A wrist restraint device for radial artery blood pressure monitoring

Abstract

The utility model discloses a wrist restraint device for radial artery blood pressure monitoring, first, the patient's wrist is upwards during puncture in order to meet its physiological function, the back of the hand is upwards, through making the left palm or right palm of patient puncture side hold in the top corner of the elevated pillow (in order to realize the natural bending of holding shape) and embed in recessed groove and carry out the location, make the finger apart simultaneously, thereby can prevent the interdigital space erosion, peculiar smell, the appearance eczema, second, make the restraint cover in the wrist of patient puncture side, and the restraint cover is fixed through adjustable buckle connecting piece, thereby has the effect of fast restraint, third, the setting of elevated pillow can prevent the blood flow of long -time restraint result and be not smooth, through the setting of height adjusting structure can make puncture point and heart keep horizontal position, finally, the design of openable setting flexible transparent observation window, cooperate the wrist of patient hand overturning, can observe the skin condition of patient puncture point at any time.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to a wrist restraint device for radial artery blood pressure monitoring. Background Technology

[0002] Radial artery blood pressure monitoring is a method of real-time blood pressure monitoring by inserting a catheter through radial artery puncture and connecting a pressure sensor. It is mainly used for critically ill patients, major surgeries, or situations with large blood pressure fluctuations, and can provide continuous and accurate blood pressure data.

[0003] In radial artery blood pressure monitoring, the wrist needs to be restrained, otherwise the following problems may occur: (1) If the wrist is not kept at the same level as the heart (too high or too low), the measured blood pressure value will systematically deviate from the true value due to the difference in hydrostatic pressure (usually the error is about ±7-8 mmHg for every 10 cm above / below the heart level); (2) If the wrist is moved or the posture is improper, it may compress the radial artery, causing the blood flow signal to be distorted, especially for those with peripheral vascular disease; (3) Accidental dislodgement of the cannula may occur.

[0004] Existing wrist restraint devices are usually composed of a pillow and straps, which can only raise and fix the wrist, and their functionality is relatively poor. Utility Model Content

[0005] The purpose of this invention is to provide a wrist restraint device for radial artery blood pressure monitoring, which has the functions of preventing interdigital erosion and eczema, promoting blood return in patients with swollen limbs, and facilitating observation of the radial artery puncture site.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a wrist restraint device for radial artery blood pressure monitoring, comprising an elevation pillow, a wrist restraint assembly disposed on the elevation pillow, and a strap assembly disposed on the front and rear sides of the elevation pillow for fixing the elevation pillow; the side of the elevation pillow is a right-angled triangle, and the bottom of the elevation pillow is provided with a height adjustment structure, wherein the length of the right-angled surface extending vertically is less than the length of the right-angled surface extending horizontally; the elevation pillow is provided with a recessed groove for the patient's left or right hand to be inserted and the fingers to be separated when held at the top corner; the wrist restraint assembly includes a restraint sleeve disposed on the inclined surface of the elevation pillow below the recessed groove and for the patient's wrist to pass through, a flexible transparent observation window disposed in the middle of the restraint sleeve for observing the puncture point after the patient's wrist is rotated, and adjustable buckle connectors; one side of the restraint sleeve is connected to the elevation pillow, and the other side of the restraint sleeve is fixed to the elevation pillow by two buckle connectors; the flexible transparent observation window is openable.

[0007] By adopting the above technical solution, firstly, to conform to the physiological function of the patient's wrist during puncture, the back of the hand is facing upwards. The patient's left or right palm on the puncture side is held at the corner of the top of the elevating pillow (to achieve a natural bend in the gripping position) and embedded in the recessed groove for restraint, while the fingers are separated, thus preventing interdigital erosion, odor, and eczema. Secondly, the restraint sleeve covers the patient's wrist on the puncture side and is fixed by an adjustable buckle connector, thus providing a quick restraint effect. Thirdly, the elevating pillow can prevent poor blood flow caused by prolonged restraint. For patients with limb swelling, it can promote blood return and reduce swelling in a hanging position. The height-adjustable structure can keep the puncture point and the heart in a horizontal position. Finally, the design of the flexible transparent observation window that can be opened, combined with the rotation of the patient's wrist, allows for observation of the skin condition at the puncture point at any time, avoiding complications such as catheter displacement, skin friction, or bleeding and leakage at the puncture point caused by restraint obstruction or pressure, and reducing the need for repeated catheter placement.

