Limb fixing device

Abstract

The utility model relates to the technical field of medical instruments, and discloses a limb fixing device which comprises a first fixing unit and an adjusting unit, the adjusting unit is arranged, so that the height of one end of the first fixing unit relative to the other end of the first fixing unit is adjusted according to the requirements of a patient; the height of one side of the limb of the patient relative to the other side of the limb of the patient is adjusted under the condition that the relative positions of the limbs at the two ends of the joint of the patient are not changed, so that the position of the limb of the patient is adjusted, numbness of the limb of the patient caused by too long infusion time is avoided, and the technical effect of improving the comfort of the patient is achieved.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically to a limb fixation device. Background Technology

[0002] During hemodialysis treatment, patients need to have their limbs immobilized, such as by fixing the relative positions of the upper and lower arms at the elbow joint to prevent vascular swelling caused by relative movement between the upper and lower arms, which could prevent dialysis. However, in practice, because hemodialysis treatments are typically lengthy, around four hours, existing limb immobilization devices can cause numbness and discomfort in patients due to prolonged immobilization. Utility Model Content

[0003] In view of this, the present invention provides a limb fixation device to solve the problem that existing limb fixation devices easily cause numbness in patients, resulting in discomfort.

[0004] This utility model provides a limb fixation device for fixing a patient's limb, the limb fixation device comprising:

[0005] The first fixation unit is used to fix the relative position of the limbs located at both ends of the patient's joint;

[0006] An adjustment unit is connected to one end of the first fixing unit, and the adjustment unit is used to adjust the height of one end of the first fixing unit relative to the other end of the first fixing unit.

[0007] Beneficial effects: By setting an adjustment unit, the height of one end of the first fixing unit relative to the other end of the first fixing unit can be adjusted according to the patient's needs. This allows for adjustment of the height of one side of the patient's limb relative to the other side of the patient's limb while keeping the relative position between the two ends of the patient's joint unchanged. This helps to adjust the position of the patient's limb and avoid numbness caused by prolonged infusion time, thereby improving the patient's comfort.

[0008] In one optional implementation, the adjustment unit includes:

[0009] An adjustable structure is connected to one end of the first fixing unit, and the angle between the adjustable structure and the first fixing unit is adjustable.

[0010] A fixed structure is provided, with one end connected to the adjusting structure and the other end connected to one end of the first fixed unit, for fixing the relative position between the adjusting structure and the first fixed unit.

[0011] Beneficial effects: By setting a fixed structure, the relative position between the adjustment structure and the first fixed unit can be fixed, thereby improving the stability of the angle between the adjustment structure and the first fixed unit, and improving the stability of the height of one end of the first fixed unit relative to the height of the other end of the first fixed unit, thereby achieving the stability of raising the patient's hand and thus improving the technical effect of improving the reliability of the limb fixation device.

[0012] In one optional embodiment, the adjustment structure is hinged to one end of the first fixing unit to enable the angle between the adjustment structure and the first fixing unit to be adjustable.

[0013] And / or, the fixing structure includes:

[0014] The first fixing part has one end connected to the first fixing unit, the other end of the first fixing part is provided with a first mounting cavity, and the side of the first fixing part is provided with a first connecting hole.

[0015] The second fixing part has one end placed in the first mounting cavity so that the second fixing part and the first fixing part are slidably connected. The other end of the second fixing part is connected to the adjustment structure. Along the length of the limb, the side of the second fixing part is provided with a plurality of second connecting holes at intervals. One of the plurality of second connecting holes coincides with the first connecting hole.

[0016] A connecting portion passes through the first connecting hole and the second connecting hole, and the connecting portion is used to fix the relative position between the first fixing portion and the second fixing portion.

[0017] Beneficial effects: By limiting the hinge connection between the adjustment structure and the first fixed unit at one end, the angle between the adjustment structure and the first fixed unit can be adjusted specifically, avoiding displacement in other directions between the adjustment structure and the first fixed unit, thereby achieving the technical effect of improving the reliability of angle adjustment between the adjustment structure and the first fixed unit.

[0018] By sliding the second fixing part along the first fixing part, the length of the second fixing part placed in the first mounting cavity can be adjusted, and the relative position between the first fixing part and the second fixing part can be fixed by the connecting part, so as to realize the angle adjustment and fixation between the second support part and the adjustment structure, thereby realizing the adjustment of the height of one side of the patient's limb relative to the other side of the patient's limb, avoiding the occurrence of numbness in the patient's limb, and thus achieving the technical effect of improving the comfort of the patient's hemodialysis treatment.

[0019] In one optional implementation, the first fixing unit includes:

[0020] A support structure for supporting a patient's limb, wherein the extension direction of the support structure is parallel to the length direction of the patient's limb;

[0021] A connecting structure is provided along an extension direction perpendicular to the support structure, and both ends of the connecting structure are respectively connected to the support structure. The connecting structure is used to fix the patient's limb to the support structure.

