WO2004021911A1 - 簡易型定位脳手術装置、および患者頭部への当該装置の装着部位の決定に使用されるバンド - Google Patents
簡易型定位脳手術装置、および患者頭部への当該装置の装着部位の決定に使用されるバンド Download PDFInfo
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- WO2004021911A1 WO2004021911A1 PCT/JP2003/010804 JP0310804W WO2004021911A1 WO 2004021911 A1 WO2004021911 A1 WO 2004021911A1 JP 0310804 W JP0310804 W JP 0310804W WO 2004021911 A1 WO2004021911 A1 WO 2004021911A1
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- Prior art keywords
- fixing
- patient
- puncture
- head
- guide
- Prior art date
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Classifications
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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
-
- 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
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4423—Constructional features of apparatus for radiation diagnosis related to hygiene or sterilisation
-
- 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
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/501—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of the head, e.g. neuroimaging or craniography
Definitions
- the present invention relates to a simplified stereotactic clear brain surgery device used for surgery for brain diseases such as hypertensive cerebral hemorrhage, brain tumor, brain abscess, hydrocephalus, and cerebral cyst, and a thread for the device on a patient's head.
- brain diseases such as hypertensive cerebral hemorrhage, brain tumor, brain abscess, hydrocephalus, and cerebral cyst
- a thread for the device on a patient's head a simplified stereotactic clear brain surgery device used for surgery for brain diseases such as hypertensive cerebral hemorrhage, brain tumor, brain abscess, hydrocephalus, and cerebral cyst
- the present invention relates to a band used for determining a mounting site.
- Komai-type apparatus As the 'conventional' stereotactic brain surgery apparatus, there is known a so-called Komai CT stereotactic brain surgery apparatus (hereinafter, simply referred to as " Komai-type apparatus") (for example, see the following document 1).
- Komai-type apparatus had difficulties in terms of hygiene and the like, since the device had to be mounted from the CT imaging stage before the operation.
- the following document 2 proposes a simple stereotaxic apparatus with a simpler configuration.
- This device requires an arc-shaped frame or the like for inserting a puncture needle from a desired direction, and accordingly, the configuration is complicated, and there are other problems in safety and the like.
- Patent Application Laid-Open No. 11-13-758 (published on: May 25, 1999; especially Figure 1)
- An object of the present invention is to provide an inexpensive manufacturing device with a simple configuration, and at the same time, to be hygienic and operate. It is an object of the present invention to provide a simplified stereotaxic device having excellent operability and safety, and a band used for determining a mounting site of the device on a patient's head.
- a simplified stereotaxic apparatus of the present invention includes a guide frame for guiding the tip of a puncture needle to a predetermined site in the brain, and a fixing member for fixing the apparatus to a patient's head. And left and right fixed frames respectively displaceable in the longitudinal direction of the guide frame.
- the guide frame guides the tip of the puncture needle toward a point on a line connecting the left and right fixed members.
- a plurality of guide recesses are provided.
- the guide recess used for guiding the puncture needle to a predetermined site (lesion site) in the brain can be selected from among the plurality of guide recesses, so that the puncture needle can be moved from the optimal direction to the brain.
- a small-diameter puncture needle can be inserted first along the selected guide recess, and then a large-diameter puncture needle can be easily inserted through the guide recess, making the brain more secure. Surgery becomes possible. It is also possible to simultaneously insert a plurality of puncture needles from different guide sections M.
- the “puncture needle” has an outer cylinder and an inner cylinder, and has a structure in which the inner cylinder is hollowed out so that liquid can be drained or sucked from the tip of the hollow body. It is a meaning including.
- the simplified stereotaxic apparatus of the present invention further has any one of the following configurations.
- the guide frame is scaled. This facilitates the positioning of the left and right fixed frames and the position of the selected guide recess.
- the guide frame has a shake preventing member for preventing the puncture needle from being shaken when guiding the puncture needle through the recess.
- a shake preventing member for preventing the puncture needle from being shaken when guiding the puncture needle through the recess.
- the auxiliary fixing member is an auxiliary fixing portion for assisting fixing of the device to the patient's head, and the auxiliary fixing portion and the fixing frame are connected at an angle freely around the fixing member as a center. And a distance adjusting section for adjusting the distance between the auxiliary fixing section and the fixing member.
- the fixing position to the patient's head by the auxiliary fixing member can be freely selected within the adjustment range (1).
- the range in which the auxiliary fixing member can be fixed is wide, and a safer fixing position can be selected accordingly.
- the band used to determine the mounting position of the device on the patient's head before the brain surgery using the simplified stereotaxic device according to the present invention and to mark the position is performed.
