CN215959832U

CN215959832U - Scanning device

Info

Publication number: CN215959832U
Application number: CN202121917940.9U
Authority: CN
Inventors: 饶南燕; 胡婷婷; 宋尔卫
Original assignee: Sun Yat Sen Memorial Hospital Sun Yat Sen University
Current assignee: Sun Yat Sen Memorial Hospital Sun Yat Sen University
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-03-08
Anticipated expiration: 2031-08-16

Abstract

The utility model discloses a scanning device, which comprises a sleeve with a round hole, a positioning piece, a gear, a slide block with a shaft hole, a driver with an output rotating shaft and a scanner for scanning four limbs, wherein the positioning piece is arranged on the inner wall of the round hole and is used for being sleeved on the four limbs; be equipped with the smooth chamber that is used for holding the gear on the sleeve pipe, be equipped with the bar groove that communicates with smooth chamber on the inner wall of round hole, be equipped with on the inner wall of smooth chamber with gear engagement's rack, bar groove, rack and smooth chamber all extend along the axis direction spiral of round hole, the slider slidingtype is installed at the bar inslot, the output pivot of driver passes shaft hole and gear fixed connection and coaxial rotation, the scanner is installed on the slider, the driver is installed on the scanner. The utility model not only can stably support the affected limb of the patient and reduce the burden of the patient, but also can ensure the optimal scanning efficiency and scanning stability, and belongs to the technical field of medical equipment.

Description

Scanning device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a scanning device.

Background

In the diagnosis and treatment process of limb lymphedema, the 3D scanning imaging technology of a handheld scanner is generally adopted for diagnosis, in the scanning process, a medical worker is required to carry out multi-angle scanning on the limb of a patient by using the handheld scanner, then the collected images are spliced and reshaped through software processing, and finally the images are analyzed according to the splicing and the reshaped images. Though the handheld scanner has flexible operability, the handheld scanner needs to be held by an operator in the whole process, and has the advantages of multiple angles, repeated scanning, long time and complicated operation, and errors are easily caused due to instability of the handheld scanner. Meanwhile, the affected limb of the patient needs to be self-propelled or assisted by personnel to keep a specific posture for a long time, so that the burden of medical personnel of the patient is increased.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems in the prior art, the utility model aims to: the utility model provides a scanning device which not only can stably support the affected limb of a patient and reduce the burden of the patient, but also can ensure the optimal scanning efficiency and the scanning stability.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a scanning device comprises a sleeve with a round hole, a positioning piece, a gear, a slide block with a shaft hole, a driver with an output rotating shaft and a scanner for scanning four limbs, wherein the positioning piece is arranged on the inner wall of the round hole and used for being sleeved on the four limbs;

be equipped with on the sleeve pipe and be used for holding the smooth chamber of gear, be equipped with on the inner wall of round hole with the bar groove of smooth chamber intercommunication, be equipped with on the inner wall of smooth chamber with gear engagement's rack, the bar groove the rack smooth chamber all along the axis direction spiral of round hole extends, the slider slidingtype is installed the bar inslot, the output pivot of driver passes the shaft hole with gear fixed connection, the output pivot with gear coaxial rotation, the scanner is installed on the slider, the driver is installed on the scanner.

Furthermore, the number of the positioning pieces is multiple, and the positioning sleeves are sequentially arranged along the axis direction of the round holes.

Further, the positioning piece comprises a telescopic device which is provided with a telescopic end and is fixed on the inner wall of the round hole, and a limb sleeve which is arranged on the telescopic end and is used for being sleeved on limbs; the limb sleeve is located in the central region of the circular aperture.

Further, the telescopic direction of the telescopic end is the same as the radial direction of the round hole.

Further, the limb sleeve comprises an elastic belt, a first magic tape arranged on the elastic belt, and a second magic tape arranged on the elastic belt and matched with the first magic tape; the elastic belt is enclosed through the laminating of first magic subsides with the second magic subsides and closes the trepanning that forms and be used for four limbs to pass.