[0022] Beneficial effects: By placing the patient's limb on the supporting structure and fixing the limb to the supporting structure through the connecting structure, the relative position between the two ends of the patient's joint is fixed, thereby achieving the technical effect of improving the stability of the connection between the patient's limb and the supporting structure.

[0023] In one optional implementation, the connection structure is a constraint band;

[0024] And / or, along an extension direction parallel to the support structure, a plurality of connecting structures are provided, and adjacent connecting structures are spaced apart;

[0025] And / or, the support structure includes:

[0026] The first support part has a second mounting cavity at one end;

[0027] The second support part is connected at one end to the adjustment unit, and the other end of the second support part is placed in the second mounting cavity so that the second support part is slidably connected to the first support part.

[0028] Beneficial effects: By using a restraint strap as the limiting connection structure, the restraint strap can fix the patient without applying pressure or tightness, thus avoiding hematoma and improving the protection of the patient.

[0029] Multiple connecting structures are provided along the extension direction parallel to the supporting structure, with adjacent connecting structures spaced apart. In this case, the number of connecting structures can be equal to the sum of the corresponding number of first and second mounting holes, as well as the corresponding number of third and fourth mounting holes; that is, the number of connecting structures equals the sum of the number of first and third mounting holes. Based on this, the number of connection points between the limb fixation device and the patient's limb can be increased, thereby achieving the technical effect of improving the connection stability between the limb fixation device and the patient's limb.

[0030] By sliding the second support part with the first support part, the length of the second support part placed in the second mounting cavity can be adjusted, thereby adjusting the length formed by the first support part and the second support part. This allows the length of the support structure to be adjusted according to the limb length requirements at both ends of the patient's joint, thereby improving the adaptability of the limb fixation device to the limb lengths at both ends of different patients' joints and enhancing the support effect on the patient's limb.

[0031] In one optional embodiment, along the extension direction perpendicular to the support structure, the first fixing part is provided with a first mounting hole and a second mounting hole at intervals for the connection structure to pass through and fix, so as to fix the patient's limb to the fixing structure.

[0032] And / or, along the extension direction perpendicular to the support structure, the second fixing part is provided with a third mounting hole and a fourth mounting hole at intervals for the connection structure to pass through and fix, so as to fix the patient's limb to the fixing structure;

[0033] And / or, at least one of the connection structures is connected to the object to be installed.

[0034] Beneficial effects: The connecting structure is divided into a first connecting structure connected to the first fixing part and a second connecting structure connected to the second fixing part. Specifically, when the connecting structure is not connected to the first fixing part, one end and the other end of the first connecting structure are placed on one side of the first fixing part. Then, one end of the first connecting structure passes through the first mounting hole, and the other end of the first connecting structure passes through the second mounting hole. At this time, both ends of the first connecting structure are located on the other side of the first fixing part. Then, the first end of the first connecting structure is bound to the other end of the first connecting structure to achieve the connection between the patient's limb and the first fixing part. The connection method between the second connecting structure and the patient's limb and the second fixing part is the same, and will not be elaborated further here.

[0035] One end of the connecting structure passes through the first and second fixing parts while also connecting to the object to be installed, thus achieving a connection and fixation between the limb fixation device, the patient's limb, and the hospital bed. When the patient has other conditions, such as those that prevent them from controlling their limb movements, fixing the limb fixation device to the hospital bed can further enhance the stability of the limb fixation.

[0036] In one optional embodiment, along an extension direction parallel to the support structure, the first fixing part is provided with a plurality of first mounting holes and second mounting holes spaced apart, and the second fixing part is provided with a plurality of third mounting holes and fourth mounting holes spaced apart.

[0037] Beneficial effects: By defining the extension direction parallel to the support structure, the first fixing part is provided with a plurality of first mounting holes and second mounting holes at intervals, and the second fixing part is provided with a plurality of third mounting holes and fourth mounting holes at intervals, so as to select the corresponding first mounting holes and second mounting holes to fix the position of the connecting structure as needed, and at the same time, select the corresponding third mounting holes and fourth mounting holes to fix the position of the connecting structure as needed, thereby achieving the technical effect of improving the convenience of use of the limb fixation device.

[0038] In one alternative embodiment, at least one of the first mounting holes coincides with the third mounting hole, and at least one of the second mounting holes coincides with the fourth mounting hole.

[0039] Beneficial effects: By limiting at least one of the first mounting holes to coincide with the third mounting hole, and at least one of the second mounting holes to coincide with the fourth mounting hole, one end of the connecting structure can pass through both the first and third mounting holes simultaneously, and the other end of the connecting structure can pass through both the second and fourth mounting holes simultaneously, thereby fixing the relative position between the first fixing part and the second fixing part, and thus improving the stability of the relative position between the first fixing part and the second fixing part.

