CN217015071U

CN217015071U - Adjustable Y valve

Info

Publication number: CN217015071U
Application number: CN202120275555.2U
Authority: CN
Inventors: 王雪莱; 马上安
Original assignee: SCW MEDICATH Ltd
Current assignee: SCW MEDICATH Ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2022-07-22
Anticipated expiration: 2031-01-29

Abstract

The utility model provides an adjustable Y valve, which relates to the technical field of medical auxiliary instruments and comprises a high-pressure connector, a Y valve main body and a rotating head; the high-voltage connector is used for connecting external equipment; one end of the Y valve main body is connected with the high-pressure connector, an inner cavity of the Y valve main body is communicated with an inner cavity of the high-pressure connector, a sealing plug is arranged at the other end of the Y valve main body, and the length of the Y valve main body is adjustable; the rotating head is connected with one end, provided with a sealing plug, of the Y valve body and used for pushing or keeping away from the sealing plug, so that the sealing plug is opened or closed, and after the sealing plug is opened, the inner cavity of the Y valve body is communicated with the inner cavity of the rotating head. The technical problem that the length and the size of an existing Y valve in the prior art are fixed and cannot be adjusted is solved.

Description

Adjustable Y valve

Technical Field

The utility model relates to the technical field of medical auxiliary instruments, in particular to an adjustable Y valve.

Background

The Y valve is an auxiliary device commonly used in the medical field, is mainly used in puncture operations and is matched with a guide wire or a catheter to play a role in preventing bleeding. The general size of current Y valve is fixed, and the puncture operation of different positions and different degree, fixed size's Y valve is not very convenient suitable for, for example, when needing shorter Y valve, the doctor directly cuts some size or increases the medium usually and realizes, and the mode of cutting leads to the piece of shear plane to get into the human body easily, causes the injury to the human body.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an adjustable Y valve, and aims to solve the technical problem that the length and the size of the conventional Y valve are fixed and cannot be adjusted in the prior art.

In order to realize the purpose, the utility model adopts the technical scheme that: providing an adjustable Y-valve comprising:

the high-voltage connector is used for connecting external equipment;

one end of the Y valve main body is connected with the high-pressure connector, an inner cavity of the Y valve main body is communicated with an inner cavity of the high-pressure connector, a sealing plug is arranged at the other end of the Y valve main body, and the length of the Y valve main body is adjustable; and

the rotating head is connected with one end, provided with a sealing plug, of the Y valve body and used for pushing or keeping away from the sealing plug, so that the sealing plug is opened or closed, and after the sealing plug is opened, the inner cavity of the Y valve body is communicated with the inner cavity of the rotating head.

Further, the Y-valve body includes:

one end of the outer pipe is inserted with the high-voltage connector; and

one end of the main pipe is inserted in the outer pipe in a sealing mode and can slide relative to the outer pipe, and the other end of the main pipe is connected with the rotating head.

Furthermore, the inner wall of the outer pipe and the outer wall of the main pipe are connected in a matched mode through a concave-convex structure, and relative sliding is achieved under the action of external force.

Further, be equipped with first internal thread on the inner wall of outer tube be equipped with the first external screw thread of looks adaptation on the outer wall of main part pipe, outer tube and main part pipe are through the screw thread grafting.

Furthermore, a plurality of circles of grooves with semicircular sections are uniformly arranged on the inner wall of the outer pipe along the length direction, at least one matched convex circle inserted into the groove is arranged on the outer wall of the main pipe, the convex circle can be pushed and pulled by means of external force to change the inserted groove to realize the relative movement between the main pipe and the outer pipe, and the outer pipe and the main pipe are both made of PC materials.

Further, Y valve still includes a locking section of thick bamboo with adjustable, a locking section of thick bamboo includes the same great section of internal diameter and outer tube external diameter and the same less section of internal diameter and main part pipe's external diameter, the inner wall of great section is equipped with the second internal thread, be equipped with the second external thread of looks adaptation on the outer wall of outer tube, great section cup joints through the screw thread with the outer tube, less section cup joint on the main part pipe and with main part pipe sliding contact less section one side be equipped with the spacing ring on the main part pipe outer wall.

