CN213158947U

CN213158947U - Y-connector and infusion set

Info

Publication number: CN213158947U
Application number: CN202020600457.7U
Authority: CN
Inventors: 王五星; 于敬军; 张秋明
Original assignee: Guangdong Ante Medical Co ltd
Current assignee: Guangdong Ante Medical Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2021-05-11
Anticipated expiration: 2030-04-20

Abstract

The utility model discloses a Y-shaped connector and an infusion device, wherein the Y-shaped connector comprises a valve main body, a side input valve body, an elastic gasket and a pressing component, the valve main body is formed with a liquid passage, and the valve main body has a communication channel. The liquid inlet and outlet of the liquid passage; the side input valve body is connected to the side wall of the valve main body, and communicates with the liquid passage; the elastic gasket is connected to the valve main body On the side close to the liquid inlet, the elastic washer is provided with a through cut; the pressing component is connected to the valve body, and can partially approach and squeeze the elastic washer and pass through the elastic washer so that the liquid inlet and the liquid outlet communicate with each other. The technical scheme of the utility model aims to ensure that the assembly of the Y-shaped connector is good and reliable, and the operation is simple and quick, and at the same time, the internal structure of the Y-shaped connector is simplified, the assembly efficiency is improved, and the product cost is effectively reduced.

Description

Y-shaped connector and infusion device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a Y-shaped connector and an infusion device applying the same.

Background

Interventional therapy is an emerging treatment method between surgical and medical treatment, a medical Y-shaped connector is a necessary instrument for interventional therapy, and the Y-shaped connector is mainly combined with a balloon dilatation catheter to assist in introducing contrast agents, guide wires or other medical instruments during interventional operation. However, most of the existing Y-connectors are press-type, and the press-type Y-connector can control the blood backflow. The existing push type Y-shaped connector is opened and closed by adopting thread rotating extrusion, is inconvenient to operate, has long operation time and needs an operator to have certain operation proficiency.

The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a Y type connector, it is good and firm to aim at guaranteeing Y type connector assembly leakproofness, and is easy and simple to handle swift, simplifies the inner structure of Y type connector simultaneously, improves the efficiency of assembly, effectively reduces product cost.

To achieve the above object, the present invention provides a Y-type connector, including:

the valve comprises a valve main body, a valve body and a valve body, wherein a liquid passing channel is formed in the valve main body, and the valve main body is provided with a liquid inlet and a liquid outlet which are communicated with the liquid passing channel;

the side input valve body is connected to the side wall of the valve main body and is communicated with the liquid passing channel;

the elastic gasket is connected to one side, close to the liquid inlet, in the valve main body, and is provided with a through notch; and

and the pressing assembly is connected to the valve main body and can partially relatively approach and extrude the elastic gasket and the notch penetrating through the elastic gasket so as to communicate the liquid inlet with the liquid outlet.

In an embodiment of this application, the elastic gasket includes fixed part and inserted part, the protruding locating of inserted part a surface of fixed part, the incision runs through the fixed part with the inserted part, the valve main part is close to the concave installation of establishing of one end of inlet forms the mounting groove, the fixed part inlays to be located in the mounting groove, the inserted part stretches into in the cross liquid passageway.

In an embodiment of the present application, in an extending direction of the insertion portion away from the fixing portion, a cross-sectional area of the insertion portion is smaller than a cross-sectional area of the liquid passing channel;

and/or the cross-sectional area of the insertion part is arranged in a conical shape in the extending direction of the insertion part departing from the fixing part.

In an embodiment of the present application, the pressing assembly includes:

the locking cap is connected to one side, close to the liquid inlet, of the valve main body and presses the elastic gasket to be fixed in the valve main body, and a through hole is formed in the locking cap; and

and the pressing cap is internally provided with a straight-through pipe, is sleeved and fixed on the outer wall of the lock cap and can reciprocate relative to the lock cap so that the straight-through pipe penetrates through the through hole to extrude the elastic gasket and penetrates through the notch of the elastic gasket.

In an embodiment of this application, press the cap towards the one end ring of lock cap establishes and forms protruding piece, press the cap cover to locate the lock cap, and make protruding piece spacing butt can the lock cap deviate from the surface of pressing the cap.

In an embodiment of the present application, a guiding surface is formed at one end of the locking cap facing the pressing cap, and the guiding surface is used for abutting against the protruding block and guiding the pressing cap to be sleeved on the locking cap.

