Liquid accumulation box

Abstract

The invention discloses a hydrops box, and relates to the technical field of medical instruments. The liquid accumulation box comprises a containing cavity and a liquid inlet. The liquid inlet is communicated with the containing cavity and the outside and used for enabling accumulated liquid to enter the containing cavity. The reflector assembly is arranged in the containing cavity. The reflector assembly comprises a reflector. The reflecting body is provided with a reflecting face which is used for reflecting light rays arranged in the containing cavity from the outside. The reflector assembly and the shell are of a split structure. The reflector assembly and the shell are of a split structure, the reflector assembly and the shell are manufactured separately, and the manufactured reflector assembly is arranged in the containing cavity. According to the liquid accumulation box, the difficulty of independent forming of the reflector assembly and the shell is low, and the manufacturing error is small, so that an external light source can be stably reflected by the reflecting face of the reflector located above the liquid level, and the light sensor can accurately detect the liquid level height of accumulated liquid in the liquid accumulation box.

Description

Technical Field

[0001] The invention relates to the technical field of medical devices, and in particular to a fluid accumulation box. Background Art

[0002] As we age, lens opacity or cataracts are quite common. Cataracts can be treated by replacing the cloudy lens with an artificial lens. Phacoemulsification is currently the most advanced cataract treatment technology. Phacoemulsification systems usually use ultrasonic energy to break up the lens and aspirate the lens from the capsular bag. During the operation, it is usually necessary to install a negative pressure device on the effusion box, and then use the effusion box to extract the fluid in the patient's eye. The effusion enters the interior of the effusion box from the inlet in the effusion box and is then discharged from the outlet of the effusion box. The suction power of the negative pressure device usually needs to be controlled by the height of the effusion liquid level in the effusion box.

[0003] In the related art, the external light source is reflected by a reflective plate integrally formed with the liquid collection box, and then the liquid level in the liquid collection box is sensed by a light sensor, and the detection result has a large error. Summary of the invention

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a liquid accumulation box, which can reduce the error generated when detecting the height of the liquid level of the liquid accumulation.

[0005] The fluid collection box according to the first aspect of the present invention is used for ophthalmic surgery, and the fluid collection box includes: A housing having a receiving cavity and a liquid inlet, wherein the liquid inlet is respectively connected to the receiving cavity and the outside, and the liquid inlet is used to allow the accumulated liquid to enter the receiving cavity; A reflector assembly is disposed in the accommodating cavity, wherein the reflector assembly comprises a reflector having a reflective surface, and the reflective surface is used to reflect light incident from the outside into the accommodating cavity; Wherein, the reflector assembly and the shell are separate structures.

[0006] The liquid collection box according to the embodiment of the present invention has at least the following beneficial effects: The shell of the liquid collection box is usually formed by injection molding, and the reflector assembly and the shell are separate structures. The reflector assembly and the shell are manufactured separately, and the reflector assembly after manufacturing is then set in the accommodating cavity. The difficulty of molding the reflector assembly and the shell separately is relatively low, and the manufacturing error is relatively small, so that the external light source can be more stably reflected by the reflective surface of the reflector located above the liquid surface, and the light sensor can more accurately detect the height of the liquid level inside the liquid collection box.

[0007] According to some embodiments of the present invention, the reflector assembly is configured to float on the effluent.

[0008] According to some embodiments of the present invention, the reflector assembly also includes a connector connected to the reflector, and the liquid collection box also includes a first guide member connected to the shell, the first guide member is located in the accommodating cavity, the first guide member extends along the height direction of the liquid collection box, the connector is movably mounted on the first guide member, and the first guide member is used to guide the connector.

[0009] According to some embodiments of the present invention, the reflector has a reflective portion and a floating portion, the floating portion is located below the reflective portion, the density of the floating portion is lower than the density of the effusion, and the refractive index of the material of the floating portion is lower than the refractive index of the material of the reflective portion.

[0010] According to some embodiments of the present invention, the reflective surface is an inclined surface extending along the height direction of the fluid collection box, and the reflective surface is arranged to cross the side wall of the fluid collection box.

[0011] According to some embodiments of the present invention, the reflector is shaped like a triangular prism, and the side of the reflector also has a first surface and a second surface, the reflecting surface is connected to the first surface and the second surface respectively, and at least one of the first surface and the second surface is parallel to the side wall of the fluid collection box.

[0012] According to some embodiments of the present invention, the first surface is arranged orthogonally to the second surface, and the angle between the reflective surface and the first surface and the second surface is 45°.

