CN112043355A - Intracranial puncture positioning device and positioning method thereof - Google Patents
Intracranial puncture positioning device and positioning method thereof Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/10—Computer-aided planning, simulation or modelling of surgical operations
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/11—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis with guides for needles or instruments, e.g. arcuate slides or ball joints
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/10—Computer-aided planning, simulation or modelling of surgical operations
- A61B2034/101—Computer-aided simulation of surgical operations
- A61B2034/105—Modelling of the patient, e.g. for ligaments or bones
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/10—Computer-aided planning, simulation or modelling of surgical operations
- A61B2034/107—Visualisation of planned trajectories or target regions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/10—Computer-aided planning, simulation or modelling of surgical operations
- A61B2034/108—Computer aided selection or customisation of medical implants or cutting guides
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
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Abstract
The invention provides an intracranial puncture positioning device and a positioning method thereof, and the intracranial puncture positioning device comprises a positioning ruler, wherein the positioning ruler is in a U shape with an opening at one side, scales are arranged on the positioning ruler, a positioning ruler sliding groove is arranged on the inner side surface of the U shape of the positioning ruler, a vernier A and a vernier B are arranged in the positioning ruler sliding groove, cylindrical bulges are arranged above the vernier A and the vernier B, screw holes are arranged at the axial positions of the cylindrical bulges, transversely-through threading holes are arranged at the radial positions of the side surfaces of the cylindrical bulges, the threading holes are communicated with the screw holes, a vernier base station is arranged below the vernier A and the vernier B, a vernier sliding groove is arranged around the vernier base station, and the vernier sliding groove is matched with the positioning ruler sliding groove, so that the vernier can slide on the positioning ruler sliding. The invention has simple structure, easy manufacture, simple and convenient positioning method, accuracy and reliability and easy popularization.
Description
Technical Field
The invention belongs to the technical field of medical equipment, and particularly relates to an intracranial puncture positioning device and a positioning method thereof.
Background
Craniocerebral puncture operations are common clinically, and for example, the puncture operations are often required to be performed on clinically common cerebral hemorrhage, brain abscess, tissue biopsy and the like. Before the puncture operation is carried out, the position of a puncture point is determined, and once the puncture position is inaccurate, the brain injury is increased by repeatedly puncturing. Therefore, it is important for the surgeon to select the appropriate puncture opening before surgery. The positioning methods generally adopted in the prior art include manual marking positioning, stereotactic frame auxiliary positioning, 3D printing guide plate auxiliary positioning, robot auxiliary positioning and the like, but the positioning methods have the problems of complex operation, low precision, long material preparation time, delayed operation time, expensive auxiliary equipment and the like. The invention patent application No. 2018103310239 discloses an intracranial puncture positioning method based on mixed reality, which can avoid deviation or error in traditional empirical operation and improve the precision and efficiency of intracranial puncture, but has the defects of expensive and heavy virtual reality technical equipment, complex operation, long learning curve and the like.
Disclosure of Invention
The invention provides an intracranial puncture positioning device and a positioning method thereof in order to solve the problems.
The technical scheme of the invention is realized as follows: the utility model provides an intracranial puncture positioner, includes the positioning ruler, the positioning ruler is one side open-ended U font, be equipped with the scale on the positioning ruler, positioning ruler U font medial surface is equipped with the positioning ruler sliding tray, be equipped with vernier A and vernier B in the positioning ruler sliding tray, vernier A and vernier B top all are equipped with cylindrical arch, cylindrical bellied axial position is equipped with the screw hole, and cylindrical protruding side radial position is equipped with the transverse through wires hole that link up, the through wires hole communicates with each other with the screw hole, vernier A and vernier B below are equipped with the vernier base station, the vernier base station is equipped with the vernier sliding tray all around, the vernier sliding tray cooperates with the positioning ruler sliding tray, makes the vernier can slide on the positioning ruler sliding tray.