In an embodiment of the present application, the locking cap is provided with an internal thread, the valve body is provided with an external thread, and the valve body and the locking cap are connected through the internal thread and the external thread, so that the locking cap presses the elastic washer to be fixed in the valve body.

In an embodiment of the present application, the Y-connector further comprises a rotating luer connector connected to the valve body adjacent a side of the liquid outlet.

In an embodiment of the application, a limiting groove is concavely formed on the outer surface of the valve main body, a limiting block is arranged at one end of the rotary luer connector facing the valve main body, the valve main body is inserted into the rotary luer connector, and the limiting block is embedded in the limiting groove;

and/or, the Y-shaped connector further comprises a sealing ring, and the sealing ring is clamped between the valve main body and the rotary luer connector.

The utility model also provides an infusion set, including Y type connector, Y type connector includes:

and the pressing assembly is connected to the valve main body and can partially relatively approach and press the elastic gasket to penetrate through the notch of the elastic gasket so as to enable the liquid inlet to be communicated with the liquid outlet.

The utility model discloses technical Y type connector's scheme includes valve main part, side input valve body, elastic washer and presses the subassembly, through being formed with liquid channel in the valve main part, the side input valve body is connected in the valve main part and is link up this liquid channel of crossing to can realize that Y type connector can have a plurality of interfaces and with this realize can combining supplementary functions such as leading-in contrast medium of sacculus expansion pipe, seal wire or other medical instrument. Meanwhile, the elastic gasket provided with the through notch is connected to one side, close to the liquid inlet, in the valve main body, and the part of the pressing assembly is relatively close to and extrudes the elastic gasket, so that the elastic gasket can pass through the notch of the elastic gasket, and the liquid inlet is communicated with the liquid outlet. So can make the incision of elastic gasket enlarge so that the liquid passing channel of valve main part can pass through the liquid medicine through pressing the subassembly, and after the user removed the pressure subassembly towards the direction that deviates from the valve main part, the elasticity through the elastic gasket resumes and makes the automatic effect of closing in order to play the shutoff of elastic gasket. The utility model discloses a Y type connector structure is comparatively simple, has not only guaranteed its sealed effect, has reduced because of the emergence of the not enough condition of leakproofness of assembly problem, and is also comparatively convenient during the concurrent operation, makes medical personnel can one-hand operation, reaches quick hemostatic effect, has still improved the efficiency of assembly in addition, satisfies bulk production's demand.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the Y-connector of the present invention;

fig. 2 is a schematic cross-sectional view of an embodiment of the Y-connector of the present invention;

fig. 3 is an exploded view of the Y-connector of the present invention;

fig. 4 is a schematic cross-sectional view of the explosion structure of the Y-connector of the present invention;

fig. 5 is a schematic structural view of the elastic washer of the Y-connector of the present invention;

fig. 6 is a schematic view of the assembly structure of the valve body and the side input valve body of the Y-connector of the present invention.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a Y type connector 100.

Referring to fig. 1 to 6, in the embodiment of the present invention, the Y-shaped connector 100 includes a valve main body 10, a side input valve body 20, an elastic washer 30, and a pressing assembly 40, wherein the valve main body 10 is formed with a liquid passing channel 11, and the valve main body 10 has a liquid inlet 12 and a liquid outlet 13 communicating with the liquid passing channel 11; the side input valve body 20 is connected to the side wall of the valve main body 10 and is communicated with the liquid passing channel 11; the elastic gasket 30 is connected to one side of the valve main body 10 close to the liquid inlet 12, and the elastic gasket 30 is provided with a through notch 33; the pressing member 40 is connected to the valve body 10 and can partially relatively approach and press the elastic gasket 30 and the slit 33 passing through the elastic gasket 30, so that the slit 33 of the elastic gasket 30 is expanded to communicate the liquid inlet 12 with the liquid outlet 13.