[0008] A further feature of this invention is that a wedge-shaped groove is provided between the right-angled surface extending vertically and the right-angled surface extending horizontally of the lifting pillow. The upper surface of the wedge-shaped groove extends downward at an angle away from the right-angled surface extending vertically. The height adjustment structure includes a wedge-shaped pillow disposed in the wedge-shaped groove, a Velcro surface disposed on the wedge-shaped surface of the wedge-shaped pillow, and a Velcro hook surface disposed on the upper surface of the wedge-shaped groove.

[0009] By adopting the above technical solution, by adjusting the depth of the wedge-shaped pillow embedded in the wedge-shaped groove, the height of the elevation pillow at the junction of the right-angled surface extending vertically and the right-angled surface extending horizontally can be adjusted. Although the other side of the elevation pillow is suspended in the air in a natural state, it will not affect the placement of the wrist, thus ultimately keeping the puncture point and the heart in a horizontal position.

[0010] A further feature of this invention is that the recessed groove includes a first recessed portion disposed on the inclined surface of the raised pillow and into which the patient's palm is inserted; a second recessed portion disposed on both sides of the first recessed portion and into which the patient's thumb is inserted; and four third recessed portions disposed on the top of the first recessed portion and into which the patient's other four fingers are inserted. The third recessed portions extend to the top corner and are used for the patient's other four fingers to grip.

[0011] By adopting the above technical solution, the recessed groove includes a first recessed part, two second recessed parts, and four third recessed parts, which can be used to embed and position the patient's left or right palm and can separate the five fingers; at the same time, the three recessed parts extend to the top corner and are used for the patient's other four fingers to hold, so that the patient's four fingers can maintain a natural bend in the holding position.

[0012] The present invention is further configured such that: the buckle connector includes a first connecting strap disposed on the lifting pillow, a female buckle disposed on the first connecting strap, a second connecting strap disposed on one side of the restraint sleeve, a male buckle for connecting to the female buckle, and an adjusting buckle, wherein the second connecting strap passes through the adjusting buckle, around the male buckle, and through the adjusting buckle in sequence.

[0013] By adopting the above technical solution, the tightness of the buckle connector can be adjusted by adjusting the length of the end of the second connecting belt that finally passes through the adjusting buckle.

[0014] A further feature of this invention is that the constraint sleeve has an opening corresponding to the transparent observation window, one side of the flexible transparent observation window is fixed to the constraint sleeve, and the other side of the flexible transparent observation window is bonded to the constraint sleeve by a second Velcro fastener.

[0015] By adopting the above technical solution, this setting allows for the opening of a flexible transparent observation window, thus facilitating clear observation of the patient's skin condition at the puncture site. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model. Figure 1 ;

[0017] Figure 2 yes Figure 1 A magnified view of the area located at point A;

[0018] Figure 3 This is a schematic diagram of the structure of this utility model. Figure 2 ;

[0019] Figure 4 This is a partial structural cross-sectional view of the present invention.

[0020] Reference numerals: 1. Elevating pillow; 1-1. Recessed groove; 1-1-1. First recessed part; 1-1-2. Second recessed part; 1-1-3. Third recessed part; 1-2. Wedge groove; 2-1. Restraint sleeve; 2-1-1. Opening; 2-2. Flexible transparent observation window; 2-3. Buckle connector; 2-3-1. First connecting strap; 2-3-2. Female buckle; 2-3-3. Second connecting strap; 2-3-4. Male buckle; 2-3-5. Adjusting buckle; 2-4. Second Velcro; 3. Strap assembly; 4. Height adjustment structure; 4-1. Wedge pillow; 4-2. Velcro loop side; 4-3. Velcro hook side. Detailed Implementation

[0021] The present invention will be further described in detail below with reference to the accompanying drawings.

[0022] Example: A wrist restraint device for radial artery blood pressure monitoring, such as Figure 1As shown, the device includes a lifting pillow 1, a wrist restraint assembly disposed on the lifting pillow 1, and a strap assembly 3 disposed on the front and rear sides of the lifting pillow 1 for securing the lifting pillow 1. The strap assembly 3 consists of two straps.

