CN210130897U - Removable radial artery puncture arm fixation device - Google Patents

Abstract

The utility model relates to a movable radial artery puncture arm fixing device, its characterized in that: the hand support device comprises a support frame, a hand support plate, a heightening device, a hand restraint belt and an arm restraint belt, wherein the support frame comprises a base and a support rod, the lower end of the support rod is inserted into the base, and the hand support plate is fixedly arranged at the upper end of the support rod; the heightening device is installed on the hand supporting plate and comprises an adjusting bolt, a pad body and a hand wheel, wherein a vertically penetrating threaded hole is formed in the hand supporting plate, the adjusting bolt is screwed in the threaded hole, the pad body is fixedly installed at the upper end of the adjusting bolt, and the hand wheel is fixedly installed at the lower end of the adjusting bolt; the hand restraint strap is arranged at the front part of the hand supporting plate, and the arm restraint strap is arranged at the rear part of the hand supporting plate. The utility model discloses the structure is ingenious, reasonable in design, and convenient to use can make the puncture field of vision fully expose, firmly retrains patient's arm, makes things convenient for the operator puncture, has reduced the demand of assisting the operator, reduces the misery that the patient punctured repeatedly.

Description

Removable radial artery puncture arm fixation device

technical field

The utility model relates to a movable radial artery puncturing arm fixing device used in the puncturing of an arterial indwelling needle for patients in the intensive care department, belonging to the technical field of medical devices.

Background technique

At present, invasive arterial blood pressure monitoring by arterial puncture and catheterization is widely used in hospital anesthesiology and critical care medicine departments. When performing arterial indwelling needle puncture, some restless patients will not cooperate, and even those who cooperate will have unconscious avoidance and affect the puncture. Therefore, in order to fully expose the puncture field, provide the puncture with a good puncture position, and improve the success rate of a puncture, when the anesthesiologist performs puncture on the operating table, usually, the anesthesiologist will use the side of the operating table with a stretchable support When puncturing the radial artery, place a bandage roll or gauze wrap under the wrist to make the artery closer to the skin, and wrap the bandage around the patient's palm firmly to prevent it from moving. However, since the side of the bed in the intensive care department does not have a support plate on the operating bed that can be stretched to put the arm, the method of raising the wrist and fixing the palm cannot be used to improve the success rate of a puncture during puncture. In addition, the support plate on the existing operating bed only has the function of supporting the arm. For the fixation of the arm and the palm, additional bandages are required. When the wrist is raised, a bandage roll or a gauze bag is also required, which is very inconvenient to operate and has poor stability. work efficiency. Therefore, it is necessary to design a radial artery puncture arm fixation device suitable for use on a hospital bed.

SUMMARY OF THE INVENTION

The purpose of the utility model is to overcome the deficiencies in the prior art, and to provide a movable radial artery puncture arm fixing device with ingenious structure, reasonable design and convenient use.

According to the technical solution provided by the present utility model: a movable radial artery puncture arm fixing device, which is characterized in that it includes a support frame, a hand support board, a booster, a hand restraint belt and an arm restraint belt, and the support frame includes a base and a support rod, the lower end of the support rod is inserted in the base, and the hand plate is fixedly installed on the upper end of the support rod; The handle plate is provided with a vertically penetrating threaded hole, the adjusting bolt is screwed into the threaded hole, the cushion body is fixedly installed on the upper end of the adjusting bolt, and the handwheel is fixedly installed on the lower end of the adjusting bolt; The hand restraint belt is arranged on the front part of the hand board, and the arm restraint belt is arranged on the rear part of the hand board.

As a further improvement of the present invention, the upper surface of the pallet is provided with a concave portion extending along its length direction.

As a further improvement of the present invention, the handle board includes a front board body and a rear board body, the rear end of the front board body is provided with a telescopic insert rod parallel to the axial direction of the front board body, and the front end of the rear board body is provided with a telescopic rod parallel to the axial direction of the front board body. The telescopic socket is parallel to the axial direction of the rear plate body, and the telescopic insertion rod is movably inserted into the telescopic socket.

