CN211536212U

CN211536212U - Medical three-way valve for continuous inflation or perfusion

Info

Publication number: CN211536212U
Application number: CN201921305167.3U
Authority: CN
Inventors: 朱旭明; 虞盛艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-09-22
Anticipated expiration: 2029-08-08

Abstract

The utility model discloses a medical three-way valve for continuous inflation or perfusion, which comprises a three-way valve main body, an outward-inward one-way valve port, an inward-outward one-way valve port and a normally-open port, wherein the top end of the three-way valve main body is fixedly connected with the inward one-way valve port, the other end of the bottom of the three-way valve main body is fixedly connected with the normally-open port, the middle periphery of the normally-open port is nested and connected with an adjusting fastening valve, the middle lap joint of the inner top of the three-way valve main body is connected with a first one-way valve, the first one-way valve can ensure the flow guiding and shunting effect of the three-way valve main body, thereby achieving the effects of reasonably saving manufacturing materials and reducing manufacturing cost, being convenient for a patient to use, adjusting the fastening valve, reflecting the versatility and high efficiency of the utility model, the inward-outward one-way valve port reflects the installation of the utility model, and the plug can effectively ensure the sealing performance of the, has wide application prospect in the future.

Description

Medical three-way valve for continuous inflation or perfusion

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a medical three-way valve for continuous inflation or perfusion.

Background

The three-way valve body has three ports, one is to enter two and go out, (left is to enter, right and go out down) and ordinary valve difference have one exit at the bottom, when the inner valve core is in different positions, the exit is different, if the valve core is in the lower part, communicate from side to side, if the valve core is in the upper part, the right exit is blocked, the left and lower ports are communicated.

The traditional medical three-way valve for continuous inflation or perfusion needs to use a balloon to manually expand the extraperitoneal space when the urinary surgery is operated by the extraperitoneal surgery, the traditional method uses an injector and a vessel clamp to be matched with two persons for intermittent inflation, the efficiency is low, the time is long, air leakage is easy, the inflation quantity is inaccurate, the manual water injection or gravity suspension mode is used for perfusion during the operation in the urinary surgery cavity to keep the operation visual field clear, the manual water injection mode needs to intermittently pump water and wash water, the efficiency is low, the labor capacity is large, and sometimes the two persons are matched; the gravity suspension mode cannot dynamically adjust the perfusion flow and pressure according to the condition of the operation visual field.

Therefore, how to design a medical three-way valve for continuous inflation or perfusion becomes a problem to be solved currently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a medical three-way valve for aerifing in succession or filling to propose among the above-mentioned background art problem that inefficiency, time are long, leak gas easily, the inflation volume is inaccurate, the amount of labour is big and need many people to cooperate the use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a medical three-way valve for aerify or pour into in succession, includes three-way valve main part, outside in one-way valve port, inside outside one-way valve port and normally open port, one-way valve port in fixedly connected with in the middle of the top of three-way valve main part, the bottom other end fixedly connected with of three-way valve main part normally open port, the peripheral nested connection in the middle of the normally open port has the regulation fastening valve, the inside middle swing joint who adjusts the fastening valve has the loose axle, the inboard overlap joint of loose axle links to each other there is drive gear, the inside top middle overlap joint of logical valve main part links to each other there is first one-way valve, the middle both ends swing joint of first one-way valve has the spring hinge axle, the inside bottom one side overlap joint of logical valve main part links.

Preferably, the middle of the inner side of the transmission gear is connected with a movable disc in an overlapping manner, and a blocking head is fixedly connected to the middle of the inner side of the movable disc.

Preferably, both sides of the top end of the first one-way valve are fixedly connected with plugging clamping heads, and the end of each plugging clamping head is fixedly connected with a fixing ring.

Preferably, one end of the bottom of the three-way valve body is fixedly connected with an inward and outward one-way valve port.

Preferably, the bottom end of the spring hinge shaft is fixedly connected with a valve.

Preferably, the adjusting and fastening valve is composed of a movable shaft in the middle of the inner side, a transmission gear in the inner side of the movable shaft, a movable disc in the middle of the transmission gear and a plugging head in the middle of the inner side of the movable disc.

