Prone position ventilation support device

Abstract

The utility model provides a kind of prone position ventilation support device, including bottom plate, headrest subassembly and support component;Headrest subassembly is installed on the top surface of bottom plate by support component, and ventilation hole is set in the middle part of headrest subassembly;Support component includes sleeve, telescopic link, locking knob, sleeve bottom end is installed on bottom plate, the top end of telescopic link is fixedly connected with headrest subassembly, the bottom end of telescopic link extends into the inner chamber of sleeve, spring is arranged in the inner chamber of sleeve, the both ends of spring are fixedly connected with the end surface of telescopic link and the inner end wall of sleeve respectively;Locking knob is installed in the top end side of sleeve.The telescopic length of each telescopic link is fixed by locking knob, the height difference of front end and rear end of headrest subassembly is adjusted, can prevent cervical vertebra excessive flexion or cervical vertebra excessive extension;By adjusting the height difference of left end and right end of headrest subassembly, the compressed part of face profile can be adjusted, prevent local skin from being compressed for a long time, reduce the risk of pressure injury.

Description

Technical Field

[0001] This utility model relates to the field of medical auxiliary device technology, specifically to a prone ventilation support device. Background Technology

[0002] The prone position is a common and frequently used position in clinical nursing. Furthermore, prone ventilation is increasingly valued as part of mechanical ventilation therapy, as it can effectively correct uneven gas distribution in the lungs, improve ventilation-perfusion ratio, improve oxygenation and hypercapnia, promote sputum expectoration, and expand alveoli. To ensure the patient's head is in a suitable position and facilitates ventilation while prone, a head pillow is usually placed to support the head. Using a scientifically designed prone head pillow also helps improve pressure on the patient's face, reducing the incidence of facial pressure sores.

[0003] Most commonly used headrests are of fixed height. However, due to significant individual differences in cervical curvature, neck length, body size, and muscle tension among patients, fixed-height headrests cannot fit everyone. While some prone headrests on the market offer overall height adjustment, these are improvements over fixed-height headrests. They only adjust the overall height and cannot change the height difference between the front and back ends or the left and right ends. This can still lead to the following problems: Because the height difference between the front and back ends cannot be adjusted, the natural forward curvature of the cervical spine (approximately 20°~30°) may cause excessive flexion or extension of the cervical spine; because the height difference between the left and right ends cannot be adjusted, pressure points on the facial contours cannot be adjusted, leading to prolonged pressure on localized skin and increasing the risk of pressure sores. Utility Model Content

[0004] To address the problems mentioned in the background section, this invention provides a simple and easy-to-use prone ventilation support device. The main innovation of this prone ventilation support device is that it can adjust the horizontal height and simultaneously adjust the anterior-posterior height difference and / or lateral height difference, thereby improving patient comfort and adaptability.

[0005] The present invention adopts the following technical solution: a prone ventilation support device, comprising a base plate, a headrest assembly and a support assembly; the headrest assembly is mounted on the top surface of the base plate by at least two support assemblies, and a ventilation hole is provided in the middle of the headrest assembly; The support assembly includes a sleeve, a telescopic rod, and a locking knob. The bottom end of the sleeve is mounted on the base plate, and the top end of the telescopic rod is fixedly connected to the headrest assembly. The bottom end of the telescopic rod extends into the inner cavity of the sleeve and can extend and retract vertically within the sleeve. A spring is provided inside the inner cavity of the sleeve, and the two ends of the spring are fixedly connected to the end face of the telescopic rod and the inner end wall of the sleeve, respectively. The locking knob is installed on the side of the top end of the sleeve for fixing the telescopic rod.

[0006] Furthermore, the headrest assembly includes four headrest blocks arranged in a matrix, each headrest block having an arc-shaped groove on one side edge, and the arc-shaped grooves on the four headrest blocks together form a ventilation hole; each headrest block is mounted on the top surface of the base plate by a support assembly.

[0007] Furthermore, four adjustment components are provided on the base plate. Each headrest block is mounted on an adjustment component via a support component. The adjustment components are used to drive the headrest blocks to move horizontally in order to adjust the relative positions of the four headrest blocks.

