Guide wire guiding auxiliary device for medical catheter

Abstract

The utility model relates to the technical field of medical instruments, and discloses a medical catheter guide wire guiding auxiliary device which comprises a micro-guide hose, an inner wire and an organic light-emitting material head, the end, away from the organic light-emitting material head, of the micro-guide hose is fixedly connected with a catheter end, and first external threads are arranged outside the organic light-emitting material head. The side, close to the micro-guide hose, of the organic light-emitting material head is fixedly connected with an insertion pipe, a second external thread is arranged outside the insertion pipe, the outer portion of the organic light-emitting material head is rotationally connected with a soft wrapping pipe, and a clamping groove is formed in the end, away from the end of the guide pipe, of the inner wire. According to the utility model, the detachable organic light-emitting material head is matched and externally connected with the optical sensing display, so that a doctor can be assisted to guide the guide wire, the misoperation risk is reduced, and the head can be replaced and adjusted as required. Meanwhile, the friction force of the inner wire is increased to prevent the inner wire from retreating due to resistance, and the operation difficulty of the microcatheter and the microguide wire is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially relates to medical catheter guide wire guide auxiliary device. BACKGROUND

[0002] In modern medical practice, catheter guide wire technology has become an indispensable part of various interventional surgeries. This technology involves the use of a long and flexible metal wire (i.e. guide wire) to guide a catheter to a specific location through the human body's blood vessels or other body cavities.

[0003] With the continuous progress of the medical field, the demand for catheter guide wires is also growing, especially in cardiovascular, neurosurgery and urinary system surgeries that require high precision and safety.

[0004] The traditional medical tracheal catheter wire is a common metal wire. When inserting a tracheal tube into the human body after anesthesia, its purpose is to support and position the catheter inserted into the human trachea. However, the traditional guide method often relies on the experience and touch of the doctor, lacking intuitive visualization means. This makes the positioning of the catheter in the trachea inaccurate during intubation, not only increasing the difficulty of operation and the risk of misoperation, but also affecting the quality of medical treatment and causing unnecessary suffering to the patient. In addition, in some complex human anatomical structures, the advancement of the catheter guide wire will be resisted, and the phenomenon of returning will easily occur, thereby affecting the smooth progress of the operation.

[0005] Therefore, in view of the above problems, a medical catheter guide wire guide auxiliary device is proposed to solve the above problems. SUMMARY

[0006] In order to make up for the above shortcomings, the utility model provides a medical catheter guide wire guide auxiliary device, aiming at improving the shortcomings of the traditional guide relying on the doctor's touch to position the catheter guide wire and the problem of the catheter and guide wire returning easily when being pushed.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0008] The medical catheter guide wire guide auxiliary device comprises a micro guide hose, an inner guide wire and an organic light emitting material head, one end of the micro guide hose away from the organic light emitting material head is fixedly connected with a catheter end, the outside of the organic light emitting material head is provided with an external thread one, one side of the organic light emitting material head close to the micro guide hose is fixedly connected with a tracheal tube, the outside of the tracheal tube is provided with an external thread two, the outside of the organic light emitting material head is rotatably connected with a soft pipe, one end of the inner guide wire away from the catheter end is provided with a clamping groove, one side of the inside of the clamping groove close to the organic light emitting material head is provided with an internal thread two, and the middle part of the catheter end has a limiting component for limiting the position of the inner guide wire.

[0009] As a further description of the above technical solutions:

[0010] The limiting assembly comprises a positioning tube, an outer part of the positioning tube is fixedly connected to a middle part of a side of the catheter end away from the micro guide hose, a screw pipe is fixedly connected to a side of the positioning tube away from the catheter end, a sealing ring is arranged on an outer part of the screw pipe, a tapered pipe is arranged on the outer part of the screw pipe, a plurality of notches are formed in a side of the tapered pipe away from the catheter end, and a locking sleeve is threadedly connected to an outer part of the screw pipe.

[0011] As a further description of the above technical solutions:

[0012] An outer part of the inner wire is slidably connected to an inner wall of the micro guide hose, an outer part of the cannula is clamped with an inner wall of the clamping groove, and an outer part of the outer thread II is threadedly connected to an outer part of the inner thread II.

[0013] As a further description of the above technical solutions:

[0014] An inner part of the soft wrapping pipe is provided with an inner thread I, and an outer part of the inner thread I is threadedly connected to an outer part of the outer thread I.

[0015] As a further description of the above technical solutions:

[0016] An inner part of the soft wrapping pipe is clamped with an outer part of the inner wire away from the micro guide hose, and a side of the organic light emitting material head close to the micro guide hose is in contact with a side of the inner wire away from the micro guide hose.

