CN214549410U

CN214549410U - Brain PET scanning device

Info

Publication number: CN214549410U
Application number: CN202022392779.XU
Authority: CN
Inventors: 屈春蕾
Original assignee: Tianjin Tongtou Medical Technology Co ltd
Current assignee: Tianjin Tongtou Medical Technology Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-11-02
Anticipated expiration: 2030-10-23

Abstract

The utility model provides a brain PET scanning device, including scanning bed, PET frame, frame movable slide rail and zip fastener device, the scanning bed is horizontal U type, the scanning bed includes bed board, bed body and link, bed board and bed body are parallel from top to bottom, pass through the link between bed board and the bed body and fix; the bed body is provided with a PET rack through a rack movable slide rail, and the PET rack and the rack movable slide rail are fixed or movable through a zipper device. The axial visual field of the PET detector of the utility model is longer than 0.25 m, and the complete brain PET image of the patient can be obtained by scanning a single bed; the patient can get on or off the bed more easily; the PET rack has no potential electrical safety hazard, and the equipment cost is greatly reduced.

Description

Brain PET scanning device

Technical Field

The utility model mainly relates to a PET scanning field especially relates to a brain PET scanning device.

Background

The traditional whole-body PET or PET/CT complete machine needs to enable a patient to get on or off the bed through a vertical lifting bed body, the scanning of different bed positions is realized through the horizontal movement of a bed plate, the design of the scanning bed is often more complex, and the cost is higher. Published chinese utility model patent, application No. CN201620645421.4, patent name: a head rest for a PET/CT scanning bed, filing date: 2016-06-27, the utility model relates to a head rest for a PET/CT scanning bed, which comprises a head rest arranged on the scanning bed and comprising a bracket, wherein the bracket comprises a positioning plate connected with the scanning bed through a locking device, a head supporting plate arranged upwards at an angle with the positioning plate, and 2 arm supporting plates arranged at two sides of the head supporting plate and upwards at an angle with the head supporting plate; the outer sides of the supporting plate and the supporting arm plate are coated with integrally formed headrests. The utility model discloses limited the relative position of head rest and scanning bed, the influence of patient's head transaction has been reduced, the scanning quality of image has been improved, the posture requirement when having satisfied the patient and carrying out PET/CT scanning, the contained angle that makes patient's hearing eyebrow line EML and scanning bed's horizontal plane is at 90 +/-5 within ranges, so that scanned image obtains more clear brain organizational structure, especially the fourth ventricle under the curtain, the demonstration of base festival is good on the curtain, effectively supported patient's both arms simultaneously, the comfort level has been increased.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a brain PET scanning device, which comprises a scanning bed, a PET frame, a frame movable slide rail and a zipper device, wherein the scanning bed is in a horizontal U shape, the scanning bed comprises a bed plate, a bed body and a connecting end, the bed plate and the bed body are parallel up and down, and the bed plate and the bed body are fixed through the connecting end; the bed body is provided with a PET rack through a rack movable slide rail, and the PET rack and the rack movable slide rail are fixed or movable through a zipper device.

Preferably, the bottom of the PET rack is nested on the rack moving slide rail and integrated with the scanning bed.

Preferably, the PET gantry has a PET detector ring mounted inside.

Preferably, one end of the zipper device is connected with a sliding handle with a locking switch arranged outside the PET rack, and the other end of the zipper device is connected to the rack moving slide rail.

Preferably, the length of the bed plate is smaller than that of the bed body, one side of the bed body and one side of the bed plate are flush, and a rack moving slide rail is installed at the position, protruding out of the bed plate, of the bed body.

Preferably, a head support is arranged on one side of the bed board far away from the connecting end.

Preferably, the height of the bed board from the ground is 0.65m, and the length of the bed board is 1.8 m.

The utility model has the advantages that: the axial visual field of the PET detector is longer > =0.25 m, and a complete brain PET image of a patient can be obtained through single bed scanning, so that the horizontal movement of a bed plate of the scanning bed is not required to be realized through a motor; the height of the bed plate from the ground is reduced by 0.65 meter, so that patients with the height of 1.2 meters or more can get on or off the bed more easily; the movement of the PET rack is realized in a pure mechanical mode, no electric motion control device is provided, no electric potential safety hazard exists, and the equipment cost is greatly reduced.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a diagram illustrating the usage of the present invention;

in the figure, 1, a scanning bed 101, a bed board 102, a bed body 103 and a connecting end; 2. a PET rack; 3. the rack moves the slide rail; 4. a zipper device; 5. a PET detector ring; 6. a sliding handle with a locking switch; 7. a head support.

Detailed Description

In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.

As shown in fig. 1-2, the present invention comprises: the device comprises a scanning bed 1, a PET (polyethylene terephthalate) rack 2, a rack movable slide rail 3 and a zipper device 4, wherein the scanning bed 1 is in a transverse U shape, the scanning bed 1 comprises a bed plate 101, a bed body 102 and a connecting end 103, the bed plate 101 and the bed body 102 are vertically parallel, and the bed plate 101 and the bed body 102 are fixed through the connecting end 103; the bed body 102 is provided with a PET rack 2 through a rack movable slide rail 3, and the PET rack 2 and the rack movable slide rail 3 are fixed or movable through a zipper device 4.