- the mark members are aluminum or its alloy, stainless steel, brass, ⁇ Preferably, it contains nichrome, or animal bone or tooth artifacts. If the mark members contain any of the above materials, the position of each mark member will clearly appear in a dot-shape when imaged by CT, etc., and work to determine the mounting position of the device on the patient's head Can be easily performed.
- the main body is formed in a mesh shape, so that a mark can be written on the head of the patient on which the band is wound from above the band.
- FIG. 1 is an exploded perspective view showing a schematic configuration of a simplified stereotaxic apparatus according to an embodiment of the present invention.
- FIG. 2 shows a front view and a side view of a state in which the simplified stereotaxic apparatus is assembled.
- FIG. 3 is an enlarged view showing a state in which a puncture needle is inserted between the main body of the frame with a puncture guide and the shake preventing plate in the simplified stereotaxic apparatus.
- FIG. 4 are views of two bands constituting the marking band according to the embodiment of the present invention as viewed from the front and the back.
- FIG. 5 is a diagram showing a configuration of a marking band obtained by joining the two bands.
- FIG. 6 are views illustrating one process of performing marking on a patient's head before surgery using the above-mentioned marking band.
- FIG. 7 are diagrams illustrating one process of performing a premarking operation on a patient's head using the marking band.
- FIG. 8 are diagrams schematically illustrating a CT image, and are diagrams illustrating a process of determining a device mounting site.
- FIG. 9 are diagrams illustrating one process of performing a premarking operation on a patient's head using the marking band.
- FIG. 10 are diagrams schematically illustrating a CT image, and are diagrams illustrating a process of measuring a distance between a left and right device attachment site and a lesion center point.
- FIG. 11 are diagrams showing the operative field. .
- FIG. 12 is a diagram illustrating a step of setting the position of the left fixed frame of the simplified stereotaxic apparatus.
- Fig. 13 is a diagram illustrating the process of mounting the simplified stereotaxic device on the patient's head. It is.
- FIG. 14 is a diagram illustrating a process of selecting an optimal guide groove before inserting a puncture needle from a birth site into the brain.
- FIG. 15 is a diagram showing a state in which the simple stereotaxic apparatus is fixed at an optimal position for puncturing by the auxiliary fixing tool.
- FIG. 16 is a diagram showing a stopper and a state where the stopper is attached to the puncture needle.
- FIG. 17 is an exploded perspective view showing a schematic configuration of a simplified stereotaxic apparatus according to another embodiment of the present invention.
- FIG. 1 is an exploded perspective view showing a schematic configuration of a simplified stereotaxic apparatus (hereinafter, referred to as “the apparatus”) 1 of the present embodiment, and FIG. It is a figure and a side view (the same figure also shows two puncture needles 7 1 and 7 2 with different diameters).
- the present apparatus 1 is generally provided with a puncture guide-equipped frame (guide frame) 2, a right-side fixed frame 3, a left-side fixed frame 4, and an auxiliary fixture (auxiliary fixed member) 5.
- the tips 71 1a and 72a of the puncture needles 71 1 and 72 are guided to a lesion site in the brain (in the example of use described below, the hematoma cavity corresponds to the lesion site).
- a plurality of guide grooves 21 (guide recesses) and a scale 22 used to align the left and right fixed frames 3 and 4 are engraved.
- the scale 2 2 has a starting point “0” at the center, and the scale 2 2 is attached to the left and right at 11 mm intervals in 5 mm increments.
- the number of the guide grooves 21 is equal to the number of the graduations 22.
- the guide groove 2 10 located at the starting point “0” is the same as the direction of the arrow A, which is the longitudinal direction of the frame 2 with puncture guide. It is engraved in the vertical B direction (in other words, the direction perpendicular to the line L connecting the left and right fixed needles 31 1 and 41 described later).
- the directions of the guide grooves 21 other than the guide grooves 210 are all the same as the line X extending along the groove direction of the guide grooves 210 and the line L connecting the left and right fixed needles 3 1 and 4 1. It is engraved toward the intersection P where. In other words, all the guide grooves 21 on the puncture guide-equipped frame 2 are formed radially with the intersection P as a center so that when the line is extended along the groove direction, they are gathered at the intersection P. .
- the frame 2 with a puncture guide has an anti-shake plate 2 for preventing the puncture needles 7 1 and 7 2 from shaking when inserted on the surface 2 a on which the guide grooves 21 and the scales 22 are engraved.
- the blur prevention plate 23 is formed transparent so that the guide groove 21 and the scale 22 can be visually recognized through the blur prevention plate 23.
- the anti-shake plate 23 is attached to the main body 25 of the frame 2 with puncture guide by means of screws 2 42, coil springs 2 4 3 (pressing members) and washers 24 4 which are screwed into the left and right screw holes 2 41. It is attached. As described above, the anti-shake plate 23 is provided between the main body 25 and the washer 2.