[0017] As a further description of the above technical solutions:

[0018] A plurality of friction blocks are fixedly connected to an inner part of the tapered pipe, and an inner wall of the locking sleeve is clamped with a side of the friction blocks away from the catheter end.

[0019] As a further description of the above technical solutions:

[0020] Sides of the plurality of friction blocks close to each other are slidably connected to an outer part of the inner wire, and an outer part of the catheter end is fixedly connected with a handle rod.

[0021] As a further description of the above technical solutions:

[0022] An inner wall of the locking sleeve is clamped with an outer part of the sealing ring, and an outer part of the inner wire is slidably connected to an inner wall of the screw pipe.

[0023] The utility model has the advantages of the following:

[0024] 1. In the utility model, the organic light emitting material head is inserted into the inner wire, and the head of the inner wire is wrapped by rotating the soft wrapping pipe on the organic light emitting material head, so that the organic light emitting material head and the optical sensing display are connected, the position and trajectory of the guide wire are moved, the risk of misoperation is reduced, and the organic light emitting material head can be replaced or adjusted according to different operation requirements.

[0025] 2. In the utility model, after the inner wire is inserted into the catheter end and the micro guide hose, according to the diameter of the inner wire, the outer part of the locking sleeve is rotated and locked, and the gap of the conical pipe is extruded and reduced by the protruding design inside the head of the locking sleeve, so that the inner wire is clamped without hindering the sliding of the inner wire, the friction of the inner wire is increased when sliding, the inner wire is prevented from being returned due to resistance during operation, and the operation difficulty of the micro guide wire is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a three-dimensional schematic view of the medical catheter guide wire guiding auxiliary device provided by the utility model;

[0027] Figure 2 It is an explosion view of the organic light emitting material head of the medical catheter guide wire guiding auxiliary device provided by the utility model;

[0028] Figure 3 It is a structural schematic view of the conical pipe of the medical catheter guide wire guiding auxiliary device provided by the utility model;

[0029] Figure 4 It is an explosion view of the screw pipe of the medical catheter guide wire guiding auxiliary device provided by the utility model.

[0030] LEGEND:

[0031] 1, micro guide hose; 2, catheter end; 3, inner wire; 4, organic light emitting material head; 5, outer thread one; 6, cannula; 7, outer thread two; 8, soft wrapping pipe; 9, inner thread one; 10, clamping groove; 11, inner thread two; 12, positioning pipe; 13, screw pipe; 14, sealing ring; 15, conical pipe; 16, gap; 17, friction block; 18, locking sleeve; 19, handle rod. DETAILED DESCRIPTION

[0032] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0033] Referring Figures 1 to 3 The utility model provides a kind of embodiment provided by the utility model: medical catheter guide wire guiding auxiliary device, including micro guide hose 1, inner wire 3 and organic light emitting material head 4, micro guide hose 1 is made of soft medical material, with flexibility and elasticity. For guiding inner wire 3 its into human body specific site. Organic light emitting material head 4 is close to the side of micro guide hose 1 and the side of inner wire 3 away from micro guide hose 1 Contact, organic light emitting material head 4 and inner wire 3 head contact can be indicated as has locked installation.

[0034] Micro guide hose 1 is fixedly connected with catheter end 2 at the end away from organic light emitting material head 4, and catheter end 2 is a conical body, for providing support and positioning for inner wire 3. Inner wire 3 is slidably connected to the inner wall of micro guide hose 1, and inner wire 3 slides in the inner wall of micro guide hose 1, so that inner wire 3 enters the human body. Organic light emitting material head 4 is composed of organic molecules, and the resonance generated light does not rely on energy level structure, so it has structural diversity and adjustability. The shape is a slightly curved hook, which facilitates the passage of inner wire 3 through the curved human body pipeline.

[0035] Reference Figure 1 , Figure 2 The outer part of organic light emitting material head 4 is provided with external thread one 5, which is a spiral texture arranged on the outer part of organic light emitting material head 4. Organic light emitting material head 4 is fixedly connected with cannula 6 on the side close to micro guide hose 1, and cannula 6 is a tubular structure extending from the side of organic light emitting material head 4 with moderate length. The outer part of cannula 6 is provided with external thread two 7, which is a spiral texture arranged on the outer part of cannula 6.

[0036] The outer part of organic light emitting material head 4 is rotatably connected with soft wrapping pipe 8, which is a soft tubular structure with a conical head at one end. The inner part of soft wrapping pipe 8 is engaged with the outer part of the end of inner wire 3 away from micro guide hose 1, and soft wrapping pipe 8 is rotatably connected to the outer part of organic light emitting material head 4. During installation, the interface between organic light emitting material head 4 and inner wire 3 can be moved, and the conical head wraps the head of inner wire 3, achieving quick installation and protection of inner wire 3. The soft material can reduce the irritation to human tissues. The inner part of soft wrapping pipe 8 is provided with internal thread one 9, which is a spiral texture arranged in the inner part of soft wrapping pipe 8. The outer part of internal thread one 9 is screw-connected to the outer part of external thread one 5, and external thread one 5 cooperates with internal thread one 9 in the inner part of soft wrapping pipe 8, achieving rotatable connection and position adjustment of soft wrapping pipe 8 on organic light emitting material head 4.

