CN113069188A - Positioner is used in CT puncture - Google Patents
Positioner is used in CT puncture Download PDFInfo
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- CN113069188A CN113069188A CN202010069429.1A CN202010069429A CN113069188A CN 113069188 A CN113069188 A CN 113069188A CN 202010069429 A CN202010069429 A CN 202010069429A CN 113069188 A CN113069188 A CN 113069188A
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- positioning device
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- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 230000001681 protective effect Effects 0.000 claims abstract description 7
- 239000004677 Nylon Substances 0.000 claims description 18
- 229920001778 nylon Polymers 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 241001125879 Gobio Species 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001574 biopsy Methods 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 238000001959 radiotherapy Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
- A61B6/035—Mechanical aspects of CT
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Optics & Photonics (AREA)
- Theoretical Computer Science (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
The invention relates to the technical field of medical instruments and discloses a positioning device for CT puncture, which comprises a CT machine and an examination bed positioned at the front end of the CT machine, wherein the examination bed comprises a bed body, the front end of the outer side of the bed body is rotatably connected with a protective cover, the lower end of the outer side of the bed body is rotatably connected with a base, the bed body comprises a bed shell, and the upper end of the inner side of the bed shell is provided with a sliding table. According to the invention, the bed shell and the rotating frame are driven to rotate along the base through the extension and retraction of the electric cylinder, so that the positions of the transmission mechanism and the sliding table in the horizontal and vertical directions can be changed, the positions of the transmission mechanism and the sliding table in the CT machine can be further adjusted, the position of the sliding table body in the bed shell can be changed through the lead screw, the position of the transmission mechanism in the horizontal direction can be further adjusted, the position of a patient on the conveying belt can be adjusted through the transmission mechanism in the horizontal direction, the patient can be accurately positioned through the CT machine, the patient can be conveniently punctured by medical personnel, and the success rate of puncturing is improved.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a positioning device for CT puncture.
Background
The puncture biopsy is a relatively common examination mode clinically, the specific nature of pathology and the corresponding pathological type can be determined, the puncture is often unsuccessful due to the fact that the specific positions of tumors and the like with pathological changes in a body cannot be determined, pain of a patient is increased, the CT puncture technology is brought into effect, and the success rate of puncture can be greatly improved by positioning the tumors and the like under the guidance of CT.
The Chinese patent discloses a radiotherapy CT positioning auxiliary device (No. CN205814439U), which adopts an automatic laser sensitive film to replace manual line drawing, greatly improves the positioning accuracy, but can not adjust the angle of a CT scanning bed, thereby being inconvenient to adjust the position of a patient and causing inconvenient positioning. Therefore, a positioning device for CT puncture is provided by those skilled in the art to solve the problems in the background art mentioned above.
Disclosure of Invention
The present invention is directed to a positioning device for CT puncture to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a positioner is used in CT puncture, includes the CT machine and is located the inspection bed of CT machine front end, the inspection bed includes the bed body, the front end in the outside of the bed body rotates and is connected with the protection casing, and the lower extreme in the outside of the bed body rotates and is connected with the base, the bed body is including the bed shell, the sliding table is installed to the upper end of the inboard of bed shell, and the bottom of bed shell rotates and is connected with the rotating turret, the inboard rotation that the bottom of bed shell is located the rotating turret is connected with a set of electronic jar, the bottom of electronic jar is rotated and is connected with fixed ear, the first trunnion of middle part fixedly connected with in the outside of rotating turret, and the lower extreme fixedly connected with second trunnion in the outside of rotating turret, drive mechanism is installed to the inboard of sliding table, and the head fixed establishment is.
As a further scheme of the invention: first gudgeon rotates with the upper end of protection casing to be connected, the second gudgeon rotates with the lower extreme of protection casing and the inside wall of base simultaneously to be connected, the bottom of fixed ear and the lower extreme fixed connection of the inboard of base.