[0013] According to some embodiments of the present invention, the first surface and / or the second surface abuts against a cavity wall of the accommodating cavity.

[0014] According to some embodiments of the present invention, the shell further has a suction port connected to the accommodating cavity, and the suction port is used to be connected to a negative pressure device to form a negative pressure in the accommodating cavity. The liquid accumulation box also includes a sealing member arranged in the accommodating cavity, and the sealing member is configured to float on the accumulated liquid, and the sealing member is used to block the accumulated liquid from flowing toward the suction port.

[0015] According to some embodiments of the present invention, the liquid accumulation box also includes a flow guide connected to the shell, one end of the flow guide is connected to the cavity wall of the accommodating cavity, and the other end is spaced apart from the cavity wall of the accommodating cavity to form a flow port, and when the blocking member floats with the liquid surface, the blocking member can close the flow port to prevent the accumulated liquid from flowing from the flow port to the suction port.

[0016] According to some embodiments of the present invention, the ratio of the height of the flow port to the height of the suction port is in the range of 0.75-0.8, and / or the ratio of the flow area of ​​the flow port to the flow area of ​​the suction port is in the range of 5.0-1.0.

[0017] According to some embodiments of the present invention, the guide member is an arc-shaped plate, and along a top-to-bottom direction, the guide member extends in a direction toward the suction port.

[0018] According to some embodiments of the present invention, the shell includes a shell body and a second guide member that are connected to each other, wherein the second guide member is connected to one end of the shell body at a height lower than the flow port, and along a bottom-to-top direction, the second guide member is inclined toward the suction port, and the flow port is located between the second guide member and the guide member.

[0019] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein: Figure 1 A simplified structural diagram of a fluid collection box according to an embodiment of the present application; Figure 2 This is a simplified structural diagram of a fluid collection box according to an embodiment of the present application, in which the blocking body is in a state where the flow port is not blocked; Figure 3 This is a simplified structural diagram of a fluid collection box according to an embodiment of the present application, in which the blocking body is in a state of closing the flow port; Figure 4 This is a simplified structural diagram of a fluid collection box according to an embodiment of the present application, in which a second guide member is shown; Figure 5 This is a simplified structural diagram of a fluid collection box according to an embodiment of the present application, in which a second guide member is shown; Figure 6 This is a simplified structural diagram of a liquid collection box according to an embodiment of the present application, in which a third guide member is shown; Figure 7 This is a simplified structural diagram of a liquid collection box according to an embodiment of the present application, in which a third guide member is shown; Figure 8 This is a simplified structural diagram of a liquid collection box according to an embodiment of the present application, which shows a preset light reflection path.

[0021] Reference numerals: 100, housing; 100a, accommodating chamber; 100b, suction port; 110, housing body; 120, second guide member; 200, reflector assembly; 200a, reflective surface; 210, reflector; 210a, reflective portion; 210b, floating portion; 210c, first surface; 210d, second surface; 220, connector; 220a, abutment portion; 300, first guide member; 300a, guide groove; 400, blocking parts; 500, flow guide; 500a, flow outlet; 600, isolation plate; 610, baffle; 700, a third guide member; 700a, a guide surface; 800, light source; 900. Light sensor; O. Preset light. DETAILED DESCRIPTION

[0022] The following embodiments of the technical solution of the present application will be described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" in the specification of this application and the above-mentioned drawings and any variations thereof are intended to cover non-exclusive inclusions.

[0024] In the description of the embodiments of the present application, the technical terms "first", "second", "third", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is more than two, unless otherwise clearly and specifically defined.

[0025] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0026] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0027] In the description of the embodiments of the present application, the orientations or positional relationships indicated by technical terms such as "top", "bottom", "upper", and "lower" are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the embodiments of the present application and simplifying the description. They do not indicate or imply that the referred device or element must have a specific orientation, be constructed, operated, or used in a specific orientation. Therefore, they should not be understood as limitations on the embodiments of the present application.

[0028] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installed", "connected", "connected", "fixed" and the like 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, and it can be the internal connection of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0029] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, the technical term "contact" should be understood in a broad sense, and may be direct contact or contact through an intermediate medium layer. It may be contact with essentially no interaction force between the two contacting parties, or it may be contact with interaction force between the two contacting parties.

