Simple positioning device for intracerebral hematoma and use method thereof
By designing a simple positioning device for intracerebral hematoma including wearing rings, support parts and positioning parts, the problems of insufficient positioning accuracy and inefficiency of hematoma puncture in the prior art are solved, and rapid and accurate hematoma puncture without high-end equipment is achieved.
Patent Information
- Application Number
- CN202510314147.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2025-05-09
AI Technical Summary
The existing hematoma puncture positioning method is insufficient in accuracy, and it is impossible to wear markings directly on the patient's head, and the marking components cannot be replaced with puncture components, which is inefficient.
A simple positioning device for intracerebral hematoma is designed, including a wearing ring, a supporting component and a positioning component. By wearing the patient's head with a wear ring and strap, rotating on the fixed disc with a second brush, movable rack and rotating disc, combined with measurements on the CT sheet, the puncture point and angle are determined, and the scribe assembly is replaced by the slider and locking stud as the puncture assembly.
It realizes a simple positioning and puncture method, which is suitable for rapid surgery without high-end equipment. The required equipment is simple, the positioning is accurate, fast and easy, which makes it easy for patients to wear the marking and position, and replace the marking component to puncture the puncture component.
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Figure CN119949980A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of medical devices, and in particular to a simple positioning device for intracerebral hematoma and a use method thereof. Background Art
[0002] Cerebral hemorrhage is a common and frequently occurring disease. Surgical treatment methods include: microscopic hematoma evacuation, neuroendoscopic evacuation, and minimally invasive hematoma puncture and drainage. Among them, minimally invasive hematoma puncture and drainage is suitable for: primary hospitals without large equipment such as neuroendoscopy; patients who are old, have multiple underlying diseases, cannot tolerate major surgery, and have intraventricular hemorrhage.
[0003] The prior art discloses 202410538813.X a cranial puncture positioning device and method, comprising a long ruler rod, a short ruler rod and an inclined rod, wherein one end of the long ruler rod is vertically fixed to the short ruler rod, the inclined rod is obliquely arranged between the long ruler rod and the short ruler rod, and circular rings are arranged at both ends of the inclined rod, a C-shaped slider is arranged on the long ruler rod, a pin is arranged on the upper surface of the slider, and the circular ring and the pin are rotatably installed. The structure is composed of a vertically arranged long ruler rod and a short ruler rod, and the inclined rod is arranged to slide obliquely to adjust the right-angled triangle structure of different angles, so that the frontal plane is adjusted to a triangle that is congruent with the lesion area in the CT image, and the accurate puncture direction guidance can be obtained according to the relative position of the maximum axial plane of the hematoma and the axial plane where the eyebrow arch is located. The positioning of the present invention is fast and accurate, and it is worthy of clinical promotion and application, but there are still the following deficiencies:
[0004] At present, the methods for hematoma puncture positioning include stereotactic guidance, CT re-examination positioning after marking with markers, 3D printing technology, etc., which use long-rod rulers, short-rod rulers and oblique rods to draw lines, but the accuracy is insufficient. After drawing lines, repositioning is required before puncture. Patients cannot wear the marking line directly, and the marking component cannot be replaced with a puncture component, which is inefficient.
[0005] Therefore, a simple intracerebral hematoma positioning device and a use method thereof are proposed to solve the above problems. Summary of the invention
[0006] The purpose of the present invention is to provide a simple positioning device for intracerebral hematoma and a method of using the same in order to overcome the above-mentioned deficiencies, so as to realize a simple positioning puncture method, which is suitable for situations where high-end equipment is not available and rapid surgery is required. The required equipment is simple, and the positioning is accurate, fast and easy. It is convenient for patients to wear the marking positioning device and replace the marking component with the puncture component for puncture.