Further, the high-voltage connector comprises:

the rotating head is provided with a stepped hole at one end and a jack at the other end, a plug is arranged in the jack and used for being connected with external equipment, and the plug is provided with a central hole;

the plug seat is provided with an inner hole, the plug seat is matched with the stepped hole in shape and is inserted into the stepped hole, a sealing ring is arranged between the inner side end of the plug seat and the bottom surface of the stepped hole, after the plug seat is inserted, the inner hole of the plug seat is in butt joint with the central hole of the plug, and the Y valve main body is inserted into the inner hole; and

and the limiting sleeve is sleeved on the rotating head and is used for limiting the plug socket to slide out of the stepped hole.

Furthermore, the rotating head has the ejector pin that pushes away of tube-shape, the sealing plug is located the inside step face department of Y valve main part, the sealing plug has the consent, the ejector pin stretches into to Y valve main part inside, through threaded connection between rotating head and the Y valve main part, it is rotatory through the rotating head, the ejector pin pushes away the sealing plug will the consent extrusion is sealed.

Furthermore, the axial section of the sealing plug is I-shaped, the radial section of the sealing plug is circular, and the step surface and the ejection surface of the ejection head are matched with the end surface of the sealing plug in shape.

Further, the outer end face of rotating head is equipped with the bell mouth, the bell mouth intercommunication the inner chamber of pushing away the top, be equipped with the boss on the rotating head, be equipped with the card platform in the Y valve main part, the card platform is used for the joint the boss prevents the rotating head is followed deviate from in the Y valve main part.

The adjustable Y valve provided by the utility model has the beneficial effects that: compared with the prior art, the length of this Y valve can carry out the regulation of length, has increased application scope, can adopt the Y valve of different length to different operations, greatly increased the degree of convenience of operation.

Drawings

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

FIG. 1 is a schematic diagram of an adjustable Y-valve according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an adjustable Y valve according to another embodiment of the utility model.

In the figure: 1. the high-pressure valve comprises a high-pressure connector, 2, a Y valve body, 3, a sealing plug, 4, a rotating head, 5, an outer pipe, 6, a body pipe, 7, a groove, 8, a convex ring, 9, a locking cylinder, 10, a limiting ring, 11, a rotating head, 12, a plug, 13, a plug socket, 14, a limiting sleeve, 15, a sealing ring, 16, a pushing head, 17, a tapered hole, 18, a boss and 19, a clamping table.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit the utility model.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 and 2, an adjustable Y valve provided by the present invention includes a high pressure connector 1, a Y valve body 2, and a rotating head 4; the high-voltage connector 1 is used for connecting external equipment; one end of the Y valve main body 2 is connected with the high-pressure connector 1, an inner cavity of the Y valve main body is communicated with an inner cavity of the high-pressure connector 1, a sealing plug 3 is arranged at the other end of the Y valve main body, and the length of the Y valve main body 2 is adjustable; the rotating head 4 is connected with one end, provided with a sealing plug 3, of the Y valve body 2 and used for pushing or keeping away from the sealing plug 3, so that the sealing plug 3 is opened or closed, and after the sealing plug is opened, the inner cavity of the Y valve body 2 is communicated with the inner cavity of the rotating head 4.

The embodiment provided by the utility model has the advantages that the length of the Y valve main body 2 can be adjusted, the application range of the operation is greatly enlarged, Y valves with different lengths can be adopted for different operations, and the convenience degree of the operation is greatly increased.

Specifically, the external device in this embodiment may be a puncture needle, the puncture needle is first connected to the high-pressure connector 1, the sealing plug 3 is in a closed state by operating the rotating head 4 before the operation, so that blood is not ejected during the puncture process, the sealing plug 3 is opened by operating the rotating head 4 during the operation, the guide wire passes through the sealing plug 3, and then the sealing plug 3 is closed, so that the guide wire can smoothly pass through the sealing plug 3, enter a blood vessel, and perform an intervention operation, thereby ensuring the success of the puncture operation.