[0023] like Figure 1 , Figure 3 and Figure 4 As shown, the side of the raised pillow 1 is a right-angled triangle. A height adjustment structure 4 is provided at the bottom of the raised pillow 1. The length of the right-angled surface extending vertically is less than the length of the right-angled surface extending horizontally. In this embodiment, the three angles of the side of the raised pillow 1 are 30 degrees, 60 degrees, and 90 degrees. A wedge-shaped groove 1-2 is provided between the right-angled surface extending vertically and the right-angled surface extending horizontally of the raised pillow 1. The upper surface of the wedge-shaped groove 1-2 extends downwards at an angle away from the right-angled surface extending vertically. The height adjustment structure 4 includes a wedge-shaped pillow 4-1 disposed within the wedge-shaped groove 1-2, a hook-and-loop fastener 4-2 disposed on the wedge-shaped surface of the wedge-shaped pillow 4-1, and a hook-and-loop fastener 4-3 disposed on the upper surface of the wedge-shaped groove 1-2.

[0024] like Figure 1 and Figure 3 As shown, the elevated pillow 1 is provided with a recessed groove 1-1 for the patient's left or right palm to be held at the top angle (i.e., a 60-degree angle) and for the fingers to be separated. The recessed groove 1-1 includes a first recessed portion 1-1-1 located on the inclined surface of the elevated pillow 1 for the patient's palm to be inserted, a second recessed portion 1-1-2 located on both sides of the first recessed portion 1-1-1 for the patient's thumb to be inserted, and four third recessed portions 1-1-3 located at the top of the first recessed portion 1-1-1 for the patient's other four fingers to be inserted. The third recessed portions 1-1-3 extend to the top angle for the patient's other four fingers to hold. At this time, the third recessed portions 1-1-3 are located on an inclined surface and extend to a vertical surface.

[0025] like Figure 1 and Figure 2 As shown, the wrist restraint assembly includes a restraint sleeve 2-1 located below a recessed groove 1-1 on the inclined surface of an elevation pillow 1, through which the patient's wrist passes; a flexible transparent observation window 2-2 located in the middle of the restraint sleeve 2-1, which allows observation of the puncture point after the patient's wrist is rotated; and adjustable buckle connectors 2-3. One side of the restraint sleeve 2-1 is connected to the elevation pillow 1, and the other side of the restraint sleeve 2-1 is fixed to the elevation pillow 1 by two buckle connectors 2-3. The flexible transparent observation window 2-2 is openable and made of EVA soft film.

[0026] like Figure 1 and Figure 2As shown, the snap-fit ​​connector 2-3 includes a first connecting strap 2-3-1 disposed on the lifting pillow 1, a female buckle 2-3-2 disposed on the first connecting strap 2-3-1, a second connecting strap 2-3-3 disposed on one side of the constraint sleeve 2-1, a male buckle 2-3-4 for connecting to the female buckle 2-3-2, and an adjusting buckle 2-3-5. The second connecting strap 2-3-3 passes through the adjusting buckle 2-3-5, around the male buckle 2-3-4, and through the adjusting buckle 2-3-5 in sequence. At the same time, the constraint sleeve 2-1 is provided with an opening 2-1-1 corresponding to the transparent observation window. One side of the flexible transparent observation window 2-2 is fixed to the constraint sleeve 2-1, and the other side of the flexible transparent observation window 2-2 is glued and fixed to the constraint sleeve 2-1 by a second Velcro 2-4.

[0027] Implementation Results: First, during the puncture, to conform to physiological function, the back of the patient's hand faces upwards. The patient's left or right palm on the puncture side is held at the corner of the top of the raised pillow 1 (to achieve a natural clenching posture) and embedded in the recessed groove 1-1 for restraint, while simultaneously separating the fingers, thus preventing interdigital erosion, odor, and eczema. Second, the restraint sleeve 2-1 covers the patient's wrist on the puncture side, and is fixed by an adjustable buckle connector 2-3, thus providing quick... The first function is to provide quick restraint; secondly, the elevation pillow 1 can prevent poor blood flow caused by prolonged restraint, and can promote blood return and reduce swelling in patients with limb swelling. The height adjustment structure 4 can keep the puncture point and heart in a horizontal position. Finally, the flexible transparent observation window 2-2 can be opened and, together with the patient's wrist, the skin condition of the puncture point can be observed at any time, avoiding complications such as catheter displacement, skin friction, or bleeding and leakage at the puncture point caused by restraint obstruction or pressure, and reducing the need for repeated catheter placement.

