CN222765182U - A lower limb fixation device - Google Patents
A lower limb fixation device Download PDFInfo
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- CN222765182U CN222765182U CN202421084407.2U CN202421084407U CN222765182U CN 222765182 U CN222765182 U CN 222765182U CN 202421084407 U CN202421084407 U CN 202421084407U CN 222765182 U CN222765182 U CN 222765182U
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- fixation
- lower limb
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Abstract
The utility model provides a lower limb fixing device which comprises a frame, a sliding assembly and a sliding assembly, wherein a first sliding groove is formed in the inner wall of the frame along the length direction of the frame, the sliding assembly comprises a first sliding plate and a second sliding plate, the first sliding plate and the second sliding plate are adjacently arranged along the length direction of the frame and are in sliding fit with the first sliding groove, the first sliding plate is provided with a second sliding groove, the second sliding plate is provided with at least two second sliding grooves, and all the second sliding grooves are arranged along the width direction of the frame. The device ensures that the lower limb of the patient is in a more comfortable body position which is beneficial to SPECT/CT imaging requirements under the condition that the probe is not influenced to rotationally acquire images, and ensures that the lower limb of the patient, particularly the ankle, is kept in a fixed body position for a long time, thereby improving imaging quality, reducing the occurrence of motion artifacts, improving the matching degree of SPECT and CT images during fusion, and facilitating post-image post-processing analysis and accurate diagnosis.
Description
Technical Field
The utility model relates to the technical field of SPECT/CT imaging equipment, in particular to a lower limb fixing device.
Background
SPECT/CT is an important medical means, is a multi-mode molecular imaging technology, obtains nuclear medicine SPECT functional metabolism images by detecting and recording gamma rays emitted by a radioactive tracer introduced into a target tissue or organ in a human body, and superimposes the nuclear medicine SPECT functional metabolism images with CT anatomical structure images by using an image fusion technology, thereby being beneficial to accurate positioning and accurate qualitative diagnosis of lesions, and particularly occupying important positions in diagnosis and treatment of bone lesions. The patient is required to lie on the examination couch during imaging, and the patient is moved into the SPECT probe and the CT scanning frame by the movement of the examination couch so as to image the part to be detected of the patient by the imaging device in the probe/scanning frame.
However, the current SPECT/CT lower limb related imaging is generally long in time consumption, and the existing equipment of the examination bed is temporarily free of a device for fixing the lower limb, so that when the lower limb of a patient, particularly the ankle part, is imaged, the patient is possibly painful and intolerant due to long examination time, and the like, so that the posture change is caused, and the problems of SPECT image motion artifact, SPECT and CT image fusion dislocation and the like occur, and further the accuracy of image analysis and diagnosis is affected. In addition, the lower limb fixing device used in the existing CT imaging process mainly focuses on fixing legs, focuses on ankle fixing less attention, or focuses on making feet of a patient take a posture of putting feet side by side and lying on a scanning bed board, however, in practical application, it is found that a part of ankle disease patients have limited pain or joint movement or diseases, so that forced posture can not be completed and maintained. Moreover, the existing fixing device has poor protection performance on lower limbs and may cause damage to diseased lower limbs.
Disclosure of Invention
The utility model provides a lower limb fixing device which is used for solving the technical problems.
The lower limb fixing device comprises a frame, a sliding component, a first fixing component, a second fixing component and a third fixing component, wherein a first sliding groove is formed in the inner wall of the frame along the length direction of the frame, the sliding component comprises a first sliding plate and a second sliding plate, the first sliding plate and the second sliding plate are adjacently arranged along the length direction of the frame and are in sliding fit with the first sliding groove, the first sliding plate is provided with a second sliding groove, the second sliding plate is provided with at least two second sliding grooves, all the second sliding grooves are arranged along the width direction of the frame, the first fixing component is arranged on the first sliding plate and is in sliding fit with the second sliding groove, the first fixing component is used for fixing knees, the second fixing component and the third fixing component are arranged on the second sliding plate at intervals and are respectively in sliding fit with the two second sliding grooves, the second fixing component is used for fixing parts, and the third fixing component is used for fixing feet.
Preferably, the cross-sectional profile of the frame is circular arc.
Preferably, the number of the first sliding plates and the number of the second sliding plates are two, the two first sliding plates are arranged adjacently along the width direction of the frame, the two second sliding plates are arranged adjacently along the width direction of the frame, the number of the first sliding grooves is two, each first sliding plate is respectively in sliding fit with the first sliding groove, and each second sliding plate is respectively in sliding fit with the second sliding groove.
