Upper limb pneumatic pump with hand training function for PICC (Peripherally Inserted Central Catheter) patient

By designing an upper limb pneumatic pump with hand training function, the problem of difficult hand training for PICC patients is solved, effective hand activity training is achieved, the formation of upper limb thrombosis and fibrin sheath is reduced, and the workload of nursing staff is reduced.

CN223464248UActive Publication Date: 2025-10-24THE FIRST AFFILIATED HOSPITAL OF SHANDONG FIRST MEDICAL UNIV (QIANFOSHAN HOSPITAL OF SHANDONG PROVINCE)
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Patent Information

Application Number
CN202422484088.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-14
Publication Date
2025-10-24
Estimated Expiration
2034-10-14

AI Technical Summary

Technical Problem

Existing PICC patients find it difficult to perform effective hand activity training using upper limb pneumatic pumps, which leads to the formation of upper limb thrombosis and fibrin sheaths, increasing the workload of nursing staff.

Method used

An upper limb pneumatic pump with hand training function is designed, which includes an upper limb sleeve, an air bag strip, a training plate and a telescopic air cylinder. The air bag strip is controlled by the air pump to massage the arm, and the telescopic air cylinder, finger ring and track strip structure are used to achieve finger bending training.

Benefits of technology

Effective hand activity training for PICC patients was achieved, which reduced the formation of upper limb thrombosis and fibrin sheath and alleviated the burden on nursing staff.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an upper limb pneumatic pump with a hand training function for a PICC (Peripherally Inserted Central Catheter) patient, which comprises an upper limb sleeve and an air pump, an air bag strip is arranged in the upper limb sleeve, the upper limb pneumatic pump further comprises a training plate, the training plate is connected with the edge of the upper limb sleeve through a connecting strip, a movable block is movably mounted on the upper surface of the training plate, and the air pump is connected with the upper limb sleeve. Five track strips are arranged on the periphery of the movable block, each track strip is movably connected with a finger ring, a telescopic air cylinder is installed on the lower surface of the training plate, and the air pump is communicated with the telescopic air cylinder and the air bag strips through Y-shaped air pipes. The upper limb sleeves are worn on the arms of the patient, the hands of the patient are placed on the training plate, the palm center is tightly attached to the movable blocks, and the fingers are sleeved with the finger rings, when the air pump is inflated, the air bag strips are controlled to bulge to massage the arms of the patient, and the telescopic air cylinders are controlled to stretch, jack up the movable blocks and drive the fingers of the patient to bend towards the palm center; therefore, the effect of carrying out activity training on the hands is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially a PICC patient's upper limb air pressure pump with hand training function. BACKGROUND

[0002] PICC is a long-term intravenous access that is inserted through the peripheral vein of the patient and reaches the central vein, and is commonly used for patients who need long-term intravenous treatment and are hospitalized for a long time. Such patients are prone to upper limb thrombosis and fibrin sheath due to poor upper limb mobility.

[0003] Currently, in order to prevent patients from forming upper limb thrombosis and fibrin sheath, the upper limbs of patients often need to be moved and massaged for training. However, manual operation increases the daily work burden of nursing staff. Meanwhile, some auxiliary massage devices similar to limb air pressure pumps on the market can replace manual operation and reduce the burden on medical staff. However, they can only be fitted on the arms of patients and are difficult to move and train the hands of patients.

[0004] Therefore, we propose a PICC patient's upper limb air pressure pump with hand training function to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims to provide a PICC patient's upper limb air pressure pump with hand training function to solve the problems raised in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A PICC patient's upper limb air pressure pump with hand training function comprises an upper limb sleeve and an air pump. An air bag strip is arranged in the upper limb sleeve. A training plate is connected to the edge of the upper limb sleeve through a connecting strip. A movable block is movably installed on the upper surface of the training plate. Five track strips are arranged around the movable block, and each track strip movably connects a finger ring. An extension air cylinder is installed on the lower surface of the training plate, and an electromagnetic exhaust valve is connected to the side wall of the extension air cylinder. The air pump is connected to the extension air cylinder and the air bag strip through a Y-shaped air pipe to inflate the extension air cylinder and the air bag strip.

[0008] A piston block is slidably installed in the extension air cylinder. The piston block is connected to the movable block through a connecting rod. A spring is installed between the piston block and the training plate.

[0009] In a further embodiment, a rotating sleeve is connected to one end of the finger ring close to the track strip. A fixed rod penetrates the rotating sleeve. The axis of the fixed rod is perpendicular to the length direction of the track strip. Two moving blocks are installed at the two ends of the fixed rod. The moving blocks are sleeved on the track strips.

