Inserting and planting needle fixer

By designing an adjustable and stable implant needle fixator, and utilizing a combination of adjustment and support components, the problem of unstable fixation in existing technologies is solved, achieving adjustability of height and angle, and enhancing the stability of the implant needle fixator.

CN223569871UActive Publication Date: 2025-11-21CHENZHOU NO 1 PEOPLES HOSPITAL
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Patent Information

Application Number
CN202422042914.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-22
Publication Date
2025-11-21
Estimated Expiration
2034-08-22

AI Technical Summary

Technical Problem

The existing implantation needle fixation device has poor stability during use. It is easy for the fixation rod to change position inside the vagina due to the patient's leg shaking, resulting in unstable fixation.

Method used

An angle-adjustable and stable implant needle retainer was designed. The angle and height of the support ring can be adjusted by adjusting the components and the support components. The stability is improved by combining the positioning suction cup and the counterweight. The use of wing screws makes it easy to tighten or loosen to fix the support rod and the adjustable strut.

Benefits of technology

The height and angle of the implantation needle fixator are adjustable, which enhances stability during use, avoids shaking and displacement, and improves its practicality.

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Abstract

The utility model discloses a planting needle fixing device which comprises a fixing device body for a planting needle, an adjusting assembly is arranged on the lower side of the annular side face of a supporting ring, a supporting assembly is arranged at the lower end of the adjusting assembly, and a supporting rod can swing or rotate by unscrewing a positioning screw. The adjustable supporting rod can move up and down by screwing a locking screw so that medical staff can adjust the using angle and direction of the supporting ring conveniently, the adjustable supporting rod can move up and down by unscrewing a locking screw so that the medical staff can adjust the using height of the supporting ring conveniently, and the dead weight of the stable bottom plate can be increased by placing a balancing weight on the upper end face of the stable bottom plate. And the positioning suction cup can support and position the stable bottom plate, so that the stable bottom plate is prevented from displacing or shaking in the using process, the supporting stability of the supporting ring to the fixator body for inserting the needles is guaranteed, and the fixator body for inserting the needles is prevented from displacing or shaking in the using process.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of implantation needle fixing, in particular to an implantation needle fixing device. BACKGROUND

[0002] Cervical cancer and vaginal cancer are the most common gynecological tumor diseases in clinical, and radiotherapy is the main treatment method for cervical cancer and vaginal cancer. Using implantation needle as a source applicator can make the radioactive source directly enter the lesion area. The implantation needle is a needle with a closed front end, and the internal cavity provides a channel for the radioactive source to enter, controls the residence time of the radioactive source, makes the tumor target area reach the prescribed dose, and does not make the dose of the critical organ too high, so as to ensure the treatment effect and protect the normal tissue. When treating cervical cancer, the needle head of the implantation needle needs to be moved to the lesion of the patient for fixation, the fixing device is inserted into the vagina of the patient for placement, and then the needle head of the implantation needle is aligned with the lesion of the patient by inserting the implantation needle into the limiting hole in the fixing plate and the arc head, so that the implantation needle can be used for radiotherapy.

[0003] The vaginal implantation needle fixing device provided in the publication No. "CN219517602U" can wrap the fixing belt a and the fixing belt b around the thigh root of the patient when the patient's legs are clamped in the arc-shaped grooves at the front and rear ends of the fixing plate, and can stably wrap the fixing belt a and the fixing belt b around the thigh root of the patient through the adhesive part and the adhesive layer, so that the patient can stably place the fixing plate without long-term force clamping, thereby reducing the pressure on the legs of the patient.

[0004] However, the above technical solution and the prior art have the following defects:

[0005] Although the implantation needle fixing device can fix the fixing rod through the connecting belt, the fixing belt and the fixing plate, this fixing method needs to wrap and bind the fixing belt around the thigh root of the patient, and once the patient's legs shake, the position of the fixing rod in the vagina of the patient will change, and the fixing stability is poor, so the practicability needs to be improved. INVENTION CONTENTS

[0006] The utility model aims at least to solve one of the technical problems existing in the prior art. Therefore, the utility model provides an implantation needle fixing device with adjustable angle and stable support.

