Phototherapy interbody fusion cage

Abstract

The invention belongs to the technical field of medical instruments, and discloses a phototherapy interbody fusion cage which comprises an interbody fusion cage body and a wireless energy supply transmitting device, the interbody fusion cage body comprises a body support and a fusion light source device arranged on the body support, and the fusion light source device comprises a light source piece and a wireless electric energy receiving module; the wireless electric energy receiving module is electrically connected with the light source piece; the wireless energy supply transmitting device can supply power to the light source piece through the wireless electric energy receiving module. According to the phototherapy interbody fusion cage, the wireless energy supply transmitting device supplies power to the light source part through the wireless electric energy receiving module so that the light source part can emit light, the light emitted by the light source part can promote bone tissue healing and growth, the sterilization and anti-inflammation effects are achieved, the postoperative recovery period is effectively shortened, and postoperative infection is prevented.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a phototherapy intervertebral fusion device. Background Art

[0002] Intervertebral fusion devices are mainly implanted in the body through intervertebral fusion surgery, which effectively solves the problems of cervical and lumbar intervertebral disc stenosis and various degenerative diseases. These diseases can cause problems such as intervertebral disc degeneration and bone hyperplasia, which can cause compression of nerve roots, leading to symptoms such as low back pain and lower limb weakness. Currently, the most commonly used surgical plan is to improve symptoms by fixing the vertebrae and promoting bone tissue growth. During the operation, the doctor will first fix the implant on the vertebrae, and then place the fusion device between the vertebrae to make them contact, promote the growth of bone tissue between the vertebrae, and finally achieve fusion.

[0003] Currently, the recovery period of lumbar interbody fusion is long and prone to postoperative infection. The long postoperative recovery period and postoperative infection may lead to serious complications such as pseudoarthrosis, interbody fusion device subsidence and adjacent vertebrae disease. Summary of the invention

[0004] The purpose of the present invention is to provide a phototherapy intervertebral fusion device, which can effectively shorten the postoperative recovery period and prevent postoperative infection.

[0005] To achieve this object, the present invention adopts the following technical solutions:

[0006] Provided is a phototherapy intervertebral fusion device, comprising:

[0007] The intervertebral fusion device body comprises a body support and a fusion light source device arranged on the body support, wherein the fusion light source device comprises a light source component and a wireless power receiving module, and the wireless power receiving module is electrically connected to the light source component;

[0008] The wireless power supply transmitting device can supply power to the light source through the wireless power receiving module.

[0009] Optionally, the main body bracket includes two end surfaces arranged opposite to each other along a first direction and a fusion channel arranged along a second direction, and mounting holes are provided on the two end surfaces. The mounting holes are connected to the fusion channel at one end thereof facing the fusion channel, and the fusion light source devices are respectively provided in the mounting holes, and the light source component is provided on the side of the wireless power receiving module facing the fusion channel.

[0010] Optionally, the mounting hole is configured as a stepped hole, including a first stepped hole portion and a second stepped hole portion, the second stepped hole portion is connected to the fusion channel, the wireless power receiving module is disposed in the first stepped hole portion, and the light source component extends into the second stepped hole portion.

[0011] Optionally, the wireless power receiving module includes a circuit board, the light source component is arranged on the circuit board, a step surface is formed between the first step hole portion and the second step hole portion, a limiting groove is provided on the step surface, and the circuit board is arranged in the limiting groove.

[0012] Optionally, an end cover is provided in one end of the mounting hole facing away from the fusion channel, and the end cover is used to seal the mounting hole.

[0013] Optionally, a boss is provided on an edge of the end cover facing the circuit board, the boss abuts against the step surface along a first direction, and a limiting fit is formed between the boss and the circuit board along the first direction.

[0014] Optionally, one end of the mounting hole facing the fusion channel is filled with transparent glue.

[0015] Optionally, through holes communicating with the fusion channel are provided on both sides of the main body support along the third direction.

[0016] Optionally, the main body bracket includes two side surfaces arranged opposite to each other along a third direction, both side surfaces are provided with mounting grooves, the fusion light source devices are respectively provided in the mounting grooves, and the light source component is arranged on the side of the wireless power receiving module away from the bottom of the mounting groove.

[0017] Optionally, a side cover is provided at the end of the mounting groove, and the side cover is provided with a through hole communicating with the mounting groove.