Preferably, the first fixing component comprises a first sliding block, a first supporting rod and a first fixing component, wherein the first sliding block is connected with one end of the first supporting rod, the other end of the first supporting rod is rotationally connected with the first fixing frame, the first sliding block is in sliding fit with the second sliding groove, and the first fixing frame is used for fixing the knee.
Preferably, the second fixing component comprises a second sliding block, a second supporting rod and a second fixing component, wherein the second sliding block is connected with one end of the second supporting rod, the other end of the second supporting rod is rotationally connected with the second fixing frame, the second sliding block is in sliding fit with the second sliding groove, and the second fixing frame is used for fixing the ankle.
Preferably, the cross section of the first fixing frame is arc-shaped.
Preferably, the cross section of the second fixing frame is arc-shaped.
Preferably, the first support rod comprises a first telescopic rod, a first sleeve and a first fastener, the first telescopic rod is connected with the first sliding block, the first sleeve is sleeved outside the first telescopic rod, and the first sleeve is in fastening fit with the first telescopic rod through the first fastener.
Preferably, the second support rod comprises a second telescopic rod, a second sleeve and a second fastener, the second telescopic rod is connected with the second sliding block, the second sleeve is sleeved outside the second telescopic rod, and the second sleeve is in fastening fit with the second telescopic rod through the second fastener.
Preferably, the third fixing component comprises a third sliding block, a third supporting rod, a rotating rod and a third fixing frame, wherein the third sliding block is connected with one end of the third supporting rod, the third sliding block is in sliding fit with the second sliding groove, the rotating rod is rotationally connected with the third supporting rod, the rotating rod can deflect relative to the third supporting rod, the third fixing frame is connected with the rotating rod, and the third fixing frame is used for fixing feet.
Preferably, the third fixing frame comprises a sole support plate, a heel support plate and a rotating shaft, wherein the sole support plate is rotationally connected with the heel support plate through the rotating shaft, and the sole support plate is connected with the rotating rod.
Preferably, the sole support plate is provided with a binding belt.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
fig. 1 is a schematic structural view of a frame according to an embodiment of the utility model.
Fig. 2 is a schematic view of a back surface of a frame according to an embodiment of the utility model.
Fig. 3 is a schematic cross-sectional view of a frame according to an embodiment of the present utility model.
Fig. 4 is a schematic overall structure of a lower limb fixing device according to an embodiment of the utility model.
Fig. 5 is a schematic overall structure of a first fixing assembly according to an embodiment of the utility model.
Fig. 6 is a schematic structural diagram of a second fixing component and a third fixing component according to an embodiment of the utility model.
100, Lower limb fixing devices, 110, a frame, 111, a first chute, 120, a sliding component, 121, a first sliding plate, 122, a second sliding plate, 123, a second chute, 130, a first fixing component, 131, a first sliding block, 132, a first supporting rod, 1321, a first telescopic rod, 1322, a first sleeve, 1323, a first fastening piece, 133, a first fixing frame, 140, a second fixing component, 141, a second sliding block, 142, a second supporting rod, 1421, a second telescopic rod, 1422, a second sleeve, 1423, a second fastening piece, 143, a second fixing frame, 150, a third fixing component, 151, a third sliding block, 152, a third supporting rod, 153, a rotating rod, 154, a third fixing frame, 1541, a sole supporting plate, 1542, a heel supporting plate, 1543 and a rotating shaft.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between the embodiments may be combined with each other, but it is necessary to base that a person skilled in the art can implement the combination of technical solutions, when the combination of technical solutions contradicts or cannot be implemented, should be considered that the combination of technical solutions does not exist, and is not within the scope of protection claimed by the present utility model.
The embodiment of the present utility model provides a lower limb fixation apparatus 100, as shown in fig. 1 to 4, the lower limb fixation apparatus 100 includes a frame 110, a sliding assembly 120, a first fixation assembly 130, a second fixation assembly 140, and a third fixation assembly 150. The sliding assembly 120 comprises a first sliding plate 121 and a second sliding plate 122, wherein the first sliding plate 121 and the second sliding plate 122 are adjacently arranged along the length direction of the frame 110 and are in sliding fit with the first sliding plate 111, the first sliding plate 121 is provided with a second sliding groove 123, the second sliding plate 122 is provided with at least two second sliding grooves 123, all the second sliding grooves 123 are arranged along the width direction of the frame 110, the first fixing assembly 130 is arranged on the first sliding plate 121 and is in sliding fit with the second sliding grooves 123, the first fixing assembly 130 is used for fixing knees, the second fixing assembly 140 and the third fixing assembly 150 are arranged on the second sliding plate 122 at intervals and are in sliding fit with the two second sliding grooves 123 respectively, the second fixing assembly 140 is used for fixing ankles, and the third fixing assembly 150 is used for fixing feet.
