CN214049699U - Portable lacrimal passage irrigator - Google Patents
Portable lacrimal passage irrigator Download PDFInfo
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- CN214049699U CN214049699U CN202022657595.1U CN202022657595U CN214049699U CN 214049699 U CN214049699 U CN 214049699U CN 202022657595 U CN202022657595 U CN 202022657595U CN 214049699 U CN214049699 U CN 214049699U
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Abstract
The utility model relates to a portable lacrimal passage flusher, which comprises a handle part, an injection part and a transparent liquid storage part, wherein the injection part is arranged at the front end of the handle part, the injection part is provided with scale values, and the liquid storage part is arranged at the rear end of the handle part; the handle part is internally provided with: the liquid pumping system is connected with the liquid storage part and the injection part, flushing liquid in the liquid storage part is pumped and circulated to the injection part through the liquid pumping system, and then the flushing liquid flows out from the injection part to flush the lacrimal passage; the control switch is connected with the liquid pumping system and drives the liquid pumping system to operate or close through the on-off of the control switch; the flow rate control system is arranged between the liquid pumping system and the injection part and used for adjusting the flow rate of the flushing liquid flowing to the injection part; and the power supply system is used for supplying electric quantity to the liquid pumping system, the control circuit system and the flow rate control system. The portable lacrimal passage irrigator provided by the technical scheme can effectively solve the problems that the current lacrimal passage irrigator is easy to cause iatrogenic injury, the implantation length of the irrigation needle is difficult to judge, and the operation steps are complicated and troublesome to use.
Description
Technical Field
The utility model relates to a tear way washes technical field, concretely relates to portable tear way flusher.
Background
The lacrimal passage irrigation is a conventional operation in ophthalmology, and is suitable for preoperative treatment and postoperative drug replacement of all ophthalmologic patients and diagnosis and treatment of lacrimal passage disease patients. Lacrimal passage irrigation is an operation technique for dredging different steric plugs by injecting liquid into lacrimal passages, and can be used as a diagnosis technique and a treatment method. The lacrimal passage irrigation needs to use a special lacrimal passage irrigator to enter the lacrimal canaliculus from the lacrimal punctum, and 0.9% sodium chloride solution or medicine is injected to irrigate the lacrimal passage so as to achieve the purposes of diagnosis and treatment. When the puncture needle is used, the needle head is vertically inserted into a punctum with the depth of about 1.5-2.0 mm, and then is rotated by 90 degrees, so that the needle point faces to the nasal side, namely the long axis of the needle head is parallel to the eyelid margin. The needle tip advances slowly along the lacrimal canaliculus, and can advance 5-6 mm if no resistance exists; the liquid is injected into the tube with uniform and proper force.
The lacrimal passage flusher used clinically at present comprises a lacrimal passage flushing needle and an injector, wherein a common direct insertion type interface is arranged between the lacrimal passage flushing needle and the injector, other fastening measures are not provided, the bearing pressure is limited, the flushing needle which is separated under the pressure action is easy to cause serious iatrogenic injuries, such as tear punctum laceration, eyelid edema, chocking cough and suffocation, corneal scratch and other complications, and infection risks are brought to patients and operators. The lacrimal passage is cleaned in preoperative examination of diseases such as lacrimal passage blockage and dacryocystitis and ophthalmic surgery such as cataract. However, clinical practice lacks professional lacrimal passage flushing devices, most of which adopt a disposable flushing needle to replace a syringe needle to be connected with a 5mL syringe nipple, and the flushing process has the following defects:
(1) the flushing effect is affected due to insufficient flushing pressure in the flushing process, the flushing pressure is too high, and the flushing needle head is separated from the injector, so that iatrogenic injury is easily caused; (2) because of the special anatomical structure of the lacrimal passage, the existing flushing needle has no scale, the length of the flushing needle entering the lacrimal passage can be judged only by experience, and cannot be visually observed, and patients are easy to have adverse reactions such as pain, bleeding, formation of false lacrimal passage and the like; (3) the preparation of articles needs to open the syringe, connect the irrigation needle, suck the irrigation fluid, use the punctum expander and the like when necessary, the steps are complicated, the chance of hospital infection is increased, and the nursing work efficiency is influenced.
