Multifunctional arm bracket for interventional operation

By designing a multifunctional arm support, the problem of inconvenient arm fixation and bleeding caused by the narrow operating table of DSA equipment was solved. It achieved stable support for the arm and prevented bleeding, thus improving the comfort and safety of the operation.

CN223731697UActive Publication Date: 2025-12-30GENERAL HOSPITAL OF THE NORTHERN WAR ZONE OF THE CHINESE PEOPLES LIBERATION ARMY
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Patent Information

Application Number
CN202422524121.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-17
Publication Date
2025-12-30
Estimated Expiration
2034-10-17

AI Technical Summary

Technical Problem

The operating table design of existing DSA equipment is narrow, which makes it inconvenient for patients to place and fix their arms, affecting the comfort and safety of the operation. In addition, bleeding may affect the operator and the progress.

Method used

A multifunctional arm support was designed, comprising a pressure plate, a support plate mechanism, a rotary joint, a locking mechanism, and a hand support and fixation mechanism. The support plate mechanism is stably fixed through the cooperation of the rotary joint and the locking mechanism. An arm support plate and an instrument placement plate are provided, and a hand pad and self-adhesive elastic band are provided to ensure the stability of the arm and surgical instruments and prevent bleeding.

Benefits of technology

It achieves stable placement and support for the patient's arm, improving surgical comfort and safety, preventing bleeding, saving space, and being easy to use.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223731697U_ABST
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Abstract

The utility model relates to a multifunctional arm bracket for an interventional operation. The multifunctional arm bracket comprises a pressing plate, a supporting plate mechanism, a rotating joint, a locking mechanism and a hand supporting and fixing mechanism, the two ends of one side of the pressing plate are rotationally connected with the supporting plate mechanism through rotating joints respectively, a locking mechanism is installed below the pressing plate, and when the supporting plate mechanism rotates to the same horizontal position as the pressing plate, the supporting plate mechanism and the pressing plate are locked and fixed through the locking mechanism; the supporting plate mechanism comprises an arm lifting plate body and an instrument placing plate body which are integrally formed front and back, a strip-shaped hole is formed in the arm lifting plate body in the length direction, and the hand supporting and fixing mechanism comprises a hand base plate, a wrist bandage, a hand bandage and a second locking nut. According to the utility model, during an interventional operation, the arms of a patient can be stably placed and supported, the comfort of the arms and the whole body of the patient is improved, the errhysis condition of an operator during operation can be prevented, the safety of the operation is improved, and the interventional operation support has the advantages of convenience in use and space saving.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical apparatus and instruments, especially relates to a multifunctional arm bracket for interventional operation. BACKGROUND

[0002] At present, when a large digital subtraction angiography (DSA) device is used to perform a cardiac coronary angiography and an interventional operation on a patient, a vascular access is usually established through a radial artery approach. After a radial artery puncture and implantation of a radial sheath tube are completed, the patient's arm needs to be stretched flat and slightly extended, while the arm is kept as still as possible.

[0003] However, the current DSA device has a relatively narrow operating bed design, which brings inconvenience to the placement and fixation of the patient's arm. The interventional operation usually lasts for a long time, and as the operation proceeds, the patient's arm and the overall comfort level gradually decrease. Some patients may unconsciously move their arms due to soreness, and if the puncture side arm is not properly fixed, the patient is also prone to restlessness, body shaking and other conditions, and even has the risk of falling off the bed, which is not conducive to the success of the puncture operation and the safety of the patient. In addition, during the operation, when the operator adjusts the tail end valve of the catheter, the bleeding may directly leak and drip onto the operator's feet, which not only affects the operation, but also affects the overall progress and safety of the interventional operation. SUMMARY

[0004] To solve the above problems, the utility model provides a multifunctional arm bracket for interventional operation.

