CN215128739U

CN215128739U - Wrist position fixing device for radial artery blood sampling

Info

Publication number: CN215128739U
Application number: CN202121251915.1U
Authority: CN
Inventors: 刘慧�; 赵楠; 夏小喻
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-12-14
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a wrist position fixing device for radial artery blood sampling, which comprises a bracket, the middle part of support is rotated and is installed angle of adjustment's two-way screw rod, the carriage release lever has been cup jointed to the equal screw in two-way screw rod both ends, the screw thread nozzle stub is installed in one side embedding of carriage release lever, and fixing device is according to patient's the condition for the palm is downwards, presents different angles in wrist department, makes things convenient for patient's wrist rigidity, all fixes patient's palm and arm simultaneously, avoids the problem of the puncture failure that the painful patient arm wrench movement that causes of feeling of puncture in-process caused. The fixed convenience medical personnel of position find the strongest point of beating of radial artery, and blood sampling position skin is taut simultaneously, alleviates the painful sense of puncture, has also solved the inaccurate condition of looking for of new hand nurse artery blood sampling point in clinical, has promoted the quality and the efficiency of drawing blood, avoids the patient to take a blood sample the position inaccurate many times the misery that brings for the patient simultaneously.

Description

Wrist position fixing device for radial artery blood sampling

Technical Field

The utility model relates to a radial artery blood sampling technical field specifically is a wrist position fixing device for radial artery blood sampling.

Background

The radial artery firstly passes between the brachioradialis and the circumflex, then descends between the tendon of the brachioradialis and the flexor carpi radialis, goes around the radial stylus process to the back of the hand, passes through the gap of the first metacarpus to the palm, and is anastomosed with the deep branch of the ulnar artery to form a deep arch of the palm, the lower segment of the radial artery is only covered by skin and fascia, and is a part for clinically touching pulse, when in need of treatment, the radial artery blood sampling is a common medical technology, the nature and the degree of respiratory failure can be objectively reflected by arterial blood gas analysis, and the method is a reliable method for judging whether a patient has hypoxia and carbon dioxide retention, and has important significance for guiding oxygen therapy, adjusting various parameters of mechanical ventilation and correcting acid-base imbalance and electrolyte imbalance, and the radial artery puncture is usually selected to collect arterial blood samples for blood gas analysis clinically, and has wider application in various departments;

however, because the body types and the constitutions of patients are different, the display degrees of the radial artery blood vessels are different, so that nurses have different difficulty and pain when performing radial artery puncture, sometimes, the patients twist the wrists due to pain, the success rate is low, for example, the angle of the wrist joints and the position of the palms can be better fixed, the strongest beating point of the radial artery is easier to touch, and the local skin is tightened, so that the success rate of puncture can be increased, and the pain of puncture can be relieved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a wrist position fixing device for radial artery blood sampling, it is different to put forward patient's size physique in can effectively solving above-mentioned background, it has the difference to make radial artery vascular demonstration degree, there is different degree of difficulty and painful sense when making the nurse carry out radial artery puncture, patient twists about the wrist because of pain sometimes, make the success rate low, if the angle of the fixed wrist joint that can be better and the position of palm, make radial artery strongest beat the point and touch more easily, tighten local skin, thereby just can increase the success rate of puncture and alleviate the painful problem of feeling of puncture.

In order to achieve the above object, the utility model provides a following technical scheme: a wrist position fixing device for radial artery blood sampling comprises a support, wherein a bidirectional screw rod for adjusting the angle is rotatably arranged in the middle of the support, moving rods are sleeved at two end parts of the bidirectional screw rod in a threaded manner, and a threaded short pipe is embedded in one side of each moving rod;

one the carriage release lever top is rotated and is installed the forearm fixed plate that is used for placing the arm, another the carriage release lever top is rotated and is installed the palm fixed plate that is used for placing the palm, forearm fixed plate top is rotated with palm fixed plate top and is connected, the hand sleeve that fixed palm used is installed in palm fixed plate top face embedding, forearm fixed plate all imbeds with palm fixed plate top face and has the buckle of placing the elastic cord, the pulley is all installed at the both ends of carriage release lever, the support inboard is installed and is used for the gliding slide rail of pulley.

Preferably, the inner side walls of the two threaded short pipes are both provided with threads, and the two threaded short pipes are both in threaded sleeve joint with two end parts of the bidirectional screw;

the two ends of the bidirectional screw are opposite in thread direction, and one end of the bidirectional screw is welded with a cross-shaped turntable.

Preferably, the glove barrel opening is located in the middle of the top end face of the palm fixing plate, two buckles are installed on the top end face of the palm fixing plate, and the two buckles are respectively installed at two ends of the glove barrel opening in an embedded mode.