Preferably, the first one-way valve consists of plugging chucks on two sides of the top end, a fixing ring at the bottom end of the plugging chucks, a spring hinge shaft at the bottom end of the fixing ring and a valve at the bottom end of the spring hinge shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this kind of a medical three-way valve for aerify in succession or fill, insert injection needle ware and carry out the fixed work back to it through adjusting fastening valve in medical personnel's to the normal port, medical personnel's accessible is sucked repeatedly in will the inside gas transfer of outside inside check valve to inside outside check valve, realizes single quick continuous inflation, effectively prevents to leak gas, and the accurate volume of inflating of calculating, high efficiency.

2. This kind of a medical three-way valve for aerify in succession or fill, the external liquid pipeline that hangs of outside-in check valve side port when filling liquid, the normal open port connects different capacity syringes as required and conveys liquid to inside-out check valve side port through pumping repeatedly, and its flow and pressure are adjustable as required, when stopping artifical the filling, hang the side liquid and can go on by oneself and continuously fill through the gravity action, have embodied the utility model discloses a versatility and high efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;

fig. 4 is an enlarged schematic structural diagram of the position B of the present invention.

In the figure: 1. the three-way valve comprises a three-way valve body, 2, an outward one-way valve port, 3, an inward one-way valve port, 4, a normally open port, 5, a regulating and fastening valve 501, a movable shaft 502, a transmission gear 503, a movable disc 504, a plugging head 6, a first one-way valve 601, a plugging chuck 602, a fixing ring 603, a spring hinge shaft 604, a valve 7 and a second one-way valve.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In a first embodiment, please refer to fig. 1-4, the present invention provides a technical solution: a medical three-way valve for continuous inflation or perfusion comprises a three-way valve body 1, an outward-inward one-way valve port 2, an inward-outward one-way valve port 3 and a normally-open port 4, wherein the inward one-way valve port 2 is fixedly connected to the middle of the top end of the three-way valve body 1, the normally-open port 4 is fixedly connected to the other end of the bottom of the three-way valve body 1, an adjusting fastening valve 5 is connected to the periphery of the middle of the normally-open port 4 in a nested mode, a movable shaft 501 is movably connected to the middle of the inside of the adjusting fastening valve 5, a transmission gear 502 is connected to the inner side of the movable shaft 501 in a lapped mode, a first one-way valve 6 is connected to the middle of the top of the three-way valve body 1 in a lapped mode, a spring hinge shaft 603 is movably connected.

Preferably, the middle of the inner side of the transmission gear 502 is connected with a movable disc 503 in an overlapping manner, the middle of the inner side of the movable disc 503 is fixedly connected with a blocking head 504, when a medical worker inserts an injector into the normally open port 4, the locking valve 5 can be adjusted through manual rotation, so that the movable shaft 501 in the middle of the inner side of the movable disc 503 is driven to rotate, the transmission gear 502 which is in overlapping connection with the medical worker is driven to rotate through the rotating shaft 501, the movable disc 503 in the middle of the movable disc is driven to move up and down through the transmission gear 502, the effect of squeezing the injection needle tube inside the normally open port 4 is achieved, the fixing effect is achieved, the connection part between the catheter and the normally open port 4 is ensured to be firm, the injector with different diameters is suitable for installation and connection work, the medical worker can install the injector conveniently, and the locking valve 5 can be adjusted according to the use mode, improve work efficiency, embodied the utility model discloses a practicality.

Preferably, the top both sides fixedly connected with shutoff dop 601 of first one-way valve 6, the solid fixed ring 602 of fixedly connected with of shutoff dop 601, through shutoff dop 601, can effectively ensure first one-way valve 6 with the leakproofness at the inside interconnect position of extroversion in one-way valve port 2, avoid appearing liquid reflux, influence the practical degree of three-way valve main part 1 itself, and be convenient for first one-way valve 6 and extroversion in be connected between one-way valve port 2, embodied the utility model discloses an air tightness.

Preferably, outside one-way valve port 3 in the bottom one end fixedly connected with of three-way valve main part 1, at first when medical personnel cup joint different bore hoses to 3 peripheries of inside and outside one-way valve port, the joint that 3 one ends of accessible inside and outside one-way valve port set up, and connect the appearance and be "pagoda shape", can effectively improve the compactness at continuous position between itself and the hose, improve its degree of sealing, the medical personnel's installation of being convenient for work, and ensure three-way valve main part 1 later stage service quality itself, embodied the utility model discloses a installation nature.

