Auxiliary positioning device for palm DR examination
By designing a rotating connection structure between the tray and the handle, combined with the positioning components and the positioning groove on the outer wall of the box, the problem of blurred imaging caused by patient movement during palm DR examination is solved, achieving high-precision imaging results. This method is suitable for most patients, especially those with limb mobility impairments and young children.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2026-04-10
AI Technical Summary
In existing DR examinations of the palm, the shaking of the patient's palm causes blurry scan results and frequent ghosting, affecting the accuracy of the examination.
An auxiliary positioning device was designed, including a tray, a handle, and a box. The tray is rotatably connected to the box via the handle. The stable positioning of the tray is achieved by the cooperation of the positioning component and the outer wall of the box, preventing shaking. The tilt angle of the tray can be adjusted by the handle to suit the fracture sites of different patients.
It improves the imaging accuracy of palm DR examination, is suitable for most patients, especially those with limb mobility impairments and young children, and reduces the inconvenience of the examination.
Smart Images
Figure CN224099363U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of medical apparatus and instruments relates to a kind of auxiliary positioning device for palm DR examination. BACKGROUND
[0002] DR examination is the new generation of X-ray examination in prior art, its implementation principle and X-ray examination are similar, it is the technology that imaging is carried out under computer control, is often applied to skeletal, respiratory system etc.
[0003] In prior art, when being examined, especially for the patient with fracture in palm, generally, the patient places his palm on scanning bed, and then scans and images by scanning machine, and to ensure the scanning accuracy of palm, generally, a load plate with hand-shaped slot is arranged on scanning bed, the patient places his hand in hand-shaped slot, and adjusts the palm placement by slot wall.
[0004] But for different patients, fracture site in palm can exist certain difference, so before actual scanning, the palm placement angle of patient often needs to be adjusted, based on the above prior art, currently, air bag is generally placed under load plate, before scanning, air bag is inflated, so that one side or the other side of load plate is lifted up, so that hand-shaped slot on load plate is in inclined state, but this way has great defect, air bag is unstable in supporting load plate due to its elastic property, in scanning process, the scanned part of patient is prone to shaking, resulting in fuzzy, ghosting etc. SUMMARY
[0005] The utility model aims at the above problems existing in prior art, proposes a kind of auxiliary positioning device for palm DR examination, and the technical problems to be solved by the utility model are as follows: how to improve examination imaging accuracy.
[0006] The utility model discloses a purpose can be realized through the following technical schemes: a kind of auxiliary positioning device for palm DR examination, including supporting plate, the hand-shaped slot for accommodating palm is opened on the supporting plate board face, it is characterized in that, the auxiliary positioning device for palm DR examination further includes long strip handle and the box body with accommodating cavity inside, the accommodating cavity is arranged through the side wall of the box body, the supporting plate is located in the accommodating cavity, the handle and the box body are rotationally connected and one end is connected and fixed with the supporting plate, the other end of the handle is connected with the positioning member for positioning the supporting plate, and the positioning member and the box body outer wall are detachably connected.
[0007] The utility model discloses the hand-shaped slot on supporting plate to accommodate the palm of patient, on the basis of this structure, the box body with accommodating cavity inside is additionally provided, and the supporting plate is placed in accommodating cavity, and the handle rotationally connected on the box body and the supporting plate are connected fixed, before examination, patient inserts into accommodating cavity through the opening of accommodating cavity one end on box body and rests the palm in the hand-shaped slot on supporting plate, then according to the fracture site of patient targeted rotation handle, so that handle drives the supporting plate fixedly connected with it and overturns, after adjusting, the handle is positioned and cannot rotate using the positioning member on handle and the outer wall of box body connection, the supporting plate is in the state of inclination in accommodating cavity under this state, so that the palm posture of patient is more in line with the demand of scanning imaging, and through the cooperation of positioning member and box body outer wall, prevent the supporting plate from shaking, so that the posture of the palm of patient is adjusted accurately through the auxiliary positioning device, prevent the situation that imaging is blurred and ghosting due to shaking in the scanning process, effectively improve the accuracy of examination imaging, and applicable to most patients, especially for the patients with inconvenient limbs and young children, without patient family members and medical staff exert greater effort to assist examination, achieve the purpose of reducing the inconvenience of examination.