[0037] The inner wire 3 is provided with a clamping groove 10 at one end away from the catheter end 2, the clamping groove 10 is matched with the shape of the insertion tube 6, the outer part of the insertion tube 6 is clamped with the inner wall of the clamping groove 10, after the insertion tube 6 is aligned with the clamping groove 10 at one end of the inner wire 3, the insertion tube 6 is locked through threaded connection, realizing the fixed connection of the organic light emitting material head 4 and the inner wire 3. The inner part of the clamping groove 10 is provided with an inner thread II 11 at one side close to the organic light emitting material head 4, the inner thread II 11 is a spiral texture provided at the inner part of the clamping groove 10 at one side close to the organic light emitting material head 4, the outer thread II 7 is externally threaded connected at the outer part of the inner thread II 11, the outer thread II 7 is matched with the outer thread II 7 at the outer part of the insertion tube 6, when the organic light emitting material head 4 is rotated, the insertion tube 6 is tightly connected with the clamping groove 10, ensuring the firmness of the connection.

[0038] Reference Figure 3 、 Figure 4 The middle part of the catheter end 2 is provided with a limiting assembly for limiting the position of the inner wire 3, the limiting assembly comprises a positioning tube 12, the positioning tube 12 is a tubular structure with smooth surface. The outer part of the positioning tube 12 is fixedly connected at the middle part of the catheter end 2 away from the micro guide hose 1, the positioning tube 12 provides fixed support for the screw pipe 13, ensuring the stable position of the screw pipe 13. At the same time, the positioning tube 12 together with the screw pipe 13 positions the inner wire 3, limiting the sliding range of the inner wire 3. The positioning tube 12 is fixedly connected with the screw pipe 13 at the side away from the catheter end 2, the screw pipe 13 is a tubular structure with external thread. The outer part of the screw pipe 13 is slidably connected with the inner wall of the screw pipe 13, the screw pipe 13 provides a sliding channel for the inner wire 3. The outer part of the screw pipe 13 is provided with a sealing ring 14, the sealing ring 14 is an annular structure with soft material and good sealing property.

[0039] The outer part of the screw pipe 13 is provided with a tapered pipe 15, the tapered pipe 15 is a tubular structure with tapered end and smooth surface. The tapered pipe 15 is provided with multiple notches 16 at the side away from the catheter end 2, the notches 16 are equidistantly opened at the side of the tapered pipe 15 away from the catheter end 2. The inner part of the tapered pipe 15 is fixedly connected with multiple friction blocks 17, the friction blocks 17 are small block structures with certain friction. The similar side of the multiple friction blocks 17 is slidably connected with the outer part of the inner wire 3, when the opening of the tapered pipe 15 is reduced, the friction blocks 17 are in close contact with the inner wire 3, increasing the friction of the inner wire 3 when sliding, effectively avoiding the inner wire 3 from being pulled back due to resistance during operation, improving the stability of operation.

[0040] The outer thread of the screw pipe 13 is connected with a locking sleeve 18, which is a tubular structure with a threaded texture on the inner wall. The inner wall of the locking sleeve 18 is engaged with the outer part of the sealing ring 14, and the inner wall of the locking sleeve 18 is engaged with the side of the friction block 17 away from the catheter end 2. The locking sleeve 18 is connected with the outer thread of the screw pipe 13 and moves towards the catheter end 2 by rotating. The protruding design inside the head of the locking sleeve 18 extrudes and narrows the opening of the notch 16 of the conical pipe 15, so that the friction block 17 is in close contact with the inner guide wire 3, and the friction force of the inner guide wire 3 is increased. At the same time, in cooperation with the sealing ring 14, the sealing effect is ensured. The outer part of the catheter end 2 is fixedly connected with a handle rod 19. It is convenient for doctors to hold by hand, and the position of the inner guide wire 3 is guided by rotating the inner guide wire 3. Doctors can accurately control the position of the inner guide wire 3, move and track the position of the guide wire, and reduce the risk of misoperation.

[0041] Working principle: when in use, first align the cannula 6 of the organic light-emitting material head 4 with the clamping groove 10 of the inner guide wire 3, and rotate the organic light-emitting material head 4 so that the outer external thread two 7 of the fixed cannula 6 of the organic light-emitting material head 4 is threadedly connected with the inner thread two 11 of the clamping groove 10, and then rotate the soft sleeve 8 on the organic light-emitting material head 4 to move towards the interface between the organic light-emitting material head 4 and the inner guide wire 3 until the conical head of the soft sleeve 8 wraps the head of the inner guide wire 3, which realizes the rapid installation of the inner guide wire 3.

