CN112890924B - Method for accurately positioning focus of patient - Google Patents

Method for accurately positioning focus of patient Download PDF

Info

Publication number
CN112890924B
CN112890924B CN202110003946.3A CN202110003946A CN112890924B CN 112890924 B CN112890924 B CN 112890924B CN 202110003946 A CN202110003946 A CN 202110003946A CN 112890924 B CN112890924 B CN 112890924B
Authority
CN
China
Prior art keywords
piece
rod
patient
frame body
groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202110003946.3A
Other languages
Chinese (zh)
Other versions
CN112890924A (en
Inventor
白建萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Easy Test Shandong Medical Technology Co ltd
Original Assignee
Shandong Shengyuankang Medical Instrument Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Shengyuankang Medical Instrument Co ltd filed Critical Shandong Shengyuankang Medical Instrument Co ltd
Priority to CN202110003946.3A priority Critical patent/CN112890924B/en
Publication of CN112890924A publication Critical patent/CN112890924A/en
Application granted granted Critical
Publication of CN112890924B publication Critical patent/CN112890924B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • 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
    • A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
    • 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
    • A61B2017/3405—Needle locating or guiding means using mechanical guide means
    • 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
    • A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
    • A61B2090/3966—Radiopaque markers visible in an X-ray image

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Theoretical Computer Science (AREA)
  • Pulmonology (AREA)
  • Optics & Photonics (AREA)
  • Biophysics (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

The invention discloses a method for accurately positioning a focus of a patient, which comprises the following steps: fixing a first marker on the head of a patient, and adjusting the first marker to be in a horizontal state or a vertical state when the patient lies on the CT machine, wherein the first marker marks a first plane; after the patient lies on the CT machine, the infrared rays on the CT machine irradiate the body of the patient, and a second marker is attached along the infrared rays, and the second marker positions a second plane which is intersected with the first plane; the CT machine scans the patient, forms focus and mark point on the CT film, calculates the distance L1 from the mark point to the focus along X axis direction and the distance L2 from the mark point to the focus along Y axis direction. The invention realizes accurate positioning of the patient positioning operation position, thereby improving the efficiency of cleaning the focus and improving the success rate of the operation; and the occupied time of a CT room in a hospital is reduced, and the utilization rate of the instrument is improved.

