vertical direction and communicating with its interior;

[0006] Each of the aforementioned counterweights has a first insertion hole, the mounting bracket has a plurality of second insertion holes arranged sequentially along the vertical direction, and the counterweight box has a plurality of second through holes arranged sequentially along the vertical direction. The plurality of first through holes, the plurality of first insertion holes, the plurality of second through holes, and the plurality of second insertion holes correspond one-to-one. The insertion component is detachably inserted into one of the sets of first through holes, first insertion holes, second through holes, and second insertion holes to fix the counterweight that cooperates with the insertion component and to space it at a predetermined distance from the counterweight below.

[0007] In the above technical solution, the plug-in component further includes a gripping part, a connecting plate, and a plug-in part connected in sequence; wherein the gripping part and the connecting plate are both disposed outside the counterweight box, and the connecting plate abuts against the outer wall of the counterweight box; the plug-in part is inserted into the first through hole, the first plug-in hole, the second through hole, and the second plug-in hole in sequence.

[0008] In any of the above technical solutions, the traction assembly further includes a U-shaped frame, a retaining ring, and a gripping rod; wherein the U-shaped frame is arranged vertically and the opening of the U-shaped frame faces downward; the retaining ring is disposed inside the U-shaped frame and the central hole of the retaining ring is arranged vertically; an clearance opening is formed on the side of the retaining ring; the gripping rod is disposed inside the U-shaped frame and located above the retaining ring.

[0009] In any of the above technical solutions, the traction component further includes a strap, and the strap is disposed on the U-shaped frame.

[0010] In any of the above technical solutions, the U-shaped frame is further provided with an oblong hole arranged in the vertical direction, and the traction assembly also includes a limiting bolt. The head of the limiting bolt is located outside the oblong hole, and the screw portion of the limiting bolt passes through the oblong hole and is threadedly connected to the end of the gripping rod. The screw portion of the limiting bolt can move along the oblong hole.

[0011] In any of the above technical solutions, the support component further includes a support plate and a flexible pad; wherein one end of the support plate is connected to the support frame, and the flexible pad is disposed on the upper surface of the support plate.

[0012] In any of the above technical solutions, the support frame further includes a base, a support rod, and rollers; wherein the support rod is disposed on the upper surface of the base; and the rollers are disposed on the lower surface of the base.

[0013] In any of the above technical solutions, the support rod is further described as a telescopic rod.

[0014] In any of the above technical solutions, the roller further includes a braking structure.

[0015] In any of the above technical solutions, the pulley assembly further includes two mounting plates and two pulleys; wherein the two mounting plates are respectively disposed on opposite sides of the support frame, the two pulleys are disposed between the two mounting plates and are rotatably connected to the two mounting plates respectively, and the traction rope passes around the two pulleys in sequence.

[0016] In any of the above technical solutions, the second insertion hole is further formed at the bottom of the counterweight and extends through the bottom and opposite sides of the counterweight.

[0017] Compared with the prior art, the beneficial effects of this application are as follows:

[0018] The auxiliary traction device provided in this application allows for adjustment of the number of counterweights on the suspension plate according to actual needs. Therefore, the traction weight of the patient's arm can be quickly adjusted, greatly improving the speed at which medical staff can adjust the traction weight of the patient's arm. It can be seen that the auxiliary traction device provided in this embodiment has a wider range of applications. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the specific embodiments of this application or the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the auxiliary traction device provided in the embodiments of this application;

[0021] Figure 2 A cross-sectional schematic diagram of the counterweight component provided in an embodiment of this application;

[0022] Figure 3 A schematic diagram illustrating the insertion of the plug-in component and the counterweight block provided in an embodiment of this application;

[0023] Figure 4 This is a schematic diagram of the structure of the traction assembly provided in the embodiments of this application;

[0024] Figure 5 This is a schematic diagram of the support frame provided in an embodiment of this application.

[0025] Figure label:

[0026] 1-Support frame, 11-Base, 12-Support rod, 121-Pipe fitting, 122-Rod, 13-Roller, 2-Support assembly, 21-Support plate, 22-Flexible pad, 3-Pulley assembly, 31-Mounting plate, 32-Pulley, 4-Traction assembly, 41-U-shaped frame, 411-Oblique hole, 412-Mounting protrusion, 42-Clutch, 43-Holding rod, 44-Strap, 441-Mounting tube Hole, 45-Limit bolt, 5-Counterweight assembly, 51-Counterweight box, 511-First through hole, 512-Second through hole, 52-Traction rope, 53-Hanging plate, 54-Counterweight block, 541-First insertion hole, 55-Mounting bracket, 551-Second insertion hole, 552-Mounting plate, 553-U-shaped handle, 56-Insertion component, 561-Grip part, 562-Connecting plate, 563-Insertion part. Detailed Implementation

[0027] The technical solutions of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this application, but not all embodiments.