Therefore, it is necessary to design a new technical solution to comprehensively solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a portable lacrimal passage flusher can effectively solve current lacrimal passage flushing device and easily cause iatrogenic nature damage, wash syringe needle and put into length and be difficult to judge and the loaded down with trivial details use trouble problem of operating procedure.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a portable lacrimal passage flusher comprises a handle part, an injection part and a transparent liquid storage part, wherein the injection part is detachably arranged at the front end of the handle part, the injection part is provided with a scale value for determining the depth of needle insertion, flushing liquid for flushing the lacrimal passage is filled in the liquid storage part, and the liquid storage part is detachably arranged at the rear end of the handle part; the handle part is internally provided with:
the liquid pumping system is connected with the liquid storage part and the injection part, flushing liquid in the liquid storage part is pumped and circulated to the injection part through the liquid pumping system, and then the flushing liquid flows out of the injection part to flush the lacrimal passage;
the control switch is connected with the liquid pumping system and drives the liquid pumping system to operate or close through the on-off of the control switch;
the flow rate control system is arranged between the liquid extracting system and the injection part and used for adjusting the flow rate of the flushing liquid flowing to the injection part;
and the power supply system is used for supplying electric quantity to the liquid pumping system, the control circuit system and the flow rate control system.
Further, the liquid pumping system comprises a liquid inlet pipe, a motor, a connecting rod, a liquid exchange box and a liquid outlet pipe, wherein one end of the liquid inlet pipe is connected with the liquid storage part, the other end of the liquid inlet pipe is connected with one side of the liquid exchange box, the other side of the liquid exchange box is connected with one end of the liquid outlet pipe, and the other end of the liquid outlet pipe is connected with the injection part; a liquid inlet cover plate is rotatably arranged at the joint of the liquid inlet pipe and the liquid exchange tank, and a liquid outlet cover plate is rotatably arranged at the joint of the liquid outlet pipe and the liquid exchange tank; a piston is arranged in the exchange liquid box below the liquid inlet cover plate and the liquid outlet cover plate and is connected with a connecting rod, and a motor drives the connecting rod to move along the axial direction of the connecting rod through an eccentric gear and drives the piston to move up and down in the exchange liquid box to drive the liquid inlet cover plate or the liquid outlet cover plate to be opened or closed; the motor is connected with a power supply system through a control switch.
Furthermore, a rotating shaft is arranged on the inner wall of the exchange liquid box below the pipe orifice of the liquid inlet pipe, the lower end of the liquid inlet cover plate is connected with the exchange liquid box through the rotating shaft, the liquid inlet cover plate rotates around the rotating shaft within the range of 0-120 degrees, and the angle of the liquid inlet cover plate is 0 degree when the pipe orifice of the liquid inlet pipe is blocked; the liquid exchange box is characterized in that a rotating shaft is arranged on the inner wall of the liquid exchange box above the pipe orifice of the liquid outlet pipe, the upper end of the liquid outlet cover plate is connected with the liquid exchange box through the rotating shaft, the liquid outlet cover plate rotates within the range of 0-180 degrees around the rotating shaft, and the liquid outlet cover plate blocks the pipe orifice of the liquid outlet pipe by 0 degree.
Furthermore, a section of flexible pipe for shock absorption is arranged at the connecting end of the liquid outlet pipe and the injection part, and flushing liquid flows into the injection part through the flexible pipe; the liquid inlet pipe is connected with the liquid storage device, a funnel-shaped liquid suction port is arranged at the end, connected with the liquid storage device, of the liquid inlet pipe, and the large end of the funnel-shaped liquid suction port is located in the liquid storage device.
Further, the flow rate control system comprises an adjusting knob and an adjusting valve, the adjusting valve is arranged on the liquid outlet pipe, and the adjusting knob is arranged on the adjusting valve to control the size of the adjusting valve.
Furthermore, the control switch comprises a button switch for controlling the on-off of the liquid pumping system and an LED lamp for displaying the on-off state of the liquid pumping system, the button switch is arranged on the outer wall of the handle part, and the output end of the power supply system returns to the input end of the power supply system through the button switch and the LED lamp in sequence to form an LED lamp loop; the output end of the power supply system returns to the input end of the power supply system through the button switch and the motor in sequence to form a motor loop.
Furthermore, the power supply system is a battery, a clamping groove for accommodating the battery is arranged in the handle part, and the battery is electrically connected in the clamping groove.
Further, the injection part is screwed at the front end of the handle part through threads, the injection part comprises a connecting cap, a transition pipe and an injection pipe which are arranged along the same axis, the transition pipe and the handle part are positioned on the same axis, the injection pipe is obliquely arranged towards the end far away from the handle part, and an included angle of 120-150 degrees is formed between the injection pipe and the transition pipe; the scale value is arranged on the injection tube and arranged along the length direction of the injection tube.
