Photosensitive hydrogel photocuring device

Abstract

The utility model relates to the technical field of medical instruments, in particular to a photosensitive hydrogel photocuring device which comprises a middle fixing seat, a light-emitting head, a base and a shell. A control assembly is arranged on the middle fixing seat, one end of the middle fixing seat in the length direction is connected with the light-emitting head, the other end of the middle fixing seat is connected with the shell, and the end, away from the light-emitting head, of the shell is connected with the base. Wherein the luminous head is connected with the control assembly, a cavity for placing the battery is arranged in the shell, one end part of the battery is connected with the control assembly, and the other end part of the battery is connected with the base. The photosensitive hydrogel photocuring device provided by the utility model is a supplement for the existing medical photosensitive hydrogel matched curing device, and is convenient for further popularization and use of the photosensitive hydrogel.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a photosensitive hydrogel light curing device. Background Art

[0002] The photosensitive substance in the photosensitive hydrogel absorbs ultraviolet light, and after absorbing energy, a photochemical reaction occurs, thereby initiating the curing of the hydrogel. In the Chinese patent CN111748088A, it is mentioned that the tensile performance test of the photosensitive hydrogel can reach 15.1MPa, which is higher than the mechanical properties tested in other patents, and a good repair effect was obtained in multiple groups of wound closure experiments; therefore, it is possible to further expand the clinical application of photosensitive hydrogel.

[0003] Currently, most light-curing devices are designed for photosensitive resins, and common photosensitive resins are also mostly used in the restoration of teeth in clinical practice; however, there is a lack of curing devices that can be used clinically to match photosensitive hydrogels.

[0004] Therefore, it is crucial to provide a device for curing photosensitive hydrogels. Utility Model Content

[0005] In order to solve the above problems, the purpose of the utility model is to provide a light curing device for photosensitive hydrogel, aiming to fill the gap in medical photosensitive hydrogel supporting devices and facilitate the further clinical application of hydrogel dressings.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] The utility model provides a photosensitive hydrogel light curing device, comprising an intermediate fixing seat, a light emitting head, a base and a shell; the intermediate fixing seat is provided with a control component, one end of the intermediate fixing seat along its length direction is connected to the light emitting head, the other end is connected to the shell, and the end of the shell away from the light emitting head is connected to the base;

[0008] The light-emitting head is connected to the control assembly, and a cavity for placing a battery is arranged in the shell. After the battery is installed, one end of the battery is connected to the control assembly, and the other end is connected to the base.

[0009] In one embodiment of the utility model, the control assembly includes a main circuit board, a display screen, buttons and contacts;

[0010] The main circuit board is arranged on the middle fixing seat, and contacts are arranged on the upper surface of the main circuit board, and the contacts are connected to the buttons through spring pads; the display screen is arranged above the main circuit board and is electrically connected to the main circuit board;

[0011] A positive spring sheet is arranged at the end of the main circuit board and is connected to the positive electrode of the battery through the positive spring sheet.

[0012] In one embodiment of the present utility model, the display screen is provided with a plug pin (for connecting the main circuit board and the display screen), and is connected to the main circuit board through the plug pin.

[0013] In one embodiment of the utility model, a first groove is provided on the middle fixing seat, and a shading sheet is embedded in the first groove (used to prevent the interference of surrounding stray light on the display screen and to conceal the internal structure while allowing light to pass through); the shading sheet is arranged above the display screen; and a position for buttons is reserved on the shading sheet.

[0014] In one embodiment of the present invention, the shading sheet is adhesively connected to the middle fixing seat.

[0015] In one embodiment of the present utility model, the button includes a power button and a mode button; the contact includes a power contact and a mode contact;

[0016] The spring pad is arranged on the lower surface of the power button (used to control the power switch) and the mode button (used to control the selection of different modes);

[0017] The power contact is arranged directly below the power button, and the mode contact is arranged directly below the mode button.

[0018] In one embodiment of the present utility model, the light-emitting head comprises a light-emitting head body, a lamp bead, a lens assembly and a light-transmitting window;

[0019] The light-emitting head body is arranged on the side of the middle fixing seat away from the base, and there is a cavity inside; the cavity is sequentially provided with lamp beads and lens assemblies from the inside to the outside, and the light-transmitting window is arranged at the end of the cavity and connected to the light-emitting head body and the middle fixing seat; the lamp beads are connected to the main circuit board through lamp bead cables.

[0020] Among them, the lens assembly is used to shape the light emitted by the lamp bead so that the light spot emitted by the lamp bead through the light-transmitting window is nearly circular.

[0021] In one embodiment of the present invention, the lens assembly comprises a first plano-convex lens and a second plano-convex lens sequentially arranged from the inside to the outside of the cavity.

