CN111419423A - Positioning device for guiding puncture in CT image puncture - Google Patents
Positioning device for guiding puncture in CT image puncture Download PDFInfo
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- CN111419423A CN111419423A CN202010209670.XA CN202010209670A CN111419423A CN 111419423 A CN111419423 A CN 111419423A CN 202010209670 A CN202010209670 A CN 202010209670A CN 111419423 A CN111419423 A CN 111419423A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/11—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis with guides for needles or instruments, e.g. arcuate slides or ball joints
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
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- Life Sciences & Earth Sciences (AREA)
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- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
The invention discloses a positioning device for guiding puncture in CT image puncture, which comprises a fixed frame and a positioning mechanism, wherein the fixed frame is provided with a plurality of fixing holes; the positioning mechanism is arranged on the fixed frame; the fixing frame is of a U-shaped structure, and a bottom plate of the fixing frame is in an arc shape; the positioning mechanism comprises a slide rail, a telescopic main rod, a telescopic auxiliary rod, a positioning rod, a puncture rod and a puncture sleeve; the slide rail is arranged on the fixed frame; the telescopic main rod is arranged on the slide rail; the telescopic auxiliary rod is arranged on the telescopic main rod, and an angle scale is arranged at the end of the telescopic auxiliary rod far away from the telescopic main rod; a connecting disc is arranged at one end of the positioning rod, a rotating rod is arranged in the center of the connecting disc, an identification needle is arranged at the end of the rotating rod, a rotating disc is arranged at the end of the positioning rod far away from the connecting disc, and the positioning rod is arranged on the angle disc; the puncture rod is arranged on the positioning rod; the puncture sleeve is a hollow cylinder, a connecting rod is arranged on the puncture sleeve, the connecting rod is rotatably connected with the rotating shaft, and a screwing bolt is arranged at the end head of the rotating shaft; can better cover the different puncture positions of patient, and can adjust puncture angle.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a positioning device for guiding puncture in CT image puncture.
Background
The CT guided puncture biopsy is a simple and convenient technology with small trauma, and is widely applied clinically at present, the puncture aims at blood drawing and testing, blood transfusion, fluid infusion, angiography by placing a catheter and the like, a biopsy sample can be provided for the confirmation of a focus, most doctors judge the position and angle of the puncture needle by experience, the subjectivity is strong, the puncture cannot be performed by scientific management, and if the puncture point and the puncture angle are not properly selected, repeated needle insertion is easy to cause, complications are easy to cause, and infection is caused; the locator that present hospital used only can simply fix a position the position of puncture, still relies on experience to the puncture angle to accomplish by the doctor, and the meaning of location guide effect is little when accurate puncture, and can not carry out omnidirectional location to the patient and cover, easily receives the restriction during the location.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a positioning device for guiding a puncture in CT imaging puncture, which can cover a patient at different puncture positions and can adjust a puncture angle.
In order to solve the above technical problems and achieve the above technical effects, the present invention is implemented by the following technical contents:
a positioning device for guiding puncture in CT image puncture comprises a fixing frame and a positioning mechanism; the positioning mechanism is arranged on the fixed frame; the fixing frame is of a U-shaped structure, a bottom plate of the fixing frame is arc-shaped, a clamping groove is formed in the fixing frame, a clamping plate is arranged in the clamping groove, an adjusting stud is arranged on a side plate of the fixing frame and is rotatably connected with the clamping plate, a sliding groove is formed in the bottom plate of the fixing frame, and a tension bolt in threaded connection with the bottom plate of the fixing frame is arranged above the sliding groove; the positioning mechanism comprises a slide rail, a telescopic main rod, a telescopic auxiliary rod, a positioning rod, a puncture rod and a puncture sleeve; the sliding rail is arranged in the sliding groove; the telescopic main rod is vertically arranged on the slide rail and is provided with an adjusting button; the telescopic auxiliary rod is vertically arranged on the telescopic main rod and is provided with an adjusting button, and an angle scale is arranged at the end of the telescopic auxiliary rod far away from the telescopic main rod; the end face of the angle scale is provided with angle scales, and the center of the angle scale is provided with a through hole; a connecting disc is arranged at one end of the positioning rod, a rotating rod is arranged in the center of the connecting disc, an identification needle is arranged at the end of the rotating rod, a rotating disc is arranged at the end of the positioning rod, which is far away from the connecting disc, angle scales are arranged on the outer wall of the rotating disc, the positioning rod is connected with a through hole through the rotating rod and is installed on the angle disc, and the identification needle is positioned on the end face of; a rotating disc is arranged at one end of the puncture rod, a marking line is arranged on the rotating disc, a U-shaped frame is arranged at one end of the puncture rod, which is far away from the rotating disc, a rotating shaft is arranged in the U-shaped frame, and the puncture rod is rotatably connected with the rotating disc through the rotating disc and is arranged on the positioning rod; the puncture sleeve is a hollow cylinder, a connecting rod is arranged on the puncture sleeve, the connecting rod is rotatably connected with the rotating shaft, and a screwing bolt is arranged at the end head of the rotating shaft; and clamping bolts are arranged at the bottom ends of the connecting disc and the rotating disc.
