A water drop device for ophthalmic surgery

Abstract

The utility model discloses a water-dropping device for ophthalmic surgery, comprising a bracket provided with a mounting seat; a valve component comprising a shell, a valve core, an impeller and a rotating shaft, the shell being arranged on the mounting seat, a partition being arranged in the shell, the partition dividing the shell into a liquid cavity and a gas cavity, the rotating shaft being rotatably connected to the partition, the valve core and the impeller being both connected to the rotating shaft, the valve core being accommodated in the liquid cavity, the impeller being accommodated in the gas cavity, the impeller being used for driving the valve core to rotate, the valve core being used for cutting off or opening the liquid cavity, an elastic member being connected to the rotating shaft and the shell, the elastic member being used for driving the rotating shaft to reset after rotation; the outlet of the medicine storage device being connected to the inlet of the liquid cavity; the water-dropping head being connected to the outlet of the liquid cavity; the air pump component being connected to the inlet of the gas cavity, pumping air to drive the impeller to rotate, the gas cavity being provided with a flow regulating valve; a flow rate regulator being arranged at one end of an infusion tube close to the water-dropping head, and being used for controlling the water-dropping speed.

Description

Technical Field

[0001] The utility model relates to the field of medical instruments, in particular to a water-dispensing device for ophthalmic surgery. Background Art

[0002] Traditionally, water infusion is performed by a surgical assistant holding a 5ml syringe connected to a lacrimal duct flushing needle. During the operation, the patient cannot control the time and amount of water infusion by himself, which will interfere with the surgical field of view. At the same time, water infusion at an inappropriate time will cause inconvenience during the operation. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a water-dispensing device for ophthalmic surgery, which can enable the subject to be operated to control the water-dispensing time and water-dispensing amount by himself, and will not interfere with the surgical field of view during the operation, so as to achieve the goal of timely and quantitative water-dispensing at the appropriate time.

[0004] According to the first aspect of the utility model, a water-dropping device for ophthalmic surgery includes: a bracket, which is provided with a mounting seat; a valve assembly, including a shell, a valve core, an impeller and a rotating shaft, the shell is arranged on the mounting seat, a partition is arranged in the shell, the partition divides the shell into a liquid chamber and a gas chamber, the rotating shaft is rotatably connected to the partition, the valve core and the impeller are both connected to the rotating shaft, the valve core is accommodated in the liquid chamber, the impeller is accommodated in the gas chamber, the impeller is used to drive the valve core to rotate, and the valve core is used to cut off or open The liquid cavity is opened, an elastic member is connected between the rotating shaft and the shell, and the elastic member is used to drive the rotating shaft to reset after rotation; a medicine reservoir is arranged on the bracket, and the outlet of the medicine reservoir is connected to the inlet of the liquid cavity; a water point head, the outlet of the liquid cavity is connected through an infusion tube; an air pump assembly, the air pump assembly is connected to the inlet of the gas cavity, the gas cavity is provided with a flow regulating valve, the air pump assembly is used to pump air to drive the impeller to rotate; a flow rate regulator is arranged at one end of the infusion tube close to the water point head, and the flow rate regulator is used to control the water point speed.

[0005] A water-dropping device for ophthalmic surgery according to an embodiment of the utility model has at least the following beneficial effects: the valve assembly is arranged to change the liquid flow rate through airflow impact so that the device has better control effect and antibacterial effect; the air pump assembly blows the flowing gas to the impeller; the impeller drives the rotation of the valve core by driving the rotation of the rotating shaft, so that the blades of the valve core rotate, thereby opening the liquid cavity, and allowing the medicine liquid to flow from the medicine storage container to the water-dropping head under the influence of gravity; the flow regulating valve is arranged to facilitate the gas to buffer the impeller, reduce the inertia recovery of the impeller, and prevent the liquid flow rate from being too fast, which may cause damage to the object to be watered; the bracket is arranged to make the entire device integrated and miniaturized, convenient and practical to install, and achieve the effect of saving space and facilitating operation.

[0006] According to some embodiments of the utility model, it also includes a movable arm, which includes a first support rod, a second support rod, a third support rod and a fourth support rod, one end of the first support rod is hinged to the bracket, the other end of the first support rod is hinged to one end of the second support rod, the other end of the second support rod is hinged to one end of the third support rod, the other end of the third support rod is hinged to one end of the fourth support rod, and the other end of the fourth support rod is connected to the water point head, and the universal joint is used to adjust the water point head to a predetermined position. The movable arm is set to provide a sufficiently large activity space for the operation to avoid affecting the surgical operation.

