Luer connector, method of assembly and ercp surgical robot
By designing the rotational fit of the Luer joint C-type connector and the closed ring, the problem of inconvenient guidewire fixation is solved, and the rapid installation and removal of the guidewire is achieved. It is suitable for a variety of instruments and improves the operation convenience of the ERCP surgical robot.
Patent Information
- Application Number
- CN202310513830.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-05-08
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2043-05-08
AI Technical Summary
In the prior art, it is inconvenient to fix the guide wire on the Luer connector of instruments such as catheters, dilation balloons, stone removal balloons, and baskets, and when replacing the guide wire, it needs to be pulled from the tail end, which makes the operation inconvenient.
A Luer C-type connector is designed. The rotational fit between the C-type connector and the closed ring enables rapid fixation and removal of the guidewire. Combined with the connector fixing seat, it can be quickly replaced and is suitable for a variety of instruments.
It realizes the rapid installation and removal of the guide wire, is applicable to a variety of instruments, is easy to operate, and avoids the inconvenience of pulling from the tail end of the guide wire.
Smart Images

Figure CN116531652B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of medical devices, and in particular to a Luer C-type connector, an assembly method, and an ERCP surgical robot. Background Art
[0002] The present invention relates to the field of endoscopic retrograde cholangiopancreatography (ERCP) surgical robots, which belongs to the field of medical devices. Specifically, an ERCP surgical robot needs to realize the function of pushing a guidewire catheter. In order to realize the automatic pushing function of the guidewire in a catheter, dilatation balloon, lithotripsy balloon, basket, or other instrument, it is necessary to quickly fix the Luer connector of the catheter, dilatation balloon, lithotripsy balloon, basket, or other instrument to the front end of the guidewire pushing device. In this case, it is necessary to design a quick-change connector for connecting the Luer connector. In addition to the function of fixing the Luer connector, it is also possible to align the guidewire with the pushing device. However, the guidewire is often relatively long. If the connector is a closed cylindrical shape, the connector must be pulled from the tail end of the very long guidewire, which is particularly inconvenient to replace. Summary of the Invention
[0003] In view of the defects in the prior art, the purpose of the present invention is to provide a Luer C-connector, an assembly method and an ERCP surgical robot.
[0004] According to the present invention, a Luer connector C-type connector includes a Luer connector, a C-type connector, a closed loop, a guidewire, a connector fixing seat, a fixing seat, and a guidewire pushing device. The Luer connector is connected to the C-type connector, the C-type connector is connected to the closed loop, the C-type connector is connected to the connector fixing seat, and the connector fixing seat and the guidewire pushing device are respectively connected to the fixing seat.
[0005] The guide wire pushing device pushes the guide wire so that the guide wire passes through the closed loop, the C-type connector and the Luer connector in sequence, and the guide wire is fixed in the C-type connector by rotating the closed loop.
[0006] Preferably, the C-type connector is in the shape of an open column.
[0007] Preferably, one end of the C-type connector is provided with an internal thread, which is adapted to the external thread on the Luer connector, and one end of the C-type connector is rotationally connected to the Luer connector through the cooperation of the internal thread and the external thread.
[0008] Preferably, the closing ring is clamped on the other end of the C-type connector to enable the closing ring to rotate.
[0009] Preferably, the closed loop rotates within a range of 0-360°.
[0010] Preferably, an opening is provided on the closed loop;
[0011] When the opening of the closed loop is kept at the same level as the opening of the C-type connector, the guidewire is directly installed in the C-type connector;
[0012] When the closing ring is rotated so that the opening of the closing ring is offset from the opening of the C-type connector, the guide wire is fixed in the C-type connector and cannot fall out from the opening of the C-type connector.
[0013] Preferably, a card slot is provided on the connector fixing seat, and the middle part of the C-type connector is card-engaged in the card slot.
[0014] Preferably, the slot includes a slot opening and an arc-shaped slot, the end of the arc-shaped slot is provided with a slot opening, and the size of the slot opening is smaller than the circumferential diameter of the arc-shaped slot.
[0015] A method for assembling a Luer C-type connector comprises the following steps:
[0016] S1. Rotate the closing ring so that the opening of the closing ring is consistent with the opening of the C-type connector;
[0017] S2. Insert one end of the guidewire from the Luer connector into the opening of the C-connector.
[0018] S3. Rotate the closing ring so that the opening of the closing ring is offset from the opening of the C-type connector, so that the guide wire cannot escape from the opening of the C-type connector;
[0019] S4. Screw the internal thread on one end of the C-type connector into the Luer connector and tighten it;
[0020] S5. Insert the connected device into the slot on the connector fixing seat through the C-type connector to fix it.
