Lower limb fixing device for femoral vein catheterization

Abstract

The lower limb fixing device comprises a main plate and a supporting rod, the supporting rod comprises a telescopic rod, a supporting frame, a sliding structure and a connecting structure, the supporting frame is arranged at the top of the telescopic rod, and the bottom of the telescopic rod is connected with the bottom of the main plate through the connecting structure. The telescopic rod is connected with the top of the main plate through a sliding structure so that the telescopic rod can horizontally move on the plane of the main plate. The lower limb fixing device can be used for fixing the lower limb during femoral vein catheterization, so that the lower limb on the catheterization side of a patient is kept in an outward-rotating and outward-extending position, the comfort of the patient during catheterization is improved, and the catheterization success rate is increased.

Description

Technical Field

[0001] This utility model relates to the field of femoral vein catheterization technology, and in particular to a lower limb fixation device for performing femoral vein catheterization. Background Technology

[0002] Femoral vein catheterization is a common clinical procedure. It typically requires the patient to maintain an externally rotated and abducted lower limb on the side of the catheter to fully expose the groin area, facilitating the procedure. However, some patients, due to advanced age or weakness, cannot maintain this position continuously and often move or straighten their lower limb during the procedure, making catheterization difficult and reducing the success rate. To facilitate the procedure, the operator instructs the patient to adjust to the required position. If this occurs after sterilization and draping, it may cause the sterile drape to fall off, leading to contamination of the sterile area and increasing the risk of catheter infection.

[0003] Therefore, there is an urgent need for a lower limb fixation device when performing femoral vein catheterization. Utility Model Content

[0004] This invention provides a lower limb fixation device for femoral vein catheterization, solving the problem that patients cannot maintain a continuous external rotation and abduction position of the lower limbs.

[0005] This utility model provides a lower limb fixation device for femoral vein catheterization, including a main board and a support rod. The support rod includes a telescopic rod, a support frame, a sliding structure, and a connecting structure. The support frame is provided at the top of the telescopic rod, and the bottom of the telescopic rod is rotatably connected to the bottom of the main board through the connecting structure. The telescopic rod is connected to the top of the main board through the sliding structure, so that the telescopic rod can move horizontally on the plane of the main board.

[0006] The lower limb fixation device for femoral vein catheterization, preferably, includes a connecting structure comprising a base plate, a base, and a kit. The base plate is disposed at the bottom of the main board, the base is disposed on the base plate, and the kit is disposed at the bottom of the telescopic rod, and the kit is rotatably connected to the base.

[0007] The lower limb fixation device for femoral vein catheterization, preferably, includes a base comprising a positioning protrusion and a gripping groove, the positioning protrusion and the gripping groove being disposed on the base plate, the gripping groove being symmetrically distributed on both sides of the positioning protrusion, the gripping groove engaging with the positioning protrusion and the kit, and the kit being able to rotate within the gripping groove.

[0008] The lower limb fixation device for femoral vein catheterization, preferably, includes a protruding stop and a sleeve. The protruding stop and the sleeve are disposed on the bottom of the telescopic rod. The protruding stop is symmetrically distributed on both sides of the sleeve so that the sleeve can be fitted onto the positioning protruding rod. The protruding stop can be rotated into the grab groove to achieve locking.

[0009] The lower limb fixation device for femoral vein catheterization, preferably, includes a sliding structure comprising a slide rail, a slider, a sleeve, and a connecting shaft. The slide rail is disposed on the top of the main board. One end of the connecting shaft is fixedly connected to the sleeve, and the other end of the connecting shaft is provided with a universal ball. The slider is provided with a groove, and the other end of the connecting shaft is disposed in the groove through the universal ball, so that the sleeve can rotate and the slider can slide within the slide rail, thereby enabling the slider to slide and drive the telescopic rod sleeved in the sleeve to move horizontally on the plane of the main board.

[0010] Preferably, in the lower limb fixation device for femoral vein catheterization, the slider is provided with a locking screw on its side and the slide rail is provided with a threaded hole on its side. The slider and the slide rail are fixedly connected by screwing the locking screw into the threaded hole.

