Mobile radial artery puncture and catheterization fixation frame

Abstract

This utility model provides a mobile radial artery puncture and catheter placement fixation frame, including a support plate, a connecting rod, a palm fixation strap, an inflatable wrist support module, a rotation adjustment module, a fixing rod, and a positioning bolt. The connecting rod is located at the bottom of the support plate along its length. The middle part of the palm fixation strap is movably and adjustablely fitted onto the connecting rod, and both ends of the palm fixation strap extend out from both sides of the support plate. The two ends of the palm fixation strap are fixedly connected together in an adjustable position, and the palm fixation strap is used to fix the patient's palm. The inflatable wrist support module is movably and adjustablely located on the support plate, and the inflatable wrist support module is used to elevate the patient's wrist. The rotation adjustment module is located at the bottom of the support plate and is used to adjust the angle of the support plate. The fixing rod is connected to the rotation adjustment module and is located below the support plate. The fixing rod has a limiting groove for the movable infusion rod to be inserted. The positioning bolt passes through the fixing rod and can extend into the limiting groove.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to a mobile radial artery puncture and catheter placement fixation frame. Background Technology

[0002] Radial artery puncture and catheterization is a crucial procedure in anesthesia and surgery. Its success depends not only on the skill level of the surgeon but also on the stability of the patient's wrist fixation and the appropriate height of wrist elevation (5-8 cm). Excessive or insufficient wrist elevation can make it difficult for the surgeon to locate the obvious arterial pulsation point, resulting in puncture failure.

[0003] Currently, the common method for securing the radial artery during intraoperative radial artery puncture and catheterization is to abduct the upper limb onto a hand support, with the arm extended horizontally at a 20° angle and the palm facing upwards, and then simply secure it with adhesive tape. Simultaneously, gauze or a sterile drape is placed under the patient's wrist to maintain a slightly extended wrist joint. However, this method has limitations. For example, securing the palm solely with adhesive tape is not secure enough; in some conscious patients, wrist movement due to puncture pain can loosen the tape, altering the radial artery's position and leading to puncture failure. Furthermore, the use of gauze or a sterile drape under the wrist restricts the flexibility of adjusting its thickness, potentially causing insufficient or excessive wrist elevation, thus complicating puncture.

[0004] More importantly, traditional hand supports rely on the operating table. When there is no operating table in the pre-anesthesia room and recovery room, patients are operated on on the transfer bed. Without a hand support, it is more difficult to fix the patient, which increases the difficulty of puncture, increases the failure rate of puncture, and increases the patient's pain.

[0005] Therefore, it is necessary to provide a mobile radial artery puncture and catheter placement fixation device to solve the above problems. Utility Model Content

[0006] The purpose of this invention is to provide a mobile radial artery puncture and catheterization fixation frame that is applicable to different types of beds and can increase the success rate of puncture and catheterization.

[0007] To achieve the above objectives, this utility model provides a mobile radial artery puncture and catheter placement fixation frame, including a support plate, a connecting rod, a palm fixation strap, an inflatable wrist cushion module, a rotation adjustment module, a fixing rod, and positioning bolts. The support plate is used to support the patient's upper limb. The connecting rod is disposed at the bottom of the support plate along its length. The middle part of the palm fixation strap is movably and adjustablely fitted onto the connecting rod, and both ends of the palm fixation strap extend out from both sides of the support plate. The connection position of both ends of the palm fixation strap is adjustable. The components are fixedly connected together. The palm fixing strap is used to fix the patient's palm. The inflatable wrist support module is movably and adjustablely mounted on the support plate. The inflatable wrist support module is used to elevate the patient's wrist. The rotation adjustment module is located at the bottom of the support plate and is used to adjust the angle of the support plate. The fixing rod is connected to the rotation adjustment module and is located below the support plate. The fixing rod is provided with a limiting slot for the movable infusion rod to be inserted. The positioning bolt passes through the fixing rod and can extend into the limiting slot.

[0008] Preferably, one end of the palm fixing strap is provided with a first hook and loop fastener female surface structure, and the other end of the palm fixing strap is provided with a first hook and loop fastener female surface structure. By adjusting the pasting position of the first hook and loop fastener female surface structure and the first hook and loop fastener female surface structure, the connection position of the two ends of the palm fixing strap can be adjusted.

