A new type of embolization interventional device

Abstract

The utility model relates to the technical field of medical devices, and discloses a novel embolic interventional device, including an outer sleeve, the inner wall of the outer sleeve is fitted with a spring coil, the left side of the spring coil and the inner wall of the outer sleeve are both fitted with a push wire, the surface of the push wire is bonded with a limiting block, and the surface of the outer sleeve is fitted with a limiting cylinder. The utility model is provided with a limiting cylinder, a first connecting column, a fixed bracket, a first silicone oil paper, a flexible sealing strip, a second silicone oil paper, and a second double-sided adhesive, wherein when the first double-sided adhesive on the fixed bracket is adhered to the outer sleeve, the limiting cylinder can be fixed to the outer sleeve through the first double-sided adhesive, and the puncture depth of the right end of the outer sleeve can be limited by the limiting cylinder, so that the doctor can directly and accurately puncture the right end of the outer sleeve to the designated position, so that the doctor can quickly implant the spring coil to the designated position through the embolic interventional device.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a novel embolism intervention device. Background Art

[0002] Embolization is a method for treating cerebral aneurysms and arteriovenous malformations by placing coils in blood vessels to block abnormal blood vessels. Currently, when the coils are implanted into the lesion site of the patient, the coils in the embolization interventional device are mostly pushed to the lesion site through the push wire in the embolization interventional device, such as a snap-release embolization interventional device disclosed in Chinese patent announcement number CN211131221U. However, after the embolization interventional device is punctured into the patient's body, the doctor needs to make multiple adjustments to ensure that the embolization interventional device is punctured to the designated position, which makes it more troublesome for the doctor to implant the coils using the embolization interventional device. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings existing in the prior art, such as: currently, after the embolization interventional device is punctured into the patient's body, the doctor needs to make multiple adjustments to ensure that the embolization interventional device is punctured to the specified position, which makes it more troublesome for the doctor to implant the spring coil using the embolization interventional device, and a new embolization interventional device is proposed.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A novel embolic interventional instrument comprises an outer sleeve, the inner wall of which is fitted with a spring coil, the left side of the spring coil and the inner wall of the outer sleeve are both fitted with a push wire, the surface of the push wire is bonded with a limiting block, the surface of the outer sleeve is fitted with a limiting cylinder, the upper surface of the limiting cylinder is fixedly connected with a first connecting column, the upper surface of the first connecting column is fixedly connected with a fixing frame, the upper surface of the fixing frame is fitted with a first silicone oil paper, the upper surface of the first silicone oil paper is bonded with a flexible sealing strip, the front and rear sides of the limiting cylinder are both bonded with a second silicone oil paper, the side of the second silicone oil paper away from the limiting cylinder and the front and rear sides of the inner wall of the flexible sealing strip are both bonded with a second double-sided tape, the upper surface of the limiting cylinder is provided with a second strip hole, the inner wall of the second strip hole is in contact with the surface of the fixing frame.

[0006] Preferably, the fixing frame includes a rectangular frame, the bottom of the rectangular frame is fixedly connected to the upper surface of the first connecting column, the front and rear sides of the inner wall of the rectangular frame are fixedly connected with cylinders, the front and rear sides of the inner wall of the rectangular frame and the front and rear sides of the inner wall of the second strip hole are both fitted with support plates, the upper surface of the support plate is bonded with a first double-sided tape, the upper surface of the first double-sided tape is bonded to the bottom of the first silicone paper, a first strip hole is opened inside the support plate, and the inner wall of the first strip hole is in contact with the surface of the cylinder.

[0007] Preferably, the height of the first strip-shaped hole is greater than the diameter of the cylinder.

[0008] Preferably, the front and rear sides of the limiting cylinder are fixedly connected with second connecting columns, the left side of the second connecting column is fixedly connected with a hollow plate, the inner wall of the hollow plate contacts the surface of the outer sleeve, and the upper and lower sides of the hollow plate and the upper and lower sides of the limiting cylinder are bonded with elastic rubber bands.

[0009] Preferably, a support tube is bonded to the surface of the outer sleeve, and the support tube is located on the left side of the limiting tube.

[0010] Preferably, both ends of the flexible sealing strip are bonded with anti-slip sleeves.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) The utility model is provided with a limit tube, a first connecting column, a fixing bracket, a first silicone oil paper, a flexible sealing strip, a second silicone oil paper and a second double-sided adhesive tape. When the first double-sided adhesive tape on the fixing bracket is adhered to the outer sleeve, the limit tube can be fixed to the outer sleeve by the first double-sided adhesive tape, and the puncture depth of the right end of the outer sleeve can be limited by the limit tube, so that the doctor can directly and accurately puncture the right end of the outer sleeve to the designated position, so that the doctor can quickly implant the spring coil to the designated position through the embolization intervention instrument.