As a further improvement of the present invention, the front plate body and the rear plate body are also provided with a telescopic adjustment mechanism, and the telescopic adjustment mechanism includes an adjustment screw rod, a screw nut seat, a fixed seat and an adjustment handwheel. It is fixedly installed at the bottom of the front plate body, the fixing seat is fixedly installed at the bottom of the rear plate body, the threaded section at the front of the adjusting screw is threaded in the screw socket, and the polished rod section at the rear of the adjusting screw is rotated and installed on the fixed screw. Inside the seat, an adjusting handwheel is installed at the rear end of the adjusting screw.

As a further improvement of the present utility model, a scale is provided on the telescopic insertion rod.

As a further improvement of the present invention, the cushion body is a soft cotton pad, the four corners of the cushion body are arc-shaped, the thickness of the cushion body gradually decreases from the middle to the two ends, and the upper surface of the cushion body is set as a concave arc.

As a further improvement of the present invention, the hand restraint belt and the arm restraint belt are elastic belts with Velcro or buckle.

As a further improvement of the present invention, a front belt frame is installed on the bottom surface of the front part of the hand plate, a rear belt frame is installed on the bottom surface of the rear part of the hand plate, and long grooves are opened on the front belt frame and the rear belt frame. The hand restraint belt is passed through the long groove on the front belt frame, and the arm restraint belt is passed through the long groove on the rear belt frame.

As a further improvement of the present invention, an auxiliary fixing mechanism is also provided on the support frame, and the auxiliary fixing mechanism includes a U-shaped clamping body, a clamping bolt, a clamping seat, a clamping handwheel and a locking handwheel, The U-shaped clamping body is provided with a vertical rod penetration hole and a locking threaded hole communicating with the vertical rod penetration hole, the support rod is penetrated in the vertical rod penetration hole, and the locking threaded hole is arranged in the vertical rod penetration hole. A locking screw is assembled, and a locking handwheel is installed at the outer end of the locking screw; the clamping bolt is vertically arranged and threadedly installed on the lower end of the U-shaped clamping body, and a clamping seat is installed at the upper end of the clamping bolt to clamp Install the clamping handwheel on the lower end of the bolt.

As a further improvement of the present invention, the upper end of the clamping bolt is provided with a ball head, the clamping seat is provided with a spherical cavity, and a universal ball joint is formed between the upper end of the clamping bolt and the clamping seat.

Compared with the prior art, the utility model has the following advantages:

1) The utility model is ingenious in structure and reasonable in design, and can be easily moved and placed at a suitable position beside the hospital bed. The hand support board can support the patient's arm, and the lifter can raise the patient's wrist and can be flexibly adjusted, so that the artery is closer to the skin. , The hand restraint belt and arm restraint belt can restrain and fix the patient's palm and arm to prevent it from moving, so that the puncture field is fully exposed, and the patient's arm is firmly restrained, which is more convenient for the operator to puncture and reduces the number of assisting operations. It can reduce the pain of repeated puncture of patients.

2) The upper surface of the hand support plate in the present invention is provided with a concave portion, and the concave portion is consistent with the physiological shape of the human arm, so that the patient's arm can be more comfortable and stable when placed on the hand support plate.

3) The overall length of the hand support plate in the present invention can be flexibly adjusted according to the length of the patient's arm, which improves the comfort of the patient and is also beneficial for medical staff to operate.

4) The supporting frame in the present invention is further provided with an auxiliary fixing mechanism, through which the supporting rod can be connected with the frame of the hospital bed to improve the stability of the supporting frame.

Description of drawings

FIG. 1 is a front view of the structure of Embodiment 1 of the present invention.

FIG. 2 is a top view of the structure of Embodiment 1 of the present invention.

FIG. 3 is a cross-sectional view taken along line A-A in FIG. 1 .

FIG. 4 is a front view of the structure of Embodiment 2 of the present invention.