[0009] Preferably, the inflatable wrist support module includes an air cushion body, an inflation assembly, and a retaining strap. The air cushion body is used to elevate the patient's wrist. The air cushion body is connected to the inflation assembly. The two retaining straps are respectively fixed to both sides of the air cushion body. The two retaining straps are detachably connected together and secured to the support plate. The air cushion body is inflated by the inflation assembly to raise the patient's wrist height.

[0010] Preferably, the inflation assembly includes a first air tube, a control valve, a second air tube, and a press-to-inflate bladder. One end of the first air tube is connected to the interior of the air cushion body, and the other end of the first air tube is connected to the control valve. One end of the second air tube is connected to the control valve, and the other end of the second air tube is connected to the press-to-inflate bladder.

[0011] Preferably, the control valve is a three-way valve.

[0012] Preferably, one of the gathering straps has a second hook and loop fastener female structure, and the other gathering strap has a second hook and loop fastener female structure, the second hook and loop fastener female structure and the second hook and loop fastener female structure are detachably attached together to position the inflatable wrist rest module on the support plate.

[0013] Preferably, the rotary adjustment module includes a ball joint, a first connecting seat, and an adjusting nut. The upper end of the ball joint is fixedly connected to the support plate, and the first connecting seat is fixedly connected to the fixing rod. The upper end of the first connecting seat is provided with an insertion hole space. The ball head of the ball joint is rotatably inserted into the insertion hole space. The adjusting nut passes through the lower end of the first connecting seat and is threadedly connected to the first connecting seat. By rotating the adjusting nut, the adjusting nut can tighten or loosen the ball head of the ball joint located in the insertion hole space, thereby locking or releasing the ball head of the ball joint.

[0014] Preferably, the upper end of the ball head is further provided with a second connecting seat, which is fixed to the bottom of the support plate.

[0015] Preferably, the fixing rod is provided with a locking member, and the limiting slot is formed in the locking member.

[0016] Compared with existing technologies, the mobile radial artery puncture and catheter placement fixation frame of this utility model does not rely on an operating table. The fixing rod can be fixed to the side of the operating table as needed, or it can be secured to the mobile infusion rod using the limiting slot of the fixing rod, and locked together with the positioning bolt. Therefore, it can be used on transport beds, ward beds, pre-anesthesia beds, etc., making the mobile radial artery puncture and catheter placement fixation frame of this utility model suitable for different types of beds. Furthermore, the mobile radial artery puncture and catheter placement fixation frame of this utility model features a palm-mounted fixing mechanism. The fixed strap, inflatable wrist support module, and rotating adjustment module allow for adjustment of the palm fixation strap and inflatable wrist support module's position on the support plate, as well as the angle of the support plate's position via the rotating adjustment module. This enables the puncture angle to be adjusted according to different hand shapes, hand lengths, and operator habits. It not only firmly fixes the palm, preventing the puncture point from shifting, but also provides the optimal upward angle for the patient's wrist using the inflatable wrist support module, making it easier for the operator to palpate the radial artery pulsation and increasing the success rate of puncture and catheterization. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the mobile radial artery puncture and catheter placement fixation frame of this utility model.

[0018] Figure 2 This is a top view of the mobile radial artery puncture and catheter placement fixation frame of this utility model at the support plate position.

[0019] Figure 3 This is a partial structural diagram of the mobile radial artery puncture and catheter placement fixation frame of this utility model.

[0020] Figure 4 This is a three-dimensional structural diagram of the inflatable wrist cushion module of the mobile radial artery puncture and catheter placement fixation frame of this utility model. Detailed Implementation

[0021] To explain the technical content and structural features of this utility model in detail, the following description is provided in conjunction with the embodiments and accompanying drawings.