[0040] In one optional embodiment, the limb fixation device includes:

[0041] The second fixing unit is disposed on the first fixing unit and is used to fix the position of the infusion tube.

[0042] Beneficial effects: The second fixing unit can fix the position of the infusion tube, avoiding changes in the position of the infusion tube and causing displacement between the infusion tube and the patient, which would affect the stability of the infusion. This achieves the technical effect of improving the stability of the limb fixation device in fixing the position of the infusion tube.

[0043] In one optional embodiment, the second fixing unit includes:

[0044] A fixed body is provided with a slot, which engages with the infusion tube.

[0045] And / or, along the extension direction parallel to the support structure, the second fixing unit is provided in multiples, and adjacent second fixing units are spaced apart;

[0046] And / or, along the extension direction perpendicular to the support structure, there are multiple second fixing units, and adjacent second fixing units are spaced apart.

[0047] Beneficial effects: By placing the infusion tubing in the slot, the position of the infusion tubing can be fixed without any other operations, thereby improving the ease of installation and disassembly of the infusion tubing.

[0048] Multiple second fixing units are provided along the extension direction parallel to the support structure, with adjacent second fixing units spaced apart. Simultaneously, multiple second fixing units are provided along the extension direction perpendicular to the support structure, with adjacent second fixing units spaced apart. The required second fixing unit can be selected as needed, meaning the second fixing unit can match infusion tubing in various positions, thereby improving the adaptability of the second fixing unit to infusion tubing positions and ultimately enhancing the ease of use of the limb fixation device. Attached Figure Description

[0049] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in 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 utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0050] Figure 1 This is a schematic diagram of the limb fixation device in this embodiment;

[0051] Figure 2 for Figure 1 Top view of the limb immobilization device shown;

[0052] Figure 3 for Figure 1 Front view of the limb fixation device shown;

[0053] Figure 4 for Figure 3 The sectional view of AA shown;

[0054] Figure 5 for Figure 4 An enlarged schematic diagram of part B is shown.

[0055] Explanation of reference numerals in the attached figures:

[0056] 1. First fixed unit; 101. Support structure;

[0057] 1011. First support section; 1012. Second support section;

[0058] 102. Connection structure;

[0059] 2. Adjustment unit; 201. Adjustment structure; 202. Fixing structure;

[0060] 2021, First fixing part; 2022, Second fixing part;

[0061] 20221, Slider;

[0062] 2023, Connecting part;

[0063] 3. Second fixing unit; 301. Fixing body;

[0064] 3011, Card slot. Detailed Implementation

[0065] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0066] The following is combined Figures 1 to 5 The following describes embodiments of the present invention.

[0067] According to an embodiment of the present invention, a limb fixation device is provided for fixing a patient's limb. The limb fixation device includes:

[0068] The first fixing unit 1 is used to fix the relative position between the two ends of the patient's joint;

[0069] Adjustment unit 2 is connected to one end of the first fixing unit 1. Adjustment unit 2 is used to adjust the height of one end of the first fixing unit 1 relative to the other end of the first fixing unit 1.

[0070] In the limb fixation device of this embodiment, by setting an adjustment unit 2, the height of one end of the first fixation unit 1 relative to the other end of the first fixation unit 1 can be adjusted according to the patient's needs. This allows the relative position between the two ends of the patient's joint to remain unchanged, while adjusting the height of one side of the patient's limb relative to the other side of the patient's limb. This adjusts the position of the patient's limb and avoids numbness caused by prolonged infusion time, thereby improving the patient's comfort.

[0071] In this embodiment, the limb fixation device is used for hemodialysis treatment of the patient. It includes two infusion needles, designated as the first infusion needle and the second infusion needle, and two infusion tubing, designated as the first infusion tubing and the second infusion tubing. One end of the first infusion needle is inserted into the arterial end of the patient's arteriovenous fistula, and the other end is connected to one end of a blood pump via the first infusion tubing. The other end of the blood pump is connected to the inlet tubing of the hemodialysis machine. One end of the second infusion needle is inserted into the venous end of the patient's arteriovenous fistula, and the other end is connected to the outlet tubing of the hemodialysis machine via the second infusion tubing.

[0072] Specifically, the blood pump draws blood from the patient's arteries to a hemodialysis machine for purification, and then injects the purified blood back into the patient's veins.

[0073] As an alternative implementation, the limb immobilization device can also be used to immobilize the limbs of patients undergoing routine intravenous infusion procedures. Alternatively, it can be used in other scenarios where limbs at both ends of a joint need to be immobilized.

[0074] In addition, combined Figure 2 As shown, in this embodiment, the first fixing unit 1 includes:

[0075] The support structure 101 is used to support the patient's limb, and the extension direction of the support structure 101 is parallel to the length direction of the patient's limb.