[0018] Beneficial effects:

[0019] The phototherapy intervertebral fusion device provided by the present invention supplies power to the light source component through a wireless power receiving module so that the light source component emits light. The light emitted by the light source component can promote the healing growth of bone tissue and has a bactericidal and anti-inflammatory effect, effectively shortening the postoperative recovery period and preventing postoperative infection. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a cross-sectional view of an embodiment of an intervertebral fusion device body provided by the present invention;

[0021] Figure 2 It is a schematic diagram of the position relationship of the phototherapy intervertebral fusion device provided by the present invention relative to the human body;

[0022] Figure 3 It is a schematic structural diagram of the main body support provided by the present invention;

[0023] Figure 4 It is a structural schematic diagram of an embodiment of the intervertebral fusion device body provided by the present invention;

[0024] Figure 5 It is a structural schematic diagram of the fusion light source device provided by the present invention;

[0025] Figure 6 It is a structural schematic diagram of the end cover provided by the present invention;

[0026] Figure 7 It is a partial structural schematic diagram of another embodiment of the intervertebral fusion device body provided by the present invention;

[0027] Figure 8 It is a schematic structural diagram of another embodiment of the intervertebral fusion device body provided by the present invention.

[0028] In the figure:

[0029] 100, intervertebral fusion device body; 110, body support; 111, end face; 112, fusion channel; 113, mounting hole; 1131, first step hole portion; 1132, second step hole portion; 1133, step surface; 1134, limiting groove; 114, anti-slip protrusion; 115, through hole; 116, side; 117, mounting groove; 120, fusion light source device; 121, light source component; 122, wireless power receiving module; 1221, circuit board; 1222, inductor; 1223, capacitor; 130, end cover; 131, boss; 132, clearance groove; 140, transparent glue; 150, side cover; 151, perforation;

[0030] 200. Wireless power supply transmitter. DETAILED DESCRIPTION

[0031] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0032] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0034] In the description of this embodiment, the terms "upper", "lower", "right", etc., directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0035] Reference Figures 1 to 4 As shown, this embodiment provides a phototherapy intervertebral fusion device, which includes an intervertebral fusion device body 100 and a wireless power supply transmitting device 200.

[0036] Specifically, the intervertebral fusion device body 100 includes a body support 110 and a fusion light source device 120 disposed on the body support 110, the fusion light source device 120 includes a light source part 121 and a wireless power receiving module 122, and the wireless power receiving module 122 is electrically connected to the light source part 121; the wireless power supply transmitting device 200 can supply power to the light source part 121 through the wireless power receiving module 122. The intervertebral fusion device body 100 is used for implantation in the human body, and the wireless power supply transmitting device 200 is disposed outside the human body. The specific structure of the wireless power supply transmitting device 200 is a prior art, and this application will not elaborate on it.

[0037] In this embodiment, the wireless power supply transmitting device 200 supplies power to the light source part 121 through the wireless power receiving module 122, so that the light source part 121 emits light. The light emitted by the light source part 121 can promote the healing growth of bone tissue and has a bactericidal and anti-inflammatory effect, effectively shortening the postoperative recovery period, preventing postoperative infection, greatly alleviating the patient's pain, reducing the risk of fusion surgery, and improving the success rate of intervertebral fusion. Optionally, the wireless power supply transmitting device 200 can be attached to the position where the intervertebral fusion device body 100 is implanted in the human body, so that the wireless power supply transmitting device is suitable for supplying power to the light source part 121 through the wireless power receiving module 122.

[0038] Exemplarily, at least one light source 121 is provided. When a plurality of light sources 121 are provided, the light intensity and light coverage area of ​​the light source 121 can be increased to better promote the healing growth of bone tissue and sterilize and reduce inflammation. Optionally, the light source 121 can be arranged in a matrix. Optionally, three to twelve light sources 121 are provided.

[0039] In this embodiment, when the light source 121 emits green light, the light source 121 irradiates the bone bonding surface to promote the healing growth of bone tissue; when the light source 121 emits blue light, the light source 121 irradiates the bone bonding surface to kill bacteria and reduce inflammation.

[0040] Exemplarily, the light source 121 may be an LED lamp, which has a long life and is energy-saving.

[0041] In some embodiments, the wireless power supply transmitting device 200 is used to control the wireless power receiving module 122 to supply different currents or voltages to the light source 121 so that the light source 121 emits light of different colors, thereby promoting the healing growth of bone tissue or sterilizing and reducing inflammation. Exemplarily, by adjusting the transmission power, transmission mode and transmission distance of the external wireless power supply transmitting device 200, the luminous intensity and luminous color of the built-in light source 121 are changed through the wireless power receiving module 122, and the entire treatment process is dynamically adjusted accordingly, so as to achieve the best treatment effect.

