阅读说明：本技术 一种灵敏度高的c形臂ct设备 (C-shaped arm CT equipment with high sensitivity ) 是由 奚岩 陈东梅 于 2021-09-08 设计创作，主要内容包括：本发明公开了一种灵敏度高的C形臂CT设备,属于光电影像领域,一种灵敏度高的C形臂CT设备,包括CT探测器组件,CT探测器组件包括有探测器防护壳,柔性伸缩屏蔽圈外端连接有多个与其相配合的承力缓冲组件,可以通过承力缓冲组件、柔性伸缩屏蔽圈和隔离式推动组件的配合能够有效在对X光线接收板进行干扰阻隔的同时,辅助冷却器促进X光线接收板进行散热,有效减低温度对X光线接收板的干扰程度,进而提高X光线接收板信号转化的稳定性,提高CT探测器组件的灵敏性,有效提高C形臂CT设备本体的图像质量,能够有效降低X光线的能量,降低C形臂CT设备本体对患者身体造成的损伤,提高C形臂CT设备本体的安全性。(The invention discloses a C-shaped arm CT device with high sensitivity, belonging to the field of photoelectric images, and the C-shaped arm CT device with high sensitivity comprises a CT detector component, wherein the CT detector component comprises a detector protective shell, the outer end of a flexible telescopic shielding ring is connected with a plurality of bearing buffer components matched with the flexible telescopic shielding ring, and the bearing buffer components, the flexible telescopic shielding ring and an isolation type pushing component are matched to effectively disturb and block an X ray receiving plate, and simultaneously, an auxiliary cooler promotes the X ray receiving plate to dissipate heat, effectively reduces the disturbance degree of temperature to the X ray receiving plate, further improves the stability of signal conversion of the X ray receiving plate, improves the sensitivity of the CT detector component, effectively improves the image quality of a C-shaped arm CT device body, can effectively reduce the energy of X rays, and reduces the damage of the C-shaped arm CT device body to the body of a patient, the safety of the C-shaped arm CT equipment body is improved.)

1. The utility model provides a C shape arm CT equipment that sensitivity is high, includes C shape arm CT equipment body (1) and installs CT detector subassembly (2) on C shape arm CT equipment body (1), its characterized in that: the CT detector assembly (2) comprises a detector protective shell (201), the detector protective shell (201) is fixedly mounted on a C-shaped arm CT equipment body (1), a component mounting frame (204) is fixedly mounted on the inner wall of the detector protective shell (201), a cooler (6) is mounted at the upper end of the component mounting frame (204), an optical signal conversion assembly (203) is mounted at the upper end of the cooler (6), an X-ray receiving plate (202) is mounted at the upper end of the optical signal conversion assembly (203), a detector lens cover (3) located at the outer side of the optical signal conversion assembly (203) is fixedly mounted at the upper end of the component mounting frame (204), a detector lens group (301) matched with the X-ray receiving plate (202) is fixedly mounted at the upper end of the detector lens cover (3), and a flexible shielding ring (5) located at the outer side of the optical signal conversion assembly (203) is slidably connected to the upper end of the cooler (6), the upper end and the lower end of a flexible telescopic shielding ring (5) are respectively abutted against an X-ray receiving plate (202) and a cooler (6), the outer end of the flexible telescopic shielding ring (5) is connected with a plurality of bearing buffer components (4) matched with the flexible telescopic shielding ring, and the inner wall of the detector lens cover (3) is connected with a plurality of isolated pushing components (7) matched with the bearing buffer components (4);

the bearing buffer component (4) comprises a guide shaping vertical plate (403), the lower end of the X ray receiving plate (202) is connected with a plurality of guide shaping vertical plates (403) in a sliding way, one end of the guide shaping vertical plate (403) far away from the flexible telescopic shielding ring (5) is fixedly connected with a flexible buffer column row (401), one end of the guide shaping vertical plate (403) close to the flexible telescopic shielding ring (5) is fixedly connected with a deformation pressurizing column row (402), one end of the deformation pressurizing column row (402) close to the flexible telescopic shielding ring (5) is fixedly connected with a plurality of bearing strips (404), and the other end of the bearing strip (404) is fixedly connected with the flexible telescopic shielding ring (5), the lower end of the X-ray receiving plate (202) is provided with a plurality of air-permeable long sliding holes (205) matched with the guide shaping vertical plate (403), and a one-way air-permeable film is fixedly connected inside the air-permeable long sliding holes (205);