[0007] According to some embodiments of the present invention, the first support rod, the second support rod, the third support rod and the fourth support rod are all hinged through a universal joint to form a universal joint.

[0008] According to some embodiments of the utility model, the air pump assembly includes an extrusion airbag, the material of the extrusion airbag is set to rubber, the extrusion airbag is provided with a one-way air inlet valve and a one-way air outlet valve, the one-way air outlet valve is connected to the gas cavity, the one-way air inlet valve is used for one-way air intake of the extrusion airbag, and the extrusion airbag made of rubber material is convenient for users to squeeze.

[0009] According to some embodiments of the utility model, the air pump assembly also includes a suction cup, which is provided with a connecting portion, the connecting portion being connected to the extrusion airbag, the connecting portion being used to apply force when the air in the suction cup is emptied, and the suction cup is provided to facilitate adhesion and fixation.

[0010] According to some embodiments of the utility model, the water-spraying head is provided with a contoured structure, the water-spraying head is provided with a plurality of water-spraying outlets, the plurality of water-spraying outlets are evenly arranged along the contoured structure, the contoured structure is used to cooperate with the water-spraying part to perform water-spraying, and the contoured structure is arranged according to the curvature of the eye so that it can evenly and quantitatively spray water to the eye at all angles.

[0011] According to some embodiments of the utility model, two support frames are further arranged on the water-pointing head. The support frames are arranged in an arc shape, and the two support frames are connected on both sides of the contoured structure. The support frames are used to support the water-pointing head to avoid the water-pointing head from poking the eyes due to improper position. The support frames are arranged to prevent the water-pointing head from being misplaced and causing inconvenience in surgery.

[0012] According to some embodiments of the utility model, the flow rate regulator is connected to the infusion tube, and the flow rate regulator is used to control the flow rate. The roller and the inclined surface are provided to facilitate the control of the flow rate of the liquid in the infusion tube.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0015] Figure 1 This is a schematic structural diagram of a water-dispensing device for ophthalmic surgery according to an embodiment of the utility model;

[0016] Figure 2 It is a right side view of the structure of the water-dispensing device for ophthalmic surgery according to an embodiment of the utility model;

[0017] Figure 3 for Figure 1 A schematic diagram of the structure of the air pump assembly shown;

[0018] Figure 4 for Figure 3 Explosion of the structure of the air pump assembly shown Figure 1 ;

[0019] Figure 5 for Figure 3 Explosion of the structure of the air pump assembly shown Figure 2 ;

[0020] Figure 6 for Figure 1 The structural schematic diagram of the point water head is shown;

[0021] Figure 7 for Figure 1 The structural schematic diagram of the flow rate regulator is shown;

[0022] Figure 8 for Figure 1 A structural cross-sectional view of an air pump assembly is shown.

[0023] Bracket 100, mounting base 110;

[0024] The valve assembly 200 includes a housing 210, a partition 211, a valve core 220, and an impeller 230;

[0025] Rotating shaft 240, liquid chamber 250, liquid infusion tube 251, gas chamber 260;

[0026] Flow regulating valve 261, elastic member 270, medicine storage container 300;

[0027] A water point head 400, a contour structure 410, a water point outlet 420, and a support frame 430;

[0028] Air pump assembly 500, extrusion air bag 510, one-way air inlet valve 511, one-way air outlet valve 512;

[0029] Suction cup 520, connecting portion 521, flow rate regulator 600, roller 610, inclined surface 620;

[0030] A movable arm 700, a first support rod 710, and a second support rod 720;

[0031] The third support rod 730 and the fourth support rod 740 . DETAILED DESCRIPTION