[0030] In the related art, a light sensor is usually used to sense the height of the effusion liquid level in the effusion box. When it is detected that the height of the effusion liquid level is high, the negative pressure device is controlled to reduce the suction power so that the discharge speed of the effusion is greater than the inlet speed. In the related art, the external light source is usually reflected by a reflector integrally formed with the shell of the effusion box. The light below the liquid surface will be refracted or scattered to a large extent, and the light above the liquid surface will be more reflected by the reflector, and thus received by the external light sensor. The shell of the effusion box is usually manufactured by injection molding. This molding process is more prone to manufacturing errors, resulting in deviations in the position or size of the reflector, so that the light sensor cannot stably receive the light reflected by the reflector, making the intraoperative liquid level detection invalid.

[0031] In the embodiment of the present application, the reflector assembly 200 and the housing 100 are manufactured separately, and when a manufacturing error occurs in the reflector assembly 200, it can be adjusted in time, and the reflector assembly 200 that meets the manufacturing accuracy is installed inside the housing 100. The reflector assembly 200 has a high manufacturing accuracy and can stably reflect the light above the effusion liquid level during the operation, so that the light sensor 900 can accurately detect the liquid level in the effusion box.

[0032] The first aspect of the present application provides a fluid collection box, see Figures 1 to 8 The effusion box is used for ophthalmic surgery. The effusion box includes a accommodating chamber 100a and a liquid inlet (not shown in the figure). The liquid inlet is connected to the accommodating chamber 100a and the outside respectively, and the liquid inlet is used to allow the effusion to enter the accommodating chamber 100a. The reflector assembly 200 is arranged in the accommodating chamber 100a. The reflector assembly 200 includes a reflector 210, and the reflector 210 has a reflective surface 200a, and the reflective surface 200a is used to reflect light from the outside arranged in the accommodating chamber 100a. Among them, the reflector assembly 200 and the shell 100 are separate structures.

[0033] Effusion refers to the waste fluid in the patient's eye during ophthalmic surgery. Usually, the density of the effusion is slightly greater than that of water.

[0034] The reflector assembly 200 refers to a structure for reflecting light from the external light source 800 to the light sensor 900 .

[0035] The reflector assembly 200 and the housing 100 are separate structures, which means that the reflector assembly and the housing 100 are separately manufactured structures.

[0036] In the solution of the embodiment of the present application, the shell 100 of the liquid collection box is usually formed by injection molding, and the reflector assembly 200 and the shell 100 are separate structures. The reflector assembly 200 and the shell 100 are manufactured separately, and the reflector assembly 200 after manufacturing is then arranged in the accommodating cavity 100a. The difficulty of separately molding the reflector assembly 200 and the shell 100 is relatively low, and the manufacturing error is relatively small, so that the external light source 800 can be more stably reflected by the reflective surface 200a of the reflector 210 located above the liquid surface, and the light sensor 900 can more accurately detect the height of the liquid level inside the liquid collection box.

[0037] In one embodiment, the reflector assembly 200 is configured to float on the accumulated liquid.

[0038] It is understood that the reflector assembly 200 is configured to float on the effluent, which means that the density of the reflector assembly 200 is lower than the density of the effluent. For example, the density of the reflector assembly 200 is less than 1 g / cm 3 .

[0039] In the solution of the embodiment of the present application, the reflector assembly 200 is configured to float on the accumulated liquid, and the reflector 210 can rise with the liquid level of the accumulated liquid in the accommodating chamber 100a. When the height of the shell 100 is relatively high, the height of the reflector 210 does not need to be made higher according to the height of the shell 100, thereby reducing the manufacturing cost.

[0040] In one embodiment, the liquid accumulation box also has a liquid outlet (not shown in the figure) connecting the accommodating cavity 100a with the outside world. The liquid outlet is located on the bottom wall of the accommodating cavity 100a. The liquid outlet is arranged at the bottom so that the accumulated liquid in the liquid accumulation box can be discharged from the accommodating cavity 100a as much as possible.

[0041] Exemplarily, the liquid inlet is located on the side wall or top wall of the accommodating chamber 100a. The liquid inlet is arranged at a higher position to reduce the backflow of the liquid accumulation box due to the gravity of the accumulated liquid itself during operation.

[0042] In one embodiment, please refer to Figure 1 The reflector assembly 200 also includes a connector 220 connected to the reflector 210, and the liquid collection box also includes a first guide member 300 connected to the shell 100. The first guide member 300 is located in the accommodating cavity 100a. The first guide member 300 extends along the height direction of the liquid collection box. The connector 220 is movably mounted on the first guide member 300, and the first guide member 300 is used to guide the connector 220.

