CN100394899C - Laser beam guide device for puncture - Google Patents
Laser beam guide device for puncture Download PDFInfo
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- CN100394899C CN100394899C CNB02156759XA CN02156759A CN100394899C CN 100394899 C CN100394899 C CN 100394899C CN B02156759X A CNB02156759X A CN B02156759XA CN 02156759 A CN02156759 A CN 02156759A CN 100394899 C CN100394899 C CN 100394899C
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- laser beam
- installing plate
- puncture
- substrate
- guiding device
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Abstract
The present invention discloses a laser beam guide device for the puncture, which comprises a basal plate and an indication component, wherein the front of the basal plate is provided with a rotary angle graduated disk; the center of the rotary angle graduated disk is provided with a laser beam emitter which can rotate around the center of the rotary angle graduated disk in a plane parallel to the basal plate; the rotary angle graduated disk and the laser beam emitter can also be an integrated structure to rotate around the center, and moreover, laser beams of the laser beam emitter are parallel to the basal plate; the upper end of the indication component which is downward vertically is suspended at the central position of the rotary angle graduated disk. The device has the characteristic of simple structure, and the rotary base line of the laser beam emitter is determined by the indication component. The three-dimensional parameters of the needle insertion surface determined by a CT scanner can be determined, and consequently, the whole puncture process is controlled in the guide of the laser beams so as to realize the accurate needle insertion.
Description
Technical field
The present invention relates to a kind of puncture laser beam guiding device, belong to technical field of medical instruments.
Background technology
When inside of human body generation pathological changes, need to utilize puncture needle that focus is carried out biopsy or treatment sometimes.After at present normally determining the degree of depth of the orientation of focus and skin anchor point and probe, that is, when CT detects, at first measure the position of focus, or inclination CT instrument detects best inserting needle aspect from the cross section of human body by means of CT.In this inserting needle aspect, determine best inserting needle position and needle angle, utilize the exact position of the three-dimensional conformation decision needle point of inserting needle aspect and needle angle and depth of needle.Though CT scanner can be determined three-dimensional needle angle and depth of needle exactly, when patient leaves CT scanner, the doctor can only be according to the judgement of oneself, determine a roughly inserting needle direction, puncture then and carry out biopsy or treatment, because artificial factor is more, thereby cause inserting needle inaccurate, sometimes need again repeatedly inserting needle, can cause mistake to be worn when serious, bring great misery and risk to the patient.Therefore, the insider develops some and is used to the positioning means for positioning that punctures, for example:
China utility model patent CN2211253Y discloses a kind of intracranial lesion cranium outside fix chi, and it comprises a perpendicular board foot of putting with vertical chute, and two horizontal board foots with vertical chute are put in the chute of board foot in perpendicular by bolting; Article 3, the end board foot that has a right angle bent-up end is individually fixed in the two ends of perpendicular top of putting half chi, top horizontal board foot.It mainly is to measure lesion locations by CT scanner, again according to positioning rule, regulate each chi plate, head positions such as itself and frame tramline, scalp are adjacent to, measure lesion locations according to CT scanner again and be adjusted in position and the size that finds the relevant position to be marked on the plate anyhow to determine out cranium on the scalp.This device is only applicable to craniopathia set position, and in addition, it remains determines out the cranium position artificially, and positioning accuracy is not high, can't determine direction.
China utility model patent CN2114422U discloses a kind of high precision Stereotaxic, the three-dimensional coordinate that utilizes CT scanner to measure, focus point is taken on the CT sheet, again by the slotting position of position finder to focus point, select the operation entrance by the position of the slide block on the segmental support, the guiding segmental support can be along the left front back elevating movement of positioning framework, and the slide block on the guiding segmental support can be made move left and right along the guiding segmental support, realizes the location.Its complex structure can't be realized automatic positioning function.
CN1353969A discloses a kind of CT guide puncture position finder, constitute by the tabular clamping device of inverted U-shaped, angle measurer and base, angle measurer comprises a protractor and metal finger, base is an arc hardboard, and the tabular clamping device of U-shaped is bonded on the base by the square plate at its both ends.Angle by the adjusting pointer is consistent with the inserting needle direction, regulates pointer simultaneously and moves in the chute of the tabular clamping device of U-shaped, and one regulates the pointed entry point.Because of the tabular clamping device of U-shaped perpendicular to the base setting, pointer can only move in the vertical plane at the tabular clamping device place of U-shaped, so this position finder only can be realized the location of both direction, can't realize three-dimensional localization, simultaneously, this position finder must be after carrying out the CT detection, determined the orientation of focus, leave CT scanner then, adopting this device, will certainly produce error like this, also have a lot of anthropic factors simultaneously again according to the testing result location of CT.Although the pointer indicated direction is correct,, the doctor is consistent with the pointer indicated direction in the direction that also is difficult to control inserting needle in the process of focus point inserting needle.Bring great inconvenience therefore still can for the enforcement of treatment.
