Manimony ring anchoring device under hysteroscope

Abstract

The utility model discloses a Munyun ring anchoring device under a hysteroscope. The Munyun ring anchoring device comprises an anchoring line and an anchor rod, when the manyule ring is used, a section of line body at the lower end of the barb of the barb line is used for binding and fixing the manyule ring, a surgeon holds the rod handle by hand, the steel needle pierces the anchor rod towards the deep position of the uterine cavity and the bottom of the uterine cavity, and the steel needle pierces the bottom of the uterine cavity; and withdrawing the anchor rod from the uterine cavity, and cutting off and taking out the redundant guide line in the uterine cavity under the monitoring of a hysteroscope. Compared with the traditional operation of knotting and fixing the Munyal ring by a suture, the anchoring structure is easy to operate, the anchoring structure adopts a hard non-absorbable line, the barb line has the characteristics of no knotting, no line withdrawing and no loosening, and the Munyal ring bound on the barb line can be stably fixed after the barb line is punctured into the uterine wall; the anchoring structure has the double advantages of a traditional anchor nail structure and a barb line, has the advantages of being reliable in fixation, not prone to loosening and convenient to operate, and can be clinically used and popularized.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical devices, and in particular relates to a Mirena ring anchoring device under hysteroscopy. Background Art

[0002] Mirena, the generic name is the levonorgestrel intrauterine birth control system. The cylinder of the Mirena ring's longitudinal arm is a drug reservoir containing levonorgestrel, which is placed in the uterus and can be used for 5-7 years. Mirena ring is used for diseases such as adenomyosis, multiple uterine fibroids, and endometrial hyperplasia.

[0003] However, in actual use, the Mirena ring is very easy to fall off after placement in patients with abnormally enlarged uterus. Some scholars have adopted the method of fixing the Mirena ring by suturing on the uterine wall and then tying knots to prevent the Mirena ring from falling off. However, the above-mentioned operation of suturing and knotting on the uterine wall has the following shortcomings: 1. The operating space in the uterine cavity is small and closed, which makes suture tying difficult and requires a long learning curve; 2. The knotting adopts the sliding knot method, and there is also the risk of the sliding knot loosening and falling off. Loosening and sliding will greatly increase the patient's discomfort;

[0004] Therefore, it is necessary to provide a hysteroscopic Mirena ring anchoring device to improve the above-mentioned deficiencies. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a hysteroscopic Mirena ring anchoring device, which consists of an anchor rod and an anchoring line; the top of the anchor rod is a steel needle, and the bottom end is a rod handle; the anchoring line is a double-stranded line, one strand is a barbed line, and the other strand is a guide line, and the double-stranded line is gathered on both sides of the coil at the top; the tip of the steel needle covers the coil and pierces the uterine wall; when piercing, the barbed line in the double-stranded line is driven to anchor on the uterine wall; the other end of the barbed line is tied and fixed with a Mirena ring, that is, the Mirena ring is anchored in the uterus; the anchoring line is tied with Mirena and then the anchor rod is used to anchor the anchoring line in the uterine wall, which has the advantages of reliable fixation, not easy to loosen, knot-free, and easy operation, and can be promoted for clinical use.

[0006] In order to achieve the above technical objectives, the utility model is implemented through the following technical solutions:

[0007] A hysteroscopic Mirena ring anchoring device, comprising: an anchoring line and an anchor rod;

[0008] The anchor line is composed of a barbed line, a guide line and a coil; the barbed line and the guide line converge at the top on both sides of the coil, and the barbed line and the guide line are at a certain angle; the barbed line includes a line body and barbs connected to the line body; the barbs are inclined downward, and a plurality of groups are linearly arranged at the top of the line body;

[0009] The anchor rod is a hollow cylindrical structure with openings at both ends, a rod handle of the cylindrical structure is fixedly connected at the bottom, and a steel needle is fixedly installed at the eccentric position of the top; the guide wire passes through the opening at the top of the anchor rod and passes through the opening at the bottom of the rod handle; the guide wire is tightened by installing a tightening knob on the rod handle;

[0010] Furthermore, the steel needle comprises an upper needle tip and a lower steel needle body; the needle tip is a cone structure, and the top is a cone tip; the steel needle body is a cylinder coaxial with the needle tip; the diameter of the bottom end of the needle tip is smaller than the diameter of the steel needle body; the axis of the steel needle is parallel to the axis of the anchor rod;

[0011] Furthermore, the barb wire and the guide wire are at an angle of 10°-30°; the topmost group of barbs are at a certain distance from the coil, and the bottommost group of barbs are at the same vertical height as the bottom end of the steel needle body; the barbs are at an angle to the wire body; and the distance between two adjacent groups of barbs is equal;

[0012] Furthermore, the inner diameter of the coil is larger than the bottom diameter of the needle tip and smaller than the diameter of the steel needle body;