[0043] Exemplarily, the first guide member 300 has a guide groove 300 a extending along the length direction of the first guide member 300 , and the connecting member 220 penetrates the guide groove 300 a along the first direction, and the first direction is arranged to intersect with the length direction.

[0044] Exemplarily, the guide groove 300a is a through groove.

[0045] Exemplarily, the length direction of the first guide member 300 is arranged along the height direction of the fluid collection box. During operation, the height direction of the fluid collection box is arranged along the vertical direction.

[0046] For example, the vertical direction is Figure 1 The direction indicated by the arrow R2.

[0047] Exemplarily, the connecting member 220 has two abutting portions 220a, which are arranged at intervals along the first direction, and the first guide member 300 is clamped between the two abutting portions 220a, and the abutting portions 220a are used to suppress the reflector assembly 200 from moving along the first direction.

[0048] Exemplarily, the first direction is arranged orthogonally to the length direction of the first guide member 300. Figure 1 The direction indicated by the arrow R1.

[0049] It can be understood that the reflector assembly 200 can float on the effluent if the density of the reflector 210 and the connector 220 as a whole is smaller than the density of the effluent.

[0050] In the solution of the embodiment of the present application, a first guide member 300 is provided in the liquid collection box, and the connecting member 220 is movably mounted on the first guide member 300. The first guide member 300 can guide the movement of the reflector 210, thereby inhibiting the reflector 210 from moving in directions other than the length direction of the first guide member 300. The movement of the reflector 210 is more stable.

[0051] It is understandable that the embodiments of the present application do not limit whether the liquid collection box is provided with a first guide member 300 to guide the reflector assembly 200 .

[0052] In one embodiment, please refer to Figure 2 The reflector 210 has a reflective portion 210a and a floating portion 210b, the floating portion 210b is located below the reflective portion 210a, the density of the floating portion 210b is lower than the density of the effusion, and the refractive index of the material of the floating portion 210b is lower than the refractive index of the material of the reflective portion 210a.

[0053] Exemplarily, the material of the reflective portion 210 a is polycarbonate, organic glass, polystyrene, polyethylene, polyvinyl chloride or polypropylene.

[0054] Exemplarily, the floating portion 210b is made of polyurethane or phenolic plastic.

[0055] It is understandable that the ratio between the reflective portion 210a and the floating portion 210b can be adjusted by experimentation so that the boundary between the reflective portion 210a and the floating portion 210b overlaps with the liquid surface of the accumulated liquid.

[0056] Exemplarily, the shape of the connecting member 220 is a transversely inverted "L" shape, and the vertical portion of the connecting member 220 is connected to the bottom surface of the floating portion 210b.

[0057] In the solution of the embodiment of the present application, the reflector 210 has a reflective portion 210a and a floating portion 210b. The floating portion 210b has a lower density and can provide more buoyancy for the reflector 210. During the operation of the liquid collection box, the floating portion 210b is arranged below the reflective portion 210a, and the floating portion 210b is mostly located below the liquid surface of the liquid collection. When light is incident into the liquid collection box from the outside, the floating portion 210b has a lower refractive index and can reduce the effect of total reflection below the liquid surface, while the reflective portion 210a located above the liquid surface can generate more total reflection, thereby further improving the detection accuracy of the light sensor 900.

[0058] It is understood that the embodiments of the present application do not limit the refractive index of the material of the floating portion 210b to be less than the refractive index of the material of the reflective portion 210a. For example, the material of the floating portion 210b is consistent with the material of the reflective portion 210a, and the gravity of the reflector 210 is reduced by making the floating portion 210b into a hollow block, so that the reflector 210 can float on the effusion.

[0059] In one embodiment, the reflective surface 200a is an inclined surface extending along the height direction of the liquid collection box, and the reflective surface 200a is arranged to cross the side wall of the liquid collection box.

[0060] It should be noted that the cross arrangement of the reflective surface 200a and the side wall of the liquid collection box does not mean that the reflective surface 200a must be in contact with the side wall of the liquid collection box. The cross arrangement means that the normal vector of the reflective surface 200a intersects with the normal vector of the plane corresponding to the side wall of the liquid collection box.

[0061] In the embodiment of the present application, the reflective surface 200a is an inclined surface, and the light emitted by the external light source 800 enters the accommodating cavity 100a from the side wall of the effusion box, and is reflected by the reflective surface 200a. The manufacturing accuracy of the reflective surface 200a plays a key role in the reflection effect and the reflection angle. The shape error of the reflective surface 200a may make it difficult for the light sensor 900 to receive enough light, thereby causing a large error in the detection result.

