Medical external fixing brace pelvis fixing belt facilitating pelvis repair and pubis closure

Abstract

The invention belongs to the technical field of pelvis fixing belts, and particularly discloses a medical external fixing brace pelvis fixing belt facilitating pelvis repair and pubis closure, the medical external fixing brace pelvis fixing belt comprises an inner fixing belt, the inner fixing belt is of a long-strip-shaped structure, one end of the inner fixing belt is fixedly connected with a first connecting belt, and the other end of the inner fixing belt is fixedly connected with a second connecting belt. According to the medical external fixation brace pelvis fixing band beneficial to pelvis repair and pubic closure, the inner fixing band and the outer fixing band are arranged to form a double-layer structure to be connected with the pelvis area of the human body, the tightness of the inner fixing band is dynamically adjusted through the first connecting band and the second connecting band according to the pelvis size of a patient, and the device is preliminarily fixed; the outer fixing band is of a double-layer hollow structure, nickel-titanium memory alloy arc-shaped supporting rods are arranged in an interlayer, the net-shaped woven shape formed by the supporting rods is attached to the edge curve of the pelvis, elastic deformation can be achieved along with movement of the human body, continuous mechanical support is provided, and the pressing injury risk of a traditional rigid brace is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of pelvic fixing belts, in particular to a medical external fixation brace pelvic fixing belt which helps pelvic repair and pubic bone closure. Background Art

[0002] A pelvic support belt is a supportive device used in the pelvic area. It stabilizes the pelvic structure, relieves pain, and assists in rehabilitation by applying uniform pressure to the pelvis and surrounding areas. Hormones during pregnancy can cause relaxation of the pelvic ligaments, and the pelvis is unstable after delivery, which may be accompanied by problems such as pubic symphysis separation, rectus abdominis separation, and pelvic floor muscle relaxation. A pelvic support belt is often used to assist in pelvic repair.

[0003] Traditional pelvic support belts use a single elastic fabric or rigid plate structure, so it is difficult to accurately fit the complex curve of the pelvis. Although rigid braces can provide support, they lack dynamic adaptability and cannot produce elastic deformation with human body movement, which can easily lead to local compressive injuries and affect the repair effect. Summary of the Invention

[0004] The purpose of the present invention is to provide a medical external fixation brace, a pelvic fixation belt, which helps to repair the pelvis and close the pubic bone, so as to solve the problem in the above background technology that the pelvic fixation belt made of a single material cannot fit the bone curve surface, thus affecting the repair effect.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a medical external fixation brace pelvic belt that helps pelvic repair and pubic closure, comprising an internal fixation belt, the internal fixation belt being a long strip structure, one end of the internal fixation belt being fixedly connected to a No. 1 connecting belt, the other end of the internal fixation belt being fixedly connected to a No. 2 connecting belt, the No. 1 connecting belt being an elastic fabric structure, the surface of the No. 1 connecting belt being penetrated by a long strip through hole, the width of the No. 2 connecting belt being the same as the through hole on the surface of the No. 1 connecting belt, and the surface of the No. 2 connecting belt being fixedly installed with two Velcro, two of the Velcro are arranged in parallel on the surface of the No. 2 connecting belt, and the two Velcros are bonded and matched. The internal fixation belt, the No. 1 connecting belt, the No. 2 connecting belt and the Velcro constitute an internal fixation structure. The internal fixation structure is the basic support structure of the device. The outer surface of the internal fixation structure is provided with an external brace structure. The external brace structure achieves limited fixation of the pelvis and assists pubic closure through a double-layer structure formed by the cooperation of the external fixation belt and the internal fixation belt. The external brace structure includes an external fixation belt, and the external fixation belt is arranged on the outer surface of the internal fixation belt; Preferably, the external fixation belt is made of flexible fabric, and the external fixation belt is a hollow double-layer structure formed by sewing two layers of fabric together. A support rod is provided in the interlayer of the external fixation belt, and the support rod is made of nickel-titanium memory alloy. The support rod is an arc-shaped structure, and the arc-shaped support rod is arranged to fit the shape of the pelvic edge. The support rods are staggered and woven into a mesh structure, and the mesh structure woven by the support rods is bonded to the inside of the interlayer of the external fixation belt.