Description

Method for accurately positioning focus of patient
Technical Field
The invention belongs to the technical field of medical treatment, and particularly relates to a method for accurately positioning a focus of a patient.
Background
Before puncture operation is performed on a patient, the patient is scanned by CT to determine the focus position of the patient, and then puncture operation is performed on the patient; in order to ensure that a doctor can accurately puncture a puncture needle into a focus position during operation, part of hospitals directly perform puncture operation on a patient in a CT room, the mode can ensure that the patient cannot move, so that the focus position can be accurately punctured during operation, but the mode occupies the CT room for a long time, so that CT room resources are wasted, and CT scanning of other subsequent patients is affected.
In order to solve the prior art, many hospitals currently adopt CT scanning to the patient firstly, then the patient is moved into an operating room, a doctor marks the position on the patient according to a CT film, and then puncture operation is carried out on the patient; the manual marking mode is adopted, so that the influence of human factors is large, larger deviation can occur, and the effect of operation is influenced.
Disclosure of Invention
The invention provides a method for accurately positioning a focus of a patient in order to overcome the defects of the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme: a method of precisely locating a patient's lesion, comprising the steps of:
1) Fixing a first marker on the head of a patient, and adjusting the first marker to be in a horizontal state or a vertical state when the patient lies on the CT machine, wherein the first marker marks a first plane;
2) After the patient lies on the CT machine, the infrared rays on the CT machine irradiate the body of the patient, and a second marker is attached along the infrared rays, and the second marker positions a second plane which is intersected with the first plane;
3) Scanning a patient by a CT machine, forming a focus part and a mark point on a CT sheet, and calculating the distance L1 from the mark point to the focus point along the X-axis direction and the distance L2 from the mark point to the focus point along the Y-axis direction;
4) Transferring the patient to an operating room, and then adjusting the patient to a patient posture until the first marker on the patient's head is restored to a horizontal state or a vertical state;
5) According to the L1 and L2 measured in the step 4), a second marker is used as a starting point, the second marker is adopted to move to L1 along the X-axis direction, then the L2 is moved along the Y-axis direction, and then the focus position of the patient is marked on the epidermis of the head of the patient;
6) The puncture needle is used for puncturing the brain of the patient according to the focus position of the patient in the step 5) and removing the focus of the brain.
According to the invention, the first marker is arranged on the head of the patient, so that the first marker is in a horizontal state or a vertical state when the patient lies on the CT machine, at the moment, when the patient is transferred onto an operating table from the CT machine, the position of the patient can be adjusted until the first marker is reset to the horizontal or vertical state, at the moment, the position of the patient on the operating table is consistent with the position on the CT machine, then the second note point is horizontally moved by a corresponding distance, and the position corresponding to a focus can be accurately marked on the epidermis of the patient, so that a doctor can puncture a puncture needle from the marked position, the puncture needle can accurately reach the focus point, the focus point is cleaned, the success rate of operation is improved, and the operation time is shortened; meanwhile, after the patient finishes CT, the patient can be transferred in the mode, so that the CT room is prevented from being occupied for a long time, and the utilization rate of instruments in a hospital is improved.
Preferably, the first marker is a horizontal marker; when the patient lies down, the horizontal marker is arranged to mark that a certain position of the body is positioned on the horizontal plane, and then the patient is adjusted to be positioned on the horizontal plane again when the patient arrives in the operating room, so that the patient can be adjusted conveniently.
Preferably, the first marker is a vertical marker; by using a plumb line marker, which can mark a plumb plane, accurate positioning of the patient can be achieved.
Preferably, the second marker is a metal MARK that can be attached to the patient; the metal MARK is used as a second marker, so that obvious white spots can be formed on the CT film, and a doctor can conveniently find the marked spots on the CT film.
Preferably, the horizontal marker is a level meter or a bracket provided with the level meter; through setting up the spirit level, it has obvious when reaching the level, the advantage of convenient regulation.
Preferably, in step 5), the third marker is a vertically irradiated radiation; by setting the rays, the device can not pollute the brain of a patient, the patient can not be affected by germs in the operation, and the device has the effect of accurate positioning.
Preferably, the lancet in step 6) is vertically inserted into the brain of the patient along the radiation; by irradiating the puncture needle along the ray direction, the puncture needle can be ensured not to deviate when penetrating into the brain of a patient, and the success rate of the operation is improved.
Preferably, the vertical line marker is a vertical line provided with a balancing weight.
In conclusion, the invention realizes accurate positioning of the patient positioning operation position, thereby improving the efficiency of cleaning the focus and improving the success rate of the operation; and the occupied time of a CT room in a hospital is reduced, and the utilization rate of the instrument is improved.
Drawings
Fig. 1 is a schematic structural view of a stereotactic head frame.
Fig. 2 is an exploded view of a stereotactic head frame.
Fig. 3 is a schematic view of the structure of a stereotactic head gear ring and a securing member.