Furthermore, the liquid storage part is a round platform-shaped liquid storage device, the small head end of the liquid storage device is screwed to the rear end of the handle part through threads, and scales for indicating the amount of the washing liquid are arranged on the outer wall of the liquid storage device.
According to the portable lacrimal passage flusher provided by the technical scheme, the injection part is detachably arranged at the front end of the handle part, the injection part is also provided with a scale value for confirming the needle insertion depth, and the liquid storage part filled with flushing liquid is detachably arranged at the rear end of the handle part to provide the flushing liquid for the injection part; a liquid pumping system and a control switch are arranged in the handle part, the control switch is connected with a power supply device to control the on-off of the liquid pumping system, flushing liquid in the liquid storage part is pumped to the injection part by the liquid pumping system, and the flushing liquid enters the lacrimal passage of a patient from the injection part for flushing; meanwhile, a flow rate control system is also arranged, so that the flow rate of the flushing liquid can be adjusted conveniently according to the eye condition of the patient. The utility model discloses a portable lacrimal passage flusher can effectively solve the use trouble that current lacrimal passage flushing device exists, is difficult to control and washes the problem that the needle put into the degree of depth.
The utility model discloses a drawing liquid system includes the feed liquor pipe, including a motor, an end cap, a controller, and a cover plate, a connecting rod, exchange liquid case and drain pipe, feed liquor pipe one end links to each other with the liquid storage portion, the exchange liquid case is connected to the other end, drain pipe one end links to each other with the exchange liquid case, the other end is connected injection portion, be equipped with the piston in the exchange liquid case, the piston links to each other with the connecting rod, the motor drives connecting rod along its axial motion through eccentric gear, the drive piston reciprocates in the exchange liquid case, because set up feed liquor apron and liquid outlet cover in the department of meeting with feed liquor pipe and drain pipe in the exchange liquid case, the reciprocating of piston drives the opening or closing of feed liquor apron or liquid outlet cover, in addition because the rotation direction of feed liquor cover and liquid outlet cover is opposite, when the piston moves down under the connecting rod effect, the drain pipe mouth of pipe is closed, the feed liquor pipe mouth of pipe is opened, the feed liquor pipe begins the feed liquor; when the piston moves upwards under the action of the connecting rod, the pipe orifice of the liquid outlet pipe is opened, the pipe orifice of the liquid inlet pipe is closed, and flushing liquid enters the injection part through the liquid outlet pipe; the structure can ensure that the motor drives the process to be circularly carried out when the motor works continuously, and flushing liquid can be discharged from the injection part continuously, so that the effect of continuous liquid supply is achieved.
In addition, the lower end of the liquid inlet cover plate is rotatably connected with the liquid exchange box, the movable angle of the liquid inlet cover plate is set to be 0-120 degrees, namely when the liquid inlet cover plate rotates downwards to the limit, a 60-degree included angle is formed between the liquid inlet cover plate and the side wall of the liquid exchange box, so that the liquid inlet cover plate is convenient to close when the piston moves upwards; the upper end of the liquid outlet cover plate is rotatably connected with the liquid exchange box, the movable angle of the liquid outlet cover plate is set to be 0-180 degrees, and the upper end of the liquid outlet cover plate is connected with the rotating shaft, so that the liquid outlet cover plate has a downward trend under the action of gravity, and the liquid outlet pipe opening is closed. The quick switching of the on-off state of the liquid inlet pipe and the liquid outlet pipe can be ensured by the arrangement of the structure, and the liquid inlet efficiency and the liquid outlet efficiency are improved.
The utility model is provided with a section of hose at the connecting end of the liquid outlet pipe and the injection part, because the liquid pumping system and the flow velocity control system can generate vibration during working, the hose can play a role in slowing down the transmission of the vibration generated by the liquid pumping system and the injection part to the injection part, thereby being convenient for stabilizing the injection part and reducing the iatrogenic damage caused by unstable vibration; in addition, the funnel-shaped liquid suction port arranged at the end where the liquid inlet pipe is connected with the liquid storage part can enable the flushing liquid in the liquid storage part to be fully sucked, and the utilization degree of the flushing liquid is improved.
The utility model discloses a flow rate control system includes adjust knob and governing valve, because the governing valve sets up on the drain pipe in inside, the outside regulation of being not convenient for, consequently sets up adjust knob and controls the governing valve, can improve the convenient degree of flow rate control on the one hand, and on the other hand, the knob is adjusted more accurately and conveniently.