[0006] By adopting the above technical solution, the support rods with a mesh structure can be used to support the external fixing belt.

[0007] Preferably, the inner fixing belt is made of flexible fabric, and square ventilation holes are arranged on the surface of the inner fixing belt in parallel and equidistantly. An auxiliary limiting structure is provided below the inner fixing belt, and the auxiliary limiting structure limits the position of the inner fixing belt through the lower fixing belt and the positioning pad.

[0008] By adopting the above technical solution, the position of the inner fixing belt can be limited by utilizing the auxiliary limiting structure.

[0009] Preferably, the auxiliary limiting structure includes a lower fixing strap, which is a long strip structure and is made of elastic fabric. One end of the lower fixing strap is fixedly connected to a No. 1 connecting strap, and the other end of the lower fixing strap is fixedly connected to a No. 2 connecting strap. Velcro is provided on the surface of the No. 2 connecting strap, and the surface of the lower fixing strap is sewn to the surface of the inner fixing strap through elastic fabric. Two identical lower fixing straps are symmetrically arranged below the inner fixing strap, and a positioning pad is fixedly installed on the inner surface of the inner fixing strap. The positioning pad is made of memory foam, and the surface of the positioning pad is glued and fixed at the midline of the inner fixing strap.

[0010] By adopting the above technical solution, the position of the upper inner fixing belt can be restricted by utilizing the connection between the lower fixing belt and the leg.

[0011] Preferably, the outer surface of the external fixation belt is provided with a multi-stage compression structure, which compresses the surface of the external fixation belt with different strengths through the No. 1 airbag, the No. 2 airbag, the No. 3 airbag and the No. 4 airbag.

[0012] By adopting the above technical solution, the surface of the external fixation belt can be compressed with different strengths using the multi-level compression structure.

[0013] Preferably, the multi-stage compression structure includes an airbag No. 1, which is a long tube structure, and the surface of the airbag No. 1 is bonded and fixed to the outer surface of the external fixation belt. An airbag No. 2 is provided below the airbag No. 1, which is a long tube structure, and the surface of the airbag No. 2 is bonded and fixed to the outer surface of the external fixation belt. An airbag No. 3 is provided below the airbag No. 2, which is a long tube structure, and the surface of the airbag No. 3 is bonded and fixed to the outer surface of the external fixation belt. An airbag No. 4 is provided below the airbag No. 3, and the surface of the airbag No. 4 is bonded and fixed to the outer surface of the external fixation belt.

[0014] By adopting the above technical solution, different airbags can be used to apply pressure of different strengths to the surface of the external fixation belt.

[0015] Preferably, the internal volumes of the No. 1 airbag, No. 2 airbag, No. 3 airbag and No. 4 airbag decrease from top to bottom, and the No. 1 airbag, No. 2 airbag, No. 3 airbag and No. 4 airbag are respectively connected to micro air pumps, and the micro air pumps are fixedly installed on the outer surface of the external fixing belt. The four micro air pumps are divided into two groups, and the two groups of micro air pumps are symmetrically installed on the surface of the external fixing belt.

[0016] By adopting the above technical solution, the compression strength can be flexibly adjusted by using the air bags respectively connected to the micro air pumps.

[0017] Preferably, the inner surface of the outer fixing belt is provided with a positioning connection structure, and the positioning connection structure realizes the connection and fixation between the outer fixing belt and the inner fixing belt through the connecting sleeve and the connecting airbag.

[0018] By adopting the above technical solution, the connection and fixation between the outer fixing belt and the inner fixing belt can be achieved by utilizing the positioning connection structure.

[0019] Preferably, the positioning connection structure includes a connecting sleeve, which is a cylindrical structure that passes through from top to bottom, and is a flexible fabric structure. The connecting sleeve is fixedly installed on the outer surface of the inner fixing belt, and a connecting airbag is provided inside the connecting sleeve. One end of the connecting airbag passes through the surface of the No. 1 airbag and is inserted into the interior of the No. 1 airbag, and the other end of the connecting airbag passes through and is connected to the limiting airbag. The limiting airbag and the connecting airbag are vertically connected to form an inverted T-shaped structure. The surfaces of the limiting airbag and the connecting airbag are both flexible deformation structures. A positioning rod is fixedly installed on the inner wall of the connecting airbag, and the lower end of the positioning rod passes through the lower surface of the limiting airbag. The positioning rod is a steel wire rod structure.

