CN215128891U

CN215128891U - Head adjusting and fixing device for nuclear medicine department

Info

Publication number: CN215128891U
Application number: CN202121474480.7U
Authority: CN
Inventors: 孙锦; 李晓梅; 于亮; 战润洪; 王丽玲
Original assignee: Affiliated Hospital of University of Qingdao
Current assignee: Affiliated Hospital of University of Qingdao
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-12-14
Anticipated expiration: 2031-06-30

Abstract

The utility model relates to a fixing device technical field is used to medical science, and discloses a fixing device is adjusted to nuclear medicine branch of academic or vocational study head, has solved the head fixing device structure on the existing market fixed, can not adjust the size according to the size of patient's head, leads to the result of use effect not good, and patient's impression is not good, and traditional head fixing device can not carry out altitude mixture control according to actual conditions, awkward problem, it includes the installation piece, the pivot has been cup jointed in the inside activity of installation piece, the one end fixed mounting of pivot has movable handle, the outside activity of pivot has cup jointed No. one movable block, the dead lever has been cup jointed in the inside activity of a movable block, the utility model discloses have can fix the head of the patient of different head types, improve fixing device's result of use, avoid the head to rock when the operation, can carry out altitude mixture control according to actual conditions, The operation is convenient to carry out.

Description

Head adjusting and fixing device for nuclear medicine department

Technical Field

The utility model belongs to the technical field of fixing device for medical science, specifically be a fixing device is adjusted to nuclear medicine branch of academic or vocational study head.

Background

Nuclear medicine is the first-level subject of clinical medicine, the nuclear medicine subject can be divided into nuclear medicine inspection and nuclide treatment, the nuclear medicine inspection relates to each system of human body, the main inspection items include bone scanning, myocardial perfusion imaging, glomerular filtration rate measurement and the like, the nuclear medicine inspection waits from the injection of medicine to the injection until the inspection, the steps are relatively complicated, meanwhile, the inspection time is generally long, short is several minutes, long is more than one hour, most of the nuclear medicine inspection generally has the acquisition time exceeding 15 minutes, in the process of acquiring images, the body of a patient is inevitably moved due to various reasons, motion artifacts are generated, the image quality is influenced, the inspection must be performed again at a scheduled time in serious conditions, the image work efficiency is high, and the radiation dose of the patient is increased.

However, the head fixing device in the market at present is fixed in structure, and the size of the head fixing device cannot be adjusted according to the size of the head of a patient, so that the using effect is poor, the fixing effect is poor for the patient with the small head size, and the head of the patient with the large head size is subjected to large extrusion force, so that the patient feels poor; and traditional head fixing device can not carry out the altitude mixture control according to actual conditions, and is inconvenient to use, and when doctor's operation angle does not correspond, only can oneself adjust for it is tired very easily to operate, for this reason, we have provided a nuclear medicine branch of academic or vocational study head and have adjusted fixing device.

Disclosure of Invention

To the above situation, for overcoming prior art's defect, the utility model provides a fixing device is adjusted to nuclear medicine branch of academic or vocational study head, the effectual head fixing device structure of having solved on the existing market is fixed, can not adjust the size according to the size of patient's head, leads to the result of use not good, and the patient impression is not good, and traditional head fixing device can not carry out altitude mixture control, awkward problem according to actual conditions.

In order to achieve the above object, the utility model provides a following technical scheme: a head adjusting and fixing device for a nuclear medicine department comprises an installation block, wherein a rotating shaft is movably sleeved in the installation block, a movable handle is fixedly installed at one end of the rotating shaft, a first movable block is movably sleeved outside the rotating shaft, a fixed rod is movably sleeved in the first movable block, a movable rod is movably installed on the front face of the first movable block, a movable shaft is movably sleeved in the movable rod, and a second movable block is movably installed at the top end of the movable rod;

the top movable mounting of No. two movable blocks has the flat board, dull and stereotyped top fixed mounting has the fixed block, the push rod has been cup jointed in one side activity of fixed block, push rod () one end fixed mounting has the clamp splice.

