Detection cabin and animal imaging equipment

By designing axially extended, radially spaced detection chambers and a gradually expanding head fixing assembly in PET equipment, the problems of large lateral dimensions of the detection chamber and chamber interference were solved, achieving miniaturization and high-precision imaging.

CN223817567UActive Publication Date: 2026-01-23湾影科技(深圳)有限公司
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Patent Information

Application Number
CN202423132113.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2026-01-23
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

Existing PET equipment has a large lateral dimension of the detection chamber, which is not conducive to miniaturization design, and the two chambers are prone to mutual interference during imaging, affecting imaging accuracy and quality.

Method used

The testing chamber is designed with two chambers extending axially and spaced radially apart. The head cavity is arranged in a gradually expanding manner, while the body cavities are staggered. It adopts a gradually expanding head fixation component and an anesthetic gas input and output system. The support frame is equipped with a plug-in structure for easy installation and disassembly.

Benefits of technology

The miniaturized design of the detection chamber reduces interference within the chamber, improves imaging accuracy and quality, and simplifies the operation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of nuclear medicine imaging, and discloses a detection cabin and animal imaging equipment, the detection cabin is provided with two cabins, each cabin is used for loading an animal to be imaged, each cabin extends along the axial direction of the detection cabin, and the two cabins are arranged at intervals along the radial direction of the detection cabin. Each cabin is provided with a head cavity and a body cavity, and the head cavity is a gradually-expanded cavity with the width gradually increased; in the radial direction of the detection cabin, the head cavities of the two cabins are correspondingly arranged, the small end of one head cavity corresponds to the large end of the other head cavity, and the body cavities of the two cabins are arranged in a staggered mode. The transverse size of the detection cabin is relatively small, miniaturization design of the whole animal imaging equipment is facilitated, the two cabins in the detection cabin are not prone to interference in the imaging process, and the imaging precision and the imaging quality are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to nuclear medicine imaging technical field especially, relate to a detection cabin and animal imaging equipment. BACKGROUND

[0002] Positron Emission Tomography (PET) is an advanced nuclear medicine imaging technology, which visualizes the metabolic process and detects biological information in the body by detecting the radioactive decay signal of radioactive tracers in the body. PET technology is widely used in early diagnosis and process monitoring of diseases, and helps to understand the occurrence and development mechanism of diseases in depth, explore new treatment methods, and provide useful information for clinical diagnosis and treatment.

[0003] In the PET device, the detection cabin for loading animals is one of the core components, in order to improve the imaging efficiency, the detection cabin is usually double-cabin structure, that is, the detection cabin has two cabin rooms arranged side by side, and in general, the narrow end of the cabin room is used to fix the head of the animal, and the wide end is used to fix the body of the animal. The narrow end of the existing two cabin rooms is correspondingly arranged, and the wide end is correspondingly arranged, which on the one hand makes the transverse size of the whole detection cabin larger, which is not conducive to the miniaturization design of the whole animal imaging equipment, and on the other hand, the two cabin rooms are easy to interfere with each other during imaging. SUMMARY

[0004] The first purpose of the utility model is to provide a detection cabin, the transverse size of the detection cabin is relatively small, which is conducive to the miniaturization design of the whole animal imaging equipment, and the two cabin rooms in the detection cabin are not easy to interfere with each other during imaging, which is conducive to improving the imaging precision and imaging quality.

[0005] The second purpose of the utility model is to provide an animal imaging equipment, the structure of the animal imaging equipment is compact, which is conducive to miniaturization design, and the imaging precision and imaging quality are higher.

[0006] In order to achieve this purpose, the utility model adopts the following technical scheme:

[0007] The utility model discloses a detection cabin, the detection cabin has two cabin rooms, each cabin room is used to load the animal to be imaged, each cabin room is arranged along the axial extension of the detection cabin, two cabin rooms are arranged along the radial direction of the detection cabin, each cabin room has a head cavity and a body cavity, the head cavity is a gradually expanding chamber with gradually increasing width, wherein, in the radial direction of the detection cabin, the head cavities of two cabin rooms are correspondingly arranged, and the small end of one head cavity is correspondingly arranged with the large end of another head cavity, and the body cavities of two cabin rooms are arranged staggered.