[0028] The components of the embodiments of this application described and shown in the accompanying drawings can be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of this application provided in the drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application.

[0029] Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0030] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0031] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0032] The following reference Figures 1 to 5 This application describes an auxiliary traction device according to some embodiments.

[0033] See Figures 1 to 3 As shown, an embodiment of this application provides an auxiliary traction device, including: a support frame 1 and a support component 2, a pulley assembly 3, a traction component 4, and a counterweight assembly 5 disposed on the support frame 1; wherein, the support component 2 is used to support the patient's upper arm; the traction component 4 is used to fix the patient's forearm; the counterweight assembly 5 includes a counterweight box 51, a traction rope 52, a hanging plate 53, counterweight blocks 54, a mounting frame 55, and a plug-in component 56; wherein, the counterweight box 51 has a hollow interior and an open bottom structure, the hanging plate 53 is disposed at the bottom opening of the counterweight box 51 and can move along the vertical direction; the number of counterweight blocks 54 is multiple, and they are arranged sequentially from top to bottom in the counterweight box 51 along the vertical direction, and at least some of the counterweight blocks 54 are stacked on the hanging plate 53;

[0034] The two ends of the traction rope 52 are connected to the traction component 4 and the hanging plate 53 respectively via the pulley assembly 3, and the counterweight box 51 has a clearance through hole, and the traction rope 52 is movably inserted into the clearance through hole in the vertical direction; the mounting frame 55 is fixed to one side of the support frame 1, the counterweight box 51 is fixed to one side of the mounting frame 55, and the counterweight box 51 has a plurality of first through holes 511 arranged sequentially in the vertical direction and connected to its interior;

[0035] Each counterweight 54 has a first insertion hole 541, the mounting bracket 55 has a plurality of second insertion holes 551 arranged sequentially along the vertical direction, and the counterweight box 51 has a plurality of second through holes 512 arranged sequentially along the vertical direction. The plurality of first through holes 511, the plurality of first insertion holes 541, the plurality of second through holes 512 and the plurality of second insertion holes 551 correspond one-to-one. The insertion member 56 is detachably inserted into one of the sets of first through holes 511, first insertion holes 541, second through holes 512 and second insertion holes 551 to fix the counterweight 54 that cooperates with the insertion member 56 and to make it spaced at a predetermined distance from the counterweight 54 below.

[0036] In this embodiment, the number of counterweights 54 can be adjusted according to actual needs during use of the auxiliary traction device. The specific operation is as follows: the plug-in component 56 can be inserted into a set of first through holes 511, first plug-in holes 541, second through holes 512 and second plug-in holes 551 at different heights, thereby separating the counterweights 54 of this set from the counterweights 54 below. In this way, the actual counterweight is the counterweights 54 below, that is, the counterweights 54 stacked on the hanging plate 53. The number of counterweights 54 on the hanging plate 53 can be adjusted according to actual needs. Therefore, the traction weight of the patient's arm can be quickly adjusted, which greatly improves the speed of medical staff in adjusting the traction weight of the patient's arm. It can be seen that the auxiliary traction device provided in this embodiment has a wider range of applications.

[0037] In one embodiment of this application, preferably, as shown below, Figure 2 and Figure 3 As shown, the plug-in component 56 includes a gripping part 561, a connecting plate 562, and a plug-in part 563 connected in sequence; wherein, the gripping part 561 and the connecting plate 562 are both disposed on the outside of the counterweight box 51, and the connecting plate 562 abuts against the outer wall of the counterweight box 51; the plug-in part 563 is inserted into the first through hole 511, the first plug-in hole 541, the second through hole 512, and the second plug-in hole 551 in sequence.

[0038] In this embodiment, the grip portion 561 is easy for the operator to hold, thereby facilitating the adjustment of the height position of the plug-in member 56; the connecting plate 562 serves to connect the grip portion 561 and the plug-in portion 563, and also serves to limit the position, ensuring that the grip portion 561 is always located outside the counterweight box 51; the plug-in portion 563 can be sequentially inserted into the first through hole 511, the first plug-in hole 541, the second through hole 512, and the second plug-in hole 551, thereby fixing the counterweight block 54 that it cooperates with.

[0039] Furthermore, preferably, the gripping part 561, the connecting plate 562, and the plug-in part 563 are an integral structure.

[0040] In one embodiment of this application, preferably, as shown below, Figure 4 As shown, the traction assembly 4 includes a U-shaped frame 41, a retaining ring 42, and a gripping rod 43; wherein, the U-shaped frame 41 is arranged vertically and the opening of the U-shaped frame 41 is downward; the retaining ring 42 is disposed inside the U-shaped frame 41, and the center hole of the retaining ring 42 is arranged vertically; an avoidance opening is formed on the side of the retaining ring 42; the gripping rod 43 is disposed inside the U-shaped frame 41 and is located above the retaining ring 42.

