Y-shaped connector

Abstract

The connector comprises a guide pipe, a main pipe and a side pipe, the guide pipe and the main pipe are coaxially communicated and connected, and the side pipe is connected to the side portion of the guide pipe. The outer wall of the main pipe is fixedly connected with a sealing piece, so that the sealing piece compresses the main pipe to deform and seal the main pipe. The problems that in the prior art, a Y-shaped connecting pipe is generally sealed through spiral tightening or spring pressing, spiral tightening sealing mainly depends on the hand feeling of an operation operator, bolt operation is complex, and sealing control difficulty is large; when the guide wire passes through, the pressing force of a spring is easy to rebound, the sealing effect is poor, and liquid is easy to leak. According to the Y-shaped connector, the overall structural design is simple, the sealing effect on the main pipe is reasonably and adjustably achieved through the sealing piece, operation is convenient, and meanwhile the good sealing effect can be achieved; and meanwhile, different gear sealing can be realized through different limiting grooves of the sliding strip, when multiple wires enter, rapid sealing is still realized, and the sealing effect is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of structural design of medical devices used in interventional surgery, in particular to a Y-shaped connector. Background Art

[0002] PCI therapy (percutaneous coronary intervention) refers to a treatment method that uses cardiac catheter technology to clear narrowed or even occluded coronary artery lumen, thereby improving myocardial blood perfusion. PCI therapy has the advantages of short treatment course, less trauma, and significant efficacy, so it is more and more widely used.

[0003] With the popularization and maturity of interventional surgical treatment technology, the requirements for medical devices used in surgery are becoming increasingly higher.

[0004] The existing Y-type connectors of medical devices are used to insert the guidewire catheter from the main tube during surgery, and the side tube is used for pressure measurement and drug injection. As the surgery becomes more and more complicated, more and more guidewire instruments are inserted into the main tube, resulting in poor closure of the main tube, which leads to inaccurate pressure measurement, easy bleeding at the main tube, and of course, poor sealing is also prone to air leakage.

[0005] In the prior art, there are some improved designs for the Y-type connecting tube, such as sealing by tightening the screw, which can achieve a good sealing effect, but is difficult to control and inconvenient to operate. There is also a press-to-seal structure, which can be easily operated, but the spring rebound performance causes the seal of the Y-type connecting tube to be supported and rebounded by the guide wire, reducing the sealing effect.

[0006] It can be seen that in the prior art, the Y-type connecting tube is generally sealed by spiral tightening or pressing the spring. Among them, the spiral tightening seal mainly relies on the surgical operator's hand feel to seal, the bolt operation is relatively complicated, and the sealing control is difficult; the pressing seal is due to the spring pressing force easily rebounding when the guide wire passes through, the sealing effect is poor, and it is easy to leak. Utility Model Content

[0007] In view of this, the main purpose of the utility model is to provide a Y-type connector which has a simple overall structural design, is easy to operate, and can achieve a good sealing effect; when multiple wires enter, it can still achieve rapid sealing and ensure the sealing effect.

[0008] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0009] The Y-type connector comprises: a conduit, a main pipe and a side pipe, wherein the conduit and the main pipe are coaxially connected, and the side pipe is connected to the side of the conduit;

[0010] The outer wall of the main pipe is fixedly connected to a sealing member, so that the sealing member presses the main pipe tightly to deform and seal the main pipe.

[0011] In a preferred embodiment, the sealing member includes: a control member, a sliding bar and a pressing member, the pressing member is hinged on one side of the outer wall of the main pipe, and the other side of the outer wall of the main pipe is fixedly connected to the control member, and the end of the pressing member away from the hinge is fixedly connected to the sliding bar, and the sliding bar passes through the control member, and the control member limits the sliding of the sliding bar so that the sliding bar pulls the pressing member to press the main pipe.

[0012] In a preferred embodiment, the size of the main pipe is larger than that of the conduit, one side of the inner wall of the main pipe is arc-shaped, and the other side of the inner wall of the main pipe is groove-shaped, and the diameter of the groove of the main pipe is the same as the diameter of the conduit;

[0013] In a preferred embodiment, the middle portion of the pressing member is a convex structure, and the convex structure and the groove have the same structural size.

[0014] In a preferred embodiment, the pressing piece is hinged at the junction of the arc-shaped main pipe and the groove-shaped main pipe, and the pressing piece is arranged on one side of the arc-shaped main pipe.

