CN110215387B

CN110215387B - Improved lavage syringe

Info

Publication number: CN110215387B
Application number: CN201910444997.2A
Authority: CN
Inventors: 李静丹; 刘慧巧; 富静; 杨峰桃; 陈凯; 施勇
Original assignee: Lishui City Peoples Hospital
Current assignee: Lishui City Peoples Hospital
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2021-06-15
Anticipated expiration: 2039-05-27
Also published as: CN110215387A

Abstract

An improved lavage injector comprises a dropping funnel, an infusion adjusting clamp and a three-way pipe, wherein a cavity is arranged on the inner side of the dropping funnel, a puncture tube is arranged at the upper end of the dropping funnel, the lower end of the puncture tube is hermetically connected with a medical two-way valve, the lower end of the medical two-way valve is hermetically connected with the cavity, a first lavage tube is arranged at the lower end of the dropping funnel, the infusion adjusting clamp is arranged on the outer side of the middle end of the first lavage tube, the three-way pipe is hermetically connected with the lower end of the first lavage tube, the three-way pipe comprises a main pipe, a branch pipe is hermetically connected with the outer side of the middle end of the main pipe, a first narrow reducing opening is arranged at the upper end of the branch pipe, the lower end of the first lavage tube is hermetically connected with the outer side of the first narrow reducing opening, a medicine feeding pipe is arranged at the left end of the main pipe, the injector is arranged on an injection, the inner side of the other end of the connecting pipe is clamped with an injection pipe.

Description

Improved lavage syringe

Technical Field

The invention relates to a nasal cavity lavage device, in particular to an improved lavage syringe.

Background

The nasal cavity is flushed by feeding a special nasal cleanser into the nasal cavity for circulation, and by means of the sterilization effect of the nasal cleanser and the lavage of water flow, pathogenic bacteria, viruses and dirt accumulated in the nasal cavity are discharged, so that the nasal cavity recovers the normal physiological environment, the self-toxin expelling function of the nasal cavity is recovered, and the purpose of protecting the nasal cavity is achieved. Generally need exert pressure to it through the hand when current nasal cavity flusher uses, thereby make the liquid discharge in the flusher, through this kind of manual mode, the discharge of its liquid medicine often is interrupted discontinuously, can't play the best washing effect, and the unable fine control of pressure, lead to the harm of nasal cavity mucosa easily, can't give the comfortable experience of user, and can't add some auxiliary drugs when nasal cavity is washed, the flusher of adoption can't be sealed completely with the nasal cavity when washing in the current technique, partial lavage liquid can leak from the nasal cavity of irritating department when washing pressure is less, and the unable control to of the flow of liquid, make the washing effect not good.

Disclosure of Invention

The improved lavage syringe is reasonable in structural design, lavage liquid is continuously discharged under the action of gravity of the lavage liquid, the flushing pressure can be controlled to achieve the best flushing effect, damage to nasal mucosa is avoided, the flow of the lavage liquid is convenient to control due to the infusion adjusting clamp, the syringe is completely attached to the nasal cavity, the sealing performance is good, and the lavage liquid is not easy to leak.

The invention adopts the technical scheme for solving the technical problems that: the improved lavage syringe comprises a dropping funnel, an infusion adjusting clamp and a three-way pipe, wherein a cavity is arranged on the inner side of the dropping funnel, a puncture tube is arranged at the upper end of the dropping funnel, the lower end of the puncture tube is hermetically connected with a medical two-way valve which is arranged at the upper end of the dropping funnel, the lower end of the medical two-way valve is hermetically connected with the cavity, a first lavage tube which is hermetically connected with the cavity is arranged at the lower end of the dropping funnel, the infusion adjusting clamp is arranged at the outer side of the middle end of the first lavage tube, the three-way pipe is hermetically connected at the lower end of the first lavage tube, the three-way pipe comprises a main pipe, the outer side of the middle end of the main pipe is hermetically connected with a branch pipe, a first narrow necking is arranged at the upper end of the branch pipe, the lower end of the first lavage tube is hermetically connected at the outer side of the first necking, the utility model discloses a medical syringe, including slider, connecting sleeve, dosing hole, the slider upper end central point puts and is equipped with the sealing, the sealing outside is equipped with the passageway hole that a plurality of evenly set up on the slider, the inboard fixedly connected with spacing ring of connecting sleeve middle-end, the spacing ring upper end is equipped with places the inboard stationary blade of connecting sleeve, the inboard central point of stationary blade puts and opens and has the dosing hole, the stationary blade upper end is equipped with the one end of threaded connection at the inboard dosing tube of connecting sleeve, the person in charge right-hand member is equipped with the second throat, the outside sealing connection of the second throat has the one end of second lavage tube, the other end outside joint of second lavage tube has the one end of connecting tube, the inboard joint of the other end of connecting tube has the injection syringe, is equipped with the drip chamber, and the drip chamber upper end is equipped with the puncture tube that has, the convenience adds the medicine to the lavage liquid and handles, be equipped with slide and stationary blade between three-way pipe and dosing pipe, make when need not adding the medicine operation, the slide plugs up the hole of adding medicine on the stationary blade under hydraulic effect, make the lavage liquid only can flow towards the second lavage pipe, when needs add the medicine operation, the liquid medicine is responsible for the left end through adding the medicine hole with the slide extrusion, the liquid medicine enters into the main pipe through the passageway hole and mixes with the lavage liquid, be equipped with the infusion regulation clamp, conveniently control the flow of lavage liquid, the device forms through a plurality of parts assembly, make the device processing production convenient.

