阅读说明：本技术 一种电控滑轨式可调型ct辐射防护装置 (Automatically controlled slide rail formula adjustable type CT radiation protector ) 是由 刘志伟 尹德军 于 2021-08-31 设计创作，主要内容包括：本发明涉及CT装置防辐射技术领域,尤其涉及一种电控滑轨式可调型CT辐射防护装置。其技术方案包括：弧形防辐射板,弧形防辐射板设置有两个,且分前后位置设置在CT装置的床部上侧,弧形防辐射板之间滑动设置有射线穿透调节机构,CT装置的床部上侧还设置有驱动射线穿透调节机构移动电动滑轨；射线穿透调节机构包括两端分别设置在弧形防辐射板内的弧形调节板,弧形调节板内设置有空腔,该空腔通过弧形隔板分隔为上空腔以及下空腔,弧形调节板以及弧形隔板上设置有使CT装置产生的射线透过的射线穿透槽。本发明通过调节射线穿透槽的纵向长度以及横向长度,进而避免过多射线通过射线穿透槽作用于人体；且可根据人体的位置调节射线穿透槽的相对位置。(The invention relates to the technical field of radiation protection of CT devices, in particular to an electric control slide rail type adjustable CT radiation protection device. The technical scheme comprises the following steps: the CT device comprises two arc-shaped radiation-proof plates, a radiation penetration adjusting mechanism and an electric slide rail, wherein the two arc-shaped radiation-proof plates are arranged on the upper side of a bed part of the CT device in front and back positions, the radiation penetration adjusting mechanism is arranged between the arc-shaped radiation-proof plates in a sliding manner, and the upper side of the bed part of the CT device is also provided with the electric slide rail for driving the radiation penetration adjusting mechanism to move; the ray penetration adjusting mechanism comprises an arc-shaped adjusting plate, two ends of the arc-shaped adjusting plate are respectively arranged in the arc-shaped radiation-proof plate, a cavity is arranged in the arc-shaped adjusting plate, the cavity is divided into an upper cavity and a lower cavity through an arc-shaped partition plate, and ray penetration grooves for enabling rays generated by the CT device to penetrate are formed in the arc-shaped adjusting plate and the arc-shaped partition plate. According to the invention, by adjusting the longitudinal length and the transverse length of the ray penetration groove, excessive rays are prevented from acting on a human body through the ray penetration groove; and the relative position of the ray penetration groove can be adjusted according to the position of the human body.)

1. The utility model provides an adjustable type CT radiation protector of automatically controlled slide rail formula which characterized in that: the CT radiation protection device comprises two arc radiation protection plates (2), the two arc radiation protection plates (2) are arranged on the upper side of a bed part of the CT device in front and back positions, a ray penetration adjusting mechanism (3) is arranged between the arc radiation protection plates (2) in a sliding mode, and a movable electric sliding rail (1) for driving the ray penetration adjusting mechanism (3) is further arranged on the upper side of the bed part of the CT device;

ray pierces through adjustment mechanism (3) including both ends set up arc regulating plate (34) in arc radiation protection board (2) respectively, be provided with the cavity in arc regulating plate (34), this cavity passes through arc baffle (36) and separates for upper chamber and lower cavity (37), be provided with on arc regulating plate (34) and arc baffle (36) and make the ray that the CT device produced permeate through ray slot (310), be provided with the symmetry in the upper chamber and be provided with the adjustment mechanism an of the horizontal length regulation to ray penetrating slot (310), be provided with the adjustment mechanism b of the longitudinal length regulation to ray penetrating slot (310) down in cavity (37).

2. The adjustable CT radiation protection device of claim 1, wherein the adjusting mechanism a comprises an arc-shaped protection plate a (31) slidably disposed in the upper cavity, an arc-shaped rack (33) is disposed outside the arc-shaped protection plate a (31), a driving motor a (4) is disposed on the arc-shaped adjusting plate (34), and a gear (5) engaged with the arc-shaped rack (33) is disposed at an output end of the driving motor a (4).

3. An electrically controlled slide rail type adjustable CT radiation protection device according to claim 2, characterized in that the arc-shaped adjusting plate (34) is provided with a rack guide groove (35) for moving the arc-shaped rack (33).

4. The adjustable CT radiation protection device of claim 2, wherein the adjusting mechanism b comprises a driving motor b (39) fixed in the lower cavity (37), the output end of the driving motor b (39) is connected with a rotating rod (38), the rotating rod (38) is provided with a threaded portion, the two ends of the threaded portion are opposite in threaded direction, and the threaded portion is in threaded connection with the arc-shaped protection plate b (32).

5. An electrically controlled slide rail type adjustable CT radiation protection device according to claim 4, characterized in that a guiding rod longitudinally penetrating the two arc-shaped protection plates b (32) is further arranged in the lower cavity (37).

6. An electrically controlled slide rail type adjustable CT radiation protection device according to claim 4, characterized in that the driving motor b (39), the driving motor a (4) and the electric slide rail (1) are controlled by an external control device.