A method of positioning using an intracranial puncture positioning device, comprising the steps of:
(1) before craniocerebral CT examination, attaching two electrocardio-electrode plates to the head of a patient, importing a scanning result into three-dimensional reconstruction software, firstly positioning the central position of hematoma in the software, positioning the puncture point position on the surface of the scalp according to the central position of hematoma, then forming a triangle by the two electrodes and the puncture point position of the scalp, and measuring the length of three sides of the triangle on the software;
(2) assuming that the lengths of three sides of a triangle are a, B and c respectively, the distance between two electrode plates is a, the distance between one electrode plate I and a scalp puncture point is B, and the distance between the other electrode plate II and the scalp puncture point is c, and fixing two ends of a surgical suture on a vernier A and a vernier B of a positioning ruler to enable the length of the surgical suture to be equal to B + c;
(3) the positioning ruler is used, the vernier A and the vernier B on the positioning ruler are slid, the two vernier are respectively overlapped with the two electrode plates, then the operation wire is tensioned, the operation wire and the positioning ruler form a triangle, the three sides of the triangle respectively correspond to the three sides of the triangle on the three-dimensional software, and thus the vertex of the triangle opposite to the positioning ruler is the puncture point on the scalp to be determined.
The invention has the beneficial effects that: compared with the prior art, the invention has the advantages of simple structure, easy manufacture, simple and easy positioning method, accuracy, reliability and easy popularization.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the positioning device of the present invention;
FIG. 3 is a schematic view of the cursor of the present invention;
FIG. 4 is a schematic view of the attachment surgical suture of the present invention;
FIG. 5 is a schematic diagram of the conventional selected positions of two electrode sheets;
FIG. 6 is a schematic diagram of CT results reconstructed in three-dimensional software mimics and triangles established;
FIG. 7 is a schematic view of the use of the skull alignment gauge.
Reference numerals: 1. the external auditory meatus puncture positioning instrument comprises a positioning ruler, 2-1 parts of a vernier A, 2-2 parts of a vernier B, 3 parts of a positioning ruler sliding groove, 4 parts of scales, 5 parts of screw holes, 6 parts of threading holes, 7 parts of a vernier sliding groove, 8 parts of key holes, 9 parts of external auditory meatus external oral body surface projection, 10 parts of cylindrical bulges, 11 parts of a vernier base table, 12 parts of electrode plates I and 13 parts of electrode plates II and 14 parts of a scalp puncture point, 15 parts of an operation suture line.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 7 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
An intracranial puncture positioning device, which comprises a positioning ruler 1, wherein the positioning ruler 1 is U-shaped with an opening at one side, the positioning ruler 1 is provided with scales 4, the U-shaped inner side surface of the positioning ruler 1 is provided with a positioning ruler sliding groove 3, the positioning ruler sliding groove 3 is internally provided with a vernier A2-1 and a vernier B2-2, cylindrical bulges 10 are respectively arranged above the cursor A2-1 and the cursor B2-2, screw holes 5 are arranged at the axial positions of the cylindrical bulges 10, thread holes 6 which are transversely penetrated are arranged at the radial positions of the side surfaces of the cylindrical bulges 10, the threading hole 6 is communicated with the screw hole 5, a cursor base 11 is arranged below the cursor A2-1 and the cursor B2-2, cursor sliding grooves 7 are arranged around the cursor base 11, the vernier sliding groove 7 is matched with the positioning ruler sliding groove 3, so that the vernier can slide on the positioning ruler sliding groove 3. The threading holes 6 on the cursors A2-1 and B2-2 can be penetrated by surgical suture, and the surgical suture 15 can be fixed by screws through the screw holes 5.
The positioning method using the intracranial puncture positioning device comprises the following steps:
(1) before cranium CT examination, the head of a patient is attached with two electrocardio electrode plates 12 and 13, the positions of the two electrode plates are generally selected from a key hole 8 and an external auditory canal external orifice body surface projection 9, a scanning result is led into three-dimensional reconstruction software (mimics or 3 Dslicers), the central position of hematoma is firstly positioned in the software, the position of a puncture point on the surface of the scalp is positioned according to the central position of hematoma, then the positions of the two electrodes and the puncture point of the scalp form a triangle, and the length of three sides of the triangle is measured on the software;
(2) assuming that the lengths of three sides of the triangle are a, B and c respectively, the distance between two electrode plates is a, the distance between one electrode plate I and the scalp puncture point is B, and the distance between the other electrode plate II and the scalp puncture point is c, a surgical suture 15 is used, and two ends of the surgical suture are fixed on a vernier A and a vernier B of a positioning ruler, so that the length of the surgical suture is equal to B + c, and the position of the boundary point of the lengths of B and c on the surgical suture is determined.