As a still further scheme of the invention: the sliding table comprises a sliding table body, wherein the front side and the rear side of the lower end of the sliding table body are fixedly connected with nut pairs, the inner sides of the nut pairs are provided with lead screws in a penetrating mode, the front ends and the rear ends, close to the nut pairs, of the outer sides of the lead screws are provided with first bearing seats, the front ends of the lead screws are fixedly connected with first belt pulley groups, and the front ends of the first belt pulley groups are fixedly connected with first motors.
As a still further scheme of the invention: the first motor is fixedly installed at the front end of the inside of the bed shell, the first bearing seats are respectively and fixedly installed at the front end and the rear end of the inner wall of the bed shell, and the sliding table body is connected with the bed shell in a sliding mode.
As a still further scheme of the invention: drive mechanism includes the conveyer belt, the front and back end of the inboard of conveyer belt all rotates and is connected with the driving roller, second bearing frame, one of them are all installed at the both ends of driving roller the one end that the outside of driving roller is close to second bearing frame installs second pulley group, the front end fixedly connected with second motor of second pulley group.
As a still further scheme of the invention: the second motor is fixedly installed on the front side inside the sliding table body, the second bearing seats are fixedly installed at two ends of the inner side wall of the sliding table body, and the conveying belt is installed at the upper end of the inner side of the sliding table body.
As a still further scheme of the invention: head fixed establishment includes "U" type set casing, the one end fixedly connected with buckle in the outside of "U" type set casing, and the other end fixedly connected with nylon belt in the outside of "U" type set casing, the inboard of "U" type set casing is provided with the sponge layer, the female subsides of downside fixedly connected with magic of the one end in nylon belt, and the lower extreme in nylon belt is close to the female subsides of one side fixedly connected with magic subsides of subsides.
As a still further scheme of the invention: the nylon belt is matched with the buckle, the magic sub-tape is matched with the magic female tape, and the bottom end of the U-shaped fixing shell is fixed on the rear side of the top end of the sliding table body.
Compared with the prior art, the invention has the beneficial effects that:
flexible drive bed shell and rotating turret through electronic jar rotate along the base, thereby can change drive mechanism and sliding stand in the position of level and vertical direction, and then adjust drive mechanism and sliding stand in CT machine position, change the sliding stand body through the lead screw and put in the bed shell, and then adjust drive mechanism in the position of horizontal direction, adjust the position of patient on the conveyer belt through drive mechanism on the horizontal direction, and then can carry out the accurate positioning to the patient through the CT machine, make things convenient for medical personnel to puncture the patient, the success rate of puncture has been improved.
Drawings
FIG. 1 is a schematic structural view of a positioning device for CT puncture;
FIG. 2 is an exploded view of an examining table of the positioning device for CT puncture;
FIG. 3 is a schematic structural view of a bed body of a positioning device for CT puncture;
FIG. 4 is a schematic view of a partial structure of a sliding table of a positioning device for CT puncture;
FIG. 5 is a schematic view of a partial structure of a transmission mechanism of a positioning device for CT puncture;
fig. 6 is a schematic structural view of a head fixing mechanism in a positioning device for CT puncture.
In the figure: 1. a CT machine; 2. an examination bed; 21. a bed body; 211. a bed shell; 212. a transmission mechanism; 2121. a conveyor belt; 2122. a second bearing housing; 2123. a driving roller; 2124. a second pulley set; 2125. a second motor; 213. a head fixing mechanism; 2131. a U-shaped fixed shell; 2132. buckling; 2133. a sponge layer; 2134. a nylon band; 2135. a magic tape; 2136. a magic female sticker; 214. a sliding table; 2141. a sliding table body; 2142. a nut pair; 2143. a first motor; 2144. a first pulley set; 2145. a first bearing housing; 2146. a lead screw; 215. a rotating frame; 216. a first trunnion; 217. a second trunnion; 218. an electric cylinder; 219. fixing the ear; 22. a protective cover; 23. a base.