- FIG. 3 is an enlarged view showing a state where a puncture needle 71 is inserted between the main body 25 of the puncture guide-equipped frame 2 and the blur prevention plate 23.
- the puncture needle 71 is sandwiched between the main body 25 and the anti-shake plate 23, and is reliably inserted along the guide groove 21. Therefore, it is possible to prevent the puncture needle 71 from being displaced during insertion and to ensure that the tip 71 a of the puncture needle 71 reaches the lesion site in the brain.
- Fig. 3 Scale 2 2 has been omitted for clarity.
- one end 26 and the other end 27 of puncture guide frame 2 are formed in a tapered shape (that is, extending from front surface 2a toward back surface 2b).
- the main body 25 of the puncture guide-equipped frame 2 has a substantially trapezoidal cross section. Recesses 32, 42 are formed in the left and right fixed frames 3, 4 so as to fit into this trapezoidal shape. Therefore, the fixed frames 3 4 are fitted into the main body 25 of the puncture guide frame 2 by sliding the recesses 3 2-4 2 of the puncture guide frame 2, so that the fixed frames 3, 4 become punctured guide frames. It is configured to be freely movable along the longitudinal direction of 2 (that is, the direction of arrow A).
- the recesses 3 2 ⁇ 4 2 of the left and right fixed frames 3 ⁇ 4 also have substantially rectangular recesses 3 8 ⁇ 4 8 (recesses that penetrate to the back 3 3 ⁇ 4 3 ) Are formed, and the non-slip members 39, 49 are fitted into these rectangular recesses 38, 48.
- the non-slip members 3 9, 49 are formed in a substantially flat plate shape, but are slightly inclined from left and right toward the center, and are fitted in the rectangular portions 38.
- the center of the members 39, 49 is formed so as to slightly protrude from the surface of the upper part 32, 42. This prevents the fixed frames 3, 4 fixed on the puncture guide frame 2 from being easily moved, even if the fixing screws 34, 44 are loosened. Is prevented from being easily displaced.
- the left and right fixed frames 3 and 4 have fixed needles (fixed members) 3 1 and 4 1 at their ends. are doing.
- the fixed needles 3 1 and 4 1 are used to attach the device 1 to the patient's head, and are fixed to the patient's skull at the device attachment sites Cr and C 1 described later (see Fig. 14). See).
- a male screw 37 is formed on the right fixing frame 3 on the side opposite to the fixing needle 31, and the catching fixture 5 can be attached to the right fixing frame 3 via the male screw 37.
- the auxiliary fixture 5 is used to assist the mounting of the device 1 on the patient's head by fixing it at three points (see Fig. 15).
- the auxiliary fixing tool 5 has an auxiliary fixing needle (auxiliary fixing part) 51, a connecting arm (connecting member) 52, and a position fixing knob 53.
- the auxiliary fixed needle 51 has a screw part 5 11 and a knob part 5 12, and the screw part 5 11 is screwed into a screw hole 5 21 of the connecting arm 52. Therefore, the tip 51 a of the auxiliary fixed needle 51 can be moved in the direction of the arrow C (the direction parallel to the direction of the arrow A) by turning the knob 5 12.
- a horizontally long opening 522 is provided along the longitudinal direction of the connecting arm 52.
- the connecting arm 52 With the male screw 37 loosely inserted into the opening 52 2, the connecting arm 52 is screwed and tightened with the position fixing knob 53 screwed to the male screw 37, so that the connecting arm 52 becomes the right fixing frame 3. Fixed to. Therefore, with the position fixing knob 53 loosened, set the angle ⁇ of the connecting arm 52 with respect to the right fixing frame 3 and the distance ⁇ between the fixed needle 31 and the auxiliary fixed needle 51 as desired. After that, the angle ⁇ and the distance ⁇ ⁇ can be easily adjusted by tightening the position fixing knobs 5 3.
- the position fixing knob 53 and the opening 522 have a role of an adjusting unit for adjusting the angle ⁇ and the distance ⁇ .
- the left and right fixed frames 3 and 4 are provided with scalp surface transition lines 36 and 46, respectively.
- the scalp surface transition lines 36 and 46 are used to set the positions of the fixed frames 3 and 4 in accordance with the positions of the scalp surface of the device mounting site Cr and C1. Detailed usage will be described later.
- This device 1 is composed of a main body 25 of a frame 2 with a puncture guide, left and right fixed frames 3.4,
- the auxiliary fixture 5 is made of stainless steel.
- an acrylic resin is used as a material for transparency.
- the marking band 6 is composed of a combination of two bands 61.62. Both ends of these two bands 6 1 • 6 2 are respectively bonded to a cloth tape 6. By joining them together at 3, 64, they are wound in a loop around the patient's head (see Fig. 6 (c)).