The utility model discloses a control switch adopts the switch circuit including the LED lamp, and when the switch was opened, the drawing liquid system started, and LED shows that the switch is opened, and portable lacrimal passage flusher begins work, and LED lamp convenient to use person confirms the device's user state. The power supply system for supplying power is provided with a battery for supplying power, and a clamping groove for accommodating the battery is arranged in the handle part and is used for fixing the battery.
The injection part of the utility model is screwed at the front end of the handle part through the screw thread, thereby improving the connection stability of the injection part and the handle part and preventing iatrogenic injury caused by slipping of the needle head; this injection portion is including being equipped with injection syringe and the transition pipe of 120~150 contained angles to set up the scale interval on the injection syringe, the eye structure is followed in the contained angle setting, and the human design theory of laminating more, scale interval person of facilitating the use confirms the depth of inserting needle, avoids blind needle inserting. And finally, the liquid storage part is a round table-shaped liquid storage device, and scales for indicating the amount of the flushing liquid are arranged on the outer wall of the liquid storage device, so that the residual amount of the flushing liquid is clear and visible, a user is reminded of timely replenishing the liquid, and the amount of the injected liquid is controlled.
Drawings
Fig. 1 is a schematic structural view of the portable lacrimal passage irrigator of the present invention;
FIG. 2 is a schematic view of the internal system of the portable lacrimal passage irrigator of the present invention;
FIG. 3 is a schematic view of the internal structure of the exchange liquid tank of the present invention;
fig. 4 is a schematic view of the internal structure of the piston according to the present invention.
In the figure: 1. a handle portion; 11. anti-skid lines; 12. a push button switch; 121. a conductive patch; 122. an LED lamp; 123. an electric wire; 13. adjusting a knob; 2. a reservoir; 21. liquid volume scales; 3. an injection part; 31. an injection tube; 311. needle inserting scales; 32. a transition duct; 33. a connecting cap; 4. a liquid exchange tank; 41. a piston; 411. a plug body; 412. a piston ring; 413. a piston pin; 414. a pin hole; 42. a liquid inlet cover plate; 43. a liquid outlet cover plate; 5. a connecting rod; 6. a crankshaft; 7. a motor; 8. a built-in power supply; 9. a liquid outlet pipe; 91. a hose; 10. a liquid inlet pipe; 101. a funnel-shaped liquid suction port.
Detailed Description
In order to make the objects and advantages of the present invention more apparent, the present invention will be described in detail with reference to the following embodiments. It is to be understood that the following text is only intended to describe one or several particular embodiments of the invention, and does not strictly limit the scope of the claims specifically claimed.
The technical scheme of the utility model is as shown in fig. 1-4, a portable lacrimal passage flusher, including handle portion 1, injection portion 3 and transparent liquid storage portion, injection portion 3 is detachable to be set up in the front end of handle portion 1, and injection portion 3 is equipped with the needle insertion scale 311 for confirming the depth of needle insertion, the liquid storage portion is equipped with the flush fluid for flushing the lacrimal passage in, and the liquid storage portion is detachable to be set up in the rear end of handle portion 1; in the embodiment, the handle part 1 is cylindrical and made of polypropylene materials, so that the anti-slip handle is environment-friendly, non-toxic, safe and reliable, soft in touch feeling, more suitable for a hand structure of a human body and excellent in fatigue resistance, and in addition, the anti-slip lines 11 are further arranged on the barrel body of the handle part 1, so that the friction force of a finger pressing part is increased, and the finger pressing part is prevented from slipping off when in use; the handle part 1 is provided with:
the liquid pumping system is connected with the liquid storage part and the injection part 3, flushing liquid in the liquid storage part is pumped and circulated to the injection part 3 through the liquid pumping system, and then the flushing liquid flows out of the injection part 3 to flush the lacrimal passage; the liquid pumping system specifically comprises a liquid inlet pipe 10, a motor 7, a connecting rod 5, a liquid exchange box 4 and a liquid outlet pipe 9, wherein one end of the liquid inlet pipe 10 is connected with the liquid storage part, the other end of the liquid inlet pipe is connected with one side of the liquid exchange box 4, the other side of the liquid exchange box 4 is connected with one end of the liquid outlet pipe 9, and the other end of the liquid outlet pipe 9 is connected with the injection part 3; a liquid inlet cover plate 42 is