Detailed Description
Referring to fig. 1 to 6, in an embodiment of the present invention, a positioning device for CT puncture includes a CT machine 1 and an examination bed 2 located at a front end of the CT machine 1, the examination bed 2 includes a bed body 21, a protective cover 22 is rotatably connected to a front end of an outer side of the bed body 21, a base 23 is rotatably connected to a lower end of the outer side of the bed body 21, the bed body 21 includes a bed shell 211, a sliding table 214 is installed at an upper end of an inner side of the bed shell 211, a rotating frame 215 is rotatably connected to a bottom end of the bed shell 211, a group of electric cylinders 218 is rotatably connected to a bottom end of the bed shell 211 located at the inner side of the rotating frame 215, a fixing lug 219 is rotatably connected to a bottom end of the electric cylinders 218, a first trunnion 216 is fixedly connected to a middle portion of the outer side of the rotating frame 215, a second trunnion 217 is fixedly connected to a lower end of the outer side of the rotating frame.
In fig. 2 and 3: the first trunnion 216 is rotatably connected with the upper end of the protective cover 22, the second trunnion 217 is simultaneously rotatably connected with the lower end of the protective cover 22 and the inner side wall of the base 23, the bottom end of the fixing lug 219 is fixedly connected with the lower end of the inner side of the base 23, and the rotating frame 215 is rotatably connected with the base 23 because the bed shell 211 is rotatably connected with the rotating frame 215, so that the bed shell 211 and the rotating frame 215 can simultaneously rotate towards the direction of the CT machine 1, and the bed shell 211 and the rotating frame 215 can be kept parallel.
In fig. 4: the sliding table 214 comprises a sliding table body 2141, a nut pair 2142 is fixedly connected to the front and rear sides of the lower end of the sliding table body 2141, a lead screw 2146 is arranged on the inner side of the nut pair 2142 in a penetrating manner, first bearing seats 2145 are arranged on the outer side of the lead screw 2146 close to the front and rear ends of the nut pair 2142, a first pulley block 2144 is fixedly connected to the front end of the lead screw 2146, a first motor 2143 is fixedly connected to the front end of the first pulley block 2144, the first pulley set 2144 is driven by the first motor 2143 to rotate, the first pulley set 2144 drives the lead screw 2146 to rotate at the inner side of the nut pair 2142, so that the sliding table body 2141 moves horizontally at the inner side of the bed shell 211, because the transmission mechanism 212 is fixedly installed inside the sliding table body 2141, the sliding table body 2141 drives the transmission mechanism 212 to move horizontally together, and the CT machine 1 can accurately scan and position the patient on the transmission mechanism 212.
In fig. 3 and 4: the first motor 2143 is fixedly installed at the front end of the inside of the bed case 211, the first bearing seats 2145 are respectively fixedly installed at the front and rear ends of the inner wall of the bed case 211, and the sliding table body 2141 is slidably connected with the bed case 211, so that the sliding table body 2141 can be driven by the first motor 2143 to smoothly slide on the inside of the bed case 211.
In fig. 5: the transmission mechanism 212 includes a transmission belt 2121, the front end and the rear end of the inner side of the transmission belt 2121 are rotatably connected to transmission rollers 2123, two end bearings 2122 are respectively installed at two ends of the transmission rollers 2123, one end of the outer side of one of the transmission rollers 2123, which is close to the second bearing seat 2122, is installed with a second belt pulley set 2124, the front end of the second belt pulley set 2124 is fixedly connected to a second motor 2125, the second belt pulley set 2124 is driven by the second motor 2125 to rotate, the second belt pulley set 2124 drives the transmission rollers 2123 to rotate, the transmission rollers 2123 drive the transmission belt 2121 to rotate, so that a patient on the transmission belt 2121 moves, and the head of the patient can automatically enter the head fixing mechanism 213.
In fig. 4 and 5: the second motor 2125 is fixedly installed at the front side inside the sliding table body 2141, the second bearing housing 2122 is fixedly installed at both ends of the inner sidewall of the sliding table body 2141, and the conveyer belt 2121 is installed at the upper end of the inside of the sliding table body 2141, so that the conveyer belt 2121 can be smoothly rotated by the second motor 2125.