Description of reference numerals: 1-support frame, 1.1-base, 1.2-support rod, 2-hand plate, 2a-depression, 2.1-front plate body, 2.2-rear plate body, 2.2a- telescopic jack, 2.3- Telescopic insert rod, 3- Elevator, 3.1- Adjusting bolt, 3.2- Cushion body, 3.3- Hand wheel, 4- Hand restraint belt, 5- Arm restraint belt, 6- Adjusting screw rod, 7- Nut seat , 8-fixed seat, 9-adjustment handwheel, 10-front belt frame, 11-rear belt frame, 12-U-shaped clamping body, 13-clamping bolt, 13a-ball head, 14-clamping seat, 15 -Clamping handwheel, 16-locking handwheel.

Detailed ways

The utility model will be further described below in conjunction with the specific drawings and embodiments.

Example 1

As shown in FIGS. 1 to 3 , Embodiment 1 discloses a movable radial artery puncture arm fixing device, including a support frame 1 , a hand support plate 2 , a booster 3 , a hand restraint belt 4 and an arm restraint belt 5. The support frame 1 includes a base 1.1 and a support rod 1.2, the lower end of the support rod 1.2 is inserted in the base 1.1, the hand plate 2 is fixedly installed on the upper end of the support rod 1.2; On the hand plate 2, the booster 3 includes an adjusting bolt 3.1, a pad body 3.2 and a hand wheel 3.3, the hand plate 2 is provided with a threaded hole that penetrates vertically, and the adjusting bolt 3.1 is screwed into the threaded hole, The pad body 3.2 is fixedly installed on the upper end of the adjusting bolt 3.1, and the hand wheel 3.3 is fixedly installed on the lower end of the adjusting bolt 3.1; The rear of the pallet 2.

In clinical use, place the product at a suitable position beside the patient bed, place the patient's arm on the hand support board 2, and then adjust the height of the pad body 3.2 in the booster 3 through the handwheel 3.3 to raise the wrist so that the The artery is brought closer to the skin, and then the patient's palm and arm are restrained with hand restraint 4 and arm restraint 5 to prevent movement. In this way, the nurses in the intensive care department can fully expose the puncture field and firmly restrain the patient's arm when performing the arterial indwelling needle puncture, which is more convenient for the operator to puncture, reduces the need to assist the operator, and reduces the pain of repeated puncture of the patient.

As shown in FIG. 3 , in Embodiment 1, the upper surface of the pallet 2 is provided with a concave portion 2a extending along the length direction thereof. In this way, the recessed portion 2a matches the physiological shape of the human arm, and the patient's arm can be more comfortable and stable when placed on the hand rest 2 .

As shown in Fig. 1 and Fig. 2, in this embodiment 1, the hand board 2 includes a front board body 2.1 and a rear board body 2.2, and the rear end of the front board body 2.1 is provided with a parallel to the axial direction of the front board body 2.1. The telescopic insertion rod 2.3, the front end of the rear plate body 2.2 is provided with a telescopic insertion hole 2.2a parallel to the axial direction of the rear plate body 2.2, and the telescopic insertion rod 2.3 is movably inserted into the telescopic insertion hole 2.2a. With this arrangement, the overall length of the hand support board 2 can be adjusted according to the length of the patient's arm during use, thereby improving the comfort of the patient and facilitating the operation by medical staff. The telescopic insertion rod 2.3 is provided with a scale, which can record accurate data for a certain patient during use, and is convenient to quickly and accurately adjust in place when used next time.

As shown in FIG. 1 , in this embodiment 1, the front plate body 2.1 and the rear plate body 2.2 are also provided with a telescopic adjustment mechanism, and the telescopic adjustment mechanism includes an adjustment screw 6, a screw nut seat 7, a fixed seat 8 and Adjusting handwheel 9, the nut seat 7 is fixedly installed at the bottom of the front plate body 2.1, the fixing seat 8 is fixedly installed at the bottom of the rear plate body 2.2, and the threaded section at the front of the adjusting screw 6 is threadedly connected to the nut In the seat 7 , the polished rod section at the rear of the adjusting screw 6 is rotatably installed in the fixed seat 8 , and the adjusting handwheel 9 is installed at the rear end of the adjusting screw 6 . In this way, the adjusting screw 6 is driven to rotate by rotating the adjusting handwheel 9 under the rear plate body 2.2, and the adjusting screw 6 then drives the screw nut seat 7 and the front plate body 2.1 to move forward or backward, so as to realize the whole holding plate 2. Precise adjustment of length.