rotatably arranged at the joint of the liquid inlet pipe 10 in the liquid exchange box 4, and a liquid outlet cover plate 43 is rotatably arranged at the joint of the liquid outlet pipe 9 in the liquid exchange box 4; a piston 41 is also arranged in the exchange liquid tank 4 below the liquid inlet cover plate 42 and the liquid outlet cover plate 43, the piston 41 is connected with the connecting rod 5, and the motor 7 drives the connecting rod 5 to move along the axial direction thereof and drives the piston 41 to move up and down in the exchange liquid tank 4 through an eccentric gear to drive the liquid inlet cover plate 42 or the liquid outlet cover plate 43 to be opened or closed; the motor 7 is connected with a power supply system through a control switch. A rotating shaft is arranged on the inner wall of the exchange liquid box 4 below the pipe orifice of the liquid inlet pipe 10, the lower end of a liquid inlet cover plate 42 is connected with the exchange liquid box 4 through the rotating shaft, the liquid inlet cover plate 42 rotates around the rotating shaft within the range of 0-120 degrees, and the angle of the liquid inlet cover plate 42 when the pipe orifice of the liquid inlet pipe 10 is blocked is 0 degree; a rotating shaft is arranged on the inner wall of the liquid exchange box 4 above the pipe orifice of the liquid outlet pipe 9, the upper end of the liquid outlet cover plate 43 is connected with the liquid exchange box 4 through the rotating shaft, the liquid outlet cover plate 43 rotates around the rotating shaft within the range of 0-180 degrees, and the pipe orifice of the liquid outlet pipe 9 is blocked by the liquid outlet cover plate 43 to be 0 degree. When the liquid inlet cover plate 42 rotates downwards to the limit, an included angle of 60 degrees is formed between the liquid inlet cover plate 42 and the side wall of the exchange liquid box 4, so that the liquid inlet cover plate 42 is closed when the piston 41 moves upwards; the upper end of the liquid outlet cover plate 43 is rotatably connected with the liquid exchange box 4, the movable angle of the liquid outlet cover plate 43 is set to be 0-180 degrees, the upper end of the liquid outlet cover plate 43 is connected with the rotating shaft, and the liquid outlet cover plate has a downward trend under the action of gravity, so that the liquid outlet pipe opening is closed.
As shown in fig. 3 and fig. 4, the motor 7 drives the crankshaft 6 to rotate, the piston 41 moves up and down along with the rotation of the connecting rod 5, the pressure inside the exchange liquid tank 4 changes, the liquid outlet cover plate 43 falls down to cover the nozzle of the liquid outlet pipe 9 when the piston 41 moves down, the liquid inlet cover plate 42 is opened to enable flushing liquid to enter the exchange liquid tank 4 from the liquid inlet pipe 10, the piston 41 moves up under the drive of the connecting rod 5, the pressure inside the exchange liquid tank 4 increases rapidly, liquid is pumped in, the liquid inlet cover plate 42 is closed, and the liquid outlet cover plate 43 is opened, so that the process of continuously feeding and discharging liquid is realized. The opening and closing of the liquid outlet cover plate 43 and the liquid inlet cover plate 42 are controlled by the pressure formed when the piston 41 reciprocates in the liquid exchange tank 4, and are respectively controlled by transmission members such as the connecting rod 5, the crankshaft 6 and the piston 41, and the piston 41 is composed of a plug body 411, a piston ring 412, a piston pin 413 and a pin hole 414. The piston 411 is cylindrical, a piston ring 412 is arranged on the piston 411 so as to seal the liquid exchange tank 4 when the plug body 411 reciprocates, the upper piston rings 412 are called gas rings and are used for sealing the liquid exchange tank 4 to form a vacuum environment, gas in the liquid exchange tank 4 is prevented from leaking, liquid pumping hydraulic pressure is provided, and the lower piston rings are called liquid rings and are used for scraping off redundant liquid beads on the wall of the liquid exchange tank 4 and preventing the liquid beads from accumulating to influence the use of the plug body 411; the piston pin 413 is cylindrical and penetrates through the pin hole 414 on the plug body 411 and the small end of the connecting rod 5 to connect the plug body 411 and the connecting rod 5, the big end of the connecting rod is divided into two halves and is connected by a connecting rod screw, and the piston pin is connected with the crank pin of the crankshaft 6; when the connecting rod 5 works, the small end of the connecting rod reciprocates along with the plug body 411, the large end of the connecting rod 5 rotates around the axis of the crankshaft along with the crankshaft pin, and a rod body between the large end and the small end of the connecting rod does complex swinging motion; the motor 7 continuously works to drive the process to be circularly carried out, and the flushing liquid continuously flows out from the pipe orifice, so that the effect of continuously supplying liquid is achieved.