[0013] Furthermore, the outer wall of the anchor rod is provided with scale lines arranged linearly along the axial direction thereof, and the object marked by the scale lines is the axial distance between a certain point on the anchor rod and the top end of the anchor rod;

[0014] The beneficial effects of the utility model are:

[0015] The utility model provides a hysteroscopic Mirena ring anchoring device. Compared with the operation of tying a transmitted suture to fix the Mirena ring, its anchoring structure is easy to operate. The anchoring structure adopts a hard non-absorbable thread, wherein the barbed thread has the characteristics of no knotting, no backlash and no loosening. After piercing the uterine wall, the Mirena ring bound thereon can be stably fixed. The anchoring structure of the utility model has the dual advantages of a traditional anchor structure and a barbed thread, and has the advantages of reliable fixation, not easy to loosen and easy operation, and can be promoted for clinical use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2This is a fracture view of the overall structure of the utility model;

[0019] Figure 3 The utility model Figure 1 A schematic diagram of the structure enlargement in the middle;

[0020] Figure 4 It is a main structural schematic diagram of the utility model;

[0021] Figure 5 The utility model Figure 4 Fracture view of

[0022] Figure 6 The utility model Figure 4 A magnified schematic diagram of the structure at B in the middle;

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1-anchoring wire, 101-barb wire, 1011-wire body, 1012-barb, 102-guide wire, 103-coil, 2-anchor rod, 201-rod handle, 2011-fastening knob, 202-steel needle, 2021-needle tip, 2022-steel needle body, α angle, 203-scale line. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1

[0027] See also Figure 1-Figure 6 In this embodiment, a hysteroscopic Mirena ring anchoring device includes: an anchoring line 1 and an anchor rod 2;

[0028] In this embodiment, the anchoring line 1 is composed of two strands, one of which is the barbed wire 101 and the other is the guide wire 102; the two strands are gathered in the coil 103 in the middle, and the two strands are at an angle; the barbed wire 101 includes the wire body 1011 and the barbs 1012 connected to the wire body 101 as a whole; the barbs 1012 are linearly arranged in several groups at one end of the wire body 1011 close to the coil 103; the anchoring line 1 is a hard non-absorbable line; after the barbed wire 101 is inserted into the uterine cavity and other tissues, it has the effects of no knotting, no retreat, and no loosening;

[0029] In this embodiment, the anchor rod 2 is a hollow cylindrical structure with openings at both ends. The bottom of the anchor rod 2 is integrally connected to the rod handle 201 of the cylindrical structure, and the top is integrally connected to the steel needle 202. The guide wire 102 passes through the top opening of the anchor rod 2 and passes through the bottom end of the rod handle 201. The rod handle 201 is installed with the tightening knob 2011 to compress the guide wire 102, so that the anchor wire 1 moves with the anchor rod 2. The rod handle 201 is the hand-held part of the doctor during surgery, so its length and thickness should be reasonable, so that the doctor can hold it stably and the harm to the patient is minimized.

[0030] In this embodiment, the steel needle 202 includes an upper needle tip 2021 and a lower steel needle body; the needle tip 2021 is a cone structure, and the top is a cone tip of the cone structure; the steel needle body 2022 is a cylinder coaxial with the needle tip 2021; the bottom diameter of the needle tip 2021 is smaller than the diameter of the steel needle body 2022; the axis of the steel needle 202 is parallel to the axis of the anchor rod 2, and is located at an eccentric position of the axis of the anchor rod 2; the steel needle 202 is the part that pierces the uterine cavity wall, driving the anchor line 1 to enter the uterine wall; in order to prevent the coil 103 from being clamped with the needle tip 2021 when the steel needle 202 is withdrawn, the above-mentioned diameter size relationship is set so that the coil 103 is sleeved on the needle tip 2021 and does not sleeve into the steel needle body 2022;

[0031] In this embodiment, the barb wire 101 is at an angle of 10°-30° with the guide wire 102; the topmost group of barbs 1012 of several groups of barbs 1012 is at a certain distance from the coil 103; the barbs 1012 are at an angle with the wire body 1011, and the barbs 1012 extend obliquely downward after starting from the wire body 1011; the two adjacent groups of barbs 1012 are equidistant, so that the depth of penetration of the barb wire 101 into the uterine wall can be judged by reading the number of groups of barbs; the bottommost group of barbs 1012 and the bottom end of the steel needle body 2022 are at the same vertical height; after the steel needle 202 penetrates the uterine wall, the barbs 1012 enter the uterine wall with the steel needle 202, and the barb wire 101 is stably anchored on the wall of the uterine cavity through a sufficient number of barbs 1012;

[0032] In this embodiment, the inner diameter of the coil 103 is larger than the bottom diameter of the needle tip 2021 and smaller than the diameter of the steel needle body 2022;

