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CN-122005020-A - Ultrasonic guiding intervention puncture angle adjustable guiding and limiting device

CN122005020ACN 122005020 ACN122005020 ACN 122005020ACN-122005020-A

Abstract

The invention relates to the technical field of medical instruments, in particular to an ultrasonic guiding interventional puncture angle adjustable guiding and limiting device, which comprises a connecting frame and an ultrasonic probe, wherein a placing groove is formed in the connecting frame, the ultrasonic probe is clamped in the placing groove, a fixing frame is connected to the outer side of the connecting frame, a guide plate is movably connected to the inner side of the fixing frame, and an adjusting component is arranged in the fixing frame. According to the invention, through the arrangement of the adjusting component, the accurate and flexible adjustment of the puncture angle is realized, the unidirectional angle locking can be realized in the rotating process of the guide plate, the adjusting angle in the range can be intuitively read by matching the indication arrow at the outer end of the first rotating shaft with the scale marks on the surface of the fixing frame, and the sliding limit of the sliding block in the guide component along the sliding groove is combined, so that the stability and the operation convenience of the puncture angle adjustment are effectively improved, and the accurate puncture requirements in different clinical scenes are met.

Inventors

  • LI JUN
  • ZHANG WENZHI

Assignees

  • 杭州市红十字会医院(浙江省中西医结合医院、浙江中医药大学附属中西医结合医院)

Dates

Publication Date
20260512
Application Date
20260313

Claims (8)

  1. 1. The ultrasonic guiding intervention puncture angle adjustable guiding and limiting device comprises a connecting frame (1) and an ultrasonic probe (2) and is characterized in that a placing groove (7) is formed in the connecting frame (1), the ultrasonic probe (2) is clamped in the placing groove (7), a fixing frame (3) is connected to the outer side of the connecting frame (1), a guide plate (4) is movably connected to the inner side of the fixing frame (3), an adjusting component (5) is arranged in the fixing frame (3), The guide plate (4) consists of a positioning plate (401), a first rotating shaft (402) and a placing pipe (403), wherein the first rotating shaft (402) is fixedly connected to the bottom of the positioning plate (401), and the placing pipe (403) is connected to the surface of the positioning plate (401); The adjusting component (5) comprises a first movable groove (501), a ratchet wheel (502), a second rotating shaft (503), a movable plate (504) and teeth (505), wherein the first movable groove (501) is formed in the fixing frame (3), the ratchet wheel (502) is connected to the outer side of the first rotating shaft (402), the second rotating shaft (503) is arranged on the inner wall of the fixing frame (3), the movable plate (504) is arranged on the outer side of the second rotating shaft (503), and the teeth (505) are arranged at the end of the movable plate (504).
  2. 2. The ultrasonic guided interventional puncture angle adjustable guide limiting device of claim 1, wherein a guide assembly (6) is arranged at the top of the guide plate (4), the guide assembly (6) comprises guide rings (601), sliding grooves (602) and sliding blocks (603), two groups of guide rings (601) are symmetrically connected to the outer side of the connecting frame (1), the sliding grooves (602) are formed in the guide rings (601), and the sliding blocks (603) are connected to the top of the positioning plate (401).
  3. 3. The ultrasonic guided interventional puncture angle adjustable guide limiting device of claim 1, wherein the ratchet wheel (502) faces opposite to the teeth (505), and a second rotating shaft (503) is fixedly connected to the outer side of the teeth (505).
  4. 4. The ultrasonic guiding interventional puncture angle adjustable guiding and limiting device according to claim 1, wherein a positioning assembly (8) is arranged on the inner wall of the placing groove (7), the positioning assembly (8) comprises a second movable groove (801), a positioning block (802), a return spring (803) and a telescopic rod (804), the second movable groove (801) is formed in the connecting frame (1), the positioning block (802) is movably connected to the second movable groove (801), the return spring (803) is arranged in the second movable groove (801), two ends of the return spring (803) are respectively abutted against the inner walls of the positioning block (802) and the second movable groove (801), and the telescopic rod (804) is connected to the second movable groove (801).
  5. 5. The ultrasonic guided interventional puncture angle adjustable guide limiting device of claim 1, wherein the two movable plates (504) are S-shaped, and a connecting rod (506) is fixedly connected between the outer ends.
  6. 6. The ultrasonic guided interventional puncture angle adjustable guide limiting device of claim 1, wherein a fixing plate (405) is fixedly connected to the outer surface of the first movable groove (501), a laser emitter (406) is connected to the inside of the fixing plate (405), and the laser emitter (406) is connected with the fixing plate (405) through a first knob (407).
  7. 7. The ultrasonic guided interventional puncture angle adjustable guide limiting device of claim 1, wherein an indication arrow (404) is fixedly connected to the outer end of the first rotating shaft (402), and graduation lines are arranged on the outer surface of the fixing frame (3).
  8. 8. The ultrasonic guided interventional puncture angle adjustable guide limiting device according to claim 2, wherein the outer end of the sliding block (603) is connected with a second knob (604) in a threaded manner.