Fig. 4 is an exploded view of a stereotactic head ring and securing members.
Fig. 5 is a schematic view of the structure of a stereotactic head frame body.
Fig. 6 is a schematic structural view of a stereotactic head frame fixing member.
Fig. 7 is a schematic view of the structure of a stereotactic head frame horizontal positioning member.
Fig. 8 is a schematic view of another stereotactic head frame.
Fig. 9 is an enlarged view of a in fig. 8.
Fig. 10 is a schematic diagram of another stereotactic head frame.
Fig. 11 is an exploded view of another stereotactic head frame.
Fig. 12 is a schematic view of another stereotactic head gear ring and securing member.
Fig. 13 is an exploded view of another stereotactic head gear ring and securing member.
Fig. 14 is a schematic view of another stereotactic head frame body.
Fig. 15 is a schematic view of a part of another stereotactic head frame body.
Fig. 16 is a schematic view showing a partial structure of another stereotactic head frame body.
Fig. 17 is a schematic view of another stereotactic head stock positioning member.
Fig. 18 is a schematic view of another stereotactic head frame fixation assembly.
Fig. 19 is a schematic view of an intraoperative positioning apparatus.
Fig. 20 is an exploded view of fig. 19.
Fig. 21 is a top view of fig. 19.
FIG. 22 is a cross-sectional view taken at A-A of FIG. 21.
Fig. 23 is an enlarged view at B in fig. 22.
Fig. 24 is a front view of fig. 19.
Fig. 25 is an enlarged view of fig. 24 at C.
FIG. 26 is a cross-sectional view taken at B-B in FIG. 24.
Fig. 27 is a top view of the vertical marker of fig. 19.
Fig. 28 is a schematic view of a horizontal movement assembly for an intraoperative positioning apparatus.
Fig. 29 is an exploded view of fig. 28.
Fig. 30 is a top view of fig. 28.
FIG. 31 is a cross-sectional view taken at C-C of FIG. 30.
Fig. 32 is a schematic view of another suspension assembly.
Fig. 33 is an exploded view of the suspension assembly of fig. 32.
Detailed Description
In order to enable those skilled in the art to better understand the present invention, the following description will make clear and complete descriptions of the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
A method of precisely locating a patient's lesion, comprising the steps of:
1) Before CT scanning, fixing a bracket provided with a level meter on the head of a patient, wherein the level meter is a first marker for positioning the head position of the patient, then enabling the patient to lie on a CT machine, and adjusting the head position of the patient to enable the level meter to be in a horizontal state, wherein a plane in which the level meter is positioned in the horizontal state is a first plane;
2) Opening a CT machine, irradiating a plurality of infrared rays on the CT machine on the body of a patient at the moment, and then attaching a second marker along the direction of the infrared rays, wherein the second marker is metal MARK;
3) Scanning a patient by a CT machine, forming a focus part and a MARK point formed by a metal MARK on a CT sheet, and then directly calculating the distance L1 from the focus point along the X-axis direction and the distance L2 from the MARK point to the focus point along the Y-axis direction on the CT sheet;
4) Transferring the patient to an operating room, and then adjusting the patient to the posture of the patient until the level on the head of the patient returns to the horizontal state;
5) According to the L1 and L2 calculated in the step 4), taking the marker as a starting point, adopting a vertically irradiated laser pen to irradiate a vertical ray, wherein the ray is a third marker, then moving the laser pen to L1 along the X-axis direction, then moving the laser pen to L2 along the Y-axis direction, and at the moment, the position irradiated by the ray is the focus position of a corresponding patient, and further marking the focus position of the patient;
6) The puncture needle vertically punctures the brain of the patient along the rays according to the focus position of the patient in the step 5), and the focus of the brain is cleared.
Example two
A method of precisely locating a patient's lesion, comprising the steps of:
1) Before CT scanning, a bracket with a vertical line is fixed on the head of a patient, and a cross bar with a side wall tangential to the vertical line is arranged on the bracket, wherein the vertical line is a first marker for positioning the head position of the patient, then the patient lies on a CT machine, the head position of the patient is adjusted, the vertical line is tangential to the cross bar, and a plane corresponding to the vertical line is a first plane;
2) Opening a CT machine, irradiating a plurality of infrared rays on the CT machine on the body of a patient at the moment, and then attaching a second marker along the direction of the infrared rays, wherein the second marker is metal MARK;
3) Scanning a patient by a CT machine, forming a focus part and a MARK point formed by a metal MARK on a CT sheet, and then directly calculating the distance L1 from the focus point along the X-axis direction and the distance L2 from the MARK point to the focus point along the Y-axis direction on the CT sheet;
4) Transferring the patient to an operating room, and then adjusting the patient to the posture of the patient until the vertical line on the head of the patient is tangential to the cross bar again;
5) According to the L1 and L2 calculated in the step 4), taking the marker as a starting point, adopting a vertically irradiated laser pen to irradiate a vertical ray, wherein the ray is a third marker, then moving the laser pen to L1 along the X-axis direction, then moving the laser pen to L2 along the Y-axis direction, and at the moment, the position irradiated by the ray is the focus position of a corresponding patient, and further marking the focus position of the patient;
6) The puncture needle vertically punctures the brain of the patient along the rays according to the focus position of the patient in the step 5), and the focus of the brain is cleared.
As shown in fig. 1-7, in some embodiments, the fixation device of the patient's head may be implemented by, for example, a stereotactic headgear assembly.