isolated promotion subassembly (7) is including supporting barre (702), a plurality of supporting barres (702) of detector lens cover (3) inner wall fixedly connected with, supporting barre (702) are close to load buffering subassembly (4) one end fixedly connected with air drum blowing power arc bag piece (701), a plurality of inductance branch bars of air drum blowing power arc bag piece (701) inside fixedly connected with, a plurality of toper gas pockets have been seted up near load buffering subassembly (4) one end in air drum blowing power arc bag piece (701).

2. A C-arm CT apparatus with high sensitivity according to claim 1, wherein: a plurality of deformation squeezing and pushing branches (406) are fixedly connected between the flexible buffer column row (401) and the deformation pressurizing column row (402), the outer ends of the deformation squeezing and pushing branches (406) are fixedly connected with one-way expansion ball beads (405), and one end, close to the deformation pressurizing column row (402), of the one-way expansion ball beads (405) is a flexible heat absorption end.

3. A C-arm CT apparatus with high sensitivity according to claim 1, wherein: the upper end of the air-blowing arc-shaped bag block (701) is fixedly connected with a visible light adsorption layer, and the visible light adsorption layer is obliquely arranged.

4. A C-arm CT apparatus with high sensitivity according to claim 1, wherein: the upper end of the cooler (6) is fixedly connected with a cooling vertical plate (601), and the cooling vertical plate (601) wraps the outer side of the X-ray receiving plate (202) and is abutted against the X-ray receiving plate.

5. A C-arm CT apparatus with high sensitivity as claimed in claim 4, wherein: a plurality of cooling through grooves (602) are formed in one side, close to the flexible telescopic shielding ring (5), of the cooling vertical plate (601), and the cooling through grooves (602) are vertically communicated.

6. A C-arm CT apparatus with high sensitivity as claimed in claim 5, wherein: the cooler (6) is provided with a plurality of heat discharge holes, and unidirectional breathable films are fixedly connected in the heat discharge holes.

Technical Field

The invention relates to the field of photoelectric images, in particular to a C-shaped arm CT device with high sensitivity.

Background

With the continuous progress of medical technology and the rapid development of precise medical treatment, the medical industry has made higher requirements on medical imaging technology, wherein the wide application of the C-arm CT device can provide more precise medical imaging assistance for the current medical technology, and the C-arm CT device is applied to a plurality of medical departments such as patient intervention, orthopedic imaging, trauma, plastic surgery, urology and the like in a non-invasive manner.

The imaging accuracy of the C-arm CT apparatus directly affects the diagnosis of the doctor, so it is required to have higher image quality and good resolution, and the most direct way is to improve the image quality of the C-arm CT apparatus by improving the X-ray imaging energy, but the high-intensity X-ray radiation is easy to damage the body of the patient, and reduces the safety of the patient in CT detection. The CT detector is one of the core components of the C-arm CT apparatus, and is called as "eye of CT", and the sensitivity of the CT detector directly affects the image output accuracy of the C-arm CT apparatus, so how to improve the sensitivity of the CT detector is one of the current primary problems.