[0008] In some embodiments, the small end of the head cavity is provided with a head fixing assembly for fixing the head of the animal to be imaged.

[0009] In some specific embodiments, the small end of the head cavity is provided with a mounting socket, and the head fixing assembly comprises a tooth fixing member, one end of the tooth fixing member being adjustably mounted in the mounting socket; and a head cover, the head cover being inserted into the mounting socket and arranged around the tooth fixing member.

[0010] In some more specific embodiments, the small end of the head cavity is provided with an adjusting long hole, and the tooth fixing member is provided with a plurality of fixing holes arranged at intervals along the extending direction of the adjusting long hole, the tooth fixing member being fixed to the small end of the head cavity by penetrating the adjusting long hole and one of the fixing holes.

[0011] In some embodiments, one end of the detection cabin is provided with an anesthetic gas input pipe and an anesthetic gas output pipe, the detection cabin is further provided with a pipe chamber below the cabin, the detection cabin is further provided with a first flow channel and a second flow channel, the pipe chamber is provided with an anesthetic gas inflow pipe and an anesthetic gas outflow pipe, the anesthetic gas input pipe communicates with the cabin through the anesthetic gas inflow pipe, the first flow channel and the cabin; the anesthetic gas output pipe communicates with the cabin through the anesthetic gas outflow pipe, the second flow channel and the cabin.

[0012] In some specific embodiments, the cabin is provided with an anesthetic gas inlet communicating with the first flow channel and an anesthetic gas outlet communicating with the second flow channel; the small end of the head cavity is provided with a head fixing assembly for fixing the head of the animal to be imaged, the head fixing assembly is provided with a first insertion pipe and a second insertion pipe, the first insertion pipe and the second insertion pipe are respectively inserted into the anesthetic gas inlet and the anesthetic gas outlet.

[0013] The utility model discloses still a kind of animal imaging equipment, including detection cabin and bracket described above, the detection cabin is detachably mounted on the bracket.

[0014] In some embodiments, the detection cabin is provided with a plug convex, and the bracket is provided with a plug hole matched with the plug convex.

[0015] In some specific embodiments, the bracket comprises: a fixing seat, an end face of the fixing seat is provided with the insertion hole, and an outer peripheral wall of the fixing seat is provided with a rotating groove in communication with the insertion hole; a lock ring, the lock ring is rotatably sleeved on the fixing seat, and the fixing seat is provided with a rotating part fitted in the rotating groove; wherein: the insertion protrusion is provided with a lock groove, and when the fixing seat is rotated, the rotating part can slide in the rotating groove and be clamped into the lock groove to lock the detection cabin on the fixing seat.

[0016] In some more specific embodiments, the rotating groove comprises a circumferential groove and an axial groove connected with each other, and the rotating part can slide from the axial groove into the circumferential groove.

[0017] The detection cabin has the beneficial effects that: each cabin chamber is arranged along the axial direction of the detection cabin, two cabin chambers are arranged along the radial direction of the detection cabin, the head cavities of the two cabin chambers are correspondingly arranged, the small end of one head cavity is arranged corresponding to the large end of the other head cavity, and the body cavities are staggered, compared with the arrangement mode of two cabins arranged side by side in the prior art, the detection cabin has a smaller transverse size, and due to the staggered distribution of the body cavities, the two body cavities do not interfere with each other in the imaging process, which is beneficial to improving the imaging quality and imaging accuracy.

[0018] The animal imaging equipment has the beneficial effects that: due to the detection cabin described in the foregoing, the detection cabin has a smaller transverse size, which is beneficial to the miniaturized design of the animal imaging equipment, and due to the staggered distribution of the body cavities of the two cabin chambers of the detection cabin, the two body cavities do not interfere with each other in the imaging process, which is beneficial to improving the imaging quality and imaging accuracy.

[0019] The additional aspects and advantages of the present application will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic view of the detection cabin of the embodiment of the present application;

[0021] Figure 2 is an exploded structural schematic view of the detection cabin of the embodiment of the present application;

[0022] Figure 3 is Figure 2 is an enlarged schematic view of the circle A

[0023] Figure 4 is a cross-sectional schematic view of the detection cabin of the embodiment of the present application;

[0024] Figure 5 is a structural schematic view of the animal imaging equipment of the embodiment of the present application;

[0025] Figure 6 Figure 1 is a schematic diagram of an animal imaging device according to an embodiment of the present application.