Further, the elastic belt is made of a transparent material and is made of a single piece.

Further, the gear is provided with a first end face and a second end face, the first end face and the second end face are both spherical surfaces, and the radian of the first end face and the radian of the second end face are matched with the radian of the inner wall of the sliding cavity.

Further, a first rolling ball is arranged on the first end face and rotatably mounted on the first end face and mounted on the inner wall of the sliding cavity in a rolling mode.

Furthermore, a second rolling ball is arranged on the second end face and rotatably mounted on the second end face and is mounted on the inner wall of the sliding cavity in a rolling mode.

Further, the scanning device also comprises a bracket; the sleeve is mounted on the bracket.

Compared with the prior art, the utility model has the beneficial effects that: the utility model not only can stably support the affected limb of the patient and reduce the burden of the patient, but also can ensure the optimal scanning efficiency and the scanning stability. The utility model has simple structure, low cost and convenient use, does not need to hold a scanner for operation, can automatically, quickly, comprehensively and accurately complete scanning work, can fix limbs in the sleeve, relieves the burden of a patient, greatly improves the comfort of the patient, reduces the workload of auxiliary personnel, and is beneficial to developing the 3D scanning of the lymphedema of the limbs.

Drawings

Fig. 1 is a schematic structural view of the scanning device, in which the stand is omitted.

Fig. 2 is a partial sectional view of the scanning device, with the carriage omitted.

Fig. 3 is an enlarged view at a of fig. 2.

In the figure, 1 is a sleeve, 2 is a positioning piece, 3 is a gear, 4 is a scanner, 5 is a sliding block, 6 is a driver, 7 is a rack, 11 is a round hole, 12 is a sliding cavity, 13 is a strip-shaped groove, 21 is a telescopic device, 22 is a limb sleeve, and 61 is an output rotating shaft.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "communicating" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

For convenience of description, unless otherwise noted, the up-down direction described below coincides with the up-down direction of fig. 1 itself, and the left-right direction described below coincides with the left-right direction of fig. 1 itself.

As shown in fig. 1 to 3, the present embodiment provides a scanning apparatus, which includes a cannula 1 having a circular hole 11, a positioning member 2 mounted on an inner wall of the circular hole 11 and adapted to be fitted over a limb, a gear 3, a slider 5 having a shaft hole, a driver 6 having an output shaft 61, and a scanner 4 for scanning the limb; the circular hole 11 can accommodate one upper or lower limb of the affected limb. The upper end of the positioning piece 2 is arranged on the inner wall of the round hole 11, and the lower end of the positioning piece 2 can be sleeved on the affected limb of the patient, so that the affected limb of the patient can be fixed in the round hole 11 of the sleeve 1. The driver 6 is a driving device such as a micro servo motor or an electric motor. The cannula 1 provides a supporting point for the affected limb, which can prevent the influence of external factors on the scanner 4 during scanning and isolate the radiation or ray of the scanner 4. The scanner 4 is an existing hand-held scanner 4.