In the in-service use process, the CT detector very easily receives external light, the vibration, the interference of magnetic field and electric field, and then can not effectively stabilize its detection precision, influence subsequent image quality, prior art adopts sealed alloy box to wrap up the isolation to the internals of CT detector, in order to reach the effect that the separation disturbed, but sealed alloy box when the separation disturbed, the inside heat dissipation that is enough for the component of direct influence CT detector, easily reduce the sensitivity of CT detector in long-time use, and then can not reach the purpose that improves the figure quality effectively.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a high-sensitivity C-shaped arm CT device, which can effectively interfere and block an X-ray receiving plate and simultaneously promote the X-ray receiving plate to dissipate heat by an auxiliary cooler through the cooperation of a bearing buffer component, a flexible telescopic shielding ring and an isolation type pushing component, so that the interference degree of temperature on the X-ray receiving plate is effectively reduced, the signal conversion stability of the X-ray receiving plate is further improved, the sensitivity of a CT detector component is improved, the image quality of the C-shaped arm CT device body is effectively improved, the energy of X rays can be effectively reduced, the damage of the C-shaped arm CT device body to the body of a patient is reduced, and the safety of the C-shaped arm CT device body is improved.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A C-shaped arm CT device with high sensitivity comprises a C-shaped arm CT device body and a CT detector assembly arranged on the C-shaped arm CT device body, wherein the CT detector assembly comprises a detector protective shell, the C-shaped arm CT device body is fixedly provided with the detector protective shell, a component mounting frame is fixedly arranged on the upper inner wall of the detector protective shell, a cooler is arranged at the upper end of the component mounting frame, an optical signal conversion assembly is arranged at the upper end of the cooler, an X-ray receiving plate is arranged at the upper end of the optical signal conversion assembly, a detector lens cover positioned outside the optical signal conversion assembly is fixedly arranged at the upper end of the component mounting frame, a detector lens group matched with the X-ray receiving plate is fixedly arranged at the upper end of the detector lens cover, and a flexible shielding ring positioned outside the optical signal conversion assembly is slidably connected with the upper end of the cooler, and the upper end and the lower end of the flexible telescopic shielding ring are respectively abutted against the X-ray receiving plate and the cooler, the outer end of the flexible telescopic shielding ring is connected with a plurality of bearing buffer components matched with the flexible telescopic shielding ring, the inner wall of the detector lens cover is connected with a plurality of isolated pushing components matched with the bearing buffer components, the flexible telescopic shielding ring and the isolated pushing components are matched to effectively disturb and separate the X-ray receiving plate, the auxiliary cooler promotes the X-ray receiving plate to dissipate heat, effectively reduces the disturbance degree of temperature to the X-ray receiving plate, further improves the stability of signal conversion of the X-ray receiving plate, improves the sensitivity of the CT detector component, effectively improves the image quality of the C-shaped arm CT equipment body, can effectively reduce the energy of X-rays, and reduces the damage of the C-shaped arm CT equipment body to the body of a patient, the safety of the C-shaped arm CT equipment body is improved.

Furthermore, the force bearing buffer component comprises a guide shaping vertical plate, the lower end of the X ray receiving plate is connected with a plurality of guide shaping vertical plates in a sliding way, one end of the guide shaping vertical plate, which is far away from the flexible telescopic shielding ring, is fixedly connected with a flexible buffer column row, one end of the guide shaping vertical plate close to the flexible telescopic shielding ring is fixedly connected with a deformation pressurizing column row, one end of the deformation pressurizing column row close to the flexible telescopic shielding ring is fixedly connected with a plurality of bearing strips, the other end of each bearing strip is fixedly connected with the flexible telescopic shielding ring, the flexible telescopic shielding ring is connected through the bearing strip, so that the flexible telescopic shielding ring can contract and expand under the pressure of the bearing buffer component, and then adjust the heat dissipation space of X ray dash receiver, increase the active area of X ray dash receiver and cooler, the X ray dash receiver of being convenient for carries out the heat exchange, improves the radiating efficiency of X ray dash receiver.

Further, a plurality of deformation extrusion branches of fixedly connected with between flexible buffering post row and the deformation pressure column row, the branch outer end fixedly connected with one-way expansion ball of branch is pushed in to deformation extrusion, and one-way expansion ball is close to deformation pressure column row one end and is flexible heat absorption end, one-way expansion ball is close to deformation pressure column row one end and can receive the heat conduction in advance, when it is heated the inflation, can make deformation pressure column row produce local deformation, and then drive the deformation that flexible shielding circle produced the removal, extrude the gas between flexible shielding circle and the X ray receiver plate, improve thermal instantaneous mobility, effective supplementary radiating effect.

Furthermore, a plurality of ventilative long slide holes with direction setting riser matched with have been seted up to X light receiver plate lower extreme, the one-way ventilated membrane of ventilative long slide hole inside fixedly connected with can restrict the moving direction of load buffering subassembly through ventilative long slide hole, improves the deformation precision of flexible shielding circle, reduces the production of shearing force, and then improves the life of flexible shielding circle for flexible shielding circle can effectively keep sealed the isolation.