Preferably, the palm fixed slot has been seted up to the top face of palm fixed plate corresponding hand sleeve position department, the loose axle is installed at the forearm fixed plate top, the joint is rotated with palm fixed plate top to the loose axle, and forearm fixed plate and palm fixed plate inside all imbed ventilative thin layer cushion.

Preferably, the buckle on the top end face of the forearm fixing plate and the buckle on the top end face of the palm fixing plate are symmetrically arranged.

Preferably, the slide rail is provided with two, sets up respectively in the inboard front end face of support and inboard rear end face, the pulley slip joint of removal rod tip is inside the slide rail.

Preferably, a threaded hole for a two-way screw to pass through is formed in the middle of the moving rod corresponding to the position of the threaded short pipe, and the threaded hole is connected with the threaded short pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization: the fixing device enables the palm to face downwards according to the condition of the patient, presents different angles at the wrist, facilitates the fixing of the wrist position of the patient, and simultaneously fixes the palm and the arm of the patient, thereby avoiding the problem of puncture failure caused by the twisting of the arm of the patient due to the pain in the puncture process;

the fixed convenience medical personnel of position find the strongest point of beating of radial artery, and blood sampling position skin is taut simultaneously, alleviates the painful sense of puncture, has also solved the inaccurate condition of looking for of new hand nurse artery blood sampling point in clinical, has promoted the quality and the efficiency of drawing blood, avoids the patient to take a blood sample the position inaccurate many times the misery that brings for the patient simultaneously.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of the slide rail of the present invention;

fig. 3 is a schematic bottom structure view of the forearm fixing plate of the present invention;

reference numbers in the figures: 1. a support; 2. a bidirectional screw; 3. a travel bar; 4. a threaded stub; 5. a forearm fixing plate; 6. a palm fixing plate; 7. a hand sleeve; 8. buckling; 9. a pulley; 10. a slide rail.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-3, the utility model provides a technical scheme, a wrist position fixing device for radial artery blood sampling, including support 1, the middle part of support 1 rotates installs angle adjustment's two-way screw rod 2, the welding of two-way screw rod 2 one end has the cross carousel, the equal screw thread in two ends of two-way screw rod 2 has cup jointed carriage release lever 3, one side embedding of carriage release lever 3 is installed screw thread nozzle 4, the both sides wall of two screw thread nozzle release levers 4 is all seted up the screw thread, two screw thread nozzle release levers 4 are all cup jointed in two ends of two-way screw rod 2, two end screw thread opposite directions in two-way screw rod 2, conveniently drive the carriage release lever 3 at two ends of two-way screw rod 2 simultaneously and move, the screw hole that is used for two-way screw rod 2 to pass is seted up in the middle part of carriage release lever 3 corresponding to screw thread nozzle release lever 4 position, the screw hole is connected with screw thread nozzle release lever 4, convenient two-way screw rod 2 and carriage release lever 3 are installed;

a forearm fixing plate 5 for placing an arm is rotatably arranged at the top of one moving rod 3, a palm fixing plate 6 for placing a palm is rotatably arranged at the top of the other moving rod 3, a palm fixing groove is formed in the position, corresponding to the position of a hand sleeve 7, of the top end face of the palm fixing plate 6, so that the palm is convenient to fix, breathable thin-layer cushions are embedded in the forearm fixing plate 5 and the palm fixing plate 6 respectively, so that the palm and the arm are more comfortable to place, the top of the forearm fixing plate 5 is rotatably connected with the top of the palm fixing plate 6, a movable shaft is arranged at the top of the forearm fixing plate 5 and is rotatably clamped with the top of the palm fixing plate 6, so that the top of the forearm fixing plate 5 is conveniently connected with the palm fixing plate 6, the hand sleeve 7 for fixing the palm is embedded in the top end face of the palm fixing plate 6, and a buckle 8 for placing an elastic cord is embedded in the top end faces of the forearm fixing plate 5 and the palm fixing plate 6, the opening of the hand sleeve 7 is positioned in the middle of the top end face of the palm fixing plate 6, the two buckles 8 are installed on the top end face of the palm fixing plate 6, the buckle 8 on the top end face of the forearm fixing plate 5 and the buckle 8 on the top end face of the palm fixing plate 6 are symmetrically installed, so that the elastic band for fixing the palm of the arm is fixed stably, and the two buckles 8 are respectively embedded and installed at the two ends of the opening of the hand sleeve 7, so that the palm position can be conveniently fixed;

pulleys 9 are installed at two ends of the moving rod 3, sliding rails 10 used for sliding of the pulleys 9 are installed on the inner side of the support 1, the sliding rails 10 are arranged in two numbers and are respectively arranged on the front end face and the rear end face of the inner side of the support 1, and the pulleys 9 at the end portions of the moving rod 3 are slidably clamped inside the sliding rails 10 to enable the moving rod 3 to slide to drive different angles to be formed between the front arm fixing plate 5 and the palm fixing plate 6.