The stereotactic headstock device comprises a headstock ring 1, a fixing part 2 and a headstock body 3; wherein the head ring piece 1 is a metal ring, the head ring piece 1 is an approximately square metal frame, and the head ring piece 1 can be sleeved on the head of a human body; the head ring 1 comprises a ring body part 101 and a bending part 102, wherein the ring body part 101 is a square frame, the bending part 102 is of an inverted V-shaped structure, and the bending part 102 can be integrally formed with the ring body part 101 or connected with the ring body part 101 through screws; the number of the fixing parts 2 is four, and the four fixing parts 2 are respectively installed at four corners of the ring body part 101, and after the head ring 1 is fitted on the head of the human body, are then fixed to the head of the human body by the four fixing parts 2.
Specifically, the fixing component 2 includes a column 21 and a fixing rod 22, where the column 21 is a carbon fiber rod, or may be a metal rod; on the ring body 101 there is a groove 105, the post 2 is embedded in the groove 105 and the post 21 is fixed to the head ring 1 by a connecting structure; specifically, the connecting structure includes a chute 210 and a connecting piece 5, wherein the chute 210 is a strip-shaped through slot, a circle of protruding portion 211 with a thickness smaller than the depth of the chute 210 is provided on the inner wall of the chute 210, the connecting piece 5 is a metal bolt, the connecting piece 5 passes through the chute 210, and then the connecting piece 5 is in threaded connection with the ring body 101; after the connecting piece 5 is screwed with the ring body 101, the end of the connecting piece 5 will closely abut against the protruding portion 211, so as to press the column 21 to fix the column 21.
Further, the fixing rod 22 is a medical plastic rod, the front end of the fixing rod 22 is in a conical structure, a cross or hexagonal groove is formed at the rear end of the fixing rod 22, a screw hole is formed at the upper end of the column 21, the fixing rod 22 passes through the screw hole, and the fixing rod 22 is in threaded connection with the inner wall of the screw hole, so that the fixing rod 22 can be positioned at a corresponding position by rotating the fixing rod 22; when the head ring 1 is fixed, the head ring 1 can be fixed by rotating the four fixing rods 22 to simultaneously prop against the head of a human body.
Specifically, the frame 3 is made of transparent plastic, the frame 3 is approximately square box-shaped, the frame 3 can be sleeved on the head of a human body, and the frame 3 comprises two side frames 301, a rear frame 302 and a top frame 303; wherein the side frames 301 are hollow square plates, the side frames 301 are provided with cross-shaped reinforcing rods 309, the two side frames 301 are left and right, the top frame 303 is a plastic frame with the structure consistent with that of the side frames 301, and the top frame 303 is connected with the upper ends of the two side frames 301; the structure of the rear frame body 302 is consistent with that of the side frame bodies 301, the rear frame body 302 is positioned on one side of the two side frame bodies 301, and the upper end of the rear frame body 302 is connected with the top frame body 301; after the frame body 3 is sleeved on the head of a human body, the lower ends of the side frame body 301 and the rear frame body 302 are respectively supported on the head ring 1.
Further, mounting lugs 32 are arranged at the left and right ends of each side frame 301, the mounting lugs 32 and the side frames 301 are integrally formed, and the mounting lugs 32 are lugs provided with screw holes; four mounting rods 12 are in threaded connection with the head ring 1, the mounting rods 12 are threaded rods, and the mounting rods 12 can be in threaded connection with the mounting lugs 32, so that when the frame body 3 is put on the head ring 1, the mounting rods 12 rotate, and at the moment, the mounting rods 12 are in threaded connection with the mounting lugs 32 from bottom to top.
Specifically, the first positioning portion 11 is provided on the head ring 1, the first positioning portion 11 is a strip-shaped groove formed on the head ring 11, the second positioning portion 31 is provided on the frame 3, the second positioning portion 31 is a protruding strip extending from a lower portion of the side frame 301, after the frame 3 is sleeved on the head of a human body, the second positioning portion 31 is inserted into the first positioning portion 11, so as to position the frame 3, and then the mounting rod 12 and the mounting lug 32 are screwed together, so that the frame 3 is fixed.
Further, a horizontal positioning piece 4 is arranged on the head ring piece 1, and the horizontal positioning piece 4 is positioned in the middle of the bending part 102; the horizontal positioning piece 4 is a level gauge, the horizontal positioning piece 4 is provided with an observation cover 41 which is arranged in a transparent way, the level bubble on the internal horizontal liquid can be directly observed through the observation cover 41, and the end surface of the observation cover 41 is a convex surface, so that the level bubble can be enlarged; on the observation cover 41, marked lines 411 are provided, the number of the marked lines 411 is three, and the middle one is located in the middle of the observation cover 41.
Specifically, in other embodiments, the horizontal positioning member 4 may be located on the frame 3, and of course, the horizontal positioning member 4 may also be installed on both the head ring 1 and the frame 3.
As shown in fig. 8-18, in some embodiments, the horizontal positioning member may be replaced by providing a vertical line on the frame body.
Further, a vertical member 61 is provided on the frame 3, the vertical member 61 is composed of a flexible pull wire 611 and a gravity ball 612, and the gravity ball 612 is connected to the pull wire 611, so that the vertical member 61 can naturally sag; a locking component is arranged on the frame body 3, and one end of the vertical line piece 61 is positioned on the locking component, so that the locking component can move back and forth on the frame body 3; the locking part comprises a moving part 71 and a locking part 72, wherein the moving part 71 comprises a bottom plate 711, a supporting convex rod 712 and a guiding rod 713, the bottom plate 711 is a plate with a screw hole, the supporting convex rod 712 is a rod with a groove, the guiding rod 713 is connected inside the groove of the supporting convex rod 712 through a screw, and one end of the vertical line part 61 is connected with the guiding rod 713.