[0007] In order to solve the above technical problems, the present invention adopts the following technical solution: a simple intracerebral hematoma positioning device and a method of using the same, comprising:
[0008] A wearing ring, which is worn on the patient's head, wherein a through groove parallel to the wearing ring is provided in the middle of the wearing ring;
[0009] A support component is fixedly arranged on the top of the wearing ring, the support component includes a fixing frame with one end arranged above the wearing ring for supporting, a fixing plate is fixedly arranged on the other end of the fixing frame, the axis of the fixing plate is in the same straight line as the axis of the wearing ring, a scale plate is arranged on the outer wall of the fixing plate, a rotating plate for rotating is arranged in the middle of the fixing plate, a movable frame is arranged below the fixing frame and extends into the through slot on the rotating plate, and a cross-shaped slide groove penetrating the movable frame is arranged in the middle of the movable frame;
[0010] A positioning component, movably arranged on the inner side of the movable frame, used for puncture positioning, drawing lines and puncturing the patient's head;
[0011] The positioning component comprises a sliding block movably arranged on a movable frame and adapted to a sliding groove, and a mounting component is movably arranged in the middle of the sliding block, and the mounting component is used for installing and replacing a drawing or puncturing mechanism.
[0012] Furthermore, the installation component also includes a first paintbrush installed inside the sliding block and locked by a locking stud.
[0013] Furthermore, the mounting component also includes a puncture portion installed inside the slider and locked by a locking stud.
[0014] Furthermore, the positioning component further comprises a telescopic component arranged on the slide block, and the mounting component further comprises a semi-circular clamping ring arranged on the top of the telescopic component, and locking studs are arranged at two opposite ends of the semi-circular clamping ring;
[0015] The telescopic component includes an outer cylinder fixedly arranged on a slider, an inner cylinder is arranged inside the outer cylinder; a spring is fixedly arranged on the inner bottom wall of the outer cylinder, the other end of the spring is fixedly connected to the inner cylinder, the other end of the inner cylinder is fixedly connected to a semi-circular retaining ring, and a positioning screw for limiting the inner cylinder is arranged on the outer cylinder.
[0016] Furthermore, a facial line drawing component passing through the through slot and extending to the patient's face is provided at the end of the movable frame.
[0017] Furthermore, the facial line drawing assembly includes an outer movable rod fixedly arranged at the end of the movable frame and parallel to the patient's face, an inner rod is movably arranged inside the outer movable rod, and a first bolt for tightening the inner rod is arranged on the side wall of the outer movable rod.
[0018] Furthermore, the facial line drawing assembly also includes a second brush arranged on the inner rod and perpendicular to the inner rod, and a second bolt for pressing the second brush is provided on one side of the inner rod.
[0019] Furthermore, straps are provided at both ends of the wearing ring, and the wearing ring and the straps are used for the patient to wear on the head. A cushion is provided on the inner side of the wearing ring, and the number of the straps is two.
[0020] Furthermore, the fixed frame and the movable frame are both arc-shaped rods, the fixed plate is arranged parallel to the wearing ring, and the longitudinal section of the fixed plate is I-shaped.
[0021] The method of using the simple intracerebral hematoma positioning device is to follow the following steps in sequence:
[0022] 1) Wearing the wearing ring and the strap on the patient's head, installing the first brush on the slider, and installing the second brush on the inner rod;
[0023] 2) Use the second brush to mark a point 5cm above the center of the eyeball and 5cm above the external auditory canal. The arc connecting the two marked points is the body surface marking line. Use this line as the reference plane to draw parallel lines.
[0024] 3) Perform body surface projection along the corresponding parallel to determine the surface of the largest hematoma layer and make a body surface marking line, which is used as the target line;
[0025] 4) Determine the chord distance between the midline and the puncture point on the CT film, measure the chord distance from the midline to the puncture point at the maximum level of the hematoma, and determine the puncture point;
[0026] 5) Measure the angle between the puncture direction and the midline on the CT film using a large protractor. After determining the puncture point based on this angle, measure the angle between the puncture point and the midline.
[0027] 6) The movable frame drives the rotating disk on the wearing ring to rotate a predetermined angle on the fixed disk, and the dial displays the rotation angle of the movable frame 5 on the rotating disk 4. The slider moves on the movable frame, and the first brush moves on the telescopic component to make a midline and a chord distance line on the patient's head to determine the puncture point and puncture angle.