A section of TPE hose 91 for shock absorption is further arranged at the connection end of the liquid outlet pipe 9 and the injection part 3, then flushing liquid flows into the injection part 3 through the hose 91, the hose 91 plays a role in slowing down the transmission of the shock generated by the liquid pumping system and the injection part 3 to the injection pipe 31, the needle head of the injection pipe 31 is favorably stabilized, and the iatrogenic injury is reduced; the end that feed liquor pipe 10 meets with reservoir 2 is equipped with infundibulate siphunculus 101, and the major part end of infundibulate siphunculus 101 is located reservoir 2, and infundibulate siphunculus 101 can make the flush fluid in the reservoir 2 by make full use of, has improved the security that the lacrimal passage washed.
The control switch is connected with the liquid pumping system and drives the liquid pumping system to operate or close through the on-off of the control switch; the control switch comprises a button switch 12 for controlling the opening and closing of the liquid pumping system and an LED lamp 122 for displaying the opening and closing state of the liquid pumping system, the button switch 12 is a 12mm self-locking high-head metal switch, the self-locking high-head metal switch is arranged at one third of the outer wall of the handle part 1 away from the front end of the handle part 1, the liquid-proof LED lamp 122 is arranged in the self-locking high-head metal switch, the LED lamp 122 is arranged below a key, liquid-proof damage can be avoided when the LED lamp 122 is in a liquid contact state in the using process, the output end of the power supply system returns to the input end of the power supply system through the button switch 12 and the LED lamp 122 in sequence, and an LED lamp 122 loop is formed; the output end of the power supply system returns to the input end of the power supply system through the button switch 12 and the motor 7 in sequence to form a loop of the motor 7; the button switch 12 is internally provided with a conductive patch 121, wires 123 at two ends of the button switch are respectively connected with one conductive patch 121, when the button switch 12 is pressed down, the conductive patches 121 on the switch are connected with the conductive patches 121 on the wires 123, current is conducted, the LED lamp 122 is on, and the motor 7 is started.
A flow rate control system which is arranged between the liquid extraction system and the injection part 3 and adjusts the flow rate of the flushing liquid flowing to the injection part 3; the flow rate control system comprises an adjusting knob 13 and an adjusting valve, the adjusting valve is arranged on the liquid outlet pipe 9, and the adjusting knob 13 is arranged on the adjusting valve to control the size of the adjusting valve; in the embodiment, the adjusting knob 13 is a round knob with the diameter of 4mm and is connected with the adjusting valve, and the direction of the round hole of the lower adjusting ball valve is adjusted by rotating the adjusting knob 13, so that the flow of flushing liquid is adjusted; in the embodiment, the regulating valve is a miniature water flow regulating valve with the total length of 21mm and the inner diameter of a water pipe of 2.3mm, the regulating valve is arranged in the lacrimal passage flusher, the bottom of the regulating valve is provided with a ball valve, the ball is provided with a through round hole, when a knob pointer is vertical to the pipe diameter, the round hole is not in the same direction as the injection needle pipe, the valve is in a closed state, and water flow cannot pass through the round hole; in the process that the pointer rotates from vertical to parallel with the injection needle tube, the water flow and the water flow speed are gradually increased, thereby achieving the purpose of adjusting the water flow speed and enabling the lacrimal passage irrigator to be more suitable for lacrimal passage obstruction with different degrees.
And the power supply system is used for supplying electric quantity to the liquid pumping system, the control circuit system and the flow rate control system. The power supply system is a battery, a clamping groove for accommodating the battery is arranged in the handle part 1, and the battery is electrically connected in the clamping groove. In the embodiment, a built-in power supply 8 of the control electric appliance is used, a power supply circuit is directly placed on a main circuit board, a proper secondary coil is installed on an electromagnetic system of the electric appliance to serve as an alternating current power supply of the control circuit, and a direct current stabilized voltage power supply required by the control circuit is output through a rectifying element, a filter capacitor and a voltage stabilizing element. This part is the existing power supply technology and therefore will not be described in more detail here.