In fig. 6: the head fixing mechanism 213 comprises a U-shaped fixing shell 2131, a buckle 2132 is fixedly connected to one end of the outer side of the U-shaped fixing shell 2131, a nylon tape 2134 is fixedly connected to the other end of the outer side of the U-shaped fixing shell 2131, a sponge layer 2133 is arranged on the inner side of the U-shaped fixing shell 2131, a female magic tape 2136 is fixedly connected to the lower side of one end of the nylon tape 2134, a male magic tape 2135 is fixedly connected to one side, close to the female magic tape 2136, of the lower end of the nylon tape 2134, the nylon tape 2134 penetrates into the buckle 2132 after penetrating through the head of a patient, then the nylon tape 2134 is pulled reversely, and the female magic tape 2136 is attached to the male magic tape 2135, so that the head of the patient can be fixed.
In fig. 4 and 6: the nylon tape 2134 is matched with the buckle 2132, the magic tape 2135 is matched with the magic female tape 2136, the bottom end of the U-shaped fixing shell 2131 is fixed to the rear side of the top end of the sliding table body 2141, and the head of a patient can be fixed in the U-shaped fixing shell 2131 through the matching of the nylon tape 2134, the buckle 2132, the magic tape 2135 and the magic female tape 2136.
The working principle of the invention is as follows: firstly, a patient lies on the conveyor belt 2121 of the transmission mechanism 212 and the head of the patient is slightly lifted, then the second motor 2125 is started, the second motor 2125 drives the second belt pulley group 2124 to rotate, the second belt pulley group 2124 drives the transmission roller 2123 to rotate, the transmission roller 2123 drives the conveyor belt 2121 to rotate, so that the patient on the conveyor belt 2121 moves, the head of the patient enters the head fixing mechanism 213, the head of the patient is rested on the sponge layer 2133, then the nylon belt 2134 passes through the head of the patient and then penetrates into the buckle 2132, then the nylon belt 2134 is pulled reversely, the magic mother tape 2136 is attached to the magic tape 2135, so that the head of the patient is fixed, then the electric cylinder 218 extends, and the electric cylinder 218 is rotationally connected with the bed shell 211, so that the bed shell 211 is pushed towards the CT machine 1, and the bed shell 211 is rotationally connected with the rotating frame 215, the rotating frame 215 is rotatably connected with the base 23, so that the bed 211 and the rotating frame 215 rotate towards the CT machine 1 at the same time, and the bed 211 and the rotating frame 215 are kept parallel, so that the transmission mechanism 212 and the sliding table 214 are fed into the CT machine 1 together, then, the first motor 2143 is turned on, the first motor 2143 drives the first pulley set 2144 to rotate, the first pulley set 2144 drives the lead screw 2146 to rotate at the inner side of the nut pair 2142, and further the sliding table body 2141 horizontally moves at the inner side of the bed 211, because the transmission mechanism 212 is fixedly installed at the inner side of the sliding table body 2141, the transmission mechanism 212 is driven to horizontally move together by the sliding table body 2141, and then the CT machine 1 accurately scans and positions the patient on the transmission mechanism 212, which is convenient for medical personnel to puncture the patient, and the success rate of puncture is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (8)
1. The utility model provides a positioner is used in CT puncture, includes CT machine (1) and is located examining bed (2) of CT machine (1) front end, its characterized in that, examining bed (2) is including bed body (21), the front end in the outside of bed body (21) rotates and is connected with protection casing (22), and the lower extreme in the outside of bed body (21) rotates and is connected with base (23), bed body (21) is including bed shell (211), slip table (214) is installed to the upper end of the inboard of bed shell (211), and the bottom of bed shell (211) rotates and is connected with rotating turret (215), the inboard that the bottom of bed shell (211) is located rotating turret (215) rotates and is connected with a set of electronic jar (218), the bottom of electronic jar (218) rotates and is connected with fixed ear (219), the middle part fixedly connected with first trunnion (216) in the outside of rotating turret (215), and the lower extreme fixedly connected with second trunnion (217) in the outside of rotating turret (215), a transmission mechanism (212) is installed on the inner side of the sliding table (214), and a head fixing mechanism (213) is installed on the rear side of the top end of the sliding table (214).