[0008] Furthermore, the adjustment assembly includes a screw, an extension rod, a limiting plate, and a knob; four strip-shaped grooves are formed on the top surface of the base plate, and a through hole is formed on the end wall of one end of the strip-shaped groove near the edge of the base plate, extending out of the edge of the base plate; one end of the screw is fixedly connected to the extension rod, the screw is located in the strip-shaped groove, the extension rod passes through the through hole, the knob is fixedly connected to the other end of the extension rod, and two limiting plates are fixedly mounted on the extension rod at a distance from each other, respectively located at both ends of the through hole; A slider is fixed at the bottom end of the sleeve, and a threaded through hole is provided on the slider. The slider is located in a strip groove and is threadedly connected to the screw through the threaded through hole, and can move along the length of the strip groove.

[0009] Furthermore, the two strip grooves are arranged collinearly, and the extensions of the four strip grooves intersect.

[0010] Furthermore, the headrest block includes a support block and a flexible padding layer covering the top and sides of the support block; the top of the telescopic rod is fixedly connected to the bottom of the support block, and the flexible padding layer is made of polymer gel.

[0011] Furthermore, the locking knob includes a rotating handle and a locking screw that are fixedly connected. A threaded hole communicating with the inner cavity of the sleeve is provided on the side of the sleeve. The locking screw is threadedly connected to the threaded hole, and the front end of the locking screw can extend into the inner cavity of the sleeve.

[0012] Furthermore, the initial state of the spring is a stretched state, causing the bottom end of the telescopic rod to be away from the inner end wall of the sleeve.

[0013] Preferably, the telescopic rod has markings on its outer surface indicating its length.

[0014] Furthermore, the prone ventilation support device also includes fixing straps, with one end of each of the two fixing straps fixedly installed on opposite sides of the headrest assembly, and the other end of each of the two fixing straps having Velcro fasteners that can be adhered to each other.

[0015] Beneficial effects: The headrest assembly of this prone ventilation support device is supported by springs within the support assembly. These springs adaptively adjust the height of the headrest according to the weight of the patient's head. By pressing down or raising the front or rear end, or left or right end of the headrest assembly, the corresponding springs are stretched or contracted. The height difference between the front and rear ends, or left and right ends, of the headrest assembly is fixed by a locking knob on the support assembly. Adjusting the height difference between the front and rear ends of the headrest assembly prevents excessive flexion or extension of the cervical spine. Adjusting the height difference between the left and right ends of the headrest assembly adjusts the pressure points on the facial contours, preventing prolonged pressure on local skin and reducing the risk of pressure injuries (pressure sores).

[0016] The headrest assembly consists of four headrest blocks, each individually adjustable via four adjustment components. This allows for easy adjustment of the distance between the headrest blocks to suit the patient's face size, ensuring a perfect fit and better head support. It also adjusts the pressure points on the patient's face, reducing the risk of pressure sores and improving patient comfort and device adaptability. Furthermore, the headrest blocks are coated with a high-molecular-weight gel, offering excellent breathability and skin-friendliness. This gel helps relieve pressure pain, distribute pressure points, reduce pressure damage to muscles and nerves, and prevent pressure sores, further enhancing patient comfort. Attached Figure Description

[0017] Appendix Figure 1 This is a three-dimensional structural diagram of the prone ventilation support device in this utility model.

[0018] Appendix Figure 2 This is a schematic diagram of the headrest assembly 2 and the support assembly 3 in this utility model.

[0019] Appendix Figure 3 This is a schematic diagram of the structure and installation of the headrest block 21 and the support component 3 in this utility model.

[0020] Appendix Figure 4 This is a partial structural cross-sectional view of the support component 3 in this utility model.

[0021] Appendix Figure 5 This is a schematic diagram of the structure of the base plate 1 and the adjustment component 4 in this utility model.

[0022] Appendix Figure 6This is a top view of the base plate 1 and the adjustment component 4 in this utility model.

[0023] Appendix Figure 7 This is a three-dimensional structural diagram of the prone ventilation support device with fixing strap 5 in this utility model.

[0024] The reference numerals in the attached drawings are explained as follows: base plate 1, strip groove 11, headrest assembly 2, headrest block 21, support block 211, flexible pad 212, support assembly 3, slider 31, threaded through hole 311, sleeve 32, telescopic rod 33, locking knob 34, spring 35, adjusting assembly 4, screw 41, extension rod 42, limiting plate 43, knob 44, fixing strap 5. Detailed Implementation

[0025] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. The content of the utility model will be further explained below in conjunction with the drawings: Example 1 This embodiment provides a prone ventilation support device that can adjust the height difference between the front and back of the patient's head, as well as the height difference between the left and right ends of the patient's head. It includes a base plate 1, a headrest assembly 2, a support assembly 3, and a fixing strap 5.