[0020] By adopting the above technical solution, the connection limitation between the inner fixing belt and the outer fixing belt can be achieved by utilizing the snap connection between the connecting sleeve and the connecting airbag.

[0021] Preferably, the connecting sleeves are arranged at equal intervals on the surface of the inner fixing belt, and each of the connecting sleeves is respectively provided with a connecting airbag, a limiting airbag and a positioning rod. A supporting bag is provided between two adjacent connecting sleeves, and the supporting bag is an open bag-shaped structure made of cloth material. The surface of the supporting bag is fixedly mounted on the outer surface of the inner fixing belt.

[0022] By adopting the above technical solution, the support bag can be used to support additional cold compress and hot compress mechanisms.

[0023] Compared with the prior art, the beneficial effects of the present invention are: the medical external fixation brace pelvic belt that helps pelvic repair and pubic closure: 1. The present invention employs a double-layer structure with internal and external fixation straps to connect to the pelvic region. The internal fixation strap, through connecting straps 1 and 2, dynamically adjusts its tightness based on the patient's pelvic dimensions to provide initial fixation. The external fixation strap utilizes a double-layer hollow structure with curved support rods made of nickel-titanium shape memory alloy embedded in the interlayer. The mesh-like braided structure of the support rods conforms to the curve of the pelvic margin and elastically deforms with human movement, providing continuous mechanical support and avoiding the risk of compression injuries associated with traditional rigid braces. Furthermore, the shape memory properties of the shape memory alloy dynamically adapt to positional changes during pelvic repair, assisting in pubic closure. Furthermore, the external fixation belt of the present invention is connected to the internal fixation belt via a connecting sleeve and a connecting airbag. Therefore, the external and internal fixation belts can be independently removed and cleaned, thereby preventing the accumulation of dirt after long-term use. The surface of the internal fixation belt, which closely fits the human body, is provided with square ventilation holes. Combined with the flexible fabric material of the internal fixation belt, the ventilation performance during wearing is improved and the accumulation of dirt on the internal fixation belt caused by sweat accumulation is reduced. At the same time, an open-pocket-shaped support bag is provided on the surface of the internal fixation belt to accommodate an additional heating mechanism or a cold compress pack to meet the needs of different patients. 2. In the present invention, a lower fixing belt is provided below the inner fixing belt. The two symmetrically arranged lower fixing belts can be respectively installed at the thigh roots to limit the lateral displacement of the inner fixing belt and prevent the horizontal displacement of the device during use. The positioning cushion made of memory foam material provided on the inner surface of the inner fixing belt fits the curve of the human body's inguinal groove, fixes the midline position of the inner fixing belt and prevents the device from sliding up and down. The connecting sleeve on the outer surface of the inner fixing belt and the connecting airbag and the limiting airbag of the outer fixing belt form a locking mechanism. After the connecting airbag and the limiting airbag are inserted into the connecting sleeve, they expand under the action of the entering air and lock with the connecting sleeve to limit the outer fixing belt, ensuring the stable fit of the double-layer structure. When disassembling, the outer fixing belt and the inner fixing belt can be quickly separated by releasing the pressure of the airbag. 3. In the present invention, airbags No. 1, No. 2, No. 3 and No. 4 with decreasing volumes are arranged on the surface of the external fixation belt from top to bottom, forming a stepped compression, applying differentiated pressure to different areas of the pelvis to promote pubic closure. Each airbag is independently connected to a micro air pump, so that the pressure value of each airbag can be flexibly adjusted to avoid using a single force to compress the pelvis and affect the pelvic repair and pubic closure process. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the front view structure of the present invention; Figure 2 This is a rear view structural diagram of the present invention; Figure 3 Schematic diagram of the structure of the inner fixing belt and the lower fixing belt of the present invention; Figure 4 This is a schematic diagram of the installation structure of the connecting sleeve of the present invention; Figure 5 This is a schematic diagram of the side cross-sectional structure of the connecting sleeve of the present invention; Figure 6 This is a schematic diagram of the installation structure of the limiting airbag and the positioning rod of the present invention; Figure 7 This is a schematic diagram of the structure of the external fixing belt and the support rod of the present invention; Figure 8 This is a schematic diagram of the installation structure of the connecting airbag of the present invention; Figure 9 This is a schematic diagram of the installation structure of the connecting airbag and the connecting sleeve of the present invention; Figure 10 This is a schematic diagram of the installation structure of the inner and outer fixing belts of the present invention.

