Eye medical flow control device

Abstract

The utility model provides a medical flow control device for eyes, which relates to the technical field of medical instruments and is characterized in that a first air pressure interface and a second air pressure interface are communicated with the tops of a first accommodating cavity and a second accommodating cavity in a one-to-one correspondence manner; the liquid phase areas of the first containing cavity and the second containing cavity are in fluid communication with the infusion bag connector, the first control valve is installed between the first containing cavity and the infusion bag connector, and the second control valve is installed between the second containing cavity and the infusion bag connector. The vitreous incision infusion connector and the super milk filling connector are communicated with the second containing cavity and the first containing cavity in a one-to-one correspondence mode, first pressure detection devices are installed in pipelines of the vitreous incision infusion connector and the super milk filling connector, and specific air pressure is input through the first air pressure connector and the second air pressure connector respectively. And the working pressure is detected through the first pressure detection device, so that the infusion pressure and the perfusion pressure can be regulated and controlled, and the pressure regulation and control are more flexible and accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to an eye medical flow control device. Background Art

[0002] Microsurgery usually uses optical magnification equipment and microsurgical instruments to perform delicate surgeries for cutting or removing tissues in different parts. During the surgery, fluids need to be injected into the eye while sucking out the original fluids and tissues in the eye, so it is necessary to keep the intraocular pressure and flow rate of the patient stable. In the prior art, gravity is usually used to provide perfusion pressure, or the perfusion pressure is controlled by adjusting the height of the infusion bag, making it difficult to obtain stable and accurate intraocular pressure. Content of the Utility Model

[0003] The purpose of the utility model is to provide an eye medical flow control device to alleviate the technical problem that it is difficult to accurately regulate the infusion and perfusion pressure of the eye medical flow control device.

[0004] In a first aspect, the eye medical flow control device provided by the utility model includes: a liquid injection container, a first air pressure interface, a second air pressure interface, a first control valve, a second control valve, an infusion bag interface, a vitrectomy infusion interface, a phacoemulsification perfusion interface, a first pressure detection device, a waste liquid container, a liquid pump, a third air pressure interface, a vitrectomy liquid suction interface, a phacoemulsification suction interface, and a waste liquid interface;

[0005] The liquid injection container is provided with a first accommodation cavity and a second accommodation cavity, and the first air pressure interface and the second air pressure interface are correspondingly communicated with the tops of the first accommodation cavity and the second accommodation cavity;

[0006] The liquid phase regions of the first accommodation cavity and the second accommodation cavity are respectively in fluid communication with the infusion bag interface, the first control valve is installed between the first accommodation cavity and the infusion bag interface, and the second control valve is installed between the second accommodation cavity and the infusion bag interface;

[0007] The vitrectomy infusion interface and the phacoemulsification perfusion interface are correspondingly communicated with the second accommodation cavity and the first accommodation cavity, and the first pressure detection device is installed in the pipelines of the vitrectomy infusion interface and the phacoemulsification perfusion interface;

[0008] The third air pressure interface is in fluid communication with the top of the waste liquid container, the liquid pump, the vitrectomy liquid suction interface, and the phacoemulsification suction interface are respectively in fluid communication with the liquid phase region of the waste liquid container, and the waste liquid interface is in fluid communication with the liquid pump;

[0009] A second pressure detection device is installed in the pipelines of the vitrectomy liquid suction interface and the phacoemulsification suction interface.

[0010] In combination with the first aspect, the present utility model provides a first possible implementation manner of the first aspect, wherein a third control valve is connected between the first accommodation chamber and the first pressure detection device, and a fourth control valve is connected between the second accommodation chamber and the first pressure detection device.

[0011] In combination with the first aspect, the present utility model provides a second possible implementation manner of the first aspect, wherein a fifth control valve is connected between the vitrectomy infusion interface and the first pressure detection device, and a sixth control valve is connected between the phacoemulsification perfusion interface and the first pressure detection device.

[0012] In combination with the first aspect, the present utility model provides a third possible implementation manner of the first aspect, wherein a master control valve is installed in the pipeline from the vitrectomy fluid suction interface and the phacoemulsification suction interface to the second pressure detection device.

[0013] In combination with the third possible implementation manner of the first aspect, the present utility model provides a fourth possible implementation manner of the first aspect, wherein a first sub-control valve is installed between the vitrectomy fluid suction interface and the master control valve, and a second sub-control valve is installed between the phacoemulsification suction interface and the master control valve.

[0014] In combination with the first aspect, the present utility model provides a fifth possible implementation manner of the first aspect, wherein the liquid pump includes: a first pump body and a second pump body. The liquid inlet ends of the first pump body and the second pump body are respectively in fluid communication with the waste liquid interface, and the liquid outlet ends of the first pump body and the second pump body are respectively in fluid communication with the waste liquid container.