(3) The positioning ruler is used, a cursor A1 and a cursor B2 are arranged in a sliding groove 3 of the positioning ruler, the cursor A1 and the cursor B2 on the positioning ruler are slid, the two cursors are respectively overlapped with the two electrode plates, the surgical suture line is tightened by the dividing points with the lengths of B and c, the surgical suture line and the positioning ruler form a triangle, three sides of the triangle correspond to three sides of the triangle on the three-dimensional software respectively, and thus the vertex of the triangle opposite to the positioning ruler is the puncture point on the scalp to be determined.
The positioning ruler has the advantages of simple structure, reasonable design, simple and practical operation method, simple manufacture and easy popularization, and effectively solves the problem that the puncture point on the surface of the scalp is difficult to determine.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (2)
1. The intracranial puncture positioning device is characterized by comprising a positioning ruler (1), wherein the positioning ruler (1) is in a U shape with one side open, scales (4) are arranged on the positioning ruler (1), a positioning ruler sliding groove (3) is arranged on the inner side face of the U shape of the positioning ruler (1), a vernier A (2-1) and a vernier B (2-2) are arranged in the positioning ruler sliding groove (3), a cylindrical bulge (10) is arranged above the vernier A (2-1) and the vernier B (2-2), a screw hole (5) is arranged at the axial position of the cylindrical bulge (10), a transverse through threading hole (6) is arranged at the radial position of the side face of the cylindrical bulge (10), the threading hole (6) is communicated with the screw hole (5), and a vernier base (11) is arranged below the vernier A (2-1) and the vernier B (2-2), and a vernier sliding groove (7) is formed in the periphery of the vernier base station (11), and the vernier sliding groove (7) is matched with the positioning ruler sliding groove (3) so that the vernier can slide on the positioning ruler sliding groove (3).
2. A method of positioning using an intracranial puncture positioning device as recited in claim 1, comprising the steps of:
(1) before craniocerebral CT examination, the head of a patient is attached with two electrocardio-electrode plates (12, 13), scanning results are led into three-dimensional reconstruction software, the central position of hematoma is firstly positioned in the software, the position of a scalp surface puncture point is positioned according to the central position of hematoma, then the positions of the two electrodes (12, 13) and the scalp puncture point (14) form a triangle, and the length of three sides of the triangle is measured on the software;
(2) assuming that the lengths of three sides of a triangle are a, B and c respectively, the distance between two electrode plates (12 and 13) is a, the distance between one electrode plate I (12) and a scalp puncture point (14) is B, the distance between the other electrode plate II (13) and the scalp puncture point (14) is c, and a surgical suture is used, and the two ends of the surgical suture are fixed on a vernier A and a vernier B of a positioning ruler, so that the length of the surgical suture is equal to B + c;
(3) the positioning ruler is used, the vernier A and the vernier B on the positioning ruler are slid, the two vernier are respectively overlapped with the two electrode plates, then the operation wire is tensioned, the operation wire and the positioning ruler form a triangle, the three sides of the triangle respectively correspond to the three sides of the triangle on the three-dimensional software, and thus the vertex of the triangle opposite to the positioning ruler is the puncture point on the scalp to be determined.
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CN210673538U (en) * | 2019-07-16 | 2020-06-05 | 孙敏 | Stoma triangle positioning ruler |
CN111407376A (en) * | 2020-04-16 | 2020-07-14 | 赵华 | Technology for puncturing intracranial brain space structure by three-dimensional positioning on surface of skull |
CN211066549U (en) * | 2019-08-28 | 2020-07-24 | 中国医学科学院肿瘤医院 | Trachea position detection device |
CN211066925U (en) * | 2019-10-28 | 2020-07-24 | 太仓市第一人民医院 | Multifunctional blood penetration puncture point measuring and positioning scale |
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