[0013] (2) The utility model provides a second connecting column, a hollow plate and an elastic rubber band, wherein when the doctor pinches the two elastic rubber bands to make the elastic rubber bands contact with the outer sleeve, the friction between the elastic rubber bands and the outer sleeve can prevent the limiting cylinder from sliding on the outer sleeve. After the doctor moves the limiting cylinder to a specified position, the doctor can pinch the two elastic rubber bands to prevent the position of the limiting cylinder from changing, so that when the doctor removes the sealing band or rotates the support plate, the position of the limiting cylinder will not be offset. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2for Figure 1 Sectional view at AA;

[0016] Figure 3 It is a front view of the structure of the utility model;

[0017] Figure 4 It is a top view of the limiting cylinder in the utility model;

[0018] Figure 5 It is a side view of the fixing frame in the utility model;

[0019] Figure 6 for Figure 5 Cross-sectional view at BB in the middle.

[0020] In the figure: 1. outer sleeve; 2. spring coil; 3. push wire; 4. limit block; 5. limit cylinder; 6. first connecting column; 7. fixing frame; 71. rectangular frame; 72. cylinder; 73. support plate; 74. first double-sided tape; 75. first strip hole; 8. first silicone oil paper; 9. flexible sealing strip; 10. second silicone oil paper; 11. second double-sided tape; 12. second strip hole; 13. second connecting column; 14. hollow plate; 15. elastic rubber belt; 16. support cylinder; 17. anti-slip sleeve. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0023] Embodiment 1:

[0024] Reference Figure 1-6A novel embolic interventional device comprises an outer sleeve 1, the inner wall of the outer sleeve 1 is fitted with a spring coil 2, the left side of the spring coil 2 and the inner wall of the outer sleeve 1 are fitted with a push wire 3, the spring coil 2 in the outer sleeve 1 can be pushed to the right by the push wire 3, the surface of the push wire 3 is bonded with a limiting block 4, after the right end of the push wire 3 is aligned with the right end of the outer sleeve 1 through the limiting block 4, the push wire 3 cannot continue to move to the right, the surface of the outer sleeve 1 is fitted with a limiting cylinder 5, the puncture depth of the right end of the outer sleeve 1 is limited by the limiting cylinder 5, the upper surface of the limiting cylinder 5 is fixedly connected with a first connecting column 6, the upper surface of the first connecting column 6 is fixedly connected with a fixing frame 7, the upper surface of the fixing frame 7 is fitted with a first silicone oil paper 8, the upper surface of the first silicone oil paper 8 is bonded with a flexible sealing strip 9, the front and rear sides of the limiting cylinder 5 are bonded with a second silicone oil paper 10, the second silicone oil paper 1 A second double-sided adhesive 11 is bonded to one side away from the limiting cylinder 5 and the front and rear sides of the inner wall of the flexible sealing strip 9. When the second double-sided adhesive 11 is bonded to the second silicone oil paper 10, the two ends of the flexible rubber strip can be fixed by the adhesive force between the second double-sided adhesive 11 and the second silicone oil paper 10, and the second double-sided adhesive 11 can be directly peeled off from the second silicone oil paper 10. Anti-slip sleeves 17 are bonded to both ends of the flexible sealing strip 9, and the anti-slip sleeves 17 prevent the doctor from slipping when peeling off the flexible sealing strip 9. A second strip hole 12 is provided on the upper surface of the limiting cylinder 5, and the inner wall of the second strip hole 12 contacts the surface of the fixing frame 7. A support cylinder 16 is bonded to the surface of the outer sleeve 1, and the support cylinder 16 is located on the left side of the limiting cylinder 5. The support cylinder 16 is made of hard plastic. The doctor can hold the outer sleeve 1 in his hand by pinching the support cylinder 16, and the outer sleeve 1 will not squeeze the push wire 3.

[0025] The fixing frame 7 includes a rectangular frame 71, the bottom of the rectangular frame 71 is fixedly connected to the upper surface of the first connecting column 6, the front and rear sides of the inner wall of the rectangular frame 71 are fixedly connected with a cylinder 72, the front and rear sides of the inner wall of the rectangular frame 71 and the front and rear sides of the inner wall of the second strip hole 12 are fitted with a support plate 73, the upper surface of the support plate 73 is bonded with a first double-sided adhesive 74, the upper surface of the first double-sided adhesive 74 is bonded to the bottom of the first silicone oil paper 8, and when the first silicone oil paper 8 is bonded to the first double-sided adhesive 74, it can be The first silicone oil paper 8 protects the stickiness above the first double-sided adhesive 74. At the same time, the first silicone oil paper 8 can be directly peeled off from the first double-sided adhesive 74. A first strip hole 75 is opened inside the support plate 73. The inner wall of the first strip hole 75 contacts the surface of the cylinder 72. The height of the first strip hole 75 is greater than the diameter of the cylinder 72. Through the cooperation of the first strip hole 75 and the cylinder 72, the support plate 73 and the rectangular frame 71 cannot be separated, and the support plate 73 can move or rotate in the rectangular frame 71.