In order to further improve the structure, a rotary sealing device is arranged on the outer side of the right end of the injection tube, a plug is fixedly connected to the outer side of the rotary sealing device, a sealing disc for sealing the nasal cavity is arranged on the outer side of the left end of the plug, a channel groove is formed in the inner side of the left end of the injection tube, a mounting hole is formed in the bottom of the channel groove, one end of a spring is fixedly connected to the bottom of the mounting hole, a sealing plate is fixedly connected to the other end of the spring, the diameter of the sealing plate is 1-2mm larger than that of the mounting hole, a flushing hole penetrating through the injection tube is formed in the bottom of the mounting hole, threads are arranged on the outer side of the plug, the plug and the sealing disc are arranged, one end of the nasal cavity is conveniently sealed to ensure the best flushing effect, the sealing plate with the spring is arranged in the, avoid haring the nasal cavity mucosa, end cap and screw thread are medical silica gel material, are equipped with the screw thread and can clean the dirt of adhesion in the nasal cavity down to flow through the lavage liquid, in order to increase washing effect.

Further perfect, the second lavage tube middle-end is equipped with the pressurization bag, the pressurization bag will the second lavage tube falls into top tube and low tube, top tube right-hand member outside sealing connection be in pressurization bag left end is inboard, low tube left end outside sealing connection be in pressurization bag right-hand member is inboard, the top tube right side is equipped with the piece of preventing returning of covering in the top tube outside, prevent returning piece lower extreme and top tube right side lower extreme fixed connection, prevent forming between piece upper end and the top tube and flow mouthful, be equipped with the pressurization bag, can suitably increase the washing pressure of lavage liquid through the extrusion pressurization bag for the device's the effect of washing is better.

Further perfect, second lavage pipe right-hand member outside and syringe left end outside are equipped with respectively and are located protruding ring in the connecting tube is equipped with protruding ring and avoids second lavage pipe and syringe to drop from the connecting tube for the leakproofness between second lavage pipe and syringe and the connecting tube is better.

Further perfect, closing plate right-hand member outside fixedly connected with is located the silica gel layer in the end cap outside for when the injection tube was using, the silica gel layer can with the seamless subsides of patient's nasal cavity, and the leakproofness is better.

Further perfection, the internal diameter of first lavage pipe and second lavage pipe is 5-8mm for the flow of lavage liquid is in suitable within range, avoids undersize or too big flow and causes the washing effect not good.

Further perfect, the drip chamber upper end is equipped with the lavage bag that is connected through the puncture pipe, is equipped with the lavage liquid in the lavage bag, is equipped with the lavage bag that is equipped with the lavage liquid for the device is convenient, quick with being connected of lavage liquid.

Further perfecting, the included angle between the branch pipe and the left end of the main pipe is 30-60 degrees, so that the lavage liquid flowing out of the first lavage pipe can directly flow into the second lavage pipe.

Further perfect, the fixed connector that is equipped with of the other end of dosing pipe, the inboard sealing connection of connector has the injection end of syringe, the syringe outside is equipped with the syringe pump, and the required medicine's when convenient washing the nasal cavity is driven the syringe injection through the syringe pump for liquid medicine in the liquid medicine syringe can add to the lavage liquid at the uniform velocity, makes the lavage effect better.

Further perfect, rotary seal device includes fixed connection and is in the inboard becket of end cap, the becket inboard is opened there is the holding tank, the holding tank inboard is equipped with sealing connection and is in the inboard sealing rubber of becket, the inboard central point of sealing rubber puts and is equipped with the sealed arch of being connected with the syringe contact, sealing rubber outside central point puts and opens there is the spacing groove, the spacing inslot is equipped with and is located the inboard fastening spring coil of becket is equipped with rotary seal device and can guarantee that the end cap can not flow out between syringe and the end cap yet when rotatory, guarantees that the lavage operation can normally be accomplished.