Furthermore, the clamping grooves are formed in the two side plates and the bottom plate of the fixing frame, clamping plates and adjusting studs in threaded connection with the fixing frame are arranged in the clamping grooves, and the adjusting studs are rotatably connected with the clamping plates.
Furthermore, the telescopic auxiliary rod is arranged perpendicular to the sliding rail.
Furthermore, the rotating rod end is provided with a nut, and the identification needle is installed on the nut.
Another object of the present invention is to provide a positioning device for guiding puncture in CT image puncture, which is applied to puncture positioning:
during the use, adjust this piercing depth position through the slide rail, through flexible mobile jib height-adjusting, flexible vice pole regulation length, the puncture point is fixed a position with the circumference mode to the locating lever, adjusts suitable angle through the angle scale, and the puncture angle is adjusted to locating lever, puncture cover, covers each position of patient under the cooperation of flexible mobile jib, flexible vice pole, locating lever, puncture pole, puncture cover, accomplishes the puncture.
The invention has the beneficial effects that:
1. can the omnidirectional cover the patient, select suitable puncture position, and occupation space is little, can not shelter from doctor's operation field of vision, makes things convenient for the doctor to advance shape puncture operation.
2. The puncture device is stably connected with the CT bed, so that the puncture device is prevented from shaking to cause the movement of a puncture point and cause puncture failure; and the connection with the CT bed is simple, the positioning mechanism can be detached when the patient who does not need to use the puncture is examined, and the detachment is convenient.
3. Different angles can be adjusted to adapt to different puncture parts, and the angle can be adjusted accurately according to the angle scales, so that the puncture point is more accurate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a positioning device for guiding puncture in CT image puncture according to the present invention;
FIG. 2 is a schematic view of a telescopic auxiliary rod of a positioning device for guiding puncture in CT image puncture according to the present invention;
FIG. 3 is a schematic view of a positioning rod of a positioning device for guiding a puncture in a CT image puncture according to the present invention;
FIG. 4 is a schematic structural view of a puncture rod of a positioning device for guiding puncture in CT image puncture according to the present invention;
FIG. 5 is a schematic view of a marker needle structure of a positioning device for guiding puncture in CT image puncture according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-fixed frame, 101-clamping plate, 102-adjusting stud, 103-loose bolt, 2-sliding rail, 3-telescopic main rod, 301-adjusting button, 4-telescopic auxiliary rod, 401-angle scale, 402-angle scale, 5-positioning rod, 501-connecting disk, 502-rotating rod, 503-marking needle, 504-rotating disk, 6-puncture rod, 601-rotating disk, 602-U-shaped frame, 603-rotating shaft, 604-marking line, 7-puncture sleeve, 701-connecting rod and 8-clamping bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a positioning device for guiding puncture in CT image puncture comprises a fixing frame 1 and a positioning mechanism; the positioning mechanism is arranged on the fixed frame 1; the fixing frame 1 is of a U-shaped structure, the bottom plate of the fixing frame 1 is arc-shaped, a clamping groove is formed in the fixing frame 1, a clamping plate 101 is arranged in the clamping groove, an adjusting stud 102 is arranged on a side plate of the fixing frame 1 and is rotatably connected with the clamping plate 101, a sliding groove is formed in the bottom plate of the fixing frame 1, and an elastic bolt 103 in threaded connection with the bottom plate of the fixing frame 1 is arranged above the sliding groove; the positioning