To sum up, above-mentioned positioner all is the results that detect by CT, leaves the CT instrument, determines focus point and inserting needle position; Adopt these devices can't reproduce its three-dimensional needle angle and depth of needle, it still has the not high and baroque problem of positioning accuracy.And in use, the doctor only can lean on pointer location pointed and direction, in the inserting needle process, relies on the direction of vision control inserting needle.Because of artificial factor causes inserting needle inaccurate, need again repeatedly inserting needle sometimes, can cause mistake to be worn when serious, bring great misery and risk to the patient.
The content of invention
The objective of the invention is to: inaccurate, the inconvenient operation of positioning accuracy that solves existing C T guide puncture position finder, can't guide inserting needle direction and guiding device to need the problem of sterilization, thus provide a kind of simple in structure, easy to operate, need not sterilization, can accurately reproduce three-dimensional inserting needle position, angle and the degree of depth of CT scanner and can guide the puncture laser beam guiding device of inserting needle process.
The technical solution adopted in the present invention is: a kind of puncture laser beam guiding device, it comprises a substrate, be provided with the corner index dial in the front of described substrate, the center of corner index dial is provided with can be around its center, be parallel to the laser beam transmitter that rotates in the plane of substrate, and the laser beam of described laser beam transmitter is parallel to substrate; One can be all the time vertically downward the upper end of indicating device be suspended to the center of corner index dial.Further, be provided with an installing plate at the back side of described substrate, described substrate is hinged with installing plate by the horizontal rotating shaft that is parallel to described installing plate on the installing plate.On the side panel of described substrate, can further be provided with an angle indicating device, this angle indicating device comprise side corner index dial and one can be all the time vertically downward side indicating device, the upper end of this side indicating device is suspended to the center of corner index dial.
Described indicating device and side indicating device are weight, perhaps are the pointer of vertical directed towards ground.
The back side of described installing plate is provided with an installing component that is installed on the CT scanner front surface.
Described installing component is a kind of in following: the magnetics that is located at the installing plate back side; Perhaps attach most importance to copy/paste in the adhered layer on CT surface; Perhaps this installing component comprises a slide rail, and described installing plate has the chute that cooperates with described slide rail, and the two ends of described slide rail are fixedly installed in the surface of CT scanner.
This puncture further is provided with one with the laser beam guiding device suspension bracket or a gantry support is installed, and this installation hanger beam is a suspension bracket slide rail; The top of described gantry support is provided with a frame sliding track; The back side of installing plate has the chute that cooperates with a described suspension bracket slide rail or a frame sliding track.
On described substrate, further be provided with one and be used to drive the driving device one that described laser beam transmitter rotates.Described driving device one comprises a control motor and the drive mechanism that connects the rotating shaft of control motor output shaft and laser generator.
On described installing plate, further being provided with a driving device two that is used to drive described substrate rotating. described driving device two comprises a control motor and the drive mechanism that connects control motor output shaft and substrate.
Be provided with one in an enterprising step of described slide rail, suspension bracket slide rail or a frame sliding track and be used to drive the driving device three that described installing plate moves along slide rail, suspension bracket slide rail or a frame sliding track; Described driving device three comprises a control motor and the drive mechanism that connects control motor output shaft and substrate or installing plate.
Owing to adopt technique scheme, this device is fixed in the surface of CT scanner, turn to the inserting needle plane with CT instrument shell, by rotate laser beam transmitter to this plane needle angle and point to entry point, by the indication of laser beam to inserting needle position and needle angle, the doctor can determine the inserting needle position according to the location of laser beam, simultaneously in the process of inserting needle, can make the afterbody of laser beam irradiation all the time at pin, guide whole inserting needle process, inaccurate to prevent inserting needle, the error of avoiding anthropic factor to cause, this device has characteristic of simple structure simultaneously, only need one can be all the time vertically downward indicating device promptly can determine the rotation benchmark of the laser beam transmitter of this guiding device, be the angle of inclination of CT scanner by means of the determined inserting needle face of CT scanner, do not need to determine once more this parameter of inserting needle face angle with respect to the horizontal plane.