[0028] The beneficial effects of the present invention are embodied in:
[0029] The present invention is worn on the patient's head through a wearing ring and a strap, and a second brush is installed on the inner rod, and the second brush is pressed and installed by a second bolt, and the second brush drives the movable frame and the rotating disk to rotate a predetermined angle on the fixed disk, and then the second brush is used to make a mark point 5CM vertically above the center of the eyeball and a mark point 5CM vertically above the external auditory canal, and the arc connecting the two mark points is the body surface mark line, and a parallel line is made with this line as a reference plane, and a body surface projection is performed along the corresponding parallel, and the surface where the maximum layer of the hematoma is located is determined and a body surface mark line is made, and this line is used as a target line, and the chord distance between the center line and the puncture point is determined on the CT film, and the chord distance from the center line to the puncture point is measured on the maximum layer of the hematoma to determine the puncture point, and the angle between the puncture direction and the center line is measured on the CT film, and the CT film is measured with a large protractor. According to this angle, after the puncture point is determined, the angle between the puncture point and the center line is measured, and then the first brush is inserted into the inside of the movable frame, and the locking stud on the half clamp ring is used. The first brush is pressed and installed, and the rotating disk is driven by the movable frame on the wearing ring to rotate a predetermined angle on the fixed disk, and the dial displays the rotation angle of the movable frame on the rotating disk. The slider moves on the movable frame, and the first brush moves on the telescopic component to adapt to different head shapes. Lines are drawn on the patient's head through a midline and a chord distance line to determine the puncture point and the puncture angle. The puncture part is installed through the inside of the slider, and the puncture part is pressed and installed through a semi-clamp ring and a locking stud. The positioning screw presses the inner cylinder, and the puncture part is replaced. The puncture part is driven by the movable frame on the wearing ring to rotate the rotating disk on the fixed disk to a predetermined angle, and the dial displays the rotation angle of the movable frame on the rotating disk. The slider moves on the movable frame to puncture at the puncture point, realizing a simple positioning puncture method, which is suitable for situations where there is no high-end equipment and rapid surgery is required. The required equipment is simple, and the positioning is accurate, fast and easy, which is convenient for patients to wear line positioning and replace the line marking component with the puncture component for puncture. BRIEF DESCRIPTION OF THE DRAWINGS
[0030] Figure 1 A three-dimensional view of the present invention;
[0031] Figure 2 For the present invention Figure 1 A is a partial enlarged schematic diagram;
[0032] Figure 3 A bottom view of the present invention;
[0033] Figure 4 A three-dimensional view of a facial marking assembly of the present invention;
[0034] Figure 5 A three-dimensional view of a positioning component of the present invention;
[0035] Figure 6 It is a puncture plane map for determining hematoma of the present invention;
[0036] Figure 7 Determine the puncture point diagram for the chord distance method of the present invention;
[0037] Figure 8 This is a diagram for measuring the puncture angle of the present invention.
[0038] In the figure:
[0039] 1. Wear the ring;
[0040] 2. Fixed frame;
[0041] 3. Fixed plate;
[0042] 4. Turn the disk;
[0043] 5. Movable rack;
[0044] 6. facial line drawing assembly; 61. outer movable rod; 62. inner rod; 63. first bolt; 64. second brush; 65. second bolt;
[0045] 7. Positioning component; 71. Sliding block; 72. Mounting component; 73. Outer cylinder; 74. Inner cylinder; 75. Positioning screw; 76. Half snap ring; 77. Locking stud;
[0046] 8. Straps. DETAILED DESCRIPTION
[0047] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. In the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0048] See also Figure 1-8 The present invention discloses a simple intracerebral hematoma positioning device and a method for using the same, comprising:
[0049] A wearing ring 1 is worn on the patient's head, and a through groove parallel to the wearing ring 1 is provided in the middle of the wearing ring 1;
[0050] A supporting component is fixedly arranged on the top of the wearing ring 1, and the supporting component includes a fixing frame 2 with one end arranged above the wearing ring 1 for supporting, a fixing plate 3 is fixedly arranged on the other end of the fixing frame 2, the axis of the fixing plate 3 is in the same straight line as the axis of the wearing ring 1, a scale plate is arranged on the outer wall of the fixing plate 3, a rotating plate 4 for rotating is arranged in the middle of the fixing plate 3, a movable frame 5 is arranged below the fixing frame 2 and extends into the through groove on the rotating plate 4, and a cross-shaped slide groove penetrating the movable frame 5 is arranged in the middle of the movable frame 5;
[0051] The wearing ring 1 supports the rotating disk 4 through the fixed frame 2 and the fixed disk 3, and the movable frame 5 drives the rotating disk 4 to rotate in the fixed disk 3 and the through groove, and the scale plate is used to display the rotation angle of the rotating disk 4 on the fixed disk 3;
[0052] A positioning component 7 is movably arranged on the inner side of the movable frame 5, and is used for positioning, drawing and puncturing the patient's head;
[0053] The positioning component 7 includes a slider 71 movably arranged on the movable frame 5 and adapted to the slide groove. A mounting component 72 is movably arranged in the middle of the slider 71. The slider 71 is used to drive the mounting component 72 to slide in the slide groove. The mounting component 72 is used to install and replace the drawing or puncturing mechanism.
