A semi-recumbent position anti-skid body position support cushion for bedridden patients

Abstract

This invention discloses a semi-recumbent anti-slip support cushion for bedridden patients, relating to the field of anti-slip mats. It includes a support mechanism comprising a support cushion body and an internal frame. The support cushion body includes a hip support base and a backrest body, with the hip support base and backrest body fixedly connected. The support mechanism includes two adjustable grooves on the upper surface of the hip support base, each with a built-in slider. This device, through the use of arc-shaped limiting protrusions and the hip support base, can accurately lock the position of the pelvis and effectively avoid the sacrococcygeal region. When the patient's back leans against the backrest body, generating a downward gravitational force, the arc-shaped limiting protrusions directly bear the resistance from the pelvis, stopping the downward slide at the hip bone. This effectively prevents continuous sliding due to gravity and avoids the restriction of lower limb movement caused by strong knee or foot blocking for anti-slip purposes.

Description

Technical Field

[0001] This invention relates to anti-slip mat technology, specifically to an anti-slip support cushion for bedridden patients in a semi-recumbent position. Background Technology

[0002] In clinical nursing practice, elderly patients who are bedridden for extended periods, as well as those paralyzed due to stroke, spinal cord injury, or post-fracture surgery, often require prolonged bed rest. Because these patients have limited mobility, their position is frequently adjusted to a semi-recumbent position during routine care to facilitate feeding, oral medication administration, drainage of respiratory secretions, and early rehabilitation training. Current nursing guidelines and clinical practice indicate that adjusting the patient's back support angle to between 30° and 60° effectively reduces the risk of gastric reflux and aspiration, improves the ventilation-perfusion ratio, promotes sputum drainage, and helps maintain the patient's visual field and psychological comfort, providing a positional basis for subsequent swallowing training, upper limb function exercises, and other rehabilitation measures.

[0003] Currently used wedge-shaped foam positioning pads or integral curved soft pads still have significant shortcomings in practical applications. First, these pads have a large contact area with the patient's buttocks. In a semi-recumbent position, the pelvis is prone to sliding forward and downward due to gravity. During continuous sliding, the skin and deep tissues of the sacrum and coccyx are subjected to significant shear forces, greatly increasing the risk of pressure injuries. Second, existing anti-slip measures mostly use external force limiting methods such as knee pads or foot guards. Although these can inhibit sliding to a certain extent, they severely restrict the free movement of the patient's lower limbs, leading to secondary problems such as limb compression discomfort and joint stiffness, resulting in poor patient compliance. In addition, most ergonomic seat cushions on the market are designed for the seated position of a wheelchair. Their mechanical support structure is not compatible with the force characteristics of the semi-recumbent position of a hospital bed, and cannot effectively prevent the body from sliding. Furthermore, the continuous pressure of large-area soft pads on the soft tissues of the buttocks can also cause local blood circulation disorders. Even without displacement, long-term use can still induce or aggravate the risk of pressure sores. It is evident that existing padding products have synergistic deficiencies in anti-slip performance, lower limb freedom of movement, body position adaptability, and soft tissue protection, making it difficult to meet the comprehensive needs of semi-recumbent position care for long-term bedridden patients. Summary of the Invention

[0004] The purpose of this invention is to provide a non-slip support cushion for semi-recumbent patients in bed, in order to solve the problem that existing cushion products have synergistic defects in terms of anti-slip performance, lower limb freedom of movement, body position adaptability and soft tissue protection, making it difficult to meet the comprehensive needs of semi-recumbent care for long-term bedridden patients.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a non-slip support cushion for bedridden patients in a semi-recumbent position, comprising:

[0006] The support mechanism includes a support pad body and an internal frame. The support pad body includes a hip support base and a backrest body. The hip support base is fixedly connected to the backrest body. Both the hip support base and the backrest body have accommodating cavities inside. An accommodating slot is formed at the connection between the hip support base and the backrest body. The accommodating slot communicates with the accommodating cavity. The internal frame is located inside the accommodating cavity.

