Anterior chamber pressure stabilizing system in cataract surgery
By designing the anterior chamber pressure stabilization system during cataract surgery, using the perfusion pressure stabilization mechanism and the perfusion fluid delivery structure, the problem of anterior chamber pressure in the operation is solved, and the fluid flow stability and cost reduction during the operation is achieved.
Patent Information
- Application Number
- CN202510243999.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2025-05-09
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
In cataract surgery, especially when accompanied by high myopia, glaucoma or trauma, the anterior chamber pressure is unstable, resulting in unstable fluid flow, increasing the difficulty of the surgery, and complications such as crystal nucleus sinking or intraoperative bleeding may occur. The prior art requires handheld infusion bottles and adjusting the drop nozzle position, which is costly and increases patient medical costs.
A cataract pressure stabilization system is designed, including a perfusion pressure stabilization guard mechanism, a perfusion orientation adjuster and a perfusion fluid delivery structure. Fixed to the eye socket frame and elastic band to the eye socket, the support frame is hovered and filled with friction between the rubber ball and the hemispherical groove, combining the servo pump and the control motherboard to achieve automatic delivery of the pressure-stabilizing solution.
The continuous stability of the anterior chamber pressure during cataract surgery is achieved, which reduces the difficulty of surgery, reduces the risk of bleeding and other complications, avoids inconvenience of handheld operation, and reduces medical costs.
Smart Images
Figure CN119950176A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of ophthalmic surgical auxiliary instruments, and in particular to an anterior chamber pressure stabilization system during cataract surgery. Background Art
[0002] During cataract surgery, when combined with complex conditions such as high myopia, glaucoma, and trauma, the anterior chamber is often unstable, causing unstable fluid flow during surgery, increasing the difficulty of surgery, and even complications such as lens nucleus sinking or intraoperative bleeding. However, at present, the height of the perfusion bottle needs to be maintained by hand by perfusing the eyeball with a pressure-stabilizing solution, and the position between the nozzle and the eyeball also needs to be stabilized by hand. Secondly, the perfusion pipeline in the vitrectomy kit is currently expensive, increasing the patient's medical expenses. Therefore, those skilled in the art once again proposed a system for stabilizing the anterior chamber pressure during cataract surgery. Summary of the invention
[0003] In view of the above background technology, it is proposed that there is a defect in an anterior chamber pressure stabilization system X during cataract surgery, and thus a technical solution content of an anterior chamber pressure stabilization system during cataract surgery is provided.
[0004] It includes a perfusion and pressure-stabilizing goggles mechanism, wherein the front areas of the left and right side walls of the perfusion and pressure-stabilizing goggles mechanism are fixedly connected with perfusion position adjusting members, the front ends of the perfusion position adjusting members are fixedly connected with perfusion support frames, and the rear areas of the left and right side walls of the perfusion and pressure-stabilizing goggles mechanism are fixedly connected with perfusion liquid conveying structures; Specific instructions for use: Cover the goggles frame over the patient's eye socket so that the rear end face of the goggles frame contacts the facial tissue, then wrap the two elastic bands around the back of the head so that the male buckle and the female buckle are locked together. Since the goggles frame is located -cm in front of the eye, the drop nozzle is in front of the eyeball, and the rubber ball is rotated inside the hemispherical groove. The friction between the cavity and the rubber ball allows the perfusion support frame to hover at a suitable distance from the eyeball. Then, the control motherboard controls the servo pump to extract the pressure-stabilizing solution from the perfusion liquid storage tank at a suitable rate, and delivers the extracted pressure-stabilizing solution to the surface of the eyeball through the infusion pipeline, thereby achieving the continuous anterior chamber pressure stabilization required during the operation.
[0005] The perfusion and voltage-stabilizing goggles mechanism comprises a goggles frame, two elastic bands fixed to two ends of the rear side of the goggles frame, and a male buckle and a female buckle respectively fixed to the ends of the elastic bands; side convex blocks are fixedly connected to the left and right side walls of the goggles frame; The perfusion support frame includes an arc-shaped bar, two support rods fixed on the inner cavity side wall of the arc-shaped bar in an annular array, and a sleeve fixedly connected to the inner end of the support rod, and a drip nozzle fixedly connected in the inner cavity of the sleeve; The pouring position adjusting member comprises a proximal seat, a hemispherical groove fixed at the front end of the proximal seat, a rubber ball movably arranged in the inner cavity of the hemispherical groove, and a connecting rod connected to the rubber ball on the outer surface of the hemispherical groove; The perfusion liquid delivery structure includes a shell, a perfusion liquid storage tank fixed in the inner cavity of the shell, and a servo pump fixedly connected to the side wall of the inner cavity of the shell, and a control mainboard is fixedly connected to the bottom surface of the inner cavity of the shell, and a discharge port of the servo pump is connected to an infusion pipeline that runs through the outside of the shell, and one end of the infusion pipeline located outside the shell is connected to the liquid inlet port of the drip nozzle.