[0042] In some embodiments, the fusion light source device 120 includes a plurality of light source components 121, some of which can emit green light, and another part of which can emit blue light. A diode is provided in the circuit connected to the green light source component 121 and the circuit connected to the blue light source component 121, and the wireless power supply transmitter 200 controls the wireless power receiving module 122 to supply different currents to the light source components 121, so that the green light source component 121 emits light or the blue light source component 121 emits light.

[0043] Exemplarily, the material of the main support 110 is polyetheretherketone (PEEK), and the main support 110 made of polyetheretherketone is compatible with X-ray photography and magnetic resonance imaging, and has a low elastic modulus, good biological properties, and can effectively avoid the complications of autologous transplants and the defects of allogeneic transplants. Polyetheretherketone has good insulation properties and will not interfere with the circuit of the wireless power receiving module 122. Of course, the material of the main support 110 can also be titanium alloy or other materials, which is not limited in this application.

[0044] In this embodiment, refer to Figure 1 , Figures 3 to 6As shown, the main body support 110 includes two end faces 111 arranged opposite to each other along a first direction and a fusion channel 112 arranged along a second direction, and mounting holes 113 are provided on both end faces 111, and one end of the mounting hole 113 facing the fusion channel 112 is connected to the fusion channel 112, and fusion light source devices 120 are respectively provided in the mounting holes 113, and the light source component 121 is arranged on the side of the wireless power receiving module 122 facing the fusion channel 112. In this embodiment, the light source components 121 in the two mounting holes 113 can both illuminate the bone binding surface in the fusion channel 112, and the light source components 121 are located on both sides of the bone binding surface along the first direction, so that the light source component 121 can illuminate the bone binding surface in a large range, so as to better promote the healing growth of bone tissue and sterilize and reduce inflammation. Among them, autologous bone tissue or artificial bone tissue can also be implanted in the fusion channel 112 during the operation to promote the bony fusion of the vertebrae and promote the bone tissue and the main body support 110 to form an integral structure.

[0045] Among them, the direction a in the figure is the first direction, which can be the length direction of the intervertebral fusion device body 100, the direction b is the second direction, which can be the height direction of the intervertebral fusion device body 100, and the direction c is the third direction, which can be the width direction of the intervertebral fusion device body 100, that is, the first direction, the second direction and the third direction are perpendicular to each other.

[0046] Specifically, the mounting hole 113 is configured as a stepped hole, including a first stepped hole portion 1131 and a second stepped hole portion 1132, the second stepped hole portion 1132 is in communication with the fusion channel 112, the wireless power receiving module 122 is disposed in the first stepped hole portion 1131, and the light source component 121 extends into the second stepped hole portion 1132. In this embodiment, the mounting hole 113 is configured as a stepped hole to facilitate the positioning and assembly of the fusion light source device 120, and the light source component 121 extends into the second stepped hole portion 1132 to ensure that the light source component 121 has a larger range of irradiation on the bone bonding surface.

[0047] Optionally, the outline of the second stepped hole portion 1132 is slightly larger than the overall outline of all light source components 121 on the same side to facilitate installation.

[0048] Specifically, the wireless power receiving module 122 includes a circuit board 1221, the light source 121 is arranged on the circuit board 1221, a step surface 1133 is formed between the first step hole portion 1131 and the second step hole portion 1132, a limiting groove 1134 is provided on the step surface 1133, and the circuit board 1221 is arranged in the limiting groove 1134 to facilitate the positioning and installation of the fusion light source device 120 relative to the body bracket 110. Optionally, the outline of the circuit board 1221 is slightly smaller than the outline of the limiting groove 1134. Optionally, the depth of the limiting groove 1134 along the first direction is greater than or equal to the thickness of the circuit board 1221.

[0049] Specifically, an end cover 130 is disposed in one end of the mounting hole 113 facing away from the fusion channel 112 , and the end cover 130 is used to seal the mounting hole 113 to isolate the fusion light source device 120 so that the fusion light source device 120 can work normally.

[0050] Exemplarily, the end cap 130 can be fixed to the main support by bonding, wherein the glue used to bond the end cap 130 can be implant grade glue.