[0025] In the figure: 1. Inner fixing strap; 2. Connecting strap No. 1; 3. Connecting strap No. 2; 4. Velcro; 5. Lower fixing strap; 6. Positioning cushion; 7. External fixing strap; 8. Support rod; 9. Airbag No. 1; 10. Airbag No. 2; 11. Airbag No. 3; 12. Airbag No. 4; 13. Micro air pump; 14. Connecting sleeve; 15. Connecting airbag; 16. Limiting airbag; 17. Positioning rod; 18. Support bag. DETAILED DESCRIPTION

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figures 1-10The present invention provides a technical solution: a medical external fixation brace pelvic belt that helps pelvic repair and pubic closure, including an internal fixation belt 1, a No. 1 connecting belt 2, a No. 2 connecting belt 3, a Velcro 4, a lower fixation belt 5, a positioning cushion 6, an external fixation belt 7, a support rod 8, a No. 1 airbag 9, a No. 2 airbag 10, a No. 3 airbag 11, a No. 4 airbag 12, a micro air pump 13, a connecting sleeve 14, a connecting airbag 15, a limiting airbag 16, a positioning rod 17, and a supporting bag 18.

[0028] The inner fixing belt 1 is a long strip structure. One end of the inner fixing belt 1 is fixedly connected to the No. 1 connecting belt 2. The other end of the inner fixing belt 1 is fixedly connected to the No. 2 connecting belt 3. The No. 1 connecting belt 2 is an elastic fabric structure. The surface of the No. 1 connecting belt 2 is provided with a long strip through hole. The width of the No. 2 connecting belt 3 is the same as the through hole on the surface of the No. 1 connecting belt 2. Two Velcros 4 are fixedly installed on the surface of the No. 2 connecting belt 3. The two Velcros 4 are arranged in parallel on the surface of the No. 2 connecting belt 3. The two Velcros 4 are bonded and matched. The inner fixing belt 1, the No. 1 connecting belt 2, and the No. 2 connecting belt are connected. The connecting belt 3 and the Velcro 4 constitute an internal fixing structure, which is the basic supporting structure of the device. The outer surface of the internal fixing structure is provided with an external brace structure. The external brace structure realizes the limited fixation of the pelvis and assists the pubic closure by forming a double-layer structure through the cooperation of the external fixing belt 7 and the internal fixing belt 1. The external brace structure includes an external fixing belt 7, which is arranged on the outer surface of the internal fixing belt 1. The external fixing belt 7 is a flexible fabric. The external fixing belt 7 is a hollow double-layer structure formed by sewing two layers of fabric together. A support rod 8 is provided in the interlayer of the external fixing belt 7. The support rod 8 is nickel-titanium memory alloy, the support rod 8 is an arc-shaped structure, the arc-shaped support rod 8 is arranged to fit the shape of the pelvic edge, the support rods 8 are interlaced and woven into a mesh structure, and the mesh structure woven by the support rods 8 is bonded to the inner layer of the external fixation belt 7, the internal fixation belt 1 is a flexible fabric, and the surface of the internal fixation belt 1 is parallel and equidistantly provided with square air holes, and an auxiliary limiting structure is provided below the internal fixation belt 1, and the auxiliary limiting structure realizes the position restriction of the internal fixation belt 1 through the lower fixation belt 5 and the positioning cushion 6, and the auxiliary limiting structure includes a lower fixation belt 5, and the lower fixation belt 5 is long The strip structure is that the lower fixing belt 5 is made of elastic fabric, one end of the lower fixing belt 5 is fixedly connected to the No. 1 connecting belt 2, and the other end of the lower fixing belt 5 is fixedly connected to the No. 2 connecting belt 3. The surface of the No. 2 connecting belt 3 is provided with Velcro 4. The surface of the lower fixing belt 5 is sewn and connected to the surface of the inner fixing belt 1 through elastic fabric. Two identical lower fixing belts 5 are symmetrically arranged below the inner fixing belt 1. A positioning cushion 6 is fixedly installed on the inner surface of the inner fixing belt 1. The positioning cushion 6 is made of memory foam, and the surface of the positioning cushion 6 is glued and fixed at the midline of the inner fixing belt 1; like Figure 1 、 Figure 2 、 Figure 3 and Figure 7As shown, when using this device, first wear the internal fixation belt 1 to the patient's pelvis, and wrap the internal fixation belt 1 around the patient's pelvis so that the positioning cushion 6 is aligned with the midline of the inguinal groove. The positioning cushion 6 made of memory foam is deformed to fit the curve of the human body, and the internal fixation belt 1 is initially positioned. Hold the No. 1 connecting belt 2 and the No. 2 connecting belt 3 on both sides, pass the No. 2 connecting belt 3 through the long through-hole of the No. 1 connecting belt 2, and after the No. 2 connecting belt 3 passes around the through-hole of the No. 1 connecting belt 2, use two parallel Velcro strips 4 to stick the No. 1 connecting belt 2 and the No. 2 connecting belt 3 together to connect and fix them. During the fixation process, adjust the tightness of the internal fixation belt 1 as needed to form a ring-shaped wrapping structure on the patient's pelvis. After the internal fixation belt 1 is worn, similarly, use the two lower fixation belts 5 to fix the two The No. 1 connecting belt 2, the No. 2 connecting belt 3 and the Velcro 4 at the end connect the two ends of the lower fixing belt 5, so that the lower fixing belt 5 also forms a ring-shaped wrapping structure, and the lower fixing belt 5 is connected after passing around the thigh root. The two symmetrical lower fixing belts 5 are respectively connected to the thighs on both sides, and cooperate with the elastic fabric sewn below the inner fixing belt 1 to limit the position in the horizontal direction to prevent the inner fixing belt 1 from sliding laterally. After the inner fixing belt 1 is worn, the external fixing belt 7 is covered on the outer surface of the inner fixing belt 1 and connected. A nickel-titanium memory alloy support rod 8 is set in the interlayer of the external fixing belt 7 to form an arc-shaped mesh structure that fits the patient's pelvic contour, and uses the elastic restoring force of the memory alloy to assist in the closure of the pubic symphysis, and the mesh woven structure can ensure that the supporting force is evenly distributed to avoid single-point compression.