[0015] In a preferred embodiment, the control member is fixedly connected to the groove-shaped outer wall of the main pipe.

[0016] In a preferred embodiment, the control member includes: a connecting platform and a limiting member, the connecting platform is fixedly connected to the outer wall of the main pipe, the limiting member passes through the connecting platform, and the lower end of the limiting member limits the sliding bar.

[0017] In a preferred embodiment, the lower end of the limiting member is connected to a limiting convex strip, and the lower end of the limiting convex strip cooperates with a limiting groove provided on the upper side of the sliding bar.

[0018] In a preferred embodiment, the length of the limiting convex strip is the same as the width of the sliding strip.

[0019] In a preferred embodiment, a clamping spring is sleeved on the outer wall of the limit member, and the lower end of the clamping spring pushes the limit convex strip. The connecting platform is integrally formed with a convex ring on the side close to the limit member, and the upper end of the clamping spring is supported on the lower side of the convex ring.

[0020] In a preferred embodiment, connecting rings are protrudingly provided on the outer wall of the main pipe at both sides of the clamping member, the clamping member is hinged between the two connecting rings, and the control member is fixedly connected between the two connecting rings.

[0021] The Y-type connector of the utility model has the following beneficial effects:

[0022] The Y-shaped connector comprises: a conduit, a main pipe and a side pipe. The conduit and the main pipe are coaxially connected, and the side pipe is connected to the side of the conduit. The outer wall of the main pipe is fixedly connected with a sealing member so that the sealing member presses the main pipe to deform and seal the main pipe.

[0023] In the prior art, the Y-type connecting tube is generally sealed by spiral tightening or pressing the spring. The spiral tightening seal mainly relies on the surgical operator's hand feel to seal, the bolt operation is relatively complicated, and the sealing control is difficult; the pressing seal is due to the spring pressing force easily rebounding when the guide wire passes through, the sealing effect is poor, and it is easy to leak.

[0024] The Y-type connector has a simple overall structural design and can reasonably seal the main pipe through the adjustable sealing member, which is convenient to operate and can achieve a good sealing effect. At the same time, different gear sealing can be achieved through different limit grooves of the sliding bar. When multiple wires enter, rapid sealing can still be achieved and the sealing effect is guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 is a schematic structural diagram of a Y-type connector according to an embodiment of the present disclosure;

[0027] Figure 2 is a front view of a Y-shaped connector according to an embodiment of the present disclosure;

[0028] Figure 3 for Figure 2 A cross-sectional view of a Y-type connector at a sealing member according to an embodiment of the present disclosure is shown;

[0029] Figure 4 for Figure 3 A schematic structural diagram of a Y-shaped connector according to an embodiment of the present disclosure when a pressing member is opened;

[0030] Figure 5 The figure is a schematic diagram of the connection relationship between the limiting member and the limiting convex strip of the Y-type connector according to an embodiment of the present disclosure.

[0031]

Main component symbol description

[0032] 1. Catheter; 2. Main tube; 3. Side tube;

[0033] 4. Seals;

[0034] 41. Control member; 42. Sliding bar; 43. Pressing member;

[0035] 44. Connecting platform; 45. Position limiting member; 46. Position limiting convex strip;

[0036] 47. Limiting groove; 48. Compression spring;

[0037] 5. Connecting ring. DETAILED DESCRIPTION

[0038] The Y-type connector of the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments of the present invention.

[0039] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0040] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0041] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0042] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0043] like Figure 1-Figure 5 As shown, the Y-type connector includes: a catheter 1, a main tube 2 and a side tube 3. The catheter 1 and the main tube 2 are coaxially connected to ensure that the guide wire is in a coaxial straight state with the catheter 1 during the interventional surgery, thereby avoiding the influence on the guide wire operation. The side tube 3 is connected to the side of the catheter 1;

[0044] In order to seal the main pipe 2 inserted into the guide wire, improve the sealing effect and meet the requirements of the operation, the outer wall of the main pipe 2 is fixedly connected to the sealing member 4, so that the sealing member 4 presses the main pipe 2 to deform and seal the main pipe 2.