[0076] The connecting structure 102 is arranged along the extension direction perpendicular to the support structure 101. Both ends of the connecting structure 102 are connected to the support structure 101 respectively. The connecting structure 102 is used to fix the patient's limb to the support structure 101.

[0077] Among them, the support structure 101 is set to extend along the length of the patient's limb, which means along... Figure 2 The horizontal direction is set as shown.

[0078] Specifically, the patient's limb is placed on the support structure 101, and the patient's limb is fixed to the support structure 101 through the connecting structure 102, so as to fix the relative position between the two ends of the patient's joint, thereby achieving the technical effect of improving the stability of the connection between the patient's limb and the support structure 101.

[0079] Both the support structure 101 and the connecting structure 102 are plate-like structures, made of rigid plastics such as polypropylene. Of course, in other embodiments, the material and shape of the support structure 101 and the connecting structure 102 may be adjusted depending on the design of the limb fixation device.

[0080] Of course, in other embodiments, the structure of the first fixing unit 1 may be adjusted depending on the design of the limb fixation device.

[0081] In addition, combined Figure 2 As shown, in this embodiment, the support structure 101 includes:

[0082] The first support part 1011 has a second mounting cavity at one end;

[0083] The second support part 1012 is connected to the adjustment unit 2 at one end, and the other end of the second support part 1012 is placed in the second mounting cavity so that the second support part 1012 is slidably connected to the first support part 1011.

[0084] The sliding connection between the second support portion 1012 and the first support portion 1011 allows adjustment of the length of the second support portion 1012 within the second mounting cavity, thereby adjusting the length of the first support portion 1011 and the second support portion 1012 along... Figure 2 The horizontal length shown is adjusted to accommodate the limb length requirements at both ends of the patient's joint, thereby enhancing the adaptability of the limb fixation device to different limb lengths at both ends of the patient's joint and improving the support effect on the patient's limb.

[0085] As an alternative implementation, one end of the second support portion 1012 can be connected to the adjustment unit 2, and the other end of the second support portion 1012 can be provided with a second mounting cavity. One end of the first support portion 1011 is placed in the second mounting cavity, so that the first support portion 1011 and the second support portion 1012 are slidably connected. Alternatively, other variations between the first support portion 1011 and the second support portion 1012 are all within the protection scope of this utility model.

[0086] Furthermore, the second support portion 1012 includes a limb connection area and a hand placement area, combined with Figure 2 As shown, the left end of the limb connection area is placed in the second mounting cavity, and the right end of the limb connection area is fixedly connected to the left end of the hand placement area, i.e., integrated. The right end of the hand placement area is connected to the adjustment unit 2.

[0087] The length of the limb connection area is greater than the length of the hand placement area, and the width of the limb connection area is greater than the width of the hand placement area.

[0088] Alternatively, the limb connection area and the hand placement area can be detachably connected, or a fixed connection between the limb connection area and the hand placement area can be achieved through other structures, such as adhesive.

[0089] Furthermore, in this embodiment, the patient's palm can be placed against the hand placement area. By bending the patient's hand to grasp the hand placement area and the adjustment unit 2, the patient's arm and the limb fixation device can be moved simultaneously. This improves the flexibility of the patient's limb movement while keeping the relative positions of the limbs at both ends of the joint fixed, thereby preventing numbness in the patient's limbs and improving the comfort of using the limb fixation device.

[0090] In other embodiments, the position of the patient's hand can be adjusted according to actual operation, and no further limitations are made here.

[0091] Of course, in other embodiments, the specific structure of the support structure 101 can be adjusted according to the different designs of the limb fixation device. For example, if one end of the first support portion 1011 does not have a second mounting cavity, and one end of the first support portion 1011 is stacked with the other end of the second support portion 1012, the sliding connection between the first support portion 1011 and the second support portion 1012 can still be achieved. Compared to other embodiments, the second mounting cavity in this embodiment can support the second support portion 1012 along... Figure 2 The vertical position shown is restricted so that the second support 1012 can only move along... Figure 2 The sliding direction shown is horizontal to improve the stability of the sliding of the first support 1011 and the second support 1012.

[0092] Furthermore, in this embodiment, along the extension direction perpendicular to the support structure 101, that is, along Figure 2 In the vertical direction shown, the first fixing part 2021 is provided with a first mounting hole and a second mounting hole at intervals for connecting the structure 102 through fixing, so as to fix the patient's limb to the fixing structure 202.

[0093] Along the extension direction perpendicular to the support structure 101, that is, along Figure 2 In the vertical direction shown, the second fixing part 2022 is provided with a third mounting hole and a fourth mounting hole at intervals for connecting the structure 102 through and fixing the patient's limb to the fixing structure 202.