[0006] In the above-mentioned technical solution of the anterior chamber pressure stabilization system during cataract surgery, preferably: an opening is provided on the front end face of the goggles frame, and the rear end face of the goggles frame has a curved surface coupled with the human eye socket, and a notch is provided on the rear end of the goggles frame for the front end of the elastic band to pass through and be tied.
[0007] In the above-mentioned technical solution of the anterior chamber pressure stabilization system during cataract surgery, preferably: side protrusions are fixedly connected to the left and right side walls of the goggles frame, and the front end faces of the side protrusions are fixedly connected to the rear end faces of the proximal seat, and the rear end faces of the side protrusions are fixedly connected to the front end faces of the outer shell.
[0008] In the above-mentioned technical solution of the anterior chamber pressure stabilization system during cataract surgery, preferably: the arc strip as a whole is in the shape of an arc of 1 / 4 circle, the arc strips are arranged in left-right mirror symmetry with the central axis of the goggles frame as the reference line, the ends of the arc strips away from each other are fixedly connected with a fixing plate, and the end face of the fixing plate away from the arc strip is fixedly connected to the end of the perfusion orientation adjusting member.
[0009] In the above-mentioned technical solution of the anterior chamber pressure stabilization system during cataract surgery, preferably: the front end of the drop nozzle has an injection connector connected to the end of the infusion pipeline, and the rear end port of the drop nozzle faces the eyeball and has a distance of 1-2 cm from the eyeball.
[0010] In the above-mentioned technical solution of the anterior chamber pressure stabilization system during cataract surgery, preferably: a cavity is opened inside the hemispherical groove for the rubber ball to roll on, the rubber ball is stretched and tightened inside the cavity as a whole, and a plurality of grooves are opened on the inner side wall of the cavity to increase the contact friction with the rubber ball.
[0011] In the above-mentioned technical solution of the anterior chamber pressure stabilization system during cataract surgery, preferably: an end seat is fixedly connected to the end of the connecting rod away from the rubber ball, and the end face of the end seat away from the connecting rod is fixedly connected to the fixing plate on the arc strip.
[0012] In the above-mentioned technical solution of the anterior chamber pressure stabilization system during cataract surgery, preferably: an end cover is snap-connected to the top port of the shell by a buckle, and a lithium battery is installed on the front side wall of the inner cavity of the shell.
[0013] In the above-mentioned technical solution of the anterior chamber pressure stabilization system during cataract surgery, preferably: the bottom surface of the perfusion liquid storage tank is fixedly connected with a liquid outlet nozzle, the liquid inlet port of the servo pump is fixedly connected to the liquid outlet nozzle, and the top surface of the perfusion liquid storage tank is provided with a liquid inlet for replenishing the solution.
[0014] In the above-mentioned technical solution of the anterior chamber pressure stabilization system during cataract surgery, preferably: a through hole for an infusion pipeline to pass through is provided on the end face of the shell away from the goggles frame, and a sealing ring is provided inside the through hole.
[0015] It can be seen from the above technical solutions that the present invention provides a system for stabilizing anterior chamber pressure during cataract surgery. Compared with the prior art, the present invention has the following beneficial effects: In the technical solution of the present invention, the perfusion structure is supported by a perfusion and pressure-stabilizing goggles mechanism as a frame, so that the drip nozzle for perfusing the pressure-stabilizing liquid into the eyeball can be maintained at a suitable height, thereby solving the problem of needing to hold the drip nozzle in hand, and a perfusion direction adjusting member with a damping and hovering capability is provided between the frame and the drip nozzle, so that the drip nozzle can be adjusted to different directions, and the eyeball can be perfused and pressure-stabilized at different angles, and the perfusion liquid delivery structure controls the perfusion speed by controlling the servo pump by controlling the mainboard, thereby controlling the amount of the perfused solution. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces and describes the drawings required for use in the embodiments of the present invention or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0017] Figure 1 This is a schematic diagram of the overall structure of the intraoperative anterior chamber pressure stabilization system; Figure 2 It is a schematic diagram of the perfusion stabilizing goggles mechanism; Figure 3 is a schematic diagram of a perfusion support frame; Figure 4It is a schematic diagram of the perfusion position adjustment member; Figure 5 Schematic diagram of the perfusion liquid delivery structure.