[0007] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0008] The utility model provides a kind of implant needle fixer, including implant needle fixer body, the support ring is sleeved on the annular side front side of implant needle fixer body, adjusting assembly is arranged on the lower side of the annular side of support ring, and adjusting assembly is used to support and angle adjustment to support ring, the lower end of adjusting assembly is provided with support assembly, and support assembly is used to support and height adjustment to adjusting assembly, adjusting assembly includes support rod and spherical support base, support rod is arranged on the lower side of the annular side of support ring, the lower end of support rod is provided with spherical support base, support assembly includes adjustable support rod and limiting vertical rod, adjustable support rod is installed with adjustable support rod below spherical support base, and limiting vertical rod is sleeved on the annular side of adjustable support rod.

[0009] Further, the upper end surface of the adjustable support rod is fixedly connected with a support seat, a limiting cover is installed on the upper end surface of the support seat, and the spherical support base is located in the containing space formed by the support seat and the limiting cover.

[0010] Further, a positioning screw is installed on the right side of the inside of the support seat, the limiting cover is annular, and the inner diameter of the limiting cover is smaller than the diameter of the spherical support base.

[0011] Further, a stable bottom plate is fixedly connected to the bottom of the limiting vertical rod, and the stable bottom plate is circular, and the annular side of the adjustable support rod is provided with a height scale.

[0012] Further, positioning suction cups are symmetrically installed on the left and right sides and the front and back sides of the lower end surface of the stable bottom plate.

[0013] Further, counterweights are symmetrically placed on the left and right sides and the front and back sides of the upper end surface of the stable bottom plate.

[0014] Further, anti-slip silica gel pieces are bonded to the left and right end surfaces of the counterweights.

[0015] Further, a locking screw is installed on the right side of the inside of the limiting vertical rod, a limiting cavity is formed in the inside of the limiting vertical rod, and the limiting cavity is matched with the adjustable support rod.

[0016] Further, a mounting screw is installed on the upper side of the annular side of the support ring, and the inner diameter of the support ring is the same as the diameter of the implant needle fixer body.

[0017] Further, a central through hole is formed in the middle of the inside of the implant needle fixer body, and the diameter of the central through hole is 1 cm, a plurality of needle channels are formed in the inside of the implant needle fixer body, and the plurality of needle channels are matched with external implant needles, the diameter of the needle channel is 3 mm, and the diameter of the implant needle fixer body is 6 cm.

[0018] The utility model has the following beneficial effects:

[0019] 1、The implant needle fixer of the scheme can support and adjust the angle of the support ring through the setting of the adjusting assembly, and can support and adjust the height of the adjusting assembly through the setting of the supporting assembly.

[0020] 2、By loosening the locking screw, the adjustable support rod can be moved up and down to adjust the use height of the support ring by medical staff, and by placing the counterweight on the upper end face of the stable bottom plate, the self-weight of the stable bottom plate can be increased, and the positioning suction cup can support and position the stable bottom plate, so that displacement or shaking of the stable bottom plate during use is avoided, thereby ensuring the support stability of the support ring to the implant needle fixer body.

[0021] 3、By loosening the positioning screw, the support rod can be swung or rotated to adjust the use angle and direction of the support ring by medical staff, so that the support ring can match the implant needle fixer body with different use angles, and the limiting cover and the support seat can limit and support the spherical support base, avoiding loosening of the spherical support base after being fixed by the positioning screw, and having good practicability.

[0022] In addition to the purposes, features and advantages described above, the present application has other purposes, features and advantages. The present application will be further described below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0023] The drawings that form a part of this application are used to provide a further understanding of the present application, and the schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0024] Figure 1 is a schematic diagram of the overall structure of the present application;

[0025] Figure 2 is a structure diagram of the adjusting assembly and the supporting assembly in the present application;

[0026] Figure 3 is a front view cross-sectional view of the adjusting assembly and the supporting assembly in the present application;

[0027] Figure 4 is a partial structure diagram of the adjusting assembly in the present application;

[0028] Figure 5 is a partial structure diagram of the adjusting assembly and the supporting assembly in the present application.