[0022] A locking pressure ring is provided between the lamp bead and the first plano-convex lens (for fixing the lamp bead and limiting the position of the first plano-convex lens);

[0023] A first retaining ring (for fixing the first plano-convex lens) and a second retaining ring (for limiting the position of the second plano-convex lens) are provided between the first plano-convex lens and the second plano-convex lens;

[0024] A locking nut (for fixing the second plano-convex lens) is arranged on the side of the second plano-convex lens away from the lamp bead.

[0025] In one embodiment of the present invention, more than one group of the second plano-convex lenses is provided. When more than two groups of the second plano-convex lenses are provided, a third retaining ring (for limiting the second plano-convex lenses) is provided between adjacent second plano-convex lenses.

[0026] In one embodiment of the present utility model, an infrared distance measuring sensor is further provided on the light emitting head body. The infrared distance measuring sensor is provided on a side close to the light transmission window and is connected to the main circuit board through a sensor cable.

[0027] In one embodiment of the present utility model, the base includes a base housing and a negative circuit board;

[0028] The base shell is movably connected to the shell, and the negative circuit board is arranged on a side of the base shell close to the battery; a magnetic column (used to cooperate with a charger to charge the battery) and a negative spring are arranged on the negative circuit board; the negative spring is connected to the negative electrode of the battery;

[0029] Preferably, the base shell is connected to the housing via a buckle structure.

[0030] Compared with the prior art, the utility model has the following beneficial effects:

[0031] (1) The photosensitive hydrogel light curing device of the utility model is a supplement to the current medical photosensitive hydrogel supporting curing device, which is convenient for further promotion and use of photosensitive hydrogel;

[0032] (2) The photosensitive hydrogel light curing device of the utility model is a rechargeable handheld wireless device with a simple structure and is easy to carry; the setting of the lens assembly can assist the lamp bead to emit a nearly circular light spot, thereby better realizing the curing and molding of the photosensitive hydrogel. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the isometric structure of a photosensitive hydrogel light curing device;

[0034] Figure 2 It is a schematic diagram of the back-axonometric structure of a photosensitive hydrogel light curing device;

[0035] Figure 3 is a cross-sectional view of a photosensitive hydrogel light curing device;

[0036] Figure 4 A cross-sectional view of a light-emitting head in a photosensitive hydrogel light curing device;

[0037] Numbers in the figure: 1, middle fixing seat; 2, light head; 3, base; 4, shell; 5, battery; 101, main circuit board; 102, power contact; 103, mode contact; 104, spring pad; 105, power button; 106, mode button; 107, positive spring piece; 108, display screen; 109, pin; 110, shading sheet; 201, light head body; 202, lamp bead; 203, lamp bead cable; 204, locking pressure ring; 205, first plano-convex lens; 206, first retaining ring; 207, second retaining ring; 208, second plano-convex lens; 209, third retaining ring; 210, locking nut; 211, light-transmitting window; 212, nut; 213, infrared ranging sensor; 214, sensor cable; 301, base shell; 302, negative circuit board; 303, magnetic column; 304, negative spring piece. DETAILED DESCRIPTION

[0038] The utility model is described in detail below with reference to the accompanying drawings and specific embodiments.

[0039] 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.

[0040] In the present utility model, 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.

[0041] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other 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 simplified 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 a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0042] In the following embodiments, the structure is a conventional structure that can achieve corresponding functions.

[0043] Example 1

[0044] This embodiment provides a photosensitive hydrogel light curing device, such as Figure 1-4 As shown, it includes an intermediate fixing seat 1, a light-emitting head 2, a base 3 and a shell 4; a control component is arranged on the intermediate fixing seat 1, one end of the intermediate fixing seat 1 along its length direction is connected to the light-emitting head 2, and the other end is connected to the shell 4, and the end of the shell 4 away from the light-emitting head 2 is connected to the base 3; the light-emitting head 2 is connected to the control component, and a cavity for placing a battery 5 is arranged in the shell 4. After the battery is installed, one end of the battery 5 is connected to the control component, and the other end is connected to the base 3.

[0045] Furthermore, the control component includes a main circuit board 101, a display screen 108, buttons and contacts; the main circuit board 101 is arranged on a bracket, and contacts are arranged on the upper surface of the main circuit board 101, and the contacts are connected to the buttons through spring pads 104; the display screen 108 is arranged above the main circuit board 101 and is electrically connected to the main circuit board 101; a positive spring sheet 107 is arranged at the end of the main circuit board 101, and is connected to the positive electrode of the battery 5 through the positive spring sheet 107, and the main circuit board 101 is connected to the light-emitting head 2.

[0046] Furthermore, the display screen 108 is provided with a pin 109 (for connecting the main circuit board 101 and the display screen 108 ), and is connected to the main circuit board 101 via the pin 109 .