The invention has the beneficial effects that: the irrigation solution discharge device is reasonable in structural design, quick and convenient to connect with irrigation solution, capable of continuously discharging the irrigation solution, convenient to add medicines, capable of properly increasing the flushing pressure of the irrigation solution and avoiding overlarge flushing pressure of the irrigation solution so as to avoid damage to nasal mucosa and achieve a better flushing effect, convenient to control the flow of the irrigation solution due to the infusion adjusting clamp, and better in sealing performance between the plug and the nasal cavity of a patient due to the fact that the silica gel layer is arranged on the outer side of the plug, and the irrigation solution is not prone to leakage.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 2;

FIG. 5 is an enlarged view of portion C of FIG. 2;

FIG. 6 is a schematic view of the syringe;

FIG. 7 is a top view of the slider;

FIG. 8 is a top view of the anchor sheet;

fig. 9 is an enlarged view of the sealing device of fig. 4.

Description of reference numerals: 1. a dropping funnel, 2, an infusion adjusting clamp, 3, a three-way pipe, 4, a cavity, 5, a puncture tube, 6, a medical two-way valve, 7, a first lavage tube, 8, a main pipe, 9, a branch pipe, 10, a first narrow reducing opening, 11, a connecting sleeve, 12, a sliding sheet, 13, a sealing part, 14, a passage hole, 15, a second narrow reducing opening, 16, a second lavage tube, 17, a connecting pipe, 18, an injection tube, 19, a plug, 20, a sealing disc, 21, a rotary sealing device, 22, a passage groove, 23, a mounting hole, 24, a spring, 25, a sealing plate, 26, a flushing hole, 27, a convex ring, 28, a silica gel layer, 29, a lavage bag, 30, an injector, 31, a limiting ring, 32, a fixing sheet, 33, a medicine adding pipe, 34, a pressurizing bag, 35, an upper pipe, 36, a lower pipe, 37, an anti-return sheet, 38, a flow opening, 39, a connector, 40, an injection pump, 41, a medicine adding hole, 42, a metal ring, 43. the sealing device comprises an accommodating groove, 44, sealing rubber, 45, a sealing bulge, 46, a limiting groove, 47, a fastening spring ring, 48 and threads.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