[0029] The inner surface of the outer fixing belt 7 is provided with a positioning connection structure, and the positioning connection structure realizes the connection and fixation between the outer fixing belt 7 and the inner fixing belt 1 through the connecting sleeve 14 and the connecting airbag 15. The positioning connection structure includes a connecting sleeve 14, which is a cylindrical structure that passes through from top to bottom. The connecting sleeve 14 is a flexible fabric structure. The connecting sleeve 14 is fixedly installed on the outer surface of the inner fixing belt 1, and the interior of the connecting sleeve 14 is penetrated by a connecting airbag 15. One end of the connecting airbag 15 passes through the surface of the No. 1 airbag 9 and is inserted into the interior of the No. 1 airbag 9. The other end of the connecting airbag 15 is connected to the limiting airbag 16. The limiting airbag 16 is connected to the connecting airbag 15 are vertically connected to form an inverted T-shaped structure. The surfaces of the limiting airbag 16 and the connecting airbag 15 are both flexible deformation structures. A positioning rod 17 is fixedly installed on the inner wall of the connecting airbag 15. The lower end of the positioning rod 17 passes through the lower surface of the limiting airbag 16. The positioning rod 17 is a steel wire rod structure. The connecting sleeves 14 are equidistantly arranged on the surface of the inner fixing belt 1. Each connecting sleeve 14 is respectively provided with a connecting airbag 15, a limiting airbag 16 and a positioning rod 17. A supporting bag 18 is provided between two adjacent connecting sleeves 14. The supporting bag 18 is an open bag-shaped structure made of cloth material. The surface of the supporting bag 18 is fixedly mounted on the outer surface of the inner fixing belt 1; like Figure 4 、 Figure 5 、 Figure 6 、 Figure 8 and Figure 9 As shown, when the external fixing belt 7 is connected to the internal fixing belt 1, the connecting airbag 15 connected to the surface of the external fixing belt 7 is inserted into the corresponding connecting sleeve 14. The positioning rod 17 inside the connecting airbag 15 can be used to quickly drive the connecting airbag 15 and the limiting airbag 16 to be inserted into the connecting sleeve 14 when there is no gas in the connecting airbag 15, and finally the limiting airbag 16 extends from the lower end of the connecting sleeve 14. When the No. 1 airbag 9 is inflated and a pressure force is applied, the air enters the connecting airbag 15 and the limiting airbag 16 along the No. 1 airbag 9, causing the connecting airbag 15 and the limiting airbag 16 to expand and stretch. The limiting airbag 16 expands at the lower end of the connecting airbag 15 to form an inverted T-shaped structure, forming a locking limit with the bottom of the connecting sleeve 14, thereby realizing the connection process between the external fixing belt 7 and the internal fixing belt 1, and the supporting bag 18 therein can be used to place a hot compress or a cold compress bag to improve the patient's comfort.