[0018] Attached Figure 1 -Attached Figure 5 The corresponding relationship of the parts is as follows: 1. Infusion voltage-stabilizing goggles mechanism; 11. Goggles frame; 12. Side protrusions; 13. Opening; 14. Elastic band; 15. Male buckle; 16. Female buckle; 2. Infusion support frame; 21. Arc strip; 22. Drip nozzle; 23. Support rod; 24. Sleeve; 3. Infusion azimuth adjustment member; 31. Proximal seat; 32. Fixed column; 33. Hemispherical groove; 34. Cavity; 35. End seat; 36. Connecting rod; 37. Rubber ball; 4. Infusion liquid delivery structure; 41. Shell; 42. End cover; 43. Servo pump; 44. Infusion liquid storage tank; 45. Control main board; 46. Lithium battery; 47. Infusion pipeline. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0020] In order to more clearly explain and illustrate the technical solution and implementation of the present invention, preferred specific embodiments for implementing the technical solution of the present invention are introduced below.
[0021] Embodiment: A preferred technical solution for anterior chamber pressure stabilization system during cataract surgery: Refer to the instruction manual Figure 1 As shown: it includes a perfusion and pressure-stabilizing goggles mechanism 1, the front areas of the left and right side walls of the perfusion and pressure-stabilizing goggles mechanism 1 are fixedly connected with perfusion position adjusting members 3, the front ends of the perfusion position adjusting members 3 are fixedly connected with perfusion support frames 2, and the rear areas of the left and right side walls of the perfusion and pressure-stabilizing goggles mechanism 1 are fixedly connected with perfusion liquid conveying structures 4; Refer to the instruction manual Figure 2 As shown: the perfusion stabilizing goggles mechanism 1 comprises a goggles frame 11, two elastic bands 14 fixed to the two ends of the rear side of the goggles frame 11, and a male buckle 15 and a female buckle 16 respectively fixed to the ends of the elastic bands 14; side protrusions 12 are fixedly connected to the left and right side walls of the goggles frame 11; Refer to the instruction manual Figure 3As shown: the perfusion support frame 2 includes an arc-shaped bar 21, two support rods 23 fixed on the inner cavity side wall of the arc-shaped bar 21 in a circular array, and a sleeve 24 fixedly connected to the inner end of the support rod 23, and a drip nozzle 22 is fixedly connected to the inner cavity of the sleeve 24; Refer to the instruction manual Figure 4 As shown: the pouring position adjusting member 3 includes a proximal seat 31, a hemispherical groove 33 fixed to the front end of the proximal seat 31, a rubber ball 37 movably arranged in the inner cavity of the hemispherical groove 33, and a connecting rod 36 connected to the rubber ball 37 located on the outer surface of the hemispherical groove 33; Refer to the instruction manual Figure 5 As shown: the perfusion liquid delivery structure 4 includes a shell 41, a perfusion liquid storage tank 44 fixed in the inner cavity of the shell 41, and a servo pump 43 fixedly connected to the side wall of the inner cavity of the shell 41, and a control mainboard 45 is fixedly connected to the bottom surface of the inner cavity of the shell 41, and the discharge port of the servo pump 43 is connected to a liquid infusion pipeline 47 that penetrates to the outside of the shell 41, and one end of the liquid infusion pipeline 47 located outside the shell 41 is connected to the liquid inlet port of the drip nozzle 22.
[0022] Refer to the instruction manual Figure 2 As shown: an opening 13 is provided on the front end face of the goggles frame 11, and the rear end face of the goggles frame 11 has a curved surface coupled with the human eye socket, and the rear end of the goggles frame 11 is provided with a notch for the front end of the elastic band 14 to pass through and be tied, and side protrusions 12 are fixedly connected to the left and right side walls of the goggles frame 11, and the front end face of the side protrusion 12 is fixedly connected to the rear end face of the proximal seat 31, and the rear end face of the side protrusion 12 is fixedly connected to the front end face of the shell 41.