Referring to fig. 1 and 2, as a preferred embodiment of the present embodiment, the Y-valve main body 2 includes:

one end of the outer pipe 5 is inserted with the high-voltage connector 1; and

one end of the main tube 6 is hermetically inserted in the outer tube 5 and can slide relative to the outer tube 5, and the other end is connected with the rotating head 4.

In the embodiment, the outer tube 5 is provided, the outer tube 5 is connected with the high-pressure joint, the main tube 6 is inserted in the outer tube 5 and can slide relative to the outer tube 5, so that the length of the Y-valve main body 2 is adjusted, and the Y-valve main body is still in a relatively sealed state in the sliding process, and the main tube 6 further comprises a side branch which is used for connecting a common syringe and the like, and the side branch is in a closed state or in a state of connecting equipment such as a syringe and the like.

The beneficial effects of this embodiment lie in, simple structure easily operates, and the processing cost is low to the regulation of 2 lengths of Y valve main part has equally can be fine realization.

As a preferred embodiment of this embodiment, the inner wall of the outer tube 5 and the outer wall of the main tube 6 are connected in a fitting manner through a concave-convex structure, and relative sliding is realized under the action of an external force.

In this embodiment, the concave-convex structure is matched and connected with the sealing plate, so that sealing is realized, the concave-convex structure and the sealing plate can move relatively under the action of external force, the positions are adjusted by changing the mutual clamping positions of the concave-convex structure, and further the length is adjusted.

As a preferred embodiment of this embodiment, please refer to fig. 1, a first internal thread is disposed on an inner wall of the outer tube 5, a first external thread adapted to the outer wall of the main tube 6 is disposed on the outer wall of the main tube 6, and the outer tube 5 and the main tube 6 are inserted into each other through a thread.

This embodiment provides a concrete realization form, and outer tube 5 and main part pipe 6 are connected through screw thread fit, when needs adjusting length, then both relative rotations, then can realize the regulation to Y valve main part 2 length.

The beneficial effects of the embodiment are that the implementation means is simple in structure, easy to operate and high in reliability.

As a preferred embodiment of this embodiment, please refer to fig. 2, a plurality of circles of grooves 7 with semicircular cross sections are uniformly formed on the inner wall of the outer tube 5 along the length direction, at least one adaptive convex circle 8 inserted into the groove 7 is formed on the outer wall of the main tube 6, the groove 7 inserted into the convex circle 8 can be changed by pushing and pulling the convex circle 8 by external force, so as to realize the relative movement between the main tube 6 and the outer tube 5, and the outer tube 5 and the main tube 6 are both PC tube bodies.

This embodiment provides another concrete form of realization, specifically, both realize assembly together through recess 7 and the protruding circle 8 of mutual block grafting, this kind of grafting form has realized sealedly to when needs adjusting length, utilize external force, specifically can be the manpower, relative outer tube 5 pulling main part pipe 6, realize the recess 7 that protruding circle 8 transform was pegged graft, realize the regulation of length, outer tube 5 and main part pipe 6 are the PC material, have certain deformability, so can realize relative movement under the external force effect.

As a preferred embodiment of the present embodiment, referring to the two embodiments, the present embodiment further provides a locking measure, specifically, referring to fig. 1 and fig. 2, the adjustable Y valve further includes a locking barrel 9, the locking barrel 9 includes a larger section having an inner diameter the same as the outer diameter of the outer tube 5 and a smaller section having an inner diameter the same as the outer diameter of the main tube 6, the inner wall of the larger section is provided with a second internal thread, the outer wall of the outer tube 5 is provided with a second external thread adapted to the second internal thread, the larger section is sleeved with the outer tube 5 through a thread, the smaller section is sleeved on the main tube 6 and is in sliding contact with the main tube 6, and the outer wall of the main tube 6 on one side of the smaller section is provided with a limit ring 10.