[0026] See attached document Figure 2 , 3 The headrest assembly 2 includes four headrest blocks 21 arranged in a matrix. One side edge of each headrest block 21 has an arc-shaped groove, and the arc-shaped grooves on the four headrest blocks 21 together form a ventilation hole. Each headrest block 21 includes a support block 211 and a flexible padding layer 212 covering the top and side surfaces of the support block 211. Each headrest block 21 is mounted on the top surface of the base plate 1 by a support assembly 3. The top of the support assembly 3 is fixedly connected to the bottom surface of the support block 211. The flexible padding layer 212 is made of polymer gel.

[0027] When the patient is in a prone position, the patient's mouth, nose and eyes are all inside the ventilation holes, which facilitates the patient's breathing. The edges of the ventilation holes are curved, and this curved surface contacts the patient's face, allowing the headrest assembly 2 to better fit the patient's face. At the same time, it can also reduce the vertical pressure on the face and provide more comfortable support.

[0028] Refer to the instruction manual appendix Figure 3 , 4The support assembly 3 includes a sleeve 32, a telescopic rod 33 and a locking knob 34. The bottom end of the sleeve 32 is mounted on the base plate 1. The top end of the telescopic rod 33 is fixedly connected to the headrest assembly 2. The bottom end of the telescopic rod 33 extends into the inner cavity of the sleeve 32 and can extend and retract vertically within the sleeve 32.

[0029] The telescopic rod 33 has markings on its outer side indicating its length, allowing for a direct view of the telescopic rod's extension and retraction within the sleeve 32. This indirectly helps determine the height difference between each support component 3 (corresponding to the headrest block 21). A spring 35 is installed inside the sleeve 32, with its two ends fixedly connected to the end face of the telescopic rod 33 and the inner end wall of the sleeve 32, respectively. The spring 35 is initially in a stretched state, causing the bottom end of the telescopic rod 33 to move away from the inner end wall of the sleeve 32 (or the top surface of the base plate 1).

[0030] The locking knob 34 is installed on the top side of the sleeve 32. The locking knob 34 includes a rotating handle and a locking screw that are fixedly connected. A threaded hole communicating with the inner cavity of the sleeve 32 is provided on the side of the sleeve 32. The locking screw is threadedly connected to the threaded hole, and the front end of the locking screw can extend into the inner cavity of the sleeve 32. After the locking screw is tightened by rotating the handle, the telescopic rod 33 is fixed on the sleeve 32 to fix the total length of the support assembly 3.

[0031] The prone ventilation support device is placed on one side of the headboard. When the patient's head is supported on the headrest assembly 2, the patient's mouth, nose, and eyes are all within the ventilation holes, and the patient's face is in contact with the curved surface of the ventilation hole edge. At this time, the spring is compressed by the weight of the patient's head. When the patient's cervical spine is excessively flexed or excessively extended, it is necessary to adjust the height difference between the front and back of the patient's head to the normal physiological curvature of the cervical spine. Taking the patient's cervical spine as an example, the patient's head is tilted back, that is, the height of the front of the patient's head is greater than the height of the back. Medical staff manually press down the two headrest blocks 21 at the front of the patient's head. The springs 35 in the corresponding support assembly 3 will be compressed accordingly. After the headrest blocks 21 are pressed down to the target position and the cervical spine returns to the normal physiological curvature, the height of all support assemblies 3 is fixed by the four locking knobs 34, thus completing the adjustment of the height difference between the front and back of the patient's head.

[0032] When it is necessary to turn the head left or right, the height difference between the left and right ends of the patient's head is adjusted to adjust the pressure points on the facial contours, prevent prolonged pressure on local skin, and reduce the risk of pressure injury. Taking turning the patient's head to the left as an example, medical staff manually press down on the two headrest blocks 21 located on the left end of the patient's head. The springs 35 in the corresponding support components 3 on the left end will be compressed accordingly. After the headrest blocks 21 are pressed down to the target position, the height of all support components 3 is fixed by the four locking knobs 34, thus achieving the leftward turning of the patient's head.

[0033] To prevent the patient's head from slipping off the headrest assembly 2 during left and right head turning, a fixing strap 5 is provided on the headrest assembly 2. One end of each of the two fixing straps 5 is fixedly installed on opposite sides of the headrest assembly 2, and the other end of each fixing strap 5 is provided with Velcro that can be stuck together. A pressure-reducing pad is fixed on the bottom surface of the fixing strap 5 where it contacts the patient's head. The pressure-reducing pad can be an inflatable pad, a sponge pad, or a memory foam pad, which can increase patient comfort and reduce the formation of pressure injuries.