[0007] The support mechanism includes two adjustable slide grooves formed on the upper surface of the hip support base. Each adjustable slide groove has a built-in slider that slides in conjunction with it. The upper surface of each built-in slider has a connecting slot, into which a connecting block is inserted. An arc-shaped limiting protrusion is fixedly connected to the connecting block. A locking component is also provided between the connecting block and the connecting slot to secure them together.

[0008] Furthermore, the locking assembly includes a locking slot formed on one side inside the connecting slot and a built-in groove formed on one side of the connecting block, the position and shape of which correspond to the locking slot.

[0009] Furthermore, the built-in groove is provided with a compression spring and a locking protrusion. One end of the compression spring is fixedly connected to the built-in groove, and the other end of the compression spring is fixedly connected to the locking protrusion. The locking protrusion slides with the built-in groove and is inserted into the locking slot.

[0010] Furthermore, a positioning slot is provided on one side of the built-in slider, and a positioning post is slidably connected inside the positioning slot. The positioning slot is connected to the locking slot.

[0011] Furthermore, an annular mounting plate is fixedly installed on the inner peripheral side of the positioning slot, an annular groove is formed on the peripheral side of the positioning post, a return spring is fitted on the peripheral side of the annular groove, and one end of the return spring is connected to the annular mounting plate.

[0012] Furthermore, the built-in frame includes a first support plate, a first rotating shaft and a second support plate disposed at one end of the first support plate, the second support plate being movably engaged with the first support plate via the first rotating shaft, and a positioning compartment being fixedly installed on one side of the first support plate.

[0013] Furthermore, the positioning chamber includes a second rotating shaft, a ratchet fixedly mounted on the circumferential side of the first rotating shaft, and a limiting tooth movably mounted on the second rotating shaft. The limiting tooth engages with the ratchet, and an adjustment chamber is also provided on the upper surface of the positioning chamber.

[0014] Furthermore, the adjusting chamber is provided with a threaded hole, and a compression stud is screwed into the threaded hole. A knob is fixedly connected to one end of the compression stud, and a compression protrusion is fixedly connected to the other end of the compression stud. The compression protrusion is in contact with the limiting protrusion.

[0015] Furthermore, a reserved groove is provided on one side of the hip support base, the reserved groove is connected to the receiving groove, and the position of the reserved groove corresponds to the positioning chamber.

[0016] Furthermore, the lower surface of the hip support base is provided with a silicone anti-slip dot matrix, and positioning elastic straps are also fixedly connected to both sides of the hip support base.

[0017] Compared with existing technologies, the beneficial effects of the non-slip body support cushion for semi-recumbent patients provided by this invention are:

[0018] (1) By setting arc-shaped limiting protrusions and buttock support base, this invention can achieve precise locking of the human pelvis and effective avoidance of the sacrum and coccyx. In use, medical staff first adjust the two arc-shaped limiting protrusions on the left and right to the positions corresponding to the hip bones on both sides of the patient by adjusting the sliding groove of the built-in slider according to the patient's body shape. Then, the connecting plug and the connecting slot are matched, and the locking protrusion is pushed into the locking slot by the compression spring to complete the quick locking, so that the protrusion is firmly locked on the upper edge of the pelvis. When the patient's back is leaning against the backrest body and the downward gravity component is generated, the arc-shaped limiting protrusion directly bears the blocking force from the pelvis, stopping the downward trend at the hip bone, rather than acting on the soft sacrum. The soft tissue at the tailbone effectively prevents the patient from continuously sliding down due to gravity, avoiding the restriction of lower limb movement caused by strong knee or foot blocking for anti-slip purposes. On the other hand, since the support surface of the buttock support base is mainly concentrated in the ischial tuberosity area, while the corresponding slotted area of ​​the sacrococcygeal region is hollow, the skin of the sacrococcygeal region is completely suspended and unpressurized when lying down. This mechanical mechanism of pelvic force and sacrococcygeal suspension eliminates the shear force and continuous pressure on the sacrococcygeal region from the root, greatly reducing the risk of pressure injury, while providing sufficient space for the patient's lower limbs to move, significantly improving the comfort and safety of long-term bedridden patients.