[0054] The movable frame 5 drives the rotating disk 4 on the fixed disk 3 to rotate a predetermined angle on the wearing ring 1, and the rotating angle of the movable frame 5 on the rotating disk 4 is displayed on the scale plate. The slider 71 moves on the movable frame 5, and the first brush moves on the telescopic component to make a midline and a chord distance line on the patient's head to determine the puncture point and puncture angle.
[0055] In a specific embodiment, the mounting component 72 further includes a first paintbrush installed inside the slider 71 and locked by a locking stud 77. The locking stud 77 mounts and positions the first paintbrush on the slider 71. The first paintbrush is used to draw lines on the patient's head.
[0056] In a specific embodiment, the mounting component 72 further includes a puncture portion installed inside the slider 71 and locked by a locking stud 77. The locking stud 77 is installed on the slider 71 to the puncture portion, and the puncture portion is used to puncture the patient's head.
[0057] In a specific embodiment, the positioning component 7 further includes a telescopic component arranged on the slider 71, and the mounting component 72 further includes a semi-circular ring 76 arranged on the top of the telescopic component. The two ends of the semi-circular ring 76 are oppositely provided with locking studs 77. The telescopic component is used to drive the first paintbrush to telescope on the slider 71 to adapt to different head shapes for drawing lines;
[0058] The telescopic component includes an outer cylinder 73 fixedly arranged on the slider 71, and an inner cylinder 74 is arranged inside the outer cylinder 73; a spring is fixedly arranged on the inner bottom wall of the outer cylinder 73, and the other end of the spring is fixedly connected to the inner cylinder 74, and the other end of the inner cylinder 74 is fixedly connected to the half clamping ring 76. A positioning screw 75 for limiting the inner cylinder 74 is provided on the outer cylinder 73, and the inner cylinder 74 compresses the spring on the outer cylinder 73 to adapt the first paintbrush to draw lines on different head shapes. The positioning screw 75 limits the inner cylinder 74 and the outer cylinder 73, which is convenient for the puncture part to position and puncture.
[0059] The puncture part is installed inside the slider 71, and the puncture part is pressed and installed by the semi-circlip 76 and the locking stud 77. The positioning screw 75 presses the inner tube 74. The puncture part is replaced, and the puncture part drives the rotating disk 4 on the wearing ring 1 to rotate a predetermined angle on the fixed disk 3 through the movable frame 5. The rotating angle of the movable frame 5 on the rotating disk 4 is displayed on the scale plate, and the slider 71 moves on the movable frame 5 to puncture at the puncture point.
[0060] In one embodiment, a facial line assembly 6 is disposed at the end of the movable frame 5 and passes through the through slot and extends to the patient's face.
[0061] In a specific embodiment, the facial line drawing assembly 6 includes an outer movable rod 61 fixedly arranged at the end of the movable frame 5 and parallel to the patient's face. An inner rod 62 is movably arranged inside the outer movable rod 61. A first bolt 63 for tightening the inner rod 62 is arranged on the side wall of the outer movable rod 61. The inner rod 62 is telescopically slidable along the length direction of the outer movable rod 61 to adapt to different extension lengths of the inner rod 62. The first bolt 63 limits the telescopic position of the outer movable rod 61 and the inner rod 62.
[0062] In one embodiment, the facial line drawing assembly 6 also includes a second brush 64 arranged on the inner rod 62 and perpendicular to the inner rod 62. A second bolt 65 for pressing the second brush 64 is provided on one side of the inner rod 62. The second brush 64 is installed on the inner rod 62 by the second bolt 65. The second brush 64 can be replaced and the length of the second brush 64 extending on the inner rod 62 facing the face can be adjusted.