[0005] To achieve the above purpose, the utility model adopts the technical scheme of a multifunctional arm bracket for interventional operation, which comprises a pressing plate, a supporting plate mechanism, a rotating joint, a locking mechanism and a hand supporting and fixing mechanism.

[0006] One side of the pressing plate is rotatably connected to the supporting plate mechanism through the rotating joint at both ends, and the locking mechanism is installed below the pressing plate. When the supporting plate mechanism is rotated to the same horizontal position as the pressing plate, the supporting plate mechanism and the pressing plate are locked and fixed by the locking mechanism.

[0007] The supporting plate mechanism comprises a front and rear integrally formed arm lifting plate body and an instrument placing plate body, and the width of the arm lifting plate body is greater than that of the instrument placing plate body. An arm stop flange and a transition connecting flange are extended upward along the outer side of the arm lifting plate body, and an instrument stop flange is extended upward along the outer side of the instrument placing plate body. The height of the arm stop flange is greater than that of the instrument stop flange, and the front and rear ends of the transition connecting flange are connected to the arm stop flange and the instrument stop flange, respectively, so as to transitionally connect the arm stop flange and the instrument stop flange.

[0008] A strip-shaped hole is arranged on the arm lifting plate body along the length direction, the hand supporting and fixing mechanism comprises a hand pad, a wrist strap, a hand strap and a second locking nut, the wrist strap and the hand strap are arranged on the hand pad, a plurality of threaded holes are arranged below the hand pad, the positions of the threaded holes correspond to the positions of the strip-shaped holes, the number of the second locking nuts is equal to the number of the threaded holes, the second locking nuts pass through the strip-shaped holes upwards and are connected with the threaded holes through threads, when the second locking nut is loosened, the hand pad moves along the strip-shaped hole forwards and backwards, when the hand pad is moved to a suitable position, the second locking nut is tightened to fix the hand pad on the arm lifting plate body.

[0009] Further, the pressing plate is a rectangular plate body, and a connecting hole is arranged at each corner of the pressing plate.

[0010] Further, the locking mechanism comprises a locking plate, a locking pin shaft and a first locking nut, the locking plate is long strip-shaped, the lower surface of the pressing plate is provided with a locking pin shaft mounting hole, one end of the locking plate is provided with a through hole, the top end of the locking pin shaft passes through the through hole of the locking plate and is mounted in the locking pin shaft mounting hole, the bottom end of the locking pin shaft is connected with the first locking nut through threads, and the lower surface of the side of the arm lifting plate body connected with the pressing plate is provided with a stop block for limiting the locking plate; in the non-locking state, the first locking nut is loosened, the locking plate is rotated to below the pressing plate, and then the first locking nut is tightened to be locked and fixed; in the locking state, the first locking nut is loosened, the locking plate is rotated to be in contact with the stop block, and then the first locking nut is tightened, so that the locking plate is transversely arranged below the arm lifting plate body and the pressing plate, supports the supporting plate mechanism and makes the supporting plate mechanism and the pressing plate maintain at the same horizontal position.

[0011] Further, the rotary joint comprises a first folding leaf, a folding leaf pin shaft and a second folding leaf, one end of the first folding leaf is fixed with the supporting plate mechanism, the second folding leaf is fixed with the pressing plate, and the other end of the first folding leaf and the other end of the second folding leaf are connected with the folding leaf pin shaft respectively.

[0012] Further, the arm stop flange comprises a first transition arc-shaped part and a first vertical part which are integrally formed, and the upper and lower ends of the first transition arc-shaped part are connected with the first vertical part and the arm lifting plate body respectively; the instrument stop flange comprises a second transition arc-shaped part and a second vertical part which are integrally formed, and the upper and lower ends of the second transition arc-shaped part are connected with the second vertical part and the instrument placing plate body respectively.

[0013] Further, the pressing plate, the arm lifting plate body, the instrument placing plate body and the hand pad are made of metal or plastic materials.