referring to figures 1-9: in the embodiment, the improved lavage syringe comprises a dropping funnel 1, an infusion adjusting clamp 2 and a three-way pipe 3, wherein a cavity 4 is arranged on the inner side of the dropping funnel 1, a puncture tube 5 is arranged at the upper end of the dropping funnel 1, a medical two-way valve 6 positioned at the upper end of the dropping funnel 1 is hermetically connected at the lower end of the medical two-way valve 6, the lower end of the medical two-way valve 6 is hermetically connected with the cavity 4, a first lavage tube 7 hermetically connected with the cavity 4 is arranged at the lower end of the dropping funnel 1, the infusion adjusting clamp 2 is arranged at the outer side of the middle end of the first lavage tube 7, the three-way pipe 3 is hermetically connected at the lower end of the first lavage tube 7, the three-way pipe 3 comprises a main pipe 8, a branch pipe 9 is hermetically connected at the outer side of the middle end of the main pipe 8, a first narrow necking opening 10 is arranged at the upper end of the branch pipe 9, the lower end of the first lavage, the outer side of the left end of the main pipe 8 is provided with a sliding sheet 12 which is slidably connected with the inner side of the lower end of the connecting sleeve 11, the central position of the upper end of the sliding sheet 12 is provided with a sealing part 13, the outer side of the sealing part 13 is provided with a plurality of channel holes 14 which are uniformly arranged on the sliding sheet 12, the inner side of the middle end of the connecting sleeve 11 is fixedly connected with a limiting ring 31, the upper end of the limiting ring 31 is provided with a fixing sheet 32 which is arranged on the inner side of the connecting sleeve 11, the central position of the inner side of the fixing sheet is provided with a dosing hole 41, the upper end of the fixing sheet 32 is provided with one end of a dosing pipe 33 which is in threaded connection with the inner side of the connecting sleeve 11, the right end of the main pipe 8 is provided with a second narrow reducing opening 15, the outer side of the second narrow reducing opening 15 is hermetically connected with one end of a second, the outer side of the right end of the injection tube 18 is provided with a rotary sealing device 21, the outer side of the rotary sealing device 21 is fixedly connected with a plug 19, the outer side of the left end of the plug 19 is provided with a sealing disc 20 for sealing a nasal cavity, the inner side of the left end of the injection tube 18 is provided with a channel groove 22, the bottom of the channel groove 22 is provided with a mounting hole 23, the bottom of the mounting hole 23 is fixedly connected with one end of a spring 24, the other end of the spring 24 is fixedly connected with a sealing plate 25, the diameter of the sealing plate 25 is 1-2mm larger than that of the mounting hole 23, the bottom of the mounting hole 23 is provided with a flushing hole 26 penetrating through the injection tube 18, the outer side of the plug 19 is provided with a thread 48, the middle end of the second lavage tube 16 is provided with a pressurizing bag 34, the pressurizing bag 34 divides the second lavage tube 16 into an upper tube, 36 left end outside sealing connection of lower tube is in it is inboard to add the pressure bag 34 right-hand member, upper tube 35 right side is equipped with the anti-return piece 37 that covers in the upper tube 35 outside, prevent 37 lower extremes of return piece and upper tube 35 right side lower extreme fixed connection, it forms between 37 upper ends of return piece and the upper tube 35 and flows mouthful 38, the second lavage pipe 16 right-hand member outside and the injection tube 18 left end outside are equipped with respectively and are located protruding ring 27 in the connecting pipe 17, closing plate 25 right-hand member outside fixed connection has and is located the silica gel layer 28 in the end cap 19 outside, the internal diameter of first lavage pipe 7 and second lavage pipe 16 is 5-8 mm. The upper end of the dropping funnel 1 is provided with an lavage bag 29 connected through the puncture tube 5, lavage liquid is filled in the lavage bag 29, the included angle between the branch pipe 9 and the left end of the main pipe 8 is 30-60 degrees, the other end of the dosing pipe 33 is fixedly provided with a connector 39, the inner side of the connecting head 39 is hermetically connected with the injection end of the injector 30, the outer side of the injector 30 is provided with an injection pump 40, the rotary sealing device 21 comprises a metal ring 42 fixedly connected with the inner side of the choke plug 19, an accommodating groove 43 is formed on the inner side of the metal ring 42, the inside of the accommodating groove 43 is provided with a sealing rubber 44 which is connected with the inside of the metal ring 42 in a sealing way, a sealing bulge 45 which is contacted and connected with the injection tube 18 is arranged at the central position of the inner side of the sealing rubber 44, a limiting groove 46 is formed in the center of the outer side of the sealing rubber 44, and a fastening spring ring 47 located on the inner side of the metal ring 42 is arranged in the limiting groove 46.

When the invention is used, the medical two-way valve 6 on the puncture tube 5 is closed, the puncture tube 5 is inserted into the lavage bag 29, the lavage bag 29 is hung at a high position, the head and the upper body of a patient are inclined forward to form a 30-degree angle with the ground, the patient holds the connecting tube 17 by the thumb and the forefinger, the injection tube 18 and the plug 19 are plugged into the nasal cavity of the patient, the nasal cavity of the patient is sealed by the sealing disc 20, the medical two-way valve 6 is opened, the flow of the lavage liquid is adjusted by adjusting the infusion adjusting clamp 2, the tail end of the plug is held by the hand to rotate, dirt adhered in the nasal cavity of the patient is fallen off, when the liquid needed by lavage is needed to be added, the liquid is sucked into the injector 30, the injection end of the injector 30 is connected with the connector 39 of the drug adding tube 33, the injector 30 is placed inside the injection pump 40, the injector 30 is arranged so that the injector 30 injects the liquid into the drug, when the lavage impact force is too small, slowly extrude pressurization bag 34 come for prevent that back piece 37 blocks up upper tube 35, then the partial lavage liquid in pressurization bag 34 is crowded into lower tube 36 with higher speed in, thereby improve the lavage impact force, when the lavage impact force is too big, the lavage liquid can push sealing plate 25 and remove, makes spring 24 shrink, and mounting hole 23 is blockked up to sealing plate 25, thereby makes injection tube 18 block up, avoids the nasal cavity mucosa to receive the harm.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides an improvement formula lavage syringe, includes drip chamber (1), infusion regulation clamp (2) and three-way pipe (3), characterized by: the utility model discloses a medical infusion set, including drip chamber (1), infusion regulation clamp (2), three-way pipe (3), cavity (4), puncture tube (5) lower extreme sealing connection have be located medical two-way valve (6) of drip chamber (1) upper end, medical two-way valve (6) lower extreme and cavity (4) sealing connection, drip chamber (1) lower extreme is equipped with first lavage pipe (7) with cavity (4) sealing connection, install in the first lavage pipe (7) middle-end outside infusion regulation clamp (2), three-way pipe (3) sealing connection is in first lavage pipe (7) lower extreme, three-way pipe (3) is including being responsible for (8), is responsible for (8) middle-end outside sealing connection and has branch pipe (9), branch pipe (9) upper end is equipped with first narrow throat (10), first lavage pipe (7) lower extreme sealing connection is in the first narrow throat (10) outside, the utility model discloses a medicine feeding device, which is characterized in that the left end outside of the main pipe (8) is in threaded connection with a connecting sleeve (11), the left end outside of the main pipe (8) is provided with a sliding sheet (12) which is in sliding connection with the lower end inside of the connecting sleeve (11), the central position of the upper end of the sliding sheet (12) is provided with a sealing part (13), the outer side of the sealing part (13) is provided with a plurality of channel holes (14) which are uniformly arranged on the sliding sheet (12), the inner side of the middle end of the connecting sleeve (11) is fixedly connected with a spacing ring (31), the upper end of the spacing ring (31) is provided with a fixing sheet (32) which is arranged on the inner side of the connecting sleeve (11), the central position of the inner side of the fixing sheet is provided with a medicine feeding hole (41), the upper end of the fixing sheet (32) is provided with one end which is, the outer side of the second narrow necking (15) is hermetically connected with one end of a second lavage tube (16), the outer side of the other end of the second lavage tube (16) is clamped with one end of a connecting tube (17), and the inner side of the other end of the connecting tube (17) is clamped with an injection tube (18);

