Improved structure of PICC (Peripherally Inserted Central Catheter) catheter arm support

Abstract

The utility model relates to the technical field of medical auxiliary instruments, and discloses a PICC (Peripherally Inserted Central Catheter) catheterization arm support improved structure which comprises a movable base, an electric telescopic rod is fixedly connected to the top of the movable base, a fixed disc is fixedly connected to the top of the electric telescopic rod, and a rotating shaft is fixedly connected to the top of the fixed disc. The top of the rotating shaft is rotationally connected with a supporting plate. The top of the supporting plate is fixedly connected with a forearm fixing assembly used for fixing the forearm of a patient, and the bottom of the supporting plate is fixedly connected with a fastening assembly used for fixing the supporting plate. According to the improved structure of the PICC catheterization arm support, the height of the supporting plate can be adjusted through the electric telescopic rod so as to adapt to different use requirements, the fixing disc is used for connecting the electric telescopic rod and the rotating shaft, the supporting plate can rotate through the rotating shaft, use flexibility is improved, and a patient or medical staff can conveniently conduct catheterization according to the height of the supporting plate before puncture. The arm abduction of the patient and the body are adjusted to form an angle of 45-90 degrees.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical auxiliary instrument technical field, concretely is PICC catheterization arm support improved structure. BACKGROUND

[0002] PICC catheterization generally refers to peripheral venous puncture central venous catheterization, and the peripheral venous puncture central venous catheterization is to puncture and place a catheter through peripheral veins such as upper limb basilic vein, elbow median vein, cephalic vein and external jugular vein (newborns can also pass through lower limb great saphenous vein, temporal vein and postauricular vein), and the catheter tip is located in the superior vena cava or inferior vena cava to establish a venous channel, which is conducive to the treatment of patients who need long-term intravenous drug administration and critically ill patients.

[0003] The utility model discloses a PICC catheterization arm support, including base and installing the universal wheel of base bottom four corners, the top central perpendicular connection of base has first electric push rod, the movable rod top of first electric push rod fixedly connected with support table, the both sides symmetry of support table's top are connected with slide rail, the slide rail is slidably connected with slide table, the top of slide table is connected with arm fixed assembly, the utility model discloses simple structure, convenient operation, the arm of patient is placed on arm fixed assembly and is convenient for patient to stretch, can fix the arm, can adjust the angle of patient's arm and body, expands the abduction angle of arm, improves the convenience of PICC catheterization operation, when using, the support plate is placed and fixed on the bedside of sickbed, can further support the arm of patient, improves the comfort, can effectively prevent the displacement of support, improves the stability of support.

[0004] However, the PICC catheterization arm support has the following deficiencies: before puncture, the arm of the patient needs to be abducted to 45°-90° with the trunk, and when using the support, the whole support needs to be rotated to a comfortable angle of the patient or a convenient operation angle of the medical staff, and after rotating the whole support, the clamping plate is difficult to keep aligned with the bedside of the sickbed, and the whole rotation is inconvenient, thus improvement is needed. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model aims at providing a PICC catheterization arm support improved structure to solve the problems in the background art.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme:

[0007] The utility model provides an improved structure of PICC catheterization arm support, including mobile base, the top fixed connection of mobile base has motorized telescopic link, the top fixed connection of motorized telescopic link has fixed disc, the top fixed connection of fixed disc has pivot, the top rotation connection of pivot has support plate,

[0008] The top of the support plate is fixedly connected with a forearm fixing assembly for fixing the forearm of the patient, and the bottom of the support plate is fixedly connected with a fastening assembly for fixing the support plate.

[0009] Preferably, the fastening assembly includes a vertical rod, a vertical groove is formed in the right side of the vertical rod, a bidirectional screw rod is rotatably arranged in the vertical groove, the front and back threads of the bidirectional screw rod are respectively threadedly connected with clamping plates, the bottom of the bidirectional screw rod movably penetrates through the vertical rod and extends to the outside, and the bottom of the bidirectional screw rod is fixedly connected with a first rotating handle.

[0010] Preferably, the end of each of the two clamping plates that is close to the other is provided with an anti-skid pattern, and the two clamping plates are slidably arranged in the vertical groove.

[0011] Preferably, the forearm fixing assembly includes a forearm supporting plate, a supporting groove is formed in the top of the forearm supporting plate, a sponge pad is arranged on the inner wall of the supporting groove, and a binding belt for fixing the forearm is arranged on the top of the forearm supporting plate.

[0012] Preferably, the right side of the top of the support plate is fixedly connected with an upper arm placing seat, and the material of the upper arm placing seat is rubber.

[0013] Preferably, the right side of the pivot is fixedly connected with a connecting rod, the right side of the connecting rod is fixedly connected with a N-shaped supporting plate, a threaded hole is formed in the bottom of the N-shaped supporting plate, a unidirectional screw rod is threadedly connected in the threaded hole, a pressing plate is rotatably connected to the top of the unidirectional screw rod, and a second rotating handle is rotatably arranged at the bottom of the unidirectional screw rod.