- the cloth tapes 63 and 64 are so-called magic tapes (registered trademark), and the two can be detachably combined.
- the cloth tapes 6 3 and 6 4 are sewn to the body 65 of the two bands 6 1 and 6 2, of which the cloth tape 6 3 is formed to be horizontally long along the body 65.
- the length of the marking band 6 can be easily adjusted according to the size of the patient's head.
- a reinforcing cloth 66 is sewn on the back side of the main body 65 to which the cloth tape 63 is sewn in order to impart strength and prevent slippage.
- the two bands 6 1 and 6 2 are provided with six mark sticks (marking members) 67 at equal intervals. These mark sticks 67 are used to determine the mounting position of the device 1 on the patient's head by using a CT or the like, and a specific usage method thereof will be described later.
- the marking band 6 is wound around the patient's head such that the six mark sticks 67 provided on the two bands 61.62 are arranged at positions facing each other.
- Each mark stick 67 has a length of about 5 cm and is made of a metal bar made of a flexible aluminum alloy. By using such a material, the position of each mark stick 67 appears in the photograph as a clear dot when photographed by CT or the like (see FIGS. 8 (a) and 8 (b)).
- the main body 6 5 of the two bands 6 1 and 6 2 is meshed so that the patient's head can be marked (marked) from above the marking band 6 while being wound on the patient's head. ).
- the center part 68 of the two bands 61 * 62 has a mesh-like shape.
- the material is doubly formed. This mesh material is made of synthetic fiber instead of natural fiber in consideration of strength.
- the marking band 6 is stored in a state where the marking band 6 is divided into two bands 61 and 62, and the mark stick 67 is not attached. Therefore, first, the mark stick 67 is attached to the two bands 61, 62, and then the marking band 6 is wound around the patient's head around the line X as shown in Fig. 6 (c).
- T slice As a result of the imaging, focus on the slice on which the hematoma is maximally displayed on the CT monitor (this is referred to as the target slice, referred to as “T slice”).
- a beam matching the above T slice (for example, the 10th slice) is radiated to the patient's head from the CT gantry by requesting a radiologist, etc., and the line (beam T ) From the marking band 6 on the head with a magic pen or the like.
- the marking band 6 has a mesh shape (mesh)
- ink such as a magic pen easily penetrates into the head (see FIGS. 7 (a) and 7 (b)).
- the T slice on the monitor has six points (referred to as plots) 8 as markers as shown in Fig. 8 (a) on both sides of the brain section. These plots 8 show cross sections of the mark sticks 67, and the position of each plot 8 accurately reflects the position of the mark stick 67. Therefore, of the combinations in which the straight line connecting the arbitrary left and right plots 8 passes through the center of the hematoma H, the combination that is the most stable when the device 1 is installed and has no obstructive structure immediately below the plot 8 is selected. . Accordingly, the selected plot 8 is, for example, a-th on the right side and b-th on the left side, and are referred to as Ra and Lb, respectively (see FIG. 8 (b)).
- the fixed frames 3 and 4 may be overtightened or loosened when mounting the device 1. Instead, they can be adjusted according to the required distance. This completes the series of marking operations.
- the above marking band 6 can be reused by washing it with toluene or the like.
- Figure 12 shows that in the case of left bleeding, the left fixed frame 4 is slid in the direction of the arrow K to match the distance between Lb and He (8.5 cm in this example).
- An example of setting the distance from the upper '0' point to the scalp surface transition line 46 is shown.
- each column is the distance S x from the “0” point on the scale 22, and the right side is the puncture depth D corresponding to each SX.
- the position of the puncture depth D may be marked using a dedicated stopper 74 instead of the silk thread 73.
- the stopper 74 has a configuration including a puncture needle insertion hole 741, a positioning projection 7424, and a position fixing knob 7443.
- a puncture needle 7 1, 7 2 is inserted into the puncture needle insertion hole 7 4 1, and the diameter of the puncture needle insertion hole 7 4 1 depends on the diameter of the puncture needle 7 1, 7 2. Puncture needles 7 and 2 are different.
- Step B-11 Rotate the device 1 near the puncture site, and test-insert the small-diameter dedicated puncture needle 71 along the guide groove 21 determined in Step B-8. At this point, the brain has not yet been punctured. Then, as shown in Fig. 15, the device 1 is firmly fixed to the head with the auxiliary fixed needle 51 at an optimal position for puncturing (fixed at three points).
- the configuration of the device 1 and the marking band 6 of this embodiment and the method of using the same have been described above.
- the above method of use is merely an example, and the method of use is not limited thereto.