Further, isolated promotion subassembly is including supporting the barre, a plurality of support barres of detector lens cover inner wall fixedly connected with, support the barre and be close to load buffering subassembly one end fixedly connected with air drum blowing power arc cyst piece, effectively realize isolated drive through supporting the barre for load buffering subassembly is direct not just can produce the removal with isolated promotion subassembly contact, and then reduces the transmission of vibrations and electromagnetic field, effectively avoids its influence to the X light receiver plate, improves the stability of X light receiver plate signal conversion.

Further, a plurality of inductance branch bars of the inside fixedly connected with of air drum blowing power arc bag piece, a plurality of toper gas pockets have been seted up near load buffering subassembly one end to air drum blowing power arc bag piece, resume the shrink principle through utilizing inductance branch bar circular telegram inflation outage for air drum blowing power arc bag piece constantly breathes in and gives vent to anger the process, and then drive load buffering subassembly and produce and remove, make load buffering subassembly can drive flexible shielding ring and carry out continuous shrink expansion removal, improve the air flow speed in the X light receiver plate outside, improve the radiating effect, and then reduce the stay of heat in X light receiver plate department, further improve the precision of X light receiver plate.

Further, the air drum blowing force arc-shaped bag block upper end fixedly connected with visible light adsorbed layer, and the visible light adsorbed layer is the slope setting, and the visible light adsorbed layer can adsorb the visible light that gets into in the detector lens cover, reduces its influence to the X ray dash receiver, and then improves the accuracy of signal conversion, improves CT detector assembly's sensitivity.

Furthermore, the upper end of the cooler is fixedly connected with a cooling vertical plate, and the cooling vertical plate is wrapped on the outer side of the X-ray receiving plate and is abutted against the X-ray receiving plate.

Further, the cooling riser is close to flexible shielding circle one side and has seted up a plurality of cooling and lead to the groove, and the cooling leads to the groove and is vertical switch-on, and through the setting that the groove was led to cooling riser and cooling, can be when carrying out quick heat-conduction to the X ray receiver plate, can also lead to the air flow, further improves the efficiency of heat exchange, improves the radiating effect of X ray receiver plate.

Furthermore, a plurality of heat discharge holes are formed in the cooler, and one-way breathable films are fixedly connected in the heat discharge holes.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) this scheme is through load buffering subassembly, the cooperation of flexible shielding circle and isolation formula promotion subassembly can be effectively when disturbing the separation to the X ray dash receiver, the auxiliary cooler promotes the X ray dash receiver and dispels the heat, effectively reduce the interference degree of temperature to the X ray dash receiver, and then improve the stability of X ray dash receiver signal conversion, improve CT detector assembly's sensitivity, effectively improve the image quality of C shape arm CT equipment body, can effectively reduce the energy of X ray, reduce the damage that C shape arm CT equipment body caused to patient's health, improve the security of C shape arm CT equipment body.

(2) Connect flexible shielding circle through the load strip for flexible shielding circle can receive load buffering subassembly's pressure to produce shrink and expand, and then adjusts the heat dissipation space of X ray dash receiver, and the area of action of increase X ray dash receiver and cooler, and the X ray dash receiver of being convenient for carries out the heat exchange, improves the radiating efficiency of X ray dash receiver.

(3) One end of the one-way expansion ball close to the deformation pressurizing column row can be subjected to heat conduction in advance, when the one-way expansion ball is heated to expand, the deformation pressurizing column row can be subjected to local deformation, the flexible shielding ring is driven to generate moving deformation, gas between the flexible shielding ring and the X ray receiving plate is extruded, the thermal instantaneous flowability is improved, and the heat dissipation effect is effectively assisted.

(4) The moving direction of the bearing buffering assembly can be limited through the ventilating long sliding hole, the deformation precision of the flexible telescopic shielding ring is improved, the generation of shearing force is reduced, the service life of the flexible telescopic shielding ring is prolonged, and the flexible telescopic shielding ring can effectively keep sealed isolation.

(5) Effectively realize the isolated drive through the support barre for the force bearing buffering subassembly is not direct just can produce the removal with the contact of isolated promotion subassembly, and then reduces the transmission of vibrations and electromagnetic field, effectively avoids its influence to the X ray receiver plate, improves the stability of X ray receiver plate signal conversion.