Preferably, the bottom end of the spring hinge shaft 603 is fixedly connected with the valve 604, when liquid and gas enter the three-way valve main body 1 along the direction indicated by the arrow in fig. 2, a acting force generated by the valve 604 can push the valve 604 open easily, the liquid and the gas flow into the three-way valve main body 1 to conduct work, and after the working is finished, the valve 604 is controlled to close inwards to block the pipe through the spring hinge shaft 603 arranged at one end of the valve 604, so that the effect of one-way flow guiding is achieved.

Preferably, the adjusting fastening valve 5 is composed of a movable shaft 501 in the middle of the inner side, a transmission gear 502 in the inner side of the movable shaft 501, a movable disc 503 in the middle of the transmission gear 502 and a blocking head 504 in the middle of the inner side of the movable disc 503, firstly, after a medical worker inserts an injection needle into the normally open port 4 and fixes the needle by adjusting the fastening valve 5, the medical worker can repeatedly suck to transfer gas in the outward inward and inward check valve into the inward and outward check valve, so that the single-worker continuous inflation is realized, the gas leakage is effectively prevented, the inflation amount is accurately calculated, meanwhile, when liquid is filled, the side port of the outward and inward check valve is externally connected with a suspension liquid pipeline, the normally open port is connected with injectors with different capacities as required, the liquid is transferred to the side port of the inward and outward check valve by repeated suction, the flow rate and the pressure of the normal open port can be adjusted as required, when the manual filling is stopped, the suspension, embodies the utility model discloses a versatility and high efficiency.

Preferably, first check valve 6 is by the shutoff dop 601 of top both sides, the solid fixed ring 602 of shutoff dop 601 bottom, the valve 604 of the spring hinge axle 603 and the spring hinge axle 603 bottom of solid fixed ring 602 bottom constitutes jointly, when liquid moves towards arrow point opposite direction in fig. 2, can carry out effective separation to it through first check valve 6, the backward flow phenomenon is avoided appearing, and through the simple structural design of first check valve 6 itself, the water conservancy diversion reposition of redundant personnel effect of three-way valve main part 1 itself can be guaranteed equally, reach reasonable sparingly manufacturing material, reduce manufacturing cost's effect, be convenient for the patient to use.

The working principle is as follows: firstly, after a medical worker inserts an injector into the normally open port 4, the fastening valve 5 can be manually adjusted through rotation, so that the movable shaft 501 in the middle of the inner side of the medical worker is driven to rotate, the transmission gear 502 which is in lap joint with the medical worker is driven to rotate through the rotation shaft 501, the movable disc 503 in the middle of the medical worker is pushed by the transmission gear 502 to move up and down, the effect of extruding an injection needle tube in the normally open port 4 is achieved, the fixing effect is achieved, the firmness of the connecting part of the catheter and the normally open port 4 is ensured, the medical worker is suitable for the injectors with different diameters to carry out installation and connection work, the medical worker can conveniently install the medical worker, meanwhile, the fastening valve 5 can be selectively adjusted according to the using mode of the medical worker to block the normally open port 4 or fix a needle tool, the working efficiency is improved;

then, when medical personnel cup joint hoses with different calibers at the periphery of the port 3 of the inward and outward one-way valve, the connector arranged at one end of the port 3 of the inward and outward one-way valve can be used, and the appearance of the connector is in a tower shape, so that the tightness of a connecting part between the connector and the hose can be effectively improved, the sealing degree of the connector is improved, the installation work of the medical personnel is facilitated, the later-stage use quality of the main body 1 of the three-way valve is ensured, and the installation performance of the utility model is embodied;

then, the sealing performance of the first one-way valve 6 at the connecting part with the inner side of the port 2 of the outward-inward one-way valve can be effectively ensured through the plugging clamping head 601, the liquid backflow is avoided, the practical degree of the three-way valve main body 1 is influenced, the connection between the first one-way valve 6 and the port 2 of the outward-inward one-way valve is convenient, and the sealing performance of the three-way valve is reflected;