[0014] Preferably, the top of the mobile base is fixedly connected with a placing box, and the bottom of the mobile base is provided with four mobile wheels.

[0015] Compared with the prior art, the PICC catheterization arm support improved structure has the following beneficial effects:

[0016] First, the electric telescopic rod allows for height adjustment of the support plate to adapt to different usage needs. The fixed plate connects the electric telescopic rod and the rotating shaft, which allows the support plate to rotate, increasing its flexibility and facilitating adjustment by patients or medical staff to the angle between the patient's arm abducted and the torso (45°-90°) before puncture. The forearm fixation assembly includes a forearm support plate with a sponge pad in the groove at the top to improve patient comfort. The top binding strap is used to secure the forearm. An upper arm support seat, made of rubber, is also fixedly connected to the right side of the top of the support plate to place the patient's upper arm, further enhancing patient comfort. The fastening assembly includes a vertical rod with a bidirectional threaded rod inside, with clamps threaded to the positive and negative threads respectively. By rotating the first lever at the bottom, the clamps can be moved closer or further apart, thus clamping or releasing the fixed plate to fix the support plate. The ends of the clamps that are close together have anti-slip textures to increase the stability of the fixation.

[0017] Secondly, the movable base is equipped with four casters for easy movement of the entire support frame. A storage box is also fixedly connected to the top for storing medicines or other necessary items. A connecting rod is fixedly connected to the right side of the pivot, and a U-shaped support plate is fixedly connected to the right side of the connecting rod. A one-way screw is threaded into the threaded hole at the bottom of the U-shaped support plate. When the support plate is raised to the desired position, the U-shaped support frame is aligned with the edge of the hospital bed and secured to the edge of the bed. By rotating the second lever at the bottom, the pressure plate at the top can be moved upwards and to the bottom of the hospital bed, further securing the entire support frame. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the improved PICC placement arm support of this utility model;

[0019] Figure 2 This is a schematic diagram of the right side of the improved structure of the PICC placement arm support of this utility model;

[0020] Figure 3 This is a schematic diagram of the front cross-section of the fastening component.

[0021] Figure 4 This utility model Figure 3 Enlarged structural diagram at point A in the middle.

[0022] The components include: 1. Movable base; 2. Electric telescopic rod; 3. Fixed plate; 4. Rotating shaft; 5. Support plate; 6. Vertical rod; 7. Two-way screw; 8. Clamping plate; 9. First turn handle; 10. Forearm support plate; 11. Sponge pad; 12. Binding strap; 13. Upper arm placement seat; 14. Connecting rod; 15. U-shaped support plate; 16. One-way screw; 17. Pressure plate; 18. Second turn handle; 19. Placement box; 20. Moving wheels. DETAILED DESCRIPTION

[0023] The utility model will be described in further detail in combination with the drawings.

[0024] Please refer to Figure 1 、 Figure 2 、 Figure 3 And Figure 4 A PICC catheterization arm support improved structure, including mobile base 1, the top of mobile base 1 is fixedly connected with electric telescopic rod 2, the top of electric telescopic rod 2 is fixedly connected with fixed disc 3, the top of fixed disc 3 is fixedly connected with rotating shaft 4, and rotating shaft 4 is rotatably connected with support plate 5 at the top.

[0025] The top of support plate 5 is fixedly connected with forearm fixing assembly for fixing the forearm of patient, and the bottom of support plate 5 is fixedly connected with fastening assembly for fixing support plate 5.

[0026] Fastening assembly includes vertical rod 6, vertical groove is formed in the right side of vertical rod 6, and bidirectional screw rod 7 is rotatably arranged in the vertical groove, the surface of the positive and negative threads of bidirectional screw rod 7 is respectively screw-connected with clamping plate 8, the bottom of bidirectional screw rod 7 is movably penetrated through vertical rod 6 and extends to the outside, and the bottom of bidirectional screw rod 7 is fixedly connected with first rotating handle 9.

[0027] The end of two clamping plates 8 close to each other is provided with anti-skid lines, and two clamping plates 8 are slidably arranged in the vertical groove.

[0028] Forearm fixing assembly includes forearm supporting plate 10, the

[0029] Top is provided with supporting groove, and the inner wall of supporting groove is provided with sponge pad 11, and the top of forearm supporting plate 10 is provided with binding belt 12 for fixing forearm.

[0030] The right side of the top of support plate 5 is fixedly connected with upper arm placing seat 13, and the material of upper arm placing seat 13 is rubber material.