- the application of this device 1 is not limited to aspiration of hematoma and hemorrhage, but is used for other purposes such as aspiration of cerebrospinal fluid, injection of antibiotics, dissolution of hematoma by perokinase, washing with physiological saline, etc. There may be.
- the above-mentioned method of use is to guide the puncture needles 7 1 and 7 2 to a lesion site in the brain
- the present device 1 is a device other than such puncture needles 7 1 and 7 2, for example, It may be used for guiding a (silicon) tube or the like that needs to reach a lesion site in the brain during brain surgery into the brain.
- FIG. 17 is an exploded perspective view showing a schematic configuration of a simplified stereotaxic apparatus 100 (hereinafter simply referred to as “apparatus 100”) according to another embodiment of the present invention.
- apparatus 100 the fixed needles '3 1 ⁇ 41' are tightened from both sides by the left and right fixed needle tightening knobs 3 1 1-4 1 1. That is, a male thread is provided on the outer circumference of the shaft 3 1 2-4 1 2 of the fixed needle 3 1 ⁇ 4 1, and a female thread is provided on the inner circumference of the fitting hole 3 1 3 ⁇ 4 13 of the fixed frame 3 ⁇ 4.
- a specific fixing method is as follows, for example.
- the diseased frame is pre-positioned and secured as before, but you may want to check again if the fixation screw 34 (or 44) is loose.
- the knobs of the fixing screws 34 and 44 are formed in a relatively large diameter as shown in Fig. 17 to improve operability.
- the fixation of the device 100 to the patient's head can be easily enhanced.
- the device 100 is fixed to the patient's head at three points by the auxiliary fixed needle 51.
- the auxiliary fixed needle 51 is fixed to the patient's head by operating the knob 51 and the position fixing knob 53. It is good to leave the position fixing knob 5 3 slightly loose until this operation, and then tighten it last.
- a washer 54 is provided between the position fixing knob 53 and the connecting arm 52, and the position fixing knob 53 is used to improve operability. Therefore, the shaft 312 is formed in a shape having a relatively large diameter, and the shaft length of the shaft 312 is formed longer than the male screw 37.
- the apparatus 100 and the apparatus 1 are structurally different also in the following points.
- the device 100 is made of titanium or a titanium alloy, except for the shake prevention plate 23. It is expected that tomographic images will be taken using MRI with the device attached during surgery. Use of titanium alloy or the like as the device material can reduce adverse effects on the image due to device attachment.
- Polycarbonate suitable for autoclave sterilization is used for the material of the anti-shake plate 23.
- the left and right holes 2 45 of the shake prevention plate 23 are formed not in a perfect circle but in a horizontally long oval shape. This is to prevent deformation of the anti-shake plate 23 when the anti-shake plate 23 is attached to the main body 25 of the puncture guide frame 2 with the screw 2 42 and sterilized. is there.
- Screw 2 4 2 head is fixed blade 3 1 ⁇ 4 1 wing plate 3 1 4 ⁇ 4 1 4 and fixed needle tightening knob 3 1 1-4 1 1 Nut for mounting 3 1 5 ⁇ 4 It is formed in the same hexagonal shape as 15 (nuts 4 15 are not shown). This is to make it possible to tighten and remove each member with a single tool such as a wrench.
- the guide recess is provided on the puncture guide frame 2 as a guide recess.
- the guide groove 21 is engraved, but the number of each guide groove 2 1 'depth' width 'length' cross-sectional shape, etc., guides the puncture needles 7 1 and 7 2 along the groove
- the number of guide grooves 21 provided on the puncture guide-equipped frame 2 may be smaller than the number of the configuration of the above embodiment.
- the outer cylinders of the puncture needles 71 1 and 72 have diameters (diameters) of 2 mm and 3 mm, respectively.
- each guide groove 21 is The width is preferably about 0.6 mm to 1.4 mm, and the width of each guide groove 21 is preferably about 1.5 mm or more and 3 mm or less. As described above, the preferred depth and width of each guide groove 21 differ depending on the diameter of the puncture needles 71 and 72 used, and are not particularly limited.
- each guide groove 21 is not particularly limited. However, in order to guide the puncture needles 7 1 and 7 2 reliably and to make it easier to handle, the center guide groove 2 is used.
- the length of 10 is preferably set to about 3 cm to 6 cm.
- each guide groove 21 is an inverted triangular shape for ease of manufacture and the like, but is not particularly limited to this. However, if the cross section of each guide groove 21 is arc-shaped, the puncture needles 7 1 and 7 2 will enter deeply into the groove, and the pressure on the puncture needles 7 1 and 7 2 will be weak.
- the cross section is preferably polygonal.
- a plurality of wall surfaces may be protruded on the puncture guide frame 2 to provide the guide recess of the present invention.