a pressurizing bag (34) is arranged at the middle end of the second irrigation pipe (16), the pressurizing bag (34) divides the second irrigation pipe (16) into an upper pipe (35) and a lower pipe (36), the outer side of the right end of the upper pipe (35) is hermetically connected to the inner side of the left end of the pressurizing bag (34), the outer side of the left end of the lower pipe (36) is hermetically connected to the inner side of the right end of the pressurizing bag (34), a return-preventing sheet (37) covering the outer side of the upper pipe (35) is arranged on the right side of the upper pipe (35), the lower end of the return-preventing sheet (37) is fixedly connected with the lower end of the right side of the upper pipe (35), and a flow port (38) is formed between the upper end of the;

a rotary sealing device (21) is arranged on the outer side of the right end of the injection tube (18), a plug (19) is fixedly connected to the outer side of the rotary sealing device (21), a sealing disc (20) for sealing a nasal cavity is arranged on the outer side of the left end of the plug (19), a channel groove (22) is formed in the inner side of the left end of the injection tube (18), a mounting hole (23) is formed in the bottom of the channel groove (22), one end of a spring (24) is fixedly connected to the bottom of the mounting hole (23), a sealing plate (25) is fixedly connected to the other end of the spring (24), the diameter of the sealing plate (25) is 1-2mm larger than that of the mounting hole (23), a flushing hole (26) penetrating through the injection tube (18) is formed in the bottom of the mounting hole (23), and a thread;

the upper end of the dropping funnel (1) is provided with an lavage bag (29) connected through the puncture tube (5), and lavage liquid is filled in the lavage bag (29).

2. An improved irrigation syringe as claimed in claim 1, wherein: and the outer side of the right end of the second lavage tube (16) and the outer side of the left end of the injection tube (18) are respectively provided with a convex ring (27) positioned in the connecting tube (17).

3. An improved irrigation syringe as claimed in claim 2, wherein: and the outer side of the right end of the sealing plate (25) is fixedly connected with a silica gel layer (28) positioned on the outer side of the plug (19).

4. An improved irrigation syringe as claimed in claim 1, wherein: the inner diameter of the first lavage tube (7) and the second lavage tube (16) is 5-8 mm.

5. An improved irrigation syringe as claimed in claim 1, wherein: the included angle between the branch pipe (9) and the left end of the main pipe (8) is 30-60 degrees.

6. An improved irrigation syringe as claimed in claim 1, wherein: the other end of medicine adding pipe (33) is fixed and is equipped with connector (39), the inboard sealing connection of connector (39) has the injection end of syringe (30), syringe (30) outside is equipped with syringe pump (40).

7. An improved irrigation syringe as claimed in claim 2, wherein: rotary seal device (21) is including fixed connection in becket (42) of end cap (19) inboard, becket (42) inboard is opened there is holding tank (43), holding tank (43) inboard is equipped with sealing connection in becket (42) inboard sealing rubber (44), sealing rubber (44) inboard central point puts and is equipped with sealed protruding (45) of being connected with injection pipe (18) contact, sealing rubber (44) outside central point puts and opens spacing groove (46), be equipped with in spacing groove (46) and be located becket (42) inboard fastening spring circle (47).