The working principle and the beneficial effects of the technical scheme are that the lower limb fixing device 100, the first sliding plate 121 and the second sliding plate 122 can move along the length direction of the frame 110 through the first sliding groove 111, so that the longitudinal positions of the first fixing component 130, the second fixing component 140 and the third fixing component 150 are adjusted, the first fixing component 130 can transversely move on the first sliding plate 121 through the second sliding groove 123, the second fixing component 140 and the third fixing component 150 can transversely move on the second sliding plate 122, so that the fixing positions of the knees, ankles and feet of different patients are adjusted appropriately, the fixing effect is ensured, the lower limb fixing device is suitable for patients with different height and body types and the lying habit, and the lower limb fixing effect is improved. Under the condition that the rotation of the probe is not influenced, the lower limb of a patient is in a more comfortable body position which is beneficial to SPECT/CT imaging requirements, and the lower limb of the patient, particularly the ankle part of the patient, is ensured to keep a fixed body position for a long time, so that the imaging quality is improved, the occurrence of motion artifacts is reduced, the matching degree of the fusion of SPECT and CT images is improved, and the post-image post-processing analysis and the accurate diagnosis are facilitated.
For further understanding and explanation of the longitudinal direction and the width direction of the frame 110, taking fig. 2 as an example, the longitudinal direction of the frame is a direction indicated by any arrow on the line S 1 in fig. 2, and the width direction of the frame is a direction indicated by any arrow on the line S 2 in fig. 2.
In one embodiment, referring to fig. 3, the cross-sectional profile of the frame 110 is circular arc-shaped.
The technical scheme has the working principle and beneficial effects that the radian of the SPECT/CT examining table is consistent, and the placement stability of the device is improved.
In one embodiment, referring to fig. 1 and 2, two first sliding plates 121 and two second sliding plates 122 are provided, the two first sliding plates 121 are disposed adjacent to each other along the width direction of the frame 110, the two second sliding plates 122 are disposed adjacent to each other along the width direction of the frame 110, the two first sliding grooves 111 are provided, each first sliding plate 121 is slidably engaged with the first sliding groove 111, and each second sliding plate 122 is slidably engaged with the second sliding groove 123.
The working principle and the beneficial effects of the technical scheme are that the two first sliding plates 121 and the second sliding plates 122 can support the legs of the patient, and the lower limb of the patient suitable for the examination of the legs is fixed.
In one embodiment, referring to fig. 4 and 5, the first fixing component 130 includes a first slider 131, a first supporting rod 132 and a first fixing frame 133, wherein the first slider 131 is connected to one end of the first supporting rod 132, the other end of the first supporting rod 132 is rotatably connected to the first fixing frame 133, the first slider 131 is slidably engaged with the second sliding slot 123, and the first fixing frame 133 is used for fixing the knee.
The technical scheme has the working principle and beneficial effects that the first sliding block 131 can slide on the second sliding groove 123, so that the first supporting rod 132 is driven to slide with the first fixing frame 133, and the first fixing frame 133 plays a role in supporting the knee, so that the knee is fixed at the corresponding position.
In an embodiment, referring to fig. 4 and 5, the second fixing assembly 140 includes a second slider 141, a second support rod 142 and a second fixing frame 143, wherein the second slider 141 is connected to one end of the second support rod 142, the other end of the second support rod 142 is rotatably connected to the second fixing frame 143, the second slider 141 is slidably engaged with the second chute 123, and the second fixing frame 143 is used for fixing the ankle.
The working principle and the beneficial effects of the technical scheme are that the second sliding block 141 can slide on the second sliding groove 123 on the second sliding plate 122, so that the second supporting rod 142 is driven to slide with the second fixing frame 143, and the second fixing frame 143 has a supporting effect on the ankle, so that the ankle is fixed at the corresponding position.
In one embodiment, referring to fig. 3, the cross-sectional shape of the first fixing frame 133 is circular arc. Further, a silica gel protection pad is disposed on the inner layer of the first fixing frame 133.