In the present embodiment, when the main tube 6 and the outer tube 5 are in threaded connection, and the length is adjusted by relative rotation between the two, in order to lock the length, the locking cylinder 9 may be rotated to move the smaller section on the main tube 6, and when the limiting ring 10 is touched, the locking cylinder 9 is continuously screwed to push against the limiting ring 10, which is equivalent to pushing against the main tube 6, and the main tube 6 is in threaded connection with the outer tube 5, so that the main tube 6 is locked relative to the outer tube 5, and the operation of locking the length is achieved.

Similarly, when the matching structure of the groove 7 and the convex ring 8 is arranged between the main body pipe 6 and the outer pipe 5, the main body pipe 6 is pushed tightly in the above manner, and it should be noted that the matching structure of the groove 7 and the convex ring 8 is different from the threaded connection, so that the pushing force at the moment is adjusted well, the convex ring 8 is not separated from the groove 7 due to too tight connection, and the locking at the position is only to ensure that the main body pipe 6 cannot shake relative to the outer pipe 5, and the degree of keeping the relative stability between the main body pipe 6 and the outer pipe 5 is achieved. In addition, when the position of the convex ring 8 needs to be changed, the locking barrel 9 can push the limiting ring 10 to move, but the means is not the focus of the embodiment and is only an auxiliary function.

As a preferred embodiment of this embodiment, referring to fig. 1 and fig. 2, the high-voltage connector 1 includes:

a rotating head 11, one end of which is provided with a stepped hole and the other end of which is provided with a jack, wherein a plug 12 is arranged in the jack, the plug 12 is used for connecting with external equipment, and the plug 12 is provided with a central hole;

the plug seat 13 is provided with an inner hole, the plug seat 13 is matched with the stepped hole in shape and is inserted into the stepped hole, a sealing ring 15 is arranged between the inner side end of the plug seat 13 and the bottom surface of the stepped hole, after the plug seat 13 is inserted, the inner hole of the plug seat is butted with the central hole of the plug 12, and the Y-shaped valve main body 2 is inserted into the inner hole; and

and the limiting sleeve 14 is sleeved on the rotating head 11 and is used for limiting the inserting seat 13 to slide out of the stepped hole.

In this embodiment, the plug 12 is used for connecting with an external device, specifically, it may be a puncture needle, the socket 13 is plugged in the stepped hole, and the gap between the plug and the inner wall of the stepped hole is relatively sealed with the fluid channel through the sealing ring 15, the position-limiting sleeve 14 is cylindrical, and the openings at both ends are not the same, the position-limiting sleeve 14 is fixedly sleeved on the rotary head 11 through a large opening, and is sleeved on the socket 13 through a small opening, but is not connected with the socket 13, when the rotary head 11 rotates, the position-limiting sleeve 14 rotates with the rotation, and the socket 13 does not rotate therewith, the position of the socket 13 sleeved by the position-limiting sleeve 14 is not the maximum outer diameter of the socket 13, and the maximum outer diameter of the socket 13 is located in the stepped hole, so the position-limiting sleeve 14 can limit the socket 13 to be removed from the stepped hole.

In addition, the liquid flow channel is formed by the connection of the central hole of the plug 12 and the inner hole of the plug socket 13. One end of the inner hole is large, the other end of the inner hole is small, and the large end is used for being connected with the Y valve main body 2 in an inserting mode.

The effect of this embodiment lies in, assembles closely between each structure, and is rationally distributed, the good reliability.

As a preferred embodiment of this embodiment, please refer to fig. 1 and 2, the rotating head 4 has a cylindrical plug 16, the sealing plug 3 is disposed at a step surface inside the Y valve main body 2, the sealing plug 3 has a plug hole, the plug 16 extends into the Y valve main body 2, the rotating head 4 and the Y valve main body 2 are connected by a screw, and the plug hole is pressed and closed by the plug 16 pushing the sealing plug 3 through rotation of the rotating head 4.

In this embodiment, the rotating head 4 rotates, so that the ejector head 16 enters the Y valve body 2, and further the ejector sealing plug 3 compresses, thereby achieving the operation of closing the plug hole by itself. The stepped surface can effectively block the sealing plug 3, so that the sealing plug can bear ejection force and further deform.