- a plurality of wall surfaces are protruded in place of the guide grooves 21, and the puncture needles 7 1, 7 2 are inserted along the ⁇ portion between the adjacent wall surfaces as the guide recesses of the present invention. It is good also as a structure which performs.
- the scale 22 may be configured to display the scale 22 on the anti-shake plate 23 by force printing or the like, which is engraved on the main body 25 of the frame 2 with a puncture guide. Also, guide groove 2 1 on anti-shake plate 2 3 (frame with puncture guide 2 (The side facing the main body 25) may be engraved.
- the anti-shake plate 23 is configured to be pressed against the main body 25 of the puncture guide frame 2 by a coil spring 24 as a pressing member, but the pressing member is not limited to the coil spring 24 3, Another elastic member such as a leaf spring may be used.
- the above-mentioned device 1 ⁇ 100 has a configuration in which the recesses 3 2 ⁇ 4 2 of the fixed frames 3 ⁇ 4 are fitted into the main body 25 of the puncture guide-equipped frame 2 and are slid.
- the fixed frames 3 and 4 may be slid depending on the configuration (for example, the combination of a gear and a rack).
- the fixed frames 3 and 4 can be displaced in the longitudinal direction of the puncture guide-equipped frame 2 and can be fixed at a desired position on the puncture guide-equipped frame 2 without a particular sliding configuration. Good.
- auxiliary fixing tool 5 is configured to be attached to the right fixing frame 3
- the auxiliary fixing tool 5 may be configured to be attached to the left fixing frame 4, or may be provided on both the left and right sides.
- the fixed needles 3 1 and 4 1 were used as fixing members for fixing the device 1 1 100 to the patient's head, but the end of the fixed frame 3 4 was attached to the patient using an adhesive or a suction cup. It may be configured to be fixed to the head. In this case, if the end portions of the fixed frames 3 and 4 and the portion fixed to the patient's head by an adhesive or the like are connected by a shaft, the entire device 1/100 is punctured around the shaft. It is possible to rotate to the site.
- the material of the present device 1 ⁇ 100 is not particularly limited either, and metals or plastics other than stainless steel (titanium (alloy)) may be used as the material, and a material suitable for sterilization is preferable. Also for the blur prevention plate 23, a material other than acrylic resin / polycarbonate may be used.
- each member may be changed to a suitable shape, size, length, etc., respectively.
- the shape and size of the fixed needles 3 1 and 4 1 and the auxiliary fixed needle 5 1 may be arbitrarily changed to a suitable shape and size.
- the shaft length of the screw portion 5 1 1 of the fixed needle 5 1 may be changed to a suitable length.
- a configuration may be adopted in which the tip 51 a of the auxiliary fixing needle 51 does not rotate in conjunction with the rotation of the shaft of the screw portion 511. With such a configuration, the tip 51 a of the auxiliary fixed needle 51 may be wrapped with a cloth or the like when the device 1 100 is fixed at three points by the auxiliary fixed needle 51. Can be prevented.
- the marking band 6 has a configuration in which two mark sticks 67 are provided on each of two bands 6 1 and 6 2, that is, a total of 12 mark sticks 6 7. Is not limited to this. If the number of the mark sticks 67 is small, an appropriate plot 8 cannot be selected when selecting the left and right plots 8 in the procedure A_8, and there is a possibility that the CT must be retaken. On the other hand, if the number of the mark sticks 67 is large, there is a high possibility that a mistake will be made when marking the position of the mark stick 67 corresponding to the plot 8 selected in the step A-9.
- the number of 67 is preferably about 3 to 8 on each side, and more preferably about 4 to 7.
- the mark stick 67 which is a mark member, is made of an aluminum alloy.
- the aluminum content of this aluminum alloy is 99.777%, and titanium, iron, and silicon are included in the component.
- the aluminum content ratio is not particularly limited. However, in order to provide the mark stick 67 with such flexibility that the mark stick 67 can be arranged along the surface of the head, it is preferable that the mark stick 67 has a high content ratio of aluminum (for example, 70% or more).
- the metal sticks (which may be metal wires) that make up the mark stick 67 are not limited to aluminum alloys, but have low X-ray transparency, such as aluminum, stainless steel, brass, copper, and nichrome. Any metal or an alloy thereof may be used as long as the metal has a small artifact at the time. In addition, if the material has low X-ray transmittance and low artifact when photographed by CT, etc. Materials may be used, for example, the use of animal bones or processed teeth (ivory, human bones, fish bones, etc.).
- the mark stick 67 may include a material other than the above.
- the mark stick 67 may have a configuration in which a metal rod (or a metal wire) made of any of the above metals is covered with an insulating material. .
