CN112914595A

CN112914595A - SPECT probe position limiting protection device

Info

Publication number: CN112914595A
Application number: CN202110385700.7A
Authority: CN
Inventors: 黄清明; 范世雄; 李想; 姚旭峰
Original assignee: Shanghai University of Medicine and Health Sciences
Current assignee: Shanghai University of Medicine and Health Sciences
Priority date: 2021-04-10
Filing date: 2021-04-10
Publication date: 2021-06-08

Abstract

The invention relates to the technical field of medical imaging instruments and discloses a SPECT probe position limiting and protecting device which comprises a detector, wherein a moving groove is formed in the front side of the detector, a moving block is sleeved in the moving groove in a sliding mode, a probe is fixedly connected to the front side of the moving block, limiting blocks are fixedly connected to the left side and the right side of the probe, a base is fixedly connected to the bottom of the detector, a display screen is fixedly connected to the front side of the base, a slide way is formed in the front side of the base, and a protecting device is arranged in the slide way. This SPECT probe position limit protection device because downside limiting plate moves right, and the rotor plate rotates and cup joints the surface at the dead lever, and then the upside limiting plate can not move right, and then the power left of upside limiting plate makes the probe static, and then realizes that the condition of removing out the maximum limit can not appear in the probe to avoid causing the damage to the machine, and then effectively improved the life of surveying machine, and then very big economic loss that has reduceed.

Description

SPECT probe position limiting protection device

Technical Field

The invention relates to the technical field of medical imaging instruments, in particular to a SPECT probe position limiting and protecting device.

Background

The SPECT probe is a gamma ray detection device, which consists of a collimator, a scintillation crystal, a photomultiplier and a front-end electronic circuit, wherein the collimator limits the incidence direction of gamma rays, only the gamma rays with the incidence direction meeting certain conditions can enter from the front end face of the scintillation crystal and irradiate on the scintillation crystal, the traditional translation seat movement limiting mode ensures that the movement of the translation seat does not exceed the limit of the maximum stroke through software limiting or hardware limiting in the use process of the conventional SPECT probe, when the detector is used for a long time, faults can occur, such as the software for controlling the probe limiting is out of control and the like, generally most of the conventional SPECT probes do not have the position limiting protection function, and when the soft and hard limiting fails, the equipment is easy to fail, and the probe can move out of the maximum limit, thereby causing damage to the machine, the service life of the machine is reduced, and further, the greater economic loss is increased.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the SPECT probe position limiting protection device which has the advantages that the probe cannot move out of the maximum limit, the damage to a machine is avoided, and the like, and the problem that the probe can move out of the maximum limit to damage the machine is solved.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a SPECT probe position limit protection device, includes the detection machine, the front side of detection machine is opened and is equipped with the shifting chute, and the movable block has been cup jointed in the inside slip of shifting chute, and the front side fixedly connected with probe of movable block, the equal fixedly connected with stopper in the left and right sides of probe, the bottom fixedly connected with base of detection machine, the front side fixedly connected with display screen of base, the front side of base is opened and is equipped with the slide, and the inside of slide is provided with protection device.

Preferably, the number of the moving grooves is two, and the structures on the two moving grooves are arranged in a mirror image mode.

Preferably, the protection device includes the slider, and slider sliding connection is in the inside of slide, the first spring of left side fixedly connected with of slider, and the left end fixed connection of first spring is in the interior left side of slide, the front side fixedly connected with limiting plate of slider, the right side of limiting plate are seted up flutedly, and the inside fixedly connected with dwang of recess, the quantity of slide are two, and two slides are seted up respectively at the upper and lower both ends of base front side, and the structure on two slides is the same, and the left end fixedly connected with second spring of upside limiting plate, the left end fixedly connected with rubber sleeve of second spring, the front end fixedly connected with dead lever of base, the rotor plate has been cup jointed in the surface rotation of dead.

Preferably, the shape of rubber sleeve is the square, and the inside of rubber sleeve is cavity and does not have the right side surface, and the rubber sleeve slides and cup joints the surface at the limiting plate.

Preferably, the front side of rotor plate is opened and is equipped with the passageway, and the quantity of passageway is two, and the dwang on two limiting plates slides respectively to cup joint in the inside of two passageways.

Preferably, the structures on the left and right sides of the base are arranged in mirror image.

(III) advantageous effects

Compared with the prior art, the invention provides a SPECT probe position limiting protection device, which has the following beneficial effects:

1. the SPECT probe position limiting protection device drives the limiting block to move rightwards when the probe moves to detect, the limiting block drives the rotating plate to move rightwards under the action of the force of the limiting block, the upper end of the rotating plate drives the upper limiting plate to move now, the upper end of the rotating plate drives the upper limiting plate to move leftwards when moving leftwards, the rubber sleeve is contacted with the right side of the probe, the left force of the left end of the upper limiting plate brings a barrier to the probe, the rotating plate is rotatably sleeved on the surface of the fixed rod due to the fact that the lower limiting plate moves rightwards, the upper limiting plate cannot move rightwards, the force of the upper limiting plate enables the probe to be static, the situation that the probe moves out of the maximum limit is avoided, and damage to a machine is avoided, thereby effectively prolonging the service life of the detector and greatly reducing the economic loss.