The sleeve 1 is cylindrical, a sliding cavity 12 for accommodating the gear 3 is arranged on the sleeve 1, and the sliding cavity 12 is arranged between the side surface of the outer circumference of the sleeve 1 and the inner wall of the round hole 11. The inner wall of the round hole 11 is provided with a strip-shaped groove 13 communicated with the sliding cavity 12, and the sliding cavity 12 is communicated with the round hole 11 through the strip-shaped groove 13. Be equipped with on the right inner wall of sliding chamber 12 with the rack 7 of gear 3 meshing, bar groove 13, rack 7 and sliding chamber 12 all extend along the axis direction spiral of round hole 11, bar groove 13 from a left side to right extension and along the circumference side spiral setting of round hole 11. Slider 5 slidable formula is installed in bar groove 13, and slider 5 is squarely, and slider 5 has relative first side and the second side that sets up, and the laminating of first side is on one of them lateral wall of bar groove 13, and the laminating of second side is on another relative lateral wall that sets up of bar groove 13, and slider 5 can slide along bar groove 13 to can be round motion around the axis of round hole 11 in the intraductal side-to-side slip of sleeve 1, slider 5's slip orbit is the heliciform. The output rotating shaft 61 of the driver 6 penetrates through the shaft hole to be fixedly connected with the gear 3, the output rotating shaft 61 and the gear 3 rotate coaxially, and a user can rotate through the output rotating shaft 61 of the remote control driver 6, so that the rotation of the gear 3 is controlled. The scanner 4 is mounted on a slider 5, and the driver 6 is mounted on the scanner 4. After a user remotely presses a start scanning key, the gear 3 rolls in the sliding cavity 12 along the rack 7, the rolling track of the gear 3 is also spiral, the gear 3 drives the sliding block 5 to slide, so that the scanner 4 can be driven to move along the spiral track, and the scanner 4 moves around the axis of the affected limb while moving along the left-right direction to perform comprehensive scanning on the affected limb. After the scanning is finished, the output rotating shaft 61 of the driver 6 is turned over, the scanner 4 is quickly returned to the original state, the scanner 4 quickly and conveniently finishes 3D reconstruction, the 3D reconstruction data are transmitted to the user side, and the user side finishes data measurement, calculation and analysis through software.

Specifically, in one embodiment, the number of the positioning members 2 is multiple, and the plurality of positioning sleeves are sequentially arranged along the axial direction of the circular hole 11. The affected limb is placed in the round hole 11 along the axial direction of the round hole 11, and a plurality of locating sleeves are uniformly distributed along the length direction of the affected limb, so that a plurality of supporting points are provided for the affected limb, and the number of the locating sleeves is generally three to four.

Specifically, in one embodiment, the positioning member 2 comprises a telescopic device 21 having a telescopic end and fixed on the inner wall of the circular hole 11, and a limb sleeve 22 mounted on the telescopic end and used for being sleeved on the limbs; the telescopic device 21 can be an electric telescopic rod, so that the user can conveniently adjust the position of the limb sleeve 22 according to the actual condition of the patient, and the limb sleeve 22 is positioned in the central area of the circular hole 11. The limb sleeve 22 is located in the central region of the circular hole 11, so as to ensure that the affected limb of the patient is on the axis of the circular hole 11, and ensure that there is enough space between the affected limb and the inner wall of the circular hole 11 for the scanner 4 to move.

Specifically, in one embodiment, the telescopic direction of the telescopic end is the same as the radial direction of the circular hole 11. The telescopic rod of the electric telescopic rod is coincided with one of the diameters of the round holes 11.

Specifically, in one embodiment, the limb sleeve 22 includes an elastic band, a first magic tape disposed on the elastic band, and a second magic tape disposed on the elastic band and adapted to the first magic tape; the elastic band encloses to close through the laminating of first magic subsides and second magic subsides and forms the trepanning that is used for four limbs to pass. Each limb cover 22's elastic webbing turns right from a left side and places the level, and first magic subsides are rectangular form, and first magic is pasted and is extended along elastic webbing's length direction, pastes the different positions at first magic subsides through pasting the second magic for the elastic webbing has the trepanning of equidimension not. The trepanning is adjusted according to the volume of the affected limb. The central zone of elastic webbing is fixed and is served in the flexible of expansion bend, and the both ends of elastic webbing are unsettled, and the one end of elastic webbing is equipped with first magic subsides, and the other end of elastic webbing is equipped with the second magic subsides, stretches into the round hole earlier the arm, and the both ends winding of elastic webbing is gone up and is adjusted suitable size back according to the affected limb size, begins the scanning.

Specifically, in one embodiment, the elastic band is a single piece made of transparent material, and other materials with high scanning penetrability can be used for the elastic band, so as to facilitate the scanning of the scanner 4.