[0047] Furthermore, a first groove is provided on the middle fixed seat 1 (a second groove matching the first groove is provided on the shell 4 and is engaged with the shading sheet 110), and a shading sheet 110 is provided at the position of the first groove (for preventing the interference of surrounding stray light on the display screen 108); the shading sheet 110 is provided above the display screen 108; a position for buttons is reserved on the shading sheet 110; the shading sheet 110 is bonded and connected to the middle fixed seat 1.

[0048] Furthermore, the buttons include a power button 105 and a mode button 106 ; the contacts include a power contact 102 and a mode contact 103 .

[0049] The spring pad 104 is arranged on the lower surface of the power button 105 (for controlling the power switch) and the mode button 106 (for controlling the selection of different modes); the power contact 102 is arranged directly below the power button 105, and the mode contact 103 is arranged directly below the mode button 106.

[0050] Furthermore, the light head 2 includes a light head body 201 (made of a conventional material with good heat dissipation or thermal conductivity, as long as it can quickly guide the heat emitted by the lamp bead 202 to prevent the lamp bead 202 from working under overheating and reduce the loss of light intensity), and a light-transmitting window 211; the light head body 201 is arranged on the side of the middle fixing seat 1 away from the base 3, and is provided with a groove for accommodating the lamp bead 202 (a light-emitting diode can be used, and its light emission wavelength is 200nm to 600nm; preferably, the light emission wavelength is 365nm, 375nm, 385nm or 395nm), a first plano-convex lens 205 and a second plano-convex lens 208; the grooves are arranged from the inside to the outside, in order A lamp bead 202, a first plano-convex lens 205, and a second plano-convex lens 208 are provided, and a light-transmitting window 211 is provided at the end of the groove and connected to the light-emitting head body 201 and the intermediate fixing seat 1; wherein the first plano-convex lens 205 and the second plano-convex lens 208 are used to shape the light emitted by the lamp bead 202, so that the light spot emitted by the lamp bead 202 through the light-transmitting window 211 is nearly circular; a nut 212 is provided on one side of the light-emitting head body 201 close to the intermediate fixing seat 1, and the light-emitting head body 201 is fixed to the intermediate fixing seat 1 through the nut 212, and the lamp bead 202 is connected to the main circuit board 101; in addition, a third groove matching the first groove is provided on the light-emitting head body 201, and is embedded with the light-shielding sheet 110;

[0051] Among them, the upper surfaces of the first groove, the second groove and the third groove have the same vertical height, the inner surface formed by the first groove, the second groove and the third groove has the same shape as the outer surface of the shading film 110, and the shading film 110 is embedded in the space formed by the first groove, the second groove and the third groove.

[0052] Furthermore, a locking pressure ring 204 (for fixing the lamp bead 202 and limiting the first plano-convex lens 205) is arranged between the lamp bead 202 and the first plano-convex lens 205; a first retaining ring 206 (for fixing the first plano-convex lens 205) and a second retaining ring 207 (for limiting the second plano-convex lens 208) are arranged between the first plano-convex lens 205 and the second plano-convex lens 208; and a locking nut 210 (for fixing the second plano-convex lens 208) is arranged on the side of the second plano-convex lens 208 away from the lamp bead 202.

[0053] Furthermore, more than one group of second plano-convex lenses 208 are provided. When more than two groups of second plano-convex lenses 208 are provided, a third retaining ring 209 (for limiting the second plano-convex lenses 208 ) is provided between adjacent second plano-convex lenses 208 .

[0054] Furthermore, the lamp bead 202 is connected to the main circuit board 101 through a lamp bead cable 203; an infrared ranging sensor 213 is also provided on the light-emitting head body 201, and the infrared ranging sensor 213 is arranged on a side close to the light-transmitting window 211 and connected to the main circuit board 101 through a sensor cable 214.

[0055] Furthermore, the base 3 includes a base shell 301 and a negative circuit board 302; the base shell 301 is connected to the shell 4 through a snap-on structure, and the negative circuit board 302 is arranged on the side of the base shell 301 close to the battery 5; a magnetic column 303 (used to cooperate with the charger to charge the battery 5) and a negative spring clip 304 are welded on the negative circuit board 302; the negative spring clip 304 supports the negative pole of the battery 5; a charging port is also arranged on the base shell 301, and the charging port is arranged at the position of the magnetic column 303.

[0056] When in use, the power button 105 is pressed, and the main circuit board 101 is connected through the contacts, and the circuit is turned on; the lamp bead 202 generates near-ultraviolet light, which is shaped by the first plano-convex lens 205 and the second plano-convex lens 208 and emitted through the light-transmitting window 211 to form a nearly circular light spot on the surface of the object; if the surface of the object is coated with photosensitive hydrogel, the photosensitive hydrogel can be cured by irradiating the photosensitive hydrogel with the light spot.