- the length of the mark stick 67 was about 5 cm, and the interval between the mark sticks 67 was about 2 cm, but is not particularly limited to this.
- the mark stick 67 is formed in a thin rod shape, but if it is too thin, it becomes difficult to insert it into the band body 65.
- the metal rod is formed thick, artifacts are likely to occur, so the cross-sectional diameter of the mark stick 67 is preferably about lmm to 2 mm.
- the material and thickness of the mark stick 67 should be elastic enough that the shape almost adheres to the surface of the head when pressed against the patient's head, and should not be too soft. It is preferable to use a material and thickness that are low in susceptibility and do not easily cause artifacts during CT imaging.
- the two bands 6 1 and 6 2 that make up the marking band 6 were connected by cloth tape 6 3 and 6 4 .However, the present invention is not limited to this, and two bands are formed by using other means such as paper tape. 6 1 ⁇ 6 2 may be connected.
- the material of the two bands 61.62 is not particularly limited, but if the material has elasticity in the longitudinal direction, the mark stick 67 may be displaced and accurate marking may not be performed. Therefore, a material having low elasticity in the longitudinal direction is preferable. Further, a material having flexibility so that it can be wound around a patient's head is preferable. '
- the simple configuration makes it easy to assemble the device 1, which shortens the operation time and reduces surgical invasion.
- the device 1 can be easily attached and detached, so that quick response is possible.
- the guide groove 21 on the puncture guide frame 2 guides the tips 7 1a and 7 2a of the puncture needles 7 1 and 7 2 to the lesion site in the brain.
- Other members such as are unnecessary.
- the operation is easy and the operability is excellent.
- a curved member such as an arc-shaped frame is not required, disinfection is easy and sanitary, and it can be manufactured more simply and at a lower cost.
- the puncture needles 7 1, 7 are attached to the body of the puncture guide frame 2 and the anti-shake plate 23. And can reliably prevent blurring. Therefore, it has a highly safe device configuration that minimizes tissue destruction and prevents rebleeding.
- a tract path is first provided by reaching the hematoma cavity with a thin puncture needle 71.
- the auxiliary fixing device 5 has a simple structure, but can easily adjust the angle ⁇ and the distance E, so that the fixing position of the auxiliary fixing needle 51 to the patient's head can be freely selected within the adjustment range. I'm familiar. In other words, the range that can be fixed by the auxiliary fixed needle 51 is wide, and accordingly, a safer fixing position can be selected.
- the main members are formed in a substantially straight line, so that they can be manufactured inexpensively, and sterilization can be performed reliably and sanitary.
- the present invention provides a simple stereotactic brain surgery device used for surgery for brain diseases such as hypertensive cerebral hemorrhage, brain tumor, brain abscess, hydrocephalus, and cerebral cyst, and a mounting site of the device on a patient's head. It is related to the band used for the determination of cerebral hematoma, cerebral hemorrhage, aspiration of cerebrospinal fluid, injection of antibiotics, hematoma dissolution by peroxidase, washing with saline, etc. Can be used for brain surgery.
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003261733A AU2003261733A1 (en) | 2002-09-06 | 2003-08-26 | Simplified stereotaxic brain surgery device, and band used for determining position at which such device is mounted on patient head |
JP2004534109A JP4168282B2 (ja) | 2002-09-06 | 2003-08-26 | 簡易型定位脳手術装置、および患者頭部への当該装置の装着部位の決定に使用されるバンド |
US10/526,805 US20060009787A1 (en) | 2002-09-06 | 2003-08-26 | Simplified stereotaxtic brain surgery device, and band used for determining position at which such device is mounted on patient head |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002262054 | 2002-09-06 | ||
JP2002/262054 | 2002-09-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004021911A1 true WO2004021911A1 (ja) | 2004-03-18 |