[0062] In one embodiment, please refer to Figure 2 and Figure 8 The reflector 210 is in the shape of a triangular prism, and the side of the reflector 210 also has a first surface 210c and a second surface 210d, and the reflecting surface 200a is connected to the first surface 210c and the second surface 210d respectively, and at least one of the first surface 210c and the second surface 210d is parallel to the side wall of the fluid collection box.

[0063] Exemplarily, the height direction of the reflector 210 is arranged along the height direction of the liquid collection box.

[0064] In the solution of the embodiment of the present application, the reflector 210 is in the shape of a triangular prism, and at least one of the first surface 210c and the second surface 210d is parallel to the side wall of the fluid collection box. When the external light source 800 is perpendicular to the side wall of the fluid collection box and enters the accommodating cavity 100a, the light can be perpendicularly injected into the reflector 210 as much as possible through the surface parallel to the side wall of the fluid collection box, thereby reducing the refraction of the light in the reflector 210. As much light as possible is reflected by the reflector 210 and received by the light sensor 900, the detection accuracy is high.

[0065] It is understood that the embodiments of the present application are not limited to at least one of the first surface 210c and the second surface 210d being parallel to the side wall of the fluid collection box. Exemplarily, the first surface 210c and the second surface 210d are both arranged to cross the side wall of the fluid collection box.

[0066] In one embodiment, please refer to Figure 8 The first surface 210c and the second surface 210d are arranged orthogonally, and the angle between the reflecting surface 200a and the first surface 210c and the second surface 210d is 45°.

[0067] Exemplarily, when projected along the height direction of the reflector 210 , the projection area of ​​the reflector 210 is an isosceles right triangle, and the projection area of ​​the reflective surface 200 a is the hypotenuse.

[0068] In the scheme of the embodiment of the present application, the first surface 210c and the second surface 210d are arranged orthogonally, and the angle between the reflective surface 200a and the first surface 210c and the second surface 210d is 45°. The first surface 210c, the second surface 210d and the reflective surface 200a are arranged to form an isosceles right triangle. The first surface 210c and the second surface 210d can both be parallel to the side wall of the fluid collection box. In the case where the external light source 800 is incident perpendicular to the side wall of the fluid collection box, the light can be incident on the reflector 210 along one of the first surface 210c or the second surface 210d, and after being reflected by the reflective surface 200a, it can be vertically emitted from the reflector 210 through the other surface. The light after emitting from the reflector 210 can be emitted in a direction perpendicular to the other side wall of the fluid collection box. The external light source 800 and the light sensor 900 can be arranged according to the placement orientation of the fluid collection box, and the operation is simple. Furthermore, the shape of the reflector 210 can reduce the refraction of light as much as possible, thereby improving the accuracy of detection.

[0069] It is understood that the embodiment of the present application does not limit the angles between the reflective surface 200a and the first surface 210c and the second surface 210d. For example, the angles between the reflective surface 200a and the first surface 210c and the second surface 210d are both 60° or 30°.

[0070] For example, see Figure 8 The preset light emitted by the light source 800 enters the reflector 210 from the first surface 210 c , is reflected by the reflective surface 200 a , exits the reflector 210 from the second surface 210 d , and is then received by the light sensor 900 .

[0071] In one embodiment, please refer to Figure 8 The first surface 210c and / or the second surface 210d abut against the cavity wall of the accommodating cavity 100a.

[0072] In the solution of the embodiment of the present application, the first surface 210c and the second surface 210d are both in contact with the cavity wall of the accommodating cavity 100a, and the gap between the first surface 210c and the second surface 210d and the accommodating cavity 100a is small, which can reduce the degree of refraction of light in the process of entering the accommodating cavity 100a from the side wall of the effusion box. Furthermore, the cavity wall of the accommodating cavity 100a can play a certain positioning role for the reflector 210, facilitate the installation of the reflector 210, and reduce assembly errors.

[0073] It is understandable that the embodiment of the present application is not limited to the first surface 210c and the second surface 210d both abutting against the cavity wall of the accommodating cavity 100a. Exemplarily, the first surface 210c and the second surface 210d are both spaced apart from the cavity wall of the accommodating cavity 100a.

