Radial artery puncture flexible positioning device

Abstract

The utility model discloses a flexible positioning device for radial artery puncture, and relates to the technical field of radial artery puncture positioning. The problems that in the prior art, only the arm of a patient can be fixed to a designated position, and the arm fixing position of the patient cannot be adjusted according to the position of the radial artery of the patient are solved. A flexible positioning device for radial artery puncture comprises a base plate, a first protection layer is arranged on the outer surface of the base plate, a limiting belt is fixed to the lower surface of the base plate, an arm fixing belt, a palm fixing belt and a supporting fixing belt are movably installed between the limiting belt and the base plate, and the supporting fixing belt is arranged between the arm fixing belt and the palm fixing belt. And a supporting structure is fixedly mounted on the supporting and fixing belt. According to the flexible positioning device for radial artery puncture, the arm fixing band, the palm fixing band and the supporting fixing band can be moved according to the position of the radial artery of a patient, use is more flexible, the arm of the patient can be reinforced, the patient is prevented from being stabbed to move in the puncture process, and the positioning effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of radial artery puncture positioning, in particular to a radial artery puncture flexible positioning device. Background Art

[0002] The radial artery is one of the terminal branches of the brachial artery and is slightly smaller than the ulnar artery. The radial artery is about 21.2 cm long and has an outer diameter of about 0.3 cm at the beginning. After the brachial artery is separated, it runs outward and downward, first between the brachioradialis and the pronator teres, then between the radial flexor carpi and the brachioradialis, to the lower end of the radius, obliquely through the deep surface of the tendons of the abductor pollicis longus and the extensor pollicis brevis to the back of the hand and enter the anterior nasopharyngeal fossa, through the first metacarpal space into the deep part of the palm, and after the main thumb artery is separated, it is anastomosed with the deep palmar branch of the ulnar artery to form a deep palmar arch. The radial artery is shallow between the lower end of the radius and the radial flexor carpi tendon, which is an ideal position for palpation and puncture. The patent with the authorization announcement number CN215606130U discloses a radial artery puncture positioning device, including a device body, and the outer walls of both sides of the device body are fixedly connected with Velcro mother surfaces, one side of the Velcro mother surface is bonded with elastic band 1, and the other side of the Velcro mother surface is bonded with elastic band 2. The patient's radial styloid is aligned with the radial styloid positioning line of the locator, the wrist joint is dorsiflexed, and the movable positioning ruler is moved according to the cross positioning method, facing the vertical line of the puncture point on the movable positioning ruler. The patient's radial styloid positioning line moves 0.5cm toward the elbow joint, corresponding to a horizontal positioning line of the puncture point. A horizontal line is made from the horizontal positioning line of the puncture point to the inner side of the front wall. The intersection of the two lines is the puncture site. The puncture needle is slowly inserted into the radial artery along the ruler at an angle of 30 to 45 degrees. The bright red color of the blood return indicates that the puncture is successful. The puncture position is accurately positioned, which is convenient for medical staff to perform puncture operations quickly and accurately, and the puncture efficiency is high. However, when fixing the patient's arm, the device can only fix the patient's arm in a specified position, and cannot adjust the patient's arm fixing position according to the position of the patient's radial artery. It is not flexible enough to use and can no longer meet the needs of modern people. In view of these defects, it is necessary to design a flexible positioning device for radial artery puncture. Utility Model Content

[0003] The purpose of the utility model is to provide a flexible positioning device for radial artery puncture, which can not only prevent the arm fixing belt, the palm fixing belt and the support fixing belt from moving during use, thereby affecting the puncture effect of the patient, but also can move the arm fixing belt, the palm fixing belt and the support fixing belt according to the position of the patient's radial artery, so that the use is more flexible, the patient's arm can be reinforced, and the patient can be prevented from moving due to pain during the puncture process, thereby improving the positioning effect and solving the problems in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flexible positioning device for radial artery puncture, comprising a pad, an arm fixing strap and a palm fixing strap, the outer surface of the pad is provided with a first protective layer, a limiting strap is fixed to the lower surface of the pad, an arm fixing strap, a palm fixing strap and a supporting fixing strap are movably installed between the limiting strap and the pad, the supporting fixing strap is arranged between the arm fixing strap and the palm fixing strap, a supporting structure is fixedly installed on the supporting fixing strap, and the supporting structure is arranged on the upper surface of the pad.

