CN114391874B - Adjustable multi-section ultrasonic finger sleeve device for finger joint examination - Google Patents
Adjustable multi-section ultrasonic finger sleeve device for finger joint examination Download PDFInfo
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- CN114391874B CN114391874B CN202210070526.1A CN202210070526A CN114391874B CN 114391874 B CN114391874 B CN 114391874B CN 202210070526 A CN202210070526 A CN 202210070526A CN 114391874 B CN114391874 B CN 114391874B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/42—Details of probe positioning or probe attachment to the patient
- A61B8/4209—Details of probe positioning or probe attachment to the patient by using holders, e.g. positioning frames
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/40—Positioning of patients, e.g. means for holding or immobilising parts of the patient's body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses an adjustable multi-section ultrasonic fingerstall device for knuckle examination, which comprises a fingerstall, a seat ring, a pulley assembly and a rotary positioning plate, wherein the fingerstall is made of flexible materials and is suitable for being sleeved on a finger, and a strip-shaped opening is formed in the peripheral wall of the fingerstall; the seat ring is fixed on the outer side of the peripheral wall of the fingerstall and surrounds the strip-shaped opening; the pulley component is arranged on the seat ring and can slide along the length direction of the strip-shaped opening; the rotary positioning plate is parallel to the axis of the fingerstall, is arranged on the sliding assembly in a rotary positioning way and can pivot around a rotary axis, and the rotary axis is perpendicular to the axis of the fingerstall; the rotary positioning plate is provided with a probe positioning groove for positioning the ultrasonic probe so that the ultrasonic probe is positioned on the rotary positioning plate and can rotate along with the rotary positioning plate. According to the multi-section ultrasonic finger stall device for the finger joint examination, which is provided by the embodiment of the invention, the finger ultrasonic examination is convenient, the acquired ultrasonic image is clearer, the multi-section ultrasonic examination can be realized, and the diagnosis accuracy is improved.
Description
Technical Field
The invention relates to a tool for ultrasonic examination, in particular to an adjustable multi-section ultrasonic fingerstall device for finger joint examination.
Background
In the ultrasonic examination of the finger joints, the finger of a patient is generally placed horizontally, a doctor holds an ultrasonic probe to slide back and forth, so that the ultrasonic examination of the finger joints is realized.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, the invention aims to provide an adjustable multi-section ultrasonic fingerstall device for finger joint examination.
To achieve the above object, an adjustable multi-section ultrasonic finger stall device for finger joint examination according to an embodiment of the present invention includes:
the finger stall is made of flexible materials and is suitable for being sleeved on fingers, and a strip-shaped opening is formed in the peripheral wall of the finger stall;
a seat ring fixed outside the peripheral wall of the fingerstall and surrounding the strip-shaped opening;
the pulley assembly is arranged on the seat ring and can slide along the length direction of the strip-shaped opening;
the rotary positioning plate is parallel to the axis of the fingerstall, is arranged on the sliding assembly in a rotary way and can pivot around a rotary axis, and the rotary axis is perpendicular to the axis of the fingerstall; the rotary positioning plate is provided with a probe positioning groove for positioning the ultrasonic probe, so that the ultrasonic probe is positioned on the rotary positioning plate and can rotate along with the rotary positioning plate.
According to the adjustable multi-section ultrasonic finger stall device for finger joint examination, which is provided by the embodiment of the invention, the finger stall can be sleeved on the finger of a patient, and the probe positioning groove capable of positioning the ultrasonic probe is formed in the rotary positioning plate, so that the ultrasonic probe can be placed on the probe positioning groove when the finger joint examination is carried out, and the ultrasonic probe is positioned and supported by the rotary positioning plate, so that the finger joint device is not dependent on the holding of a doctor, and is more stable, an acquired ultrasonic image is clearer, and in addition, on one hand, the rotary positioning plate can slide along the length direction of the strip-shaped opening along with the pulley assembly, so that the position of the ultrasonic probe relative to the length direction of the finger can be changed by sliding the rotary positioning plate, further, the rapid adjustment of the detection position in the examination can be realized, so that the accurate positioning to the required detection position is facilitated, on the other hand, the rotary plate can rotate the ultrasonic probe, further can be freely switched to different sections, the multi-section ultrasonic examination can be realized, and the accuracy of diagnosis is improved.
In addition, the adjustable multi-section ultrasonic finger stall device for finger joint examination according to the embodiment of the invention can also have the following additional technical features:
according to one embodiment of the invention, the race has a bar-shaped aperture, and the pulley assembly includes:
the sliding seat is slidably arranged in the strip-shaped hole;
the pivot seat is detachably connected to the sliding seat and located on the outer side of the fingerstall, and the rotary locating plate is pivotably connected to the pivot seat.
According to one embodiment of the invention, the sliding seat comprises:
the hollow cylindrical part is slidably arranged in the strip-shaped hole in a penetrating mode, at least two cuts are formed in the side wall of the hollow cylindrical part, and protruding buckles are arranged on the outer surface of the side wall of the hollow cylindrical part;
a circumferential rib formed to protrude outward in a radial direction along a lower end circumference of the hollow cylindrical portion, and stopped at an inner side of the race;
the pin joint seat is a hollow disc, a first annular groove which is suitable for being inserted into the upper end of the hollow cylindrical part is arranged at the bottom of the hollow disc, and a bayonet which is clamped with the buckle is arranged on the wall of the first annular groove; the rotating positioning plate is pivotally connected to the hollow disk.