[0028] By adjusting the depth of the wedge-shaped pillow 4-1 embedded in the wedge-shaped groove 1-2, the height of the elevation pillow 1 at the junction of the vertically extending right-angled surface and the horizontally extending right-angled surface can be adjusted. Although the other side of the elevation pillow 1 is suspended in its natural state, it does not affect the placement of the wrist, ultimately ensuring that the puncture point and the heart remain horizontal. The recessed groove 1-1 includes a first recessed portion 1-1-1, two second recessed portions 1-1-2, and four third recessed portions 1-1-3, allowing the patient's left or right palm to be embedded and positioned, and separating the five fingers. Simultaneously, the three recessed portions extend to the top corner, allowing the patient's remaining four fingers to grasp, maintaining a natural bend in the grasping position. By adjusting the length of the end of the second connecting strap 2-3-3 that ultimately passes through the adjusting buckle 2-3-5, the tightness of the buckle connector 2-3 can be adjusted. This setting allows the flexible transparent observation window 2-2 to be opened, thus facilitating a clear observation of the patient's skin condition at the puncture site.

[0029] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A wrist restraint device for radial artery blood pressure monitoring, characterized in that: Includes a lifting pillow (1), a wrist restraint assembly disposed on the lifting pillow (1), and a strap assembly (3) disposed on the front and rear sides of the lifting pillow (1) for fixing the lifting pillow (1); The side of the raised pillow (1) is a right triangle, and the bottom of the raised pillow (1) is provided with a height adjustment structure (4). The length of the right angle surface of the raised pillow (1) extending in the vertical direction is less than the length of the right angle surface extending in the horizontal direction. The raised pillow (1) is provided with a recessed groove (1-1) for the patient's left or right hand to be held at the top corner and for the fingers to be separated. The wrist restraint assembly includes a restraint sleeve (2-1) located below a recessed groove (1-1) on the inclined surface of an elevation pillow (1) for the patient's wrist to pass through; a flexible transparent observation window (2-2) located in the middle of the restraint sleeve (2-1) for observing the puncture point after the patient's wrist is rotated; and adjustable buckle connectors (2-3). One side of the restraint sleeve (2-1) is connected to the elevation pillow (1), and the other side of the restraint sleeve (2-1) is fixed to the elevation pillow (1) by two buckle connectors (2-3). The flexible transparent observation window (2-2) can be opened.

2. The wrist restraint device for radial artery blood pressure monitoring according to claim 1, characterized in that: A wedge groove (1-2) is provided between the right-angled surface extending vertically and the right-angled surface extending horizontally of the lifting pillow (1). The upper surface of the wedge groove (1-2) extends downward at an angle away from the right-angled surface extending vertically. The height adjustment structure (4) includes a wedge pillow (4-1) disposed in the wedge groove (1-2), a hook and loop fastener (4-2) disposed on the wedge surface of the wedge pillow (4-1), and a hook and loop fastener (4-3) disposed on the upper surface of the wedge groove (1-2).

3. The wrist restraint device for radial artery blood pressure monitoring according to claim 1, characterized in that: The recessed groove (1-1) includes a first recess (1-1-1) disposed on the inclined surface of the raised pillow (1) and into which the patient's palm is inserted; a second recess (1-1-2) disposed on both sides of the first recess (1-1-1) and into which the patient's thumb is inserted; and four third recesses (1-1-3) disposed on the top of the first recess (1-1-1) and into which the patient's other four fingers are inserted. The third recesses (1-1-3) extend to the top corner and are used for the patient's other four fingers to grasp.

4. The wrist restraint device for radial artery blood pressure monitoring according to claim 1, characterized in that: The buckle connector (2-3) includes a first connecting strip (2-3-1) on the lifting pillow (1), a female buckle (2-3-2) on the first connecting strip (2-3-1), a second connecting strip (2-3-3) on one side of the restraint sleeve (2-1), a male buckle (2-3-4) for connecting to the female buckle (2-3-2), and an adjusting buckle (2-3-5). The second connecting strip (2-3-3) passes through the adjusting buckle (2-3-5), around the male buckle (2-3-4), and through the adjusting buckle (2-3-5) in sequence.

5. A wrist restraint device for radial artery blood pressure monitoring according to claim 1, characterized in that: The constraint sleeve (2-1) has an opening (2-1-1) corresponding to the transparent observation window. One side of the flexible transparent observation window (2-2) is fixed to the constraint sleeve (2-1), and the other side of the flexible transparent observation window (2-2) is glued and fixed to the constraint sleeve (2-1) by a second Velcro (2-4).

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