[0094] Based on this, the connecting structure 102 is divided into a first connecting structure connected to the first fixing part 2021 and a second connecting structure connected to the second fixing part 2022. Specifically, when the connecting structure 102 is not connected to the first fixing part 2021, one end and the other end of the first connecting structure are placed on one side of the first fixing part 2021, that is, placed on... Figure 3The upper side of the first fixing part 2021 is shown. Next, one end of the first connecting structure passes through the first mounting hole, and the other end of the first connecting structure passes through the second mounting hole. At this time, both ends of the first connecting structure are located on the other side of the first fixing part 2021, that is... Figure 3 The first fixing part 2021 is located on the lower side, and then one end of the first connecting structure is bound to the other end of the first connecting structure to achieve the connection of the connecting structure 102 to the patient's limb and the first fixing part 2021. The connection method of the second connecting structure to the patient's limb and the second fixing part 2022 is the same, and will not be described in detail here.

[0095] In this embodiment, the line connecting the first mounting hole and the second mounting hole, and the line connecting the third mounting hole and the fourth mounting hole, are both parallel to the... Figure 2 The vertical direction is shown.

[0096] Furthermore, in this embodiment, the connecting structure 102 is a restraint strap. While fixing the patient, the restraint strap will not apply pressure or tightness to the patient, thus avoiding the occurrence of hematoma and achieving the technical effect of improving the protection of the patient.

[0097] Of course, in other embodiments, the type of connection structure 102 may be adjusted.

[0098] In other embodiments, the angles of the lines connecting the first and second mounting holes and the third and fourth mounting holes are adjusted depending on the design of the limb fixation device.

[0099] Meanwhile, in other embodiments, the connection method between the connecting structure 102 and the patient's limb and the first fixation part 2021, and between the connecting structure 102 and the patient's limb and the second fixation part 2022, can be adjusted according to the different designs of the limb fixation device.

[0100] In other embodiments, depending on the design of the limb fixation device, the connection structure 102 may be a combination of one or more structures, such as a restraint strap, the number of connection structures 102, and the specific structure of the support structure 101. All of these are within the protection scope of this utility model.

[0101] Of course, in other embodiments, depending on the design of the limb fixation device, it may be limited to the first fixing part 2021 having a first mounting hole and a second mounting hole spaced apart along the extension direction perpendicular to the support structure 101, the second fixing part 2022 having a third mounting hole and a fourth mounting hole spaced apart along the extension direction perpendicular to the support structure 101, and defining the combination of one or more structures between at least one connecting structure 102 and the object to be installed.

[0102] In addition, in this embodiment, along the extension direction parallel to the support structure 101, the first fixing part 2021 is provided with a plurality of first mounting holes and second mounting holes at intervals, and the second fixing part 2022 is provided with a plurality of third mounting holes and fourth mounting holes at intervals, so as to select the corresponding first mounting holes and second mounting holes to fix the position of the first connecting structure as needed, and at the same time, select the corresponding third mounting holes and fourth mounting holes to fix the position of the second connecting structure as needed, thereby achieving the technical effect of improving the reliability of the limb fixation device.

[0103] Furthermore, combined Figure 2 As shown, in this embodiment, multiple connecting structures 102 are provided along the extending direction parallel to the support structure 101, and adjacent connecting structures 102 are spaced apart. In this case, the number of connecting structures 102 can be equal to the sum of the corresponding number of first and second mounting holes, and the corresponding number of third and fourth mounting holes; that is, the number of connecting structures 102 is equal to the sum of the number of first mounting holes and the number of third mounting holes. Based on this, the number of connection points between the limb fixation device and the patient's limb can be increased, thereby achieving the technical effect of improving the connection stability between the limb fixation device and the patient's limb.

[0104] Furthermore, in this embodiment, at least one first mounting hole can coincide with the third mounting hole, and at least one second mounting hole can coincide with the fourth mounting hole. Based on this, one end of the connecting structure 102 can pass through both the first and third mounting holes simultaneously, and the other end of the connecting structure 102 can pass through both the second and fourth mounting holes simultaneously, thereby fixing the relative position between the first fixing part 2021 and the second fixing part 2022, and thus improving the stability of the relative position between the first fixing part 2021 and the second fixing part 2022.

[0105] In other embodiments, when the first mounting hole and the fourth mounting hole are positioned opposite each other, and the second mounting hole and the third mounting hole are positioned opposite each other, the first mounting hole and the fourth mounting hole coincide, and the third mounting hole and the second mounting hole coincide, all of which are within the protection scope of this utility model.

[0106] As an alternative implementation, the number of connecting structures 102 may be less than or greater than the sum of the corresponding number of first and second mounting holes and the corresponding number of third and fourth mounting holes, all of which are within the protection scope of this utility model.

[0107] Preferably, at least one connecting structure 102 is connected to the object to be installed so as to fix both the limb fixation device and the patient's limb to the object to be installed, thereby achieving the technical effect of improving the stability of the patient's limb fixation.