Specifically, the valve body 10 and the side input valve body 20 may be made of transparent materials, such as medical transparent polycarbonate materials, and the transparent Y-shaped connector 100 is more clearly identified and is easy to observe. Wherein, valve main part 10 and side input valve body 20 can be as an organic whole structure with this intensity of guaranteeing both structures, perhaps also can connect through detachable mode such as buckle to make things convenient for maintenance and the change in later stage, and side input valve body 20 can be the angle setting with valve main part 10, so that make Y type connector 100 wholly be the Y style of calligraphy, and the extreme end of this side input valve body 20 can be established to luer and connect, thereby can be connected with other infusion pipelines, in order to reach the effect of infusion. It should be noted that the elastic gasket 30 may be made of an elastic material such as silicone or rubber, and thus may be elastically deformed after being pressed, and after the user moves the pressing assembly 40 in a direction away from the valve body 10, the elastic gasket 30 is restored by the elastic deformation, so that the liquid passing channel 11 of the valve body 10 is resealed, and the notch 33 may be a straight notch 33 to improve the sealing performance, or may also be a cross notch 33 to facilitate the expansion of the notch 33, which may be selected by a person skilled in the art, and will not be described herein.

The utility model discloses technical Y type connector 100's scheme includes valve main part 10, side input valve body 20, spring washer 30 and presses subassembly 40, through being formed with liquid channel 11 in valve main part 10, side input valve body 20 is connected in valve main part 10 and is link up this liquid channel 11 of crossing to can realize that Y type connector 100 can have a plurality of interfaces with this realization can combine supplementary functions such as leading-in contrast medium of sacculus expansion pipe, seal wire or other medical instrument. While an elastic gasket 30 having a through-cut 33 is attached to the valve main body 10 on the side close to the inlet port 12, and the elastic gasket 30 is relatively closed and pressed by a portion of the pressing member 40, so that the inlet port 12 and the outlet port 13 can be communicated through the cut 33 of the elastic gasket 30. The slits 33 of the elastic washer 30 can be enlarged by pressing the pressing member 40 so that the liquid passing passage 11 of the valve body 10 can pass the liquid medicine, and after the pressing member 40 is moved in a direction away from the valve body 10 by a user, the slits 33 of the elastic washer 30 are automatically closed by the elastic recovery of the elastic washer 30 to perform a sealing function. The utility model discloses a Y type connector 100 structure is comparatively simple, has not only guaranteed its sealed effect, has reduced because of the emergence of the not enough condition of leakproofness of assembly problem, and is also comparatively convenient during the concurrent operation, makes medical personnel can one-hand operation, reaches quick hemostatic effect, has still improved the efficiency of assembly in addition, satisfies bulk production's demand.

In an embodiment of the present application, referring to fig. 1 to 4, and fig. 6, the elastic gasket 30 includes a fixing portion 31 and an insertion portion 32, the insertion portion 32 is convexly disposed on the fixing portion 31, the cut 33 runs through the fixing portion 31 and the insertion portion 32, the valve body 10 is close to the concave mounting groove 14 that is formed in one end of the liquid inlet 12, the fixing portion 31 is embedded in the mounting groove 14, and the insertion portion 32 extends into the liquid passing channel 11. Specifically, the fixing portion 31 and the insertion portion 32 may be of an integral structure, thereby making the elastic washer 30 structurally stable as a whole while facilitating production. The installation groove 14 is provided to enable the fixing portion 31 of the elastic washer 30 to be accurately placed in the groove, and the fixing portion 31 is not easy to shake and separate after being placed, and the insertion portion 32 extends into the liquid passing channel 11, so as to further improve the stability of the elastic washer 30 after being installed.

Further, in an extending direction of the insertion portion 32 away from the fixing portion 31, a cross-sectional area of the insertion portion 32 is smaller than a cross-sectional area of the liquid passing channel 11; it will be appreciated that the cross-sectional area of the insertion portion 32 is smaller than that of the liquid passing channel 11 so that when the pressing member 40 presses the elastic gasket 30 and partially passes through the elastic gasket 30, the insertion portion 32 is more easily deformed in the liquid passing channel 11, thereby allowing the slit 33 to be more easily enlarged, and thus allowing the liquid inlet 12 and the liquid outlet 13 of the valve body 10 to be more easily communicated, thereby facilitating the pressing operation when the user uses the valve body.

Alternatively, the cross-sectional area of the insertion portion 32 is tapered in an extending direction of the insertion portion 32 away from the fixing portion 31. It will be appreciated that the cross-sectional area of the insertion portion 32 is tapered to facilitate easier deformation of the insertion portion 32 when the pressing assembly 40 is passed therethrough, thereby facilitating the user's operation of pressing the pressing assembly 40.