[0021] The present invention also provides an ERCP surgical robot, comprising a Luer connector C-type connector.
[0022] Compared with the prior art, the present invention has the following beneficial effects:
[0023] The present invention has a simple structure, adopts a C-type connector and a closed loop connection, can be used as a consumable, and can be quickly replaced; it is suitable for most instruments with Luer connectors and is highly practical; it does not require traction from the tail of the guidewire, and only needs to be installed from any middle section of the guidewire, which is convenient to use; the open cylindrical C-type connector realizes rapid installation of the guidewire. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Other features, objects and advantages of the present invention will become more apparent upon reading the detailed description of non-limiting embodiments with reference to the following drawings:
[0025] Figure 1 It is an assembly diagram of the present invention;
[0026] Figure 2 It is a schematic diagram of the local structure of the present invention;
[0027] Figure 3 Schematic diagram and cross-sectional view of the C-type connector structure in the present invention;
[0028] Figure 4 Schematic diagram of the closed loop structure in the present invention;
[0029] Figure 5 Schematic diagram of the connection between the closed loop and the C-type connector in the present invention;
[0030] Figure 6 Schematic diagram of the connection between the Luer connector and the C-type connector in the present invention;
[0031] Figure 7 A schematic diagram of the connection between the C-type connector and the connector fixing seat in the present invention;
[0032] Figure 8 It is a structural schematic diagram of the connector fixing seat in the present invention.
[0033] Numbers in the figure:
[0034] 1. Luer connector, 2. C-type connector, 3. Closing ring, 4. Guidewire, 5. Connector holder, 6. Holder, 7. Guidewire pusher. DETAILED DESCRIPTION
[0035] The present invention will be described in detail below with reference to specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but are not intended to limit the present invention in any form. It should be noted that, for those skilled in the art, several changes and improvements can be made without departing from the scope of the present invention. These all fall within the scope of protection of the present invention.
[0036] Example 1
[0037] According to the present invention, a Luer connector C-type connector is provided. Figure 1-8As shown, it includes a Luer connector 1, a C-type connector 2, a closing ring 3, a guidewire 4, a connector holder 5, a fixing seat 6, and a guidewire pushing device 7. The connector holder 5 and the guidewire pushing device 7 are respectively connected to the fixing seat 6. The guidewire 4 is pushed by the guidewire pushing device 7, so that the guidewire 4 passes through the closing ring 3, the C-type connector 2, and the Luer connector 1 in sequence. By rotating the closing ring 3, the guidewire 4 is fixed in the C-type connector 2 and cannot fall out of the opening. The C-type connector 2 is an open column, which allows for quick installation of the middle part of the guidewire 4. One end of the C-type connector 2 is provided with an internal thread that mates with the external thread on the Luer connector 1. The internal and external threads cooperate to rotate the C-type connector 2 to connect to the Luer connector 1. The closing ring 3 is fixed to the other end of the C-type connector 2. The closing ring 3 has an opening and can rotate 360 degrees to close the opening of the C-type connector 2. When the opening of the closed ring 3 and the opening of the C-type connector 2 are kept on the same horizontal line, the guide wire 4 is directly installed in the C-type connector 2; when the closed ring 3 is rotated so that the opening of the closed ring 3 and the opening of the C-type connector 2 are offset, the guide wire 4 is fixed in the C-type connector 2 and the guide wire 4 cannot fall off from the opening of the C-type connector 2.
[0038] The connector holder 5 is provided with a slot into which the middle portion of the C-type connector 2 is snapped. The slot includes a slot opening and an arcuate slot. The end of the arcuate slot has a slot opening. The slot opening is smaller than the circumference of the arcuate slot, enabling quick attachment and removal of the C-type connector 2. Preferably, the instruments connected to the C-type connector 2 are not limited to catheters, dilation balloons, lithotomy balloons, baskets, etc., but may also be other surgical instruments.
[0039] Example 2
[0040] The present invention also provides an assembly method of the Luer connector C-type connector in Example 1, such as Figure 1-8 As shown, the following steps are included:
[0041] S1. Rotate the closing ring 3 so that the opening of the closing ring 3 is aligned with the opening of the C-type connector 2;
[0042] S2. Insert one end of the guide wire 4 from the Luer connector 1 into the opening of the C-type connector 2;
[0043] S3. Rotate the closing ring 3 so that the opening of the closing ring 3 is offset from the opening of the C-type connector 2, so that the guide wire 4 cannot escape from the opening of the C-type connector 2;
[0044] S4. Screw the internal thread on one end of the C-type connector 2 into the Luer connector 1 and tighten it;
[0045] S5. The connected device is inserted into the slot on the connector fixing seat 5 via the C-type connector 2 and fixed.