[0029] LEGEND:

[0030] 100, the fixed body of the implant needle; 101, the implant needle channel; 102, the center through hole; 200, the support ring; 201, the mounting screw; 300, the adjusting assembly; 301, the support rod; 302, the limiting cover; 303, the support seat; 304, the positioning screw; 305, the spherical support; 400, the support assembly; 401, the adjustable support rod; 402, the limiting vertical rod; 4021, the limiting cavity; 403, the stable bottom plate; 404, the positioning suction cup; 405, the counterweight; 406, the anti-skid silica gel sheet; 407, the locking screw; 408, the height scale line. DETAILED DESCRIPTION

[0031] It should be understood that the specific embodiments described herein are merely exemplary and do not limit the present application.

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications will also change accordingly.

[0034] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of those skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the scope of protection required by the present application.

[0035] Please refer to Figures 1 to 5The utility model provides an implant needle fixer in one preferred embodiment, including implant needle is with fixer body 100, implant needle is with fixer body 100 annular side front side is equipped with support ring 200, support ring 200 inner diameter is same with implant needle is with fixer body 100 diameter, support ring 200 can support implant needle is with fixer body 100, support ring 200 annular side upper side is equipped with mounting screw 201, and mounting screw 201 is butterfly type screw, and the mounting screw 201 of butterfly type screw is convenient for medical staff to tighten or loosen with bare hands to support ring 200 is installed or disassembled.

[0036] The center through hole 102 is provided in the middle position of the implant needle fixer body 100, and the hole diameter of the center through hole 102 is 1 cm. The center through hole 102 with a hole diameter of 1 cm facilitates the insertion of the external cervical canal into the implant needle fixer body 100. A plurality of needle channels 101 are provided in the implant needle fixer body 100, and the plurality of needle channels 101 are matched with the external implant needle. The plurality of needle channels 101 are equally spaced by reference to the clock. The needle channel 101 has a hole diameter of 3 mm. The plurality of needles equally spaced by reference to the clock facilitate the medical staff to insert the external implant needle into different positions in the implant needle fixer body 100 according to the needs. The implant needle fixer body 100 has a diameter of 6 cm. The implant needle fixer body 100 with a diameter of 6 cm has little discomfort during insertion into the patient's vagina. Since the internal detailed structure and working principle of the implant needle fixer body 100 are both mature technologies, further description is not provided here.

[0037] The support ring 200 is provided with an adjusting assembly 300 on the lower side of the annular side, and the adjusting assembly 300 is used for supporting and adjusting the angle of the support ring 200, so that the support ring 200 can support and fix the implant needle fixer body 100 with different use angles. The adjusting assembly 300 is provided with a support assembly 400 at the lower end, and the support assembly 400 is used for supporting and adjusting the height of the adjusting assembly 300.

[0038] The adjusting assembly 300 comprises a support rod 301 and a spherical support base 305, the support rod 301 is arranged on the lower side of the annular side of the support ring 200, the support rod 301 is in an integrated structure with the support ring 200 and the spherical support base 305, the support rod 301 can support the support ring 200, the lower end of the support rod 301 is provided with the spherical support base 305, the spherical support base 305 can not only support the support rod 301, but also enable the support rod 301 to swing, the upper end surface of the adjustable support rod 401 is fixedly connected with a support base 303, the support base 303 is connected with the adjustable support rod 401 through welding, the support base 303 can support and limit the spherical support base 305, a limiting cover 302 is arranged on the upper end surface of the support base 303, the limiting cover 302 is in a circular ring shape, the inner diameter of the limiting cover 302 is smaller than the diameter of the spherical support base 305, the limiting cover 302 in the circular ring shape and with the inner diameter smaller than the diameter of the spherical support base 305 can avoid the spherical support base 305 from moving up and down during use, and a positioning screw 304 is arranged on the right side in the support base 303, the positioning screw 304 is a butterfly screw, and the positioning screw 304 in the butterfly screw can be tightened or loosened by medical staff with hands, so that the spherical support base 305 is positioned.

[0039] In further embodiments of the present application, by loosening the locking screw 407, the adjustable support rod 401 can be moved up and down, so that the medical staff can adjust the use height of the support ring 200, by placing the counterweight 405 on the upper end surface of the stable bottom plate 403, the weight of the stable bottom plate 403 can be increased, and the positioning suction cup 404 can support and position the stable bottom plate 403, so that the stable bottom plate 403 is prevented from moving or shaking during use, thereby ensuring the support stability of the support ring 200 to the fixed body 100 of the implant needle.