Specifically, the frame body 3 is provided with a movable groove 300, the movable groove 300 is a bar-shaped groove, the bottom plate 711 is positioned in the movable groove 300, the inner wall of the movable groove 300 is connected with a limiting piece 308, the limiting piece 308 is a plastic piece, the limiting piece 308 is fixed on the inner wall of the movable groove 300 through a screw, and the limiting pieces 308 limit the two sides of the bottom plate 711; the moving member 71 has a marking part 701, the marking part 701 is an arrow, the frame 3 is provided with a reference numeral 311, and the reference numeral 311 is a data scale; the marking part 701 may correspond to the reference numeral 311, the locking member 72 is a screw, and the locking member 72 is screwed with an inner wall of a screw hole of the moving member 71, so that when the locking member 72 rotates, a lower end of the locking member 72 abuts against a bottom of the movable slot 300, thereby locking the moving member 71.
Further, a positioning structure is arranged on the frame body 3, the positioning structure is used for marking the position of the vertical line piece 61 after the vertical line piece 61 naturally sags, the positioning structure is a positioning piece 62 which is rotatably positioned on the frame body 3, the positioning piece 62 is a plastic rod, when the positioning piece 62 rotates, the positioning piece has larger damping, namely, a larger force is required to rotate, and a positioning concave part 621 is arranged on the positioning piece 62; when the patient lies on the CT apparatus, the locking piece 72 is released, then the moving piece 71 is pushed to slide along the movable groove 300 until the vertical piece 61 approaches the positioning piece 62, at the moment, the positioning piece 62 is rotated to correspond to the vertical piece 61 in the positioning concave portion 621, the moving piece 71 is pushed to be tangent with the inner wall of the positioning concave portion 621, and the locking piece 72 is then screwed to fix the moving piece 71; after the patient has been transferred onto the operating table, the position of the patient's brain is adjusted to the point where the vertical piece 61 is again tangential to the inner wall of the positioning recess 621.
19-27, in some embodiments, the surgical specific location may be determined by moving the intraoperative positioning apparatus a predetermined distance.
The intraoperative positioning apparatus includes a frame 1, a vertical marker 444, a horizontal movement device, and scale marks.
The frame body 1 can be fixed on an operating table; the frame 1 comprises a telescopic rod and a base 12a, the base 12aa is provided with an abutting part 121a, the base 12a is formed by surrounding three metal plates to form a notch, the metal plate at the bottom end is provided with an abutting hole, the abutting part 121a comprises a hand-twisting part 122a, a screw rod 123a and an abutting part 124a, the screw rod 123a penetrates through the abutting hole, the abutting hole is provided with threads matched with the screw rod 123a, the abutting part 124a is arranged at the top end of the screw rod 123a and is a round metal sheet, the abutting part 124a is positioned in the notch after the screw rod 123a penetrates through the abutting hole, the hand-twisting part 122a is arranged at the tail end of the screw rod 123a, the hand-twisting part 122a is provided with a plurality of friction bulges, the abutting part 124a can be controlled to move upwards or downwards in a manner by rotating the hand-twisting part 122a, so that an operation bed part is placed in the notch, and then the hand-twisting part 122a and the abutting part 124a and the bottom of the bed are tightly fixed.
The telescopic rod specifically comprises a bottom rod 111a, a connecting rod 112a and a locking piece 13a, the bottom rod 111a is connected with the base 12a, a telescopic groove 113a is formed in the bottom rod 111a, the connecting rod 112a can move up and down in the telescopic groove 113a, a fixing hole communicated with the telescopic groove is formed in the abutting rod 111a, the locking piece 13a comprises a rotating part 131a, a locking rod 132a and an abutting plate 133a, the locking rod 132a penetrates through the fixing hole, the locking rod 132a is in threaded connection with the fixing hole, the abutting plate 133a is a circular metal plate, the abutting plate 133a is in mutual abutting connection with the connecting rod 112a, the rotating plate 131a is arranged at the tail end of the locking rod 132a, a friction pattern is formed on the locking part 131a, and the abutting plate 133a can be controlled to move inwards or outwards in a mode of rotating the rotating part 131a, so that whether the abutting plate 133a abuts against the connecting rod 112a is controlled.
The connecting rod 112a is connected with the horizontal moving device, the horizontal moving device comprises a coarse adjusting component and a fine adjusting component, the coarse adjusting component comprises a length rod body 211a, a fixed rod body 212a and a locking roller 216a, the fixed rod body 212a and the connecting rod 112a are mutually connected, the fixed rod body 212a and the connecting rod 112a are mutually perpendicular, a guide groove 213a is formed in the fixed rod body 212a, a protrusion 214a is formed in the length rod body 211a, the protrusion 214a and the guide groove 213a are mutually matched, the length rod body 211a can slide in the guide groove 213a through the protrusion 214a, a plurality of mutually communicated locking holes 215a are formed in the length rod body 211a and the fixed rod 212a, and the locking roller 216a is inserted into the locking holes 215a to mutually lock the length rod body 211a and the fixed rod 212 a. The inner wall of the guide slot 213a is symmetrically provided with a drop-preventing slot 231a, the protrusion 214a is provided with a drop-preventing portion 232a which is matched with the drop-preventing slot 231a, and the drop-preventing portion 232a is a strip-shaped protrusion formed on the protrusion 214 a.