mechanism comprises a slide rail 2, a telescopic main rod 3, a telescopic auxiliary rod 4, a positioning rod 5, a puncture rod 6 and a puncture sleeve 7; the sliding rail 2 is arranged in the sliding groove; the telescopic main rod 3 is vertically arranged on the slide rail 2, and an adjusting button 301 is arranged on the telescopic main rod 3; the telescopic auxiliary rod 4 is vertically arranged on the telescopic main rod 3, the adjusting button 301 is arranged on the telescopic auxiliary rod 4, and an angle scale 401 is arranged at the end of the telescopic auxiliary rod 4 far away from the telescopic main rod 3; the end face of the angle scale 401 is provided with angle scales 402, and the center of the angle scale 401 is provided with a through hole; a connecting disc 501 is arranged at one end of the positioning rod 5, a rotating rod 502 is arranged in the center of the connecting disc 501, a marking needle 503 is arranged at the end of the rotating rod 502, a rotating disc 504 is arranged at the end of the positioning rod 5 far away from the connecting disc 501, angle scales 402 are arranged on the outer wall of the rotating disc 504, the positioning rod 5 is connected with a through hole through the rotating rod 502 and is installed on an angle scale 401, and the marking needle 503 is positioned on the end face of the angle scale 401; a rotating disc 601 is arranged at one end of the puncture rod 6, an identification line 604 is arranged on the rotating disc 601, a U-shaped frame 602 is arranged at one end of the puncture rod 6 far away from the rotating disc 601, a rotating shaft 603 is arranged in the U-shaped frame 602, and the puncture rod 6 is rotatably connected with the rotating disc 504 through the rotating disc 601 and is installed on the positioning rod 5; the puncture sleeve is a hollow cylinder, a connecting rod is arranged on the puncture sleeve, the connecting rod is rotatably connected with the rotating shaft, and a screwing bolt is arranged at the end of the rotating shaft 603; and clamping bolts 8 are arranged at the bottom ends of the connecting disc and the rotating disc.
The clamping grooves are formed in two side plates and a bottom plate of the fixing frame 1, clamping plates 101 and adjusting studs 102 in threaded connection with the fixing frame 1 are arranged in the clamping grooves, and the adjusting studs 102 are rotatably connected with the clamping plates 101.
The telescopic auxiliary rod 4 is arranged perpendicular to the sliding rail 2.
The end of the rotating rod 502 is provided with a nut, and the marking needle 503 is installed on the nut.
For a more clear description of the invention, the following description is made with reference to specific embodiments:
examples
The invention is used as a positioning device for guiding puncture in CT image puncture, and has the following specific applications: when the puncture needle is used, the fixing frame is placed on a CT bed, the circular bottom end of the fixing frame is better connected with the CT bed, two side plates of the fixing frame are clamped with the CT bed, the adjusting stud is screwed to push the clamping plate to clamp the CT bed to complete fixation, the sliding rail is moved along the sliding groove to adjust the position of the positioning mechanism, the sliding rail is fixed by using the tightening bolt, the height of the telescopic main rod is adjusted and fixed by using the adjusting button, the length of the telescopic auxiliary rod is adjusted and fixed by using the adjusting button, the rotating positioning rod rotates along the angle disc and is fixed by using the clamping bolt, the rotating angle of the positioning rod is judged by observing the angle scale at which the identification needle points, the rotating angle of the puncture rod is adjusted by using the rotating disc, the rotating angle of the rotating disc; rotating the puncture sleeve to adjust the angle and fixing the puncture sleeve by using a screwing bolt; puncture is carried out after the puncture position is determined by the puncture sleeve.