[0032] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0033] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0034] In the description of the present utility model, the meaning of "several" is one or more, the meaning of "more" is two or more, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0035] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0036] Reference Figures 1 to 8 A water-dispensing device for ophthalmic surgery includes: a bracket 100, a valve assembly 200, a medicine storage container 300, a water-dispensing head 400, an air pump assembly 500 and a flow rate regulator 600. The bracket 100 is provided with a mounting seat 110; the valve assembly 200 includes a housing 210, a valve core 220, an impeller 230 and a rotating shaft 240. The housing 210 is arranged on the mounting seat 110. A partition 211 is arranged in the housing 210. The partition 211 divides the housing 210 into a liquid chamber 250 and a gas chamber 260. The rotating shaft 240 is rotatably connected to the partition 211. The valve core 220 and the impeller 230 are connected to the housing 210. The wheels 230 are connected to the rotating shaft 240, the valve core 220 is accommodated in the liquid cavity 250, the impeller 230 is accommodated in the gas cavity 260, the impeller 230 is used to drive the valve core 220 to rotate, the valve core 220 is used to cut off or open the liquid cavity 250, an elastic member 270 is connected between the rotating shaft 240 and the housing 210, and the elastic member 270 is used to drive the rotating shaft 240 to rotate and then reset; the medicine reservoir 300 is arranged on the bracket 100, and the outlet of the medicine reservoir 300 is connected to the inlet of the liquid cavity 250; the water point head 400 is connected to the outlet of the liquid cavity 250 through the infusion tube 251; the air pump The assembly 500 is connected to the inlet of the gas chamber 260, and the gas chamber 260 is provided with a flow regulating valve 261. The air pump assembly 500 is used to pump air to drive the impeller 230 to rotate; the flow rate regulator 600 is arranged at one end of the infusion tube 251 close to the water point head 400, and the flow rate regulator 600 is used to control the water point speed; the valve assembly 200 is provided to change the liquid flow rate through the impact of the air flow so that the device can have a better control effect and antibacterial effect, and the air pump assembly 500 blows the flowing gas to the impeller 230, and the impeller 230 drives the rotation of the valve core 220 by driving the rotation of the rotating shaft 240. , so that the blades of the valve core 220 rotate, thereby opening the liquid chamber 250, so that the medicine liquid flows from the medicine storage container 300 to the water point head 400 under the influence of gravity. The set flow regulating valve 261 facilitates the gas to buffer the impeller 230, reduces the inertia recovery of the impeller 230, and prevents the liquid flow rate from being too fast, which causes damage to the object to be watered due to the large impact force. The set bracket 100 makes the whole device integrated and miniaturized, convenient and practical to install, saves space and is easy to operate. It should be noted that the partition 211 divides the shell 210 into upper and lower chambers, that is, the gas chamber 260 is arranged above the liquid chamber 250.

[0037] Reference Figure 1, also includes a movable arm 700, the movable arm 700 includes a first support rod 710, a second support rod 720, a third support rod 730 and a fourth support rod 740, one end of the first support rod 710 is hinged to the bracket 100, the other end of the first support rod 710 is hinged to one end of the second support rod 720, the other end of the second support rod 720 is hinged to one end of the third support rod 730, the other end of the third support rod 730 is hinged to one end of the fourth support rod 740, the other end of the fourth support rod 740 is connected to the water point head 400, the universal joint is used to adjust the water point head 400 to a predetermined position, the movable arm 700 is provided to provide a sufficiently large activity space for the operation to avoid affecting the surgical operation. It can be understood that the other end of the fourth support rod 740 is provided with a clamping member to clamp the water point head 400.

[0038] Reference Figure 1 The first support rod 710, the second support rod 720, the third support rod 730 and the fourth support rod 740 are all hinged through universal joints.

[0039] Reference Figure 2 The air pump assembly 500 includes an extrusion airbag 510. The material of the extrusion airbag 510 is set to rubber. The extrusion airbag 510 is provided with a one-way air inlet valve 511 and a one-way air outlet valve 512. The one-way air outlet valve 512 is connected to the gas cavity 260. The one-way air inlet valve 511 is used for one-way air intake of the extrusion airbag 510. The rubber material of the extrusion airbag 510 is convenient for users to squeeze. It can be understood that the material of the extrusion airbag 510 can also be set to silicone.

[0040] In some embodiments, the air pump assembly 500 also includes a suction cup 520, which is provided with a connecting portion 521. The connecting portion 521 is connected to the extrusion airbag 510. The connecting portion 521 is used to apply force when emptying the air in the suction cup 520. The suction cup 520 is convenient for adhesion and fixation. It should be noted that the connecting portion 521 can be arranged below or around the extrusion airbag 510. When the extrusion piece is in the shape of a circular ring, the extrusion piece is arranged in the hole formed in the middle of the circular ring.

[0041] Reference Figure 6 The water-dropping head 400 is provided with a profiling structure 410, and the water-dropping head 400 is provided with a plurality of water-dropping outlets 420. The plurality of water-dropping outlets 420 are evenly arranged along the profiling structure 410. The profiling structure 410 is used to cooperate with the water-dropping part to drop water. The profiling structure is arranged according to the curvature of the eye so that it can drop water evenly and quantitatively at all angles to the eye. It should be noted that the water-dropping outlet 420 can be arranged in a cylindrical shape or a prismatic shape.