In the present embodiment, the PET gantry 2 is preferably integrated with the scanning bed 1 with its bottom nested on the gantry moving slide 3.

By the arrangement of the structure, the movement of the PET rack is realized in a pure mechanical mode, no electric motion control device is provided, no electric potential safety hazard exists, and the equipment cost is greatly reduced.

In the present embodiment, a PET detector ring 5 is preferably mounted inside the PET gantry 2.

With the above structure, the PET detector ring 5 is installed inside the PET gantry 2, the diameter is 0.28 m to 0.35 m, and the axial scanning field of view > =0.25 m.

In this embodiment, the zipper device 4 is preferably connected at one end to a slide handle 6 with a locking switch mounted outside the PET rack 2 and at the other end to the rack traveling rail 3.

In this embodiment, preferably, the length of the bed plate 101 is less than the length of the bed plate 102, the bed plate 102 is flush with one side of the bed plate 101, and the frame moving slide rail 3 is installed at a position where the bed plate 102 protrudes from the bed plate 101.

With the structure, the top of one side of the outer cover of the PET rack 2 is provided with the sliding handle 6 with the locking switch, the PET rack 2 can be unlocked from the rack movable slide rail 3 by pressing the locking switch through the linkage of the zipper device 4 and the rack movable slide rail 3 so as to horizontally move left and right, and the PET rack 2 can be locked on the rack movable slide rail 3 again after hands are released.

In this embodiment, preferably, a head rest 7 is mounted on a side of the bed plate 101 away from the connecting end 103.

In this embodiment, the height of the bed plate 101 from the ground is preferably 0.65m, and the length of the bed plate 101 is preferably 1.8 m.

By adopting the structure, the scanning bed 1 adopts an integrated fixed design according to the characteristics of the brain PET scanning patient and the ergonomic design requirement, the bed board 101 and the bed body 102 are completely fixed together, the height of the bed board 101 from the ground is 0.65m, patients with the height of 1.2 m or more are mainly aged 40 years and older, and the height of most of the patients is higher than 1.2 m, so that the patients can get on or off the bed conveniently; the length of the bed board 101 is 1.8 meters, the head support 7 with the length of 0.3 meter is additionally arranged, and patients with the height less than or equal to 2.1 meters can be scanned.

In use, the total weight of the PET rack 2 is less than 100 kg, and the bottom of the PET rack 2 is embedded on the rack moving slide rail 3 and integrated with the scanning bed 1; when a patient is scanned, a scanning person firstly assists the patient to lie on the bed board 101 of the scanning bed 1, the head is placed at the center of the head support 7, the head placing position can be adjusted in a mode of aligning the nasal root of the patient with the center line of the lower end of the head support 7, and the head placing position is tied up after the head placing position is completed

The patient head is fixed in the area, then the scanning personnel through holding the slip handle 6 of taking locking switch with PET frame 2 to patient head removal, through observing when finding that the inboard field of vision central marking line of PET detector ring 5 overlaps with head rest lower extreme central line, unclamp locking switch, whole PET frame 2 stop motion, can begin to carry out PET scanning to patient's head this moment.

The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.

Claims

1. The brain PET scanning device is characterized by comprising a scanning bed (1), a PET rack (2), a rack movable slide rail (3) and a zipper device (4), wherein the scanning bed (1) is in a transverse U shape, the scanning bed (1) comprises a bed board (101), a bed body (102) and a connecting end (103), the bed board (101) and the bed body (102) are vertically parallel, and the bed board (101) and the bed body (102) are fixed through the connecting end (103); the bed body (102) is provided with a PET rack (2) through a rack movable slide rail (3), and the PET rack (2) and the rack movable slide rail (3) are fixed or movable through a zipper device (4); the bottom of the PET rack (2) is nested on a rack movable slide rail (3) and is integrated with the scanning bed (1); a PET detector ring (5) is arranged in the PET rack (2); one end of the zipper device (4) is connected with a sliding handle (6) which is arranged outside the PET rack (2) and is provided with a locking switch, and the other end of the zipper device is connected on the rack movable sliding rail (3).

2. The brain PET scanning device of claim 1, wherein: the length of the bed board (101) is smaller than that of the bed body (102), one side of the bed body (102) is flush with one side of the bed board (101), and a rack moving slide rail (3) is installed at the position, protruding out of the bed board (101), of the bed body (102).

3. The brain PET scanning device of claim 2, wherein: a head support (7) is installed on one side, far away from the connecting end (103), of the bed board (101).

4. The brain PET scanning device according to claim 3, characterized in that: the height of the bed board (101) from the ground is 0.65m, and the length of the bed board (101) is 1.8 m.