[0022] Please see Figures 1 to 3 The present invention relates to a mobile radial artery puncture and catheter placement fixation frame, comprising a support plate 1, a connecting rod 2, a palm fixation strap 3, an inflatable wrist cushion module 4, a rotation adjustment module 5, a fixing rod 6, and positioning bolts 7. The support plate 1 is used to support the patient's upper limb; the connecting rod 2 is disposed at the bottom of the support plate 1 along its length; the middle part of the palm fixation strap 3 is movably and adjustablely fitted onto the connecting rod 2, and both ends of the palm fixation strap 3 extend from both sides of the support plate 1, with the connection positions of the two ends of the palm fixation strap 3 adjustable. The components are fixedly connected together. The palm fixing strap 3 is used to fix the patient's palm. The inflatable wrist pillow module 4 is movably and adjustablely set on the support plate 1. The inflatable wrist pillow module 4 is used to lift the patient's wrist. The rotation adjustment module 5 is set at the bottom of the support plate 1 and is used to adjust the angle of the support plate 1. The fixing rod 6 is connected to the rotation adjustment module 5 and is located below the support plate 1. The fixing rod 6 is provided with a limiting slot 61 for the moving infusion rod to be inserted. The positioning bolt 7 passes through the fixing rod 6 and can extend into the limiting slot 61.

[0023] The patient's upper limb can be placed on the support plate 1 and fixedly connected at both ends by the palm fixation strap 3, which can properly fix the patient's palm, making it less likely for the palm and puncture point to move. At the same time, by inflating the inflatable wrist support pillow module 4, an individualized and appropriate height adjustment method is provided for raising the patient's wrist, making it easier for the operator to feel the arterial pulse and increasing the success rate of radial artery puncture and catheterization. In addition, the movable and adjustable design of the palm fixation strap 3 allows it to be fixed in a suitable position according to the length of the patient's arm. Furthermore, the angle of the support plate 1 can be adjusted by rotating the adjustment module 5, so that the orientation of the patient's hand can be adjusted and fixed as needed.

[0024] Please see Figure 1 and Figure 2 In one embodiment, one end of the palm fixation strap 3 is provided with a first hook and loop fastener female surface structure, and the other end of the palm fixation strap 3 is provided with a first hook and loop fastener female surface structure. By adjusting the adhesion position of the first hook and loop fastener female surface structure and the first hook and loop fastener female surface structure, the connection position of the two ends of the palm fixation strap 3 can be adjusted. By adopting a reusable hook and loop fastener design, the palm fixation strap 3 can provide a suitable and secure fixation method according to the size and thickness of the patient's palm.

[0025] Please see Figure 1 and Figure 4In one embodiment, the inflatable wrist support module 4 includes an air cushion body 41, an inflation assembly 42, and a retaining strap 43. The air cushion body 41 is used to elevate the patient's wrist. The air cushion body 41 is connected to the inflation assembly 42. Two retaining straps 43 are respectively fixed to both sides of the air cushion body 41 and are detachably connected together and secured to the support plate 1. The air cushion body 41 is inflated by the inflation assembly 42 to raise the patient's wrist height. Specifically, the inflation assembly 42 includes a first air tube 421, a control valve 422, a second air tube 423, and a press-to-inflate bladder 424. One end of the first air tube 421 communicates with the interior of the air cushion body 41, and the other end of the first air tube 421 is connected to the control valve 422. One end of the second air tube 423 is connected to the control valve 422, and the other end of the second air tube 423 is connected to the press-to-inflate bladder 424. The air cushion body 41 can be inflated by continuously pressing the air bladder 424.

[0026] In one embodiment, the control valve 422 is a three-way valve. The three-way valve can adjust the inflation level of the air cushion body 41 according to the different thicknesses of the patient's wrist, providing an individualized optimal elevation height for the patient's wrist, making it easier for the operator to feel the radial artery pulsation and improving the success rate of radial artery puncture and catheterization. Simultaneously, the inflatable air cushion body 41 has straps 43 on both sides, allowing the inflatable wrist support module 4 to be flexibly adjusted according to the position of the patient's wrist.

[0027] In one embodiment, one of the gathering straps 43 is provided with a second hook and loop fastener female structure, and the other gathering strap 43 is provided with a second hook and loop fastener female structure. The second hook and loop fastener female structure and the second hook and loop fastener female structure are detachably attached together to position the inflatable wrist rest module 4 on the support plate 1.