[0031] Through the technical scheme, the electric telescopic rod 2 can realize height adjustment of the support plate 5 to adapt to different use requirements, the fixing disc 3 is used for connecting the electric telescopic rod 2 and the rotating shaft 4, the rotating shaft 4 enables the support plate 5 to rotate, and the flexibility of use is increased, so that the patient or the medical staff can adjust the patient's arm to be 45°-90° with the trunk before puncture, the forearm fixing assembly comprises the forearm supporting plate 10, the sponge pad 11 is arranged in the supporting groove at the top of the supporting plate 10, the comfort of the patient can be improved, the forearm of the patient is placed, the binding belt at the top is used for fixing the forearm, the upper arm placing seat 13 is further fixedly connected to the right side of the top of the support plate 5, the upper arm of the patient is placed, the material is rubber, and the comfort of the patient is also improved, the fastening assembly comprises the vertical rod 6, the bidirectional screw rod 7 in the vertical rod 6 is threadedly connected with the clamping plates 8 on the front and back screw thread surfaces respectively, the clamping plates 8 can be moved close to or away from each other by rotating the first rotating handle 9 at the bottom, so that the clamping plates 8 clamp or release the fixing disc 3, and the fixing of the support plate 5 is realized, and the end, where the clamping plates 8 are close to each other, is provided with anti-skid lines to increase the stability of the fixing.

[0032] Please refer to Figure 1 , Figure 2 and Figure 3 , the improved structure of the PICC catheterization arm support, the connecting rod 14 is fixedly connected to the right side of the rotating shaft 4, the U-shaped support plate 15 is fixedly connected to the right side of the connecting rod 14, the screw hole is formed in the bottom of the U-shaped support plate 15, the one-way screw rod 16 is threadedly connected in the screw hole, the pressing plate 17 is rotatably connected to the top of the one-way screw rod 16, and the second rotating handle 18 is rotatably arranged at the bottom of the one-way screw rod 16.

[0033] The top of the movable base 1 is fixedly connected with the placing box 19, and the bottom of the movable base 1 is provided with four movable wheels 20.

[0034] Through the technical scheme, the movable base 1 is provided with four movable wheels 20, the overall movement of the support is facilitated, the top is further fixedly connected with the placing box 19 for placing medicines or other required articles, the connecting rod 14 is fixedly connected to the right side of the rotating shaft 4, the U-shaped support plate 15 is fixedly connected to the right side of the connecting rod 14, the one-way screw rod 16 is threadedly connected in the screw hole in the bottom of the U-shaped support plate 15, when the support plate 5 is lifted to the required position, the U-shaped support plate is aligned with the bedside of the sickbed, the U-shaped support plate is clamped on the bedside of the sickbed, the pressing plate 17 at the top is moved upward and is located at the bottom of the sickbed by rotating the second rotating handle 18 at the bottom, and the overall support is further fixed.

[0035] Although the specific embodiments of the present application have been shown and described, it is understood that various modifications, substitutions, replacements and changes can be made to the specific embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An improved structure of PICC catheterization arm support, comprising a mobile base (1), characterized in that: The top of the mobile base (1) is fixedly connected with an electric telescopic rod (2), the top of the electric telescopic rod (2) is fixedly connected with a fixed disc (3), the top of the fixed disc (3) is fixedly connected with a rotating shaft (4), and the top of the rotating shaft (4) is rotatably connected with a supporting plate (5). The top of the supporting plate (5) is fixedly connected with a forearm fixing assembly for fixing the forearm of a patient, and the bottom of the supporting plate (5) is fixedly connected with a fastening assembly for fixing the supporting plate (5).

2. The PICC catheter arm support improved structure according to claim 1, characterized in that: The fastening assembly comprises a vertical rod (6), a vertical groove is formed in the right side of the vertical rod (6), a bidirectional screw rod (7) is rotatably arranged in the vertical groove, the front and rear threads of the bidirectional screw rod (7) are respectively threadedly connected with clamping plates (8), the bottom of the bidirectional screw rod (7) movably penetrates through the vertical rod (6) and extends to the outside, and the bottom of the bidirectional screw rod (7) is fixedly connected with a first rotating handle (9).

3. The PICC catheter arm support improved structure according to claim 2, characterized in that: The end of each of the two clamping plates (8) close to each other is provided with an anti-skid pattern, and the two clamping plates (8) are slidably arranged in the vertical groove.

4. The PICC catheter arm support improved structure according to claim 1, characterized in that: The forearm fixing assembly comprises a forearm supporting plate (10), a supporting groove is formed in the top of the forearm supporting plate (10), a sponge pad (11) is arranged on the inner wall of the supporting groove, and the top of the forearm supporting plate (10) is provided with a binding belt (12) for fixing the forearm.

5. The PICC catheter arm support improved structure according to claim 1, characterized in that: The right side of the top of the supporting plate (5) is fixedly connected with an upper arm placing seat (13), and the material of the upper arm placing seat (13) is rubber material.

6. The PICC catheter arm support improvement structure according to claim 1, characterized in that: The right side of the rotating shaft (4) is fixedly connected with a connecting rod (14), the right side of the connecting rod (14) is fixedly connected with a U-shaped supporting plate (15), a threaded hole is formed in the bottom of the U-shaped supporting plate (15), a one-way screw rod (16) is threadedly connected in the threaded hole, the top of the one-way screw rod (16) is rotatably connected with a pressing plate (17), and the bottom of the one-way screw rod (16) is rotatably provided with a second rotating handle (18).

7. The PICC catheter arm support improved structure according to claim 1, characterized in that: The top of the mobile base (1) is fixedly connected with a placing box (19), and the bottom of the mobile base (1) is provided with four mobile wheels (20).

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