The fine adjustment assembly comprises a movable rod 22a, a transmission rod 24a and a rotating piece 25a, wherein a rotating hole is formed in the length rod body 211a, the transmission rod 24a is arranged in the rotating hole, threads are arranged on the transmission rod 25a, a transmission channel 221 is arranged on the movable rod 22a, the transmission rod 25a is inserted into the transmission channel 221a, threads matched with the transmission rod 24 are arranged in the transmission channel 221a, and threads on the inner wall of the transmission rod 25 and threads on the inner wall of the transmission channel 221a are all threads with fixed screw pitches.
The length rod body 211a is provided with a scale rod 26a, the scale rod 26a is parallel to the movable rod 22a, the scale rod 26a is provided with a rotation stopping groove 261a, the movable rod 22a is provided with a rotation stopping bar 222a, and the rotation stopping bar 222a is clamped into the rotation stopping groove 261 a.
The rotating member 25a is a circular handle provided on the transmission rod 24a, and the scale rod 26a is formed with a rotating opening at the rotating member 25 a.
The scale marks include fine adjustment scale 252a and coarse adjustment scale 253a, the rotating member 25a is provided with a fine adjustment portion, the fine adjustment scale 252a is provided on the fine adjustment portion, the coarse adjustment scale 253a is provided on the scale bar 26a, the length bar body 211a is provided with a laser emitter or a pointer bar, in this embodiment, the length bar body 211a is provided with a laser generator, the laser emitter emits horizontal laser to irradiate on the fine adjustment portion, and only the scale irradiated by the laser needs to be read when the fine adjustment scale 252a on the fine adjustment portion is read. The rough adjustment scale 253a is provided on the scale bar 26 a.
The movable rod 22a is provided with a vertical connecting part 221a, and the vertical connecting part 221a is composed of a vertical straight rod perpendicular to the movable rod 22a and two obliquely placed straight rods.
The vertical connection portion 221a and the vertical marker 444 are connected through a suspension assembly, the suspension assembly comprises a fixing shell 31a, a suspension portion 32a and a connection portion 33a, the fixing shell 31a is formed by cutting a groove in a metal rod body, the suspension portion 32a is a sphere which is matched with the groove formed at the tail end of the fixing shell 31a, a transverse connection shaft 321a is arranged on the suspension portion 32a, the fixing shell 31a and the suspension portion 32a are connected with each other through the transverse connection shaft 321a, the fixing shell 31a can rotate around the transverse connection shaft as an axis, a longitudinal connection shaft 322a is arranged on the suspension portion 32a, the suspension portion 32a and the connection portion 33a are connected through the longitudinal connection shaft 332a, and in the embodiment, the connection portion 33a and the fixing shell 31a are identical in structure.
The vertical marker 444 includes a laser emitter 41a and a fixed body 42a, the fixed body 42a is a hollow cylinder, the fixed body 42a is formed with a pipe 421a, and the laser emitters 41 are circumferentially arranged around the fixed pipe 421 a.
Further, by reading the fine adjustment scale 252a and the coarse adjustment scale 253a, the distance that the movable rod 22a moves along the vertical connection 221a can be calculated to determine the direction in which the vertical marker 444 is pointing.
28-31, in some embodiments, the horizontal movement device can be replaced by a horizontal movement assembly, so that the horizontal movement device can automatically move a corresponding distance under the drive of the driving piece, and accurate positioning of the surgical position can be realized. The connecting rod 112a is provided with a horizontal moving component, and the movable rod 22a is connected with the connecting rod 112a through the horizontal moving component. The vertical marker is suspended from a movable rod 22 a.
The horizontal movement assembly comprises a driving piece 21b, a transmission rod 25b and a horizontal rod 24b, wherein the driving piece 21b is a common servo motor in the market, and a micro control unit is arranged on the driving piece 21 b. The driving piece 21b is connected to the frame body 1, an output shaft of the driving piece 21b is connected with the transmission rod 25b, threads are arranged on the transmission rod 25b, screw holes are formed in the movable rod 22, the transmission rod 25b is inserted into the movable rod 22, the screw holes and the threads are matched with each other, and the micro control unit can control the number of turns of the driving piece 21b, so that the micro control unit can control the moving distance of the movable rod 22.
The horizontal rod 24b is connected with the frame body 1, the horizontal rod 24b is arranged above the movable rod 22, a rotation stopping groove 241b is formed in the horizontal rod 24b, a protrusion 222b matched with the rotation stopping groove is formed in the movable rod 22, and the protrusion 222b is a strip-shaped protrusion formed on the movable rod 22.
In some embodiments, as shown in fig. 32-33, the suspension assembly may also be configured as a suspension assembly, where the suspension assembly includes a fixing shell 31c, a suspension portion 32c and a connection portion 33c, where the fixing shell 31c is formed by cutting a groove in a metal rod body, the suspension portion 32c is a sphere that is matched with the groove formed at the end of the fixing shell 31c, the suspension portion 32c is provided with a transverse connection shaft 321c, the fixing shell 31c and the suspension portion 32c are connected with each other by the transverse connection shaft 321c, the fixing shell 31c may rotate around the transverse connection shaft as an axis, the suspension portion 32c is provided with a longitudinal connection shaft 322c, and the suspension portion 32c and the connection portion 33c are connected by the longitudinal connection shaft 332c, and in this embodiment, the connection portion 33c and the fixing shell 31c are identical in structure.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.