[0023] Refer to the instruction manual Figure 3 As shown: the arc strip 21 is in the shape of a 1 / 4 circular arc as a whole, and the arc strips 21 are arranged in a left-right mirror symmetry with the central axis of the goggles frame 11 as the reference line, and the ends of the arc strips 21 that are away from each other are fixedly connected with a fixing plate, and the end surface of the fixing plate that is away from the arc strip 21 is fixedly connected to the end of the injection direction adjusting member 3; the front end of the drip nozzle 22 has an injection joint connected to the end of the infusion pipeline 47, and the rear end port of the drip nozzle 22 faces the eyeball and has a distance of 1-2 cm from the eyeball.
[0024] Refer to the instruction manual Figure 4As shown: a cavity 34 is provided inside the hemispherical groove 33 for the rolling movement of the rubber ball 37, and the rubber ball 37 is stretched and tightened inside the cavity 34 as a whole. A plurality of grooves are provided on the inner side wall of the cavity 34 for increasing the contact friction with the rubber ball 37; an end seat 35 is fixedly connected to the end of the connecting rod 36 away from the rubber ball 37, and the end face of the end seat 35 away from the connecting rod 36 is fixedly connected to the fixing plate on the arc strip 21.
[0025] Refer to the instruction manual Figure 5 As shown: an end cover 42 is snap-fitted to the top port of the shell 41, a lithium battery 46 is installed on the front side wall of the inner cavity of the shell 41, a liquid outlet nozzle is fixedly connected to the bottom surface of the perfusion liquid storage tank 44, a liquid inlet port of the servo pump 43 is fixedly connected to the liquid outlet nozzle, a liquid inlet port for replenishing the solution is provided on the top surface of the perfusion liquid storage tank 44, a through hole for a liquid infusion pipe 47 to pass through is provided on the end surface of the side of the shell 41 away from the goggles frame 11, and a sealing ring is provided inside the through hole.
[0026] According to the above-mentioned preferred technical solution, the workflow of the technical solution is described as follows: The goggles frame 11 is covered on the patient's eye socket so that the rear end face of the goggles frame 11 contacts the facial tissue, and then the two elastic bands 14 are wrapped around the back of the head so that the male buckle 15 and the female buckle 16 are locked together. Since the goggles frame 11 is located 2-4 cm in front of the eye, the drop nozzle 22 is in front of the eyeball. By allowing the rubber ball 37 to rotate inside the hemispherical groove 33, the friction between the cavity 34 and the rubber ball 37 allows the perfusion support frame 2 to hover at a suitable distance from the eyeball. Then, the control main board 45 controls the servo pump 43 to extract the pressure-stabilizing solution inside the perfusion liquid storage tank 44 at a suitable rate, and the extracted pressure-stabilizing solution is transported to the surface of the eyeball through the infusion pipe 47, so as to achieve the stabilization of the anterior chamber pressure required to be continuous during the operation.
[0027] The present invention is not limited to the above-mentioned optimal implementation mode. Anyone should be aware that any structural changes made under the inspiration of the present invention, and any technical solutions that are the same or similar to the present invention, fall within the protection scope of the present invention. Finally, it should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the restrictive conditions that can be implemented in this application, so they have no technical substantive significance. Any structural modification, change in proportional relationship or adjustment of size, without affecting the effects that can be produced by this application and the purposes that can be achieved, should still fall within the scope that can be covered by the technical content disclosed in this application.