In an embodiment of the present application, referring to fig. 1 to 4, the pressing assembly 40 includes a locking cap 41 and a pressing cap 42, the locking cap 41 is connected to a side of the valve body 10 close to the liquid inlet 12 and presses the elastic gasket 30 to be fixed in the valve body 10, and the locking cap 41 is provided with a through hole; a through pipe 421 is arranged in the pressing cap 42, and the pressing cap 42 is sleeved and fixed on the outer wall of the locking cap 41 and can reciprocate relative to the locking cap 41, so that the through pipe 421 passes through the through hole to press the elastic washer 30 and passes through the notch 33 of the elastic washer 30. Specifically, the locking cap 41 may be fixedly connected to one side of the valve main body 10 close to the liquid inlet 12, and then the pressing cap 42 is connected to the locking cap 41, so that the through-tube 421 of the pressing cap 42 may pass through the locking cap 41, a connection hole is formed in one side of the pressing cap 42 away from the locking cap 41, the connection hole is communicated with the through-tube 421, the pressing cap 42 may be connected to a guide wire or a balloon dilatation catheter or the like, so as to pass through the through-tube 421 through the connection hole, and at the same time, for the convenience of grasping by a user, a plurality of ribs may be disposed on the outer side of the pressing cap 42, so as to play a role of preventing slipping, and the pressing cap 42 may reciprocate relative to the locking cap 41 after being connected to the locking cap 41, so that the through-tube 421 in the pressing cap 42 may pass through the through-hole to squeeze the elastic gasket 30, and pass through the cut 33 of the elastic.

Further, one end of the pressing cap 42 facing the locking cap 41 is annularly provided with a protruding block 422, the pressing cap 42 is sleeved on the locking cap 41, and the protruding block 422 can be limited and abutted against the surface of the locking cap 41 departing from the pressing cap 42. Specifically, because press cap 42 directly to overlap and locate the outer wall of locking cap 41, establish through pressing cap 42 towards the one end ring of locking cap 41 and form protruding piece 422 to can be spacing by protruding piece 422 when making the fixed back of pressing cap 42 move along the direction that deviates from locking cap 41, thereby be difficult to break away from, improved the steadiness after connecting, simple to operate is swift simultaneously, improves the efficiency of assembly.

Furthermore, a guiding surface 411 is formed at one end of the locking cap 41 facing the pressing cap 42, and the guiding surface 411 is used for abutting against the protruding block 422 and guiding the pressing cap 42 to be sleeved on the locking cap 41. Specifically, in order to further improve the assembly efficiency, the guide surface 411 is provided so that when the lock cap 41 abuts against the projection 422, the pressing cap 42 is more easily assembled with the lock cap 41 by the guide of the guide surface 411, and the operation is simpler.

Optionally, the locking cap 41 is provided with an internal thread, the valve body 10 is provided with an external thread, and the valve body 10 and the locking cap 41 are connected through the internal thread and the external thread, so that the locking cap 41 presses the elastic washer 30 to be fixed in the valve body 10. Specifically, in order to ensure the stability of the connection between the locking cap 41 and the valve main body 10, the valve main body 10 is provided with an external thread by providing an internal thread in the locking cap 41, so that the thread assembly is realized, the connection is ensured to be not easily separated, the stability of the overall structure is improved, and the use of the Y-shaped connector 100 is ensured.

In an embodiment of the present application, referring to fig. 1 to 5, the Y-connector 100 further includes a rotary luer 50, and the rotary luer 50 is connected to the valve body 10 and is close to one side of the liquid outlet 13. Specifically, by providing the rotary luer 50, the liquid outlet 13 of the valve body 10 can be connected with other infusion fittings by screwing to realize the communication of the pipelines, thereby improving the usability of the Y-connector 100.

Furthermore, a limiting groove 15 is concavely formed on the outer surface of the valve main body 10, a limiting block 51 is arranged at one end of the rotary luer 50 facing the valve main body 10, and the valve main body 10 is inserted into the rotary luer 50, so that the limiting block 51 is embedded in the limiting groove 15. Specifically, the limiting groove 15 is formed on the valve main body 10, the limiting block 51 is arranged on the rotary luer connector 50, the connection between the rotary luer connector 50 and the valve main body 10 is realized in a clamping mode that the limiting block 51 is clamped into the limiting groove 15, so that the assembly between the valve main body 10 and the rotary luer connector 50 is simpler, meanwhile, the limiting block 51 is clamped through the limiting groove 15, the front and back movement of the rotary luer connector 50 is limited, the stability of the connected rotary luer connector 50 is ensured, and the requirement of mass production is met.