Claims (1)

1. A device for accurately positioning a focus of a patient, which is characterized in that: comprises a head ring (1), a fixing part (2) and a frame body (3); the head ring (1) is a metal ring, the head ring (1) comprises a ring body part (101) and a bending part (102), the ring body part (101) is a square frame, the bending part (102) is of an inverted V-shaped structure, the number of the fixing parts (2) is four, and the four fixing parts (2) are respectively arranged at four corners of the ring body part (101);
the fixing part (2) comprises a column body (21) and a fixing rod (22), the ring body part (101) is provided with a groove (105), the column body (21) is embedded into the groove (105), and the column body (21) is fixed on the head ring (1) through a connecting structure; the connecting structure comprises a chute (210) and a connecting piece (5), wherein the chute (210) is a strip-shaped through groove, a circle of protruding parts (211) with the thickness smaller than the depth of the chute (210) are arranged on the inner wall of the chute (210), the connecting piece (5) is a metal bolt, the connecting piece (5) passes through the chute (210), and then the connecting piece (5) is in threaded connection with the ring body part (101);
the fixing rod (22) is a medical plastic rod, the front end part of the fixing rod (22) is of a conical structure, the rear end of the fixing rod (22) is provided with a cross or hexagonal groove, the upper end of the column body (21) is provided with a screw hole, the fixing rod (22) passes through the screw hole, and the fixing rod (22) is in threaded connection with the inner wall of the screw hole, so that the fixing rod (22) can be positioned at a corresponding position by rotating the fixing rod (22);
the frame body (3) comprises two side frame bodies (301), a rear frame body (302) and a top frame body (303); the side frames (301) are hollow square plates, cross-shaped reinforcing rods (309) are arranged on the side frames (301), the two side frames (301) are left and right, the top frame (303) is a plastic frame with the structure consistent with that of the side frames (301), and the top frame (303) is connected with the upper ends of the two side frames (301); the structure of the rear frame body (302) is consistent with that of the side frame bodies (301), the rear frame body (302) is positioned on one side of the two side frame bodies (301), and the upper end of the rear frame body (302) is connected with the top frame body (301);
mounting lugs (32) are arranged at the left end and the right end of each side frame body (301), the mounting lugs (32) and the side frame bodies (301) are integrally formed, and the mounting lugs (32) are lugs provided with screw holes; four mounting rods (12) are arranged on the head ring piece (1) in a screwed mode, and the mounting rods (12) are screw rods;
the head ring (1) is provided with a first positioning part (11), the first positioning part (11) is a strip-shaped groove formed on the head ring (1), the frame body (3) is provided with a second positioning part (31), and the second positioning part (31) is a convex strip extending out of the lower part of the side frame body (301);
the head ring (1) is provided with a horizontal positioning piece (4), and the horizontal positioning piece (4) is positioned in the middle of the bending part (102); the horizontal positioning piece (4) is a level meter, the horizontal positioning piece (4) is provided with an observation cover (41) which is arranged in a transparent mode, the end face of the observation cover (41) is a convex face, marked lines (411) are marked on the observation cover (41), the number of the marked lines (411) is three, and the middle one of the marked lines is located in the middle of the observation cover (41);
the novel vertical line type lifting device is characterized in that a vertical line piece (61) is arranged on the frame body (3), the vertical line piece (61) is composed of a flexible pull line (611) and a gravity ball (612), the gravity ball (612) is connected to the pull line (611), a locking component is arranged on the frame body (3), one end of the vertical line piece (61) is located on the locking component, the locking component comprises a moving piece (71) and a locking piece (72), the moving piece (71) comprises a bottom plate (711), a supporting protruding rod (712) and a guiding rod (713), the bottom plate (711) is a plate with a screw hole, the supporting protruding rod (712) is a rod with a groove, the guiding rod (713) is connected to the inside of the groove of the supporting protruding rod (712) through a screw, and one end of the vertical line piece (61) is connected with the guiding rod (713).
The movable groove (300) is formed in the frame body (3), the movable groove (300) is a strip-shaped groove, the bottom plate (711) is located in the movable groove (300), a limiting piece (308) is connected to the inner wall of the movable groove (300), the limiting piece (308) is a plastic piece, the limiting piece (308) is fixed to the inner wall of the movable groove (300) through a screw, and the limiting pieces (308) limit the two sides of the bottom plate (711); the moving part (71) is provided with a marking part (701), the marking part (701) is an arrow, the frame body (3) is provided with a mark (311), and the mark (311) is a data scale; the identification part (701) can correspond to the reference number (311), the locking piece (72) is a screw rod, and the locking piece (72) is in threaded connection with the inner wall of the screw hole of the moving piece (71);
the locating structure is arranged on the frame body (3) and is used for marking the position of the vertical line piece (61) after the vertical line piece (61) naturally sags, the locating structure is a locating piece (62) which is rotatably arranged on the frame body (3), the locating piece (62) is a plastic rod, and when the locating piece (62) rotates, the locating piece can rotate under larger damping, namely, larger force is needed, and a locating concave part (621) is arranged on the locating piece (62).
CN202110003946.3A 2021-01-04 2021-01-04 Method for accurately positioning focus of patient Active CN112890924B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110003946.3A CN112890924B (en) 2021-01-04 2021-01-04 Method for accurately positioning focus of patient

