Spring ring device for treating hemangioma

Abstract

The utility model belongs to the technical field of medical tools, in particular to a spring ring device for treating hemangioma, which comprises a spring component, the spring component comprises a support spring, an inner layer spring and a connecting rod, the inner layer spring is sleeved on the inner side of the support spring, one end of the support spring is fixedly connected with the connecting rod, and the other end of the support spring is fixedly connected with the connecting rod. And one end of the connecting rod is fixedly connected to one end of the inner-layer spring. After the supporting spring is connected to the inner side of the movable guide pipe in a sleeved mode, the middle of the supporting spring is extruded through the movable guide pipe on the outer side, the spring assembly is more stable and not prone to falling off in the moving process through extrusion limiting, and after the spring assembly moves to the inner side of a hemangioma subsequently, the spring is ejected out through the ejection guide pipe. The drum-shaped spring on the outer side is supported at the hemangioma after being expanded, the spring placement stability is improved, and the practicability is high; through the arrangement of the inner-layer spring and the outer-layer spring, the blocking effect of the springs on blood flow is improved, and the hemangioma embolism efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to medical tool technical field, concretely relates to a spring ring device for treating hemangioma. BACKGROUND

[0002] Hemangioma is a kind of benign tumor in congenital, which is formed by the proliferation of hemangioblasts in human embryonic period, and is commonly seen in skin or soft tissue. Hemangioma can occur in all parts of the body, and the hemangioma of maxillofacial region is more common in clinic, followed by trunk and limbs, and it is more common in women than in men. In the treatment of hemangioma, spring ring tool is often used, that is, aneurysm spring ring embolization, which is a minimally invasive method, and the spring is placed in the hemangioma by catheter, and then the blood flow in the hemangioma is slowed down when it is placed to a certain extent, so that the hemangioma is embolized, and the rupture of aneurysm can be avoided, and the risk of bleeding is reduced.

[0003] However, the spring ring used at present is easy to slide after moving to the hemangioma, and is separated from the range of hemangioma, especially for some cases of giant hemangioma, the embolization efficiency of ordinary spring ring is not high, and the practicality is not strong.

[0004] Therefore, a spring ring device for treating hemangioma is needed, which is not easy to slip off, stable in use and practical. CONTENT OF THE UTILITY MODEL

[0005] In order to solve the above problems existing in the prior art, the utility model provides a spring ring device for treating hemangioma, which has the characteristics of strong stability and strong practicality.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: a spring ring device for treating hemangioma, comprising a spring assembly, the spring assembly comprises a supporting spring, an inner layer spring and a connecting rod, the inner side of the supporting spring is sleeved with the inner layer spring, one end of the supporting spring is fixedly connected with the connecting rod, one end of the connecting rod is fixedly connected on one end of the inner layer spring, the supporting spring comprises an inner layer elastic rod and a biodegradable polymer layer, and the outer side of the inner layer elastic rod is sleeved with the biodegradable polymer layer.

[0007] As a preferred technical scheme of the spring ring device for treating hemangioma of the utility model, the inner diameters of the two ends of the supporting spring are small, the inner diameter of the middle part of the supporting spring is large, and the supporting spring is a drum-shaped spring.

[0008] As a preferred technical scheme of the spring ring device for treating hemangioma of the utility model, the outer side of the spring assembly is sleeved with a moving catheter, the inner side of the moving catheter is sleeved with a jacking catheter, the inner layer spring is sleeved on the inner side of one end of the jacking catheter, the supporting spring is sleeved on the outer side of one end of the jacking catheter, and the supporting spring is sleeved on the inner side of one end of the moving catheter.

[0009] As a kind of spring coil device for treating hemangioma preferred technical scheme of the utility model, the inner wall of one end of the mobile catheter is equipped with support groove, and the support spring is located in the inner side of support groove.

[0010] As a kind of spring coil device for treating hemangioma preferred technical scheme of the utility model, the length size of support groove is slightly smaller than the length size of support spring.

[0011] As a kind of spring coil device for treating hemangioma preferred technical scheme of the utility model, the inner wall of one end of the mobile catheter is fixed with internal thread, the outer wall of one end of the jacking catheter is fixed with external thread, and the internal thread and external thread are threadedly connected.