[0042] In some embodiments, two support frames 430 are further provided on the water-point head 400. The support frames 430 are arranged in an arc shape. The two support frames 430 are connected to both sides of the profiling structure 410. The support frames 430 are used to support the water-point head 400 to prevent the water-point head 400 from poking the eyes due to improper position. The arranged support frames 430 prevent the water-point head 400 from being misplaced and causing inconvenience in surgery. It should be noted that the inner arcs of the two support frames 430 are arranged relatively to each other, and the so-called two sides of the profiling structure 410 refer to the two side surfaces in the extension direction of the profiling structure 410, and the two side surfaces correspond to the inner arc surfaces of the two support frames 430 respectively.

[0043] Reference Figure 7 The flow rate regulator 600 is connected to the infusion tube 251 and is used to control the flow rate. It should be noted that the flow rate regulator 600 is a conventional setting.

[0044] In some embodiments, it can be understood that the aforementioned connections can all be achieved through hoses.

[0045] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A water-dropping device for ophthalmic surgery, characterized in that: include: The bracket (100) is provided with a mounting seat (110); A valve assembly (200) comprises a housing (210), a valve core (220), an impeller (230) and a rotating shaft (240), wherein the housing (210) is arranged on the mounting seat (110), a partition (211) is arranged in the housing (210), the partition (211) divides the housing (210) into a liquid chamber (250) and a gas chamber (260), the rotating shaft (240) is rotatably connected to the partition (211), and the valve core (220) and the impeller (230) are both connected to the housing (210). The valve core (220) is connected to the rotating shaft (240), and is accommodated in the liquid chamber (250). The impeller (230) is accommodated in the gas chamber (260). The impeller (230) is used to drive the valve core (220) to rotate, and the valve core (220) is used to cut off or open the liquid chamber (250). An elastic member (270) is connected between the rotating shaft (240) and the housing (210), and the elastic member (270) is used to drive the rotating shaft (240) to rotate and then reset. A medicine reservoir (300) is disposed on the support (100), and an outlet of the medicine reservoir (300) is connected to an inlet of the liquid chamber (250); A water point (400) is connected to the outlet of the liquid chamber (250) through a liquid infusion tube (251); an air pump assembly (500), the air pump assembly (500) being connected to the inlet of the gas chamber (260), the gas chamber (260) being provided with a flow regulating valve (261), and the air pump assembly (500) being used to pump air to drive the impeller (230) to rotate; A flow rate regulator (600) is arranged at one end of the liquid infusion tube (251) close to the water point head (400), and the flow rate regulator (600) is used to control the water point speed.

2. The water-dropping device for ophthalmic surgery according to claim 1, characterized in that: The movable arm (700) further comprises a first support rod (710), a second support rod (720), a third support rod (730) and a fourth support rod (740), one end of the first support rod (710) being hinged to the bracket (100), the other end of the first support rod (710) being hinged to one end of the second support rod (720), and the other end of the second support rod (720) being hinged to one end of the third support rod (730). The other end of the third support rod (730) is hinged to one end of the fourth support rod (740), and the other end of the fourth support rod (740) is connected to the water point head (400).

3. The water-dropping device for ophthalmic surgery according to claim 2, characterized in that: The first support rod (710), the second support rod (720), the third support rod (730) and the fourth support rod (740) are all hinged via a universal joint.

4. The water-dispensing device for ophthalmic surgery according to claim 1, characterized in that: The air pump assembly (500) comprises an extrusion airbag (510), the material of the extrusion airbag (510) being set to be rubber, the extrusion airbag (510) being provided with a one-way air inlet valve (511) and a one-way air outlet valve (512), the one-way air outlet valve (512) being connected to the gas cavity (260), and the one-way air inlet valve (511) being used for one-way air intake of the air pump assembly (500).

5. The water-dispensing device for ophthalmic surgery according to claim 4, characterized in that: The air pump assembly (500) further comprises a suction cup (520), wherein the suction cup (520) is provided with a connecting portion (521), wherein the connecting portion (521) is connected to the extrusion airbag (510), and wherein the connecting portion (521) is used to apply force when the air in the suction cup (520) is emptied.

6. The water-dropping device for ophthalmic surgery according to claim 1, characterized in that: The water point head (400) is provided with a contoured structure (410), and the water point head (400) is provided with a plurality of water point openings (420). The plurality of water point openings (420) are evenly arranged along the contoured structure (410), and the contoured structure (410) is used to cooperate with the water point location to perform water point.

7. The water-dropping device for ophthalmic surgery according to claim 6, characterized in that: The water point head (400) is also provided with two support frames (430), the support frames (430) are arranged in an arc shape, the two support frames (430) are connected to both sides of the contoured structure (410), and the support frames (430) are used to support the water point head (400).

8. The water-dispensing device for ophthalmic surgery according to claim 1, characterized in that: The flow rate regulator (600) is connected to the infusion tube (251), and the flow rate regulator (600) is used to control the flow rate.

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