The utility model discloses a theory of operation and use flow: firstly, a cross turntable at one end of a two-way screw 2 is rotated, a threaded short pipe 4 at the side end of a movable rod 3 moves along the two-way screw 2 to drive the two movable rods 3 to move towards the middle position of a support 1, pulleys 9 at two ends of the movable rod 3 slide in the middle of a sliding rail 10, so that the connecting position of a forearm fixing plate 5 and a palm fixing plate 6 moves upwards, a proper blood sampling angle is formed between the forearm fixing plate 5 and the palm fixing plate 6, then the two-way screw 2 stops rotating, and the fixing device can adapt to different palm sizes and people of different ages for use by adjusting the included angle between the forearm fixing plate 5 and the palm fixing plate 6;

then, an arm of a patient is placed on a forearm fixing plate 5, an elastic band penetrates through a buckle 8 on the forearm fixing plate 5 and is fastened with the buckle 8 to fix the forearm position of the patient, a palm of the patient is placed downwards in a palm fixing groove on a palm fixing plate 6, fingers are placed inside a glove barrel 7 from an opening position of the glove barrel 7, the elastic band fixes the palm position through the buckle 8 on the palm fixing plate 6, an included angle is further adjusted by rotating a bidirectional screw 2, the radial artery pulsation condition of the patient is touched, after the optimal angle between the arm and the palm is adjusted according to the touched pulsation condition, the rotation is stopped, the radial artery condition is confirmed again, and the standard radial artery blood sampling operation is carried out;

after blood sampling, reverse rotation two-way screw rod 2 again makes carriage release lever 3 remove to 1 both ends of support, makes forearm fixing plate 5 and palm fixing plate 6 pulled and tend to the horizontality, and the device is along with getting along with usefulness, can adjust suitable angle, makes radial artery blood sampling effect better, to the fixing of patient's palm and arm, reduces patient and removes at blood sampling in-process palm and arm, causes the phenomenon of blood sampling failure.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A wrist position fixing device for radial artery blood sampling, includes support (1), its characterized in that: the middle part of the bracket (1) is rotatably provided with a bidirectional screw (2) with an angle adjusting function, two ends of the bidirectional screw (2) are both in threaded sleeve joint with a movable rod (3), and one side of the movable rod (3) is embedded with a threaded short pipe (4);

one shift lever (3) top is rotated and is installed forearm fixing plate (5) that are used for placing the arm, another shift lever (3) top is rotated and is installed palm fixed plate (6) that are used for placing the palm, forearm fixed plate (5) top is rotated with palm fixed plate (6) top and is connected, palm fixed plate (6) top face embedding is installed the hand sleeve barrel (7) that fixed palm used, forearm fixed plate (5) all imbeds buckle (8) of placing the elastic cord with palm fixed plate (6) top face, pulley (9) are all installed at the both ends of shift lever (3), support (1) inboard is installed and is used for gliding slide rail (10) of pulley (9).

2. The wrist position fixing device for radial artery blood sampling according to claim 1, wherein the inner side walls of the two threaded short pipes (4) are both threaded, and the two threaded short pipes (4) are both in threaded sleeve connection with two ends of the two-way screw (2);

two end parts of the bidirectional screw (2) are opposite in thread direction, and one end of the bidirectional screw (2) is welded with a cross-shaped turntable.

3. The wrist posture fixing device for radial artery blood sampling is characterized in that the opening of the hand sleeve (7) is located at the middle position of the top end surface of the palm fixing plate (6), two buckles (8) are installed on the top end surface of the palm fixing plate (6), and the two buckles (8) are respectively embedded and installed at the two ends of the opening of the hand sleeve (7).

4. The wrist posture fixing device for radial artery blood sampling according to claim 3, characterized in that a palm fixing groove is formed in the position, corresponding to the hand sleeve (7), of the top end face of the palm fixing plate (6), a movable shaft is installed at the top of the forearm fixing plate (5), the movable shaft is rotatably clamped with the top of the palm fixing plate (6), and breathable thin-layer cushions are embedded in the forearm fixing plate (5) and the palm fixing plate (6).

5. A wrist posture fixing device for radial artery blood sampling according to claim 3, characterized in that the buckle (8) on the top end face of the forearm fixing plate (5) is symmetrically installed with the buckle (8) on the top end face of the palm fixing plate (6).

6. The wrist posture fixing device for radial artery blood sampling according to claim 1, characterized in that the slide rail (10) is provided with two rails, which are respectively arranged on the inner front end surface and the inner rear end surface of the support (1), and the pulley (9) at the end of the moving rod (3) is slidably clamped inside the slide rail (10).

7. The wrist position fixing device for radial artery blood sampling according to claim 1, wherein a threaded hole for the bi-directional screw rod (2) to pass through is formed in the middle of the moving rod (3) corresponding to the position of the threaded short pipe (4), and the threaded hole is connected with the threaded short pipe (4).