The position range of the puncture is determined by adjusting the position of the slide rail, the height of the telescopic main rod and the length of the telescopic auxiliary rod; the puncture range taking the angle scale as the center is determined by adjusting the angle of the positioning rod relative to the angle scale, the puncture range perpendicular to the direction of a patient is determined by adjusting the angle of the puncture rod relative to the positioning rod, and the puncture range parallel to the direction of the patient is determined by adjusting the angle of the puncture sleeve relative to the puncture rod.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. A positioning device for guiding puncture in CT image puncture is characterized in that: comprises a fixed frame and a positioning mechanism; the positioning mechanism is arranged on the fixed frame; the fixing frame is of a U-shaped structure, a bottom plate of the fixing frame is arc-shaped, a clamping groove is formed in the fixing frame, a clamping plate is arranged in the clamping groove, an adjusting stud is arranged on a side plate of the fixing frame and is rotatably connected with the clamping plate, a sliding groove is formed in the bottom plate of the fixing frame, and a tension bolt in threaded connection with the bottom plate of the fixing frame is arranged above the sliding groove; the positioning mechanism comprises a slide rail, a telescopic main rod, a telescopic auxiliary rod, a positioning rod, a puncture rod and a puncture sleeve; the sliding rail is arranged in the sliding groove; the telescopic main rod is vertically arranged on the slide rail and is provided with an adjusting button; the telescopic auxiliary rod is vertically arranged on the telescopic main rod and is provided with an adjusting button, and an angle scale is arranged at the end of the telescopic auxiliary rod far away from the telescopic main rod; the end face of the angle scale is provided with angle scales, and the center of the angle scale is provided with a through hole; a connecting disc is arranged at one end of the positioning rod, a rotating rod is arranged in the center of the connecting disc, an identification needle is arranged at the end of the rotating rod, a rotating disc is arranged at the end of the positioning rod, which is far away from the connecting disc, angle scales are arranged on the outer wall of the rotating disc, the positioning rod is connected with a through hole through the rotating rod and is installed on the angle disc, and the identification needle is positioned on the end face of; a rotating disc is arranged at one end of the puncture rod, a marking line is arranged on the rotating disc, a U-shaped frame is arranged at one end of the puncture rod, which is far away from the rotating disc, a rotating shaft is arranged in the U-shaped frame, and the puncture rod is rotatably connected with the rotating disc through the rotating disc and is arranged on the positioning rod; the puncture sleeve is a hollow cylinder, a connecting rod is arranged on the puncture sleeve, the connecting rod is rotatably connected with the rotating shaft, and a screwing bolt is arranged at the end head of the rotating shaft; and clamping bolts are arranged at the bottom ends of the connecting disc and the rotating disc.
2. The positioning device for guiding puncture in CT image puncture according to claim 1, wherein: the clamping grooves are formed in the two side plates and the bottom plate of the fixing frame, clamping plates and adjusting studs in threaded connection with the fixing frame are arranged in the clamping grooves, and the adjusting studs are rotatably connected with the clamping plates.
3. The positioning device for guiding puncture in CT image puncture according to claim 1, wherein: the telescopic auxiliary rod is arranged perpendicular to the sliding rail.
4. The positioning device for guiding puncture in CT image puncture according to claim 1, wherein: the rotating rod end is provided with a nut, and the identification needle is installed on the nut.