[0108] The object to be installed can be a hospital bed. Specifically, one end and the other end of the connecting structure 102 pass through the first fixing part 2021 and the second fixing part 2022, and also pass through the side railing of the hospital bed to achieve connection and fixation between the limb fixation device, the patient's limb, and the hospital bed. When the patient has other conditions, such as the inability to control limb movement voluntarily, fixing the limb fixation device to the bed can further improve the stability of the limb fixation. As an alternative implementation, the limb fixation device can also be connected and fixed only to the patient's limb.

[0109] Of course, in other embodiments, the type of object to be installed can be adjusted as needed.

[0110] In other embodiments, depending on the design of the limb fixation device, additional structures, such as clamps, can be provided to fix the relative position between the first fixing part 2021 and the second fixing part 2022. Compared to other embodiments, in this embodiment, the relative position between the first fixing part 2021 and the second fixing part 2022 can be fixed by the connection structure 102 through the overlap between the first mounting hole and the third mounting hole, and the overlap between the second mounting hole and the fourth mounting hole, without the need for additional structures. This achieves the technical effect of improving the simplicity of the limb fixation device structure, and thus achieving the technical effect of saving the manufacturing cost of the limb fixation device.

[0111] Of course, in other embodiments, the number of the first mounting hole, the second mounting hole, the third mounting hole, and the fourth mounting hole may be adjusted depending on the design of the limb fixation device.

[0112] In addition, combined Figure 3 As shown, in this embodiment, the adjustment unit 2 includes:

[0113] The adjustment structure 201 is connected to the first fixing unit 1, i.e., one end of the second support part 1012, and the included angle between the adjustment structure 201 and the second support part 1012 is adjustable;

[0114] The fixing structure 202 is connected at one end to the adjusting structure 201 and at the other end to one end of the second support part 1012, and is used to fix the relative position between the adjusting structure 201 and the second support part 1012.

[0115] By setting the fixing structure 202, the relative position between the adjusting structure 201 and the first fixing unit 1 can be fixed, thereby improving the stability of the angle between the adjusting structure 201 and the first fixing unit 1, improving the stability of the height of one end of the first fixing unit 1 relative to the height of the other end of the first fixing unit 1, realizing the stability of raising the patient's hand, and thus achieving the technical effect of improving the reliability of the limb fixation device.

[0116] Of course, in other embodiments, the structure of the adjustment unit 2 may be adjusted depending on the design of the limb fixation device.

[0117] In addition, in this embodiment, the adjustment structure 201 is hinged to one end of the second support portion 1012.

[0118] Furthermore, combined Figure 3 As shown, the fixing structure 202 includes:

[0119] The first fixing part 2021 has one end connected to the first fixing unit 1, i.e. the second support part 1012, and the other end of the first fixing part 2021 is provided with a first mounting cavity. The side of the first fixing part 2021 is provided with a first connecting hole.

[0120] The second fixing part 2022 has one end placed in the first mounting cavity so that the second fixing part 2022 and the first fixing part 2021 are slidably connected. The other end of the second fixing part 2022 is connected to the adjustment structure 201. Along the length direction of the limb, the side of the second fixing part 2022 is provided with a plurality of second connecting holes at intervals, and one of the plurality of second connecting holes coincides with the first connecting hole.

[0121] The connecting part 2023 passes through the first connecting hole and the second connecting hole, and the connecting part 2023 is used to fix the relative position between the first fixing part 2021 and the second fixing part 2022.

[0122] By sliding the second fixing part 2022 along the first fixing part 2021, the length of the second fixing part 2022 placed in the first mounting cavity can be adjusted. The relative position between the first fixing part 2021 and the second fixing part 2022 is fixed by the connecting part 2023, so as to realize the angle adjustment and fixation between the second support part 1012 and the adjustment structure 201. This allows for the adjustment of the height of one side of the patient's limb relative to the other side of the patient's limb, avoiding numbness in the patient's limb, and thus achieving the technical effect of improving the comfort of the patient's hemodialysis treatment.

[0123] In this embodiment, both the first fixing part 2021 and the second fixing part 2022 are arc-shaped structures, and the center of the arc coincides with the center of the hinge between the second support part 1012 and the adjustment structure 201. Simultaneously, the first fixing part 2021 is hinged to the second support part 1012, and the second fixing part 2022 is hinged to the adjustment structure 201.

[0124] Preferably, both the first connecting hole and the second connecting hole are threaded holes, and the connecting structure 102 is a bolt.

[0125] Alternatively, one of the first connecting hole and the second connecting hole may be a threaded hole, and the connecting structure 102 may be a bolt.

[0126] Of course, in other embodiments, the type of connection structure 102 can be adjusted, as long as the relative position between the first fixing part 2021 and the second fixing part 2022 can be fixed.