[0015] In combination with the fifth possible implementation manner of the first aspect, the present utility model provides a sixth possible implementation manner of the first aspect, wherein a seventh control valve is connected between the first pump body and the waste liquid interface, and an eighth control valve is connected between the second pump body and the waste liquid interface.

[0016] In combination with the fifth possible implementation manner of the first aspect, the present utility model provides a seventh possible implementation manner of the first aspect, wherein a ninth control valve is connected between the first pump body and the waste liquid container, and a tenth control valve is connected between the second pump body and the waste liquid container.

[0017] The embodiments of the present utility model bring the following beneficial effects: The liquid injection container is provided with a first accommodation cavity and a second accommodation cavity. The first air pressure interface and the second air pressure interface are correspondingly communicated with the tops of the first accommodation cavity and the second accommodation cavity. The liquid phase regions of the first accommodation cavity and the second accommodation cavity are respectively in fluid communication with the infusion bag interface. The first control valve is installed between the first accommodation cavity and the infusion bag interface. The second control valve is installed between the second accommodation cavity and the infusion bag interface. The vitrectomy infusion interface and the phacoemulsification perfusion interface are correspondingly communicated with the second accommodation cavity and the first accommodation cavity. A first pressure detection device is installed in the pipelines of the vitrectomy infusion interface and the phacoemulsification perfusion interface. By respectively inputting specific air pressures through the first air pressure interface and the second air pressure interface, and detecting the working pressure through the first pressure detection device, the infusion and perfusion pressures can be regulated, and the pressure regulation is more flexible and accurate.

[0018] In order to make the above objects, features and advantages of the present utility model more obvious and understandable, the following specifically enumerates preferred embodiments and, in conjunction with the accompanying drawings, makes a detailed description as follows. Description of the Drawings

[0019] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the related art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the related art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a schematic diagram of the eye medical flow control device provided by the embodiment of the present utility model.

[0021] Icons: 001 - liquid injection container; 101 - first accommodation cavity; 102 - second accommodation cavity; 002 - first air pressure interface; 003 - second air pressure interface; 004 - first control valve; 005 - second control valve; 006 - infusion bag interface; 007 - vitrectomy infusion interface; 008 - phacoemulsification perfusion interface; 009 - first pressure detection device; 010 - third control valve; 011 - fourth control valve; 012 - fifth control valve; 013 - sixth control valve; 014 - waste liquid container; 015 - liquid pump; 151 - first pump body; 152 - second pump body; 016 - third air pressure interface; 017 - vitrectomy liquid suction interface; 018 - phacoemulsification suction interface; 019 - waste liquid interface; 020 - second pressure detection device; 021 - seventh control valve; 022 - eighth control valve; 023 - ninth control valve; 024 - tenth control valve; 025 - main control valve; 026 - first sub-control valve; 027 - second sub-control valve. Detailed Embodiments

[0022] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and should not be construed as indicating or implying relative importance. Physical quantities in the formulas, unless otherwise specifically marked, should be understood as the basic quantities of the basic units of the International System of Units, or derived quantities derived from the basic quantities through mathematical operations such as multiplication, division, differentiation, or integration.

[0024] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "connection" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] As Figure 1 shown, the eye medical flow control device provided by the embodiment of the present utility model includes: a liquid injection container 001, a first air pressure interface 002, a second air pressure interface 003, a first control valve 004, a second control valve 005, an infusion bag interface 006, a vitrectomy infusion interface 007, an ultrasonic emulsification perfusion interface 008, and a first pressure detection device 009;

[0026] The liquid injection container 001 is provided with a first accommodation cavity 101 and a second accommodation cavity 102. The first air pressure interface 002 and the second air pressure interface 003 are correspondingly communicated with the tops of the first accommodation cavity 101 and the second accommodation cavity 102 respectively;

[0027] The liquid phase regions of the first accommodation cavity 101 and the second accommodation cavity 102 are respectively in fluid communication with the infusion bag interface 006. The first control valve 004 is installed between the first accommodation cavity 101 and the infusion bag interface 006, and the second control valve 005 is installed between the second accommodation cavity 102 and the infusion bag interface 006;

[0028] The vitrectomy infusion interface 007 and the phacoemulsification perfusion interface 008 are correspondingly connected to the second accommodation cavity 102 and the first accommodation cavity 101, and a first pressure detection device 009 is installed in the pipelines of the vitrectomy infusion interface 007 and the phacoemulsification perfusion interface 008.