[0040] The support assembly 400 comprises an adjustable support rod 401 and a limiting vertical rod 402, the adjustable support rod 401 is arranged below the spherical support base 305, the adjustable support rod 401 can support the support base 303, the limiting vertical rod 402 is sleeved on the annular side of the adjustable support rod 401, the limiting vertical rod 402 is connected with the stable bottom plate 403 through welding, the limiting vertical rod 402 can limit the adjustable support rod 401, the stable bottom plate 403 is fixedly connected to the bottom of the limiting vertical rod 402, and the stable bottom plate 403 is in a circular shape, the stable bottom plate 403 in the circular shape can stably support the limiting vertical rod 402, the annular side of the adjustable support rod 401 is provided with a height scale line 408, the height scale line 408 can help medical staff to observe the height of the adjustable support rod 401, so that the use height of the support base 303 can be more accurately adjusted.

[0041] The left and right sides and the front and back sides of the lower end face of the stable base plate 403 are symmetrically provided with positioning suction cups 404, which can be adsorbed on the ground outside, so as to support and position the stable base plate 403, and avoid displacement of the stable base plate 403 during use. The left and right sides and the front and back sides of the upper end face of the stable base plate 403 are symmetrically provided with counterweights 405, which can further increase the weight of the stable base plate 403, and avoid easy shaking of the stable base plate 403 during use. The left and right end faces of the counterweight 405 are bonded with anti-skid silica gel sheets 406, which make the left and right end faces of the counterweight 405 better in anti-skid property, and avoid easy slipping of the counterweight 405 during taking. The right side of the limiting vertical rod 402 is provided with a locking screw 407, which is a butterfly screw. The locking screw 407 is convenient for medical staff to tighten or loosen by hand, so as to position the adjustable support rod 401. The limiting vertical rod 402 is internally provided with a limiting cavity 4021, which is matched with the adjustable support rod 401. The limiting cavity 4021 is convenient for the adjustable support rod 401 to be inserted and used in the limiting vertical rod 402.

[0042] Working principle: first, the patient lies on the gynecological examination bed outside and adjusts the body position to the required state, and then the medical staff slowly inserts the implant needle into the patient's vagina with the body 100 of the fixator, and then places the stable base plate 403 on the ground beside the gynecological examination bed, and then loosens the locking screw 407. At this time, the adjustable support rod 401 can be moved up and down, so as to adjust the use height of the support ring 200 to match the height of the implant needle fixator body 100. Then, the positioning screw 304 is loosened, and at this time the support rod 301 can be swung to adjust the use angle of the support ring 200. At the same time, the support ring 200 is sleeved on the front side of the annular side surface of the implant needle fixator body 100 from front to back, and then the mounting screw 201 is tightened to fix the support ring 200 on the annular side surface of the implant needle fixator body 100 (refer to Figure 1), and after the fixing is completed, the counterweight 405 is placed on the upper end surface of the stable base plate 403 and pressed, so that the positioning suction cup 404 is adsorbed to the ground, thereby positioning the stable base plate 403; at this time, one medical staff member fine-tunes the implant needle fixing device body 100, and after the adjustment is completed, the other medical staff member tightens the positioning screw 304 and the locking screw 407, respectively, so as to position the spherical support base 305 and the adjustable support rod 401, respectively, so that the stable base plate 403 supports and fixes the adjustable support rod 401 through the limiting vertical rod 402, the adjustable support rod 401 supports and fixes the support rod 301 through the support seat 303 and the spherical support base 305, and the support rod 301 supports and fixes the implant needle fixing device body 100 through the support ring 200, thereby avoiding the implant needle fixing device body 100 from shaking or moving during use; when it is necessary to take out the implant needle fixing device body 100 from the inside of the patient's vagina, the medical staff member first loosens the installation screw 201, and then further pushes the implant needle fixing device body 100 a distance to the rear side, so that the implant needle fixing device body 100 is separated from the support ring 200, and then the locking screw 407 is loosened, at this time, the adjustable support rod 401 can be moved downward, so as to drive the support ring 200 to move downward together, until the height of the upper side of the annular side surface of the support ring 200 is lower than the height of the lower side of the annular side surface of the implant needle fixing device body 100, at this time, the medical staff member can slowly move the implant needle fixing device body 100 to the front side to take it out from the inside of the patient's vagina; when it is necessary to separate the positioning suction cup 404 from the ground, the medical staff member first removes the counterweight 405 from the stable base plate 403, and then uses external sheet tools to gently pry the edge of the positioning suction cup 404, until some air enters, so as to reduce the adsorption force of the positioning suction cup 404, and then the stable base plate 403 is lifted and pulled, so that the positioning suction cup 404 is separated from the ground, thereby transferring and cleaning and disinfecting the support assembly 400 and the adjusting assembly 300.