[0010] In further embodiments, the fixed rod is connected with a T-shaped rod, both ends of the T-shaped rod are rotatably sleeved with rotating wheels, and the rotating wheels are closely attached to the track strip.

[0011] In further embodiments, the track strip is internally provided with a through groove, the through groove is in a convex letter structure with a narrow upper part and a wide lower part, and the rotating wheel extends into the inner bottom of the through groove.

[0012] In further embodiments, the movable block is connected with a pair of straps at the upper edge.

[0013] In further embodiments, the material of the movable block is elastic rubber or silica gel.

[0014] In further embodiments, the material of the ring is elastic rubber or silica gel.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The upper limb sleeve is worn on the arm of the patient, the hand of the patient is placed on the training plate, the palm is closely attached to the movable block, the fingers are sleeved into the ring, when the air pump is inflated, the air bag strip is inflated to massage the arm of the patient, the telescopic air cylinder is controlled to be elongated, the movable block is lifted, the palm of the patient is supported, under the limitation of the ring and the track strip, the fingers of the patient are bent to the palm, the ring slides along the track strip to the movable block, and the effect that the hand of the patient is actively trained is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a bottom view structural schematic view of the utility model;

[0019] Figure 3 It is a training side view sectional structural schematic view of the utility model;

[0020] Figure 4 It is a ring and track strip installation front view sectional structural schematic view of the utility model.

[0021] In the drawing: 1, upper limb sleeve; 2, air bag strip; 3, air pump; 4, connecting strip; 5, training plate; 6, movable block; 7, track strip; 71, through groove; 8, ring; 81, moving block; 82, fixed rod; 83, rotating sleeve; 84, T-shaped rod; 85, rotating wheel; 9, telescopic air cylinder; 91, piston block; 92, connecting rod; 93, spring; 10, electromagnetic exhaust valve; 11, Y-shaped air pipe; 12, strap. DETAILED DESCRIPTION

[0022] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two.

[0023] In the description of the utility model, it should be explained that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] Please refer to Figures 1-2 A PICC patient upper limb air pressure pump with hand training function, including upper limb sleeve 1 and air pump 3, air bag strip 2 is equipped in upper limb sleeve 1, upper limb sleeve 1 is used to wear on the arm of patient, upper limb sleeve 1 can adopt magic tape adhesion, convenient to wear, after wearing upper limb sleeve 1, air bag strip 2 is attached to the arm of patient, air pump 3 is inflated, air bag strip 2 is inflated to massage the arm of patient.

[0026] Please refer to Figures 1-2The upper limb air pressure pump further comprises a training plate 5 for training the patient's hand, the training plate 5 is connected to the edge of the upper limb sleeve 1 through a connecting strip 4, the connecting strip 4 is a cloth strip, facilitating the adjustment of the angle between the training plate 5 and the upper limb sleeve 1, a movable block 6 is movably installed on the upper surface of the training plate 5, the movable block 6 is opposite to the palm position, five track strips 7 are arranged around the movable block 6, the five track strips 7 correspond to the five fingers respectively, and a finger ring 8 is movably connected to each track strip 7, for inserting the finger during the training, a telescopic air cylinder 9 is installed on the lower surface of the training plate 5, the position of the telescopic air cylinder 9 corresponds to the position of the movable block 6, for controlling the movable block 6 to pop up, when the movable block 6 pops up, the palm of the patient is lifted, under the limitation of the finger ring 8 and the track strip 7, the patient's fingers are bent towards the palm, the finger ring 8 slides along the track strip 7 towards the movable block 6, so as to achieve the effect of active training of the patient's hand, an electromagnetic exhaust valve 10 is connected to the side wall of the telescopic air cylinder 9, facilitating the exhaust of the gas in the telescopic air cylinder 9, one end of a Y-shaped air pipe 11 is connected to the air outlet pipe of the air pump 3, and the other two ends of the Y-shaped air pipe 11 are connected to the telescopic air cylinder 9 and the air bag strip 2 for communication, so as to facilitate the inflation of the telescopic air cylinder 9 and the air bag strip 2.

[0027] Please refer to Figure 3 In order to facilitate the retraction of the telescopic air cylinder 9, a piston block 91 is slidably installed in the telescopic air cylinder 9, the piston block 91 is connected with a connecting rod 92, the connecting rod 92 slidably penetrates the training plate 5 and is connected with the movable block 6, and a spring 93 is further installed between the piston block 91 and the training plate 5, the spring 93 is sleeved on the outer periphery of the connecting rod 92, when the telescopic air cylinder 9 is inflated, the piston block 91 moves to compress the spring 93, therefore, after the electromagnetic exhaust valve 10 exhausts, the piston block 91 returns to the original position under the elastic force of the spring 93.