[0019] (2) This invention uses an internal frame with a first support plate and a second support plate, which, together with a ratchet and a limiting tooth in the positioning chamber, forms a one-way locking mechanism. When in use, the nurse only needs to push the backrest body upward to the angle required by the patient. At this time, the ratchet and the limiting tooth automatically engage and lock. When it is necessary to flatten or adjust the angle, rotating the knob drives the compression stud forward, causing the compression protrusion to push open the limiting tooth and disengage from the ratchet. The first rotating shaft can then be freely rotated to achieve angle reset. This adjustment structure is simple and reliable, can be operated with one hand, and does not require tools. It is convenient for nurses to quickly change the body position according to the needs of eating, rehabilitation training, or rest. The design of the reserved slot ensures that the internal... The mechanism does not interfere with the outer shell. In terms of disassembly and anti-slip, the connecting plug and the built-in slider adopt a quick-release locking structure. Pressing the positioning post will push out the locking protrusion to release the lock, realizing the quick insertion and removal of the arc-shaped limiting protrusion. This facilitates cleaning and disinfection, or allows for the selection of different sizes of arc-shaped limiting protrusions according to different body types of patients. At the same time, the silicone anti-slip dot matrix on the lower surface of the buttock support base increases the coefficient of friction with the bed surface. Combined with the positioning elastic straps on both sides to bind and fix it to the edge of the bed, it forms a double insurance of base anti-slip and overall binding, effectively preventing the entire backrest from shifting on the bed surface, ensuring that the adjusted angle and position remain stable for a long time, and further enhancing the safety and convenience of clinical use. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.

[0021] Figure 1 This is a schematic diagram of the front-view exploded structure provided in an embodiment of the present invention;

[0022] Figure 2 This is a schematic diagram of the rear-view exploded structure provided in an embodiment of the present invention;

[0023] Figure 3 This is a schematic diagram of the exploded structure from a right-side downward view, provided in an embodiment of the present invention.

[0024] Figure 4 This is a schematic diagram of the exploded structure from a left-facing, upward-view perspective, provided in an embodiment of the present invention.

[0025] Figure 5 This is a schematic diagram of the internal structure of the positioning chamber provided in an embodiment of the present invention;

[0026] Figure 6 This is a schematic diagram of the specific structure of the connecting plug provided in an embodiment of the present invention.

[0027] Explanation of reference numerals in the attached figures:

[0028] 1. Support pad body; 2. Internal frame; 3. Hip support base; 4. Backrest body; 5. First support plate; 6. Second support plate; 7. Accommodation slot; 8. Reserved slot; 9. Positioning compartment; 10. Adjustment compartment; 11. Positioning elastic band; 12. Adjustment slide; 13. Internal slider; 14. Connecting slot; 15. Arc-shaped limiting protrusion; 16. Connecting insert; 17. Positioning post; 18. Silicone anti-slip dot matrix; 19. Internal groove; 20. Compression spring; 21. Locking protrusion; 22. Locking slot; 23. Return spring; 24. Positioning slot; 25. First pivot; 26. Ratchet; 27. Second pivot; 28. Limiting tooth; 29. ​​Threaded hole; 30. Compression stud; 31. Compression protrusion; 32. Knob. Detailed Implementation

[0029] To enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0030] As attached Figure 1 To be continued Figure 6 As shown:

[0031] Example 1:

[0032] This invention provides a semi-recumbent anti-slip body support cushion for bedridden patients, comprising: a support mechanism, the support mechanism including a support cushion body 1 and an internal frame 2, the support cushion body 1 including a hip support base 3 and a backrest body 4, the hip support base 3 and the backrest body 4 being fixedly connected, both the hip support base 3 and the backrest body 4 having an accommodating cavity inside, an accommodating slot 7 being provided at the connection between the hip support base 3 and the backrest body 4, the accommodating slot 7 being connected to the accommodating cavity, and the internal frame 2 being located inside the accommodating cavity;

[0033] The support mechanism includes two adjustment grooves 12 on the upper surface of the hip support base 3. The adjustment grooves 12 are equipped with built-in sliders 13 inside the adjustment grooves 12. The built-in sliders 13 slide in cooperation with the adjustment grooves 12. The upper surface of the built-in sliders 13 is provided with connecting slots 14. Connecting blocks 16 are inserted into the connecting slots 14. Arc-shaped limiting protrusions 15 are fixedly connected to the connecting blocks 16. A locking component is also provided between the connecting blocks 16 and the connecting slots 14 to fix the two together.

[0034] Specifically, the locking assembly includes a locking slot 22 located on one side inside the connecting slot 14 and an internal groove 19 located on one side of the connecting block 16. The position and shape of the internal groove 19 correspond to the locking slot 22.

[0035] Specifically, the built-in groove 19 is equipped with a compression spring 20 and a locking protrusion 21. One end of the compression spring 20 is fixedly connected to the built-in groove 19, and the other end of the compression spring 20 is fixedly connected to the locking protrusion 21. The locking protrusion 21 is slidably engaged with the built-in groove 19 and is inserted into the locking slot 22. Through this detachable structure, different sizes of arc-shaped limiting protrusions 15 can be easily replaced according to patients of different body types.

[0036] Specifically, a positioning slot 24 is provided on one side of the built-in slider 13, and a positioning post 17 is slidably connected inside the positioning slot 24. The positioning slot 24 is connected to the locking slot 22.

[0037] Specifically, an annular mounting plate is fixedly installed on the inner periphery of the positioning slot 24, and an annular groove is opened on the periphery of the positioning post 17. A return spring 23 is fitted on the periphery of the annular groove, and one end of the return spring 23 is connected to the annular mounting plate.

[0038] Working principle: This invention, by setting arc-shaped limiting protrusions 15 and hip support base 3, can achieve precise locking of the human pelvis and effective avoidance of the sacrum and coccyx. In use, medical staff first adjust the two arc-shaped limiting protrusions 15 to the positions corresponding to the patient's hip bones by adjusting the sliding groove 12 and sliding the built-in slider 13 according to the patient's body shape. Then, the connecting insert 16 and the connecting slot 14 are connected. In conjunction with the compression spring 20, the locking protrusion 21 is pushed into the locking slot 22 to complete the rapid locking, so that the protrusion is firmly locked on the upper edge of the pelvis. When the patient's back is leaning against the backrest body 4 and a downward gravitational force is generated, the arc-shaped limiting protrusion 15 directly bears the blocking force from the pelvis, stopping the downward trend at the hip bone, rather than acting on the soft sacral and coccygeal soft tissues. This structure effectively prevents the patient from continuously sliding down due to gravity, avoiding the restriction of lower limb movement caused by strong blocking of the knee or foot for anti-slip purposes. On the other hand, since the support surface of the buttock support base 3 is mainly concentrated in the ischial tuberosity area, while the corresponding accommodating slot 7 area of ​​the sacral and coccygeal region is hollow, the skin of the sacral and coccygeal region is completely suspended and unpressed when lying down. This mechanical mechanism of pelvic force and sacral and coccygeal suspension eliminates the shear force and continuous pressure on the sacral and coccygeal region from the root, greatly reducing the risk of pressure injury, while providing sufficient space for the patient's lower limbs to move, significantly improving the comfort and nursing safety of long-term bedridden patients.