[0043] The preferred embodiments of the utility model are described above, and the utility model is not limited to the embodiments. Those skilled in the art can make various changes and modifications to the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An implant needle holder comprising an implant needle holder body (100) for an implant needle, characterized in that: The support ring (200) is provided on the front side of the annular side of the implant needle fixing body (100), an adjusting assembly (300) is arranged on the lower side of the annular side of the support ring (200), and the adjusting assembly (300) is used for supporting and angle adjusting of the support ring (200); a support assembly (400) is arranged at the lower end of the adjusting assembly (300), and the support assembly (400) is used for supporting and height adjusting of the adjusting assembly (300). The adjusting assembly (300) comprises a support rod (301) and a spherical support base (305), the support rod (301) is arranged on the lower side of the annular side of the support ring (200), and the spherical support base (305) is arranged at the lower end of the support rod (301); the support assembly (400) comprises an adjustable support rod (401) and a limiting vertical rod (402), the adjustable support rod (401) is arranged below the spherical support base (305), and the limiting vertical rod (402) is sleeved on the annular side of the adjustable support rod (401).

2. An anchor according to claim 1, wherein The upper end surface of the adjustable support rod (401) is fixedly connected with a support base (303), the upper end surface of the support base (303) is provided with a limiting cover (302), and the spherical support base (305) is arranged in a containing space formed by the support base (303) and the limiting cover (302).

3. An anchor according to claim 2, wherein The right side of the support base (303) is provided with a positioning screw (304) for fixing the spherical support base (305), the limiting cover (302) is in the shape of a circular ring, and the inner diameter of the limiting cover (302) is smaller than the diameter of the spherical support base (305).

4. An anchor according to claim 1, wherein The limiting vertical rod (402) is fixedly connected with a stable bottom plate (403) at the bottom, and the stable bottom plate (403) is in the shape of a circle, and the annular side of the adjustable support rod (401) is provided with a height scale line (408).

5. An anchor according to claim 4, wherein The lower end surface of the stable bottom plate (403) is symmetrically provided with positioning suction cups (404) on the left and right sides and the front and back sides.

6. An anchor according to claim 4, wherein: The upper end surface of the stable bottom plate (403) is symmetrically provided with counterweight blocks (405) on the left and right sides and the front and back sides.

7. An anchor according to claim 6, wherein The left and right end surfaces of the counterweight blocks (405) are bonded with anti-skid silica gel sheets (406).

8. An anchor according to claim 1 wherein: The right side of the limiting vertical rod (402) is provided with a locking screw (407), and the limiting vertical rod (402) is provided with a limiting cavity (4021) matched with the adjustable support rod (401).

9. An anchor according to claim 1, wherein, The upper side of the annular side of the support ring (200) is provided with a mounting screw (201), and the inner diameter of the support ring (200) is the same as the diameter of the implant needle fixing body (100).

10. An anchor according to claim 1, wherein A center through hole (102) with a diameter of 1 cm is arranged at the middle position in the implant needle fixing body (100), a plurality of needle channels (101) are arranged in the implant needle fixing body (100), the needle channels (101) are matched with external implant needles, the diameter of the needle channels (101) is 3 mm, and the diameter of the implant needle fixing body (100) is 6 cm.

Citation Information

Patent Citations

  • Vagina implantation needle fixer

    CN219517602U