2. This SPECT probe position limit protection device, two limiting plates drive the slider when removing in the inside of slide, and then the first spring of downside receives the pulling force of downside slider and is tensile state, and the first spring of upside receives the pressure of upside slider and is compression state, because the elasticity of first spring is great, and then the elasticity of first spring has played the cushioning effect, receives a resistance when making the probe move to the right, and then effectually plays position limiting displacement to the probe.

3. This SPECT probe position limit protection device, the material of rubber sleeve is soft, and the rubber sleeve is mutual with the probe contact back, and then the second spring receives the extrusion of probe and the spacing board of upside and forms compression state, and then has avoided leaving the vestige on the surface of probe because of the upside limiting plate is great to the resistance of probe to effectual guard action has been played the probe.

4. This SPECT probe position limit protection device because the dwang on two limiting plates slides respectively and cup joints the inside at two passageways, and then the rotor plate has increased the space of the dwang of rotor plate and upper and lower both sides when rotating, and then has avoided the rotor plate to be blocked when rotating to effectual auxiliary device has been played for the device.

Drawings

FIG. 1 is a schematic structural diagram of a SPECT probe position limiting protection device of the present invention;

FIG. 2 is a schematic diagram of a moving block structure according to the present invention;

FIG. 3 is an enlarged view of A of FIG. 2 according to the present invention;

fig. 4 is a schematic view of the internal structure of the rubber boot of the present invention.

In the figure: the device comprises a detector 1, a base 2, a moving groove 3, a moving block 4, a probe 5, a slideway 6, a first spring 7, a sliding block 8, a limiting plate 9, a second spring 10, a rubber sleeve 11, a groove 12, a rotating rod 13, a fixed rod 14, a rotating plate 15, a channel 16, a limiting block 17 and a display screen 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a new technical solution: a SPECT probe position limit protection device comprises a detector 1, wherein the detector 1 is an existing device, too much explanation is not done here, a moving groove 3 is arranged at the front side of the detector 1, a moving block 4 is sleeved in the moving groove 3 in a sliding mode, a probe 5 is fixedly connected to the front side of the moving block 4, limit blocks 17 are fixedly connected to the left side and the right side of the probe 5, the two existing devices are probes 5, too much explanation is not done here, the number of the moving grooves 3 is two, structures on the two moving grooves 3 are arranged in a mirror image mode, a person lies on a medical bed matched with the detector 1, a part needing to be checked of the person is moved between the two probes, the detector 1 can be started for detection, a base 2 is fixedly connected to the bottom of the detector 1, a display screen 18 is fixedly connected to the front side of the base 2, detected results can be displayed on the display screen 18, when the whole area needing to be detected is more complete, the detector 1 can control the probe 5 to move left and right;

the front side of the base 2 is provided with a slideway 6, the interior of the slideway 6 is connected with a slide block 8 in a sliding manner, the left side of the slide block 8 is fixedly connected with a first spring 7, the left end of the first spring 7 is fixedly connected with the inner left side of the slideway 6, the front side of the slide block 8 is fixedly connected with a limit plate 9, the right side of the limit plate 9 is provided with a groove 12, the interior of the groove 12 is fixedly connected with a rotating rod 13, the number of the slideways 6 is two, the two slideways 6 are respectively arranged at the upper end and the lower end of the front side of the base 2, the structures of the two slideways 6 are the same, the left end of the upper limit plate 9 is fixedly connected with a second spring 10, the left end of the second spring 10 is fixedly connected with a rubber sleeve 11, the rubber sleeve 11 is square, the interior of the rubber sleeve 11 is hollow and has no right side surface, the rubber sleeve 11, the front side of the rotating plate 15 is provided with two channels 16, the number of the channels 16 is two, the rotating rods 13 on the two limiting plates 9 are respectively sleeved in the two channels 16 in a sliding manner, the structures on the left side and the right side of the base 2 are arranged in a mirror image manner, when the probe 5 is in moving detection, and the equipment is out of control due to out-of-control of the soft and hard limiting position, the probe 5 continues to move without stopping, the limiting block 17 is driven to move rightwards when the probe 5 moves rightwards, then the right end of the limiting block 17 is contacted with the lower limiting plate 9, further the limiting plate 9 is driven to move rightwards by the force of the limiting block 17, further the rotating plate 15 rotates through the fixed rod 14, further the upper end of the rotating plate 15 drives the upper limiting plate 9 to move now, the two limiting plates 9 drive the sliding block 8 to slide in the, the upper side first spring 7 is compressed under the pressure of the upper side sliding block 8, the elasticity of the first spring 7 is larger, so that the elasticity of the first spring 7 plays a role of buffering, the probe 5 is subjected to a resistance force when moving rightwards, and the probe 5 is effectively limited in position, the upper end of the rotating plate 15 drives the upper side limiting plate 9 to move leftwards when moving leftwards, so that the rubber sleeve 11 is contacted with the right side of the probe 5, the left force of the left end of the upper side limiting plate 9 brings a block to the probe 5, the rotating plate 15 rotates and is sleeved on the surface of the fixed rod 14 as the lower side limiting plate moves rightwards, so that the upper side limiting plate 9 cannot move rightwards, the probe 5 is still due to the left force of the upper side limiting plate 9, the situation that the probe 5 cannot move out of the maximum limit is realized, the damage to a machine is avoided, and the service, thereby greatly reducing the economic loss;