[0026] Reference signs:

[0027] 100, detection cabin; 101, cabin; 1011, head cavity; 1012, body cavity; 102, mounting jack; 103, adjusting long hole; 104, pipeline chamber; 105, first flow channel; 106, second flow channel; 107, anesthetic gas inlet; 108, anesthetic gas outlet; 110, cover shell; 120, main body; 130, bottom shell; 140, end plate; 141, anesthetic gas input pipe; 142, anesthetic gas output pipe; 143, plug-in protrusion; 1431, lock groove; 150, head fixing assembly; 151, tooth fixing piece; 1511, fixing hole; 152, head cover; 1521, first cannula; 1522, second cannula; 170, anesthetic gas inflow pipe; 180, anesthetic gas outflow pipe;

[0028] 200, support; 210, fixing seat; 211, plug-in hole; 212, rotating groove; 2121, circumferential groove; 2122, axial groove; 220, lock ring; 221, rotating part. DETAILED DESCRIPTION

[0029] The present application will be further described below in conjunction with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present application, and not to limit the present application. In addition, it should be noted that, in order to facilitate the description, only the parts related to the present application are shown in the drawings, not all the structures.

[0030] In the description of the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] In the description of the embodiments, the terms "upper", "lower", "left", "right", "front", "back" and the like orientation or position relationship are based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0032] Reference will be made to Figures 1-4 The specific structure of the detection cabin 100 of the embodiments of the utility model is described.

[0033] The utility model discloses a kind of detection cabin 100, reference Figures 1-2 As shown in the drawing, the detection cabin 100 has two cabins 101, each cabin 101 is used to load animal to be imaged, each cabin 101 is arranged along the axial extension of the detection cabin 100, two cabins 101 are arranged along the radial direction of the detection cabin 100, each cabin 101 has head cavity 1011 and body cavity 1012, head cavity 1011 is gradually expanding chamber gradually increasing in width. In the radial direction of the detection cabin 100, the head cavity 1011 of two cabins 101 is correspondingly arranged, and the small end of one head cavity 1011 is arranged corresponding to the large end of another head cavity 1011, the body cavity 1012 of two cabins 101 is staggered arrangement. It can be understood that each cabin 101 is arranged along the axial extension of the detection cabin 100, two cabins 101 are arranged along the radial direction of the detection cabin 100, the head cavity 1011 of two cabins 101 is correspondingly arranged, and the small end of one head cavity 1011 is arranged corresponding to the large end of another head cavity 1011, and the body cavity 1012 is staggered arrangement, compared with the arrangement mode of two cabins parallel in the prior art, the detection cabin 100 of the embodiment has smaller transverse dimension, and due to the staggered distribution of the body cavity 1012, two body cavities 1012 do not interfere with each other in the imaging process, which is beneficial to improve the imaging quality and imaging accuracy.

[0034] Reference Figure 2 As shown in the drawing, the detection cabin 100 includes cover shell 110, main body 120, bottom shell 130 and end plate 140, cover shell 110 and bottom shell 130 are respectively buckled on the top and bottom of main body 120, and end plate 140 is installed on the end of main body 120. The side of main body 120 towards cover shell 110 is provided with cabin 101. This splicing type structure facilitates the manufacture and assembly of detection cabin 100, is beneficial to simplify the manufacturing process of detection cabin 100, and reduce the manufacturing cost of detection cabin 100.

[0035] Reference Figure 2As shown, the small end of the head cavity 1011 is provided with a head fixing assembly 150 for fixing the head of the animal to be imaged. It can be understood that in actual work, the animal to be imaged can be fixed in the cabin 101 by the head fixing assembly 150, facilitating imaging.