Preferably, one side fixed mounting of installation piece has fixed disc, fixed disc's inside activity cover is connected with the gim peg No. one, and the one end of gim peg run through fixed disc and extend to the inside of installation piece.

Preferably, the outside of pivot and the inside of a movable block are provided with the external screw thread and the internal thread opposite in both ends respectively, and the external screw thread of pivot and the internal thread looks adaptation of a movable block.

Preferably, the top of the inner cavity of the fixed block is movably provided with a tension spring, the top end of the tension spring is fixedly provided with a cushion block, and the outside of the cushion block is movably sleeved with a limiting block.

Preferably, the number of the clamping blocks is two, and the two clamping blocks are symmetrically distributed in the inner cavity of the fixing block.

Preferably, the outside threaded connection that the push rod is located fixed block one side has the connecting block, the inside activity of connecting block has cup jointed No. two gim pegs.

Compared with the prior art, the beneficial effects of the utility model are that:

1) in the work, through the elastic spring, the cushion block, the limiting block, the push rod, the connecting block, the second fixing bolt and the clamping block, when the head of a patient needs to be fixed, the clamping block is moved towards two sides, the back head of the patient is placed at the top of the cushion block, the elastic spring is arranged at the bottom of the cushion block, the shaking of the head is reduced through the elasticity of the elastic spring, the using effect of the fixing device is increased, the push rod is moved, the clamping block is contacted with one side of the head of the patient, the connecting block is rotated to be contacted with the outer part of the fixing block, the second fixing bolt is screwed into the connecting block and the fixing block to fix the positions of the push rod and the clamping block, the two sides of the head of the patient are fixed through the left clamping block and the right clamping block, the normal operation is prevented from being influenced by the shaking of the head, even great danger is caused to the patient, the push rod and the clamping block can move left and right, so that the patients with different head types can be fixed, the use effect of the head fixing device is improved;

2) when the height of the head of a patient needs to be reduced, the movable handle is reversed, the first movable block moves reversely, the second movable block moves reversely, the position of the flat plate and the fixed block is lowered, the first fixing bolt is inserted into the fixed disc after the height is selected, the height of the head of the patient is fixed, and the height of the head of the patient can be adjusted by setting, the observation of doctors is facilitated, and the convenience is brought to the operation.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic front view of the structure of the present invention;

fig. 2 is an enlarged schematic view of the structure of the present invention at a point a in fig. 1;

fig. 3 is an enlarged schematic view of the structure of the present invention at B in fig. 1;

FIG. 4 is a side sectional view of the second movable block of the structure of the present invention;

in the figure: 1. mounting blocks; 2. a rotating shaft; 3. a movable handle; 4. fixing the disc; 5. a first fixing bolt; 6. fixing the rod; 7. a first movable block; 8. a movable rod; 9. a movable shaft; 10. a second movable block; 11. a flat plate; 12. a fixed block; 13. a tension spring; 14. cushion blocks; 15. a limiting block; 16. a push rod; 17. connecting blocks; 18. a second fixing bolt; 19. and (5) clamping blocks.

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 some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In this embodiment, as shown in fig. 1-4, the utility model includes an installation block 1, a rotating shaft 2 is sleeved on the inner part of the installation block 1, a movable handle 3 is fixedly installed at one end of the rotating shaft 2, the movable handle 3 is rotated by hand, the rotating shaft 2 is driven to rotate by the rotation of the movable handle 3, a movable block 7 is sleeved on the outer part of the rotating shaft 2, a fixed rod 6 is sleeved on the inner part of the movable block 7, the movable block 7 can move in the same direction or in the opposite direction outside the fixed rod 6 when the rotating shaft 2 rotates, a movable rod 8 is movably installed on the front surface of the movable block 7, a movable shaft 9 is sleeved on the inner part of the movable rod 8, a movable block 10 is movably installed on the top end of the movable rod 8, the movable rod 8 rotates outside the movable shaft 9, and the movable rod 8 moves to drive the movable block 10 to move at the bottom of a flat plate 11;