[0008] In the auxiliary positioning device for palm DR examination, the other side of the box body is fixed with a bearing, the handle comprises a hand-holding section fixedly connected with the inner ring of the bearing and located outside the box body, the positioning member is a positioning pin movably connected in the hand-holding section in the axial direction, and the box body is provided with a plurality of positioning grooves formed in the outer side wall of the bearing, the positioning grooves are arranged at intervals around the bearing, and the positioning member is inserted into any one of the positioning grooves. The hand-holding section serves as an operation section of the handle and is operated by medical staff. The bearing on the box body limits the hand-holding section in the axial direction and simultaneously plays a guiding effect in the circumferential direction. The medical staff rotates the handle clockwise or counterclockwise, so that the handle drives the supporting plate to rotate. On this basis, the plurality of positioning grooves correspond to the rotation angle interval of ±75° of the supporting plate, for example, 0°, 30°, 45°, 60°, 75°, -30°, -45°, -60° and -75°. These angles correspond to all palm postures in the present examination. After the medical staff rotates the handle, the positioning pin and the corresponding positioning groove can be inserted to complete the positioning of the supporting plate and the palm of the patient. The operation is more convenient. It is worth mentioning that the positioning pin can adopt the prior art, and the specific structure will not be described herein. As an alternative, a threaded pin can also be screwed into the hand-holding section of the handle.
[0009] In the auxiliary positioning device for palm DR examination, the opening of each positioning groove is in an expanded shape. The positioning member and any one of the positioning grooves are inserted to play a guiding effect.
[0010] In the auxiliary positioning device for palm DR examination, the supporting plate is provided with a hand pressing belt made of hard material, and the hand pressing belt is located directly above the hand-shaped groove. The hand pressing belt can limit the back of the patient's hand to prevent the patient's palm from moving unconsciously for a long time. In order to ensure comfort, a silica gel pad can be arranged on the hand-shaped groove wall and the side of the hand pressing belt facing the hand-shaped groove.
[0011] In the auxiliary positioning device for palm DR examination, the box body is provided with a stepped hole communicating with the accommodating cavity on one side of the bearing, the stepped hole is provided with a bearing with an outer ring and a bearing clamped in the inner wall of the stepped hole, and the hand-holding section is arranged in the bearing and the outer wall is clamped with the inner ring of the bearing. Through the cooperation of the bearing and the stepped hole, the connection stability of the hand-holding section in the handle and the box body is ensured, and the handle is absolutely positioned during use by medical staff, so as to avoid the shaking or shaking of the supporting plate.
[0012] In the auxiliary positioning device for palm DR examination, the supporting plate is a rectangular plate with a connecting hole penetrating through both ends, the handle further comprises a plug-in section fixed to the hand-held section and a connecting section fixed to the plug-in section, the plug-in section is inserted into the connecting hole, one end of the supporting plate abuts against the hand-held section, and a threaded sleeve is screwed on the connecting section and abuts against the other end of the supporting plate. It needs to be pointed out that the shape of the accommodating cavity is not limited, as long as the rectangular plate does not interfere with the inner wall when rotating in the accommodating cavity. The handle and the supporting plate are connected by inserting the plug-in section into the connecting hole and then screwing the threaded sleeve and the connecting section. The abutting force of the threaded sleeve against one end of the supporting plate makes the other end of the supporting plate abut against the end of the hand-held section, ensuring the stable connection of the supporting plate and the handle, and also ensuring that they can be disassembled, so that the supporting plate can be disassembled and cleaned after periodic use.
[0013] In the auxiliary positioning device for palm DR examination, the connecting hole and the plug-in section are both polygonal, and the outer peripheral wall of the plug-in section and the inner peripheral wall of the connecting hole are fitted. This achieves circumferential positioning of the supporting plate, prevents the locking force of the threaded sleeve applied to the supporting plate from being insufficient to make the supporting plate and the hand-held section abut against each other, and avoids the supporting plate from rotating around the plug-in section.
[0014] In the auxiliary positioning device for palm DR examination, the other two side walls of the box body are fixed with fixing belts made of elastic material near the bottom, and each fixing belt is fixed with a hook. The fixing belt and the hook are used to connect and fix the box body to the scanning bed, ensuring the stability of the positioning of the box body.
[0015] In the auxiliary positioning device for palm DR examination, the bottom of the box body is provided with a clamping block protruding downward. Alternatively, a clamping groove can be formed on the scanning bed, and the clamping block at the bottom of the box body is clamped in the clamping groove to position the box body on the scanning bed.
[0016] Compared with the prior art, the auxiliary positioning device for palm DR examination has the following advantages:
[0017] The patient can stretch the palm into the accommodating cavity from one side of the box body and place it in the hand-shaped groove of the supporting plate. The supporting plate lifts the palm, and the hand-shaped groove limits and corrects the placement posture of the patient's palm. Before examination, the patient can shake the handle to swing the supporting plate in the box body, and the handle and the supporting plate are positioned together by the positioning member and the box body, so that the placement angle of the patient's palm can be quickly and accurately adjusted, effectively improving the imaging accuracy of the examination. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 This is a structural schematic diagram of Embodiment 1 and a partial enlarged view thereof.