The technical scheme has the advantages that the knee of the patient is more attached, and the fixing stability and the comfort are improved.
In one embodiment, referring to fig. 3, the cross-sectional shape of the second fixing frame 143 is circular arc. Further, a silica gel protection pad is provided on the inner layer of the second fixing frame 143.
The technical scheme has the advantages that the ankle part of a patient is more attached, and the fixing stability and the comfort are improved.
In one embodiment, referring to fig. 5, the first support rod 132 includes a first telescopic rod 1321, a first sleeve 1322 and a first fastener 1323, the first telescopic rod 1321 is connected to the first slider 131, the first sleeve 1322 is sleeved outside the first telescopic rod 1321, and the first sleeve 1322 is fastened to the first telescopic rod 1321 by the first fastener 1323.
The working principle and the beneficial effects of the technical scheme are that the first telescopic rod 1321 and the first sleeve 1322 are matched, so that the first fixing frame 133 can be lifted and fastened through the second fastening piece 1423, and the supporting height of the knee can be adjusted.
In one embodiment, referring to fig. 6, the second support rod 142 includes a second telescopic rod 1421, a second sleeve 1422, and a second fastening member 1423, where the second telescopic rod 1421 is connected to the second slider 141, the second sleeve 1422 is sleeved outside the second telescopic rod 1421, and the second sleeve 1422 is fastened to the second telescopic rod 1421 by the second fastening member 1423.
The working principle and the beneficial effects of the technical scheme are that the second telescopic rod 1421 is matched with the second sleeve 1422, so that the second fixing frame 143 can be lifted and lowered, and is fastened through the second fastening piece 1423, thereby adjusting the supporting height of the ankle to adapt to the patients with the lower limb pain which cannot be laid flat due to diseases such as atherosclerosis occlusion of the lower limb.
In one embodiment, referring to fig. 6, the third fixing assembly 150 includes a third slider 151, a third support rod 152, a rotating rod 153, and a third fixing frame 154, wherein the third slider 151 is connected to one end of the third support rod 152, the third slider 151 is slidably matched with the second sliding slot 123, the rotating rod 153 is rotatably connected to the third support rod 152, the rotating rod 153 can deflect relative to the third support rod 152, the third fixing frame 154 is connected to the rotating rod 153, and the third fixing frame 154 is used for fixing the foot.
The working principle and beneficial effects of the technical scheme are that the third sliding block 151 can slide on the second sliding groove 123 on the second sliding plate 122 to drive the third fixing frame 154 to slide, the third fixing frame 154 plays a role in supporting the foot, and the supporting angle can be adjusted through the rotating rod 153, so that the third fixing assembly 150 is attached to and is suitable for a more comfortable angle of the foot of a patient.
Further, referring to fig. 6, the second slider 141 and the third slider 151 are in an integral structure.
The working principle and the beneficial effects of the technical scheme are that the second fixing component 140 and the third fixing component 150 are of a linkage structure, so that the fixing position is stabilized.
In one embodiment, referring to fig. 6, the third fixing frame 154 includes a sole support plate 1541, a heel support plate 1542, and a rotation shaft 1543, wherein the sole support plate 1541 is rotatably connected to the heel support plate 1542 through the rotation shaft 1543, and the sole support plate 1541 is connected to the rotation shaft 153.
The working principle and the beneficial effects of the technical scheme are that the angle between the whole heel supporting plate 1542 and the sole supporting plate 1541 can be adjusted through the rotating shaft 1543, so that the third fixing frame 154 is attached to and is suitable for the more comfortable angle of the foot of a patient.
In one embodiment, sole support panel 1541 is provided with a tie-down strap (not shown).
The technical scheme has the working principle and beneficial effects that the sole of a patient can be fixed on the sole support plate 1541 and used for fixing the sole and the toes, and the sole and the toes are main parts which are easy to shift in the inspection process.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. A lower limb fixation apparatus (100), wherein the lower limb fixation apparatus (100) comprises:
A frame (110), wherein a first chute (111) is formed in the inner wall of the frame (110) along the length direction of the frame (110);
The sliding assembly (120), the sliding assembly (120) comprises a first sliding plate (121) and a second sliding plate (122), the first sliding plate (121) and the second sliding plate (122) are adjacently arranged along the length direction of the frame (110) and are in sliding fit with the first sliding groove (111), the first sliding plate (121) is provided with a second sliding groove (123), the second sliding plate (122) is provided with at least two second sliding grooves (123), and all the second sliding grooves (123) are arranged along the width direction of the frame (110);
The first fixing assembly (130), the second fixing assembly (140) and the third fixing assembly (150), wherein the first fixing assembly (130) is arranged on the first sliding plate (121) and is in sliding fit with the second sliding groove (123), the first fixing assembly (130) is used for fixing knees, the second fixing assembly (140) and the third fixing assembly (150) are arranged on the second sliding plate (122) at intervals and are respectively in sliding fit with the two second sliding grooves (123), the second fixing assembly (140) is used for fixing ankles, and the third fixing assembly (150) is used for fixing feet.