no. two movable block 10's top movable mounting has dull and stereotyped 11, and dull and stereotyped 11's top fixed mounting has fixed block 12, and push rod 16 has been cup jointed in one side activity of fixed block 12, and push rod (16) one end fixed mounting has clamp splice 19, removes push rod 16, and push rod 16 drives clamp splice 19 and removes, makes clamp splice 19 contact with one side of patient's head, fixes patient's head both sides through clamp splice 19.

Wherein, one side of the mounting block 1 is fixedly provided with a fixed disc 4, a first fixed bolt 5 is movably sleeved in the fixed disc 4, and one end of the first fixed bolt 5 penetrates through the fixed disc 4 and extends into the mounting block 1; after the height is selected well, the first fixing bolt 5 is inserted into the fixing disc 4 and the mounting block 1, the height of the head of a patient is fixed, and through setting, the height of the head of the patient can be adjusted, so that the head of the patient can be conveniently observed by a doctor, and convenience is brought to operation.

The outer part of the rotating shaft 2 and the inner part of the first movable block 7 are respectively provided with an external thread and an internal thread with opposite ends, and the external thread of the rotating shaft 2 is matched with the internal thread of the first movable block 7; when the high needs adjustment of patient's head, with the hand rotation activity handle 3, activity handle 3 rotates and can drive pivot 2 and rotate, thereby make a movable block 7 move in the outside syntropy of dead lever 6, movable rod 8 rotates in the outside of loose axle 9, No. two movable blocks 10 move in the bottom syntropy of dull and stereotyped 11, thereby rising dull and stereotyped 11 and fixed block 12, and then rise patient's head, when patient's head height needs to reduce, reversal activity handle 3, No. 7 between the antiport, thereby make No. two movable blocks 10 antiport, dull and stereotyped 11 and fixed block 12's position descends.

Wherein, the top of the inner cavity of the fixed block 12 is movably provided with an elastic spring 13, the top end of the elastic spring 13 is fixedly provided with a cushion block 14, and the outside of the cushion block 14 is movably sleeved with a limit block 15; when the head of a patient needs to be fixed, the clamping blocks 19 are moved to two sides, the back head of the patient is placed at the top of the cushion block 14, the elastic spring 13 is arranged at the bottom of the cushion block 14, the shaking of the head is reduced through the elasticity of the elastic spring 13, and meanwhile the using effect of the fixing device is increased.

The number of the clamping blocks 19 is two, and the two clamping blocks 19 are symmetrically distributed in the inner cavity of the fixed block 12; remove push rod 16, push rod 16 removes in stopper 15's inside, makes clamp splice 19 and patient's head one side contact, fixes patient's head both sides through controlling clamp splice 19, avoids the head to rock the normal clear that influences the operation, can cause very big danger even to patient.

Wherein, the external thread of the push rod 16 at one side of the fixed block 12 is connected with a connecting block 17, and the interior of the connecting block 17 is movably sleeved with a second fixed bolt 18; push rod 16 and clamp splice 19 can remove about to can fix the patient of different head types, increase head fixing device's result of use, when the head position is fixed, rotatory connecting block 17 makes the outside contact of connecting block 17 and fixed block 12, screws into the inside of connecting block 17 and fixed block 12 with No. two gim peg 18 again, fixes push rod 16 and clamp splice 19's position.

