Search

CN-122004947-A - Thyroid nodule puncture biopsy auxiliary device

CN122004947ACN 122004947 ACN122004947 ACN 122004947ACN-122004947-A

Abstract

The invention provides a thyroid nodule puncture biopsy auxiliary device, and belongs to the field of medical appliances. A thyroid nodule puncture biopsy auxiliary device comprises a supporting structure, a positioning structure and a fixing structure, wherein the supporting structure comprises supporting legs, supporting legs and fixing blocks, the supporting structure is symmetrically arranged, the positioning structure comprises a rotating shaft, a positioning ring and a rotating ring, the fixing structure is arranged on the rotating ring, and the fixing structure comprises a hinge, a hand fixing device and a puncture fixing device. Compared with the prior art, the hand fixing device has the beneficial effects of improving the puncture accuracy, enhancing the stability, improving the operation convenience, reducing the dependence on the technical level of doctors, improving the experience of patients, reducing the discomfort of constraint, and reducing the puncture pain and discomfort.

Inventors

  • ZHOU XUDONG
  • XIA JIE

Assignees

  • 华中科技大学同济医学院附属同济医院

Dates

Publication Date
20260512
Application Date
20251118

Claims (10)

  1. 1. The thyroid nodule puncture biopsy auxiliary device is characterized by comprising a supporting structure (1), a positioning structure (2) and a fixing structure (3); The support structure (1) comprises support legs (101), support legs (102) are arranged on the support legs (101), fixing blocks (103) are arranged at the tops of the support legs (102), and the support structure (1) is symmetrically arranged; The positioning structure (2) comprises a rotating shaft (201), a positioning ring (202) is arranged on the rotating shaft (201), a rotating ring (203) is arranged in the positioning ring (202), and a fixing structure (3) is arranged on the rotating ring (203); The fixing structure (3) comprises a hinge (301), a hand fixing device (302) is arranged on the hinge (301), a screw (303) is inserted into the hinge, and a puncture fixing device (304) is arranged at the end part of the screw (303).
  2. 2. The thyroid nodule biopsy auxiliary device of claim 1, wherein the supporting feet (101) are provided with supporting feet (104), the supporting legs (102) are fixedly connected to the supporting feet (101), and the supporting legs (102) are telescopic and adjustable supporting legs.
  3. 3. A thyroid nodule biopsy assistance device according to claim 2, wherein the support legs (102) are pneumatically height adjustable and are externally connected to an air pump.
  4. 4. The thyroid nodule biopsy auxiliary device of claim 1, wherein the rotating shaft (201) is fixedly arranged on the inner side of the fixed block (103), the rotating shafts (201) on two sides are arranged in opposite directions, the positioning ring (202) is annular and is a split type positioning ring (202), a groove is formed in a split position of the positioning ring (202) and is rotationally connected with the rotating shaft (201), a groove (204) is formed in the inner side of the split type positioning ring (202), the rotating ring (203) is in matched connection with the groove (204), and a rubber pad (205) is arranged on the inner ring of the rotating ring (203).
  5. 5. The thyroid nodule biopsy auxiliary device of claim 1, wherein the hinges (301) are symmetrically distributed and fixedly connected to the rotating ring (203), the hinges (301) are provided with hand fixing clips (305), the hand fixing clips (305) are arc-shaped, reset springs (306) are arranged on the outer sides of the hand fixing clips (305), one ends of the reset springs (306) are fixed on the hand fixing clips (305), and the other ends of the reset springs are fixed on the reset plate (307).
  6. 6. A thyroid nodule puncture biopsy assistance device as claimed in claim 5, wherein the hand fixation clamps (305) are symmetrically distributed in a semi-arc shape, and the hand fixation clamps (305) on both sides are in contact with each other and aligned away from the end connected to the rotation ring (203).
  7. 7. The thyroid nodule biopsy auxiliary device of claim 5, wherein the reset plate (307) is fixed on the rotating ring (203), the reset plate (307) is symmetrically distributed in the same semicircle, and the reset plate (307) is provided with a spring mounting groove (308).
  8. 8. The thyroid nodule biopsy auxiliary device of claim 5, wherein the hinge (301) is a three-section hinge, the circle centers of the three sections of hinges (301) are all provided with through holes, the through holes of the hinges (301) at two ends are threaded holes, the through holes at the middle section are smooth holes, and the aperture of the smooth holes is larger than that of the threaded holes.
  9. 9. The thyroid nodule puncture biopsy auxiliary device of claim 1, wherein the puncture fixing device (304) comprises a fixing plate (309), two ends of the fixing plate (309) are sleeved on screw rods (303) on two sides through holes, a puncture needle limiting hole (310) is formed in the center of the fixing plate (309), a puncture needle limiting cylinder (311) is arranged at the outer edge of the puncture needle limiting hole (310), and a needle limiting hole (312) is formed in the end of the puncture needle limiting cylinder (311).
  10. 10. The thyroid nodule biopsy auxiliary device of claim 9, wherein the side of the fixing plate (309) far from the hand fixing device (302) is provided with an adjusting nut (313), the adjusting nut (313) is symmetrically arranged at the end of the screw (303), and the other end of the screw (303) is also provided with the adjusting nut (313).