[0029] Specifically, the first air pressure interface 002 and the second air pressure interface 003 serve as air pressure input ports respectively. The air pressure input from the first air pressure interface 002 can increase the internal cavity pressure of the first accommodation cavity 101, and the air pressure input from the second air pressure interface 003 can increase the internal cavity pressure of the second accommodation cavity 102. By regulating the air pressures of the first air pressure interface 002 and the second air pressure interface 003 respectively, the liquid pressures leading to the vitrectomy infusion interface 007 and the phacoemulsification perfusion interface 008 can be adjusted. Thus, the pressure regulation of infusion and perfusion can be achieved, and the first pressure detection device 009 is used to detect and ensure the stability and accuracy of the liquid supply pressure.

[0030] Furthermore, the ophthalmic medical flow control device further includes: a waste liquid container 014, a liquid pump 015, a third air pressure interface 016, a vitrectomy liquid suction interface 017, a phacoemulsification suction interface 018, and a waste liquid interface 019; the third air pressure interface 016 is in fluid communication with the top of the waste liquid container 014, the liquid pump 015, the vitrectomy liquid suction interface 017, and the phacoemulsification suction interface 018 are respectively in fluid communication with the liquid phase region of the waste liquid container 014, and the waste liquid interface 019 is in fluid communication with the liquid pump 015.

[0031] In this embodiment, a suction device or a pressure increasing device can be connected through the third air pressure interface 016, and then the fluid pressure inside the waste liquid container 014 can be adjusted. The vitrectomy liquid suction interface 017 and the phacoemulsification suction interface 018 are respectively connected to the liquid suction ports of the vitrectomy handle and the external phacoemulsification. The waste liquid can be suctioned into the waste liquid container 014, and the waste liquid inside the waste liquid container 014 can flow into the waste liquid bag through the waste liquid interface 019 by gravity.

[0032] Furthermore, a second pressure detection device 020 is installed in the pipelines of the vitrectomy liquid suction interface 017 and the phacoemulsification suction interface 018. The fluid pressures in the pipelines of the vitrectomy liquid suction interface 017 and the phacoemulsification suction interface 018 can be detected through the second pressure detection device 020.

[0033] In the embodiment of the present utility model, a third control valve 010 is connected between the first accommodation chamber 101 and the first pressure detection device 009, and a fourth control valve 011 is connected between the second accommodation chamber 102 and the first pressure detection device 009. The on-off state of the liquid discharge from the first accommodation chamber 101 can be controlled by the third control valve 010, and the on-off state of the liquid discharge from the second accommodation chamber 102 can be controlled by the fourth control valve 011. By controlling the opening and closing of the third control valve 010 and the fourth control valve 011, the liquid in the first accommodation chamber 101 and the second accommodation chamber 102 can be flexibly selected.

[0034] Further, a fifth control valve 012 is connected between the vitrectomy infusion interface 007 and the first pressure detection device 009, and a sixth control valve 013 is connected between the phacoemulsification perfusion interface 008 and the first pressure detection device 009. By controlling the opening and closing states and the opening degrees of the fifth control valve 012 and the sixth control valve 013 respectively, the liquid that meets the pressure standard can be ensured to be discharged, thereby improving the stability of the liquid flow rate and pressure.

[0035] Further, a master control valve 025 is installed in the pipeline from the vitrectomy fluid suction interface 017 and the phacoemulsification suction interface 018 to the second pressure detection device 020. By switching the opening and closing state of the master control valve 025, the on-off state of the pipeline from the vitrectomy fluid suction interface 017 and the phacoemulsification suction interface 018 to the second pressure detection device 020 can be controlled.

[0036] Further, a first sub-control valve 026 is installed between the vitrectomy fluid suction interface 017 and the master control valve 025, and a second sub-control valve 027 is installed between the phacoemulsification suction interface 018 and the master control valve 025. The on-off state of the vitrectomy fluid suction interface 017 can be regulated by the first sub-control valve 026, and the on-off state of the phacoemulsification suction interface 018 can be regulated by the second sub-control valve 027, improving the flexibility of regulating the on-off states of the vitrectomy fluid suction interface 017 and the phacoemulsification suction interface 018.

[0037] In this embodiment, the liquid pump 015 includes: a first pump body 151 and a second pump body 152. The liquid inlet ends of the first pump body 151 and the second pump body 152 are respectively in fluid communication with the waste liquid interface 019, and the liquid outlet ends of the first pump body 151 and the second pump body 152 are respectively in fluid communication with the waste liquid container 014. Both the first pump body 151 and the second pump body 152 adopt a plunger pump, a diaphragm pump, a peristaltic pump, etc., and the capacity is selected as 1 ml to 15 ml. The waste liquid is diverted to the waste liquid bag through the waste liquid interface 019 in a parallel dual-pump manner.