[0014] Further, the wrist strap and the hand strap are made of self-adhesive elastic bands.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The utility model discloses a pressing plate can be fixed on the operating bed, and the cooperation of the rotation joint and the locking mechanism between the supporting plate mechanism and the pressing plate, the supporting plate mechanism can keep horizontal and lock with the pressing plate through rotation when using, guarantee the stability of supporting plate mechanism when operating, and when the non -use state, the supporting plate mechanism can be put down through rotation when the locking mechanism is not locked, save the space.

[0017] The utility model discloses setting up arm lifting plate body and instrument placing plate body, and setting up arm stop flanging and instrument stop flanging respectively. Arm lifting plate body can support the arm of patient, and simultaneously, arm stop flanging can block the arm of patient, prevent the arm from falling down;Instrument placing plate body can be used to place surgical instrument, and instrument stop flanging can prevent instrument from sliding down in the operation process while not affecting the operation of the operator.

[0018] In addition, the utility model also sets up hand pad plate, and the hand of patient is placed above hand pad plate, and hand pad plate can prevent bleeding from directly leaking and dripping to the foot of operator in the operation process. Meanwhile, wrist band and hand band on hand pad plate can further fix the hand of patient, and adopt self -adhesion elastic band design, which is convenient to wear and has good elasticity, can ensure the stability of hand of patient in the operation process, and improve the comfort degree of patient.

[0019] In conclusion, the utility model realizes that the arm of patient can be stably placed and supported when interventional operation, improves the comfort degree of arm and whole body of patient, can also prevent the bleeding condition from happening when the operator operates, improves the safety of operation, and has convenient to use, saves the advantage of space. ACCURACY OF DRAWINGS

[0020] Figure 1 It is the schematic diagram of the multifunctional arm support structure for interventional operation of the utility model;

[0021] Figure 2 It is the bottom structure schematic diagram of the multifunctional arm support for interventional operation of the utility model and is in the locked state;

[0022] Figure 3 It is the structure schematic diagram of the supporting plate mechanism of the utility model;

[0023] Figure 4 It is the bottom structure schematic diagram of the supporting plate mechanism of the utility model;

[0024] Figure 5 It is the structure schematic diagram of arm stop flanging of the utility model;

[0025] Figure 6 It is the structure schematic diagram of instrument stop flanging of the utility model;

[0026] Figure 7 It is the locking mechanism structure schematic view of the utility model;

[0027] Figure 8 It is the pressing plate bottom structure schematic view of the utility model;

[0028] Figure 9 It is the structure schematic view of the multifunctional arm bracket for interventional operation when in non-use state, and the supporting plate mechanism is rotated and put down.

[0029] In the figure, 1, pressing plate; 11, connecting hole; 12, locking pin shaft mounting hole;

[0030] 2, supporting plate mechanism; 21, arm supporting plate body; 22, arm stop flange; 221, first transition arc-shaped part; 213, first vertical part; 23, instrument placing plate body; 24, instrument stop flange; 241, second transition arc-shaped part; 242, second vertical part; 25, strip-shaped hole; 26, locking plate stop block; 27, transition connecting baffle;

[0031] 3, rotary joint; 31, first folding leaf; 32, folding leaf pin shaft; 33, second folding leaf;

[0032] 4, locking mechanism; 41, locking plate; 42, first locking nut; 43, locking pin shaft;

[0033] 5, hand supporting and fixing mechanism; 51, hand pad plate; 511, inclined plane; 512, arc surface; 52, wrist band; 53, hand band; 54, second locking nut. DETAILED DESCRIPTION

[0034] The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0035] Embodiment

[0036] As Figures 1-9 shown, a multifunctional arm bracket for interventional operation includes a pressing plate 1, a supporting plate mechanism 2, a rotary joint 3, a locking mechanism 4 and a hand supporting and fixing mechanism 5.