[0033] In this embodiment, the outer wall of the anchor rod 2 is provided with scale lines 203 arranged along the axial direction thereof, and the scale lines 203 indicate the axial distance between a certain point on the anchor rod 2 and the top end of the anchor rod 2; the distance indicated by the scale lines 203 can help the surgeon to judge the depth of penetration into the uterus and the size of the uterine cavity;

[0034] In this embodiment, a specific method of using the Mirena ring anchoring device under hysteroscopy is:

[0035] The Mirena ring is tied and fixed using a section of the lower end of the barb 1012 of the barb wire 101, under hysteroscopy monitoring; the surgeon holds the handle 201, inserts the needle tip 2021 of the steel needle 202 into the coil 103, inserts the guide wire 102 into the anchor rod 2, and passes it out from the bottom opening of the handle 201; turns the tightening knob 2011, and fixes the anchor wire 1 as a whole to the anchor rod 2 by pressing the guide wire 102; the surgeon holds the handle 201, and the steel needle 202 is inserted into the coil 103, and the guide wire 102 is inserted into the anchor rod 2. The needle 202 is inserted into the anchor rod 2 toward the bottom of the uterine cavity in the direction of the deep part of the uterine cavity, and the steel needle 202 is inserted into the bottom of the uterine cavity; the barb wire 101 and the guide wire 102 are left in the needle track caused by acupuncture, and the barb 1012 enters the uterine wall, and the barb wire 101 and the guide wire 102 are anchored on the uterine wall at an angle, and the Mirena ring is fixed in the uterine cavity along with the barb wire 101; the tightening knob 2011 is loosened, and the anchor rod 2 is withdrawn from the uterine cavity, and the redundant guide wire in the uterine cavity is cut off and removed under the monitoring of the hysteroscope;

[0036] Example 2

[0037] In this embodiment, the applicant has obtained the preferred size data of each component of the utility model based on clinical experience as follows: the total length of the barb wire 101 of the anchor wire 1 is about 10 to 20 cm, the guide wire 102 is about 20 to 30 cm, the angle of the α angle is about 10° to 30°, and the diameter of the coil 103 is about 0.5 mm; the topmost group of barbs 1012 in the plurality of groups of barbs 1012 is about 1 cm away from the coil 103, the length of the barbs 1012 is about 1 cm, and the interval between two adjacent groups of barbs 1012 is about 1 cm; the total length of the steel needle 202 is about 1 cm, and the diameter of the steel needle body 2022 is about 1.5 mm; the diameter of the anchor rod 2 is about 3 mm; but the above specific data are only common data, and should be specifically selected according to the actual size of the uterine cavity, the thickness of the uterine cavity, the size of the Mirena ring, the doctor's operating habits, etc.

[0038] In order to further enhance the practicality of the present invention, the handle 201 is appropriately lengthened and thickened, and textures may be provided on the handle 201 to increase the stability of the surgeon when holding the handle;

[0039] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A hysteroscopic Mirena ring anchoring device, characterized in that: include: Anchor lines and anchor rods; The anchor line is composed of a barbed line, a guide line and a coil; the barbed line and the guide line converge at the top on both sides of the coil, and the barbed line and the guide line are at a certain angle; the barbed line includes a line body and barbs connected to the line body; the barbs are inclined downward, and a plurality of groups are linearly arranged at the top of the line body; The anchor rod is a hollow cylindrical structure with openings at both ends, a handle with the cylindrical structure is fixedly connected to the bottom, and a steel needle is fixedly installed at an eccentric position on the top; the guide wire passes through the opening at the top of the anchor rod and exits from the opening at the bottom of the handle; the guide wire is tightened by installing a tightening knob on the handle.

2. A hysteroscopic Mirena ring anchoring device according to claim 1, characterized in that: The steel needle includes an upper needle tip and a lower steel needle body; the needle tip is a cone structure with a cone tip at the top; the steel needle body is a cylinder coaxial with the needle tip; the diameter of the bottom end of the needle tip is smaller than the diameter of the steel needle body; the axis of the steel needle is parallel to the axis of the anchor rod.

3. A hysteroscopic Mirena ring anchoring device according to claim 1, characterized in that: The barb wire forms an angle of 10°-30° with the guide wire; the topmost group of barbs is a certain distance away from the coil, and the bottommost group of barbs is at the same vertical height as the bottom end of the steel needle body; the barbs are at an angle with the wire body; and the two adjacent groups of barbs are equidistant.

4. A hysteroscopic Mirena ring anchoring device according to claim 1, characterized in that: The inner circle diameter of the coil is larger than the bottom end diameter of the needle tip at the upper part of the steel needle, and smaller than the diameter of the steel needle body at the lower part of the steel needle.

5. The hysteroscopic Mirena ring anchoring device according to claim 1, characterized in that: The outer wall of the anchor rod is provided with scale lines which are arranged linearly along the axial direction thereof, and the objects marked by the scale lines are the axial distances between a certain point on the anchor rod and the top end of the anchor rod.

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