(6) Through utilizing the principle that the shrink is resumeed in inductance brace circular telegram inflation outage for the process that the air drum blows the process that power arc bag piece constantly breathed in and gave vent to anger, and then drive load buffering subassembly and produce the removal, make load buffering subassembly can drive flexible shielding circle and carry out continuous shrink expansion removal, improve the air flow speed in the X light receiver plate outside, improve the radiating effect, and then reduce the stay of heat in X light receiver plate department, further improve the precision of X light receiver plate.

(7) The visible light adsorption layer can adsorb the visible light that gets into in the detector lens cover, reduces its influence to the X ray receiver plate, and then improves the accuracy of signal conversion, improves CT detector subassembly's sensitivity.

(8) Through the setting that the groove was led to in cooling riser and cooling, can also lead to the air current flow when carrying out quick heat-conduction effect to the X ray dash receiver, further improve the efficiency of heat exchange, improve the radiating effect of X ray dash receiver.

Drawings

FIG. 1 is a schematic front view of a CT apparatus with a C-arm according to the present invention;

FIG. 2 is a schematic axial view of a CT detector assembly according to the present invention;

FIG. 3 is an exploded view of the CT detector assembly of the present invention;

FIG. 4 is a schematic view of the bearing buffer assembly and flexible telescopic shielding ring matched axial structure of the present invention;

FIG. 5 is a schematic top view cross-sectional structure of the force-bearing cushion assembly and the isolated push assembly of the present invention;

FIG. 6 is a schematic axial view of the force-bearing buffer assembly of the present invention;

FIG. 7 is a schematic top view of a portion of the structure of the one-way expandable ball of the present invention;

FIG. 8 is a schematic top view of a portion of the structure of the unidirectional expansion bead of the present invention shown in the non-activated state;

FIG. 9 is a schematic view of the bottom view axis of the X-ray receiving plate according to the present invention;

fig. 10 is a schematic view of the top structure of the force-bearing buffer component and the flexible telescopic shielding ring of the invention.

The reference numbers in the figures illustrate:

the CT detector comprises a 1C-shaped arm CT equipment body, a 2CT detector component, a 201 detector protective shell, a 202X ray receiving plate, a 203 optical signal conversion component, a 204 component mounting frame, a 205 ventilating long slide hole, a 3 detector lens cover, a 301 detector lens group, a 4 bearing buffer component, a 401 flexible buffer column row, a 402 deformation pressurizing column row, a 403 guiding and shaping vertical plate, a 404 bearing strip, a 405 unidirectional expansion ball, a 406 deformation extrusion pushing branch, a 5 flexible telescopic shielding ring, a 6 cooler, a 601 cooling vertical plate, a 602 cooling through groove, a 7 isolation type pushing component, a 701 air drum blowing force arc-shaped bag block and a 702 supporting bar.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be 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.

Example 1:

referring to fig. 1-10, a C-arm CT apparatus with high sensitivity includes a C-arm CT apparatus body 1 and a CT detector assembly 2 installed on the C-arm CT apparatus body 1, the CT detector assembly 2 includes a detector protective shell 201, the detector protective shell 201 is fixedly installed on the C-arm CT apparatus body 1, a member mounting rack 204 is fixedly installed on an inner wall of the detector protective shell 201, a cooler 6 is installed on an upper end of the member mounting rack 204, an optical signal conversion assembly 203 is installed on an upper end of the cooler 6, an X-ray receiving plate 202 is installed on an upper end of the optical signal conversion assembly 203, a detector lens cover 3 located outside the optical signal conversion assembly 203 is fixedly installed on an upper end of the member mounting rack 204, a detector lens group 301 matched with the X-ray receiving plate 202 is fixedly installed on an upper end of the detector lens cover 3, a flexible shielding ring 5 located outside the optical signal conversion assembly 203 is slidably connected to an upper end of the cooler 6, the flexible telescopic shielding ring 5 is made of isolation composite materials, and is prior art, a person skilled in the art can select a flexible telescopic shielding ring 5 with proper specification, property and cost according to actual needs, no description is given here, the upper end and the lower end of the flexible telescopic shielding ring 5 are respectively abutted against the X ray receiving plate 202 and the cooler 6, the outer end of the flexible telescopic shielding ring 5 is connected with a plurality of bearing buffer components 4 matched with the flexible telescopic shielding ring, the inner wall of the detector lens cover 3 is connected with a plurality of isolated pushing components 7 matched with the bearing buffer components 4, the flexible telescopic shielding ring 5 and the isolated pushing components 7 are matched to effectively promote the heat dissipation of the X ray receiving plate 202 while the interference and the isolation are carried out on the X ray receiving plate 202 by the auxiliary cooler 6, the interference degree of temperature on the X ray receiving plate 202 is effectively reduced, and the signal conversion stability of the X ray receiving plate 202 is further improved, the sensitivity of the CT detector component 2 is improved, the image quality of the C-shaped arm CT equipment body 1 is effectively improved, the energy of X rays can be effectively reduced, the damage of the C-shaped arm CT equipment body 1 to the body of a patient is reduced, and the safety of the C-shaped arm CT equipment body 1 is improved.