Family
ID=31973147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/010804 WO2004021911A1 (ja) | 2002-09-06 | 2003-08-26 | 簡易型定位脳手術装置、および患者頭部への当該装置の装着部位の決定に使用されるバンド |
Country Status (4)
Country | Link |
---|---|
US (1) | US20060009787A1 (ja) |
JP (1) | JP4168282B2 (ja) |
AU (1) | AU2003261733A1 (ja) |
WO (1) | WO2004021911A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011522607A (ja) * | 2008-06-05 | 2011-08-04 | ディンクラー・サージカル・デヴァイシズ,インコーポレーテッド | 頭部固定装置 |
US20200222143A1 (en) * | 2019-01-10 | 2020-07-16 | Pro Med Instruments Gmbh | Rocker arm assembly for head fixation device |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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AU2007311398A1 (en) | 2006-03-07 | 2008-04-24 | Hirdesh Sahni | An image guided whole body stereotactic needle placement device |
GB0908787D0 (en) | 2009-05-21 | 2009-07-01 | Renishaw Plc | Head clamp for imaging and neurosurgery |
CN103860273B (zh) * | 2014-01-14 | 2016-03-23 | 涂勇 | 颅脑穿刺手术定向支架 |
CN106308896A (zh) * | 2016-10-28 | 2017-01-11 | 崔建忠 | 一种脑内血肿穿刺导向仪 |
CN108670434B (zh) * | 2018-06-21 | 2024-04-23 | 冯清亮 | 颅内手术定位装置 |
CN111467029B (zh) * | 2020-04-16 | 2022-12-09 | 温州医科大学附属第一医院 | 一种眶上孔穿刺固定架及穿刺方法 |
CN114305609B (zh) * | 2021-12-27 | 2023-07-25 | 武汉联影智融医疗科技有限公司 | 一种半开放引导穿刺工具以及半开放穿刺系统 |
CN116725640B (zh) * | 2023-06-20 | 2024-02-27 | 山东卓业医疗科技有限公司 | 一种身体穿刺打印模板的构建方法 |
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EP0160238A2 (en) * | 1984-05-04 | 1985-11-06 | Gary Mark Onik | Apparatus for stereotaxic placement of probes inthe body utilizing CT scanner localization |
JPS6350308U (ja) * | 1986-09-22 | 1988-04-05 | ||
WO1990000372A1 (en) * | 1988-07-13 | 1990-01-25 | Bernt Nymark | Biopsy arc means and the use of the same |
JPH0310970Y2 (ja) * | 1987-07-21 | 1991-03-18 | ||
JPH07313525A (ja) * | 1994-05-27 | 1995-12-05 | Akira Takaku | 定位脳手術用頭部固定装置 |
DE4442609C1 (de) * | 1994-11-30 | 1996-08-08 | Siemens Ag | Stereotaktische Zusatzeinrichtung zur schnittbildgeführten Durchführung einer Biopsie |
JPH11137568A (ja) * | 1997-11-10 | 1999-05-25 | Shigeru Munemoto | 全方位簡便型定位脳手術装置 |
JPH11197155A (ja) * | 1998-01-14 | 1999-07-27 | Aloka Co Ltd | 超音波穿刺プローブ |
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US5242455A (en) * | 1991-05-03 | 1993-09-07 | University Of Pittsburgh | Imaging fixation and localization system |
US7747312B2 (en) * | 2000-01-04 | 2010-06-29 | George Mason Intellectual Properties, Inc. | System and method for automatic shape registration and instrument tracking |
-
2003
- 2003-08-26 US US10/526,805 patent/US20060009787A1/en not_active Abandoned
- 2003-08-26 AU AU2003261733A patent/AU2003261733A1/en not_active Abandoned
- 2003-08-26 WO PCT/JP2003/010804 patent/WO2004021911A1/ja active Application Filing
- 2003-08-26 JP JP2004534109A patent/JP4168282B2/ja not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0160238A2 (en) * | 1984-05-04 | 1985-11-06 | Gary Mark Onik | Apparatus for stereotaxic placement of probes inthe body utilizing CT scanner localization |
JPS6350308U (ja) * | 1986-09-22 | 1988-04-05 | ||
JPH0310970Y2 (ja) * | 1987-07-21 | 1991-03-18 | ||
WO1990000372A1 (en) * | 1988-07-13 | 1990-01-25 | Bernt Nymark | Biopsy arc means and the use of the same |
JPH07313525A (ja) * | 1994-05-27 | 1995-12-05 | Akira Takaku | 定位脳手術用頭部固定装置 |
DE4442609C1 (de) * | 1994-11-30 | 1996-08-08 | Siemens Ag | Stereotaktische Zusatzeinrichtung zur schnittbildgeführten Durchführung einer Biopsie |
JPH11137568A (ja) * | 1997-11-10 | 1999-05-25 | Shigeru Munemoto | 全方位簡便型定位脳手術装置 |
JPH11197155A (ja) * | 1998-01-14 | 1999-07-27 | Aloka Co Ltd | 超音波穿刺プローブ |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2011522607A (ja) * | 2008-06-05 | 2011-08-04 | ディンクラー・サージカル・デヴァイシズ,インコーポレーテッド | 頭部固定装置 |
US20200222143A1 (en) * | 2019-01-10 | 2020-07-16 | Pro Med Instruments Gmbh | Rocker arm assembly for head fixation device |
Also Published As
Publication number | Publication date |
---|---|
JP4168282B2 (ja) | 2008-10-22 |
US20060009787A1 (en) | 2006-01-12 |
JPWO2004021911A1 (ja) | 2005-12-22 |
AU2003261733A1 (en) | 2004-03-29 |
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