7. An electrically controlled slide rail type adjustable CT radiation protection device according to any one of claims 4-6, characterized in that the arc-shaped protection plate a (31), the arc-shaped protection plate b (32), the arc-shaped adjusting plate (34) and the arc-shaped radiation protection plate (2) are made of materials capable of shielding the radiation of the CT device.

Technical Field

The invention relates to the technical field of radiation protection of CT devices, in particular to an electric control slide rail type adjustable CT radiation protection device.

Background

The Chinese patent with application publication number CN111904456A discloses an electric control slide rail type adjustable CT radiation protection device, wherein slide rails are detachably arranged at two sides of a CT examining table, two arc-shaped protection covers which are connected in a sliding way are arranged on the slide rails to form a closed loop and are driven by a transmission mechanism, and the arc-shaped protection covers are formed by a plurality of foldable knots and are respectively connected with the transmission mechanism; the control part of the transmission mechanism is arranged at the tail end and controls the arc-shaped protective covers to relatively slide on the sliding rail to adjust the relative positions of the two arc-shaped protective covers and the opening ends of the two arc-shaped protective covers;

the CT protective device aims at the problem that when CT examination is carried out on a patient at present, most of the CT protective device cannot effectively protect other parts of the body outside the examination range or the protective device is not intelligent enough, so that non-examined organs are damaged.

Disclosure of Invention

The invention aims to provide an electric control slide rail type adjustable CT radiation protection device which can adjust the penetrating position of rays according to the position of a focus of a human body in a targeted manner aiming at the problems in the background technology.

The technical scheme of the invention is as follows: an electric control slide rail type adjustable CT radiation protection device comprises two arc-shaped radiation protection plates, wherein the two arc-shaped radiation protection plates are arranged at the upper side of a bed part of the CT device in a front-back position, a ray penetration adjusting mechanism is arranged between the arc-shaped radiation protection plates in a sliding manner, and an electric slide rail for driving the ray penetration adjusting mechanism to move is further arranged at the upper side of the bed part of the CT device;

the ray penetration adjusting mechanism comprises an arc-shaped adjusting plate, two ends of the arc-shaped adjusting plate are arranged in the arc-shaped radiation-proof plate respectively, a cavity is arranged in the arc-shaped adjusting plate, the cavity is divided into an upper cavity and a lower cavity through an arc-shaped partition plate, ray penetration grooves for enabling rays generated by the CT device to penetrate through are formed in the arc-shaped adjusting plate and the arc-shaped partition plate, adjusting mechanisms a for adjusting the transverse length of the ray penetration grooves are symmetrically arranged in the upper cavity, and adjusting mechanisms b for adjusting the longitudinal length of the ray penetration grooves are arranged in the lower cavity.

Preferably, adjustment mechanism a is including sliding the arc protection board an that sets up in the cavity above, and arc protection board a outside is provided with the arc rack, be provided with driving motor a on the arc regulating plate, driving motor a's output is provided with the gear with arc rack toothing.

Preferably, the arc-shaped adjusting plate is provided with a rack guide groove for moving the arc-shaped rack.

Preferably, adjustment mechanism b is including the driving motor b of fixing in cavity down, and driving motor b's output is connected with the bull stick, and processing has the opposite screw thread portion of both ends screw thread direction on the bull stick, and equal threaded connection has arc guard plate b on the screw thread portion.

Preferably, a guide rod longitudinally penetrating through the two arc-shaped protection plates b is further arranged in the lower cavity.

Preferably, the driving motor b, the driving motor a and the electric slide rail are controlled by an external control device in a unified manner.

Preferably, the arc-shaped protection plate a, the arc-shaped protection plate b, the arc-shaped adjusting plate and the arc-shaped radiation protection plate are made of materials capable of shielding rays of the CT device.

Compared with the prior art, the invention has the following beneficial technical effects:

by adjusting the longitudinal length and the transverse length of the ray penetration groove, excessive rays are prevented from acting on a human body through the ray penetration groove;

through the position of a human body, the unilateral adjusting mechanism a is controlled to shield the ray penetration groove, so that the shielded part of the ray penetration groove can relatively shift leftwards or rightwards, and the aim of reducing radiation irradiation as much as possible without moving the position of the human body is achieved.