[0011] The lower limb fixation device for femoral vein catheterization, preferably, includes an arc-shaped support frame and a strap, the arc-shaped support frame being disposed at the top of the telescopic rod, the arc-shaped support frame being connected to the strap, and the end of the arc-shaped support frame being connected to the end of the strap by a hook and loop fastener.

[0012] Preferably, the surface of the arc-shaped support frame of the lower limb fixation device for femoral vein catheterization is also covered with sponge.

[0013] Preferably, the lower limb fixation device for femoral vein catheterization has a fixation opening on the main board.

[0014] The beneficial effects are:

[0015] The motherboard and support rod are connected by a base and kit, allowing for disassembly and detachment for easy use and space saving.

[0016] The angle of the support rod can be adjusted by means of slide rails, sliders, sleeves and connecting shafts, and the length of the support rod can be adjusted to a suitable length by means of telescopic rods. The structure is simple and easy to use.

[0017] The curved support frame rests on the patient's popliteal fossa, with sponge to protect the patient's skin, and is connected by straps for easy use.

[0018] This invention can fix the lower limb during femoral vein catheterization, keeping the patient's lower limb on the catheterization side in an externally rotated and abducted position, increasing the patient's comfort during catheterization and improving the success rate of catheterization. Attached Figure Description

[0019] Figure 1 This is a diagram showing the usage state of this utility model;

[0020] Figure 2 This is a schematic diagram of the motherboard structure;

[0021] Figure 3 This is a schematic diagram of the support rod structure;

[0022] Figure 4a This is a top view of the base;

[0023] Figure 4b This is a side view of the base;

[0024] Figure 5a Top view of the kit;

[0025] Figure 5b Side view of the kit;

[0026] Figure 6a This is a diagram showing the usage state after the base and kit are connected;

[0027] Figure 6b This is a diagram showing the kit placed inside the base but not yet locked in place.

[0028] Figure 6c A diagram illustrating the usage state of the kit being placed inside the base and locked in place;

[0029] Figure 7a This is a top view of the structure of the slider, sleeve, and connecting shaft.

[0030] Figure 7b This is a side view of the structure of the slider, sleeve, and connecting shaft.

[0031] In the picture:

[0032] 1. Mainboard; 1-1. Large mounting hole; 1-2. Small mounting hole;

[0033] 2. Telescopic pole; 3. Arc-shaped support frame; 4. Straps; 5. Base plate; 6. Positioning protrusions;

[0034] 7. Grip groove; 8. Protruding stop block; 9. Sleeve; 10. Slide rail; 11. Slider; 12. Sleeve;

[0035] 13. Locking screw; 14. Velcro; 15. Wide strap; 16. Narrow strap; 17. Connecting shaft. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0037] In the description of this utility model, it should be noted that the terms "upper", "top" and "bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the system 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 utility model.

[0038] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "set" and "connection" 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 of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0039] This invention provides a lower limb fixation device for femoral vein catheterization, comprising a main board and a support rod. The support rod includes a telescopic rod, a support frame, a sliding structure, and a connecting structure. The support frame is located at the top of the telescopic rod, and the bottom of the telescopic rod is connected to the bottom of the main board via the connecting structure. The telescopic rod is connected to the top of the main board via the sliding structure, allowing the telescopic rod to move horizontally on the plane of the main board. This invention can fix the lower limb during femoral vein catheterization, keeping the patient's lower limb on the catheterization side in an externally rotated and abducted position, increasing patient comfort and improving the success rate of catheterization.

[0040] The following section uses a lower limb fixation device for femoral vein catheterization as an example to illustrate the entire technical process in detail.

[0041] Reference Figure 1 , Figure 2 and Figure 3As shown, a lower limb fixation device for femoral vein catheterization includes a main board 1 and a support rod. The support rod includes a telescopic rod 2, a support frame, a sliding structure, and a connecting structure. The support frame is provided at the top of the telescopic rod 2, and the bottom of the telescopic rod 2 is rotatably connected to the bottom of the main board 1 through the connecting structure. The telescopic rod 2 is connected to the top of the main board 1 through the sliding structure, so that the telescopic rod 2 can move horizontally on the plane of the main board 1.