[0036] Optionally, referring to Figure 3 As shown, the small end of the head cavity 1011 is provided with a mounting socket 102, the head fixing assembly 150 includes a tooth fixing piece 151 and a head cover 152, one end of the tooth fixing piece 151 is adjustably mounted in the mounting socket 102, and the head cover 152 is inserted into the mounting socket 102 and surrounds the tooth fixing piece 151. It can be understood that the adjustably mounted one end of the tooth fixing piece 151 in the mounting socket 102 can adjust the position of the tooth fixing piece 151 according to the size of the animal to be imaged, so that animals of different sizes can be stably fixed in the cabin 101. The head cover 152 is installed by insertion, without the use of screws or other connecting parts, and is convenient to install and disassemble.

[0037] Further optionally, the small end of the head cavity 1011 is provided with an adjusting long hole 103, the tooth fixing piece 151 is provided with a plurality of fixing holes 1511 spaced along the extension direction of the adjusting long hole 103, and the fixing piece passes through the adjusting long hole 103 and one of the plurality of fixing holes 1511 to fix the tooth fixing piece 151 to the small end of the head cavity 1011. It can be understood that in actual adjustment, the position of the tooth fixing piece 151 in the mounting socket 102 is adjusted according to the size of the animal to be imaged, and after adjustment, the head cover 152 is inserted into the mounting socket 102, and then the fixing piece is used to pass through the adjusting long hole 103, the head cover 152 and one of the plurality of fixing holes 1511 to complete the installation. This adjustment method not only facilitates the adjustment of the tooth fixing piece 151, but also helps to improve the connection stability of the entire head fixing assembly 150 and the head cavity 1011. In this embodiment, the fixing piece can be a screw or a pin, which can be selected according to actual needs. Of course, in other embodiments of the present application, the tooth fixing piece 151 can be connected to the small end of the head cavity 1011 through threads, that is, the mounting socket 102 includes a threaded hole and a light hole, the light hole is inserted into the head cover 152, and the threaded hole is connected to the tooth fixing piece 151. Thus, the adjustment mode of the tooth fixing piece 151 can be selected according to actual needs, and is not limited to the above description.

[0038] Optionally, referring to Figures 3-4As shown, the end plate 140 is provided with an anesthetic gas input pipe 141 and an anesthetic gas output pipe 142, the main body 120 is further provided with a pipeline chamber 104 located below the cabin 101, and the main body 120 is further provided with a first flow channel 105 and a second flow channel 106, the pipeline chamber 104 is provided with an anesthetic gas inflow pipe 170 and an anesthetic gas outflow pipe 180, and the anesthetic gas input pipe 141 is communicated with the cabin 101 through the anesthetic gas inflow pipe 170 and the first flow channel 105; the anesthetic gas output pipe 142 is communicated with the cabin 101 through the anesthetic gas outflow pipe 180 and the second flow channel 106. It can be understood that, in order to avoid errors caused by the movement of the animal to be imaged during the imaging process, the animal to be imaged needs to be anesthetized, and the operation of external anesthesia is relatively complex, in the embodiment, the anesthetic gas input pipe 141 and the anesthetic gas output pipe 142 are arranged on the end plate 140, and the first flow channel 105 and the second flow channel 106 are arranged on the main body 120, so that the anesthetic gas of the external anesthetic gas source can enter the cabin 101 through the anesthetic gas input pipe 141, the anesthetic gas inflow pipe 170 and the first flow channel 105 in sequence, and return to the external anesthetic gas source through the second flow channel 106, the anesthetic gas outflow pipe 180 and the anesthetic gas output pipe 142 in sequence, so as to realize the circulation of the anesthetic gas. Thus, after the animal to be imaged is fixed in the cabin 101, the detection cabin 100 is installed on the animal imaging equipment, the external anesthetic gas source is connected with the anesthetic gas inflow pipe 170 and the anesthetic gas outflow pipe 180 through the trachea, and in the imaging process, the anesthetic gas can enter the cabin 101 to anesthetize the animal to be imaged only by opening the air valve on the external anesthetic gas source, so that the operation is convenient.