[0026] Embodiment 2:

[0027] Reference Figure 1-3 The front and rear sides of the limiting cylinder 5 are fixedly connected with the second connecting column 13, and the left side of the second connecting column 13 is fixedly connected with the hollow plate 14. The inner wall of the hollow plate 14 contacts the surface of the outer sleeve 1, and the upper and lower sides of the hollow plate 14 and the upper and lower sides of the limiting cylinder 5 are bonded with elastic rubber bands 15. When the doctor pinches the two elastic rubber bands 15 to make the elastic rubber bands 15 contact with the outer sleeve 1, the friction between the elastic rubber bands 15 and the outer sleeve 1 can prevent the limiting cylinder 5 from sliding on the outer sleeve 1. Then, after the doctor moves the limiting cylinder 5 to the specified position, he can pinch the two elastic rubber bands 15 to prevent the position of the limiting cylinder 5 from changing, so that when the doctor peels off the sealing tape or rotates the support plate 73, the position of the limiting cylinder 5 will not be offset.

[0028] In the present invention, when the doctor uses the embolization interventional device, he first moves the limiting cylinder 5 to the designated position, then peels off the second double-sided adhesive tape 11 on the flexible sealing strip 9 from the second silicone oil paper 10, and peels off the first silicone oil paper 8 from the first double-sided adhesive tape 74. After the first silicone oil paper 8 is separated from the first double-sided adhesive tape 74, the first double-sided adhesive tape 74 is brought into contact with the outer sleeve 1 by moving and rotating the support plate 73. At this time, the first double-sided adhesive tape 74 is adhered to the outer sleeve 1, and the first double-sided adhesive tape 74 can be used to The limiting tube 5 is fixed on the outer sleeve 1, and then the doctor implants the spring coil 2 into the outer sleeve 1. Then, the doctor inserts the right end of the outer sleeve 1 into the patient's skin, and the limiting tube 5 can limit the puncture depth of the right end of the outer sleeve 1, so that the doctor can directly and accurately puncture the right end of the outer sleeve 1 to the designated position. When the right end of the outer sleeve 1 is punctured to the designated position, by pushing the push wire 3, the spring coil 2 is separated from the outer sleeve 1 under the thrust of the push wire 3 and implanted to the designated position.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A novel embolic interventional device, comprising an outer sleeve (1), characterized in that: The inner wall of the outer sleeve (1) is fitted with a spring coil (2), the left side of the spring coil (2) and the inner wall of the outer sleeve (1) are both fitted with a push wire (3), the surface of the push wire (3) is bonded with a limit block (4), the surface of the outer sleeve (1) is fitted with a limit cylinder (5), the upper surface of the limit cylinder (5) is fixedly connected with a first connecting column (6), the upper surface of the first connecting column (6) is fixedly connected with a fixing frame (7), the upper surface of the fixing frame (7) is fitted with A first silicone oil paper (8) is provided, a flexible sealing strip (9) is bonded to the upper surface of the first silicone oil paper (8), a second silicone oil paper (10) is bonded to the front and rear sides of the limiting cylinder (5), a second double-sided adhesive tape (11) is bonded to the side of the second silicone oil paper (10) away from the limiting cylinder (5) and the front and rear sides of the inner wall of the flexible sealing strip (9), a second strip hole (12) is opened on the upper surface of the limiting cylinder (5), and the inner wall of the second strip hole (12) is in contact with the surface of the fixing frame (7).

2. A novel embolization intervention device according to claim 1, characterized in that: The fixing frame (7) comprises a rectangular frame (71), the bottom of the rectangular frame (71) is fixedly connected to the upper surface of the first connecting column (6), the front and rear sides of the inner wall of the rectangular frame (71) are fixedly connected to the cylinder (72), the front and rear sides of the inner wall of the rectangular frame (71) and the front and rear sides of the inner wall of the second strip hole (12) are fitted with a support plate (73), the upper surface of the support plate (73) is bonded with a first double-sided adhesive tape (74), the upper surface of the first double-sided adhesive tape (74) is bonded to the bottom of the first silicone oil paper (8), the support plate (73) is provided with a first strip hole (75) inside, and the inner wall of the first strip hole (75) is in contact with the surface of the cylinder (72).

3. A novel embolization intervention device according to claim 2, characterized in that: The height of the first strip-shaped hole (75) is greater than the diameter of the cylinder (72).

4. The novel embolization intervention device according to claim 1, characterized in that: The front and rear sides of the limiting cylinder (5) are fixedly connected to a second connecting column (13), the left side of the second connecting column (13) is fixedly connected to a hollow plate (14), the inner wall of the hollow plate (14) is in contact with the surface of the outer sleeve (1), and the upper and lower sides of the hollow plate (14) and the upper and lower sides of the limiting cylinder (5) are bonded with elastic rubber bands (15).

5. The novel embolization intervention device according to claim 1, characterized in that: A support tube (16) is bonded to the surface of the outer sleeve (1), and the support tube (16) is located on the left side of the limiting tube (5).

6. The novel embolization intervention device according to claim 1, characterized in that: Anti-slip sleeves (17) are bonded to both ends of the flexible sealing strip (9).

Images