[0042] Continue to refer to Figure 1 , Figure 7a and Figure 7b As shown, the sliding structure includes a slide rail 10, a slider 11, a sleeve 12, and a connecting shaft 17. The slide rail 10 is mounted on the main board 1. One end of the connecting shaft 17 is fixedly connected to the sleeve 12, and the other end of the connecting shaft 17 is provided with a universal ball. The slider 11 is provided with a groove, and the other end of the connecting shaft 17 is mounted in the groove of the slider 11 through the universal ball, so that the sleeve 12 can rotate and the slider 11 can be slidably mounted in the slide rail 10, so that the slider 11 slides and drives the telescopic rod 2, which is sleeved in the sleeve 12, to move horizontally on the plane of the main board 1.

[0043] The slider 11 is provided with a locking screw 13 on its side, and the slide rail 10 is provided with a threaded hole on its side. The slider 11 and the slide rail 10 are fixedly connected by screwing the locking screw 13 into the threaded hole.

[0044] Continue to refer to Figure 1 and Figure 3 As shown, the support frame includes an arc-shaped support frame 3 and a strap 4. The arc-shaped support frame 3 is located on the top of the telescopic rod 2. The arc-shaped support frame 3 is connected to the strap 4. The end of the arc-shaped support frame 3 and the end of the strap 4 are connected by a hook and loop fastener 14.

[0045] The surface of the arc-shaped support frame 3 is also covered with sponge.

[0046] Continue to refer to Figure 1 and Figure 2 As shown, the mainboard 1 has fixing openings, including a large fixing opening 1-1 and small fixing openings 1-2. The mainboard 1 has large fixing openings 1-1 on both sides, and multiple small fixing openings 1-2 are located between the large fixing openings 1-1. In use, the mainboard 1 is placed on the hospital bed, and a wide strap 15 is passed through the large fixing opening 1-1 and wrapped around the lowered bed rail to fix the mainboard 1 to the bed. The patient lies supine with the lower limb on the side where the tube is inserted externally rotated and abducted. After assuming the correct position, a narrow strap 16 is passed through the small fixing openings 1-2 near the lower leg to fix the lower leg to the mainboard 1.

[0047] Reference Figure 4a , Figure 4b , Figure 5a , Figure 5b , Figure 6a , Figure 6b and Figure 6c As shown, the connection structure includes a base plate 5, a base and a kit. The base plate 5 is disposed at the bottom of the main board 1, and the base is disposed on the base plate 5. The kit is disposed at the bottom of the telescopic rod 2 and is snapped into the base.

[0048] The base includes a positioning protrusion 6 and a gripping groove 7, which are disposed on the base plate 5. The gripping grooves are symmetrically distributed on both sides of the positioning protrusion 6. The gripping grooves 7 engage with the positioning protrusion 6 and the kit, and the kit can rotate within the gripping grooves 7.

[0049] The kit includes a raised stop 8 and a sleeve 9, which are disposed on the bottom of the telescopic rod 2. The raised stop 8 is symmetrically distributed on both sides of the sleeve 9 so that the sleeve 9 can be fitted onto the positioning raised rod 6. The raised stop 8 can be rotated into the gripping groove 7 to achieve a locking action. When the slider 11 slides on the slide rail 10, the raised stop 8 can rotate within the gripping groove 7 to allow the slider 11 to drive the support rod to adjust its position on the surface of the main board 1.

[0050] Reference Figure 6b and Figure 6c As shown, during use, the sleeve 9 is fitted onto the positioning protrusion rod 6, and the protrusion block 8 is located in the gaps on both sides of the gripping groove 7. The support rod is rotated to allow the protrusion block 8 to enter the gripping groove 7, achieving a locking action. The support rod is then rotated to slide the slider 11 into the slide rail 10. After use, the support rod is rotated to slide the slider 11 out of the slide rail 10, and the support rod is rotated to disengage the protrusion block 8 from the gripping groove 7, allowing it to be removed from the gaps on both sides of the gripping groove 7.

[0051] Work process:

[0052] Place the mainboard 1 on the hospital bed, pass the wide strap 15 through the large fixing opening 1-1, and wrap the strap around the lowered bed rails to fix the entire device to the hospital bed.