[0042] After that, the doctor can insert the micro guide soft tube 1 along the special needle of the needle, and then insert the organic light-emitting material head 4 and the inner guide wire into the micro guide soft tube 1 until the organic light-emitting material head 4 protrudes from the tube end outlet of the micro guide soft tube 1. At this time, the organic light-emitting material head 4 can emit light in the human body, and the doctor can observe the position of the organic light-emitting material head 4 through the external light sensor device, and then rotate the inner guide wire 3 to guide the position of the inner guide wire 3 by holding the handle rod 19 with the doctor's hand, so as to help the doctor to move and track the position of the guide wire, and reduce the risk of misoperation.

[0043] When the inner guide wire 3 and the organic light-emitting material head 4 are inserted into the micro guide soft tube 1, the doctor can rotate the locking sleeve 18 to move towards the catheter end 2 by rotating the outer thread of the screw pipe 13, so that the protruding design inside the head of the locking sleeve 18 extrudes and narrows the opening of the notch 16 of the conical pipe 15, and the narrowed notch 16 contacts the outer part of the inner guide wire 3, so that the friction force of the inner guide wire 3 increases when sliding, effectively avoiding the phenomenon of the inner guide wire 3 being pulled back during operation, and reducing the difficulty of operation of the micro guide wire.

[0044] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A medical catheter guide wire auxiliary device, comprising a micro guide hose (1), an inner guide wire (3) and an organic light emitting material head (4), characterized in that: The micro guide hose (1) is fixedly connected with the catheter end (2) at one end away from the organic light emitting material head (4), the outer part of the organic light emitting material head (4) is provided with an outer thread I (5), the side of the organic light emitting material head (4) close to the micro guide hose (1) is fixedly connected with a cannula (6), the outer part of the cannula (6) is provided with an outer thread II (7), the outer part of the organic light emitting material head (4) is rotatably connected with a soft wrapping tube (8), one end of the inner lead wire (3) away from the catheter end (2) is provided with a clamping groove (10), the inner part of the clamping groove (10) is provided with an inner thread II (11) on the side close to the organic light emitting material head (4), and the middle part of the catheter end (2) is provided with a limiting assembly for limiting the position of the inner lead wire (3).

2. The catheter guidewire guide assist device of claim 1, wherein: The limiting assembly comprises a positioning tube (12), the outer part of the positioning tube (12) is fixedly connected to the middle part of the side of the catheter end (2) away from the micro guide hose (1), the side of the positioning tube (12) away from the catheter end (2) is fixedly connected with a screw tube (13), the outer part of the screw tube (13) is provided with a sealing ring (14), the outer part of the screw tube (13) is provided with a tapered tube (15), the side of the tapered tube (15) away from the catheter end (2) is provided with a plurality of notches (16), and the outer part of the screw tube (13) is threadedly connected with a locking sleeve (18).

3. The catheter guide wire assist device of claim 1, wherein: The outer part of the inner lead wire (3) is slidably connected to the inner wall of the micro guide hose (1), the outer part of the cannula (6) is clamped with the inner wall of the clamping groove (10), and the outer part of the outer thread II (7) is threadedly connected to the outer part of the inner thread II (11).

4. The catheter guide wire assist device of claim 1, wherein: The inner part of the soft wrapping tube (8) is provided with an inner thread I (9), and the outer part of the inner thread I (9) is threadedly connected to the outer part of the outer thread I (5).

5. The catheter guidewire guide assist device of claim 1, wherein: The inner part of the soft wrapping tube (8) is clamped with the outer part of one end of the inner lead wire (3) away from the micro guide hose (1), and the side of the organic light emitting material head (4) close to the micro guide hose (1) is in contact with the side of the inner lead wire (3) away from the micro guide hose (1).

6. The catheter guidewire guide assist device of claim 2, wherein: The inner part of the tapered tube (15) is fixedly connected with a plurality of friction blocks (17), and the inner wall of the locking sleeve (18) is clamped with the side of the friction blocks (17) away from the catheter end (2).

7. The catheter guidewire guide assist device of claim 6, wherein: The side close to each other of the plurality of friction blocks (17) is slidably connected to the outer part of the inner lead wire (3), and the outer part of the catheter end (2) is fixedly connected with a handle rod (19).

8. The catheter guide wire assist device of claim 2, wherein: The inner wall of the locking sleeve (18) is clamped with the outer part of the sealing ring (14), and the outer part of the inner lead wire (3) is slidably connected to the inner wall of the screw tube (13).

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