Body position pad in hip replacement

Abstract

The utility model discloses a body position pad used in hip replacement, which comprises a pad body used for supporting lower limbs; wherein a concave limiting part is arranged at the position, opposite to the knee joint, of the pad body. According to the utility model, the pelvis can be maintained in a neutral position, so that the risks of pelvis inclination, unequal length of limb functionality and the like after an operation are reduced.

Description

Technical Field

[0001] The utility model relates to the field of body positioning pads, in particular to a body positioning pad used in hip replacement surgery. Background Art

[0002] In clinical work, the posterior approach and posterolateral approach to the hip joint are the most commonly used surgical approaches for hemiarthroplasty and total hip arthroplasty.

[0003] During surgery, the patient is positioned in the lateral decubitus position, with anterior and posterior pelvic fixators applied to the pubic symphysis and lumbosacral regions, respectively, to maintain a neutral pelvic position. Anterior and posterior fixators are used to stabilize the patient's torso at the sternum and scapula. During surgery, the affected limb remains in a flexed and adducted position for most of the time, which inevitably generates forces for adduction and internal rotation of the affected limb. This makes it difficult for the pelvis to maintain a neutral position, causing the surgical hemipelvis to rotate toward the opposite side and distally. This often leads to postoperative pelvic tilt and functional limb length discrepancy, resulting in gait abnormalities. Utility Model Content

[0004] The purpose of the utility model is to provide a positioning pad during hip replacement surgery, which can help the pelvis maintain a neutral position, thereby reducing the risks of postoperative pelvic tilt and functional limb length inequality.

[0005] The technical solution adopted by the present invention to solve the above problems is:

[0006] A positioning cushion for hip replacement surgery, comprising:

[0007] A pad body, which is used to support the lower limbs;

[0008] Wherein, a concave limiting portion is provided on the pad body at a position relative to the knee joint.

[0009] As a further improvement of the above technical solution, a through hole is opened through the pad body to form a limiting portion.

[0010] As a further improvement of the above technical solution, the edge of the top end of the through hole is provided with a chamfered structure.

[0011] As a further improvement of the above technical solution, the cushion body includes an inner core and an outer cover, the inner core is made of high-density sponge, and the outer cover is detachably wrapped around the inner core.

[0012] As a further improvement of the above technical solution, the jacket includes a top piece and a bottom piece, which are respectively covered on the top and bottom surfaces of the inner core, and are both annular. A connecting piece is provided in the through hole, and the connecting piece is made of elastic fabric. The left and right ends of the connecting piece are sewn together, and the edges of the top and bottom ends are sewn to the inner edges of the top piece and the bottom piece respectively. Side pieces are provided between the outer edges of the top piece and the bottom piece, and the side pieces cover the side surfaces of the inner core. The left and right ends of the side pieces are sewn together, and the edges of the bottom ends are sewn to the outer edge of the bottom piece. The edge of the top end of the side piece and the outer edge of the top piece are connected by a zipper.

[0013] As a further improvement of the above technical solution, the top sheet and the side sheets are both made of cotton cloth, and the bottom sheet is made of anti-slip cloth material.

[0014] As a further improvement of the above technical solution, the pad body is in the shape of an elongated block.

[0015] As a further improvement of the above technical solution, the pad body is divided into a first support portion for supporting the calf and a second support portion for supporting the thigh by a through hole.

[0016] As a further improvement of the above technical solution, the cushion body has a length of 60 cm, a width of 25 cm, a height of 5 cm, a radius of the through hole of 5 cm, and a length of the first support portion of 9 times the length of the second support portion.

[0017] Compared with the prior art, the present invention has the following advantages and effects:

[0018] The utility model reduces the degree of hip flexion and adduction of the affected limb and the force of adduction and internal rotation of the affected limb through the supporting effect of the pad body on the lower limb and the limiting effect of the limit part on the placement of the knee joint, thereby facilitating the maintenance of the neutral position of the pelvis and reducing the risk of postoperative pelvic tilt and functional limb length inequality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural schematic diagram of a body positioning pad in hip replacement surgery from a first perspective according to the present invention.

[0020] Figure 2 yes Figure 1 A schematic cross-sectional view of the structure of a local portion of the pad body is shown in FIG.

[0021] Figure 3 This is a structural schematic diagram of a second perspective of a positioning pad used in hip replacement surgery according to the present invention.

[0022] Among them, the cushion body 1, the limiting part 11, the through hole 2, the chamfered structure 21, the first supporting part 3, the second supporting part 4, the inner core 5, the outer cover 6, the top sheet 61, the bottom sheet 62, the connecting sheet 7, the side sheet 8, and the zipper 9. DETAILED DESCRIPTION

[0023] The present invention will be further described in detail below with reference to the accompanying drawings and through examples. The following examples are provided to explain the present invention, but the present invention is not limited to the following examples.

[0024] See also Figure 1-Figure 3 This embodiment provides a positioning cushion for hip replacement surgery, comprising a cushion body 1 for supporting the lower limbs. The cushion body 1 is in the form of an elongated block, ensuring the cushion's support area for the lower limbs. A recessed limiting portion 11 is provided on the cushion body 1 relative to the knee joint. When the patient is in the lateral decubitus position, the affected limb rests on the cushion body 1, with the knee joint of the affected limb resting on the limiting portion 11, supporting and limiting displacement of the affected limb. This reduces the degree of hip flexion and adduction, and the force of adduction and internal rotation, thereby facilitating the pelvis's maintenance of a neutral position and reducing the risk of postoperative pelvic tilt and functional limb length discrepancy.

