CN220877492U

CN220877492U - Vascular sheath group

Info

Publication number: CN220877492U
Application number: CN202322101578.3U
Authority: CN
Inventors: 陈若; 徐晗
Original assignee: Zhuzhou Maowu Medical Technology Co ltd
Current assignee: Zhuzhou Maowu Medical Technology Co ltd
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2024-05-03
Anticipated expiration: 2033-08-07

Abstract

The utility model relates to the technical field of medical instruments, in particular to a vascular sheath group, which comprises a sheath tube, wherein the outer wall of the sheath tube is provided with scale marks, a mark developing ring is arranged in the sheath tube, an inner core tube is movably connected in the sheath tube, a connecting cover is fixedly connected to the top of the inner core tube, a concave edge is fixedly connected to the top of the connecting cover, a connector is fixedly connected to the top of the concave edge, a core pipe head is fixedly connected to the top of the connector, an inner core pipeline is fixedly connected to the inner core pipe head, an hourglass type inner core channel is fixedly connected to the inner core pipeline, a clamping groove is fixedly connected to the inner part of the inner core pipeline, a catheter is movably connected to the inner part of the clamping groove, and when the improved sheath group is used for radiography, the mark developing ring is more clear, so that the profile of the whole vascular sheath group is more clear, and the mark developing ring is arranged at equal intervals along the trend of the sheath tube and is provided with a device which is convenient for assisting in aligning and entering of a puncture needle.

Description

Vascular sheath group

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a vascular sheath group.

Background

The vascular interventional operation process is generally advanced action pulse puncture, after the puncture is completed, a guide wire is inserted into a blood vessel through a puncture needle, then an inner core tube vascular sheath is inserted into the blood vessel through the guide wire, the guide wire and the inner core tube are pulled out, then a microcatheter inserted with a contrast guide wire is inserted into the blood vessel through the vascular sheath, then the microcatheter is conveyed along the contrast guide wire, when the microcatheter reaches a target blood vessel, the contrast guide wire is pulled out, and finally drug infusion or embolism treatment is carried out.

However, the existing vascular sheath of the vascular sheath group lacks a mark developing ring, so that doctors cannot quickly, conveniently and accurately know the insertion depth of the vascular sheath group, even if DAS, B-ultrasonic and CT are performed to check the position of the vascular sheath group, the developing of the vascular sheath group is not clear when the DAS, B-ultrasonic and CT developing inspection is performed due to the material of the vascular sheath group, and a puncture needle cannot be aligned in a pipeline, so that the duration of an operation is influenced.

The inventors found that the following problems exist in the prior art in the process of implementing the present utility model: 1. the visualization of the conventional vascular sheath is not clear, affecting the progress of the procedure 2, and the accuracy of the alignment of the needle, as it may not be possible for conventional needles to be aligned inside the canal.

Disclosure of utility model

The utility model aims to provide a vascular sheath group so as to solve the problems that the prior art provides that the traditional possible vascular sheath group is not clear in development and a puncture needle cannot be aligned, so that the operation progress and the puncture needle alignment accuracy are affected. In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a vascular sheath group, includes the sheath, the outer wall of sheath is equipped with the scale mark, the inside of sheath is equipped with the mark and develops the ring, the inside swing joint of sheath has the inner core pipe, the top fixedly connected with of inner core pipe connects the lid, the top fixedly connected with concave edge of connecting the lid, the top fixedly connected with connector of concave edge, the top fixedly connected with core pipe head of connector, the inside fixedly connected with inner core pipeline of core pipe head, the inside fixedly connected with hourglass type inner core passageway of inner core pipeline, the inside fixedly connected with draw-in groove of hourglass type inner core passageway, the inside swing joint of draw-in groove has the pipe.

Further preferably, the catheter comprises a control rod, a grabbing clamp is movably connected below the control rod, and a spring is fixedly connected to the top of the grabbing clamp.

Further preferably, the mark developing ring is a platinum-iridium alloy ring, a gold ring and a tungsten ring sleeved on the sheath tube.

Further preferably, the number of the mark developing rings is 8-10, the distance between the vertical bisectors of the adjacent mark developing rings is 10mm, and scale marks are arranged between the mark developing rings.

Further preferably, the lower outer structural dimension of the connector corresponds to the top inner structural dimension of the connector cover.

Further preferably, the inner core pipeline and the hourglass-shaped inner core pipeline are of an integrated structure.

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

In the utility model, the mark developing ring is arranged on the blood vessel sheath group, so that when the blood vessel sheath group is subjected to radiography by using equipment such as DAS, B ultrasonic equipment and CT equipment, the mark developing ring is more clear, so that the outline of the whole blood vessel sheath group is more clear, and the mark developing rings are arranged at equal intervals along the trend of the sheath tube, therefore, a plurality of mark developing rings are like a length graduated scale, and the insertion depth of the blood vessel sheath group can be estimated quickly, conveniently and accurately.

According to the utility model, the puncture needle can be conveyed into the clamp through the guide pipe in the clamping groove, the guide pipe is pushed inwards, the clamp can slide into the clamping groove in the clamping groove through the spring, the clamp is loose, the puncture needle can be pushed inwards more accurately, the delay time caused by misalignment during pushing is avoided, and the control rod can control the clamp to clamp the puncture needle to clamp and take out.

Drawings

FIG. 1 is a schematic diagram of an explosive structure according to the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

FIG. 3 is a schematic side view of the internal structure of the present utility model;

FIG. 4 is a schematic view of the internal structure of the catheter according to the present utility model.