[0019] Figure 2 This is a structural schematic diagram from another perspective of Embodiment 1.
[0020] Figure 3 This is a front view of Embodiment 1.
[0021] Figure 4 yes Figure 3 A sectional view taken along the AA direction.
[0022] Figure 5 This is a structural diagram of the tray.
[0023] Figure 6 This is a schematic diagram of the handle's structure.
[0024] Figure 7 This is a structural diagram of the box.
[0025] Figure 8 This is a schematic diagram of the structure of Embodiment 2.
[0026] In the diagram, 1. tray; 11. hand groove; 12. connecting hole; 13. hand grip; 2. handle; 21. positioning element; 22. connecting section; 23. plug-in section; 24. hand grip section; 3. box body; 31. receiving cavity; 32. stepped hole; 321. bearing; 33. positioning groove; 34. fixing strap; 341. hook; 35. snap-fit block; 4. threaded sleeve. Detailed Implementation
[0027] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.
[0028] Example 1
[0029] like Figures 1-4 As shown, the auxiliary positioning device for palm DR examination includes a cubical box 3, with a horizontally arranged cylindrical receiving cavity 31 inside the box 3, and the receiving cavity 31 extending through one side of the shell. Figure 5 and Figure 6The auxiliary positioning device for palm DR examination further comprises a rectangular plate-shaped supporting plate 1 and a long strip-shaped handle 2, a hand-shaped groove 11 is formed on the plate surface of the supporting plate 1, a U-shaped hand pressing belt 13 made of hard material is fixed on the plate surface of the supporting plate 1, the hand pressing belt 13 is located directly above the hand-shaped groove 11, a connecting hole 12 is formed in the middle of the supporting plate 1, the connecting hole 12 is a quadrangular prism, the handle 2 comprises a quadrangular prism-shaped insertion section 23, a connecting section 22 with external threads formed on the outer wall of one end of the insertion section 23, and a Z-shaped hand holding section 24 formed on the other end of the insertion section 23, the handle 2 is inserted into the connecting hole 12 of the supporting plate 1 through the insertion section 23, so that the connecting section 22 protrudes from one end of the connecting hole 12 and the hand holding section 24 abuts against the other end of the supporting plate 1, and the outer peripheral wall of the insertion section 23 and the inner peripheral wall of the connecting hole 12 are in close contact, and the supporting plate 1 and the hand holding section 24 are tightly abutted together through the threaded sleeve 4 and the connecting section 22.
[0030] In combination Figure 7 A stepped hole 32 is formed in the center of the other side outer wall of the shell, a bearing 321 is embedded in the stepped hole 32 and clamped by the outer ring and the inner peripheral wall of the stepped hole 32, the front end outer peripheral wall of the hand holding section 24 is clamped with the inner ring of the bearing 321, a plurality of positioning grooves 33 are formed on the side outer wall of the shell 3 having the stepped hole 32, the positioning grooves 33 are spaced around the stepped hole 32 and have an expanded hole mouth, a positioning member 21 is movably connected to the rear end of the hand holding section 24 along the axial direction of the insertion section 23, which is a spring pin in the prior art, or alternatively, it can be a threaded pin screwed in the hand holding section 24, in addition, elastic material-made fixing belts 34 (which can be regarded as elastic elastic belts in the prior art) are fixedly connected to the other two side walls of the shell 3 near the bottom, and a hook 341 is fixedly connected to the movable end of each fixing belt 34, it is worth mentioning that the auxiliary positioning device for palm DR examination is mainly applied to DR scanning and molding examination, in order to ensure the scanning imaging effect, the shell 3, the supporting plate 1 and the hand pressing belt 13 are made of non-metallic material, and high-hardness plastic known in the prior art can be selected.
[0031] Principle of operation: Before the examination, the medical staff will bind the box 3 on the scanning bed through two fixed bands 34, and then the patient will put his hand into the hand-shaped slot 11 on the support plate 1 through the opening end of the containing cavity 31. After that, the medical staff will press the handle 2 on the support plate 1 through the hand pressing belt 13, and then determine whether the handle 2 needs to be adjusted according to the injured part of the patient's palm. If not, the positioning member 21 is inserted into the positioning groove 33 at 0° to keep the support plate 1 in position. If it needs to be adjusted, the positioning member 21 needs to be operated to exit the positioning groove 33 at 0° first, at which time the handle 2 is in a movable state. The medical staff will rotate the handle 2 clockwise or counterclockwise according to the needs to make the handle 2 drive the support plate 1 to rotate or overturn a certain angle. After the angle of the support plate 1 (i.e. the angle of the patient's palm) reaches the requirement, the positioning member 21 is inserted into any one of the positioning grooves 33 at the opposite position by hand operation, and the whole adjustment work is completed.
