Device for CT image guiding and auxiliary positioning
By designing a device for CT image guidance, using a telescopic rod and a flexible measuring ruler, the problem of the inability to accurately position and fix the lead wire was solved, achieving accurate measurement and stable positioning of the puncture point.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2026-04-10
AI Technical Summary
Existing lead wires cannot accurately locate the puncture point in CT scans and are not easy to fix, resulting in puncture point displacement.
A device comprising a fixing component, an adjusting component, and a measuring ruler was designed. Through a telescopic rod, a telescopic arm, and a flexible measuring ruler, it achieves precise fit to the patient's body surface and multi-directional measurement.
It enables precise positioning and fixation of the puncture point under CT image guidance, improving the accuracy and stability of the measurement.
Smart Images

Figure CN224099430U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical instrument related technical field especially, a device for CT image guide auxiliary positioning. BACKGROUND
[0002] CT (Computed Tomography, computer tomography) technology mainly utilizes the penetration of X ray to generate the image of the inside of object. In CT scanning, different materials have different absorption and scattering degrees to X ray, so they have different performances in CT image.
[0003] At present, in clinical operation, the lead wire made by oneself is often used as the positioning of puncture point, but the lead wire has no scale, cannot accurately position the puncture point, and the lead wire is not easy to fix on the body surface of patient, is easy to move and causes the deviation of puncture point. UTILITY MODEL CONTENT
[0004] In view of the deficiency of prior art, the utility model provides the following technical scheme:
[0005] A device for CT image guide auxiliary positioning, including fixed assembly, adjusting assembly and measuring scale, the adjusting assembly includes telescopic link and telescopic arm, one end of telescopic link is detachable with fixed assembly, one end is movably connected with the tail end of telescopic arm, the measuring scale is movably connected with the head end of telescopic arm.
[0006] Further, the fixed assembly includes the bottom plate and the side seat on both sides of the bottom plate, and the side plate is slidably arranged above the side seat, the connecting plug is fixedly arranged on the side seat, and the connecting plug is slidably inserted into the bottom plate from the side edge of the bottom plate, the lower end of the side plate is slidably sleeved above the side seat, the upper end of the side plate is provided with a mounting hole, and the lower end of the telescopic link is inserted into the mounting hole.
[0007] Further, the upper end of the telescopic link is rotatably installed with a connecting head one, the tail end of the telescopic arm is rotatably connected with the connecting head one, the head end of the telescopic arm is rotatably installed with a connecting head two, the connecting head two is rotatably installed with a mounting seat, and one end of the measuring scale is fixedly installed on the mounting seat.
[0008] Further, the upper surface of the bottom plate is an arc concave structure, and the opposite surfaces of the two side plates are arc concave structures.
[0009] Further, the measuring scale is a flexible structure, and an indicating block is slidably arranged on the measuring scale.
[0010] Further, the middle part of the measuring scale is a hollow structure.
[0011] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:
[0012] The utility model discloses when using, the bottom plate of fixed assembly is pressed under the patient, and the side seat is slidably installed on both sides of the bottom plate, and the side plate is slidably arranged on the side seat, and the side plate is driven to adhere to the both sides of the patient through the sliding side seat, the telescopic rod of adjusting assembly is inserted above the side plate, and the measuring scale is fixedly installed on the adjusting assembly, thereby realizing that the measuring scale is fixed on the patient, the height of the measuring scale can be adjusted through the telescopic telescopic rod, the angle of the mounting seat connected with the measuring scale can be adjusted through the telescoping and rotating of telescopic arm, makes it adhere to the patient surface, and the angle of the measuring scale can be adjusted through the rotation of the mounting seat, thereby realizing multiple direction measurement, and through the flexible structure of the measuring scale, it can adhere to the chest and abdominal part of the patient, and the measurement is more accurate, through the hollow structure in the middle of the measuring scale, it is favorable to imaging. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 It is three-dimensional structure schematic diagram of the utility model;
[0014] Fig. 2 It is adjusting assembly and measuring scale mounting structure schematic diagram of the utility model.
[0015] In the drawing: bottom plate -1, connecting insert -2, side seat -3, side plate -4, mounting hole -401, telescopic rod -5, connecting head one -6, telescopic arm -7, connecting head two -8, mounting seat -9, indicating block -10, measuring scale -11. DETAILED DESCRIPTION
[0016] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0017] Embodiment 1:
[0018] Please refer to Figs. 1-2 A device for CT image-guided auxiliary positioning, including fixed assembly, adjusting assembly and measuring scale 11, the adjusting assembly includes telescopic rod 5 and telescopic arm 7, one end of telescopic rod 5 is detachably connected with fixed assembly, one end is movably connected with the tail end of telescopic arm 7, the measuring scale 11 is movably connected with the head end of telescopic arm 7;
[0019] In the embodiment, the upper end of the telescopic rod 5 is rotatably connected with a connecting head 1, the tail end of the telescopic arm 7 is rotatably connected with the connecting head 1, the head end of the telescopic arm 7 is rotatably connected with a connecting head 2, the connecting head 2 is rotatably connected with a mounting seat 9, and one end of the measuring ruler 11 is fixedly connected with the mounting seat 9; if a space coordinate system is established on the connecting head 1, the Z axis corresponds to the axis of the telescopic rod 5, and the connecting head 1 rotates around the Z axis; the tail end of the telescopic arm 7 rotates around the Y axis; similarly, a space coordinate system is established on the connecting head 2, the mounting seat 9 rotates around the Z axis, and the head end of the telescopic arm 7 rotates around the Y axis.