[0057] Example 2

[0058] Compared with Example 1, this embodiment is the same as Example 1 except that the infrared ranging sensor and the sensor cable are not provided.

[0059] The above description of the embodiments is to facilitate the understanding and use of the utility model by those skilled in the art. It is obvious that those familiar with the art can easily make various modifications to these embodiments and apply the general principles described herein to other embodiments without creative work. Therefore, the utility model is not limited to the above embodiments, and improvements and modifications made by those skilled in the art based on the interpretation of the utility model without departing from the scope of the utility model should be within the scope of protection of the utility model.

Claims

1. A photosensitive hydrogel light curing device, characterized in that: The device comprises an intermediate fixing seat (1), a light-emitting head (2), a base (3) and a housing (4); a control component is arranged on the intermediate fixing seat (1). One end of the intermediate fixing seat (1) along its length direction is connected to the light-emitting head (2), and the other end is connected to the housing (4); the end of the housing (4) away from the light-emitting head (2) is connected to the base (3); The light-emitting head (2) is connected to the control component, and a cavity for placing a battery (5) is provided in the housing (4). After the battery is installed, one end of the battery (5) is connected to the control component, and the other end is connected to the base (3); Wherein, the control component comprises a main circuit board (101), a display screen (108), buttons and contacts; The main circuit board (101) is arranged on the middle fixing seat (1), and contacts are arranged on the upper surface of the main circuit board (101), and the contacts are connected to the keys via spring pads (104); the display screen (108) is arranged above the main circuit board (101) and is electrically connected to the main circuit board (101); The end of the main circuit board (101) is provided with a positive electrode spring sheet (107), and is connected to the positive electrode of the battery (5) via the positive electrode spring sheet (107); the main circuit board (101) is connected to the light-emitting head (2); The light-emitting head (2) comprises a light-emitting head body (201), a lamp bead (202), a lens assembly and a light-transmitting window (211); The light-emitting head body (201) is arranged on a side of the intermediate fixing seat (1) away from the base (3), and has a cavity inside; the cavity is provided with lamp beads (202) and a lens assembly in sequence from the inside to the outside, and the light-transmitting window (211) is arranged at the end of the cavity and is connected to the light-emitting head body (201) and the intermediate fixing seat (1); The lamp bead (202) is connected to the main circuit board (101); The lens assembly comprises a first plano-convex lens (205) and a second plano-convex lens (208) which are arranged in sequence from the inside to the outside along the cavity. A locking pressure ring (204) is provided between the lamp bead (202) and the first plano-convex lens (205); A first retaining ring (206) and a second retaining ring (207) are provided between the first plano-convex lens (205) and the second plano-convex lens (208); A locking nut (210) is provided on a side of the second plano-convex lens (208) away from the lamp bead (202).

2. A photosensitive hydrogel light curing device according to claim 1, characterized in that: The display screen (108) is provided with a plug pin (109), and is connected to the main circuit board (101) via the plug pin (109).

3. A photosensitive hydrogel light curing device according to claim 1, characterized in that: The middle fixing seat (1) is provided with a first groove, and a light shielding sheet (110) is provided at the first groove; the light shielding sheet (110) is arranged above the display screen (108); and a position for a key is reserved on the light shielding sheet (110).

4. The photosensitive hydrogel light curing device according to claim 1, characterized in that: The buttons include a power button (105) and a mode button (106); the contacts include a power contact (102) and a mode contact (103); The spring pad (104) is arranged on the lower surface of the power button (105) and the mode button (106); The power contact (102) is arranged directly below the power button (105), and the mode contact (103) is arranged directly below the mode button (106).

5. The photosensitive hydrogel light curing device according to claim 1, characterized in that: The second plano-convex lens (208) is provided in more than one group; When more than two groups of second plano-convex lenses (208) are provided, a third retaining ring (209) is provided between adjacent second plano-convex lenses (208).

6. The photosensitive hydrogel light curing device according to claim 5, characterized in that: The light-emitting head body (201) is also provided with an infrared distance-measuring sensor (213), which is arranged on a side close to the light-transmitting window (211) and connected to the main circuit board (101).

7. The photosensitive hydrogel light curing device according to claim 1, characterized in that: The base (3) comprises a base housing (301) and a negative electrode circuit board (302); The base shell (301) is movably connected to the housing (4); the negative pole circuit board (302) is arranged on a side of the base shell (301) close to the battery (5); a magnetic pole (303) and a negative pole spring sheet (304) are arranged on the negative pole circuit board (302); and the negative pole spring sheet (304) is connected to the negative pole of the battery (5).

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