[0045] In order to facilitate the operation of the sealing member 4, it can be sealed at different gears to meet the use of different sealing requirements. The sealing member 4 includes: a control member 41 that satisfies the sealing control limit function, a sliding bar 42 that pulls the pressing member 43 to press the sealing function, and a pressing member 43 that cooperates with the inner wall of the main pipe 2 for sealing. The pressing member 43 is hinged on one side of the outer wall of the main pipe 2, and the other side of the outer wall of the main pipe 2 is fixedly connected to the control member 41. The pressing member 43 is fixedly connected to the sliding bar 42 at one end away from the hinge. The sliding bar 42 passes through the control member 41. The control member 41 limits the sliding of the sliding bar 42, so that the sliding bar 42 pulls the pressing member 43 to press the main pipe 2. Multiple limit gears are set by the sliding bar 42 to meet the cooperation between multiple gears and the control member 41, so that the adjustment of different gears can be achieved during the pulling process.

[0046] The sliding bar 42 is preferably made of a flexible plastic material, which can be adjusted in coordination with the control member and can be bent within a certain range to facilitate the pulling of the sliding bar.

[0047] In order to cooperate with the pressing member 43, a matching structure is provided on the inner wall of the main tube 2, and the guide wire can pass smoothly. The size of the main tube 2 is larger than that of the catheter 1. One side of the inner wall of the main tube 2 is in an arc shape, and the other side of the inner wall of the main tube 2 is in a groove shape. The diameter of the groove of the main tube 2 is the same as the diameter of the catheter 1.

[0048] The middle part of the pressing member 43 is a convex structure, and the convex structure and the groove have the same structural size.

[0049] The arc-shaped main pipe 2 is just a simple outer wall of the main pipe 2 , and has a relatively thin-walled structure, which can conveniently meet the compression and sealing function of the compression member 43 .

[0050] Since the main tube 2 is made of medical flexible material, it can meet the compression deformation sealing function of the compression member 43. Moreover, when the protruding structure of the compression member 43 is pressed into the main tube 2 with a groove structure, the groove can be compressed and deformed to embed the guide wire, thereby further improving the sealing effect.

[0051] In order to match the structure of the main pipe 2, the pressing member 43 is ensured to press the side of the main pipe 2 with a relatively thin wall thickness during the pressing process. The pressing member 43 is hinged at the junction of the arc-shaped main pipe 2 and the groove-shaped main pipe 2, and the pressing member 43 is arranged on one side of the arc-shaped main pipe 2. Therefore, the pressing member 43 can press and seal the arc-shaped main pipe 2 during the rotation and pressing process.

[0052] In order to improve the pressing bearing capacity of the control member 41 and the connection strength of the control member 41, the control member 41 is fixedly connected to the outer wall of the groove-shaped main pipe 2. In the process of pressing the sliding bar 42, the bottom of the sliding bar 42 is supported by the thicker main pipe 2 to ensure the support strength and avoid deformation, so as to meet the limit function of the sliding bar 42.

[0053] In order to facilitate the connection function of the control member 41 and to satisfy the limit function of the sliding bar 42, the control member 41 includes: a connecting platform 44 fixedly connected to the outer wall of the main pipe 2 and a limit member 45 for limiting the sliding bar 42. The connecting platform 44 is fixedly connected to the outer wall of the main pipe 2, and the limit member 45 passes through the connecting platform 44. The lower end of the limit member 45 limits the sliding bar 42.

[0054] In order to improve the limiting effect of the limiting member 45 on the sliding bar 42, ensure the limiting stability, and avoid the possibility of the sliding bar 42 slipping due to the small limiting size, the lower end of the limiting member 45 is connected to the limiting convex strip 46, and the lower end of the limiting convex strip 46 cooperates with the limiting groove 47 opened on the upper side of the sliding bar 42. The long limiting convex strip 46 ensures the matching length with the sliding bar 42, and improves the stability of the limiting of the sliding bar 42.

[0055] Preferably, in order to ensure the maximum length of the limiting convex strip 46 under the condition that the structure allows, the length of the limiting convex strip 46 is the same as the width of the sliding bar 42.

[0056] Furthermore, the entire sliding bar 42 is limited by the limiting convex strip 46, so that the stability of the sliding bar 42 can be ensured. In particular, when limiting, the sliding bar 42 will not shake, thereby improving the compression and sealing effect.