[0032] Example two
[0033] The structure of this embodiment is basically the same as that of example one, and the difference is that, as shown in Figure 8 the bottom of the box 3 has a downward protruding and quadrangular prism-shaped clamping block 35, and a clamping groove is also provided on the corresponding part of the scanning bed. The clamping block 35 and the clamping groove on the scanning bed are clamped to position the box 3 on the scanning bed.
[0034] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.
[0035] Although the terms such as support plate 1, hand-shaped slot 11, connecting hole 12, hand pressing belt 13, handle 2, positioning member 21, connecting section 22, insertion section 23, hand-held section 24, box 3, containing cavity 31, step hole 32, bearing 321, positioning groove 33, fixed band 34, hook 341, clamping block 35, threaded sleeve 4, etc. are used more frequently in this paper, but the possibility of using other terms is not excluded. The use of these terms is only to facilitate the description and explanation of the essence of the present application; any kind of additional limitation is contrary to the spirit of the present application.
Claims
1. An auxiliary positioning device for palm DR examination, comprising a supporting plate (1), a palm-shaped slot (11) for accommodating a palm is formed on the plate surface of the supporting plate (1), characterized in that, The auxiliary positioning device for palm DR examination further comprises a handle (2) in strip shape and a box body (3) with a containing cavity (31) inside, the containing cavity (31) is arranged through one side wall of the box body (3), the supporting plate (1) is located in the containing cavity (31), the handle (2) and the box body (3) are rotationally connected and one end is fixedly connected with the supporting plate (1), the other end of the handle (2) is connected with a positioning piece (21) for positioning the supporting plate (1), and the positioning piece (21) and the outer wall of the box body (3) are detachably connected.
2. The auxiliary positioning device for palm DR examination according to claim 1, characterized in that, The other side of the box body (3) is fixedly connected with a bearing (321), the handle (2) comprises a hand-holding section (24) fixedly connected with the inner ring of the bearing (321) and located outside the box body (3), the positioning piece (21) is a positioning pin movably connected in the hand-holding section (24) in the axial direction, the outer side wall of the box body (3) provided with the bearing (321) is provided with a plurality of positioning grooves (33), and the plurality of positioning grooves (33) are arranged at intervals around the bearing (321), and the positioning piece (21) is inserted into any one of the positioning grooves (33).
3. The auxiliary positioning device for palm DR examination according to claim 2, characterized in that, The opening of each positioning groove (33) is in an expanded shape.
4. The auxiliary positioning device for palm DR examination according to any one of claims 1-3, characterized in that, The supporting plate (1) is provided with a hand pressing belt (13) made of hard material, and the hand pressing belt (13) is located directly above the hand-shaped groove (11).
5. The auxiliary positioning device for palm DR examination according to claim 2 or 3, characterized in that, The outer wall of one side of the box body (3) provided with the bearing (321) is provided with a stepped hole (32) communicating with the containing cavity (31), the bearing (321) is arranged in the stepped hole (32) and clamped by the outer ring and the inner wall of the stepped hole (32), and the hand-holding section (24) is arranged in the bearing (321) and clamped by the outer wall and the inner ring of the bearing (321).
6. The auxiliary positioning device for palm DR examination according to any one of claims 1-3, characterized in that, The supporting plate (1) is a rectangular plate and internally provided with a connecting hole (12) arranged through both ends, the handle (2) further comprises a plug-in section (23) fixedly connected with the hand-holding section (24) and a connecting section (22) fixedly connected with the plug-in section (23), the plug-in section (23) is arranged in the connecting hole (12), one end of the supporting plate (1) abuts against the hand-holding section (24), and the connecting section (22) is screwed with a threaded sleeve (4) abutting against the other end of the supporting plate (1).
7. The auxiliary positioning device for palm DR examination according to claim 6, characterized in that, The connecting hole (12) and the plug-in section (23) are both polygonal, and the outer peripheral wall of the plug-in section (23) is attached to the inner peripheral wall of the connecting hole (12).
8. The auxiliary positioning device for palm DR examination according to claim 2 or 3, characterized in that, The other two side walls of the box body (3) are fixedly connected with fixing belts (34) made of elastic material near the bottom, and each fixing belt (34) is fixedly connected with a hook (341).
9. The auxiliary positioning device for palm DR examination according to claim 2 or 3, characterized in that, The bottom of the box body (3) is provided with a clamping block (35) protruding downward.