[0127] In other embodiments, the connection method between the first fixing part 2021 and the second support part 1012, and the connection method between the second fixing part 2022 and the adjustment structure 201 are adjusted according to the different designs of the limb fixation device.

[0128] In other embodiments, the shapes of the first fixing part 2021 and the second fixing part 2022 and their relative positions may be adjusted according to the different designs of the limb fixation device, all of which are within the protection scope of this utility model.

[0129] Of course, in other embodiments, the structures of the first fixing part 2021, the second fixing part 2022, and the connecting structure 102 may be adjusted depending on the design of the limb fixation device.

[0130] In other embodiments, the connection method between the adjusting structure 201 and the first fixing unit 1 can be adjusted according to the different designs of the limb fixation device. For example, no connection point may be provided between the adjusting structure 201 and the first fixing unit 1. Compared with other embodiments, in this embodiment, the adjusting structure 201 and the first fixing unit 1 can be connected and the included angle can be adjusted. This avoids the situation in other embodiments where adjusting the angle between the adjusting structure 201 and the first fixing unit 1 not only causes changes in the included angle but also displacements in other directions. This embodiment can specifically adjust the included angle between the adjusting structure 201 and the first fixing unit 1, thereby achieving the technical effect of improving the reliability of the angle adjustment between the adjusting structure 201 and the first fixing unit 1.

[0131] Of course, in other embodiments, the connection method between the adjustment structure 201 and the first fixing unit 1 may be adjusted depending on the design of the limb fixation device.

[0132] In other embodiments, depending on the design of the limb fixation device, only the adjustment structure 201 is hinged to one end of the first fixation unit 1, or only the structure of the fixation structure 202 is defined.

[0133] In addition, combined Figures 3 to 5 As shown, in this embodiment, the second fixing part 2022 along Figure 5 Slider 20221 is provided on both the left and right sides shown, and the first mounting cavity edge Figure 4 Both the left and right inner walls shown are provided with sliding grooves, and the sliding grooves are along... Figure 3 The left end is flush with the left end of the first fixing part 2021, and the groove edge Figure 3 The right end does not extend to the right end of the first fixing part 2021, that is, the groove does not penetrate the side of the first mounting cavity. When the second fixing part 2022 slides to the edge of the groove... Figure 3 When the right end is shown, the sliding stops, allowing the second fixing part 2022 to be limited by the right end of the first fixing part 2021, preventing the second fixing part 2022 from disengaging from the first sliding groove and affecting the use of the limb fixation device, thereby achieving the technical effect of improving the reliability of the limb fixation device.

[0134] Of course, in other embodiments, the limiting method for the movement distance of the second fixing part 2022 may be adjusted according to the different designs of the limb fixation device. As long as the second fixing part 2022 can be kept from leaving the first slide groove, it is within the protection scope of this utility model.

[0135] In addition, combined Figure 1 and Figure 2 As shown, in this embodiment, the limb fixation device includes:

[0136] The second fixing unit 3 is disposed on the first fixing unit 1 and is used to fix the position of the infusion tube.

[0137] The second fixing unit 3 can fix the position of the infusion tube, preventing changes in the position of the infusion tube from causing displacement between the infusion tube and the patient, thus affecting the stability of the infusion. This achieves the technical effect of improving the stability of the limb fixation device in fixing the position of the infusion tube.

[0138] Of course, in other embodiments, the limb fixation device may not include the second fixation unit 3.

[0139] In addition, combined Figure 3 and Figure 4 As shown, in this embodiment, the second fixing unit 3 includes:

[0140] The fixed body 301 is provided with a slot 3011, which is engaged with the infusion tube. That is, the infusion tube is placed in the slot 3011 to fix the position of the infusion tube.

[0141] Of course, in other embodiments, the second fixing unit 3 may also include a connecting strap and a snap fastener. The two ends of the connecting strap are respectively provided with a male snap fastener and a female snap fastener. The male snap fastener is located on the first fixing unit 1. The infusion tube is placed inside the connecting strap, and the infusion tube is fixed inside the connecting strap by the engagement of the male and female snap fasteners, thereby achieving the fixation of the infusion tube's position. Compared to other embodiments, this embodiment achieves the fixation of the infusion tube's position by placing the infusion tube inside the slot 3011 without any other operations, thus improving the ease of installation and disassembly of the infusion tube.

[0142] Preferably, in this embodiment, along the extension direction parallel to the support structure 101, i.e. along Figure 3 In the horizontal direction shown, there are multiple second fixing units 3, and adjacent second fixing units 3 are spaced apart;

[0143] Along the extension direction perpendicular to the support structure 101, that is, along Figure 4 In the horizontal direction shown, there are multiple second fixing units 3, for example, two, and adjacent second fixing units 3 are spaced apart.

[0144] Based on this, the second fixing unit 3 can be selected as needed, that is, the second fixing unit 3 can match infusion tubes in various positions, thereby improving the adaptability of the second fixing unit 3 to the position of the infusion tube, and thus achieving the technical effect of improving the ease of use of the limb fixation device.