[0074] In one embodiment, please refer to Figures 1 to 7 The shell 100 also has a suction port 100b connected to the accommodating chamber 100a, and the suction port 100b is used to connect with the negative pressure device to form a negative pressure in the accommodating chamber 100a. The liquid accumulation box also includes a blocking member 400 arranged in the accommodating chamber 100a. The blocking member 400 is configured to float on the accumulated liquid, and the blocking member 400 is used to block the accumulated liquid from flowing toward the suction port 100b.

[0075] For example, the density of the blocking member 400 is less than 1 g / cm 3 The material of the blocking member 400 may be one of foam plastic, silica gel, rubber and artificial rubber, or a combination of the above materials.

[0076] In the solution of the embodiment of the present application, the fluid accumulation box also includes a blocking member 400 disposed in the accommodating chamber 100a. The blocking member 400 can float with the liquid surface of the effusion. When the liquid surface rises to a certain height, the blocking member 400 can block the effusion from flowing to the suction port 100b. The blocking member 400 can reduce the flow of the effusion from the suction port 100b to the negative pressure device when the liquid outlet is not able to remove the effusion in time. This alleviates the situation where the operation cannot continue due to a short circuit of the negative pressure device.

[0077] It is understandable that the embodiment of the present application does not limit the form of the blocking member 400. Exemplarily, the blocking member 400 is an electronic valve, and when the light sensor 900 senses that the liquid level rises to a dangerous liquid level, the light sensor 900 sends a signal to the electronic valve to make the electronic valve close the suction port 100b, thereby blocking the accumulated liquid from flowing from the suction port 100b to the negative pressure device.

[0078] In one embodiment, please refer to Figures 1 to 3The liquid accumulation box also includes a guide member 500 connected to the shell 100, one end of the guide member 500 is connected to the cavity wall of the accommodating cavity 100a, and the other end is spaced apart from the cavity wall of the accommodating cavity 100a to form a flow port 500a. When the blocking member 400 floats with the liquid surface, the blocking member 400 can close the flow port 500a to prevent the accumulated liquid from flowing from the flow port 500a to the suction port 100b.

[0079] For example, when negative pressure is formed in the accommodating chamber 100a, air flows from the flow port 500a to the suction port 100b. Exemplarily, when projected along the height direction of the fluid collection box, the projection area of ​​the suction port 100 b is located within the projection area of ​​the flow guide 500 .

[0080] In the solution of the embodiment of the present application, the effusion box also includes a guide member 500 connected to the shell 100, and the guide member 500 is arranged at intervals with the cavity wall of the accommodating cavity 100a to form a flow port 500a. The guide member 500 can guide the airflow during the operation of the negative pressure device so that the airflow flows from the flow port 500a to the suction port 100b. The flow velocity of the airflow concentrated at the flow port 500a increases, thereby forming a low-pressure area, further increasing the rate of the airflow flowing to the flow port 500a to produce a Venturi effect. The guide member 500 can quickly establish negative pressure in the accommodating cavity 100a, thereby reducing the waiting time for surgery.

[0081] It is understandable that the embodiment of the present application does not limit whether the fluid collection box is provided with the guide member 500. Exemplarily, the negative pressure device directly suctions the accommodating cavity 100a through the suction port 100b, and the blocking member 400 directly blocks the suction port 100b.

[0082] In one embodiment, the ratio of the height of the flow port 500a to the height of the suction port 100b is in a range of 0.75 to 0.8.

[0083] The height of the flow opening 500a refers to the distance between the flow opening 500a and the bottom wall of the liquid collection box along the height direction of the liquid collection box.

[0084] Exemplarily, the ratio of the height of the flow opening 500a to the height of the suction opening 100b is 0.75, 0.76, 0.77, 0.78, 0.79 or 0.8.

[0085] Exemplarily, the suction port 100b is located on the top wall of the cavity wall of the accommodating cavity 100a.

[0086] In the solution of the embodiment of the present application, the height of the flow port 500a and the height of the suction port 100b are within an appropriate range to ensure that there is sufficient space in the accommodating chamber 100a to accommodate the accumulated liquid, and the sealing member 400 can timely seal the flow port 500a, thereby reducing the situation where the accumulated liquid flows to the suction port 100b.

[0087] It is understandable that the embodiment of the present application does not limit the ratio of the height of the flow port 500a to the height of the suction port 100b.

[0088] In one embodiment, the ratio of the flow area of ​​the flow port 500a to the flow area of ​​the suction port 100b is in the range of 5.0 to 1.0.