[0034] Example 2 When the support device in Example 1 is used for patients with different head sizes, the size of the headrest component 2 cannot be adjusted, and it cannot be guaranteed to fit the patient's face perfectly, so its applicability is not strong.

[0035] This embodiment provides a prone ventilation support device that can adjust the height difference between the front and back of the patient's head, the height difference between the left and right ends of the head, and the size of the headrest assembly 2 to suit patients with different head sizes. It includes a base plate 1, a headrest assembly 2, a support assembly 3, an adjustment assembly 4, and a fixing strap 5.

[0036] Based on Example 1, and referring to the appendix Figure 1 , 5 6. The base plate 1 is a square flat plate. Four strip grooves 11 are provided on the top surface of the base plate 1. A through hole is provided on the end wall of the strip groove 11 near the edge of the base plate 1. The through hole extends out of the edge of the base plate 1. At the same time, the two strip grooves 11 are collinear and the extension lines of the four strip grooves 11 intersect.

[0037] Four adjustment components 4 are provided on the base plate 1. Each adjustment component 4 includes a screw 41, an extension rod 42, a limiting plate 43, and a knob 44. The screw 41 is fixedly connected to one end of the extension rod 42. The screw 41 is located in the strip groove 11. The extension rod 42 passes through the through hole. The knob 44 is fixedly connected to the other end of the extension rod 42. Two limiting plates 43 are fixedly mounted on the extension rod 42 at a distance from each other. They are located at both ends of the through hole, and the outer diameter of the limiting plates 43 is larger than the diameter of the through hole. The two limiting plates 43 are used to restrict the screw 41 and the extension rod 42 to rotate only and not move along the length direction.

[0038] A slider 31 is fixed at the bottom end of the sleeve 32. A threaded through hole 311 is provided on the slider 31. The slider 31 is located in the strip groove 11 and is threadedly connected to the screw 41 through the threaded through hole 311. The screw 41 and the extension rod 42 are driven to rotate by the knob 44, which can drive the slider 31 to move along the length direction of the strip groove 11.

[0039] See attached document Figure 2 , 3The headrest assembly 2 includes four headrest blocks 21 arranged in a matrix. One side edge of each headrest block 21 has an arc-shaped groove, and the arc-shaped grooves on the four headrest blocks 21 together form a ventilation hole. Each headrest block 21 includes a support block 211 and a flexible padding layer 212 covering the top and side surfaces of the support block 211. The top end of the telescopic rod 33 is fixedly connected to the bottom surface of the support block 211, and the flexible padding layer 212 is made of polymer gel.

[0040] Each headrest block 21 is mounted on an adjustment assembly 4 via a support assembly 3. Specifically, the top end of the telescopic rod 33 is fixedly connected to the bottom surface of the support block 211.

[0041] When adjusting the size of the headrest assembly 2, the screw 41 and extension rod 42 are driven to rotate by rotating the four knobs 44, thereby driving the slider 31 to move along the length of the strip groove 11. The support assembly 3 and the headrest block 21 move synchronously with the slider 31 along the length of the strip groove 11, thereby moving the four headrest blocks 21 away from or closer to each other, thus realizing the adjustment of the size of the headrest assembly 2, that is, the adjustment of the size of the ventilation hole, to adapt to patients with different head sizes and improve applicability.

[0042] Meanwhile, since the two strip grooves 11 are collinear and the extension lines of the four strip grooves 11 intersect, when adjusting the four headrest blocks 21, the size of the headrest assembly 2 (i.e. the size of the ventilation holes) can be proportionally enlarged and reduced, making size adjustment more convenient.

[0043] Place the prone ventilation support device on one side of the headboard of the hospital bed, with the patient's head supported on the headrest assembly 2. The patient's mouth, nose, and eyes are all inside the ventilation holes. Observe the position of the patient's forehead, cheeks, and chin in contact with the arc-shaped surface of the ventilation hole edge. Adjust the size of the ventilation hole by rotating the four knobs 44 to make the patient's forehead, cheeks, and chin as close as possible to the arc-shaped surface of the ventilation hole edge, ensuring a perfect fit with the patient's face.

[0044] Obviously, modifications and / or additions can be made to the above-mentioned prone ventilation support device and corresponding method without departing from the field and scope of this utility model.