The working principle is as follows: when the head fixing device works, when the head of a patient needs to be fixed, the clamping blocks 19 are moved towards two sides, the back head of the patient is placed at the top of the cushion block 14, the elastic spring 13 is arranged at the bottom of the cushion block 14, the shaking of the head is reduced through the elasticity of the elastic spring 13, the using effect of the fixing device is increased at the same time, the push rod 16 is moved, the push rod 16 moves in the limiting block 15, the clamping blocks 19 are in contact with one side of the head of the patient, the two sides of the head of the patient are fixed through the left clamping block 19 and the right clamping block 19, the push rod 16 and the clamping blocks 19 can move left and right, so that the patients with different head types can be fixed, the using effect of the head fixing device is increased, when the head position is fixed, the connecting block 17 is rotated, the connecting block 17 is in contact with the outer part of the fixing block 12, the second fixing bolt 18 is screwed into the connecting block 17 and the fixing block 12, and the positions of the push rod 16 and the clamping blocks 19 are fixed, the head shaking is avoided from influencing the normal operation of the operation, and even great danger is caused to a patient;

when the height of the head of the patient needs to be adjusted, the movable handle 3 is rotated by hands, the movable handle 3 rotates to drive the rotating shaft 2 to rotate, so that the first movable block 7 moves in the same direction outside the fixed rod 6, the movable rod 8 rotates outside the movable shaft 9, the second movable block 10 moves in the same direction at the bottom of the flat plate 11, thereby lifting the flat plate 11 and the fixed block 12, the head of the patient is further lifted, when the head height of the patient needs to be lowered, the movable handle 3 is reversed, the first movable block 7 moves reversely, thereby leading the second movable block 10 to move reversely, lowering the positions of the flat plate 11 and the fixed block 12, inserting the first fixed bolt 5 into the fixed disc 4 and the mounting block 1 after the height is selected, the height of the head of the patient is fixed, and the height of the head of the patient can be adjusted by setting, so that the head of the patient can be conveniently observed by a doctor, and convenience is brought to the operation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 fixing device is adjusted to nuclear medicine branch of academic or vocational study head, includes installation piece (1), its characterized in that: a rotating shaft (2) is movably sleeved in the mounting block (1), a movable handle (3) is fixedly mounted at one end of the rotating shaft (2), a first movable block (7) is movably sleeved outside the rotating shaft (2), a fixed rod (6) is movably sleeved in the first movable block (7), a movable rod (8) is movably mounted on the front face of the first movable block (7), a movable shaft (9) is movably sleeved in the movable rod (8), and a second movable block (10) is movably mounted at the top end of the movable rod (8);

the top movable mounting of No. two movable block (10) has dull and stereotyped (11), the top fixed mounting of dull and stereotyped (11) has fixed block (12), push rod (16) have been cup jointed in one side activity of fixed block (12), push rod (16) one end fixed mounting has clamp splice (19).

2. The nuclear medicine head adjustment fixture of claim 1 wherein: one side fixed mounting of installation piece (1) has fixed disc (4), the inside activity of fixed disc (4) has cup jointed gim peg (5) No. one, and the one end of gim peg (5) run through fixed disc (4) and extend to the inside of installation piece (1).

3. The nuclear medicine head adjustment fixture of claim 1 wherein: the outside of pivot (2) and the inside of a movable block (7) are provided with the external screw thread and the internal thread opposite in both ends respectively, and the external screw thread of pivot (2) and the internal thread looks adaptation of a movable block (7).

4. The nuclear medicine head adjustment fixture of claim 1 wherein: the top movable mounting of fixed block (12) inner chamber has elasticity spring (13), the top fixed mounting of elasticity spring (13) has cushion (14), stopper (15) have been cup jointed in the outside activity of cushion (14).

5. The nuclear medicine head adjustment fixture of claim 1 wherein: the number of the clamping blocks (19) is two, and the two clamping blocks (19) are symmetrically distributed in the inner cavity of the fixing block (12).

6. The nuclear medicine head adjustment fixture of claim 1 wherein: the outer threaded connection that push rod (16) are located fixed block (12) one side has connecting block (17), No. two gim pegs (18) have been cup jointed in the inside activity of connecting block (17).