2. The lower extremity fixation device (100) of claim 1, wherein a cross-sectional profile of the frame (110) is circular arc-shaped.
3. The lower limb fixing device (100) according to claim 1, wherein the number of the first sliding plates (121) and the number of the second sliding plates (122) are two, the two first sliding plates (121) are adjacently arranged along the width direction of the frame (110), the two second sliding plates (122) are adjacently arranged along the width direction of the frame (110), the number of the first sliding grooves (111) is two, each first sliding plate (121) is respectively in sliding fit with the first sliding groove (111), and each second sliding plate (122) is respectively in sliding fit with the second sliding groove (123).
4. The lower limb fixation device (100) of claim 1 wherein the first fixation assembly (130) comprises a first slider (131), a first support rod (132) and a first fixation frame (133), the first slider (131) is connected to one end of the first support rod (132), the other end of the first support rod (132) is rotatably connected to the first fixation frame (133), the first slider (131) is slidably engaged with the second sliding groove (123), and the first fixation frame (133) is used for fixing the knee.
5. The lower limb fixation apparatus (100) of claim 4 wherein the second fixation assembly (140) comprises a second slider (141), a second support rod (142) and a second fixation frame (143), the second slider (141) being connected to one end of the second support rod (142), the other end of the second support rod (142) being rotatably connected to the second fixation frame (143), the second slider (141) being in sliding engagement with the second chute (123), the second fixation frame (143) being for fixing the ankle.
6. The lower limb fixation device (100) of claim 5 wherein the first mount (133) has a circular arc cross-sectional shape and/or,
The cross section of the second fixing frame (143) is arc-shaped.
7. The lower limb fixation device (100) of claim 5, wherein the first support rod (132) comprises a first telescopic rod (1321), a first sleeve (1322) and a first fastener (1323), the first telescopic rod (1321) is connected with the first slider (131), the first sleeve (1322) is sleeved outside the first telescopic rod (1321), the first sleeve (1322) is fastened and matched with the first telescopic rod (1321) through the first fastener (1323), and/or,
The second support rod (142) comprises a second telescopic rod (1421), a second sleeve (1422) and a second fastening piece (1423), the second telescopic rod (1421) is connected with the second sliding block (141), the second sleeve (1422) is sleeved outside the second telescopic rod (1421), and the second sleeve (1422) is in fastening fit with the second telescopic rod (1421) through the second fastening piece (1423).
8. The lower limb fixation device (100) as in any one of claims 1-7, wherein the third fixation assembly (150) comprises a third slider (151), a third support rod (152), a rotation rod (153) and a third fixation frame (154), wherein the third slider (151) is connected with one end of the third support rod (152), the third slider (151) is in sliding fit with the second sliding slot (123), the rotation rod (153) is rotatably connected with the third support rod (152), the rotation rod (153) can deflect relative to the third support rod (152), the third fixation frame (154) is connected with the rotation rod (153), and the third fixation frame (154) is used for fixing the foot.
9. The lower limb fixation device (100) of claim 8 wherein the third mount (154) comprises a sole support plate (1541), a heel support plate (1542), and a shaft (1543), the sole support plate (1541) being rotatably connected to the heel support plate (1542) by the shaft (1543), the sole support plate (1541) being connected to the rotary lever (153).
10. The lower extremity fixation device (100) of claim 9, wherein the plantar support plate (1541) is provided with binding straps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421084407.2U CN222765182U (en) | 2024-05-17 | 2024-05-17 | A lower limb fixation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421084407.2U CN222765182U (en) | 2024-05-17 | 2024-05-17 | A lower limb fixation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222765182U true CN222765182U (en) | 2025-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421084407.2U Active CN222765182U (en) | 2024-05-17 | 2024-05-17 | A lower limb fixation device |
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| Country | Link |
|---|---|
| CN (1) | CN222765182U (en) |
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- 2024-05-17 CN CN202421084407.2U patent/CN222765182U/en active Active
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