As a preferred embodiment of this embodiment, please refer to fig. 1 and fig. 2, the axial cross section of the sealing plug 3 is i-shaped, the radial cross section is circular, and the step surface and the pushing surface of the pushing head 16 are adapted to the end surface of the sealing plug 3.

In this embodiment, the i-shaped structure can facilitate the positioning of the sealing plug 3, thereby achieving compression.

As a preferred embodiment of this embodiment, a tapered hole 17 is formed in an outer end surface of the rotary head 4, the tapered hole 17 communicates with an inner cavity of the ejector head 16, a boss 18 is formed on the rotary head 4, a clamping table 19 is formed on the Y valve body 2, and the clamping table 19 is used for clamping the boss 18 to prevent the rotary head 4 from falling off from the Y valve body 2.

In the embodiment, the Y valve body 2 is communicated with the inner cavity of the ejector 16 and the conical hole 17 through the plug hole of the sealing plug 3 to form a channel, and when the plug hole is closed, the channel is closed.

The adjustable Y valve provided by the utility model has the beneficial effects that: compared with the prior art, the length of this Y valve can carry out the regulation of length, has increased application scope, can adopt the Y valve of different length to different operations, greatly increased the degree of convenience of operation, whole simple structure is compact moreover, and the reliability is better.

The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the utility model, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims

1. The adjustable Y valve is characterized by comprising:

the high-voltage connector is used for connecting external equipment;

2. The adjustable Y-valve of claim 1, wherein the Y-valve body comprises:

one end of the outer pipe is inserted with the high-voltage connector; and

3. The adjustable Y valve as claimed in claim 2, wherein the inner wall of the outer tube and the outer wall of the main tube are connected by a concave-convex structure in a matching manner, and relative sliding is realized under the action of external force.

4. The adjustable Y valve as claimed in claim 3, wherein a first internal thread is provided on the inner wall of the outer tube, a first external thread adapted to the outer wall of the main tube, and the outer tube and the main tube are connected by a screw thread.

5. The adjustable Y valve as claimed in claim 3, wherein a plurality of circles of grooves with semicircular cross-sections are uniformly formed on the inner wall of the outer tube along the length direction, at least one adaptive convex circle inserted into the groove is formed on the outer wall of the main tube, the groove where the convex circle can be inserted can be changed by pushing and pulling the convex circle by means of external force to realize the relative movement between the main tube and the outer tube, and the outer tube and the main tube are both made of PC material.

6. The adjustable Y valve according to claim 4 or 5, further comprising a locking barrel, wherein the locking barrel comprises a larger section with the same inner diameter as the outer diameter of the outer tube and a smaller section with the same inner diameter as the outer diameter of the main tube, a second internal thread is arranged on the inner wall of the larger section, a second external thread matched with the outer wall of the outer tube is arranged on the outer wall of the outer tube, the larger section is sleeved with the outer tube through a thread, the smaller section is sleeved on the main tube and is in sliding contact with the main tube, and a limit ring is arranged on the outer wall of the main tube on one side of the smaller section.

7. The adjustable Y-valve of claim 1, wherein the high pressure connection comprises:

8. The adjustable Y valve as claimed in claim 1, wherein the rotating head has a cylindrical ejector head, the sealing plug is disposed at a step surface inside the Y valve body, the sealing plug has a plug hole, the ejector head extends into the Y valve body, the rotating head and the Y valve body are connected by a screw thread, and the plug hole is pressed and closed by the ejector head ejecting the sealing plug through rotation of the rotating head.

9. The adjustable Y-valve of claim 8 wherein the axial cross-section of the plug is i-shaped and the radial cross-section is circular, the step surface and the ejector surface of the ejector being shaped to match the end surface of the plug.

10. The adjustable Y-valve according to claim 9, wherein a tapered hole is formed on an outer end surface of the rotary head, the tapered hole communicates with an inner cavity of the ejector head, a boss is formed on the rotary head, and a locking platform is formed on the Y-valve body and is used for locking the boss to prevent the rotary head from falling off the Y-valve body.