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110003946.3A CN112890924B (en) 2021-01-04 2021-01-04 Method for accurately positioning focus of patient

Publications (2)

Publication Number Publication Date
CN112890924A CN112890924A (en) 2021-06-04
CN112890924B true CN112890924B (en) 2023-05-23

Family

ID=76112206

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110003946.3A Active CN112890924B (en) 2021-01-04 2021-01-04 Method for accurately positioning focus of patient

Country Status (1)

Country Link
CN (1) CN112890924B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4706665A (en) * 1984-12-17 1987-11-17 Gouda Kasim I Frame for stereotactic surgery
EP1322247A1 (en) * 2000-09-24 2003-07-02 Medtronic, Inc. Surgical headrframe with soft contact pads for use with a stereotactic system
CN201384570Y (en) * 2009-02-27 2010-01-20 中国人民解放军第四军医大学唐都医院 Carbon fiber solid developing self-adapting stereo guide headstock
CN103845114A (en) * 2014-03-12 2014-06-11 汪云超 CT (computed tomography) guidance percutaneous puncture three-dimensional positioning frame
CN104146772A (en) * 2014-07-29 2014-11-19 北京理工大学 Robot for accurate diagnosis and treatment of maxillofacial diseases
CN109330712A (en) * 2018-10-24 2019-02-15 陈健 A kind of intracranial lesion localised puncture device and its sphenotresia positioning device
CN110338913A (en) * 2019-07-18 2019-10-18 张波 CT skull micro wound locator for operation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB479886A (en) * 1936-08-15 1938-02-14 Eric Birger Fernberg An improved fastener
CN2395705Y (en) * 1999-10-29 2000-09-13 涂明义 Puncture position finder for intracranial hematoma
US10076387B2 (en) * 2015-06-18 2018-09-18 Medtronic, Inc. Medical device implantation and positioning system
WO2019157070A1 (en) * 2018-02-07 2019-08-15 Mayo Foundation For Medical Education And Research Neurosurgical systems and related methods
CN109998648A (en) * 2019-05-05 2019-07-12 杨俊� Brain lesion target spot Needle localization method and its puncture positioning device
CN215839527U (en) * 2020-12-25 2022-02-18 山东盛原康医疗器械有限公司 Stereotactic headstock device
CN216365196U (en) * 2020-12-25 2022-04-26 山东盛原康医疗器械有限公司 Intraoperative positioning device for operation
CN216365308U (en) * 2020-12-25 2022-04-26 山东盛原康医疗器械有限公司 Automatic positioning device in operation
CN214966796U (en) * 2020-12-25 2021-12-03 山东盛原康医疗器械有限公司 Positioning auxiliary device for operation
CN215839528U (en) * 2020-12-25 2022-02-18 山东盛原康医疗器械有限公司 Brain stereotactic auxiliary device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4706665A (en) * 1984-12-17 1987-11-17 Gouda Kasim I Frame for stereotactic surgery
EP1322247A1 (en) * 2000-09-24 2003-07-02 Medtronic, Inc. Surgical headrframe with soft contact pads for use with a stereotactic system
CN201384570Y (en) * 2009-02-27 2010-01-20 中国人民解放军第四军医大学唐都医院 Carbon fiber solid developing self-adapting stereo guide headstock
CN103845114A (en) * 2014-03-12 2014-06-11 汪云超 CT (computed tomography) guidance percutaneous puncture three-dimensional positioning frame
CN104146772A (en) * 2014-07-29 2014-11-19 北京理工大学 Robot for accurate diagnosis and treatment of maxillofacial diseases
CN109330712A (en) * 2018-10-24 2019-02-15 陈健 A kind of intracranial lesion localised puncture device and its sphenotresia positioning device
CN110338913A (en) * 2019-07-18 2019-10-18 张波 CT skull micro wound locator for operation

Also Published As

Publication number Publication date
CN112890924A (en) 2021-06-04

Similar Documents

Publication Publication Date Title
CN203988384U (en) Foramen intervertebrale lens operation puncturing orienting device
CN201968836U (en) Puncture needle guider
JP3166457U (en) Needle support stand
CN208511137U (en) A kind of universal joint body portion fixator
CN112890924B (en) Method for accurately positioning focus of patient
CN216365196U (en) Intraoperative positioning device for operation
CN211381656U (en) Spinal puncture positioning device
CN100394899C (en) Laser beam guide device for puncture
CN215839528U (en) Brain stereotactic auxiliary device
JP7133887B1 (en) Thoracolumbar pedicle three-dimensional positioning device
CN216365308U (en) Automatic positioning device in operation
CN2585626Y (en) Laser beam inducer for puncture
CN110279456B (en) Puncture positioning guide device applied to intervertebral foramen mirror operation and application method thereof
CN114515195A (en) Lung puncture surgical robot
CN108969900A (en) Extracranial tumors accurate radiotherapy puts position device
CN211156113U (en) Universal puncture navigation positioner for vertebral pedicle of vertebral column
CN210903273U (en) Positioning and guiding device for percutaneous pedicle puncture
CN110664465B (en) Unilateral percutaneous puncture centrum guider
CN211325694U (en) Positioning device for spinal surgery
CN211355776U (en) Puncture auxiliary device
CN210408592U (en) CT-guided lower body part fixed puncture navigation system
CN201612702U (en) Minimally invasive procedure guiding apparatus for percutaneous under guiding of CT
KR101458403B1 (en) Instrument for stereotactic surgery of brain
CN111329560A (en) Neurosurgery body surface location and puncture guide instrument
CN207613837U (en) A kind of Quantitative Study of Lateral Ventricle puncture of frontal angle guiding locator

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: Room 406, Building 1, North Zone, Zhejiang Industrial Park, No. 7, Changzhuang 4th Road, West Zone, Economic Development Zone, Xuecheng District, Zaozhuang City, Shandong Province, 277000

Patentee after: Easy Test (Shandong) Medical Technology Co.,Ltd.

Address before: Room 407, building 1, North District, Zhejiang Industrial Park, No.7, Changzhuang 4th Road, West District, Xuecheng Economic Development Zone, Zaozhuang City, Shandong Province 277100

Patentee before: Shandong shengyuankang Medical Instrument Co.,Ltd.