Further be provided with an installing plate in addition at the back side of the substrate of this device, and substrate can rotate at a horizontal rotating shaft that is parallel to installing plate with respect to installing plate, further set up angle indicating device in the side of substrate, promptly can realize, this device leaves CT scanner or CT scanner determine the angle of inserting needle plane and level or vertical after, still can determine the angle of inserting needle face and level or vertical by rotational substrate.
Easy to use for existing C T scanner, this device further is provided with the installing component that is connected with CT scanner at the back side of installing plate.
Laser beam transmitter of the present invention can adopt pen type laser generator of the prior art or other, and laser generator and substrate can adopt manually or adopt electronic mode to drive.
Description of drawings
Figure 1A is located at user mode figure on the CT scanner for the puncture of the embodiment of the invention one with the laser beam guiding device;
Figure 1B is the structural representation that the laser beam guiding device is used in the puncture among Figure 1A;
Fig. 2 is the structural representation of the puncture of the embodiment of the invention two with the laser beam guiding device;
Fig. 2 A punctures with the structural representation that suspension bracket, angle indicating device are installed that removes of laser beam guiding device embodiment two for the present invention;
Fig. 2 B is that the A of Fig. 2 A is to view;
Fig. 3 is the structure chart of puncture of the present invention with the installation suspension bracket of laser beam guiding device;
Fig. 4 is the structure chart of puncture of the present invention with the gantry support of laser beam guiding device;
Fig. 5 is installed on sketch map on the CT scanner for puncture embodiment three with the laser beam guiding device of the present invention;
Fig. 5 A is the front view of puncture of the present invention with the embodiment three of laser beam guiding device;
Fig. 5 B is the B-B cut-away view of Fig. 5 A.
Wherein: substrate 1 center 11 horizontal rotating shafts, 12 side panels 13
Locknut 15 installing components 7 magneticss 71 slide rails 73
Chute 74 is installed suspension bracket 8 gantry supports 9 suspension bracket slide rails 75
Driving device 1 ' control motor 51 ' drive mechanism 52 '
Driving device 25 control motors 51 drive mechanisms 52
Driving device 35 "
The specific embodiment
Referring to Figure 1A, showed a CT scanner 200 among the figure, and puncture laser beam guiding device 100 on the CT scanner has been set.For clearly demonstrate puncture of the present invention with the structure of laser beam guiding device with and beneficial effect, at first set the three-dimensional coordinate direction: the direction that moves horizontally of the sick bed of CT scanner 200 is an X-axis, in the horizontal plane of X-axis place is Y-axis perpendicular to X-direction, is the Z axle perpendicular to the direction of XOY face.
Referring to Figure 1B, showed a kind of puncture laser beam guiding device among the figure, it comprises a substrate 1, be provided with corner index dial 4 in the front of described substrate 1, corner index dial 4 can be one or set up in substrate 1 front with substrate 1, there is a rotating shaft 14 at the center 11 of corner index dial 4, laser beam transmitter 3 14 center 11 around the shaft rotates in the plane that is parallel to substrate 1, corner index dial 4 and laser beam transmitter 3 also can be one around its center 11 rotational structures, and the laser beam of described laser beam transmitter 3 is parallel to substrate 1; One can be all the time vertically downward the upper end of indicating device 6 be suspended to 11 positions, center of corner index dial 4, in the present embodiment, this indicating device 6 is a pointer, is installed on the CT scanner for the ease of making this device, is provided with 4 blocks of Magnet (magnetics) 71 at the back side of substrate 1.The effect of pointer is to make the angle of laser beam transmitter 3 can adjust to 0, and is promptly consistent with Z-direction, as the benchmark of its anglec of rotation.
In use, this device is placed in the front surface of CT scanner, at first detect the three-dimensional coordinate position of focus point by CT scanner, also tiltable CT instrument is determined the inserting needle fault plane, it is the inclined fault face at the line place between entry point and the focus point, this fault plane is perpendicular to the XOZ face, promptly in the XOZ face, be projected as a straight line, along the parallel removing patient of X-direction, the goniometer that mobile distance can be tilted according to the air line distance and the scanning aspect of laser beam transmitter 3 range sweep aspects is calculated.The interior needle angle of the angle of rotating laser beam transmitter 3 and the scanning aspect of inclination is identical, adjust puncture and just in time point to entry point with the laser beam that the position of laser beam guiding device makes it laser instrument, inserting needle under the guide of laser beam, make laser beam be radiated at the afterbody of pin all the time, in the right direction to guarantee inserting needle.This shows that the present invention is simple in structure, precision is high, and is easy to operate.