As shown in Figure 1 and Figure 2, in this embodiment 1, the pad body 3.2 is preferably a soft cotton pad, the four corners of the pad body 3.2 are arc-shaped, and the thickness of the pad body 3.2 gradually decreases from the middle to the two ends. The upper surface of the pad body 3.2 is set in a concave arc shape. In this way, discomfort to the patient can be avoided, and the comfort of the patient can be improved. Both the hand restraint belt 4 and the arm restraint belt 5 preferably use elastic belts with Velcro or buckles, so that the loose adjustment of the restraint belts can be easily realized.

As shown in FIG. 2 , in the first embodiment, a front belt frame 10 is installed on the bottom surface of the front part of the hand board 2 , a rear belt frame 11 is installed on the bottom surface of the rear part of the hand board 2 , the front belt frame 10 and the rear belt frame are installed 11 are provided with long grooves, the hand restraint belt 4 is passed through the long groove on the front belt frame 10 , and the arm restraint belt 5 is passed through the long groove on the rear belt frame 11 . The bottom of the base 1 is provided with casters with brakes, which can improve the convenience of moving the product.

Example 2

As shown in FIG. 4 , Embodiment 2 discloses a movable radial artery puncture arm fixing device, which is different from Embodiment 1 in that the support frame 1 further includes an auxiliary fixing mechanism, and the supporting frame can be supported by the auxiliary fixing mechanism. The rod 1.2 is connected with the frame of the hospital bed to improve the stability of the support frame 1 .

As shown in FIG. 4 , in the second embodiment, the auxiliary fixing mechanism is mainly composed of a U-shaped clamping body 12 , a clamping bolt 13 , a clamping seat 14 and a clamping hand wheel 15 . 12 is provided with a vertical piercing hole and a locking threaded hole communicating with the vertical piercing hole, the support rod 1.2 is penetrated in the vertical piercing hole, and a locking screw is assembled in the locking threaded hole , a locking handwheel 16 is installed on the outer end of the locking screw; the clamping bolt 13 is vertically arranged and threadedly installed on the lower end of the U-shaped clamping body 12; A clamping handwheel 15 is installed on the lower end of the bolt 13 . In this way, in clinical use, after the support frame 1 is adjusted in place, move the U-shaped clamping body 12 up and down, so that the U-shaped clamping body 12 is stuck on the frame of the hospital bed, and then tighten the clamping handwheel 15 to make the U-shaped clamping body 12 clamped. The body 12 is firmly fixed on the frame of the hospital bed; the locking hand wheel 16 is then tightened against the support rod 1.2, thereby realizing the auxiliary fixation of the support frame 1.

As shown in FIG. 4 , in the second embodiment, the upper end of the clamping bolt 13 is provided with a ball head 13 a, the clamping seat 14 is provided with a spherical cavity, and the space between the upper end of the clamping bolt 13 and the clamping seat 14 is Universal ball catch. With this arrangement, the applicable scope of the auxiliary fixing mechanism can be improved.

The above descriptions are only preferred embodiments of the present invention, and the above-mentioned specific embodiments are not intended to limit the present invention. Within the scope of the technical idea of the present invention, various deformations and modifications may occur, and all modifications, modifications or equivalent replacements made by those of ordinary skill in the art according to the above descriptions belong to the scope of protection of the present invention.

Claims (10)

1. Movable radial artery puncture arm fixing device, its characterized in that: the hand support device comprises a support frame (1), a hand support plate (2), a heightening device (3), a hand restraint belt (4) and an arm restraint belt (5), wherein the support frame (1) comprises a base (1.1) and a support rod (1.2), the lower end of the support rod (1.2) is inserted into the base (1.1), and the hand support plate (2) is fixedly installed at the upper end of the support rod (1.2); the heightening device (3) is installed on the hand supporting plate (2), the heightening device (3) comprises an adjusting bolt (3.1), a pad body (3.2) and a hand wheel (3.3), a vertically penetrating threaded hole is formed in the hand supporting plate (2), the adjusting bolt (3.1) is screwed in the threaded hole, the pad body (3.2) is fixedly installed at the upper end of the adjusting bolt (3.1), and the hand wheel (3.3) is fixedly installed at the lower end of the adjusting bolt (3.1); the hand restraint strap (4) is arranged at the front part of the hand supporting plate (2), and the arm restraint strap (5) is arranged at the rear part of the hand supporting plate (2).