[0046] More specifically, when the device with the Luer connector is fixed, the guide wire 4 can be pushed by the guide wire pushing device 7 .
[0047] Example 3
[0048] The present invention also provides an ERCP surgical robot, comprising the Luer connector C-type connector in Example 1.
[0049] In the description of this application, it should be understood that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.
[0050] The above describes specific embodiments of the present invention. It should be understood that the present invention is not limited to the specific embodiments described above, and those skilled in the art may make various changes or modifications within the scope of the claims, which do not affect the essence of the present invention. The embodiments of this application and the features in the embodiments may be combined with each other in any manner unless there is a conflict.
Claims
1. A Luer C-type connector, characterized in that: The invention comprises a Luer connector (1), a C-type connector (2), a closed loop (3), a guide wire (4), a connector fixing seat (5), a fixing seat (6), and a guide wire pushing device (7), wherein the Luer connector (1) is connected to the C-type connector (2), the C-type connector (2) is connected to the closed loop (3), the C-type connector (2) is connected to the connector fixing seat (5), and the connector fixing seat (5) and the guide wire pushing device (7) are respectively connected to the fixing seat (6); The guide wire pushing device (7) pushes the guide wire (4) so that the guide wire (4) passes through the closed loop (3), the C-type connector (2) and the Luer connector (1) in sequence, and the guide wire (4) is fixed in the C-type connector (2) by rotating the closed loop (3); The C-shaped connector (2) is in the shape of an open column; an opening is provided on the closed ring (3); when the opening of the closed ring (3) and the opening of the C-shaped connector (2) are kept on the same horizontal line, the guide wire (4) is directly installed in the C-shaped connector (2); When the closed ring (3) is rotated so that the opening of the closed ring (3) is offset from the opening of the C-type connector (2), the guide wire (4) is fixed in the C-type connector (2), and the guide wire (4) cannot fall out of the opening of the C-type connector (2).
2. The Luer C-type connector according to claim 1, wherein: The C-type connector (2) is in the shape of an open column.
3. The Luer C-type connector according to claim 2, wherein: One end of the C-type connector (2) is provided with an internal thread, and the internal thread is adapted to the external thread on the Luer connector (1). One end of the C-type connector (2) is rotatably connected to the Luer connector (1) through the cooperation of the internal thread and the external thread.
4. The Luer C-type connector according to claim 3, characterized in that: The closed loop (3) is clamped on the other end of the C-type connector (2), causing the closed loop (3) to rotate.
5. The Luer C-type connector according to claim 4, characterized in that: The rotation range of the closed loop (3) is 0-360°.
6. The Luer C-type connector according to claim 4, wherein: The closed loop (3) is provided with an opening; When the opening of the closed loop (3) and the opening of the C-type connector (2) are kept on the same horizontal line, the guide wire (4) is directly installed in the C-type connector (2); When the closed ring (3) is rotated so that the opening of the closed ring (3) is offset from the opening of the C-type connector (2), the guide wire (4) is fixed in the C-type connector (2), and the guide wire (4) cannot fall out of the opening of the C-type connector (2).
7. The Luer C-type connector according to claim 1, wherein: The connector fixing seat (5) is provided with a card slot, and the middle part of the C-type connector (2) is card-engaged in the card slot.
8. The Luer C-type connector according to claim 7, wherein: The clamping slot comprises a clamping slot opening and an arc-shaped slot. The end of the arc-shaped slot is provided with a clamping slot opening. The opening size of the clamping slot is smaller than the circumferential diameter of the arc-shaped slot.
9. An assembly method using the Luer C-type connector according to any one of claims 1 to 8, characterized in that: The steps include: S1, rotating the closed ring (3) so that the opening of the closed ring (3) is consistent with the opening of the C-type connector (2); S2. Insert one end of the guide wire (4) coming out of the Luer connector (1) into the opening of the C-type connector (2); S3, rotating the closed ring (3) so that the opening of the closed ring (3) is offset from the opening of the C-type connector (2), so that the guide wire (4) cannot escape from the opening of the C-type connector (2); S4, screwing the internal thread on one end of the C-type connector (2) into the Luer connector (1) and tightening it; S5. The connected device is inserted into the slot on the connector fixing seat (5) through the C-type connector (2) and fixed.
10. An ERCP surgical robot, characterized in that: A Luer C-type connector comprising the Luer C-type connector according to any one of claims 1 to 8.
Citation Information
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