[0041] In this embodiment, the internal space of the U-shaped frame 41 can be used to install the clasp 42 and the grip bar 43, and can also accommodate the patient's forearm and upper arm; the clasp 42 serves to fix the forearm and avoids the opening so that the patient can place the forearm inside the clasp 42; the grip bar 43 is convenient for the patient's hand to hold.

[0042] In one embodiment of this application, preferably, as shown below, Figure 4 As shown, the traction assembly 4 also includes a strap 44, which is disposed on the U-shaped frame 41.

[0043] In this embodiment, the strap 44 can fix the patient's forearm.

[0044] Furthermore, preferably, there are two straps 44, which are respectively arranged on opposite sides of the U-shaped frame 41, and each strap 44 has multiple mounting through holes 441. The structure of the U-shaped frame 41 located between the two straps 44 is provided with a mounting protrusion 412, which is detachably inserted into one of the mounting through holes 441.

[0045] In one embodiment of this application, preferably, as shown below, Figure 4 As shown, the U-shaped frame 41 has an oblong hole 411 arranged along the vertical direction. The traction assembly 4 also includes a limiting bolt 45. The head of the limiting bolt 45 is located outside the oblong hole 411. The screw portion of the limiting bolt 45 passes through the oblong hole 411 and is threadedly connected to the end of the gripping rod 43. The screw portion of the limiting bolt 45 can move along the oblong hole 411.

[0046] In this embodiment, by adjusting the position of the limiting bolt 45 in the waist-shaped hole 411, the height position of the grip rod 43 can be adjusted accordingly to meet the gripping requirements of different heights, that is, it is suitable for forearms of different lengths and has a wider range of applications.

[0047] In one embodiment of this application, preferably, as shown below, Figure 5 As shown, the support assembly 2 includes a support plate 21 and a flexible pad 22; wherein, one end of the support plate 21 is connected to the support frame 1, and the flexible pad 22 is disposed on the upper surface of the support plate 21.

[0048] In this embodiment, the support plate 21 supports the patient's upper arm, and the flexible pad 22 protects the patient's upper arm, making the patient more comfortable.

[0049] In one embodiment of this application, preferably, as shown below, Figure 5 As shown, the support frame 1 includes a base 11, a support rod 12, and a roller 13; wherein the support rod 12 is disposed on the upper surface of the base 11; and the roller 13 is disposed on the lower surface of the base 11.

[0050] In this embodiment, the rollers 13 can drive the entire device to move, making it easy to move to different locations and avoiding lifting operations, thus saving time and effort. Of course, it is not limited to this and the rollers 13 may not be provided.

[0051] Further, preferably, such as Figure 5 As shown, the roller 13 has a braking structure. When it moves to a preset position, the roller 13 can be braked to stop, preventing the device from moving.

[0052] In one embodiment of this application, preferably, as shown below, Figure 5 As shown, the support rod 12 is a telescopic rod 122, which facilitates the adjustment of the height of the support assembly 2 according to the height of the patient's arm.

[0053] Further, preferably, the support rod 12 includes a pipe 121, a rod 122, and a clamping member; wherein, the rod 122 is disposed inside the pipe 121 and can move in the vertical direction, and the support assembly 2, the traction assembly 4, and the counterweight assembly 5 are all disposed on the rod 122; a part of the clamping member passes through the through hole of the pipe 121 and is threadedly engaged with the through hole, and the end of the clamping member is used to clamp the rod 122, that is, when the height position of the rod 122 is adjusted, it remains stationary, and when the height of the rod 122 needs to be adjusted again, the clamping member can be loosened to release the restriction on the rod 122, thereby adjusting the height of the rod 122, and the clamping member is tightened again after the adjustment is completed.

[0054] In one embodiment of this application, preferably, as shown below, Figure 1 and Figure 5 As shown, the pulley assembly 3 includes two mounting plates 31 and two pulleys 32; wherein, the two mounting plates 31 are respectively disposed on opposite sides of the support frame 1, and the two pulleys 32 are disposed between the two mounting plates 31 and are rotatably connected to the two mounting plates 31 respectively, and the traction rope 52 passes through the two pulleys 32 in sequence.

[0055] In this embodiment, the two pulleys 32 form a pulley group 32, which can save effort and change the direction of the force.

[0056] In one embodiment of this application, preferably, as shown below, Figure 3 As shown, the second insertion hole 551 is formed at the bottom of the counterweight 54 and extends through the bottom of the counterweight 54 and the opposite sides, making it easier for the insertion member 56 to be inserted. Of course, it is not limited to this, and the second insertion hole 551 can also be opened in other positions.