2. The portable radial artery puncture arm fixation device of claim 1, wherein: the upper surface of the hand supporting plate (2) is provided with a sunken part (2a) extending along the length direction.

3. The portable radial artery puncture arm fixation device of claim 1 or 2, wherein: the hand supporting plate (2) comprises a front plate body (2.1) and a rear plate body (2.2), wherein the rear end of the front plate body (2.1) is provided with a telescopic insertion rod (2.3) parallel to the axial direction of the front plate body (2.1), the front end of the rear plate body (2.2) is provided with a telescopic insertion hole (2.2a) parallel to the axial direction of the rear plate body (2.2), and the telescopic insertion rod (2.3) is movably inserted into the telescopic insertion hole (2.2 a).

4. The portable radial artery puncture arm fixation device of claim 3, wherein: preceding plate body (2.1) still are provided with flexible adjustment mechanism with back plate body (2.2), flexible adjustment mechanism includes accommodate the lead screw (6), screw seat (7), fixing base (8) and adjusting hand wheel (9), plate body (2.1) bottom in the front of screw seat (7) fixed mounting, fixing base (8) fixed mounting is in back plate body (2.2) bottom, the anterior screw thread section threaded connection of accommodate the lead screw (6) is in screw seat (7), and the polished rod section at accommodate the lead screw (6) rear portion rotates and installs in fixing base (8), accommodate the lead screw (6) rear end installation adjusting hand wheel (9).

5. The portable radial artery puncture arm fixation device of claim 3, wherein: scales are arranged on the telescopic insertion rod (2.3).

6. The portable radial artery puncture arm fixation device of claim 1, wherein: the cushion body (3.2) is a soft cotton cushion, four corners of the cushion body (3.2) are arc-shaped, the thickness of the cushion body (3.2) is gradually reduced from the middle part to two ends, and the upper surface of the cushion body (3.2) is concave arc-shaped.

7. The portable radial artery puncture arm fixation device of claim 1, wherein: the hand restraint strap (4) and the arm restraint strap (5) are elastic straps with magic tapes or buckles.

8. The portable radial artery puncture arm fixation device of claim 7, wherein: the hand support device is characterized in that a front belt frame (10) is mounted on the bottom surface of the front portion of the hand support plate (2), a rear belt frame (11) is mounted on the bottom surface of the rear portion of the hand support plate (2), long grooves are formed in the front belt frame (10) and the rear belt frame (11), the hand restraint belt (4) is arranged in the long groove in the front belt frame (10) in a penetrating mode, and the arm restraint belt (5) is arranged in the long groove in the rear belt frame (11) in a penetrating mode.

9. The portable radial artery puncture arm fixation device of claim 1, wherein: the supporting frame (1) is further provided with an auxiliary fixing mechanism, the auxiliary fixing mechanism comprises a U-shaped clamping body (12), a clamping bolt (13), a clamping seat (14), a clamping hand wheel (15) and a locking hand wheel (16), the U-shaped clamping body (12) is provided with a vertical rod penetrating hole and a locking threaded hole communicated with the vertical rod penetrating hole, the supporting rod (1.2) is arranged in the vertical rod penetrating hole in a penetrating mode, a locking screw rod is assembled in the locking threaded hole, and the locking hand wheel (16) is installed at the outer end of the locking screw rod; the clamping bolt (13) is vertically arranged and is installed at the lower end part of the U-shaped clamping body (12) in a threaded mode, the upper end of the clamping bolt (13) is provided with a clamping seat (14), and the lower end of the clamping bolt (13) is provided with a clamping hand wheel (15).

10. The portable radial artery puncture arm fixation device of claim 9, wherein: the ball head (13a) is arranged at the upper end of the clamping bolt (13), the spherical cavity is arranged in the clamping seat (14), and the universal ball joint is arranged between the upper end of the clamping bolt (13) and the clamping seat (14).

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