Claims
1. A system for stabilizing anterior chamber pressure during cataract surgery, comprising a perfusion stabilizing goggles mechanism (1), characterized in that: The front areas of the left and right side walls of the perfusion and pressure-stabilizing goggles mechanism (1) are both fixedly connected to perfusion position adjusting members (3), the front ends of the perfusion position adjusting members (3) are both fixedly connected to perfusion support frames (2), and the rear areas of the left and right side walls of the perfusion and pressure-stabilizing goggles mechanism (1) are both fixedly connected to perfusion liquid conveying structures (4); The perfusion and voltage-stabilizing goggles mechanism (1) comprises a goggles frame (11), two elastic bands (14) fixed to two ends of the rear side of the goggles frame (11), and a male buckle (15) and a female buckle (16) respectively fixed to the ends of the elastic bands (14); side protrusions (12) are fixedly connected to the left and right side walls of the goggles frame (11); The perfusion support frame (2) comprises an arc-shaped bar (21), two support rods (23) fixed in an annular array on the inner cavity side wall of the arc-shaped bar (21), and a sleeve (24) fixedly connected to the inner end of the support rod (23), wherein a drip nozzle (22) is fixedly connected in the inner cavity of the sleeve (24); The perfusion orientation adjusting member (3) comprises a proximal seat (31), a hemispherical groove (33) fixed to the front end of the proximal seat (31), a rubber ball (37) movably arranged in the inner cavity of the hemispherical groove (33), and a connecting rod (36) connected to the rubber ball (37) and located on the outer surface of the hemispherical groove (33); The perfusion liquid delivery structure (4) comprises a housing (41), a perfusion liquid storage tank (44) fixed in the inner cavity of the housing (41), and a servo pump (43) fixedly connected to the side wall of the inner cavity of the housing (41), and a control mainboard (45) is fixedly connected to the bottom surface of the inner cavity of the housing (41), a liquid discharge port of the servo pump (43) is connected to a liquid infusion pipeline (47) extending through the outside of the housing (41), and one end of the liquid infusion pipeline (47) located outside the housing (41) is connected to a liquid inlet port of a liquid drop nozzle (22).
2. The anterior chamber pressure stabilization system during cataract surgery according to claim 1, characterized in that: An opening (13) is provided on the front end surface of the goggles frame (11), and a rear end surface of the goggles frame (11) has a curved surface coupled with the eye socket of a human body, and a notch is provided on the rear end of the goggles frame (11) for the front end of the elastic band (14) to pass through and be tied.
3. The anterior chamber pressure stabilization system during cataract surgery according to claim 1, characterized in that: Side protrusions (12) are fixedly connected to the left and right side walls of the goggle frame (11), and the front end surface of the side protrusion (12) is fixedly connected to the rear end surface of the proximal seat (31), and the rear end surface of the side protrusion (12) is fixedly connected to the front end surface of the housing (41).
4. The anterior chamber pressure stabilization system during cataract surgery according to claim 1, characterized in that: The arc strips (21) are in the shape of a quarter-circle arc as a whole, and are arranged in a left-right mirror-image symmetry with the central axis of the goggles frame (11) as a reference line. The ends of the arc strips (21) that are away from each other are fixedly connected to a fixing plate, and the end surface of the fixing plate that is away from the arc strips (21) is fixedly connected to the end of the injection orientation adjusting member (3).
5. The anterior chamber pressure stabilization system during cataract surgery according to claim 1, characterized in that: The front end of the drip nozzle (22) has a liquid injection joint connected to the end of the liquid infusion pipeline (47), and the rear end port of the drip nozzle (22) faces the eyeball and has a distance of 1-2 cm from the eyeball.
6. The anterior chamber pressure stabilization system during cataract surgery according to claim 1, characterized in that: A cavity (34) for the rolling movement of the rubber ball (37) is provided inside the hemispherical groove (33), the rubber ball (37) is integrally stretched and tightened inside the cavity (34), and a plurality of grooves for increasing the contact friction force with the rubber ball (37) are provided on the inner side wall of the cavity (34).
7. The anterior chamber pressure stabilization system during cataract surgery according to claim 1, characterized in that: An end seat (35) is fixedly connected to an end of the connecting rod (36) away from the rubber ball (37), and an end surface of the end seat (35) away from the connecting rod (36) is fixedly connected to a fixing plate on the arc strip (21).
8. The anterior chamber pressure stabilization system during cataract surgery according to claim 1, characterized in that: An end cover (42) is snap-fitted to the top port of the housing (41) via a buckle, and a lithium battery (46) is mounted on the front side wall of the inner cavity of the housing (41).
9. The anterior chamber pressure stabilization system during cataract surgery according to claim 1, characterized in that: The bottom surface of the perfusion liquid storage tank (44) is fixedly connected to a liquid outlet nozzle, the liquid inlet port of the servo pump (43) is fixedly connected to the liquid outlet nozzle, and the top surface of the perfusion liquid storage tank (44) is provided with a liquid inlet for replenishing the solution.
10. The anterior chamber pressure stabilization system during cataract surgery according to claim 1, characterized in that: A through hole for a liquid infusion pipe (47) to pass through is provided on an end surface of the housing (41) at one side away from the goggle frame (11), and a sealing ring is provided inside the through hole.