[0005] Preferably, the supporting structure includes a supporting plate, a second protective layer, an adjustment groove, a fixing structure and a limiting groove. The outer surface of the supporting plate is provided with a second protective layer, the side of the supporting plate is provided with an adjustment groove, the bottom of the adjusting groove is provided with a limiting groove, and a fixing structure is installed in the adjusting groove.

[0006] Preferably, the fixing structure includes a fixing strap, an adjustment seat and a limit block, two fixing straps are provided, and the two fixing straps are cross-arranged, the fixing straps are fixed on the adjustment seat, and a limit block is provided at the bottom of the adjustment seat.

[0007] Preferably, the adjustment seat is installed in the adjustment groove, the limit block is arranged in the limit groove, and the support plate is cylindrical.

[0008] Preferably, the inner sides of the fixing strap, the arm fixing strap, the palm fixing strap and the support fixing strap are all provided with Velcro thorn surfaces.

[0009] Preferably, the second protective layer has the same structure as the first protective layer, the first protective layer comprises a sponge pad and a Velcro surface, the sponge pad is arranged closely against the backing plate, and the surface of the sponge pad is provided with a Velcro surface.

[0010] Preferably, the arm fixing strap, palm fixing strap and support fixing strap are all elastic straps, and the width of the arm fixing strap is wider than that of the palm fixing strap.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The flexible positioning device for radial artery puncture is connected by a Velcro stab surface and a Velcro fleece surface, which can not only prevent the arm fixing strap, the palm fixing strap and the support fixing strap from moving during use and affecting the puncture effect of the patient, but also can move the arm fixing strap, the palm fixing strap and the support fixing strap according to the position of the patient's radial artery, so that the use is more flexible, and the patient's arm can be reinforced by bonding the Velcro stab surface on the fixing strap to the Velcro fleece surface on the support plate, so as to prevent the patient from moving due to pain during the puncture process, thereby improving the positioning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the bottom structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the support structure of the utility model;

[0016] Figure 4 It is a schematic diagram of the fixing structure of the utility model;

[0017] Figure 5 This is a schematic diagram of the first protective layer structure of the utility model.

[0018] In the figure: 1. pad; 2. arm fixing strap; 3. palm fixing strap; 4. support structure; 41. support plate; 42. second protective layer; 43. adjustment slot; 44. fixing structure; 441. Velcro thorn surface; 442. fixing strap; 443. adjustment seat; 444. limit block; 45. limit slot; 5. first protective layer; 51. sponge pad; 52. Velcro fleece surface; 6. support fixing strap; 7. limit strap. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In order to solve the technical problem that the existing radial artery puncture positioning device can only fix the patient's arm at a specified position when fixing the patient's arm, and cannot adjust the patient's arm fixing position according to the position of the patient's radial artery, and is not flexible enough to use, please refer to Figure 1-Figure 5 , this embodiment provides the following technical solutions:

[0021] A flexible positioning device for radial artery puncture comprises a pad 1, an arm fixing belt 2 and a palm fixing belt 3, the outer surface of the pad 1 is provided with a first protective layer 5, a limiting belt 7 is fixed to the lower surface of the pad 1, the limiting belt 7 is provided to limit the arm fixing belt 2, the palm fixing belt 3 and the supporting fixing belt 6, to prevent the arm fixing belt 2, the palm fixing belt 3 and the supporting fixing belt 6 from falling off during use, thus affecting normal use, the arm fixing belt 2, the palm fixing belt 3 and the supporting fixing belt 6 are movably installed between the limiting belt 7 and the pad 1, the supporting fixing belt 6 is arranged between the arm fixing belt 2 and the palm fixing belt 3, a supporting structure 4 is fixedly installed on the supporting fixing belt 6, the supporting structure 4 is arranged on the upper surface of the pad 1, and the supporting structure 4 comprises a supporting plate 41 , a second protective layer 42, an adjusting groove 43, a fixing structure 44 and a limiting groove 45. The outer surface of the support plate 41 is provided with a second protective layer 42, an adjusting groove 43 is opened on the side of the support plate 41, a limiting groove 45 is provided at the bottom of the adjusting groove 43, a fixing structure 44 is installed in the adjusting groove 43, and the fixing structure 44 includes a fixing strap 442, an adjusting seat 443 and a limiting block 444. Two fixing straps 442 are provided, and the two fixing straps 442 are cross-arranged. The fixing strap 442 is fixed on the adjusting seat 443. A limiting block 444 is provided at the bottom of the adjusting seat 443. The adjusting seat 443 is installed in the adjusting groove 43. The limiting block 444 is arranged in the limiting groove 45. The support plate 41 is cylindrical, and the fixing strap 442, the arm fixing strap 2, and the palm fixing strap The inner sides of the fixing strap 3 and the supporting fixing strap 6 are both provided with a Velcro thorn surface 441, and the Velcro thorn surface 441 on the arm fixing strap 2, the palm fixing strap 3 and the supporting fixing strap 6 can fix the arm fixing strap 2, the palm fixing strap 3 and the supporting fixing strap 6 on the pad 1, so as to avoid the arm fixing strap 2, the palm fixing strap 3 and the supporting fixing strap 6 from moving during use, thereby affecting the puncture effect of the patient; at the same time, by bonding the Velcro fur surface 52 to the Velcro thorn surface 441, it is convenient to move the arm fixing strap 2, the palm fixing strap 3 and the supporting fixing strap 6, and can be adjusted accordingly according to the position of the patient's radial artery, so that it is more flexible to use; and the Velcro thorn surface 441 on the fixing strap 442 is bonded to the Velcro fur surface 52 on the supporting plate 41, so as to adjust the patient's arm The second protective layer 42 has the same structure as the first protective layer 5. The first protective layer 5 includes a sponge pad 51 and a Velcro surface 52. The sponge pad 51 is arranged close to the pad 1. The surface of the sponge pad 51 is provided with a Velcro surface 52. The sponge pad 51 makes the patient's arm softer and more comfortable when fixed on the pad 1 and the support structure 4, reducing the patient's discomfort. The arm fixing belt 2, the palm fixing belt 3 and the support fixing belt 6 are all elastic belts, and the width of the arm fixing belt 2 is wider than that of the palm fixing belt 3. Since the arm fixing belt 2 has a large force-bearing area, when the patient's arm is fixed, the patient's arm will not be tightened due to the tight elastic belt.To avoid discomfort, the patient's arm is passed through the arm fixing belt 2, and then the fixing belt 442 is moved, and the fixing belt 442 is passed under the patient's arm, and the position corresponding to the patient's radial artery is placed on the support structure 4, and the patient's palm is passed through the palm fixing belt 3 with the palm facing up, and the positions of the arm fixing belt 2, the palm fixing belt 3 and the support fixing belt 6 are adjusted according to the patient's arm position, palm position and radial artery position. Finally, the fixing belt 442 is cross-tied on the patient's arm, and the Velcro thorn surface 441 on the fixing belt 442 is bonded to the Velcro fur surface 52 on the outer surface of the support plate 41, and the patient's arm is fixed on the support plate 41, so as to prevent the patient from being stimulated to move his arm during puncture, which affects the puncture effect. At the same time, when fixing the patient's arm, it can be adjusted according to the patient's radial artery position, thereby improving the flexibility of arm fixation.