[0037] One side of the pressing plate 1 is rotatably connected to the supporting plate mechanism 2 through the rotary joint 3 at both ends, and the locking mechanism 4 is installed below the pressing plate 1; when the supporting plate mechanism 2 is rotated to the same horizontal position as the pressing plate 1, the supporting plate mechanism 2 is locked and fixed with the pressing plate 1 through the locking mechanism 4.

[0038] The said supporting plate mechanism 2 includes front and rear integrally formed arm lifting plate body 21 and instrument placing plate body 23, and the width of the arm lifting plate body 21 is greater than the width of the instrument placing plate body 23, and the arm stopping flange 22 and the transition connecting baffle 27 are arranged upwardly along the outside of the arm lifting plate body 21, and the instrument stopping flange 24 is arranged upwardly along the outside of the instrument placing plate body 23, the height of the arm stopping flange 22 is greater than the height of the instrument stopping flange 24, and the front and rear ends of the transition connecting baffle 27 are connected with the arm stopping flange 22 and the instrument stopping flange 24 respectively, and the arm stopping flange 22 and the instrument stopping flange 24 are transitionally connected through the transition connecting baffle 27.

[0039] The strip-shaped hole 25 is arranged along the length direction on the arm lifting plate body 21, the said hand supporting and fixing mechanism 5 includes hand pad plate 51, wrist band 52, hand band 53 and second locking nut 54, the wrist band 52 and the hand band 53 are installed on the hand pad plate 51, the wrist band 52 is used for fixing the wrist of the patient (the binding position of the wrist band 52 needs to avoid the puncture position to avoid affecting the puncture operation), the hand band 53 is used for fixing the palm of the patient and the patient can bend the palm to grab the hand band 53, a plurality of threaded holes are arranged below the hand pad plate 51, the positions of the threaded holes correspond to the positions of the strip-shaped holes 25, the number of the second locking nuts 54 is equal to the number of the threaded holes, and the second locking nuts 54 are upwardly threaded through the strip-shaped holes 25 and are connected with the threaded holes through threads, when the second locking nuts 54 are loosened, the hand pad plate 51 moves forwardly and rearwardly along the strip-shaped holes 25, when the hand pad plate 51 is moved to a suitable position, the second locking nuts 54 are tightened to fix the hand pad plate 51 on the arm lifting plate body 21.

[0040] The lower surface of the hand pad plate 51 is a plane and can move on the arm lifting plate body 21, one side of the upper surface of the hand pad plate 51 is an inclined plane 511 and the other side is a downwardly concave arc surface 512, the arrangement of the inclined plane 511 and the arc surface 512 facilitates the placement of the wrist and the hand and improves the comfort.

[0041] The pressing plate 1 is a rectangular plate body, and one connecting hole 11 is arranged at each corner of the pressing plate 1. The positions of the four connecting holes 11 are all located outside the locking mechanism 4, so that when the pressing plate 1 is fixed on the operating bed, the locking mechanism 4 has an operation space.

[0042] The locking mechanism 4 comprises a locking plate 41, a locking pin 43 and a first locking nut 42. The locking plate 41 is long strip-shaped. The lower surface of the pressing plate 1 is provided with a locking pin mounting hole 12. One end of the locking plate 41 is provided with a through hole. The top end of the locking pin 43 penetrates through the through hole of the locking plate 41 and is mounted in the locking pin mounting hole 12. The bottom end of the locking pin 43 is threadedly connected with the first locking nut 42. The lower surface of the side of the arm lifting plate body 21 connected with the pressing plate 1 is provided with a stop block for limiting the locking plate 41. In the non-locking state, the first locking nut 42 is loosened, the locking plate 41 is rotated to below the pressing plate 1, and then the first locking nut 42 is tightened to be locked and fixed. In the locking state, the first locking nut 42 is loosened, the locking plate 41 is rotated to contact the stop block, and then the first locking nut 42 is tightened, so that the locking plate 41 is transversely placed below the arm lifting plate body 21 and the pressing plate 1, supports the supporting plate mechanism 2 and maintains the supporting plate mechanism 2 and the pressing plate 1 at the same horizontal position.