[0063] The inner rod 62 is extended and retracted a predetermined distance inside the outer movable rod 61 along the direction of the outer movable rod 61, the inner rod 62 is pressed and limited on the outer movable rod 61 by the first bolt 63, the second brush 64 is moved a predetermined distance perpendicular to the direction of the inner rod 62, the second brush 64 and the inner rod 62 are pressed and limited by the second bolt 65, and the second brush 64 is used to draw a line on the patient's face.
[0064] In a specific embodiment, straps 8 are provided at both ends of the wearing ring 1. The wearing ring 1 and the straps 8 are used for the patient to wear on the head. A cushion is provided on the inner side of the wearing ring 1 to adapt to different head shapes and improve wearing comfort. There are two straps 8, and the straps 8 are fastened to each other.
[0065] In one embodiment, the fixed frame 2 and the movable frame 5 are both arc-shaped rods, the fixed plate 3 is arranged parallel to the wearing ring 1, the longitudinal section of the fixed plate 3 is I-shaped, the fixed frame 2 is used to support the fixed plate 3 on the wearing ring 1, and the rotating plate 4 is rotatably supported on the fixed plate 3.
[0066] refer to Figure 3-8 The method of using the simple intracerebral hematoma positioning device is to follow the following steps:
[0067] 1) The wearing ring 1 and the strap 8 are worn on the patient's head, the first paintbrush is installed on the slider 71, and the second paintbrush 64 is installed on the inner rod 62;
[0068] 2) Use the second drawing brush 64 to mark a point 5cm above the center of the eyeball and a point 5cm above the external auditory canal. The arc connecting the two marked points is the body surface marking line. Use this line as the reference plane to draw a parallel line.
[0069] 3) Perform body surface projection along the corresponding parallel to determine the surface of the largest hematoma layer and make a body surface marking line, which is used as the target line;
[0070] 4) Determine the chord distance between the midline and the puncture point on the CT film, measure the chord distance from the midline to the puncture point at the maximum level of the hematoma, and determine the puncture point;
[0071] 5) Measure the angle between the puncture direction and the midline on the CT film using a large protractor. After determining the puncture point based on this angle, measure the angle between the puncture point and the midline.
[0072] 6) The movable frame 5 drives the rotating disk 4 on the wearing ring 1 to rotate a predetermined angle on the fixed disk 3, and the rotating angle of the movable frame 5 on the rotating disk 4 is displayed on the scale plate. The slider 71 moves on the movable frame 5, and the first brush moves on the telescopic component to make a midline and a chord distance line on the patient's head to determine the puncture point and puncture angle.
[0073] The puncture part is installed inside the slider 71, and the puncture part is pressed and installed by the semi-circlip 76 and the locking stud 77. The positioning screw 75 presses the inner tube 74. The puncture part is replaced, and the puncture part drives the rotating disk 4 on the wearing ring 1 to rotate a predetermined angle on the fixed disk 3 through the movable frame 5. The rotating angle of the movable frame 5 on the rotating disk 4 is displayed on the scale plate, and the slider 71 moves on the movable frame 5 to puncture at the puncture point.
[0074] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.
[0075] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.
[0076] In addition, "plurality" means two or more.
[0077] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims
1. A simple positioning device for intracerebral hematoma, characterized in that: include: A wearing ring (1), the wearing ring (1) is worn on the patient's head, and a through groove parallel to the wearing ring (1) is provided in the middle of the wearing ring (1); A support component is fixedly arranged on the top of the wearing ring (1), the support component comprises a fixing frame (2) with one end arranged above the wearing ring (1) for supporting, a fixing plate (3) is fixedly arranged on the other end of the fixing frame (2), the axis of the fixing plate (3) and the axis of the wearing ring (1) are in the same straight line, a scale plate is arranged on the outer wall of the fixing plate (3), a rotating plate (4) for rotating is arranged in the middle of the fixing plate (3), a movable frame (5) is arranged below the fixing frame (2) and extends into the through groove, and a cross-shaped slide groove penetrating the movable frame (5) is arranged in the middle of the movable frame (5); A positioning component (7) is movably arranged on the inner side of the movable frame (5) and is used for positioning, drawing lines and performing puncture on the patient's head; The positioning component (7) comprises a sliding block (71) movably arranged on the movable frame (5) and adapted to the sliding groove, and a mounting component (72) is movably arranged in the middle of the sliding block (71), and the mounting component (72) is used for installing and replacing the marking or puncturing mechanism.