[0038] In addition, a seventh control valve 021 is connected between the first pump body 151 and the waste liquid interface 019, and an eighth control valve 022 is connected between the second pump body 152 and the waste liquid interface 019. The seventh control valve 021 and the eighth control valve 022 can respectively regulate the on-off of the liquid inlet ends of the first pump body 151 and the second pump body 152.

[0039] A ninth control valve 023 is connected between the first pump body 151 and the waste liquid container 014, and a tenth control valve 024 is connected between the second pump body 152 and the waste liquid container 014. The ninth control valve 023 and the tenth control valve 024 can respectively regulate the on-off of the liquid outlet ends of the first pump body 151 and the second pump body 152. The seventh control valve 021, the eighth control valve 022, the ninth control valve 023 and the tenth control valve 024 are coordinated and controlled by the controller, so that one of the first pump body 151 and the second pump body 152 can pump liquid, and the other can transport the liquid to the waste liquid bag through the waste liquid interface 019, thereby realizing the flow regulation and stable suction of the waste liquid simultaneously.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. An ocular medical flow control device, characterized in that: include: A liquid injection container (001), a first air pressure interface (002), a second air pressure interface (003), a first control valve (004), a second control valve (005), an infusion bag interface (006), a vitrectomy infusion interface (007), a phacoemulsification infusion interface (008), a first pressure detection device (009), a waste liquid container (014), a liquid pump (015), a third air pressure interface (016), a vitrectomy liquid suction interface (017), a phacoemulsification suction interface (018) and a waste liquid interface (019); The liquid injection container (001) is provided with a first accommodating chamber (101) and a second accommodating chamber (102); the first air pressure interface (002) and the second air pressure interface (003) are connected to the top of the first accommodating chamber (101) and the top of the second accommodating chamber (102) in a one-to-one correspondence; The liquid phase regions of the first accommodating chamber (101) and the second accommodating chamber (102) are respectively in fluid communication with the infusion bag interface (006); the first control valve (004) is installed between the first accommodating chamber (101) and the infusion bag interface (006); and the second control valve (005) is installed between the second accommodating chamber (102) and the infusion bag interface (006); The vitrectomy infusion interface (007) and the phacoemulsification perfusion interface (008) are connected to the second accommodating cavity (102) and the first accommodating cavity (101) in a one-to-one correspondence, and the first pressure detection device (009) is installed in the pipelines of the vitrectomy infusion interface (007) and the phacoemulsification perfusion interface (008); The third air pressure interface (016) is in fluid communication with the top of the waste liquid container (014); the liquid pump (015), the vitrectomy liquid suction interface (017) and the phacoemulsification suction interface (018) are respectively in fluid communication with the liquid phase region of the waste liquid container (014); and the waste liquid interface (019) is in fluid communication with the liquid pump (015); A second pressure detection device (020) is installed in the pipelines of the vitrectomy fluid suction interface (017) and the phacoemulsification suction interface (018).

2. The ocular medical flow control device according to claim 1, characterized in that: A third control valve (010) is connected between the first accommodating chamber (101) and the first pressure detecting device (009), and a fourth control valve (011) is connected between the second accommodating chamber (102) and the first pressure detecting device (009).

3. The ocular medical flow control device according to claim 1, characterized in that: A fifth control valve (012) is connected between the vitrectomy infusion interface (007) and the first pressure detection device (009), and a sixth control valve (013) is connected between the phacoemulsification perfusion interface (008) and the first pressure detection device (009).

4. The ocular medical flow control device according to claim 1, characterized in that: A master control valve (025) is installed in the pipeline from the vitrectomy fluid suction interface (017) and the phacoemulsification suction interface (018) to the second pressure detection device (020).

5. The ocular medical flow control device according to claim 4, characterized in that: A first sub-control valve (026) is installed between the vitrectomy fluid suction interface (017) and the master control valve (025), and a second sub-control valve (027) is installed between the phacoemulsification suction interface (018) and the master control valve (025).

6. The ocular medical flow control device according to claim 1, characterized in that: The liquid pump (015) comprises: a first pump body (151) and a second pump body (152), wherein the liquid inlet ends of the first pump body (151) and the second pump body (152) are respectively connected to the fluid of the waste liquid interface (019), and the liquid outlet ends of the first pump body (151) and the second pump body (152) are respectively connected to the fluid of the waste liquid container (014).

7. The ocular medical flow control device according to claim 6, characterized in that: A seventh control valve (021) is connected between the first pump body (151) and the waste liquid interface (019), and an eighth control valve (022) is connected between the second pump body (152) and the waste liquid interface (019).

8. The ocular medical flow control device according to claim 6, characterized in that: A ninth control valve (023) is connected between the first pump body (151) and the waste liquid container (014), and a tenth control valve (024) is connected between the second pump body (152) and the waste liquid container (014).

Images