Drawings

FIG. 1 shows a schematic top view of an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cut-away view of an arcuate adjustment plate;

FIG. 4 is a schematic view of an adjustment mechanism b;

FIG. 5 is a schematic structural view of an arc-shaped radiation protection plate;

FIG. 6 is a schematic structural view of an arc-shaped guard plate b;

reference numerals: 1. an electric slide rail; 2. an arc radiation protection plate; 3. a ray penetration adjusting mechanism; 4. driving a motor a; 5. a gear; 31. an arc-shaped protection plate a; 32. an arc-shaped protection plate b; 33. an arc-shaped rack; 34. an arc-shaped adjusting plate; 35. a rack guide groove; 36. an arc-shaped partition plate; 37. a lower cavity; 38. a rotating rod; 39. drive motor b, 310, ray penetration groove.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1 and 5, the electrically controlled slide rail type adjustable CT radiation protection device provided by the present invention comprises two arc radiation protection plates 2, wherein the arc radiation protection plates 2 are hollow, and are respectively arranged at the upper side of the bed part of the CT device at the front and rear positions, a ray penetration adjusting mechanism 3 is slidably arranged between the arc radiation protection plates 2, and the upper side of the bed part of the CT device is further provided with an electric slide rail 1 for driving the ray penetration adjusting mechanism 3 to move;

as shown in fig. 1-3, the radiation penetration adjusting mechanism 3 includes an arc-shaped adjusting plate 34 with two ends respectively disposed in the arc-shaped radiation-proof plate 2, a cavity is disposed in the arc-shaped adjusting plate 34, the cavity is divided into an upper cavity and a lower cavity 37 by an arc-shaped partition 36, the arc-shaped adjusting plate 34 and the arc-shaped partition 36 are provided with radiation penetration grooves 310 for allowing radiation generated by the CT apparatus to penetrate therethrough, the upper cavity is internally provided with adjusting mechanisms a for adjusting the transverse length of the radiation penetration grooves 310, and the lower cavity 37 is internally provided with adjusting mechanisms b for adjusting the longitudinal length of the radiation penetration grooves 310;

adjustment mechanism a is including sliding the arc protection board a31 that sets up in last cavity, and arc protection board a31 outside is provided with arc rack 33, is provided with driving motor a4 on the arc regulating plate 34, and driving motor a 4's output is provided with the gear 5 with arc rack 33 meshing, is provided with the rack guide way 35 that supplies arc rack 33 to remove on the arc regulating plate 34.

As shown in fig. 4 and 6, the adjusting mechanism b includes a driving motor b39 fixed in the lower cavity 37, an output end of the driving motor b39 is connected with a rotating rod 38, threaded portions with opposite thread directions at two ends are machined on the rotating rod 38, arc-shaped protection plates b32 are all in threaded connection on the threaded portions, and threaded holes are machined on the arc-shaped protection plates b32, so that the threaded holes of the rotating rod 38 are matched with the threaded holes;

the working principle of the electric control slide rail type adjustable CT radiation protection device based on the first embodiment is as follows: firstly, a person lies on a bed of the CT apparatus, a part to be detected of a human body is located under the ray penetration groove 310 through the electric slide rail 1, as shown in fig. 1, B in fig. 1 is set as a focus part, the gear 5 is driven to rotate through the work of the driving motor a4, and then the gear 5 enables the arc-shaped rack 33 to drive the arc-shaped protection plate a31 to move along the upper cavity, so that the area of the ray penetration groove 310 is reduced (namely, the transverse length of the ray penetration groove 310 is covered by part of the arc-shaped protection plate a 31), then the driving motor B39 works to drive the rotating rod 38 to rotate, so that the arc-shaped protection plates B32 are close to or far away from each other to reduce the longitudinal length of the ray penetration groove 310, and further cooperate with the adjusting mechanism a to prevent excessive rays from acting on the human body through the ray penetration groove 310 and simultaneously prevent the rays from acting on healthy parts of the human body.

Secondly, when the position of a person is relatively deviated, the unilateral adjusting mechanism a can be controlled to shield the ray penetration groove 310 according to the relative deviation of the human body, so that the shielded part of the ray penetration groove 310 is relatively deviated leftwards or rightwards, the radiation irradiation is reduced as much as possible, the position of the person is not required to be moved, and the movement of the person is facilitated for the crowd who is inconvenient to move.

Example two

As shown in fig. 2, 4 and 6, in the embodiment of the electrically controlled slide rail type adjustable CT radiation protection device according to the present invention, on the basis of the first embodiment, in the present embodiment, the lower cavity 37 is further provided with a guide rod longitudinally penetrating through two arc protection plates b32, the arc protection plate b32 is provided with a guide hole, and when the arc protection plate b32 moves relatively, the guide rod can guide the movement of the arc protection plate b32, so that the movement is more stable;

the driving motor b39, the driving motor a4 and the electric sliding rail 1 are controlled by external control equipment in a unified way; the control device controls the electric sliding rail 1, the driving motor b39 and the driving motor a4 to work, so that the position and the coverage area of the ray penetration groove 310 can be adjusted more conveniently;

the arc-shaped protection plate a31, the arc-shaped protection plate b32, the arc-shaped adjusting plate 34 and the arc-shaped radiation protection plate 2 are made of materials capable of shielding rays of the CT device, preferably lead materials are used, and the materials have strong corrosion resistance and acid and alkali resistance, so that the radiation protection plate is a cheap radiation protection material in many aspects of acid-resistant environment construction, medical radiation protection, X-ray protection, CT room ray protection, weighting and sound insulation.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.