In the figure: 1. a sheath; 2. an inner core tube; 3. marking a developing ring; 4. a core tube head; 5. an inner core tube; 6. a connector; 7. concave edges; 8. a connection cover; 9. scale marks; 10. an hourglass-shaped core channel; 11. a clamping groove; 12. a conduit; 1201. a spring; 1202. a grabbing clamp; 1203. a control lever.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present utility model based on the embodiments of the present utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a vascular sheath group, including sheath pipe 1, the outer wall of sheath pipe 1 is equipped with scale mark 9, the inside of sheath pipe 1 is equipped with mark development ring 3, the inside swing joint of sheath pipe 1 has inner core pipe 2, the top fixedly connected with of inner core pipe 2 connects lid 8, the top fixedly connected with concave edge 7 of connecting lid 8, the top fixedly connected with connector 6 of concave edge 7, the top fixedly connected with core pipe head 4 of connector 6, the inside fixedly connected with inner core pipeline 5 of core pipe head 4, the inside fixedly connected with hourglass type inner core passageway 10 of inner core pipeline 5, the inside fixedly connected with draw-in groove 11 of hourglass type inner core passageway 10, the inside swing joint of draw-in groove 11 has pipe 12.

In this embodiment, as shown in fig. 1, 2 and 4, the catheter 12 includes a control rod 1203, a grabbing clip 1202 is movably connected below the control rod 1203, and a spring 1201 is fixedly connected to the top of the grabbing clip 1202; as the catheter 12 and the control rod 1203 move within the clamping groove 11, the capture clip 1202 may be snapped into the interior of the clamping groove 11 by the spring 1201, thereby allowing the capture clip 1202 to open and close during use.

In this embodiment, as shown in fig. 1 and 2, the mark developing ring 3 is a platinum-iridium alloy ring, a gold ring, and a tungsten ring sleeved on the sheath tube 1; the material of the mark developing ring 3 sleeved on the sheath tube 1 is a platinum-iridium alloy ring, a gold ring and a tungsten ring, and the mark developing ring 3 is non-toxic and harmless, has a good developing effect, and can be completed by using the existing ring processing technology of medical instruments, and the coating material is tungsten powder and barium powder, so that the developing effect of the mark developing ring 3 on the sheath tube 1 can be better achieved in the using process.

In the embodiment, as shown in fig. 1 and 2, the number of the mark developing rings 3 is 8-10, the distance between the vertical bisectors of the adjacent mark developing rings 3 is 10mm, and graduation lines 9 are arranged between the mark developing rings 3; the scale marks 9 can be better recorded in the use process because the space sizes of the mark developing rings 3 on the scale marks 9 are equal.

In this embodiment, as shown in fig. 1 and 3, the lower outer structural dimension of the connector 6 corresponds to the top inner structural dimension of the connector cover 8; the joint 6 and the connecting cover 8 have the same internal thread size, so that the joint 6 and the connecting cover 8 are temporarily fixed in the using process.

In this embodiment, as shown in fig. 1 and 3, the inner core pipe 5 and the hourglass-shaped inner core channel 10 are in an integral structure; the inner core pipe 5 and the hourglass-shaped inner core channel 10 are integrally connected, so that the stability of the inner core pipe 5 is achieved in the use process.

The application method and the advantages of the utility model are as follows: the vascular sheath group, when in use, has the following working procedures:

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, firstly, the inner core tube 2 is sleeved inside the sheath tube 1, the scale mark 9 and the mark developing ring 3 can be used for better developing, the concave edge 7 on the connecting cover 8 is fixed with the screw thread of the connector 6, the hourglass-shaped inner core channel 10 inside the inner core pipeline 5 inside the core tube head 4 can better enable the puncture needle to enter and exit, the catheter 12 on the clamping groove 11 is provided with a control rod 1203 for assisting in positioning, and the spring 1201 on the grabbing clamp 1202 can be controlled to be grabbed and opened and closed inside the clamping groove 11, so that the puncture needle can enter better.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A vascular sheath set comprising a sheath (1), characterized in that: the outer wall of sheath pipe (1) is equipped with scale mark (9), the inside of sheath pipe (1) is equipped with mark development ring (3), the inside swing joint of sheath pipe (1) has inner core pipe (2), the top fixedly connected with of inner core pipe (2) is connected with lid (8), the top fixedly connected with concave edge (7) of lid (8), the top fixedly connected with connector (6) of concave edge (7), the top fixedly connected with core tube head (4) of connector (6), the inside fixedly connected with inner core pipeline (5) of core tube head (4), the inside fixedly connected with hourglass type inner core passageway (10) of inner core pipeline (5), the inside fixedly connected with draw-in groove (11) of hourglass type inner core passageway (10), the inside swing joint of draw-in groove (11) has pipe (12).

2. A vascular sheath assembly according to claim 1, wherein: the catheter (12) comprises a control rod (1203), a grabbing clamp (1202) is movably connected below the control rod (1203), and a spring (1201) is fixedly connected to the top of the grabbing clamp (1202).

3. A vascular sheath assembly according to claim 1, wherein: the mark developing ring (3) is a platinum-iridium alloy ring, a gold ring and a tungsten ring which are sleeved on the sheath tube (1).

4. A vascular sheath assembly according to claim 1, wherein: the number of the mark developing rings (3) is 8-10, the distance between the vertical bisectors of the adjacent mark developing rings (3) is 10mm, and graduation lines (9) are arranged between the mark developing rings (3).

5. A vascular sheath assembly according to claim 1, wherein: the lower external structure size of the connector (6) is consistent with the top internal structure size of the connecting cover (8).

6. A vascular sheath assembly according to claim 1, wherein: the inner core pipeline (5) and the hourglass-shaped inner core channel (10) are of an integrated structure.