[0039] Example 2:

[0040] As attached Figure 1 To be continued Figure 6 As shown:

[0041] This embodiment is basically the same as the previous embodiment. The built-in frame 2 includes a first support plate 5, a first rotating shaft 25 and a second support plate 6 disposed at one end of the first support plate 5. The second support plate 6 is movably engaged with the first support plate 5 through the first rotating shaft 25. A positioning chamber 9 is also fixedly installed on one side of the first support plate 5.

[0042] Specifically, the positioning chamber 9 includes a second rotating shaft 27, a ratchet 26 fixedly installed on the side of the first rotating shaft 25, and a limiting tooth 28 movably installed on the second rotating shaft 27. The limiting tooth 28 engages with the ratchet 26. An adjustment chamber 10 is also provided on the upper surface of the positioning chamber 9.

[0043] Specifically, the regulating chamber 10 has a threaded hole 29, and a compression stud 30 is screwed into the threaded hole 29. A knob 32 is fixedly connected to one end of the compression stud 30, and a compression protrusion 31 is fixedly connected to the other end of the compression stud 30. The compression protrusion 31 is in contact with the limiting protrusion 28.

[0044] Specifically, a reserved groove 8 is provided on one side of the hip support base 3. The reserved groove 8 is connected to the receiving groove 7, and the position of the reserved groove 8 corresponds to the positioning chamber 9.

[0045] Specifically, the lower surface of the buttock support base 3 is provided with silicone anti-slip dot matrix 18, and the two sides of the buttock support base 3 are also fixedly connected with positioning elastic straps 11.

[0046] Working Principle: This invention uses an internal frame 2 with a first support plate 5 and a second support plate 6, which, together with a ratchet 26 and a limiting tooth 28 in the positioning chamber 9, forms a one-way locking mechanism. In use, the caregiver simply pushes the backrest body 4 upwards to the desired angle. At this time, the ratchet 26 and the limiting tooth 28 automatically engage and lock. When it is necessary to flatten or adjust the angle, rotating the knob 32 drives the compression stud 30 forward, causing the compression protrusion 31 to push open the limiting tooth 28 and disengage from the ratchet 26. The first rotating shaft 25 can then be freely rotated to reset the angle. This adjustment structure is simple and reliable, can be operated with one hand without tools, and allows caregivers to quickly change the patient's position according to their needs for eating, rehabilitation training, or rest. The design of the reserved slot 8 ensures that the internal mechanism will not interfere with the outer shell during angle adjustment. For disassembly and anti-slip, the connecting block 16 and the internal slider 13 adopt a quick-release locking structure. Pressing the positioning pin 17... The locking protrusion 21 can be pushed out to unlock, allowing for quick insertion and removal of the arc-shaped limiting protrusion 15 for easy cleaning and disinfection. Different sizes of arc-shaped limiting protrusion 15 can be selected according to different body types of patients. At the same time, the silicone anti-slip dot matrix 18 on the lower surface of the buttock support base 3 increases the coefficient of friction with the bed surface. Combined with the positioning elastic straps 11 on both sides to bind and fix it to the edge of the bed, it forms a double insurance of base anti-slip and overall binding, effectively preventing the cushion from shifting on the bed surface and ensuring that the adjusted angle and position remain stable for a long time, further enhancing the safety and convenience of clinical use.