2. The positioning device for CT puncture according to claim 1, wherein the first trunnion (216) is rotatably connected with the upper end of the protective cover (22), the second trunnion (217) is rotatably connected with the lower end of the protective cover (22) and the inner side wall of the base (23), and the bottom end of the fixing lug (219) is fixedly connected with the lower end of the inner side of the base (23).
3. The positioning device for CT puncture according to claim 1, wherein the sliding table (214) comprises a sliding table body (2141), the front side and the rear side of the lower end of the sliding table body (2141) are fixedly connected with nut pairs (2142), the inner sides of the nut pairs (2142) are provided with a lead screw (2146) in a penetrating manner, the front end and the rear end of the outer side of the lead screw (2146) close to the nut pairs (2142) are provided with first bearing seats (2145), the front end of the lead screw (2146) is fixedly connected with a first pulley group (2144), and the front end of the first pulley group (2144) is fixedly connected with a first motor (2143).
4. The positioning device for CT puncture according to claim 3, wherein the first motor (2143) is fixedly installed at the front end of the inside of the bed housing (211), the first bearing seats (2145) are respectively fixedly installed at the front and rear ends of the inner wall of the bed housing (211), and the sliding table body (2141) is slidably connected with the bed housing (211).
5. The positioning device for CT puncture according to claim 1, wherein the transmission mechanism (212) comprises a conveyor belt (2121), the front end and the rear end of the inner side of the conveyor belt (2121) are rotatably connected with transmission rollers (2123), the two ends of each transmission roller (2123) are respectively provided with a second bearing seat (2122), one end of the outer side of one of the transmission rollers (2123) close to the second bearing seat (2122) is provided with a second pulley group (2124), and the front end of the second pulley group (2124) is fixedly connected with a second motor (2125).
6. The positioning device for CT puncture according to claim 5, wherein the second motor (2125) is fixedly installed at the front side inside the sliding table body (2141), the second bearing seat (2122) is fixedly installed at two ends of the inner side wall of the sliding table body (2141), and the conveying belt (2121) is installed at the upper end of the inner side of the sliding table body (2141).
7. The positioning device for CT puncture according to claim 1, wherein the head fixing mechanism (213) comprises a U-shaped fixing shell (2131), one end of the outer side of the U-shaped fixing shell (2131) is fixedly connected with a buckle (2132), the other end of the outer side of the U-shaped fixing shell (2131) is fixedly connected with a nylon tape (2134), the inner side of the U-shaped fixing shell (2131) is provided with a sponge layer (2133), the lower side of one end of the nylon tape (2134) is fixedly connected with a magic female tape (2136), and one side of the lower end of the nylon tape (2134) close to the magic female tape (2136) is fixedly connected with a magic sub-tape (2135).
8. The positioning device for CT puncture according to claim 7, wherein the nylon strap (2134) is matched with the buckle (2132), the hook and loop fastener (2135) is matched with the hook and loop fastener (2136), and the bottom end of the U-shaped fixing shell (2131) is fixed at the rear side of the top end of the sliding table body (2141).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010069429.1A CN113069188A (en) | 2020-01-06 | 2020-01-06 | Positioner is used in CT puncture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010069429.1A CN113069188A (en) | 2020-01-06 | 2020-01-06 | Positioner is used in CT puncture |
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| CN113069188A true CN113069188A (en) | 2021-07-06 |
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| CN202010069429.1A Pending CN113069188A (en) | 2020-01-06 | 2020-01-06 | Positioner is used in CT puncture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117159011A (en) * | 2023-09-27 | 2023-12-05 | 南京中大生物信息研究院有限公司 | Early tumor detection equipment |
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| CN117159011B (en) * | 2023-09-27 | 2024-04-09 | 南京中大生物信息研究院有限公司 | Early tumor detection equipment |
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