[0028] Please refer to Figure 4 In order to prevent the finger ring 8 from excessively pressing and damaging the finger when the finger is bent, one end of the finger ring 8 close to the track strip 7 is connected with a rotating sleeve 83, a fixed rod 82 penetrates the inside of the rotating sleeve 83, the axis of the fixed rod 82 is perpendicular to the length direction of the track strip 7, and the two ends of the fixed rod 82 are installed with a moving block 81, the moving block 81 is sleeved on the track strip 7, so that the finger ring 8 can rotate relative to the moving block 81 and the track strip 7, and the angle is adaptively adjusted during the movement.

[0029] Please refer to Figure 4The T-shaped rod 84 is rotatably sleeved with a rotating wheel 85 at both ends, the rotating wheel 85 is closely attached to the track strip 7, the track strip 7 is internally provided with a through groove 71 in a convex letter structure with the width narrowing from top to bottom, the T-shaped rod 84 penetrates into the through groove 71, and the rotating wheel 85 extends into the inner bottom of the through groove 71, the through groove 71 limits the rotating wheel 85 from coming out of the track strip 7, and the rotating action of the rotating wheel 85 can reduce the frictional resistance when the rotating wheel 85 moves along the track strip 7, so that the ring 8 moves along the track strip 7 more smoothly, thereby reducing the jamming condition.

[0030] Please refer to Figure 1 Considering that the hand of the patient may not be attached to the movable block 6 when the movable block 6 is retracted, and the hand of the patient is still kept in a bent fist shape after the movable block 6 is retracted and reset, a pair of straps 12 are arranged on the upper edge of the movable block 6, the straps 12 are bound on the hand of the patient through a lacing effect, or are bound on the hand of the patient through a magic tape, so that the movable block 6 is closely attached to the hand of the patient and can move synchronously.

[0031] In order to improve the comfort of the whole training mechanism, the movable block 6 and the ring 8 can be made of elastic materials such as elastic rubber or silica gel, so that they are more comfortable when contacting the hand, and the pressure damage to the skin of the hand of the patient is reduced.

[0032] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0033] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. An upper limb air pressure pump for PICC patients with a hand training function, comprising an upper limb sleeve (1) and an air pump (3), wherein an air bag strip (2) is provided in the upper limb sleeve (1), and characterized in that: Also include a training board (5), the training board (5) is connected with the upper limb sleeve (1) edge through connecting strip (4), the upper surface of the training board (5) is movably installed with movable block (6), the periphery of the movable block (6) is equipped with five track strips (7), and each track strip (7) is movably connected with a finger ring (8), the lower surface of the training board (5) is installed with telescopic air cylinder (9), and the side wall of telescopic air cylinder (9) is connected with electromagnetic exhaust valve (10), the air pump (3) is communicated with telescopic air cylinder (9) and air bag strip (2) through Y type air pipe (11), so as to inflate telescopic air cylinder (9) and air bag strip (2); The piston block (91) is slidably installed in the telescopic air cylinder (9), the piston block (91) is connected with the movable block (6) through the connecting rod (92), and the spring (93) is further installed between the piston block (91) and the training board (5).

2. The PICC patient upper limb air pressure pump with hand training function according to claim 1, characterized in that: The finger ring (8) is connected with the rotating sleeve (83) at one end close to the track strip (7), the rotating sleeve (83) penetrates the fixed rod (82) in the inside, the axis line of the fixed rod (82) is perpendicular to the length direction of the track strip (7), and the movable block (81) is installed at both ends of the fixed rod (82), the movable block (81) is sleeved on the track strip (7).

3. The PICC patient upper limb air pressure pump with hand training function according to claim 2, characterized in that: The fixed rod (82) is connected with the T-shaped rod (84), the T-shaped rod (84) is rotatably sleeved with the rotating wheel (85) at both ends, and the rotating wheel (85) is closely attached to the track strip (7).

4. The PICC patient upper limb air pressure pump with hand training function according to claim 3, characterized in that: The inside of the track strip (7) is provided with a through groove (71), the through groove (71) is in convex letter shape structure with narrow upper and wide lower, and the rotating wheel (85) extends into the inner bottom of the through groove (71).

5. The PICC patient upper limb air pressure pump with hand training function according to claim 1, characterized in that: The upper edge of the movable block (6) is connected with a pair of binding belts (12).

6. The PICC patient upper arm pneumatic pump with hand training function according to claim 1, characterized in that: The material of the movable block (6) is elastic rubber or silica gel.

7. The PICC patient upper arm pneumatic pump with hand training function according to claim 1, characterized in that: The material of the finger ring (8) is elastic rubber or silica gel.