[0043] The rotating joint 3 comprises a first folding leaf 31, a folding pin 32 and a second folding leaf 33. One end of the first folding leaf 31 is fixed with the supporting plate mechanism 2. The second folding leaf 33 is fixed with the pressing plate 1. The other end of the first folding leaf 31 and the other end of the second folding leaf 33 are respectively connected with the folding pin 32.

[0044] The arm stop flange 22 comprises a first transition arc-shaped part 221 and a first vertical part 222 which are integrally formed. The upper and lower ends of the first transition arc-shaped part 221 are respectively connected with the first vertical part 222 and the arm lifting plate body 21. The instrument stop flange 24 comprises a second transition arc-shaped part 241 and a second vertical part 242 which are integrally formed. The upper and lower ends of the second transition arc-shaped part 241 are respectively connected with the second vertical part 242 and the instrument placing plate body 23.

[0045] The pressing plate 1, the arm lifting plate body 21, the instrument placing plate body 23 and the hand pad plate 51 are all made of metal or high-strength plastic material.

[0046] The wrist strap 52 and the hand strap 53 are all made of self-adhesive elastic bands. The self-adhesive elastic bands are easy to tie, loosen and adjust the tightness. At the same time, soft materials which are water-resistant and easy to clean can be used to prevent sweat and blood stains from polluting and to be easy to disinfect and clean.

[0047] The utility model discloses a hand arm support device for interventional operation, which comprises a supporting plate mechanism 2, a pressing plate 1, a locking mechanism 4, an arm lifting plate body 21, a hand pad plate 51, a second locking nut 54, an arm stop turnup 22, an instrument placing plate body 23 and an instrument stop turnup 24.

[0048] The utility model discloses a hand arm support device for interventional operation, which comprises a supporting plate mechanism 2, a pressing plate 1, a locking mechanism 4, an arm lifting plate body 21, a hand pad plate 51, a second locking nut 54, an arm stop turnup 22, an instrument placing plate body 23 and an instrument stop turnup 24.

[0049] Although the utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to the person skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model belong to the scope of the utility model.

Claims

1. A multi-functional arm support for an interventional procedure, characterized by, The device comprises a pressing plate, a supporting plate mechanism, a rotary joint, a locking mechanism and a hand supporting and fixing mechanism. Two ends of one side of the pressing plate are respectively connected with the supporting plate mechanism through the rotary joint, and the locking mechanism is installed below the pressing plate. The supporting plate mechanism comprises front and rear integrally formed arm lifting plate body and instrument placing plate body, and the width of the arm lifting plate body is greater than that of the instrument placing plate body. A strip-shaped hole is arranged on the arm lifting plate body along the length direction.

2. The multi-functional arm support for interventional procedures of claim 1, wherein, The hand supporting and fixing mechanism comprises a hand pad, a wrist band, a hand band and a second locking nut.

3. The multi-functional arm support for interventional procedures of claim 1, wherein, The pressing plate is a rectangular plate body, and one connecting hole is arranged at each corner of the pressing plate.

4. The multi-functional arm support for interventional procedures of claim 1, wherein, The locking mechanism comprises a locking plate, a locking pin shaft and a first locking nut.

5. The multi-functional arm support for interventional procedures of claim 1, wherein, The rotary joint comprises a first folding leaf, a folding leaf pin shaft and a second folding leaf. The arm stopping flange comprises an integrally formed first transition arc-shaped part and a first vertical part. The instrument stopping flange comprises an integrally formed second transition arc-shaped part and a second vertical part.

6. The multi-functional arm support for interventional procedures of claim 1, wherein, The pressing plate, the arm lifting plate body, the instrument placing plate body and the hand pad plate are made of metal or plastic.

7. The multi-functional arm support for interventional procedures of claim 1, wherein, The wrist band and the hand band are made of self-adhesive elastic bands.