[0028] Please see Figure 1 , Figure 3 and Figure 4In one embodiment, the rotary adjustment module 5 includes a ball head post 51, a first connecting seat 52, and an adjusting nut 53. The upper end of the ball head post 51 is fixedly connected to the support plate 1, and the first connecting seat 52 is fixedly connected to the fixing rod 6. The upper end of the first connecting seat 52 is provided with an insertion hole space 521. The ball head of the ball head post 51 is rotatably inserted into the insertion hole space 521. The adjusting nut 53 passes through the lower end of the first connecting seat 52 and is threadedly connected to the first connecting seat 52. By rotating the adjusting nut 53, the adjusting nut 53 can tighten or loosen the ball head of the ball head post 51 located in the insertion hole space 521, so as to lock or release the ball head of the ball head post 51. It is understood that the lower end of the first connecting seat 52 is provided with a threaded hole communicating with the insertion space 521. The adjusting nut 53 is inserted into the threaded hole. By turning the adjusting nut 53, the adjusting nut 53 is inserted into the insertion space 521 and presses against the ball head of the ball joint 51, or the adjusting nut 53 is removed from the insertion space 521 and the ball head of the ball joint 51 is loosened. Specifically, the upper end of the ball joint 51 is also provided with a second connecting seat 54, which is fixed to the bottom of the support plate 1.

[0029] When the adjusting nut 53 tightens against the ball head of the ball joint 51, the adjusting nut 53 locks the ball head of the ball joint 51, locking the angular position of the ball joint 51 relative to the first connecting seat 52, and thus locking the angle of the tray 1. When it is necessary to adjust the angle of the tray 1, the adjusting nut 53 is loosened, causing the adjusting nut 53 to release the ball head of the ball joint 51, allowing the ball head of the ball joint 51 to rotate 360 ​​degrees within the insertion space 521 of the first connecting seat 52, thereby adjusting the angle position of the tray 1. After adjusting the tray 1 to the desired angle position, the adjusting nut 53 is tightened, causing the adjusting nut 53 to tighten against the ball head of the ball joint 51, thereby locking the ball head of the ball joint 51, and thus locking the angle position of the tray 1. Therefore, by setting the rotation adjustment module 5, the angle and direction of the tray 1 can be adjusted as needed, thereby adjusting and fixing the direction of the patient's hand support as desired. At the same time, it can adapt to the operating habits of different doctors and meet the requirements of doctors for different puncture angles.

[0030] However, the rotation adjustment module 5 is not limited to the above structure. For example, the rotation adjustment module 5 can also adopt a rotation adjustment structure similar to that of an existing mobile phone holder.

[0031] Please see Figure 1 In one embodiment, the fixing rod 6 is provided with a locking member 62, and a limiting groove 61 is formed in the locking member 62.

[0032] Combination Figures 1 to 4 The working principle of the mobile radial artery puncture and catheter placement fixation frame of this utility model is as follows:

[0033] Place the patient's upper limb on the support plate 1. Adjust the angle of the support plate 1 as needed by rotating the adjustment module 5. Adjust the position of the inflatable wrist cushion module 4 according to the position of the patient's wrist. Position the inflatable wrist cushion module 4 on the support plate 1 through the strap 43 of the inflatable wrist cushion module 4, so that the air cushion body 41 is placed under the patient's wrist. Then, inflate the air cushion body 41 through the inflation component 42 according to the thickness of the patient's wrist, so that the wrist is raised to a suitable height. Then adjust the position of the palm fixation strap 3 to fix the palm, and then the radial artery puncture and catheterization operation can be performed.

[0034] In summary, the mobile radial artery puncture and catheterization fixation frame of this utility model does not rely on the operating table. The fixing rod 6 can be fixed to the side of the operating table as needed, or it can be locked onto the mobile infusion rod using the limiting slot 61 of the fixing rod 6, and the fixing rod 6 and the mobile infusion rod can be locked together by the positioning bolt 7. Therefore, it can be used on transport beds, ward beds, pre-anesthesia beds, etc. Thus, the mobile radial artery puncture and catheterization fixation frame of this utility model is applicable to different types of beds. Secondly, the mobile radial artery puncture and catheterization fixation frame of this utility model, by setting up a palm fixation strap 3, an inflatable wrist cushion module 4, and a rotation adjustment module 5, allows for adjustment of the position of the palm fixation strap 3 and the inflatable wrist cushion module 4 on the support plate 1, as well as the angle of the support plate 1 by adjusting the rotation adjustment module 5. This enables the puncture angle to be adjusted at will according to different hand shapes, hand lengths, and different operator habits. It not only firmly fixes the palm, making it less likely for the puncture point to move, but also provides the patient's wrist with the optimal elevation angle using the inflatable wrist cushion module 4, making it easier for the operator to feel the radial artery pulsation and increasing the success rate of puncture and catheterization. Furthermore, the palm fixation strap 3 and the inflatable wrist cushion module 4 of the mobile radial artery puncture and catheterization fixation frame of this utility model are both designed to be detachable, which facilitates disinfection and reuse without increasing costs or patient expenses. Disposable towels can also be placed on top of the air cushion body 41 of the inflatable wrist cushion module 4, with one towel per patient to ensure hygiene.