Description

Ultrasonic guiding intervention puncture angle adjustable guiding and limiting device Technical Field The invention relates to the technical field of medical instruments, in particular to an ultrasonic guided interventional puncture angle adjustable guide limiting device. Background Interventional ultrasound is a technique for performing accurate minimally invasive diagnosis and treatment by utilizing real-time ultrasound imaging guidance, and is widely applied to clinic. With the development of ultrasonic interventional technology, the fields of puncture biopsy, drainage, tumor ablation, vascular intervention and the like under ultrasonic guidance are developed. However, the ultrasound interventional technology relies on doctor operation experience and equipment support, and many primary hospitals may not be able to develop. The traditional ultrasonic guided interventional device has the obvious limitation in clinical practical operation that when the puncture guiding angle is faced with individual differences (such as body type and focus depth) of patients, complex anatomical structures (such as important blood vessels or organ shielding) or special puncture path requirements, the fixed angle cannot be flexibly adjusted, the puncture precision is easily reduced, the operation time is prolonged, the tissue injury risk is even increased, and the clinical requirements of accurate interventional treatment are difficult to meet. Disclosure of Invention The invention aims to provide an ultrasonic guided interventional puncture angle adjustable guide limiting device so as to solve the problems that the puncture guide angle of the traditional ultrasonic guided interventional device provided in the background art is always fixed, the puncture precision is easy to decrease, the operation time is prolonged, the risk of tissue injury is even increased, and the clinical requirement of accurate interventional treatment is difficult to meet. In order to achieve the aim, the invention provides the technical scheme that the ultrasonic guiding interventional puncture angle adjustable guiding and limiting device comprises a connecting frame and an ultrasonic probe, wherein a placing groove is formed in the connecting frame, the ultrasonic probe is clamped in the placing groove, a fixing frame is connected to the outer side of the connecting frame, a guide plate is movably connected to the inner side of the fixing frame, an adjusting component is arranged in the fixing frame, The guide plate consists of a positioning plate, a first rotating shaft and a placing pipe, wherein the first rotating shaft is fixedly connected to the bottom of the positioning plate, and the placing pipe is connected to the surface of the positioning plate; The adjusting component comprises a first movable groove, a ratchet wheel, a second rotating shaft, a movable plate and teeth, wherein the first movable groove is formed in the fixing frame, the ratchet wheel is connected to the outer side of the first rotating shaft, the second rotating shaft is arranged on the inner wall of the fixing frame, the movable plate is arranged on the outer side of the second rotating shaft, and the teeth are arranged at the end heads of the movable plate. Preferably, the top of deflector is provided with the direction subassembly, the direction subassembly includes guide ring, spout and slider, the outside symmetry of link is connected with two sets of guide rings, the spout has been seted up to the inside of guide ring, the top of locating plate is connected with the slider. Preferably, the ratchet is opposite to the teeth, and a second rotating shaft is fixedly connected to the outer side of the teeth. Preferably, the inner wall of standing groove is provided with locating component, locating component includes second movable groove, locating piece, reset spring and telescopic link, the second movable groove has been seted up to the inside of link, the inside swing joint in second movable groove has the locating piece, the inside in second movable groove is provided with reset spring, reset spring's both ends offset with the inner wall in locating piece and second movable groove respectively, the internally connected in second movable groove has the telescopic link. Preferably, the two groups of movable plates are S-shaped, and a connecting rod is fixedly connected between the outer ends of the two groups of movable plates. Preferably, the surface fixedly connected with fixed plate of first movable groove, the internal connection of fixed plate has laser emitter, laser emitter is connected with the fixed plate through first knob. Preferably, the outer end of the first rotating shaft is fixedly connected with an indication arrow, and the outer surface of the fixing frame is provided with scale marks. Preferably, the outer end of the sliding block is connected with a second knob in a threaded manner. Compared with the prior art, the invention has the beneficial effect