The injection part 3 is screwed at the front end of the handle part 1 through threads, the injection part 3 comprises a connecting cap 33, a transition pipe 32 and an injection pipe 31 which are arranged along the direction, internal threads are arranged in the connecting cap 33 and are matched with external threads on the front end of the handle part 1, and the injection part is connected with the handle part 1 through threads, so that the injection part is stable and reliable, the problem of needle head separation existing in the existing insertion can be effectively solved, the transition pipe 32 and the handle part 1 are positioned on the same axis, the total length of the injection pipe 31 and the transition pipe 32 is 16mm, the injection pipe 31 is obliquely arranged towards the end far away from the handle part 1, and an included angle of 135 degrees is formed between the injection pipe 31 and the transition pipe 32; the needle insertion scale 311 is arranged on the injection tube 31 and is arranged along the length direction of the injection tube 31, the measuring range of the scale value is 8mm, the minimum scale is 1mm, the needle insertion depth can be conveniently confirmed by medical workers, the injury to the lacrimal passage is reduced, meanwhile, the bending structure follows the eye structure, and the human body design concept is more attached. In addition, the transparent polypropylene material of outward appearance is adopted in the stock solution portion of this embodiment, and safe nontoxic and comparatively light and handy, wholly be round platform form reservoir 2, and the microcephaly end of reservoir 2 passes through the screw thread and twists in 1 rear end of handle portion, and 2 outer walls of reservoir are equipped with the liquid measure scale 21 that represents the flush fluid volume, and 2 outer wall marks of reservoir of this embodiment have 1~15mL liquid measure scale 21, and transparent material guarantees that the surplus liquid measure is clear visible, reminds medical personnel in time fluid infusion, and the control is annotated the liquid measure.
The utility model provides an effective guarantee for the refined lacrimal passage flushing operation of clinical ophthalmology, has quantitative control on the flushing flow rate and direction, controls the injection speed and the depth of the injection needle head entering the lacrimal canaliculus within the medical safety range, can reduce the trauma caused by uncertain factors in the lacrimal passage flushing operation, and has the advantages of simple operation, no cross infection and pollution, etc.; simultaneously still increased medical personnel's hand and the power of gripping of handle portion barrel, stability obtains improving, and convenient operation has accelerated ophthalmology medical personnel's cultivation process simultaneously. The utility model discloses when using, with back end reservoir from handle portion back-spin out, add lacrimal passage through the reservoir opening and wash reagent, add and make the two inseparable lock with reservoir screw in handle portion after finishing. The hand is held at the anti-skid veins, the button switch is pressed to start the liquid pumping system, the lacrimal passage flushing reagent is sucked into the liquid inlet pipe through the funnel-shaped liquid suction port, and the reagent is output from the front end injection part to enter the lacrimal passage of the human body, thereby achieving the effect of electrically controlling the quantity and the speed.
The above detailed description of the embodiments of the present invention has been provided with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and those skilled in the art can make several equivalent transformations and substitutions without departing from the principles of the present invention after learning the contents of the present invention.
Claims (9)
1. A portable lacrimal passage flusher is characterized by comprising a handle part, an injection part and a transparent liquid storage part, wherein the injection part is detachably arranged at the front end of the handle part, the injection part is provided with scale values for determining the needle insertion depth, flushing liquid for flushing the lacrimal passage is filled in the liquid storage part, and the liquid storage part is detachably arranged at the rear end of the handle part; the handle part is internally provided with:
the liquid pumping system is connected with the liquid storage part and the injection part, flushing liquid in the liquid storage part is pumped and circulated to the injection part through the liquid pumping system, and then the flushing liquid flows out of the injection part to flush the lacrimal passage;
the control switch is connected with the liquid pumping system and drives the liquid pumping system to operate or close through the on-off of the control switch;
the flow rate control system is arranged between the liquid extracting system and the injection part and used for adjusting the flow rate of the flushing liquid flowing to the injection part;
and the power supply system is used for supplying electric quantity to the liquid pumping system, the control circuit system and the flow rate control system.
2. The portable lacrimal passage irrigator of claim 1, wherein: the liquid pumping system comprises a liquid inlet pipe, a motor, a connecting rod, a liquid exchange box and a liquid outlet pipe, wherein one end of the liquid inlet pipe is connected with the liquid storage part, the other end of the liquid inlet pipe is connected with one side of the liquid exchange box, the other side of the liquid exchange box is connected with one end of the liquid outlet pipe, and the other end of the liquid outlet pipe is connected with the injection part; a liquid inlet cover plate is rotatably arranged at the joint of the liquid inlet pipe and the liquid exchange tank, and a liquid outlet cover plate is rotatably arranged at the joint of the liquid outlet pipe and the liquid exchange tank; a piston is arranged in the exchange liquid box below the liquid inlet cover plate and the liquid outlet cover plate and is connected with a connecting rod, and a motor drives the connecting rod to move along the axial direction of the connecting rod through an eccentric gear and drives the piston to move up and down in the exchange liquid box to drive the liquid inlet cover plate or the liquid outlet cover plate to be opened or closed; the motor is connected with a power supply system through a control switch.