[0047] The foregoing has only described certain exemplary embodiments of the present invention by way of illustration. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the foregoing drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A non-slip support cushion for bedridden patients in a semi-recumbent position, characterized in that, include: The support mechanism includes a support pad body (1) and an internal frame (2). The support pad body (1) includes a hip support base (3) and a backrest body (4). The hip support base (3) is fixedly connected to the backrest body (4). Both the hip support base (3) and the backrest body (4) have accommodating cavities inside. An accommodating slot (7) is provided at the connection between the hip support base (3) and the backrest body (4). The accommodating slot (7) is connected to the accommodating cavity. The internal frame (2) is located inside the accommodating cavity. The support mechanism includes an adjustment groove (12) on the upper surface of the hip support base (3). There are two adjustment grooves (12). An internal slider (13) is provided inside the adjustment groove (12). The internal slider (13) slides with the adjustment groove (12). A connecting slot (14) is provided on the upper surface of the internal slider (13). A connecting block (16) is inserted into the connecting slot (14). An arc-shaped limiting protrusion (15) is fixedly connected to the connecting block (16). A locking component for fixing the two is also provided between the connecting block (16) and the connecting slot (14).

2. The anti-slip body support cushion for bedridden patients in a semi-recumbent position according to claim 1, characterized in that, The locking assembly includes a locking slot (22) located on one side inside the connecting slot (14) and an internal groove (19) located on one side of the connecting plug (16), the position and shape of which correspond to the locking slot (22).

3. The anti-slip body support cushion for bedridden patients in a semi-recumbent position according to claim 2, characterized in that, The built-in groove (19) is provided with a compression spring (20) and a locking protrusion (21). One end of the compression spring (20) is fixedly connected to the built-in groove (19), and the other end of the compression spring (20) is fixedly connected to the locking protrusion (21). The locking protrusion (21) is slidably engaged with the built-in groove (19), and the locking protrusion (21) is inserted into the locking slot (22).

4. The anti-slip body support cushion for bedridden patients in a semi-recumbent position according to claim 3, characterized in that, The built-in slider (13) has a positioning slot (24) on one side, and a positioning post (17) is slidably connected inside the positioning slot (24). The positioning slot (24) is connected to the locking slot (22).

5. A semi-recumbent anti-slip body support cushion for bedridden patients according to claim 4, characterized in that, An annular mounting plate is fixedly installed on the inner periphery of the positioning slot (24). An annular groove is opened on the periphery of the positioning post (17). A reset spring (23) is fitted on the periphery of the annular groove. One end of the reset spring (23) is connected to the annular mounting plate.

6. The anti-slip body support cushion for bedridden patients in a semi-recumbent position according to claim 1, characterized in that, The built-in frame (2) includes a first support plate (5), a first rotating shaft (25) and a second support plate (6) disposed at one end of the first support plate (5). The second support plate (6) is movably engaged with the first support plate (5) through the first rotating shaft (25). A positioning chamber (9) is also fixedly installed on one side of the first support plate (5).

7. A semi-recumbent anti-slip body support cushion for bedridden patients according to claim 6, characterized in that, The positioning chamber (9) includes a second rotating shaft (27), a ratchet (26) fixedly installed on the side of the first rotating shaft (25), and a limiting tooth (28) movably installed on the second rotating shaft (27). The limiting tooth (28) engages with the ratchet (26). An adjustment chamber (10) is also provided on the upper surface of the positioning chamber (9).

8. A semi-recumbent anti-slip body support cushion for bedridden patients according to claim 7, characterized in that, The regulating chamber (10) is provided with a threaded hole (29), and a pressing stud (30) is screwed into the threaded hole (29). A knob (32) is fixedly connected to one end of the pressing stud (30), and a pressing protrusion (31) is fixedly connected to the other end of the pressing stud (30). The pressing protrusion (31) is in contact with the limiting protrusion (28).

9. A semi-recumbent anti-slip body support cushion for bedridden patients according to claim 1, characterized in that, The hip support base (3) has a reserved groove (8) on one side, which is connected to the receiving groove (7). The position of the reserved groove (8) corresponds to the positioning chamber (9).

10. A semi-recumbent anti-slip body support cushion for bedridden patients according to claim 1, characterized in that, The lower surface of the hip support base (3) is provided with a silicone anti-slip dot matrix (18), and the two sides of the hip support base (3) are also fixedly connected with positioning elastic straps (11).

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