[0039] Optionally, with reference to Figures 3-4 As shown, the cabin 101 is provided with an anesthetic gas inlet 107 communicated with the first flow channel 105 and an anesthetic gas outlet 108 communicated with the second flow channel 106; the small end of the head cavity 1011 is provided with a head fixing assembly 150, the head fixing assembly 150 is used for fixing the head of the animal to be imaged, and the head fixing assembly 150 is provided with a first cannula 1521 and a second cannula 1522, the first cannula 1521 and the second cannula 1522 are respectively inserted into the anesthetic gas inlet 107 and the anesthetic gas outlet 108. It can be understood that, in the anesthesia process, the anesthetic gas can enter the head cover 152 through the first cannula 1521 and then exit the head cover 152 from the second cannula 1522, which is conducive to concentrating the anesthetic gas at the corresponding position of the head of the animal to be imaged, and is conducive to improving the anesthesia efficiency and saving the amount of anesthetic gas.

[0040] Reference will be made to Figures 5-6 The specific structure of the animal imaging equipment in the embodiment of the utility model is described.

[0041] The utility model discloses an animal imaging equipment, with reference to Figures 5-6As shown, the animal imaging device comprises the detection cabin 100 and the bracket 200, and the detection cabin 100 is detachably mounted on the bracket 200. Due to the detection cabin 100 described above, the detection cabin 100 has a smaller transverse size, which is beneficial to the miniaturization design of the animal imaging device, and due to the staggered distribution of the two body cavities 1012 of the two cabin rooms 101 of the detection cabin 100, the two body cavities 1012 do not interfere with each other during the imaging process, which is beneficial to improve the imaging quality and imaging accuracy.

[0042] Reference Figure 5 As shown, the detection cabin 100 is provided with a plug protrusion 143, and the bracket 200 is provided with a plug hole 211 matched with the plug protrusion 143. It can be understood that in the actual assembly process, after the animal to be imaged is loaded into the detection cabin 100, the detection cabin 100 only needs to be inserted into the bracket 200, so that the plug protrusion 143 is inserted into the plug hole 211, and the connection of the two is realized by plug-in mode, which can realize the quick installation and disassembly of the detection cabin 100.

[0043] Optionally, the bracket 200 comprises a fixing seat 210 and a lock ring 220, the end face of the fixing seat 210 is provided with a plug hole 211, the outer peripheral wall of the fixing seat 210 is provided with a rotating groove 212 communicated with the plug hole 211, the lock ring 220 is rotatably sleeved on the fixing seat 210, the fixing seat 210 is provided with a rotating part 221 matched in the rotating groove 212, the plug protrusion 143 is provided with a lock groove 1431, and when the fixing seat 210 is rotated, the rotating part 221 can slide in the rotating groove 212 and be clamped into the lock groove 1431 to lock the detection cabin 100 on the fixing seat 210. It can be understood that in the actual assembly process, after the animal to be imaged is loaded into the detection cabin 100, the detection cabin 100 only needs to be inserted into the fixing seat 210, so that the plug protrusion 143 is inserted into the plug hole 211, and then the lock ring 220 on the fixing seat 210 is rotated, so that the rotating part 221 on the lock ring 220 can be clamped into the lock groove 1431 to lock the detection cabin 100 on the fixing seat 210, which avoids the instability phenomenon after the detection cabin 100 is installed. When it is necessary to replace the detection cabin 100, the lock ring 220 only needs to be rotated again to unlock the detection cabin 100, and then the detection cabin 100 is pulled out, which is also very convenient to operate.

[0044] Optionally, the rotating groove 212 comprises a circumferential groove 2121 and an axial groove 2122 connected with each other, and the rotating part 221 can slide from the axial groove 2122 into the circumferential groove 2121. It can be understood that in the assembly process, the rotating part 221 can be inserted into the axial groove 2122 along the axial direction of the fixing seat 210, and the rotating part 221 can slide from the axial groove 2122 into the circumferential groove 2121. Compared with the direct clamping mode, the rotating groove 212 is provided in the structure of a type L-shaped groove, which facilitates the installation and disassembly of the lock ring 220.

[0045] Optionally, the plug-in protrusions 143 on the detection cabin 100 are two and symmetrically arranged, and two rotating parts 221 are arranged on the locking ring 220 corresponding to the plug-in protrusions 143. Thus, the mounting stability of the detection cabin 100 relative to the support 200 is improved.