3. The portable lacrimal passage irrigator of claim 2, wherein: a rotating shaft is arranged on the inner wall of the exchange liquid box below the pipe orifice of the liquid inlet pipe, the lower end of the liquid inlet cover plate is connected with the exchange liquid box through the rotating shaft, the liquid inlet cover plate rotates in a range of 0-120 degrees around the rotating shaft, and the angle of the liquid inlet cover plate is 0 degree when the pipe orifice of the liquid inlet pipe is plugged; the liquid exchange box is characterized in that a rotating shaft is arranged on the inner wall of the liquid exchange box above the pipe orifice of the liquid outlet pipe, the upper end of the liquid outlet cover plate is connected with the liquid exchange box through the rotating shaft, the liquid outlet cover plate rotates within the range of 0-180 degrees around the rotating shaft, and the liquid outlet cover plate blocks the pipe orifice of the liquid outlet pipe by 0 degree.
4. The portable lacrimal passage irrigator of claim 2, wherein: the connection end of the liquid outlet pipe and the injection part is also provided with a section of flexible pipe for damping, and flushing liquid flows into the injection part through the flexible pipe; the liquid inlet pipe is connected with the liquid storage device, a funnel-shaped liquid suction port is arranged at the end, connected with the liquid storage device, of the liquid inlet pipe, and the large end of the funnel-shaped liquid suction port is located in the liquid storage device.
5. The portable lacrimal passage irrigator of claim 2, wherein: the flow rate control system comprises an adjusting knob and an adjusting valve, the adjusting valve is arranged on the liquid outlet pipe, and the adjusting knob is arranged on the adjusting valve to control the size of the adjusting valve.
6. The portable lacrimal passage irrigator of claim 1, wherein: the control switch comprises a button switch for controlling the on-off of the liquid pumping system and an LED lamp for displaying the on-off state of the liquid pumping system, the button switch is arranged on the outer wall of the handle part, and the output end of the power supply system returns to the input end of the power supply system through the button switch and the LED lamp in sequence to form an LED lamp loop; the output end of the power supply system returns to the input end of the power supply system through the button switch and the motor in sequence to form a motor loop.
7. The portable lacrimal passage irrigator of claim 1, wherein: the power supply system is a battery, a clamping groove used for containing the battery is arranged in the handle part, and the battery is electrically connected in the clamping groove.
8. The portable lacrimal passage irrigator of claim 1, wherein: the injection part is screwed at the front end of the handle part through threads, and comprises a connecting cap, a transition pipe and an injection pipe which are arranged along the same axis, the transition pipe and the handle part are positioned on the same axis, the injection pipe is obliquely arranged towards the end far away from the handle part, and an included angle of 120-150 degrees is formed between the injection pipe and the transition pipe; the scale value is arranged on the injection tube and arranged along the length direction of the injection tube.
9. The portable lacrimal passage irrigator of claim 1, wherein: the liquid storage part is a round table-shaped liquid storage device, the small head end of the liquid storage device is screwed to the rear end of the handle part through threads, and scales for indicating the amount of flushing liquid are arranged on the outer wall of the liquid storage device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022657595.1U CN214049699U (en) | 2020-11-17 | 2020-11-17 | Portable lacrimal passage irrigator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022657595.1U CN214049699U (en) | 2020-11-17 | 2020-11-17 | Portable lacrimal passage irrigator |
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| Publication Number | Publication Date |
|---|---|
| CN214049699U true CN214049699U (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022657595.1U Expired - Fee Related CN214049699U (en) | 2020-11-17 | 2020-11-17 | Portable lacrimal passage irrigator |
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| Country | Link |
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| CN (1) | CN214049699U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023045289A1 (en) * | 2021-02-07 | 2023-03-30 | 程秀著 | Led lacrimal duct probe |
-
2020
- 2020-11-17 CN CN202022657595.1U patent/CN214049699U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023045289A1 (en) * | 2021-02-07 | 2023-03-30 | 程秀著 | Led lacrimal duct probe |
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