Embodiment two, referring to Fig. 2,2A, 2B, the puncture laser beam guiding device of having showed present embodiment among the figure, it comprises: a substrate 1, be provided with an installing plate 2 at the back side of described substrate 1, and hinged with installing plate 2, horizontal rotating shaft 12 is parallel to Y direction to described substrate 1 by the horizontal rotating shaft 12 that is parallel to described installing plate 2 on the installing plate 2, and the two ends of horizontal rotating shaft 12 are locked by locknut 15; Be provided with corner index dial 4 in the front of described substrate 1, the center 11 of corner index dial 4 is provided with a rotating shaft 14, laser beam transmitter 3 is located on the substrate 1 by rotating shaft 14, corner index dial 4 and laser beam transmitter 3 also can be one around its center 11 rotational structures, and the laser beam of described laser beam transmitter 3 is parallel to substrate 1; One indicating device 6: the upper end of weight is suspended in the rotating shaft 14 of corner index dial 4, and weight can be all the time vertically downward.
Referring to Fig. 2 B, on the side panel 13 of described substrate 1, further be provided with an angle indicating device 50, this angle indicating device 50 is used to indicate the angle of substrate 1 with respect to YOZ or XOY plane rotation, promptly determines the inserting needle aspect.This angle indicating device 50 comprise side corner index dial 501 and side indicating device 6 ': the upper end of weight is suspended to the center of corner index dial 501.Adjust substrate 1 before using earlier and be 0 perpendicular to horizontal plane, the weight indication is at 0 of corner index dial 501, and rotational substrate 1, weight promptly can indicate the angle that substrate 1 rotates.
Referring to Fig. 2 and Fig. 3, this device further has one suspension bracket 8 is installed, and the crossbeam that suspension bracket 8 is installed is a suspension bracket slide rail 75, and the back side of installing plate 2 has chute 74, and installing plate 2 can be slided along suspension bracket track 75.
During use, at first detect the three-dimensional coordinate position of focus, the CT scanner that perhaps tilts is determined the inserting needle aspect, and the inclination section at the line place between entry point and the focus point, this section is perpendicular to the XOZ face, promptly be projected as a straight line in the XOZ face, along the parallel removing patient of X-direction, mobile distance can be calculated apart from the vertical dimension of cutting plane and the goniometer that cutting plane tilted according to laser generator 3.Rotary plate 1, make substrate 1 parallel with the inserting needle aspect, also fixing by locknut 5, the interior needle angle of the angle of rotating laser beam transmitter 3 and the inserting needle aspect of inclination is identical, the position of mobile installing plate 2 makes the laser beam of laser beam transmitter 3 just in time point to entry point, inserting needle under the guide of laser beam, make laser be radiated at the afterbody of pin all the time, in the right direction to guarantee inserting needle.
What should give explanation is, the installation suspension bracket 8 of present embodiment may instead be gantry support 9, as shown in Figure 4, gantry support 9 can be character, its crossbeam is wire-like supports slide rail 76 always, perhaps gantry support 9 is an arch, constitutes an arcual track, this kind structure can mobile easily laser beam transmitter to desired location.When adopting this mounting structure, can determine the inserting needle aspect by rotational substrate 1 when promptly leaving CT and being provided with.
Embodiment three, referring to Fig. 5,5A, 5B, be with a last embodiment difference: the puncture of showing among the figure of the present invention is electronic with the substrate 1 and the laser beam transmitter 3 of laser beam guiding device, that is, on described substrate 1, be provided with one and be used to drive the driving device 1 that described laser beam transmitter 3 rotates '.Described driving device 1 ' comprise a control motor 51 ' and connect the drive mechanism 52 ' of controlling motor 51 ' output shaft and laser beam transmitter 3.Be provided with one and be used to drive rotating shaft 12 and drive the driving device 25 that described substrate 1 rotates on described installing plate 2, described driving device 25 comprises a control motor 51 and the drive mechanism 52 that connects control motor 51 output shafts and rotating shaft 12.Wherein, described drive mechanism 52,52 ' can be band transmission synchronously, gear drive etc., control motor 51,51 ' can adopt servomotor, motor and selsyn any.