[0051] Exemplarily, the end cap 130 is disposed in the first stepped hole 1131 to ensure a compact structure of the intervertebral fusion cage body 100. Optionally, the end cap 130 and the first stepped hole 1131 may be clearance-fitted, that is, the profile of the end cap 130 is slightly smaller than the profile of the first stepped hole 1131, so as to facilitate the installation of the end cap 130.

[0052] Exemplarily, a boss 131 is provided on the edge of the end cap 130 facing the circuit board 1221, and the boss 131 abuts against the stepped surface 1133 along the first direction, and a limit fit along the first direction is formed between the boss 131 and the circuit board 1221. By setting the boss 131, the end cap 130 can give way to the electrical components on the circuit board 1221, such as the inductor 1222 and the capacitor 1223, and the circuit board 1221 can be limited to ensure that the position of the fusion light source device 120 relative to the main support is stable and reliable, thereby ensuring that the light emitted by the light source 121 can be stably irradiated on the bone bonding surface. Among them, the wireless power receiving module 122 can include other electrical components in addition to the circuit board 1221, the inductor 1222 and the capacitor 1223, and its specific structure is the prior art, and this application will not go into details. Optionally, bosses 131 are provided on both sides of the end cover 130 along the third direction, and a clearance groove 132 for accommodating electrical components is formed between the two bosses 131 .

[0053] Specifically, the end of the mounting hole 113 facing the fusion channel 112 is filled with transparent glue 140, which, together with the end cover 130, can better isolate the fusion light source device 120, so that the fusion light source device 120 can work normally, and the light emitted by the light source component 121 can be irradiated on the bone bonding surface through the transparent glue 140. Among them, the transparent glue 140 can be implant-grade transparent glue. In this embodiment, after the glue used to bond the end cover 130 and the transparent glue 140 used to fill the mounting hole 113 solidify, the main support and the end cover 130 can be processed secondary to ensure that the main support and the transparent glue 140, as well as the main support and the end cover 130 are smooth and flat. After completion, the intervertebral fusion device body 100 can be disinfected and subsequently packaged.

[0054] In this embodiment, refer to Figure 4As shown, both sides of the main support 110 along the third direction are provided with through holes 115 connected to the fusion channel 112. The through holes 115 can facilitate the growth of bone tissue after surgery and better promote the bone tissue and the main support 110 to form an integral structure.

[0055] Specifically, the body support 110 is provided with a plurality of through holes 115 on both sides along the third direction to better promote the bone tissue and the body support 110 to form an integral structure. Optionally, the through holes 115 on the same side can be arranged at intervals along the first direction to ensure that the structure of the body support 110 is compact.

[0056] In this embodiment, refer to Figure 3 and Figure 5 As shown, the main body support 110 is provided with anti-skid protrusions 114 on both sides along the second direction. The anti-skid protrusions 114 can abut against the vertebrae to increase the friction between the main body support 110 and the vertebrae, and effectively prevent the main body support 110 from loosening or detaching after surgery.

[0057] Exemplarily, both sides of the body support 110 along the second direction may be provided with a plurality of anti-slip protrusions 114 to more effectively prevent the body support 110 from loosening or detaching after surgery. Optionally, the shape of the anti-slip protrusions 114 includes but is not limited to a pyramid shape or a tooth shape.

[0058] In this embodiment, refer to Figure 7 and Figure 8 As shown, the main support 110 includes two side surfaces 116 arranged opposite to each other along the third direction, and mounting grooves 117 are provided on the two side surfaces 116. Fusion light source devices 120 are provided in the mounting grooves 117, and light source components 121 are provided on the side of the wireless power receiving module 122 away from the bottom of the mounting grooves 117. In this embodiment, the light source components 121 in the two mounting grooves 117 can illuminate the bone bonding surface outside the support body to better promote the healing growth of bone tissue and sterilize and reduce inflammation. The intervertebral fusion device body 100 is buried in the spine, and with the light source component 121 in the mounting hole 113, the bone bonding surfaces inside and outside the main support 110 can be irradiated, effectively accelerating the bone formation speed in the area around the fusion device.

[0059] Exemplarily, other areas around the main support 110 except the side surface 116 may also be provided with mounting grooves 117 to add a fusion light source device 120 so that the light can illuminate a wider area around the main support 110 to better promote bone tissue healing growth and sterilization and anti-inflammation.

