Head fixing device for medical image scanning

Abstract

A medical image scanning head fixing device structurally comprises a fixing base, a head positioning notch is formed in the middle of the fixing base, a clamping piece is movably arranged on the top face of the left portion of the fixing base, the medical image scanning head fixing device is of an automatic tightness adjusting structure, and operation convenience is effectively improved. When the head of a patient is assembled in the head positioning notch, a medical worker pulls the clamping piece, the clamping piece drives the tightening belt to stretch out of the winding cavity, the winding shaft rotates along with the clamping piece, the reset torsional spring is twisted to deform, the reset effect is achieved, after the tightening belt is tightened on the head, the clamping groove of the clamping piece is embedded into the clamping block, and the elastic positioning block is elastically clamped into the corresponding positioning groove, so that the head of the patient is tightened. When adjustment is needed, only the control panel needs to be operated, the motor is made to operate, the lead screw is driven to rotate, the lead screw drives the sliding block in threaded connection to slide up and down along the sliding groove, the sliding block drives the clamping piece through the clamping block, and the lacing belt is loosened or tensioned.

Description

Technical Field

[0001] The utility model relates to a head fixing device for medical image scanning, belonging to the field of medical image scanning equipment. Background Art

[0002] Medical imaging refers to the technology and process of obtaining images of internal tissues of the human body or a part of the human body in a non-invasive manner for medical treatment or medical research. In the use of existing medical imaging scanning head fixation devices, the head is directly fixed by a tightening belt after the head is placed on the fixation device, and the tightness is adjusted by adjusting the length of the tightening belt, which is inconvenient to operate. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a head fixing device for medical image scanning, so as to solve the problem that the existing head fixing device for medical image scanning adopts the method of directly restraining and fixing the head with a tightening belt after the head is resting on the fixing device during use, and the tightness is adjusted by adjusting the length of the tightening belt, which is inconvenient to operate.

[0004] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a head fixing device for medical image scanning, the structure of which includes a fixing seat, the middle part of the fixing seat is provided with a head positioning notch, the top surface of the left part of the fixing seat is movably provided with a clamping piece, the clamping piece is provided with a clamping slot, the left part of the fixing seat is provided with a winding chamber, the winding chamber is provided with a winding shaft rotatably, and a tightening belt is wound on the winding shaft, one end of the tightening belt passes through the top surface of the fixing seat and is connected with the clamping piece, and a return torsion spring is connected between the end of the winding shaft and the inner wall of the winding chamber, a slide groove is vertically provided on the right side of the fixing seat, a slider is slidably provided in the slide groove, a clamping block corresponding to the clamping slot is provided on the right side of the slider, a motor is provided at the bottom of the slide groove, the output end of the motor faces upward, and a screw rod threadedly connected to the slider is provided, the outer wall of the clamping block is provided with at least one positioning groove, and the inner wall of the clamping groove is provided with an elastic positioning block corresponding to the positioning groove.

[0005] Furthermore, a control panel for controlling the operation of the motor is provided on the outer wall of the fixing seat.

[0006] Furthermore, the slider and the clamping block are an integrated structure.

[0007] Furthermore, the positioning groove and the elastic positioning block have an arc-shaped structure.

[0008] Furthermore, the sliding block is provided with an internal threaded hole corresponding to the screw rod.

[0009] The beneficial effects of the utility model are as follows: the head fixing device for medical image scanning adopts a structure of automatically adjusting the tightness, which effectively improves the convenience of operation. When in use, the fixing seat is installed on the examination bed. As the patient's head is fitted into the head positioning slot, the medical staff pulls the card, and the card drives the tightening belt to extend out of the winding chamber, and the winding shaft rotates accordingly. The reset torsion spring is twisted and deformed to play a reset role. After the tightening belt is fastened to the head, the card slot of the card and the card block are engaged, and the elastic positioning block is elastically inserted into the corresponding positioning slot to complete the tightening and positioning work. When adjustment is needed, only the control panel needs to be operated to make the motor run and drive the screw rod to rotate. The screw rod drives the threaded slider to slide up and down along the slide slot, and the slider drives the card through the card block to loosen or tighten the tightening belt. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0011] Figure 1 This is a schematic diagram of the structure of a head fixing device for medical imaging scanning according to the utility model;

[0012] Figure 2 The utility model is a schematic diagram of the cross-sectional structure of a head fixing device for medical image scanning. DETAILED DESCRIPTION