Specifically, in one embodiment, the gear 3 has a first end surface and a second end surface, both of which are spherical surfaces, and the radian of the first end surface and the radian of the second end surface of each sphere are matched with the radian of the inner wall of the sliding cavity 12, so that the gear 3 can roll along the rack 7 in the sliding cavity 12.

Specifically, in one embodiment, a first ball is disposed on the first end surface, rotatably mounted on the first end surface and rollingly mounted on the inner wall of the slide chamber 12. The second rolling ball is arranged on the second end face and rotatably arranged on the second end face and is arranged on the inner wall of the sliding cavity 12 in a rolling mode. The first rolling ball and the second rolling ball are embedded on the end face of the gear 3, and the first rolling ball and the second rolling ball can reduce friction between the gear 3 and the inner wall of the sliding cavity 12.

Specifically, in one embodiment, the scanning device further comprises a support (not shown); the sleeve 1 is mounted on a support. The bracket can adjust the height and angle of the sleeve 1.

The working principle of the scanning device is as follows: firstly, the affected limb of the patient is fixed in the circular hole of the sleeve through the limb sleeve, and the size of the limb sleeve can be adjusted according to the size of the affected limb. After the fixation of the affected limb of the patient is completed, the user end generates a scanning starting instruction to the scanning device, then the driver drives the gear to rotate, the rotation drives the sliding block to slide along the spiral track when the sliding block rolls, the scanner moves along the length direction of the affected limb and does circumferential motion around the affected limb under the driving of the sliding block, therefore, 360-degree all-dimensional scanning is carried out on the affected limb, the scanner sends the scanned picture and data to the user end, and the scanner automatically resets after the scanning is completed. And the user side carries out picture and data processing through software, splices and remodels the collected pictures, then finishes data measurement, calculation and analysis according to the spliced and remodeled pictures and finally finishes the diagnosis of the affected limb and the evaluation of the state of illness.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A scanning device, characterized by: the method comprises the following steps: the device comprises a sleeve with a round hole, a positioning piece, a gear, a slide block with a shaft hole, a driver with an output rotating shaft and a scanner for scanning four limbs, wherein the positioning piece, the gear, the slide block and the driver are arranged on the inner wall of the round hole and are used for being sleeved on the four limbs;

2. A scanning device as claimed in claim 1, characterized in that: the number of the positioning pieces is multiple, and the positioning pieces are sequentially arranged along the axis direction of the round hole.

3. A scanning device as claimed in claim 1, characterized in that: the positioning piece comprises a telescopic device which is provided with a telescopic end and is fixed on the inner wall of the round hole, and a limb sleeve which is arranged on the telescopic end and is used for being sleeved on four limbs; the limb sleeve is located in the central region of the circular aperture.

4. A scanning device as claimed in claim 3, characterized in that: the telescopic direction of the telescopic end is the same as the radial direction of the round hole.

5. A scanning device as claimed in claim 3, characterized in that: the limb sleeve comprises an elastic belt, a first magic tape arranged on the elastic belt, and a second magic tape arranged on the elastic belt and matched with the first magic tape; the elastic belt is enclosed through the laminating of first magic subsides with the second magic subsides and closes the trepanning that forms and be used for four limbs to pass.

6. A scanning device according to claim 5, characterized in that: the elastic belt is an integrated piece made of transparent materials.

7. A scanning device as claimed in claim 1, characterized in that: the gear is provided with a first end face and a second end face, the first end face and the second end face are both spherical surfaces, and the radian of the first end face and the radian of the second end face are matched with the radian of the inner wall of the sliding cavity.

8. A scanning device as claimed in claim 7, characterized in that: the first end face is provided with a first rolling ball, and the first rolling ball is rotatably arranged on the first end face and is arranged on the inner wall of the sliding cavity in a rolling mode.

9. A scanning device as claimed in claim 7, characterized in that: and a second rolling ball is arranged on the second end face and rotatably mounted on the second end face in a rolling manner.

10. A scanning device according to any one of claims 1-9, characterized in that: the device also comprises a bracket; the sleeve is mounted on the bracket.