[0089] It will be appreciated that the flow area can be measured by measuring the volume of water flowing through per unit time.

[0090] Exemplarily, the ratio of the flow area of ​​the flow opening 500a to the flow area of ​​the suction opening 100b is 1.0, 2.0, 3.0, 4.0 or 5.0.

[0091] In the solution of the embodiment of the present application, the flow area of ​​the flow port 500a and the flow area of ​​the suction port 100b are within an appropriate range so that the Venturi phenomenon can be formed more stably at the flow port 500a, thereby quickly establishing negative pressure in the accommodating chamber 100a.

[0092] In one embodiment, please refer to Figures 1 to 3 , the blocking member 400 is connected to the reflector assembly 200 .

[0093] Exemplarily, the blocking member 400 is fixedly connected to the reflector assembly 200 .

[0094] Exemplarily, the blocking member 400 is connected to the connecting member 220 , and the movement of the blocking member 400 can also be constrained by the connecting member 220 and the first guide member 300 , so that the moving direction of the blocking member 400 is relatively stable.

[0095] In the solution of the embodiment of the present application, the blocking member 400 is connected to the reflector assembly 200, and the blocking member 400 can rise synchronously with the reflector assembly 200. When the reflector assembly 200 indicates that the liquid level rises to a dangerous level, the reflector assembly 200 can reduce the up and down floating of the blocking member 400 caused by the flow of the effluent, and the blocking member 400 can relatively stably block the effluent from flowing toward the suction port 100b.

[0096] It is understandable that the embodiment of the present application does not limit the blocking member 400 to be connected to the reflector assembly 200. Exemplarily, the blocking member 400 is isolated from the reflector assembly 200, and the liquid collection box further includes a baffle 610 disposed in the accommodating cavity 100a, the baffle 610 extends along the height direction of the liquid collection box, and the baffle 610 and the guide member 500 are arranged at intervals so that the accumulated liquid can flow on both sides of the baffle 610. The blocking member 400 is located on the side of the baffle 610 away from the reflector assembly 200, and the baffle 610 can reduce the situation where the blocking member 400 runs around in the accommodating cavity 100a.

[0097] In one embodiment, please refer to Figures 1 to 5 The guide member 500 is an arc-shaped plate, and extends from top to bottom in a direction toward the suction port 100 b.

[0098] Exemplarily, the guide member 500 is a downwardly protruding arc-shaped plate. The larger angle formed between the guide member 500 and the cavity wall of the accommodating cavity 100a can reduce wind resistance to a certain extent, and the airflow is smoother.

[0099] In the solution of the embodiment of the present application, the guide member 500 is an arc-shaped plate. The arc-shaped plate can reduce the stress concentration of the guide member 500, and the arc-shaped plate can reduce the resistance encountered by the airflow to a certain extent, and generate less noise, thereby reducing the impact of the airflow on the surgical process.

[0100] It is understandable that the embodiment of the present application does not limit the shape of the guide member 500. Exemplarily, the guide member 500 is formed by splicing two straight plates that are perpendicular to each other.

[0101] In one embodiment, please refer to Figure 4 and Figure 5 The shell 100 includes a shell body 110 and a second guide member 120 that are connected to each other. The second guide member 120 is connected to one end of the shell body 110 at a height lower than the flow port 500a. From bottom to top, the second guide member 120 is inclined toward the suction port 100b, and the flow port 500a is located between the second guide member 120 and the guide member 500.

[0102] It is understandable that the embodiment of the present application does not limit the shape of the second guide member 120 , and the second guide member 120 may be a curved plate or a straight plate.

[0103] Exemplarily, the second guide member 120 is an upwardly protruding arc plate, and one end of the second guide member 120 facing the flow guide member 500 is higher than the end of the flow guide member 500 facing the second guide member 120. The upwardly protruding arc plate has a good guiding effect on the blocking member 400, so that the blocking member 400 can move toward the flow port 500a more stably, and the blocking member 400 abuts between the second guide member 120 and the first guide member 300, thereby blocking the flow port 500a and preventing the accumulated liquid from flowing from the flow port 500a to the suction port 100b.

[0104] In the solution of the embodiment of the present application, the housing 100 includes a housing body 110 and a second guide member 120 connected to each other, the second guide member 120 is an arc-shaped plate, and the flow port 500a is located between the second guide member 120 and the flow guide member 500. The second guide member 120 can guide the blocking member 400 so that the blocking member 400 can move to the flow port 500a more accurately.