Optionally, the Y-connector 100 further comprises a sealing ring 60, the sealing ring 60 being interposed between the valve body 10 and the rotary luer 50. Specifically, by interposing the seal ring 60 between the valve main body 10 and the rotary luer 50, the liquid flowing out can be prevented from flowing out through the gap between the valve main body 10 and the rotary luer 50, and the liquid can be ensured to flow to the rotary luer 50 along a specific path and flow out from the rotary luer 50.

The utility model discloses still provide an infusion set, this infusion set includes Y type connector 100, and this Y type connector 100's specific structure refers to above-mentioned embodiment, because this infusion set has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. a Y-type connector, is characterized in that, comprises:

a valve main body, the valve main body is formed with a liquid passage, and the valve main body has a liquid inlet and a liquid outlet communicating with the liquid passage;

a side input valve body, the side input valve body is connected to the side wall of the valve body and communicates with the liquid passage;

an elastic washer, the elastic washer is connected to the side of the valve body close to the liquid inlet, and the elastic washer is provided with a through cut; and

a pressing component, which is connected to the valve body and can be partially close to and squeeze the elastic washer to pass through the cutout of the elastic washer, so that the liquid inlet and the liquid outlet communicate with each other .

2 . The Y-type connector according to claim 1 , wherein the elastic washer comprises a fixing part and an inserting part, the inserting part is protruded from a surface of the fixing part, and the cutout penetrates the The fixing part and the inserting part, one end of the valve body close to the liquid inlet is recessed to form an installation groove, the fixing part is embedded in the installation groove, and the insertion part extends into the liquid passage Inside.

3 . The Y-type connector according to claim 2 , wherein in the extending direction of the insertion portion away from the fixing portion, the cross-sectional area of the insertion portion is smaller than the cross-sectional area of the liquid passage channel. 4 . area;

And/or, in the extending direction of the inserting portion away from the fixing portion, the cross-sectional area of the inserting portion is tapered.

4. The Y-type connector according to any one of claims 1 to 3, wherein the pressing component comprises:

a lock cap, the lock cap is connected to the side of the valve body close to the liquid inlet, and the elastic washer is pressed to be fixed in the valve body, the lock cap is provided with a through hole; and

A pressure cap, a straight-through tube is arranged in the pressure cap, and the pressure cap is sleeved and fixed on the outer wall of the lock cap and can reciprocate relative to the lock cap, so that the straight-through tube passes through the through hole And squeeze the elastic washer and pass through the cutout of the elastic washer.

5 . The Y-type connector according to claim 4 , wherein a protruding block is formed around one end of the pressure cap facing the lock cap, the pressure cap is sleeved on the lock cap and makes the lock cap. 6 . The protruding block can abut against the surface of the locking cap away from the pressing cap in a limited position.

6 . The Y-type connector according to claim 5 , wherein a guide surface is formed at one end of the lock cap facing the pressing cap, and the guide surface is used for abutting with the protruding block. 7 . and guide the pressing cap to be sleeved on the locking cap.

7. The Y-type connector according to claim 4, wherein the lock cap is provided with an inner thread, the valve body is provided with an outer thread, and the valve body and the lock cap pass through the inner thread is connected with the external thread, so that the lock cap presses the elastic washer and is fixed in the valve body.

8. The Y-type connector according to any one of claims 1 to 3, wherein the Y-type connector further comprises a swivel luer joint, the swivel luer joint is connected to the valve body and is close to the valve body one side of the liquid outlet.

9 . The Y-type connector according to claim 8 , wherein a limiting groove is concavely formed on the outer surface of the valve body, and a limiting block is provided at the end of the rotary luer connector facing the valve body. 10 . , the valve body is inserted into the rotary Luer connector, and the limiting block is embedded in the limiting groove;

And/or, the Y-shaped connector further includes a sealing ring, and the sealing ring is sandwiched between the valve body and the rotary Luer connector.

10. An infusion device, characterized by comprising the Y-type connector according to any one of claims 1 to 9.