[0022] When in use, the patient's arm is passed through the arm fixing strap 2, and then the fixing strap 442 is moved and passed under the patient's arm. The position corresponding to the patient's radial artery is placed on the support structure 4, and the patient's palm is passed through the palm fixing strap 3 with the palm facing up. The positions of the arm fixing strap 2, the palm fixing strap 3 and the support fixing strap 6 are adjusted according to the patient's arm position, palm position and radial artery position. Finally, the fixing strap 442 is cross-tied on the patient's arm, and the Velcro thorn surface 441 on the fixing strap 442 is bonded to the Velcro fur surface 52 on the outer surface of the support plate 41 to fix the patient's arm on the support plate 41.

[0023] To sum up, the radial artery puncture flexible positioning device is connected by the Velcro thorn surface 441 and the Velcro fleece surface 52, which can not only prevent the arm fixing strap 2, the palm fixing strap 3 and the support fixing strap 6 from moving during use and affecting the patient's puncture effect, but also can move the arm fixing strap 2, the palm fixing strap 3 and the support fixing strap 6 according to the patient's radial artery position, so that it is more flexible to use. By bonding the Velcro thorn surface 441 on the fixing strap 442 to the Velcro fleece surface 52 on the support plate 41, the patient's arm can be reinforced to prevent the patient from being pricked and moving during the puncture process, thereby improving the positioning effect.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements of a radial artery puncture flexible positioning device includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flexible positioning device for radial artery puncture, comprising a pad (1), an arm fixing strap (2) and a palm fixing strap (3), characterized in that: The outer surface of the pad (1) is provided with a first protective layer (5); a limiting belt (7) is fixed to the lower surface of the pad (1); an arm fixing belt (2), a palm fixing belt (3) and a support fixing belt (6) are movably mounted between the limiting belt (7) and the pad (1); the support fixing belt (6) is arranged between the arm fixing belt (2) and the palm fixing belt (3); a support structure (4) is fixedly mounted on the support fixing belt (6); and the support structure (4) is arranged on the upper surface of the pad (1).

2. A radial artery puncture flexible positioning device according to claim 1, characterized in that: The support structure (4) comprises a support plate (41), a second protective layer (42), an adjustment groove (43), a fixing structure (44) and a limiting groove (45); the second protective layer (42) is provided on the outer surface of the support plate (41); the adjustment groove (43) is provided on the side surface of the support plate (41); the limiting groove (45) is provided at the bottom of the adjustment groove (43); and the fixing structure (44) is installed in the adjustment groove (43).

3. A radial artery puncture flexible positioning device according to claim 2, characterized in that: The fixing structure (44) comprises a fixing strap (442), an adjustment seat (443) and a limit block (444); two fixing straps (442) are provided, and the two fixing straps (442) are arranged crosswise; the fixing straps (442) are fixed on the adjustment seat (443); and a limit block (444) is provided at the bottom of the adjustment seat (443).

4. A radial artery puncture flexible positioning device according to claim 3, characterized in that: The adjustment seat (443) is installed in the adjustment groove (43), the limit block (444) is arranged in the limit groove (45), and the support plate (41) is cylindrical.

5. A radial artery puncture flexible positioning device according to claim 3, characterized in that: The inner sides of the fixing strap (442), the arm fixing strap (2), the palm fixing strap (3) and the supporting fixing strap (6) are all provided with Velcro thorn surfaces (441).

6. A radial artery puncture flexible positioning device according to claim 2, characterized in that: The second protective layer (42) and the first protective layer (5) have the same structure. The first protective layer (5) comprises a sponge pad (51) and a Velcro surface (52). The sponge pad (51) is arranged in close contact with the backing plate (1), and the surface of the sponge pad (51) is provided with a Velcro surface (52).

7. A radial artery puncture flexible positioning device according to claim 1, characterized in that: The arm fixing belt (2), the palm fixing belt (3) and the support fixing belt (6) are all elastic belts, and the width of the arm fixing belt (2) is wider than the width of the palm fixing belt (3).

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