Description

Thyroid nodule puncture biopsy auxiliary device Technical Field The invention belongs to the field of medical appliances, and particularly relates to a thyroid nodule puncture biopsy auxiliary device. Background Thyroid nodules are clinically common disorders that can be caused by a variety of etiologies, and diagnosis thereof is of great importance for the treatment of thyroid disorders. Thyrocentesis biopsy is conventionally used as an effective diagnostic means in the first step of the diagnostic procedure for nodular thyroid disease. The ultrasonic guided Fine Needle Aspiration Biopsy (FNAB) has become the first pathological diagnosis method before thyroid nodule operation because of the advantages of high efficiency, minimally invasive, safety, good cost effectiveness and the like, and the accuracy of identifying benign and malignant diseases can reach 85% -94%. At present, the technology is widely applied in clinic and continuously developed, and an accurate system for whole-course diagnosis and treatment of thyroid nodule is constructed through multidisciplinary integration, technical standardization and layering management strategies in China expert consensus and operation guidelines for thyroid nodule and cervical lymph node fine needle puncture biopsy under ultrasound guidance of 2025 edition. However, existing thyropuncture biopsy techniques and related devices still suffer from several drawbacks. On the one hand, the operation of aspiration biopsy is complicated, a plurality of persons are usually required to cooperate, a doctor needs to hold an ultrasonic probe to align the thyroid gland position, and hold an anesthetic needle or a puncture needle by the other hand, so that a nurse can transfer the anesthetic needle and the puncture needle by the doctor, the requirement on the doctor level is high, and the operation efficiency of thyroid gland puncture is greatly influenced. On the other hand, there is room for improvement in the existing puncture device in terms of stability, positioning accuracy, patient comfort, and the like. For example, a doctor is required to hold an ultrasonic probe in the process of puncturing, the accuracy of puncturing can be affected by hand shake, partial devices are not stable enough when fixing the body position of a patient, especially the body position of the neck, the puncture needle can be offset, and the position of the ultrasonic probe is required to be continuously adjusted in the process of puncturing, so that effective fixing and guiding devices are lacked, and the puncturing efficiency and accuracy are affected. In addition, the prior device has the defects in the aspects of hand fixation and puncture needle fixation, and is difficult to meet the requirement of accurate puncture. The existing thyroid aspiration biopsy technology and related devices mainly have the problems of complex operation, high requirements on the level of doctors, insufficient stability, limited positioning precision and the like. Disclosure of Invention The invention aims to provide a thyroid nodule puncture biopsy auxiliary device aiming at the defect and leakage in the prior art. In order to achieve the aim, the technical scheme adopted by the invention is that the thyroid nodule puncture biopsy auxiliary device comprises a supporting structure, a positioning structure and a fixing structure; the support structure comprises support legs, the support legs are arranged on the support legs, the top parts of the support legs are provided with fixing blocks, and the support structure is symmetrically arranged; the positioning structure comprises a rotating shaft, a positioning ring is arranged on the rotating shaft, a rotating ring is arranged in the positioning ring, and a fixing structure is arranged on the rotating ring; the fixing structure comprises a hinge, a hand fixing device is arranged on the hinge, a screw rod is inserted into the hinge, and a puncture fixing device is arranged at the end part of the screw rod. Further, the supporting legs are provided with supporting feet, the supporting legs are fixedly connected to the supporting legs, and the supporting legs are telescopic and adjustable. Further, the supporting legs are pneumatically adjusted in height and externally connected with an air pump. Further, the pivot fixed mounting is inboard at the fixed block, and both sides pivot subtend sets up, and the holding ring is the annular, for split type holding ring, and holding ring components of a whole that can function independently department is equipped with the recess and rotates with the pivot to be connected, and split type holding ring inboard is equipped with the recess, and the holding ring is connected with the recess cooperation, and the rubber pad is installed to holding ring inner circle. Further, the hinges are symmetrically distributed and fixedly connected to the rotating ring, the hinges are provided with hand fixing clamps which are arc-shaped, reset spr