[0145] Of course, in other embodiments, the number of the second fixing units 3 may be adjusted along the extension direction perpendicular to the support structure 101, depending on the design of the limb fixation device.

[0146] In other embodiments, depending on the design of the limb fixation device, the specific structure of the second fixation unit 3 can be defined, the extension direction along the support structure 101 can be defined, and multiple second fixation units 3 can be defined, as well as the extension direction perpendicular to the support structure 101. The second fixation unit 3 may have one or a combination of multiple structures, all of which are within the protection scope of this utility model.

[0147] Although embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. An apparatus for immobilizing a limb, comprising: The limb immobilization device is used to immobilize a patient's limb and includes: The first fixing unit (1) is used to fix the relative position between the two limbs at both ends of the patient's joint; An adjustment unit (2) is connected to one end of the first fixing unit (1), and the adjustment unit (2) is used to adjust the height of one end of the first fixing unit (1) relative to the other end of the first fixing unit (1); the adjustment unit (2) includes: An adjustment structure (201) is hinged to one end of the first fixing unit (1) so that the angle between the adjustment structure (201) and the first fixing unit (1) is adjustable; A fixing structure (202) has one end connected to the adjusting structure (201) and the other end connected to one end of the first fixing unit (1), for fixing the relative position between the adjusting structure (201) and the first fixing unit (1); the fixing structure (202) includes: The first fixing part (2021) is connected to the first fixing unit (1) at one end, and the other end of the first fixing part (2021) is provided with a first mounting cavity, and the side of the first fixing part (2021) is provided with a first connecting hole; The second fixing part (2022) has one end placed in the first mounting cavity so that the second fixing part (2022) and the first fixing part (2021) are slidably connected. The other end of the second fixing part (2022) is connected to the adjustment structure (201). Along the length direction of the limb, the side of the second fixing part (2022) is provided with a plurality of second connecting holes at intervals, and one of the plurality of second connecting holes coincides with the first connecting hole. A connecting part (2023) passes through the first connecting hole and the second connecting hole, and the connecting part (2023) is used to fix the relative position between the first fixing part (2021) and the second fixing part (2022).

2. The apparatus of claim 1, wherein The first fixing unit (1) includes: A support structure (101) is provided for supporting the patient's limbs, and the extension direction of the support structure (101) is parallel to the length direction of the patient's limbs. A connecting structure (102) is provided along an extension direction perpendicular to the support structure (101), and both ends of the connecting structure (102) are respectively connected to the support structure (101). The connecting structure (102) is used to fix the patient's limb to the support structure (101).

3. The apparatus of claim 2, wherein The connection structure (102) is a constraint band; And / or, along the extension direction parallel to the support structure (101), there are multiple connecting structures (102), and adjacent connecting structures (102) are spaced apart; And / or, the support structure (101) includes: The first support part (1011) has a second mounting cavity at one end; The second support part (1012) is connected at one end to the adjustment unit (2), and the other end of the second support part (1012) is placed in the second mounting cavity so that the second support part (1012) is slidably connected to the first support part (1011).

4. The apparatus of claim 2 wherein, Along the extension direction perpendicular to the support structure (101), the first fixing part (2021) is provided with a first mounting hole and a second mounting hole at intervals for the connection structure (102) to pass through and fix the patient's limb to the fixing structure (202). And / or, along the extension direction perpendicular to the support structure (101), the second fixing part (2022) is provided with a third mounting hole and a fourth mounting hole at intervals for the connection structure (102) to pass through and fix the patient's limb to the fixing structure (202); And / or, at least one of the connection structures (102) is connected to the object to be installed.

5. The apparatus of claim 4 wherein, Along the extension direction parallel to the support structure (101), the first fixing part (2021) is provided with a plurality of first mounting holes and second mounting holes at intervals, and the second fixing part (2022) is provided with a plurality of third mounting holes and fourth mounting holes at intervals.

6. The apparatus of claim 5 wherein, At least one of the first mounting holes coincides with the third mounting hole, and at least one of the second mounting holes coincides with the fourth mounting hole.

7. An apparatus according to any one of claims 3-6, wherein, The limb immobilization device includes: The second fixing unit (3) is disposed on the first fixing unit (1) and is used to fix the position of the infusion tube.

8. The apparatus of claim 7 wherein, The second fixing unit (3) includes: A fixed body (301) is provided with a slot (3011) on the fixed body (301), and the slot (3011) is engaged with the infusion tube; And / or, along the extension direction parallel to the support structure (101), the second fixing unit (3) is provided in multiples, and adjacent second fixing units (3) are spaced apart; And / or, along the extension direction perpendicular to the support structure (101), the second fixing unit (3) is provided in multiples, and adjacent second fixing units (3) are spaced apart.

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