5. Use of a positioning device according to any of claims 1-4 for guiding a puncture in CT imaging puncture for positioning the puncture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010209670.XA CN111419423A (en) | 2020-03-23 | 2020-03-23 | Positioning device for guiding puncture in CT image puncture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010209670.XA CN111419423A (en) | 2020-03-23 | 2020-03-23 | Positioning device for guiding puncture in CT image puncture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111419423A true CN111419423A (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010209670.XA Pending CN111419423A (en) | 2020-03-23 | 2020-03-23 | Positioning device for guiding puncture in CT image puncture |
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| CN (1) | CN111419423A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113397661A (en) * | 2021-06-02 | 2021-09-17 | 河北医科大学第二医院 | Abdominal cavity puncture positioning navigation system |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4058114A (en) * | 1974-09-11 | 1977-11-15 | Siemens Aktiengesellschaft | Ultrasonic arrangement for puncturing internal body organs, vessels and the like |
| RU2093101C1 (en) * | 1993-07-19 | 1997-10-20 | Российский научно-исследовательский нейрохирургический институт им.проф.А.Л.Поленова (Санкт-Петербург) Министерства здравоохранения и медицинской промышленности Российской Федерации | Device for lateral percutaneous stereotaxic punction of intervertebral disks |
| US6044291A (en) * | 1997-05-02 | 2000-03-28 | Lap Gmbh | Targetting device for the straight-lined introduction of an instrument into a human body |
| CN201551399U (en) * | 2009-10-20 | 2010-08-18 | 梁萌 | Positioning frame for CT guide puncture needle |
| CN102755195A (en) * | 2011-04-29 | 2012-10-31 | 陈德路 | Tumor isocenter multi-angle non-planar percutaneous puncture method |
| CN103330572A (en) * | 2013-06-28 | 2013-10-02 | 冯威健 | Guider for guiding puncture by using streaking formed on CT (Computerized Tomography) image |
| CN204520788U (en) * | 2015-03-24 | 2015-08-05 | 魏建新 | Percutaneous transthoracic needle biopsy positioner |
| CN205672061U (en) * | 2016-04-15 | 2016-11-09 | 南京医科大学第一附属医院 | A kind of intervertebral foramina guide device |
| CN107582149A (en) * | 2017-10-16 | 2018-01-16 | 李静 | One kind is used for CT Conducted Puncture positioners |
| CN108670375A (en) * | 2018-07-16 | 2018-10-19 | 天津赛德生物制药有限公司 | A kind of prostate radiation seeds implanted system of biplane ultrasonic guiding |
| CN109464200A (en) * | 2018-12-14 | 2019-03-15 | 白明 | A kind of B ultrasound clinic localised puncture bracket |
| CN209863980U (en) * | 2019-03-07 | 2019-12-31 | 谢林 | Percutaneous lumbar intervertebral foramen mirror puncture auxiliary positioning ware |
-
2020
- 2020-03-23 CN CN202010209670.XA patent/CN111419423A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4058114A (en) * | 1974-09-11 | 1977-11-15 | Siemens Aktiengesellschaft | Ultrasonic arrangement for puncturing internal body organs, vessels and the like |
| RU2093101C1 (en) * | 1993-07-19 | 1997-10-20 | Российский научно-исследовательский нейрохирургический институт им.проф.А.Л.Поленова (Санкт-Петербург) Министерства здравоохранения и медицинской промышленности Российской Федерации | Device for lateral percutaneous stereotaxic punction of intervertebral disks |
| US6044291A (en) * | 1997-05-02 | 2000-03-28 | Lap Gmbh | Targetting device for the straight-lined introduction of an instrument into a human body |
| CN201551399U (en) * | 2009-10-20 | 2010-08-18 | 梁萌 | Positioning frame for CT guide puncture needle |
| CN102755195A (en) * | 2011-04-29 | 2012-10-31 | 陈德路 | Tumor isocenter multi-angle non-planar percutaneous puncture method |
| CN103330572A (en) * | 2013-06-28 | 2013-10-02 | 冯威健 | Guider for guiding puncture by using streaking formed on CT (Computerized Tomography) image |
| CN204520788U (en) * | 2015-03-24 | 2015-08-05 | 魏建新 | Percutaneous transthoracic needle biopsy positioner |
| CN205672061U (en) * | 2016-04-15 | 2016-11-09 | 南京医科大学第一附属医院 | A kind of intervertebral foramina guide device |
| CN107582149A (en) * | 2017-10-16 | 2018-01-16 | 李静 | One kind is used for CT Conducted Puncture positioners |
| CN108670375A (en) * | 2018-07-16 | 2018-10-19 | 天津赛德生物制药有限公司 | A kind of prostate radiation seeds implanted system of biplane ultrasonic guiding |
| CN109464200A (en) * | 2018-12-14 | 2019-03-15 | 白明 | A kind of B ultrasound clinic localised puncture bracket |
| CN209863980U (en) * | 2019-03-07 | 2019-12-31 | 谢林 | Percutaneous lumbar intervertebral foramen mirror puncture auxiliary positioning ware |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113397661A (en) * | 2021-06-02 | 2021-09-17 | 河北医科大学第二医院 | Abdominal cavity puncture positioning navigation system |
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Application publication date: 20200717 |