[0060] Specifically, a side cover 150 is provided at the end of the mounting groove 117, and a through hole 151 connected to the mounting groove 117 is provided on the side cover 150. The light source device 120 is limited and integrated by the side cover 150, and the light source component 121 in the mounting groove 117 illuminates the bone bonding surface outside the bracket body through the through hole 151, and the structure is compact.

[0061] Exemplarily, transparent glue may be filled in the through hole 151 , and cooperate with the side cover 150 to seal the mounting groove 117 , isolate the fusion light source device 120 , and enable the fusion light source device 120 to work normally.

[0062] Exemplarily, the light source element 121 may extend into the through hole 151 to increase the illumination range. Exemplarily, a plurality of through holes 151 are provided in a one-to-one correspondence with the light source element 121.

[0063] Illustratively, a positioning groove (not shown) having the same shape as the side cover 150 may be provided at the end of the installation groove 117 to facilitate the positioning and installation of the side cover 150 .

[0064] Exemplarily, along the first direction, the mounting groove 117 is located in the middle area of ​​the main body bracket 110 , and the main body bracket 110 is provided with through holes 115 on both sides of the mounting groove 117 .

[0065] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A phototherapy intervertebral fusion device, characterized in that: include: An intervertebral fusion device body (100) comprises a body support (110) and a fusion light source device (120) arranged on the body support (110), wherein the fusion light source device (120) comprises a light source component (121) and a wireless power receiving module (122), and the wireless power receiving module (122) is electrically connected to the light source component (121); The wireless power supply transmitting device (200) can supply power to the light source component (121) via the wireless power receiving module (122).

2. The phototherapy intervertebral fusion cage according to claim 1, characterized in that: The main body bracket (110) comprises two end surfaces (111) arranged opposite to each other along a first direction and a fusion channel (112) arranged along a second direction, and both end surfaces (111) are provided with mounting holes (113), and one end of the mounting holes (113) facing the fusion channel (112) is connected to the fusion channel (112), and the fusion light source devices (120) are respectively arranged in the mounting holes (113), and the light source component (121) is arranged on a side of the wireless power receiving module (122) facing the fusion channel (112).

3. The phototherapy intervertebral fusion device according to claim 2, characterized in that: The mounting hole (113) is configured as a stepped hole, comprising a first stepped hole portion (1131) and a second stepped hole portion (1132), the second stepped hole portion (1132) being in communication with the fusion channel (112), the wireless power receiving module (122) being disposed in the first stepped hole portion (1131), and the light source component (121) extending into the second stepped hole portion (1132).

4. The phototherapy intervertebral fusion device according to claim 3, characterized in that: The wireless power receiving module (122) comprises a circuit board (1221), the light source component (121) is arranged on the circuit board (1221), a step surface (1133) is formed between the first step hole portion (1131) and the second step hole portion (1132), a limiting groove (1134) is provided on the step surface (1133), and the circuit board (1221) is arranged in the limiting groove (1134).

5. The phototherapy intervertebral fusion cage according to claim 4, characterized in that: An end cover (130) is provided in one end of the mounting hole (113) facing away from the fusion channel (112), and the end cover (130) is used to seal the mounting hole (113).

6. The phototherapy intervertebral fusion cage according to claim 5, characterized in that: A boss (131) is provided on the edge of the end cover (130) facing the circuit board (1221); the boss (131) abuts against the step surface (1133) along a first direction, and a position limiting fit is formed between the boss (131) and the circuit board (1221) along the first direction.

7. The phototherapy intervertebral fusion cage according to claim 2, characterized in that: One end of the mounting hole (113) facing the fusion channel (112) is filled with transparent glue (140).

8. The phototherapy intervertebral fusion cage according to claim 2, characterized in that: Through holes (115) communicating with the fusion channel (112) are provided on both sides of the main body support (110) along the third direction.

9. The phototherapy intervertebral fusion device according to any one of claims 1 to 8, characterized in that: The main body bracket (110) comprises two side surfaces (116) arranged opposite to each other along a third direction, and both side surfaces (116) are provided with mounting grooves (117), and the fusion light source devices (120) are respectively arranged in the mounting grooves (117), and the light source component (121) is arranged on a side of the wireless power receiving module (122) away from the bottom of the mounting groove (117).

10. The phototherapy intervertebral fusion cage according to claim 9, characterized in that: A side cover (150) is provided at the end of the installation groove (117), and a through hole (151) communicating with the installation groove (117) is provided on the side cover (150).

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