Referring to Fig. 5 and 5B, and, also be with a last embodiment difference: this device is mounted on the CT scanner 200, be provided with an installing component 7 that is installed on the CT scanner front surface at the back side of described installing plate 2, described installing component 7 comprises a slide rail 73, described installing plate 2 has the chute 74 that cooperates with described slide rail 73, and securing member can be passed through in the two ends of described slide rail 73, and for example: screw is fixed on the front surface of CT scanner 200.
Referring to Fig. 5, further, on described slide rail 73, further be provided with one and be used to drive the driving device 35 that described installing plate 2 moves along slide rail "; Described driving device 35 " comprise one control motor, can adopt servomotor, motor and selsyn any; And the drive mechanism that connects control motor output shaft and installing plate, this drive mechanism can be rack and pinion drive mechanism or screw-and-nut mechanism etc.
Claims (11)
1. puncture laser beam guiding device, it is characterized in that: it comprises a substrate (1), be provided with corner index dial (4) in the front of described substrate (1), the center (11) of corner index dial (4) is provided with around its center, is being parallel to the laser beam transmitter (3) that rotates in the plane of substrate (1), and the laser beam of described laser beam transmitter (3) is parallel to substrate (1); One all the time vertically downward the upper end of indicating device (6) be suspended to the position, center (11) of corner index dial (4); Be provided with an installing plate (2) at the back side of described substrate (1), described substrate (1) is hinged with installing plate (2) by the horizontal rotating shaft (12) that is parallel to described installing plate (2) on the installing plate (2); On the side panel (13) of described substrate (1), further be provided with an angle indicating device (50), this angle indicating device (50) comprises side corner index dial (501) and one vertically downward side indicating device (6 ') all the time, and the upper end of this side indicating device (6 ') is suspended to the center of side corner index dial (501).
2. puncture laser beam guiding device according to claim 1 is characterized in that: described indicating device (6) and side indicating device (6 ') are weight, perhaps are the pointer of vertical directed towards ground.
3. puncture laser beam guiding device according to claim 1 is characterized in that: the back side of described installing plate (2) is provided with an installing component (7) that is installed on the CT scanner front surface.
4. puncture laser beam guiding device according to claim 3 is characterized in that: a kind of in following of described installing component (7):
Be located at the magnetics (71) at installing plate (2) back side; Perhaps
Attach most importance to copy/paste in the adhered layer of CT scanner front surface; Perhaps
This installing component (7) comprises a slide rail (73), and described installing plate (2) has the chute (74) that cooperates with described slide rail (73), and the two ends of described slide rail (73) are fixedly installed in the CT scanner front surface.
5. puncture laser beam guiding device according to claim 1 is characterized in that: this puncture further is provided with one with the laser beam guiding device suspension bracket (8) or a gantry support (9) is installed, and this installation suspension bracket (8) crossbeam is a suspension bracket slide rail (75); The top of described gantry support (9) is provided with a frame sliding track (76); The back side of installing plate (2) has the chute (74) that cooperates with a described suspension bracket slide rail (75) or a frame sliding track (76).
6. puncture laser beam guiding device according to claim 1 is characterized in that: further be provided with one and be used to drive the driving device one (5 ') that described laser beam transmitter (3) rotates on described substrate (1).
7. puncture laser beam guiding device according to claim 6 is characterized in that: described driving device one (5 ') comprises a control motor (51 ') and the drive mechanism (52 ') that connects the rotating shaft (14) of control motor (51 ') output shaft and laser beam transmitter (3).
8. puncture laser beam guiding device according to claim 1 is characterized in that:
On described installing plate (2), further be provided with one and be used to drive the driving device two (5) that described substrate (1) rotates.
9. puncture laser beam guiding device according to claim 8 is characterized in that: described driving device two (5) comprises a control motor (51) and the drive mechanism (52) that connects control motor (51) output shaft and substrate (1).
10. puncture laser beam guiding device according to claim 4 is characterized in that: further be provided with one and be used to drive the driving device three that described installing plate (2) moves along slide rail (5 ") on described slide rail (73); Described driving device three (5 ") comprise a control motor and connect the drive mechanism of controlling motor output shaft and installing plate (2).