[0030] The outer surface of the external fixation belt 7 is provided with a multi-stage compression structure, which realizes compression of different strengths on the surface of the external fixation belt 7 by means of No. 1 airbag 9, No. 2 airbag 10, No. 3 airbag 11 and No. 4 airbag 12. The multi-stage compression structure includes No. 1 airbag 9, No. 1 airbag 9 is a long tube structure, the surface of No. 1 airbag 9 is bonded and fixed to the outer surface of the external fixation belt 7, No. 2 airbag 10 is provided below the No. 1 airbag 9, No. 2 airbag 10 is a long tube structure, the surface of No. 2 airbag 10 is bonded and fixed to the outer surface of the external fixation belt 7, No. 3 airbag 11 is provided below the No. 2 airbag 10, No. 3 airbag 11 is provided below the No. 2 airbag 10, and No. 3 airbag 11 is provided below the No. 2 airbag 10. Long tube structure, the surface of the No. 3 airbag 11 is bonded and fixed to the outer surface of the outer fixing belt 7, and the No. 4 airbag 12 is arranged below the No. 3 airbag 11. The surface of the No. 4 airbag 12 is bonded and fixed to the outer surface of the outer fixing belt 7. The internal volumes of the No. 1 airbag 9, the No. 2 airbag 10, the No. 3 airbag 11 and the No. 4 airbag 12 decrease from top to bottom. The No. 1 airbag 9, the No. 2 airbag 10, the No. 3 airbag 11 and the No. 4 airbag 12 are respectively connected to a micro air pump 13, which is fixedly installed on the outer surface of the outer fixing belt 7. The four micro air pumps 13 are divided into two groups, and the two groups of micro air pumps 13 are symmetrically installed on the surface of the outer fixing belt 7; like Figure 1 、 Figure 6 、 Figure 8 and Figure 10As shown, the airbag No. 1 9, airbag No. 2 10, airbag No. 3 11, and airbag No. 4 12 on the outer surface of the external fixation belt 7 are arranged in sequence from top to bottom, and the volume gradually decreases, forming a stepped arrangement of compression force. The airbag No. 1 9 on the top layer covers the ilium area and provides large-area support by inflating with a larger volume; the airbag No. 4 12 on the bottom layer is aligned with the pubic symphysis, and a smaller volume inflation can generate higher local pressure, accurately promoting pubic closure, and the micro air pump 13 can be used to inflate each airbag individually or simultaneously to meet the patient's personalized recovery needs.