[0057] In order to promote the pushing effect of the limiter 45, especially in the natural state, the limiter convex strip 46 is pressed to ensure the matching stability between the limiter convex strip 46 and the sliding strip 42. The outer wall of the limiter 43 is sleeved with a pressing spring 48, the lower end of the pressing spring 48 pushes the limiter convex strip 46, and the connecting platform 44 is integrally formed with a convex ring 49 on the side close to the limiter 45, and the upper end of the pressing spring 48 is supported on the lower side of the convex ring 49. In this way, the pressing effect of the pressing spring 48 on the limiter convex strip 46 is ensured to ensure the matching between the limiter convex strip 46 and the sliding strip 42. When the pressing needs to be released, the upper end of the limiter 43 can be pulled to compress the spring, and the limiter convex strip 46 and the sliding strip 42 can be separated, thereby satisfying the operation of releasing the pressing.

[0058] In order to facilitate the connection strength of the connecting platform 44. Further, the sliding bar 42 can be guided to ensure that the sliding bar 42 is limited within the set cavity range to avoid misoperation of the sliding bar 42. At both sides of the pressing member 43, a connecting ring 5 is protruded from the outer wall of the main pipe 2, the pressing member 43 is hinged between the two connecting rings 5, and the control member 41 is fixedly connected between the two connecting rings 5. The width of the sliding bar 42 is the same as the spacing of the connecting rings 5, and the arc-shaped sliding bar 42 is wound between the two connecting rings 5.

[0059] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. A Y-type connector, characterized in that: include: A conduit (1), a main pipe (2) and a side pipe (3), wherein the conduit (1) and the main pipe (2) are coaxially connected, and the side pipe (3) is connected to the side of the conduit (1); The outer wall of the main pipe (2) is fixedly connected to a sealing member (4), so that the sealing member (4) presses the main pipe (2) to deform and seal the main pipe (2).

2. The Y-type connector according to claim 1, characterized in that: The sealing member (4) comprises: a control member (41), a sliding bar (42) and a pressing member (43); one side of the outer wall of the main pipe (2) is hinged to the pressing member (43); the other side of the outer wall of the main pipe (2) is fixedly connected to the control member (41); one end of the pressing member (43) away from the hinge is fixedly connected to the sliding bar (42); the sliding bar (42) passes through the control member (41); the control member (41) limits the sliding of the sliding bar (42) so that the sliding bar (42) pulls the pressing member (43) to press the main pipe (2).

3. The Y-type connector according to claim 2, characterized in that: The size of the main pipe (2) is larger than that of the conduit (1); one side of the inner wall of the main pipe (2) is in the shape of an arc, and the other side of the inner wall of the main pipe (2) is in the shape of a groove; the diameter of the groove of the main pipe (2) is the same as the diameter of the conduit (1); The middle part of the pressing piece (43) is a convex structure, and the convex structure and the groove have the same structural dimensions.

4. The Y-type connector according to claim 3, characterized in that: The pressing piece (43) is hinged at the junction of the arc-shaped main pipe (2) and the groove-shaped main pipe (2), and the pressing piece (43) is arranged on one side of the arc-shaped main pipe (2).

5. The Y-type connector according to claim 4, characterized in that: The control member (41) is fixedly connected to the outer wall of the groove-shaped main pipe (2).

6. The Y-type connector according to any one of claims 2 to 5, characterized in that: The control member (41) comprises: a connecting platform (44) and a limiting member (45); the connecting platform (44) is fixedly connected to the outer wall of the main pipe (2); the limiting member (45) passes through the connecting platform (44); and the lower end of the limiting member (45) limits the sliding bar (42).

7. The Y-type connector according to claim 6, characterized in that: The lower end of the limiting member (45) is connected to a limiting convex strip (46), and the lower end of the limiting convex strip (46) cooperates with a limiting groove (47) provided on the upper side of the sliding strip (42).

8. The Y-shaped connector according to claim 7, characterized in that: The length of the limiting convex strip (46) is the same as the width of the sliding strip (42).

9. The Y-type connector according to claim 8, characterized in that: The outer wall of the limiting member (45) is sleeved with a clamping spring (48), the lower end of the clamping spring (48) pushes the limiting convex strip (46), and the connecting platform (44) is integrally formed with a convex ring (49) on the side close to the limiting member (45), and the upper end of the clamping spring (48) is supported on the lower side of the convex ring (49).

10. The Y-type connector according to any one of claims 2 to 5, characterized in that: At both sides of the clamping member (43), the outer wall of the main pipe (2) is provided with connecting rings (5), the clamping member (43) is hinged between the two connecting rings (5), and the control member (41) is fixedly connected between the two connecting rings (5).

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