11. puncture according to claim 5 laser beam guiding device is characterized in that: on a described suspension bracket slide rail (75) or a frame sliding track (76), further be provided with one and be used to drive described installing plate (2) along suspension bracket slide rail (75) or mobile driving device three (5 ") of a frame sliding track (76); (5 ") comprise a control motor and the drive mechanism that connects control motor output shaft and installing plate (2) to described driving device three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB02156759XA CN100394899C (en) | 2002-12-17 | 2002-12-17 | Laser beam guide device for puncture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB02156759XA CN100394899C (en) | 2002-12-17 | 2002-12-17 | Laser beam guide device for puncture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1507837A CN1507837A (en) | 2004-06-30 |
| CN100394899C true CN100394899C (en) | 2008-06-18 |
Family
ID=34236388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB02156759XA Expired - Fee Related CN100394899C (en) | 2002-12-17 | 2002-12-17 | Laser beam guide device for puncture |
Country Status (1)
| Country | Link |
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| CN (1) | CN100394899C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100518675C (en) * | 2006-01-23 | 2009-07-29 | 张惠玲 | Guiding puncture needling tool and puncture guiding method |
| CN102240216A (en) * | 2011-07-05 | 2011-11-16 | 张孔源 | Biopsy puncture needle with accurately mastered needle insertion angle and depth |
| US10433911B2 (en) * | 2013-09-18 | 2019-10-08 | iMIRGE Medical INC. | Optical targeting and visualization of trajectories |
| CN105476698B (en) * | 2015-11-30 | 2018-08-24 | 泰州市人民医院 | A kind of laser path tracker and its application |
| CN108635025B (en) * | 2018-07-24 | 2023-09-05 | 无锡市第二人民医院 | Laser puncture guiding system |
| CN108648592A (en) * | 2018-07-24 | 2018-10-12 | 锡山区东港晓鸣电子产品经营部 | A kind of manikin training operating method of laseropuncture guiding system |
| CN111358576A (en) * | 2020-03-23 | 2020-07-03 | 广州多得医疗设备服务有限公司 | Puncture locator for laparoscopic ultrasonic probe operation |
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| US4706665A (en) * | 1984-12-17 | 1987-11-17 | Gouda Kasim I | Frame for stereotactic surgery |
| US5102391A (en) * | 1990-02-13 | 1992-04-07 | Aubrey Palestrant | Guidance device for C. T. guided drainage and biopsy procedures |
| CN1198918A (en) * | 1997-03-13 | 1998-11-18 | 西门子公司 | Apparatus for marking guide path of instrument |
| US6044291A (en) * | 1997-05-02 | 2000-03-28 | Lap Gmbh | Targetting device for the straight-lined introduction of an instrument into a human body |
| CN1255050A (en) * | 1997-01-22 | 2000-05-31 | 明拉德股份有限公司 | Energy guided apparatus and method |
| US20020065462A1 (en) * | 2000-11-24 | 2002-05-30 | Knut Brabrand | Apparatus for light beam guided biopsy |
| CN1353969A (en) * | 2001-12-14 | 2002-06-19 | 王波 | CT guide puncture position finder |
| CN2525956Y (en) * | 2002-01-30 | 2002-12-18 | 冯威健 | Laser beam leading apparatus for puncture |
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2002
- 2002-12-17 CN CNB02156759XA patent/CN100394899C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4706665A (en) * | 1984-12-17 | 1987-11-17 | Gouda Kasim I | Frame for stereotactic surgery |
| US5102391A (en) * | 1990-02-13 | 1992-04-07 | Aubrey Palestrant | Guidance device for C. T. guided drainage and biopsy procedures |
| CN1255050A (en) * | 1997-01-22 | 2000-05-31 | 明拉德股份有限公司 | Energy guided apparatus and method |
| CN1198918A (en) * | 1997-03-13 | 1998-11-18 | 西门子公司 | Apparatus for marking guide path of instrument |
| US6044291A (en) * | 1997-05-02 | 2000-03-28 | Lap Gmbh | Targetting device for the straight-lined introduction of an instrument into a human body |
| US20020065462A1 (en) * | 2000-11-24 | 2002-05-30 | Knut Brabrand | Apparatus for light beam guided biopsy |
| CN1353969A (en) * | 2001-12-14 | 2002-06-19 | 王波 | CT guide puncture position finder |
| CN2525956Y (en) * | 2002-01-30 | 2002-12-18 | 冯威健 | Laser beam leading apparatus for puncture |
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| CN1507837A (en) | 2004-06-30 |
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