Referring to fig. 4-6, the force-bearing buffer assembly 4 includes a guiding and shaping vertical plate 403, the lower end of the X-ray receiving plate 202 is connected with a plurality of guiding and shaping vertical plates 403 in a sliding manner, one end of the guiding and shaping vertical plate 403 far from the flexible shielding ring 5 is fixedly connected with a flexible buffer column row 401, one end of the guiding and shaping vertical plate 403 near the flexible shielding ring 5 is fixedly connected with a deformation pressure-increasing column row 402, one end of the deformation pressure-increasing column row 402 near the flexible shielding ring 5 is fixedly connected with a plurality of force-bearing strips 404, and the other end of the force-bearing strips 404 is fixedly connected with the flexible shielding ring 5, the flexible shielding ring 5 is connected with the force-bearing strips 404, so that the flexible shielding ring 5 can be contracted and expanded under the pressure of the force-bearing buffer assembly 4, further adjust the heat dissipation space of the X-ray receiving plate 202, and increase the effective area of the X-ray receiving plate 202 and the cooler 6, the heat exchange of the X-ray receiving plate 202 is facilitated, and the heat dissipation efficiency of the X-ray receiving plate 202 is improved. Referring to fig. 6-8, a plurality of deformation pushing branches 406 are fixedly connected between the flexible buffer column row 401 and the deformation pressurizing column row 402, the outer ends of the deformation pushing branches 406 are fixedly connected with one-way expansion balls 405, and one ends of the one-way expansion balls 405 close to the deformation pressurizing column row 402 are flexible heat absorbing ends, one ends of the one-way expansion balls 405 close to the deformation pressurizing column row 402 are subjected to heat conduction in advance, when the one-way expansion balls are heated to expand, the deformation pressurizing column row 402 can be locally deformed, and then the flexible shielding ring 5 is driven to deform, so that gas between the flexible shielding ring 5 and the X-ray receiving plate 202 is extruded, the thermal instantaneous fluidity is improved, and the heat dissipation effect is effectively assisted. Referring to fig. 9, the lower end of the X-ray receiving plate 202 is provided with a plurality of ventilation long sliding holes 205 matching with the guide shape-setting vertical plate 403, the ventilation long sliding holes 205 are fixedly connected with a one-way ventilation film, the moving direction of the bearing buffer assembly 4 can be limited by the ventilation long sliding holes 205, the deformation precision of the flexible telescopic shielding ring 5 is improved, the generation of shearing force is reduced, the service life of the flexible telescopic shielding ring 5 is further prolonged, and the flexible telescopic shielding ring 5 can effectively keep sealed isolation.