[0035] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Therefore, any equivalent variations made in accordance with the scope of the present utility model application shall still fall within the scope of the present utility model.

Claims

1. A mobile radial artery puncture catheterization fixing frame, characterized in that, include: Support board, the support board being used to support the patient's upper limb; A connecting rod is provided at the bottom of the tray along the length direction of the tray; A palm fixation strap, wherein the middle part of the palm fixation strap is movably and adjustablely fitted onto the connecting rod, and the two ends of the palm fixation strap extend from both sides of the support plate respectively, and the two ends of the palm fixation strap are fixedly connected together in an adjustable connection position, and the palm fixation strap is used to fix the patient's palm. An inflatable wrist support module is movably and adjustably mounted on the support plate and is used to elevate the patient's wrist. A rotation adjustment module is disposed at the bottom of the tray and is used to adjust the angle of the tray; A fixing rod is connected to the rotary adjustment module and located below the tray. The fixing rod is provided with a limiting groove for the movable infusion rod to be inserted. A positioning bolt, which passes through the fixing rod and can extend into the limiting slot.

2. The mobile radial artery puncture and catheter placement fixation frame according to claim 1, characterized in that, One end of the palm fixing strap is provided with a first hook and loop fastener female surface structure, and the other end of the palm fixing strap is provided with a first hook and loop fastener female surface structure. By adjusting the sticking position of the first hook and loop fastener female surface structure and the first hook and loop fastener female surface structure, the connection position of the two ends of the palm fixing strap can be adjusted.

3. The mobile radial artery puncture catheterization holder of claim 1, wherein, The inflatable wrist support module includes an air cushion body, an inflation component, and a retaining strap. The air cushion body is used to elevate the patient's wrist. The air cushion body is connected to the inflation component. The two retaining straps are respectively fixed to both sides of the air cushion body. The two retaining straps are detachably connected together and secured to the support plate. The air cushion body is inflated by the inflation component to raise the patient's wrist height.

4. The mobile radial artery puncture catheterization holder of claim 3, wherein, The inflation assembly includes a first air tube, a control valve, a second air tube, and a press-to-inflate bladder. One end of the first air tube is connected to the interior of the air cushion body, and the other end of the first air tube is connected to the control valve. One end of the second air tube is connected to the control valve, and the other end of the second air tube is connected to the press-to-inflate bladder.

5. The mobile radial artery puncture catheterization holder of claim 4, wherein, The control valve is a three-way valve.

6. The mobile radial artery puncture catheterization holder of claim 3, wherein, One of the gathering straps has a second hook and loop fastener female structure, and the other gathering strap has a second hook and loop fastener female structure. The second hook and loop fastener female structure and the second hook and loop fastener female structure are detachably attached together to position the inflatable wrist rest module on the support plate.

7. The mobile radial artery puncture catheterization holder of claim 1, wherein, The rotary adjustment module includes a ball joint, a first connecting seat, and an adjusting nut. The upper end of the ball joint is fixedly connected to the support plate, and the first connecting seat is fixedly connected to the fixing rod. The upper end of the first connecting seat is provided with an insertion hole space. The ball head of the ball joint is rotatably inserted into the insertion hole space. The adjusting nut passes through the lower end of the first connecting seat and is threadedly connected to the first connecting seat. By rotating the adjusting nut, the adjusting nut can tighten or loosen the ball head of the ball joint located in the insertion hole space, thereby locking or releasing the ball head of the ball joint.

8. The mobile radial artery puncture catheterization holder of claim 7, wherein, The upper end of the ball head column is also provided with a second connecting seat, which is fixed to the bottom of the support plate.

9. The mobile radial artery puncture catheterization holder of claim 1, wherein, The fixing rod is provided with a locking component, and the limiting slot is formed in the locking component.

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