[0031] Working principle: The inner fixation belt 1 is fixed around the pelvis through the Velcro 4 of the No. 1 connecting belt 2 and the No. 2 connecting belt 3 to form a ring support. The lower fixing belt 5 is connected to the patient's thigh to limit the lateral displacement of the inner fixation belt 1 and enhance the horizontal stability. The positioning cushion 6 on the inner surface of the inner fixation belt 1 fits the midline of the inguinal groove and fits tightly with the patient's inguinal groove through the deformation memory function of the memory foam to prevent the device from sliding up and down. The connecting airbag 15 and the limiting airbag 16 on the surface of the external fixation belt 7 are inserted into the connecting sleeve 14 on the surface of the inner fixation belt 1, and the inner fixation belt 1 is fixed to the patient's thigh. The No. 1 airbag 9 is inflated, and the air enters the connecting airbag 15 and the limiting airbag 16 along the No. 1 airbag 9. The connecting airbag 15 and the limiting airbag 16 expand, and a limiting structure is formed between the connecting sleeve 14 to complete the fixation of the external fixation belt 7. The support rod 8 in the interlayer of the external fixation belt 7 fits the edge of the pelvis to support the pelvis and assist the pubic closure process. The interior of the No. 1 airbag 9, the No. 2 airbag 10, the No. 3 airbag 11 and the No. 4 airbag 12 are independently inflated through the micro air pump 13 to form a gradient pressure distribution, thereby assisting the pelvic repair and pubic closure process.

[0032] While the embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that various changes, modifications, substitutions, and alterations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. A medical external fixation brace pelvic belt that helps pelvic repair and pubic bone closure, comprising an internal fixation belt (1), wherein the internal fixation belt (1) is a long strip structure, one end of the internal fixation belt (1) is fixedly connected to a first connecting belt (2), and the other end of the internal fixation belt (1) is fixedly connected to a second connecting belt (3), characterized in that: The No. 1 connecting belt (2) is an elastic fabric structure, and a long strip through hole is provided on the surface of the No. 1 connecting belt (2). The width of the No. 2 connecting belt (3) is the same as the through hole on the surface of the No. 1 connecting belt (2). Two Velcros (4) are fixedly installed on the surface of the No. 2 connecting belt (3), and the two Velcros (4) are arranged in parallel on the surface of the No. 2 connecting belt (3). The two Velcros (4) are bonded and matched. The internal fixing belt (1), the No. 1 connecting belt (2), the No. 2 connecting belt (3) and the Velcro (4) constitute an internal fixing structure. The internal fixing structure is the basic supporting structure of the device. The outer surface of the internal fixing structure is provided with an external brace structure. The external brace structure realizes the limited fixation of the pelvis and assists the closure of the pubic bone through the double-layer structure formed by the external fixing belt (7) and the internal fixing belt (1). The external brace structure includes an external fixing belt (7), and the external fixing belt (7) is arranged on the outer surface of the internal fixing belt (1).

2. The medical external fixation brace for pelvic repair and pubic closure according to claim 1, characterized in that: The external fixation belt (7) is made of flexible fabric, and is a hollow double-layer structure formed by sewing two layers of fabric together. A support rod (8) is provided in the interlayer of the external fixation belt (7), and the support rod (8) is made of nickel-titanium memory alloy. The support rod (8) is an arc-shaped structure, and the arc-shaped support rod (8) is arranged to fit the shape of the pelvic edge. The support rods (8) are interwoven into a mesh structure, and the mesh structure woven by the support rods (8) is bonded to the inside of the interlayer of the external fixation belt (7).

3. The medical external fixation brace pelvic belt that helps pelvic repair and pubic closure according to claim 1, characterized in that: The inner fixing belt (1) is made of flexible fabric, and the surface of the inner fixing belt (1) is provided with parallel and equidistant square air holes. An auxiliary limiting structure is provided below the inner fixing belt (1), and the auxiliary limiting structure limits the position of the inner fixing belt (1) through the lower fixing belt (5) and the positioning cushion (6).

4. The medical external fixation brace pelvic belt that helps pelvic repair and pubic closure according to claim 3, characterized in that: The auxiliary limiting structure comprises a lower fixing belt (5), the lower fixing belt (5) is a long strip structure, the lower fixing belt (5) is made of elastic fabric, one end of the lower fixing belt (5) is fixedly connected to a No. 1 connecting belt (2), the other end of the lower fixing belt (5) is fixedly connected to a No. 2 connecting belt (3), a Velcro (4) is provided on the surface of the No. 2 connecting belt (3), the surface of the lower fixing belt (5) is sewn and connected to the surface of the inner fixing belt (1) through elastic fabric, two identical lower fixing belts (5) are symmetrically provided below the inner fixing belt (1), a positioning cushion (6) is fixedly installed on the inner surface of the inner fixing belt (1), the positioning cushion (6) is made of memory foam, and the surface of the positioning cushion (6) is bonded and fixed to the center line of the inner fixing belt (1).