the rubber sleeve 11 is made of soft materials, after the rubber sleeve 11 is contacted with the probe 5, the action of force is mutual, and then the second spring 10 is extruded by the probe 5 and the upper limiting plate 9 to form a compression state, so that the phenomenon that the upper limiting plate 9 leaves marks on the surface of the probe 5 due to the fact that the upper limiting plate 9 has large resistance to the probe 5 is avoided, and the probe 5 is effectively protected;

because the dwang 13 on two limiting plates 9 slides respectively and cup joints in the inside of two passageways 16, and then rotor plate 15 when rotating, has increased the space of rotor plate 15 and the dwang 13 of upper and lower both sides, and then has avoided rotor plate 15 to be blocked when rotating to effectual auxiliary device that has played for the device.

The working principle is as follows: when the probe 5 is moved for detection, the equipment is out of control due to out of control of the soft and hard limiting, when the probe 5 continues to move and does not stop, the limiting block 17 is driven to move rightwards when the probe 5 moves rightwards, the limiting plate 9 is driven to move rightwards by the force of the limiting block 17, the upper end of the rotating plate 15 drives the upper limiting plate 9 to move now, the upper end of the rotating plate 15 drives the upper limiting plate 9 to move leftwards when moving leftwards, the rubber sleeve 11 is contacted with the right side of the probe 5, the left force of the left end of the upper limiting plate 9 blocks the probe 5, because the lower limiting plate 9 moves rightwards, the rotating plate 15 is rotatably sleeved on the surface of the fixing rod 14, the upper limiting plate 9 cannot move rightwards, the probe 5 is made to be static by the left force of the upper limiting plate 9.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a spacing protection device in SPECT probe position, includes detecting machine (1), its characterized in that: the front side of the detector (1) is provided with a moving groove (3), a moving block (4) is sleeved in the moving groove (3) in a sliding mode, a probe (5) is fixedly connected to the front side of the moving block (4), limiting blocks (17) are fixedly connected to the left side and the right side of the probe (5), a base (2) is fixedly connected to the bottom of the detector (1), a display screen (18) is fixedly connected to the front side of the base (2), a slide (6) is arranged on the front side of the base (2), and a protection device is arranged inside the slide (6).

2. The SPECT probe position limit protection device of claim 1, which is characterized in that: the number of the moving grooves (3) is two, and the structures on the two moving grooves (3) are arranged in a mirror image mode.

3. The SPECT probe position limit protection device of claim 1, which is characterized in that: the protection device comprises a sliding block (8), the sliding block (8) is connected inside the slide way (6) in a sliding way, the left side of the sliding block (8) is fixedly connected with a first spring (7), the left end of the first spring (7) is fixedly connected with the inner left side of the slide way (6), the utility model discloses a slide block, including base (2), the front side fixedly connected with limiting plate (9) of slider (8), the right side of limiting plate (9) is seted up fluted (12), inside fixedly connected with dwang (13) of recess (12), the quantity of slide (6) is two, set up the upper and lower both ends in base (2) front side respectively in two slides (6), the structure on two slides (6) is the same, the left end fixedly connected with second spring (10) of upside limiting plate (9), the left end fixedly connected with rubber sleeve (11) of second spring (10), the front end fixedly connected with dead lever (14) of base (2), rotor plate (15) have been cup jointed in the surface rotation of dead lever (14).

4. The SPECT probe position limit protection device of claim 3, which is characterized in that: the shape of rubber sleeve (11) is the square, and the inside of rubber sleeve (11) is for cavity and do not have the right side surface, and rubber sleeve (11) slip cup joints the surface at limiting plate (9).

5. The SPECT probe position limit protection device of claim 3, which is characterized in that: the front side of rotor plate (15) is opened and is equipped with passageway (16), and the quantity of passageway (16) is two, and dwang (13) on two limiting plate (9) slide respectively to cup joint in the inside of two passageways (16).

6. The SPECT probe position limit protection device of claim 5, which is characterized in that: the structures on the left side and the right side of the base (2) are arranged in a mirror image mode.