[0013] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0014] See also Figure 1 , Figure 2The utility model provides a technical solution for a head fixing device for medical imaging scanning: its structure includes a fixing seat 1, a head positioning notch 2 is provided in the middle of the fixing seat 1, a clamp 3 is movably provided on the top surface of the left part of the fixing seat 1, a clamping slot 4 is provided on the clamping member 3, a winding cavity 5 is provided in the left part of the fixing seat 1, a winding shaft 6 is rotatably provided in the winding cavity 5, a tightening belt 7 is wound on the winding shaft 6, one end of the tightening belt 7 penetrates the top surface of the fixing seat 1 and is connected to the clamp 3, a reset torsion spring 8 is connected between the end of the winding shaft 6 and the inner wall of the winding cavity 5, a slide groove 9 is vertically provided on the right side of the fixing seat 1, and a sliding device is provided in the slide groove 9 There is a slider 10, a card block 11 corresponding to the card slot 4 is provided on the right side of the slider 10, a motor 13 is provided at the bottom of the slide slot 9, the output end of the motor 13 faces upward, and a screw rod 12 threadedly connected to the slider 10 is provided, the outer wall of the card block 11 is provided with at least one positioning groove 14, the inner wall of the card slot 4 is provided with an elastic positioning block 15 corresponding to the positioning groove 14, the outer wall of the fixed seat 1 is provided with a control panel 16 for controlling the operation of the motor 13, the slider 10 and the card block 11 are an integrated structure, the positioning groove 14 and the elastic positioning block 15 have an arc structure, and the slider 10 is provided with an internal threaded hole corresponding to the screw rod 12.

[0015] The head fixing device for medical imaging scanning adopts a structure of automatically adjusting the tightness, which effectively improves the convenience of operation. When in use, the fixing seat 1 is installed on the examination bed. As the patient's head is fitted into the head positioning slot 2, the medical staff pulls the card member 3, and the card member 3 drives the tightening belt 7 to extend out of the winding chamber 5, and the winding shaft 6 rotates accordingly. The reset torsion spring 8 is twisted and deformed to play a reset role. After the tightening belt 7 is tied to the head, the card slot 4 of the card member 3 is engaged with the card block 11, and the elastic positioning block 15 is elastically inserted into the corresponding positioning slot 14 to complete the tightening and positioning work. When adjustment is needed, only the control panel 16 needs to be operated to make the motor 13 run and drive the screw rod 12 to rotate. The screw rod 12 drives the threaded slider 10 to slide up and down along the slide slot 9. The slider 10 drives the card member 3 through the card block 11 to loosen or tighten the tightening belt 7.

[0016] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0017] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A head fixation device for medical image scanning, characterized in that: The structure comprises a fixed seat (1), a head positioning notch (2) is provided in the middle of the fixed seat (1), a clamping piece (3) is movably provided on the top surface of the left part of the fixed seat (1), a clamping slot (4) is provided on the clamping piece (3), a winding chamber (5) is provided in the left part of the fixed seat (1), a winding shaft (6) is rotatably provided in the winding chamber (5), a tightening belt (7) is wound on the winding shaft (6), one end of the tightening belt (7) passes through the top surface of the fixed seat (1) and is connected to the clamping piece (3), and a clamping groove (4) is connected between the end of the winding shaft (6) and the inner wall of the winding chamber (5). A return torsion spring (8) is provided on the right side of the fixing seat (1), a slide groove (9) is vertically provided, a slider (10) is slidably provided in the slide groove (9), a clamping block (11) corresponding to the clamping groove (4) is provided on the right side of the slider (10), a motor (13) is provided at the bottom of the slide groove (9), the output end of the motor (13) faces upward, and a screw rod (12) is provided which is threadedly connected to the slider (10), at least one positioning groove (14) is provided on the outer wall of the clamping block (11), and an elastic positioning block (15) corresponding to the positioning groove (14) is provided on the inner wall of the clamping groove (4).

2. A medical imaging scanning head fixing device according to claim 1, characterized in that: The outer wall of the fixing seat (1) is provided with a control panel (16) for controlling the operation of the motor (13).

3. The head fixing device for medical image scanning according to claim 1, characterized in that: The sliding block (10) and the clamping block (11) are an integrated structure.

4. The head fixing device for medical image scanning according to claim 1, characterized in that: The positioning groove (14) and the elastic positioning block (15) have an arc-shaped structure.

5. The head fixing device for medical image scanning according to claim 1, characterized in that: The sliding block (10) is provided with an internal threaded hole corresponding to the screw rod (12).

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