5. The medical external fixation brace pelvic belt that helps pelvic repair and pubic closure according to claim 1, characterized in that: The outer surface of the external fixation belt (7) is provided with a multi-stage compression structure, and the multi-stage compression structure realizes compression of different strengths on the surface of the external fixation belt (7) by means of a No. 1 airbag (9), a No. 2 airbag (10), a No. 3 airbag (11) and a No. 4 airbag (12).

6. The medical external fixation brace pelvic belt that helps pelvic repair and pubic closure according to claim 5, characterized in that: The multi-stage compression structure includes a No. 1 airbag (9), the No. 1 airbag (9) is a long tube structure, the surface of the No. 1 airbag (9) is bonded and fixed to the outer surface of the external fixing belt (7), a No. 2 airbag (10) is arranged below the No. 1 airbag (9), the No. 2 airbag (10) is a long tube structure, the surface of the No. 2 airbag (10) is bonded and fixed to the outer surface of the external fixing belt (7), a No. 3 airbag (11) is arranged below the No. 2 airbag (10), the No. 3 airbag (11) is a long tube structure, the surface of the No. 3 airbag (11) is bonded and fixed to the outer surface of the external fixing belt (7), a No. 4 airbag (12) is arranged below the No. 3 airbag (11), the surface of the No. 4 airbag (12) is bonded and fixed to the outer surface of the external fixing belt (7).

7. The medical external fixation brace pelvic belt that helps pelvic repair and pubic closure according to claim 6, characterized in that: The internal volumes of the No. 1 airbag (9), No. 2 airbag (10), No. 3 airbag (11) and No. 4 airbag (12) decrease from top to bottom. The No. 1 airbag (9), No. 2 airbag (10), No. 3 airbag (11) and No. 4 airbag (12) are respectively connected to a micro air pump (13), and the micro air pump (13) is fixedly installed on the outer surface of the outer fixing belt (7). The four micro air pumps (13) are divided into two groups, and the two groups of micro air pumps (13) are symmetrically installed on the surface of the outer fixing belt (7).

8. The medical external fixation brace pelvic belt that helps pelvic repair and pubic closure according to claim 1, characterized in that: The inner surface of the outer fixing belt (7) is provided with a positioning connection structure, and the positioning connection structure realizes the connection and fixation between the outer fixing belt (7) and the inner fixing belt (1) through the connecting sleeve (14) and the connecting airbag (15).

9. The medical external fixation brace pelvic belt that helps pelvic repair and pubic closure according to claim 8, characterized in that: The positioning connection structure includes a connecting sleeve (14), which is a cylindrical structure that passes through from top to bottom. The connecting sleeve (14) is a flexible fabric structure. The connecting sleeve (14) is fixedly installed on the outer surface of the inner fixing belt (1). The interior of the connecting sleeve (14) is penetrated by a connecting airbag (15). One end of the connecting airbag (15) passes through the surface of the No. 1 airbag (9) and is inserted into the interior of the No. 1 airbag (9). The other end of the connecting airbag (15) passes through and is connected to the limiting airbag (16). The limiting airbag (16) and the connecting airbag (15) are vertically connected to form an inverted T-shaped structure. The surfaces of the limiting airbag (16) and the connecting airbag (15) are both flexible deformation structures. A positioning rod (17) is fixedly installed on the inner wall of the connecting airbag (15). The lower end of the positioning rod (17) passes through the lower surface of the limiting airbag (16). The positioning rod (17) is a steel wire rod structure.

10. The medical external fixation brace pelvic belt that helps pelvic repair and pubic closure according to claim 9, characterized in that: The connecting sleeves (14) are arranged at equal intervals on the surface of the inner fixing belt (1), and each of the connecting sleeves (14) is respectively provided with a connecting airbag (15), a limiting airbag (16) and a positioning rod (17). A supporting bag (18) is provided between two adjacent connecting sleeves (14), and the supporting bag (18) is an open bag-shaped structure made of cloth material. The surface of the supporting bag (18) is fixedly mounted on the outer surface of the inner fixing belt (1).

Images