[0012] As a kind of spring coil device for treating hemangioma preferred technical scheme of the utility model, the biodegradable polymer layer is of biodegradable polymer material.

[0013] Compared with prior art, the utility model has the beneficial effects that:

[0014] The utility model discloses in using, through the mobile catheter, jacking catheter and spring assembly being set, jacking catheter is connected in the inner side of mobile catheter, and spring assembly is sleeved in the outer side of jacking assembly one end, when spring assembly is placed to the inner side of hemangioma, through mobile catheter, jacking catheter and spring assembly are moved, and spring assembly is composed of outer side support spring and inner side inner layer spring, and the end of two layers of springs is fixedly connected through connecting rod, and support spring is drum spring, and the size of middle part is greater than the size of two ends, after the support spring is sleeved in the inner side of mobile catheter, the middle part of support spring is extruded through the mobile catheter of outer side, and the spring assembly is more stable in the moving process through extrusion limiting, and it is not easy to fall off, after subsequent spring assembly moves to the inner side of hemangioma, spring is ejected through jacking catheter, so that the outer side drum spring is expanded and supported at hemangioma, the stability of spring installation is improved, and the utility model has strong practicality, and the setting of inner and outer layer springs increases the occlusion effect of spring on blood flow, and improves the efficiency of hemangioma embolism. ACCURACY

[0015] The drawings are used to provide further understanding of the utility model, and constitute part of the specification, and are used to explain the utility model along with the embodiments of the utility model, and do not constitute the limitation to the utility model.In the drawings:

[0016] Figure 1 It is the overall structure schematic view of the utility model;

[0017] Figure 2 It is the section schematic view of the utility model;

[0018] Figure 3 For the present utility model Figure 2 Enlarged view of point A in the middle;

[0019] Figure 4 For the present utility model Figure 2 Enlarged view of point B in the middle;

[0020] Figure 5 This is a three-dimensional schematic diagram of the spring assembly of this utility model;

[0021] Figure 6 This is a partial cross-sectional view of the spring assembly of this utility model;

[0022] Figure 7 For the present utility model Figure 6 Enlarged diagram of point C in the middle.

[0023] In the diagram: 1. Moving conduit; 11. Support groove; 12. Internal thread; 2. Pushing conduit; 21. External thread; 3. Spring assembly; 31. Support spring; 311. Inner elastic rod; 312. Biodegradable polymer layer; 32. Inner spring; 33. Connecting rod. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example

[0026] Please see Figures 1-7 This utility model provides the following technical solution: a spring coil device for treating hemangiomas, comprising a spring assembly 3, wherein the spring assembly 3 includes a support spring 31, an inner spring 32, and a connecting rod 33, as shown in the attached drawing. Figure 5 and attached Figure 6 An inner spring 32 is sleeved on the inner side of the supporting spring 31. A connecting rod 33 is fixedly connected to one end of the supporting spring 31, and one end of the connecting rod 33 is fixedly connected to one end of the inner spring 32. This solution uses the structure of two layers of springs to increase the obstruction effect on blood flow and improve the embolization effect of the hemangioma after the spring is placed at the site of the hemangioma.

[0027] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, specifically, the inner diameter of the two ends of the supporting spring 31 is small, the inner diameter of the middle part of the supporting spring 31 is large, and the supporting spring 31 is a drum-shaped spring; the outer side of the spring assembly 3 is sleeved with the moving guide pipe 1, the inner side of the moving guide pipe 1 is sleeved with the top guide pipe 2, the inner layer spring 32 is sleeved on the inner side of one end of the top guide pipe 2, and the supporting spring 31 is sleeved on the outer side of one end of the top guide pipe 2, so that the spring can be moved by moving the top guide pipe 2 and the moving guide pipe 1; the supporting spring 31 is sleeved on the inner side of one end of the moving guide pipe 1, and the supporting spring 31 can be extruded and limited by one end of the moving guide pipe 1; the inner wall of one end of the moving guide pipe 1 is provided with a supporting groove 11, the supporting spring 31 is located on the inner side of the supporting groove 11, and the supporting spring 31 can be stably clamped on the inner side of the supporting groove 11 through the elasticity of the supporting spring 31; the length of the supporting groove 11 is slightly smaller than the length of the supporting spring 31, and the guide pipe port is located on one side of the middle part of the supporting spring 31; the inner wall of one end of the moving guide pipe 1 is fixedly provided with an inner thread 12, the outer wall of one end of the top guide pipe 2 is fixedly provided with an outer thread 21, and the inner thread 12 and the outer thread 21 are threadedly connected, so that the inner top guide pipe 2 and the outer moving guide pipe 1 are stably connected, and the spring can be subsequently pushed out by rotating the top guide pipe 2; in the use of the scheme, the spring is sleeved on the end of the moving guide pipe 1 and the top guide pipe 2, the spring is transported through the guide pipe, the supporting spring 31 is extruded and limited by the outer moving guide pipe 1, the spring is more stable during movement, and slipping is avoided; when the spring is subsequently pushed into the hemangioma, the middle part of the drum-shaped spring is expanded (after losing the extrusion of the supporting groove 11, the middle part of the supporting spring 31 restores), the hemangioma is supported, the stability of the spring is improved, the sliding condition is avoided, the treatment effect is good, and the practicability is high.