[0025] See also Figure 1 、 Figure 2 The pad body 1 is penetrated by a through hole 2 and forms a limiting portion 11. The edge of the top of the through hole 2 is provided with a chamfered structure 21, which ensures the comfort of the pad body 1 while also improving the stability of the knee joint on the limiting portion 11.

[0026] See also Figure 1 The pad body 1 is divided into a first support part 3 for supporting the calf and a second support part 4 for supporting the thigh by a through hole 2, so that the pad body 1 can support both the thigh and the calf, while ensuring the supporting effect of the positioning pad and improving the comfort of using the positioning pad.

[0027] In this embodiment, the cushion body 1 has a length of 60 cm, a width of 25 cm, and a height of 5 cm. The radius of the through hole 2 is 5 cm. The length of the first support portion 3 is 9 times the length of the second support portion 4 .

[0028] See also Figure 2 The pad body 1 includes an inner core 5 and an outer cover 6. The inner core 5 is made of high-density sponge, which ensures the comfort of using the positioning pad support. The outer cover 6 is detachably wrapped around the inner core 5, which facilitates the disassembly, cleaning and replacement of the outer cover 6 on the positioning pad.

[0029] See also Figure 2 、 Figure 3The outer shell 6 includes a top sheet 61 and a bottom sheet 62, which are respectively covered on the top and bottom surfaces of the inner core 5. The top sheet 61 and the bottom sheet 62 are both annular. A connecting sheet 7 is provided in the through hole 2. The connecting sheet 7 is made of elastic fabric. While making the top sheet 61 and the bottom sheet 62 connect and transition naturally at the position of the limit portion 11, it also ensures the fit with the inner core 5. The left and right ends of the connecting sheet 7 are sewn together and the edges of the top and bottom ends are sewn to the inner edges of the top sheet 61 and the bottom sheet 62 respectively. On the edge, a side panel 8 is provided between the outer edges of the top sheet 61 and the bottom sheet 62. The side panel 8 covers the side of the inner core 5. The left and right ends of the side panel 8 are sewn together and the edge of the bottom end is sewn to the outer edge of the bottom sheet 62. The bottom sheet 62 is made of anti-slip cloth material, which reduces the risk of displacement when the positioning pad is placed in use, thereby ensuring the use effect of the positioning pad. The top sheet 61 and the side panel 8 are both made of cotton cloth material and the edge of the top of the side panel 8 and the outer edge of the top sheet 61 are connected by a zipper 9.

[0030] The above contents described in this specification are merely examples of the present invention. Those skilled in the art of the present invention may make various modifications, additions, or substitute similar methods to the specific embodiments described, as long as they do not deviate from the contents of this specification or exceed the scope defined by the claims, and shall fall within the scope of protection of the present invention.

Claims

1. A positioning cushion for hip replacement surgery, characterized in that: include: A pad body, which is used to support the lower limbs; Wherein, a concave limiting portion is provided on the pad body at a position relative to the knee joint.

2. The positioning cushion for hip replacement surgery according to claim 1, characterized in that: A through hole is formed on the pad body to form a limiting portion.

3. The positioning cushion for hip replacement surgery according to claim 2, characterized in that: The edge of the top end of the through hole is provided with a chamfer structure.

4. The positioning cushion for hip replacement surgery according to claim 3, characterized in that: The cushion body comprises an inner core and an outer cover, wherein the inner core is made of high-density sponge and the outer cover is detachably wrapped around the inner core.

5. The positioning cushion for hip replacement surgery according to claim 4, characterized in that: The jacket includes a top sheet and a bottom sheet, which respectively cover the top and bottom surfaces of the inner core. Both the top sheet and the bottom sheet are annular, and a connecting sheet is provided in the through hole. The connecting sheet is made of elastic fabric, and the left and right ends of the connecting sheet are sewn together, and the edges of the top and bottom ends are sewn to the inner edges of the top sheet and the bottom sheet respectively. Side sheets are provided between the outer edges of the top sheet and the bottom sheet, and the side sheets cover the side surfaces of the inner core. The left and right ends of the side sheets are sewn together, and the edges of the bottom ends are sewn to the outer edges of the bottom sheet. The edges of the top ends of the side sheets and the outer edges of the top sheets are connected by a zipper.

6. The positioning cushion for hip replacement surgery according to claim 5, characterized in that: The top sheet and the side sheets are both made of cotton cloth, and the bottom sheet is made of anti-slip cloth.

7. The positioning cushion for hip replacement surgery according to claim 1, characterized in that: The pad body is in the shape of an elongated block.

8. The positioning cushion for hip replacement surgery according to claim 2, characterized in that: The pad body is divided into a first supporting portion for supporting the calf and a second supporting portion for supporting the thigh by a through hole.

9. The positioning cushion for hip replacement surgery according to claim 8, characterized in that: The cushion body has a length of 60 cm, a width of 25 cm, and a height of 5 cm. The radius of the through hole is 5 cm. The length of the first supporting portion is 9 times the length of the second supporting portion.

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