[0045] It is equally clear that, although the present invention has described the prone ventilation support device in detail, those skilled in the art will certainly be able to obtain many other equivalent forms of prone ventilation support devices and corresponding methods that have the features described in the claims and are therefore within the scope of protection defined herein.

Claims

1. A prone ventilation support device, characterized in that: It includes a base plate (1), a headrest assembly (2) and a support assembly (3); the headrest assembly (2) is mounted on the top surface of the base plate (1) by at least two support assemblies (3), and a ventilation hole is provided in the middle of the headrest assembly (2); The support assembly (3) includes a sleeve (32), a telescopic rod (33), and a locking knob (34). The bottom end of the sleeve (32) is mounted on the base plate (1). The top end of the telescopic rod (33) is fixedly connected to the headrest assembly (2). The bottom end of the telescopic rod (33) extends into the inner cavity of the sleeve (32) and can extend and retract vertically within the sleeve (32). A spring (35) is provided inside the inner cavity of the sleeve (32). The two ends of the spring (35) are fixedly connected to the end face of the telescopic rod (33) and the inner end wall of the sleeve (32), respectively. The locking knob (34) is mounted on the side of the top end of the sleeve (32) and is used to fix the telescopic rod (33).

2. The prone ventilation support device according to claim 1, characterized in that: The headrest assembly (2) includes four headrest blocks (21) arranged in a matrix. An arc-shaped groove is provided on one side edge of each headrest block (21), and the arc-shaped grooves on the four headrest blocks (21) together form a ventilation hole. Each headrest block (21) is mounted on the top surface of the base plate (1) by a support assembly (3).

3. The prone ventilation support device according to claim 2, characterized in that: Four adjustment components (4) are provided on the base plate (1). Each headrest block (21) is mounted on an adjustment component (4) via a support component (3). The adjustment component (4) is used to drive the headrest block (21) to move horizontally in order to adjust the relative position of the four headrest blocks (21).

4. The prone ventilation support device according to claim 3, characterized in that: The adjustment assembly (4) includes a screw (41), an extension rod (42), a limiting plate (43), and a knob (44); four strip-shaped grooves (11) are provided on the top surface of the base plate (1), and a through hole is provided on the end wall of one end of the strip-shaped groove (11) near the edge of the base plate (1), the through hole extending out of the edge of the base plate (1); one end of the screw (41) is fixedly connected to one end of the extension rod (42), the screw (41) is located in the strip-shaped groove (11), the extension rod (42) passes through the through hole, the knob (44) is fixedly connected to the other end of the extension rod (42), and two limiting plates (43) are fixedly mounted on the extension rod (42) at a distance from each other, respectively located at both ends of the through hole; A slider (31) is fixed at the bottom end of the sleeve (32). A threaded through hole (311) is provided on the slider (31). The slider (31) is located in the strip groove (11) and is threadedly connected to the screw (41) through the threaded through hole (311). It can move along the length of the strip groove (11).

5. The prone ventilation support device according to claim 4, characterized in that: The two strip grooves (11) are arranged collinearly, and the extensions of the four strip grooves (11) intersect.

6. The prone ventilation support device according to claim 2, characterized in that: The headrest block (21) includes a support block (211) and a flexible padding layer (212) covering the top and sides of the support block (211); the top of the telescopic rod (33) is fixedly connected to the bottom of the support block (211), and the flexible padding layer (212) is made of polymer gel.

7. The prone ventilation support device according to claim 1, characterized in that: The locking knob (34) includes a rotating handle and a locking screw that are fixedly connected. A threaded hole communicating with the inner cavity of the sleeve (32) is provided on the side of the sleeve (32). The locking screw is threadedly connected to the threaded hole, and the front end of the locking screw can extend into the inner cavity of the sleeve (32).

8. The prone ventilation support device according to claim 1, characterized in that: The spring (35) is initially in a stretched state, causing the bottom end of the telescopic rod (33) to move away from the inner end wall of the sleeve (32).

9. The prone ventilation support device according to claim 1, characterized in that: The telescopic rod (33) has markings on its outer side indicating the length of the telescopic rod (33).

10. The prone ventilation support device according to any one of claims 1-9, characterized in that: The prone ventilation support device also includes fixing straps (5), one end of each of the two fixing straps (5) is fixedly installed on opposite sides of the headrest assembly (2), and the other end of each of the two fixing straps (5) is provided with Velcro that can be stuck together.

Images