[0105] In one embodiment, please refer to Figure 6 and Figure 7 The liquid accumulation box also includes a partition plate 600 and a third guide member 700. The partition plate 600 is located on the side of the first guide member 300 away from the reflector 210, and the partition plate 600 is connected to the first guide member 300 and the housing 100. The side of the partition plate 600 facing the suction port 100b is concave and formed with a conical surface, so that the flow port 500a can produce a Venturi effect. The third guide member 700 is connected to the side of the partition plate 600 away from the suction port 100b. The third guide member 700 has an annular guide surface 700a, and the radius of the guide surface 700a gradually increases from top to bottom.

[0106] Exemplarily, the shape of the blocking member 400 may be spherical, plate-shaped or cylindrical.

[0107] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application is described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the specification of the present application. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of protection.

Claims

1. A fluid collection box, characterized in that: For ophthalmic surgery, the effusion box comprises: A housing having a receiving cavity and a liquid inlet, wherein the liquid inlet is respectively connected to the receiving cavity and the outside, and the liquid inlet is used to allow the accumulated liquid to enter the receiving cavity; A reflector assembly is disposed in the accommodating cavity, wherein the reflector assembly comprises a reflector, wherein the reflector has a reflective surface, and the reflective surface is used to reflect light incident from the outside into the accommodating cavity; Wherein, the reflector assembly and the shell are separate structures.

2. The liquid collection box according to claim 1, characterized in that: The reflector assembly is configured to float on the effluent.

3. The liquid collection box according to claim 2, characterized in that: The reflector assembly also includes a connector connected to the reflector, and the liquid collection box also includes a first guide connected to the shell, the first guide is located in the accommodating cavity, the first guide extends along the height direction of the liquid collection box, the connector is movably mounted on the first guide, and the first guide is used to guide the connector.

4. The liquid collection box according to claim 2, characterized in that: The reflector has a reflective portion and a floating portion, the floating portion is located below the reflective portion, the density of the floating portion is lower than the density of the effusion, and the refractive index of the material of the floating portion is lower than the refractive index of the material of the reflective portion.

5. The liquid collection box according to claim 1, characterized in that: The reflecting surface is an inclined surface extending along the height direction of the liquid collection box, and the reflecting surface is arranged to cross the side wall of the liquid collection box.

6. The liquid collection box according to claim 5, characterized in that: The reflector is in the shape of a triangular prism, and the side of the reflector also has a first surface and a second surface, the reflective surface is connected to the first surface and the second surface respectively, and at least one of the first surface and the second surface is parallel to the side wall of the fluid collection box.

7. The liquid collection box according to claim 6, characterized in that: The first surface is arranged orthogonally to the second surface, and the angle between the reflective surface and the first surface and the second surface is 45°.

8. The fluid collection box according to claim 6, characterized in that: The first surface and / or the second surface abuts against a cavity wall of the accommodating cavity.

9. The liquid collection box according to any one of claims 1 to 8, characterized in that: The shell also has a suction port connected to the accommodating cavity, and the suction port is used to be connected to a negative pressure device to form a negative pressure in the accommodating cavity. The liquid accumulation box also includes a sealing member arranged in the accommodating cavity, and the sealing member is configured to float on the accumulated liquid. The sealing member is used to block the accumulated liquid from flowing toward the suction port.

10. The fluid collection box according to claim 9, characterized in that: The liquid accumulation box also includes a flow guide connected to the shell, one end of the flow guide is connected to the cavity wall of the accommodating cavity, and the other end is spaced apart from the cavity wall of the accommodating cavity to form a flow port. When the blocking member floats with the liquid surface, the blocking member can close the flow port to prevent the accumulated liquid from flowing from the flow port to the suction port.

11. The fluid collection box according to claim 10, characterized in that: Along the height direction of the fluid accumulation box, the ratio of the height of the flow port to the height of the suction port is in the range of 0.75~0.8, and / or the ratio of the flow area of ​​the flow port to the flow area of ​​the suction port is in the range of 5.0~1.

0.

12. The fluid collection box according to claim 10, characterized in that: The guide member is an arc-shaped plate, and extends from top to bottom in a direction toward the suction port.

13. The fluid collection box according to claim 10, characterized in that: The shell includes a shell body and a second guide member that are connected to each other. The height of the second guide member connected to one end of the shell body is lower than the flow port. From bottom to top, the second guide member is inclined toward the suction port, and the flow port is located between the second guide member and the guide member.

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