Referring to fig. 1-3 and 5, the isolated pushing assembly 7 includes a plurality of supporting rods 702, the inner wall of the detector lens cover 3 is fixedly connected with the plurality of supporting rods 702, and isolated driving is effectively implemented through the supporting rods 702, so that the force-bearing buffer assembly 4 can move without directly contacting with the isolated pushing assembly 7, thereby reducing transmission of vibration and electromagnetic field, effectively avoiding influence of the vibration and electromagnetic field on the X-ray receiving plate 202, and improving stability of signal conversion of the X-ray receiving plate 202. Referring to fig. 5, an end of the support bar 702 close to the force-bearing buffer component 4 is fixedly connected with an air-blowing arc-shaped air bag block 701, a plurality of inductance supporting bars are fixedly connected inside the air-blowing arc-shaped air bag block 701, the inductance supporting bars can be made of electroactive polymers, a plurality of conical air holes are formed at the end of the air-blowing arc-shaped air bag block 701 close to the force-bearing buffer component 4, by utilizing the principle that the inductance branch strip is electrified, expanded and cut off to recover from contraction, the arc-shaped air bag block 701 continuously performs the processes of air suction and air outlet, thereby driving the bearing buffer component 4 to move, leading the bearing buffer component 4 to drive the flexible telescopic shielding ring 5 to continuously contract and expand, improving the air flow speed outside the X-ray receiving plate 202, improving the heat dissipation effect, thereby reducing the retention of heat at the X-ray receiving plate 202 and further improving the accuracy of the X-ray receiving plate 202. Referring to fig. 3 and 10, the upper end of the arc-shaped air-blowing bag block 701 is fixedly connected with a visible light adsorption layer, the visible light adsorption layer is obliquely arranged, and the visible light adsorption layer can adsorb visible light entering the detector lens cover 3, so that the influence of the visible light adsorption layer on the X-ray receiving plate 202 is reduced, the signal conversion accuracy is improved, and the sensitivity of the CT detector assembly 2 is improved.

Referring to fig. 2-4, a vertical cooling plate 601 is fixedly connected to the upper end of the cooler 6, and the vertical cooling plate 601 is wrapped on the outer side of the X-ray receiving plate 202 and is abutted against the X-ray receiving plate. Referring to fig. 10, a plurality of cooling through grooves 602 are formed in one side of the cooling vertical plate 601 close to the flexible telescopic shielding ring 5, the cooling through grooves 602 are vertically connected, and through the arrangement of the cooling vertical plate 601 and the cooling through grooves 602, when the X-ray receiving plate 202 is subjected to rapid heat conduction, air flow can be guided, heat exchange efficiency is further improved, and a heat dissipation effect of the X-ray receiving plate 202 is improved. Referring to fig. 10, the cooler 6 is provided with a plurality of heat discharging holes, and a unidirectional air permeable film is fixedly connected in the heat discharging holes.

Referring to fig. 1-10, after the C-arm CT apparatus body 1 is started, an emission source emits X-rays, the CT detector assembly 2 receives the X-rays, the X-rays are converted into optical signals through the detector lens group 301, the X-ray receiving plate 202, and the optical signal conversion assembly 203, and the optical signals are output through the image system of the C-arm CT apparatus body 1, and medical images are formed through the image system of the C-arm CT apparatus body 1, during the use of the CT detector assembly 2, the power supply is continuously switched on and off by the inductance branch in the air-blowing arc-shaped bladder block 701, so that the air-blowing arc-shaped bladder block 701 is powered on and off and then recovered to shrink, and further the air-blowing arc-shaped bladder block 701 is continuously expanded and shrunk, and further, suction and blowing power are applied to the flexible buffer column row 401 through the tapered air holes, so that the flexible buffer column row 401 generates reciprocating movement under the restriction of the guide-setting vertical plate 403 and the air-permeable long sliding hole 205, and drives the flexible telescopic shielding ring 5 to continuously expand and shrink, the space between the flexible telescopic shielding ring 5 and the X ray receiving plate 202 is changed continuously, the gas around the X ray receiving plate 202 can be discharged through the heat discharging hole on the cooler 6, then new air enters from the air permeable long slide hole 205, the cooling vertical plate 601 directly transmits the heat of the X ray receiving plate 202 to the outside, the cooling through groove 602 guides the gas when the air flows, the probability of turbulent flow is reduced, the efficiency of gas exchange is improved, the quick cooling of the X ray receiving plate 202 is effectively realized, the influence of temperature on the X ray receiving plate 202 is reduced, the isolated pushing component 7 is not in direct contact with the bearing buffer component 4, the transmission of vibration and electromagnetic field is effectively avoided, the flexible telescopic shielding ring 5 is not in direct contact with the X ray receiving plate 202, the heat dissipation effect of the X ray receiving plate 202 is effectively improved while the isolation shielding effect is effectively ensured, the stability of X ray receiving plate 202 optical signal conversion process is improved, the sensitivity of CT detector subassembly 2 is improved, the image quality of C shape arm CT equipment body 1 is effectively improved, the energy of X ray can be effectively reduced, the damage that C shape arm CT equipment body 1 caused patient's health is reduced, the security of C shape arm CT equipment body 1 is improved.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.