[0046] In the description of the present specification, the description referring to the terms "some embodiments", "other embodiments", and the like means that the specific features, structures, materials or characteristics described in connection with the embodiments or examples are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0047] Obviously, the above embodiments of the present application are only for clear illustration of the present application, and are not a limitation on the embodiments of the present application. For those skilled in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the scope of the present application. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent substitution and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A testing chamber, characterized in that, The detection chamber has two compartments (101), each of which is used to load the animal to be imaged. Each compartment (101) extends along the axial direction of the detection chamber, and the two compartments (101) are arranged radially apart. Each compartment (101) has a head cavity (1011) and a body cavity (1012). The head cavity (1011) is a gradually expanding cavity with a gradually increasing width. In the radial direction of the detection chamber, the head cavities (1011) of the two compartments (101) are arranged correspondingly, and the small end of one head cavity (1011) corresponds to the large end of the other head cavity (1011). The body cavities (1012) of the two compartments (101) are staggered.

2. The detection chamber according to claim 1, characterized in that, The small end of the head cavity (1011) is provided with a head fixing component (150), which is used to fix the head of the animal to be imaged.

3. The detection chamber according to claim 2, characterized in that, The small end of the head cavity (1011) has a mounting hole (102), and the head fixing assembly (150) includes: A dental fixation member (151), one end of which is adjustablely installed in the mounting hole (102); A head cover (152) is inserted into the mounting hole (102) and is disposed around the dental fixation member (151).

4. The detection chamber according to claim 3, characterized in that, The head cavity (1011) is provided with an adjustment elongated hole (103) at its small end, and the dental fixation member (151) is provided with a plurality of fixing holes (1511) spaced apart along the extension direction of the adjustment elongated hole (103). The fixation member passes through the adjustment elongated hole (103) and one of the plurality of fixing holes (1511) to fix the dental fixation member (151) to the small end of the head cavity (1011).

5. The detection chamber according to claim 1, characterized in that, The detection chamber has an anesthetic gas input pipe (141) and an anesthetic gas output pipe (142) at one end. The detection chamber also has a pipe chamber (104) located below the chamber (101). The detection chamber also has a first flow channel (105) and a second flow channel (106). The pipe chamber (104) is provided with an anesthetic gas inflow pipe (170) and an anesthetic gas outflow pipe (180). The anesthetic gas input pipe (141) is connected to the chamber (101) through the anesthetic gas inflow pipe (170) and the first flow channel (105). The anesthetic gas output pipe (142) is connected to the chamber (101) through the anesthetic gas outflow pipe (180) and the second flow channel (106).

6. The detection chamber according to claim 5, characterized in that, The chamber (101) has an anesthetic gas inlet (107) communicating with the first flow channel (105) and an anesthetic gas outlet (108) communicating with the second flow channel (106); the small end of the head cavity (1011) is provided with a head fixation assembly (150), which is used to fix the head of the animal to be imaged. The head fixation assembly (150) has a first cannula (1521) and a second cannula (1522), which are respectively inserted into the anesthetic gas inlet (107) and the anesthetic gas outlet (108).

7. An animal imaging device, characterized in that, The test chamber and bracket (200) as described in any one of claims 1-6 are included, wherein the test chamber is detachably mounted on the bracket (200).

8. The animal imaging device according to claim 7, characterized in that, The detection chamber is provided with a plug-in protrusion (143), and the bracket (200) is provided with a plug-in hole (211) that mates with the plug-in protrusion (143).

9. The animal imaging device according to claim 8, characterized in that, The support (200) includes: A fixed base (210) is provided with the insertion hole (211) on its end face, and a rotating groove (212) communicating with the insertion hole (211) is provided on the outer peripheral wall of the fixed base (210). A locking ring (220) is rotatably fitted onto the fixed base (210), and the fixed base (210) is provided with a rotating part (221) that engages with the rotating groove (212); wherein: The insertion protrusion (143) is provided with a locking groove (1431). When the fixed base (210) is rotated, the rotating part (221) can slide in the rotating groove (212) and engage with the locking groove (1431) to lock the detection chamber on the fixed base (210).

10. The animal imaging device according to claim 9, characterized in that, The rotating groove (212) includes a connected circumferential groove (2121) and an axial groove (2122), and the rotating part (221) can slide from the axial groove (2122) into the circumferential groove (2121).