[0020] In the embodiment, the height of the telescopic arm 7 and the measuring ruler 11 can be adjusted by the telescopic rod 5, the mounting seat 9 connected with the measuring ruler 11 can be adjusted to be close to the body surface by the rotation and telescopic adjustment of the connecting head 1 and the telescopic arm 7, and the inclination angle of the mounting seat 9 can be adjusted by the rotation of the connecting head 2, so that the mounting seat 9 is better fitted to the body surface, the measuring ruler 11 is better fitted to the skin, and the measurement is more accurate; the measuring ruler 11 can be rotated by the rotation of the mounting seat 9, the angle of the measuring ruler 11 is adjusted, and multiple direction measurements are realized.
[0021] Embodiment 2
[0022] Please refer to Figs. 1-2 According to Embodiment 1, the measuring ruler 11 is a flexible structure, the indicating block 10 is slidably arranged on the measuring ruler 11, and the middle part of the measuring ruler 11 is a hollow structure; the scale on the measuring ruler 11 is made of lead, so that the scale can be displayed during imaging, observation is facilitated, and the flexible structure of the measuring ruler 11 can be fitted to the chest and abdominal parts of the patient; the middle hollow structure of the measuring ruler 11 is beneficial to imaging observation.
[0023] Embodiment 3
[0024] Please refer to Figs. 1-2 According to Embodiments 1-2, the fixing assembly comprises a bottom plate 1, side seats 3 located on both sides of the bottom plate 1, and side plates 4 slidably arranged above the side seats 3; the connecting insertion strips 2 are fixedly arranged on the side seats 3 and slidably inserted into the bottom plate 1 from the side edges of the bottom plate 1; the lower ends of the side plates 4 are slidably sleeved above the side seats 3, the upper ends of the side plates 4 are provided with mounting holes 401, and the lower ends of the telescopic rods 5 are inserted into the mounting holes 401; the upper part of the bottom plate 1 is an arc-shaped concave structure, and the opposite surfaces of the two side plates 4 are arc-shaped concave structures.
[0025] In use, the bottom plate 1 of the fixing assembly is pressed under the patient, and the side seat 3 is slid on both sides of the bottom plate 1, the side plate 4 is slid on the side seat 3, the side plate 4 is driven to tightly contact with both sides of the patient by sliding the side seat 3, the telescopic rod 5 of the adjusting assembly is inserted above the side plate 4, and the measuring scale 11 is fixed on the adjusting assembly, so that the measuring scale 11 is fixed on the patient.
[0026] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the persons skilled in the art can well understand and use the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.
Claims
1. A device for CT image guided assisted positioning comprising a fixation assembly, an adjustment assembly and a measuring scale, characterized in that, The adjusting assembly comprises a telescopic rod and a telescopic arm, one end of the telescopic rod is detachably connected with the fixing assembly, one end of the telescopic arm is movably connected with the tail end of the telescopic rod, and the measuring scale is movably connected with the head end of the telescopic arm.
2. The apparatus for CT image-guided positioning of claim 1, wherein, The fixing assembly comprises a bottom plate and side seats arranged on both sides of the bottom plate, and side plates movably arranged above the side seats; a connecting plug is fixedly arranged on the side seat, and the connecting plug is slidably inserted into the bottom plate from the side edge of the bottom plate; the lower end of the side plate is slidably sleeved above the side seat, the upper end of the side plate is provided with a mounting hole, and the lower end of the telescopic rod is inserted into the mounting hole.
3. The apparatus for CT image-guided positioning of claim 1, wherein, The upper end of the telescopic rod is rotatably connected with a connecting head I, the tail end of the telescopic arm is rotatably connected with the connecting head I, the head end of the telescopic arm is rotatably connected with a connecting head II, the connecting head II is rotatably connected with a mounting seat, and one end of the measuring scale is fixedly arranged on the mounting seat.
4. The apparatus for CT image-guided positioning of claim 2, wherein, The upper surface of the bottom plate is an arc-shaped concave structure, and the opposite surfaces of the two side plates are arc-shaped concave structures.
5. The apparatus for CT image-guided positioning of claim 1, wherein, The measuring scale is a flexible structure, and an indicating block is slidably arranged on the measuring scale.
6. The apparatus for CT image-guided positioning of claim 1, wherein, The middle part of the measuring scale is a hollow structure.