[0057] In one embodiment of this application, preferably, as shown below, Figure 2As shown, the mounting bracket 55 includes a mounting plate 552 and a U-shaped handle 553 connected to each other. The mounting plate 552 is located on one side of the counterweight box 51 and the two are connected. The U-shaped handle 553 is located on the side of the mounting plate 552 away from the counterweight box 51 and is connected to the support frame 1. The mounting plate 552 has the aforementioned second insertion hole 551.

[0058] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. An auxiliary traction device, characterized in that, include: A support frame and a support assembly, pulley assembly, traction assembly, and counterweight assembly disposed on the support frame; wherein, the support assembly is used to support the patient's upper arm; the traction assembly is used to fix the patient's forearm; the counterweight assembly includes a counterweight box, traction rope, suspension plate, counterweight blocks, mounting bracket, and plug-in components; wherein, the counterweight box has a hollow interior and an open bottom, the suspension plate is disposed at the bottom opening of the counterweight box and can move vertically; the number of counterweight blocks is multiple, and they are arranged sequentially from top to bottom in the counterweight box along the vertical direction, and at least some of the counterweight blocks are stacked on the suspension plate; The two ends of the traction rope are connected to the traction component and the hanging plate respectively via the pulley assembly, and the counterweight box has a clearance through hole, and the traction rope is movably inserted into the clearance through hole in the vertical direction; the mounting frame is fixed to one side of the support frame, the counterweight box is fixed to one side of the mounting frame, and the counterweight box has a plurality of first through holes arranged sequentially in the vertical direction and communicating with its interior; Each of the aforementioned counterweights has a first insertion hole, the mounting bracket has a plurality of second insertion holes arranged sequentially along the vertical direction, and the counterweight box has a plurality of second through holes arranged sequentially along the vertical direction. The plurality of first through holes, the plurality of first insertion holes, the plurality of second through holes, and the plurality of second insertion holes correspond one-to-one. The insertion component is detachably inserted into one of the sets of first through holes, first insertion holes, second through holes, and second insertion holes to fix the counterweight that cooperates with the insertion component and to space it at a predetermined distance from the counterweight below.

2. The auxiliary traction device according to claim 1, characterized in that, The plug-in component includes a gripping part, a connecting plate, and a plug-in part connected in sequence; wherein, the gripping part and the connecting plate are both disposed outside the counterweight box, and the connecting plate abuts against the outer wall of the counterweight box; the plug-in part is inserted into the first through hole, the first plug-in hole, the second through hole, and the second plug-in hole in sequence.

3. The auxiliary traction device according to claim 1, characterized in that, The traction assembly includes a U-shaped frame, a retaining ring, and a gripping rod; wherein, the U-shaped frame is arranged vertically and the opening of the U-shaped frame faces downward; the retaining ring is disposed inside the U-shaped frame and the central hole of the retaining ring is arranged vertically; the side of the retaining ring has an clearance opening; the gripping rod is disposed inside the U-shaped frame and is located above the retaining ring.

4. The auxiliary traction device according to claim 3, characterized in that, The traction assembly also includes a strap, and the strap is disposed on the U-shaped frame.

5. The auxiliary traction device according to claim 3, characterized in that, The U-shaped frame has an oblong hole arranged in the vertical direction. The traction assembly also includes a limiting bolt. The head of the limiting bolt is located outside the oblong hole. The threaded part of the limiting bolt passes through the oblong hole and is threadedly connected to the end of the gripping rod. The threaded part of the limiting bolt can move along the oblong hole.

6. The auxiliary traction device according to claim 1, characterized in that, The support assembly includes a support plate and a flexible pad; wherein one end of the support plate is connected to the support frame, and the flexible pad is disposed on the upper surface of the support plate.

7. The auxiliary traction device according to claim 1, characterized in that, The support frame includes a base, a support rod, and rollers; wherein the support rod is disposed on the upper surface of the base; and the rollers are disposed on the lower surface of the base.

8. The auxiliary traction device according to claim 7, characterized in that, The support rod is a telescopic rod; and / or The roller has a braking structure.

9. The auxiliary traction device according to claim 1, characterized in that, The pulley assembly includes two mounting plates and two pulleys; wherein, the two mounting plates are respectively disposed on opposite sides of the support frame, and the two pulleys are disposed between the two mounting plates and are rotatably connected to the two mounting plates respectively, and the traction rope passes through the two pulleys in sequence.

10. The auxiliary traction device according to any one of claims 1 to 9, characterized in that, The second insertion hole is formed at the bottom of the counterweight and extends through the bottom and opposite sides of the counterweight.

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