2. According to claim 1, a simple intracerebral hematoma positioning device is characterized by: The mounting component (72) also includes a first paintbrush mounted inside the slider (71) and locked by a locking stud (77).
3. The simple intracerebral hematoma positioning device according to claim 1, characterized in that: The mounting component (72) further comprises a piercing portion which is mounted inside the slider (71) and is locked by a locking stud (77).
4. The simple intracerebral hematoma positioning device according to claim 1, characterized in that: The positioning component (7) further comprises a telescopic component arranged on the slider (71), and the mounting component (72) further comprises a semi-circular clasp (76) arranged on the top of the telescopic component, and locking studs (77) are arranged at two opposite ends of the semi-circular clasp (76); The telescopic component comprises an outer cylinder (73) fixedly arranged on a slider (71), an inner cylinder (74) being arranged inside the outer cylinder (73); a spring being fixedly arranged on the inner bottom wall of the outer cylinder (73), the other end of the spring being fixedly connected to the inner cylinder (74), the other end of the inner cylinder (74) being fixedly connected to a semi-circular retaining ring (76), and a positioning screw (75) for limiting the inner cylinder (74) being arranged on the outer cylinder (73).
5. The simple intracerebral hematoma positioning device according to claim 1, characterized in that: The end of the movable frame (5) is provided with a facial line drawing component (6) that passes through the through slot and extends to the patient's face.
6. A simple intracerebral hematoma positioning device according to claim 5, characterized in that: The facial line drawing assembly (6) comprises an outer movable rod (61) fixedly arranged at the end of a movable frame (5) and parallel to the patient's face, an inner rod (62) is movably arranged inside the outer movable rod (61), and a first bolt (63) for pressing the inner rod (62) is arranged on the side wall of the outer movable rod (61).
7. A simple intracerebral hematoma positioning device according to claim 6, characterized in that: The facial line drawing assembly (6) further comprises a second brush (64) arranged on the inner rod (62) and perpendicular to the inner rod (62), and a second bolt (65) for pressing the second brush (64) is arranged on one side of the inner rod (62).
8. The simple intracerebral hematoma positioning device according to claim 1, characterized in that: Both ends of the wearing ring (1) are provided with straps (8), the wearing ring (1) and the straps (8) are used for the patient to wear on the head, a soft cushion is provided on the inner side of the wearing ring (1), and the number of the straps (8) is two.
9. The simple intracerebral hematoma positioning device according to claim 1, characterized in that: The fixed frame (2) and the movable frame (5) are both arc-shaped rods, the fixed plate (3) is arranged parallel to the wearing ring (1), and the longitudinal section of the fixed plate (3) is I-shaped.
10. The method for using the simple intracerebral hematoma positioning device according to any one of claims 1 to 9, characterized in that: Follow the steps below: 1) Wearing the wearing ring (1) and the strap (8) on the patient's head, installing the first paintbrush on the slider (71), and installing the second paintbrush (64) on the inner rod (62); 2) Using a second drawing brush (64), mark a point 5 cm vertically above the center of the eyeball and a point 5 cm vertically above the external auditory canal. The arc connecting the two marked points is the body surface marking line, and a parallel line is drawn with this line as the reference plane; 3) Perform body surface projection along the corresponding parallel to determine the surface of the largest hematoma layer and make a body surface marking line, which is used as the target line; 4) Determine the chord distance between the midline and the puncture point on the CT film, measure the chord distance from the midline to the puncture point at the maximum level of the hematoma, and determine the puncture point; 5) Measure the angle between the puncture direction and the midline on the CT film using a large protractor. After determining the puncture point based on this angle, measure the angle between the puncture point and the midline. 6) The movable frame (5) drives the rotating disk (4) on the wearing ring (1) to rotate a predetermined angle on the fixed disk (3), and the rotating angle of the movable frame (5) on the rotating disk (4) is displayed on the scale plate. The slider (71) moves on the movable frame (5), and the first brush moves on the telescopic component to draw a center line and a chord distance line on the patient's head to determine the puncture point and puncture angle.
Citation Information
Patent Citations
Craniocerebral puncture positioning device and method
CN118285886A