next, when liquid and gas enter the three-way valve main body 1 along the direction indicated by the arrow in fig. 2, a phase acting force generated by the liquid and the gas can push the valve 604 open easily, the liquid flows into the three-way valve main body 1 to conduct work, after the conduction is finished, the control valve 604 is closed inwards to seal the pipe through the spring hinge shaft 603 arranged at one end of the valve 604, and a one-way flow guiding effect is achieved, on the contrary, when the liquid moves in the direction opposite to the arrow in fig. 2, the liquid can be effectively blocked through the first one-way valve 6, the backflow phenomenon is avoided, and through the simple structural design of the first one-way valve 6, the flow guiding and shunting effect of the three-way valve main body 1 can be ensured, the effects of reasonably saving manufacturing materials and reducing the manufacturing cost are achieved, and the use of a patient is facilitated;

finally, after medical personnel inserted the injection needle ware and carried out fixed work to it through adjusting fastening valve 5 in to the normal open port 4, medical personnel's accessible is sucked repeatedly and is gaseous conveying inside to outside one-way valve in with outside inside one-way valve in, realize single quick continuous inflation, effectively prevent gas leakage, the accurate volume of inflating of calculating, the external suspension liquid pipeline of outside inside one-way valve side port when filling liquid simultaneously, normal open port connects different capacity syringe as required and conveys liquid to inside and outside one-way valve side port through repeated suction, its flow and pressure are adjustable as required, when stopping artifical the pouring, hang the side liquid and can be on its own line and continuously pour through the action of gravity, embodied the utility model discloses a multiple use and high efficiency, this is exactly this kind of a medical three-way valve for continuous inflation or pouring's theory of operation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A medical three-way valve for continuous inflation or perfusion, comprising a three-way valve body (1), an outward one-way valve port (2), an inward one-way valve port (3) and a normally open port (4), characterized in that: the utility model discloses a quick-witted valve, including three-way valve main part (1), the top of three-way valve main part (1) is fixed connection with interior check valve port (2) in the middle of the top, the bottom other end fixed connection of three-way valve main part (1) has always to lead to port (4), the peripheral nested connection in the middle of always leading to port (4) adjusts fastening valve (5), the inside middle swing joint who adjusts fastening valve (5) has loose axle (501), the inboard overlap joint of loose axle (501) links to each other has drive gear (502), the inside top middle overlap joint of logical valve main part (1) links to each other has first check valve (6), the middle both ends swing joint of first check valve (6) has spring hinge axle (603), the inside bottom one side overlap joint of logical valve main part (1) links to each other.

2. A three-way valve for medical use for continuous inflation or perfusion according to claim 1, characterized by: the middle of the inner side of the transmission gear (502) is connected with a movable disc (503) in an overlapping mode, and a blocking head (504) is fixedly connected to the middle of the inner side of the movable disc (503).

3. A three-way valve for medical use for continuous inflation or perfusion according to claim 1, characterized by: the top both sides fixedly connected with shutoff dop (601) of first one-way valve (6), the end fixedly connected with solid fixed ring (602) of shutoff dop (601).

4. A three-way valve for medical use for continuous inflation or perfusion according to claim 1, characterized by: one end of the bottom of the three-way valve body (1) is fixedly connected with an inward and outward one-way valve port (3).

5. A three-way valve for medical use for continuous inflation or perfusion according to claim 1, characterized by: the bottom end of the spring hinge shaft (603) is fixedly connected with a valve (604).

6. A three-way valve for medical use for continuous inflation or perfusion according to claim 1, characterized by: the adjusting and fastening valve (5) is composed of a movable shaft (501) in the middle of the inner side, a transmission gear (502) in the inner side of the movable shaft (501), a movable disc (503) in the middle of the transmission gear (502) and a sealing head (504) in the middle of the inner side of the movable disc (503).

7. A three-way valve for medical use for continuous inflation or perfusion according to claim 1, characterized by: the first one-way valve (6) is composed of a blocking clamping head (601) on two sides of the top end, a fixing ring (602) at the bottom end of the blocking clamping head (601), a spring hinge shaft (603) at the bottom end of the fixing ring (602) and a valve (604) at the bottom end of the spring hinge shaft (603).