[0028] Referring to Figure 7 As shown, specifically, the supporting spring 31 comprises an inner layer elastic rod 311 and a biodegradable polymer layer 312, the outer side of the inner layer elastic rod 311 is sleeved with the biodegradable polymer layer 312, the biodegradable polymer layer 312 is made of a biodegradable polymer material, the biodegradable polymer material can accelerate the formation of clot tissues in the hemangioma, and can more effectively ensure the embolization of the hemangioma.

[0029] The working principle and use process of the utility model: when the utility model is used for treating hemangioma, the treatment spring is sleeved on the end of the moving guide pipe 1 and the top guide pipe 2, the spring is transported through the guide pipe, the supporting spring 31 is extruded and limited on the inner side of the end of the moving guide pipe 1, the movement is more stable, the supporting spring 31 and the inner layer spring 32 are pushed out of the guide pipe by rotating the top guide pipe 2 after the spring is moved to the inner side of the hemangioma, so as to be arranged on the inner side of the hemangioma, the inner and outer double-layer spring arrangement can more efficiently form the hemangioma embolization, and the practicability is high.

[0030] 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 the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A coil device for the treatment of hemangiomas, comprising a spring assembly (3), characterized in that: The spring assembly (3) comprises a supporting spring (31), an inner layer spring (32) and a connecting rod (33), the inner side of the supporting spring (31) is sleeved with the inner layer spring (32), one end of the supporting spring (31) is fixedly connected with the connecting rod (33), one end of the connecting rod (33) is fixedly connected on one end of the inner layer spring (32), the supporting spring (31) comprises an inner layer elastic rod (311) and a biodegradable polymer layer (312), and the outer side of the inner layer elastic rod (311) is sleeved with the biodegradable polymer layer (312).

2. A coil device for treating a hemangioma according to claim 1, wherein: The inner diameter of both ends of the supporting spring (31) is small, the inner diameter of the middle part of the supporting spring (31) is large, and the supporting spring (31) is a drum-shaped spring.

3. A coil device for treating a hemangioma according to claim 2, wherein: The outer side of the spring assembly (3) is sleeved with a moving guide pipe (1), the inner side of the moving guide pipe (1) is sleeved with a jacking guide pipe (2), the inner layer spring (32) is sleeved on the inner side of one end of the jacking guide pipe (2), the supporting spring (31) is sleeved on the outer side of one end of the jacking guide pipe (2), and the supporting spring (31) is sleeved on the inner side of one end of the moving guide pipe (1).

4. A coil device for treating a hemangioma according to claim 3, wherein: The inner wall of one end of the moving guide pipe (1) is provided with a supporting groove (11), and the supporting spring (31) is located on the inner side of the supporting groove (11).

5. A coil device for treating a hemangioma according to claim 4, wherein: The length of the supporting groove (11) is slightly smaller than the length of the supporting spring (31).

6. A coil device for treating a hemangioma according to claim 5, wherein: The inner wall of one end of the moving guide pipe (1) is fixedly provided with an inner thread (12), the outer wall of one end of the jacking guide pipe (2) is fixedly provided with an outer thread (21), and the inner thread (12) and the outer thread (21) are threadedly connected.

7. A coil device for treating a hemangioma according to claim 6, wherein: The biodegradable polymer layer (312) is made of a biodegradable polymer material.

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