[0053] The sleeve 9 is placed on the positioning protrusion rod 6, and the protrusion block 8 is located in the gap on both sides of the gripping groove 7. Rotate to make the protrusion block 8 enter the gripping groove 7 to achieve a snap-fit. The slider 11 connected to the telescopic rod 2 is installed from one end of the slide rail 10 onto the slide rail 10.

[0054] With the patient in a supine position, the lower limb on the side with the tube inserted is externally rotated and abducted. After positioning the patient, the narrow strap 16 is passed through the small fixation openings 1-2 to fix the lower leg to the main board 1.

[0055] Slide slider 11 left and right to adjust to a suitable position. Fix slider 11 to slide rail 10 by locking screw 13 on the side of slider 11. Adjust the length by telescopic rod 2. Arc support frame 3 is placed on the patient's popliteal fossa. Wrap the strap 4 around the patient's thigh and connect it to arc support frame 3 by hook and loop fastener 14 to fix the thigh and achieve lower limb fixation.

[0056] After use, remove the straps 4 and 16 from the patient's leg, rotate the support rod to slide the slider 11 out of the slide rail 10, continue to rotate the support rod to disengage the protruding stop 8 from the gripping groove 7, remove it from the gaps on both sides of the gripping groove 7, separate the support rod from the main board 1, remove the support rod, loosen the wide straps 15 on both sides of the device and remove the main board 1.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model 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 of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A lower limb fixation device for femoral vein catheterization, characterized in that, The device includes a motherboard and a support rod. The support rod includes a telescopic rod, a support frame, a sliding structure, and a connecting structure. The support frame is located at the top of the telescopic rod. The bottom of the telescopic rod is rotatably connected to the bottom of the motherboard through the connecting structure. The telescopic rod is connected to the top of the motherboard through the sliding structure, so that the telescopic rod can move horizontally on the plane of the motherboard.

2. The lower limb fixation device for femoral vein catheterization according to claim 1, characterized in that, The connection structure includes a base plate, a base, and a kit. The base plate is disposed at the bottom of the motherboard, and the base is disposed on the base plate. The kit is disposed at the bottom of the telescopic rod and is rotatably connected to the base.

3. The lower limb fixation device for femoral vein catheterization according to claim 2, characterized in that, The base includes a positioning protrusion and a gripping groove. The positioning protrusion and the gripping groove are disposed on the base plate. The gripping groove is symmetrically distributed on both sides of the positioning protrusion. The gripping groove engages with the positioning protrusion and the kit, and the kit can rotate within the gripping groove.

4. The lower limb fixation device for femoral vein catheterization according to claim 3, characterized in that, The kit includes a raised stop block and a sleeve. The raised stop block and the sleeve are disposed on the bottom of the telescopic rod. The raised stop block is symmetrically distributed on both sides of the sleeve so that the sleeve can be fitted onto the positioning raised rod. The raised stop block can be rotated into the gripping groove to achieve a locking action.

5. The lower limb fixation device for femoral vein catheterization according to claim 4, characterized in that, The sliding structure includes a slide rail, a slider, a sleeve, and a connecting shaft. The slide rail is disposed on the top of the main board. One end of the connecting shaft is fixedly connected to the sleeve, and the other end of the connecting shaft is provided with a universal ball. The slider is provided with a groove, and the other end of the connecting shaft is disposed in the groove through the universal ball, so that the sleeve can rotate and the slider can slide in the slide rail, so that the slider slides and drives the telescopic rod sleeved in the sleeve to move horizontally on the plane of the main board.

6. The lower limb fixation device for femoral vein catheterization according to claim 5, characterized in that, The slider is provided with a locking screw on its side, and the slide rail is provided with a threaded hole on its side. The slider and the slide rail are fixedly connected by screwing the locking screw into the threaded hole.

7. The lower limb fixation device for femoral vein catheterization according to claim 6, characterized in that, The support frame includes an arc-shaped support frame and a strap. The arc-shaped support frame is located at the top of the telescopic rod and is connected to the strap. The end of the arc-shaped support frame is connected to the end of the strap by a hook and loop fastener.

8. The lower limb fixation device for femoral vein catheterization according to claim 7, characterized in that, The surface of the arc-shaped support frame is also covered with sponge.

9. The lower limb fixation device for femoral vein catheterization according to any one of claims 1 to 8, characterized in that, The motherboard has a fixing opening.

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