According to one embodiment of the present invention, the probe positioning groove includes:
the first center hole is formed in the center of the rotary positioning plate;
the cross-shaped positioning groove is arranged on the rotary positioning plate and is intersected with the central hole.
According to one embodiment of the present invention, the rotational positioning plate includes:
the rotary ring is provided with the first central hole, and the top of the hollow disc is provided with a second annular groove which is in pivot fit with the rotary ring;
the four sector plates are circumferentially arranged on the outer side of the rotating ring, a strip-shaped gap is formed between every two adjacent sector plates, and a plurality of strip-shaped gaps form the cross-shaped positioning groove.
According to one embodiment of the invention, the bottom surface of each sector plate is provided with a reinforcing rib, one end of the reinforcing rib is connected to the rotating ring, and the other end of the reinforcing rib extends radially outwards of the sector plate.
According to one embodiment of the invention, the side wall of the hollow cylindrical part is provided with two oppositely arranged threaded holes, each threaded hole is internally provided with a wave bead screw, and the wave bead ends of the two wave bead screws are respectively elastically abutted against the two opposite side walls of the strip-shaped hole.
According to one embodiment of the invention, two opposite side walls of the strip-shaped hole are respectively provided with a sliding groove, the sliding grooves extend along the length direction of the strip-shaped hole, and two wave bead screws are respectively positioned in the two sliding grooves.
According to one embodiment of the invention, the race is adhesively secured to the peripheral wall of the finger cuff.
According to one embodiment of the invention, the fingerstall is made of rubber, and the seat ring and the rotary positioning plate are made of plastic plates.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a structure of an adjustable multi-section ultrasonic finger cuff device for knuckle examination in accordance with an embodiment of the present invention;
FIG. 2 is an exploded view of an adjustable multi-section ultrasonic finger cuff device for knuckle examination in accordance with an embodiment of the present invention;
FIG. 3 is a partially exploded view of an adjustable multi-sectioned ultrasound cuff device for knuckle examination in accordance with an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
fig. 5 is another partially exploded view of an adjustable multi-sectioned ultrasound cuff device for knuckle examination in accordance with an embodiment of the present invention.
Reference numerals:
10. a finger stall;
20. a seat ring;
h20, bar-shaped holes;
30. a pulley assembly;
301. a sliding seat;
3011. a hollow cylindrical portion;
3012. a circumferential blocking edge;
3013. a buckle;
3014. a wave bead screw;
d30, a bead end;
302. a pivot seat;
h301, the first annular groove;
h302, a second annular groove;
40. rotating the positioning plate;
401. a rotating ring;
402. a sector plate;
h40, a probe positioning groove;
h401, first central aperture;
h402, cross-shaped positioning grooves;
h4021, a transverse groove;
h4022, a longitudinal groove;
4021. reinforcing ribs.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below are exemplary and intended to illustrate the present invention and should not be construed as limiting the invention, and all other embodiments, based on the embodiments of the present invention, which may be obtained by persons of ordinary skill in the art without inventive effort, are within the scope of the present invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The adjustable multi-section ultrasonic finger cuff device for finger joint examination according to the embodiment of the present invention is described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 5, an adjustable multi-section ultrasonic finger cuff 10 device for knuckle examination according to an embodiment of the present invention includes a finger cuff 10, a seat ring 20, a pulley assembly 30 and a rotational positioning plate 40.
Specifically, the finger stall 10 is flexible material and suitable for being sleeved on a finger, the flexible material is comfortable to wear, the suitability of the finger stall with the finger is better, and the peripheral wall of the finger stall 10 is provided with a strip-shaped opening.
The seat 20 is secured to the outside of the peripheral wall of the finger cuff 10 around the strip-shaped opening, and the seat 20 is generally made of plastic material and has a higher hardness than the finger cuff 10 to facilitate support and mounting of the pulley fastener.
A pulley assembly 30 is provided on the race 20 and is slidable along the length of the strip-shaped opening. That is, the pulley assembly 30 is slidable on the seat ring 20 along the length of the bar-shaped opening.
The rotational positioning plate 40 is parallel to the axis of the finger cuff 10, is provided on the sliding assembly and is pivotable about a rotational axis that is perpendicular to the axis of the finger cuff 10, and illustratively the finger cuff 10 is placed horizontally (axis is horizontal), and the rotational positioning plate 40 is located above the finger cuff 10 and is rotatable about a vertical rotational axis. The rotary positioning plate 40 is provided with a probe positioning groove H40 for positioning the ultrasonic probe, so that the ultrasonic probe is positioned on the rotary positioning plate 40 and can rotate along with the rotary positioning plate 40, and when the ultrasonic probe is used, the ultrasonic probe can be placed on the probe positioning groove H40, the ultrasonic probe is positioned by the probe positioning groove H40, and the ultrasonic probe is supported by the rotary positioning plate 40.
In this application, the rotation locating plate 40 is established on the pulley assembly 30, when pulley assembly 30 slides along bar open-ended length direction, rotation locating plate 40 also slides along with the slip subassembly, realizes the regulation of rotation locating plate 40 at dactylotheca 10's axis direction position, in addition, the rotor plate can rotate around the rotation axis, when ultrasonic probe fixes a position on rotation locating plate 40, both can slide along bar open-ended length direction along with pulley assembly 30, and adjust ultrasonic probe's position, also can rotate along with rotation locating plate 40, and adjust ultrasonic probe's detection tangent plane.
According to the adjustable multi-section ultrasonic finger stall 10 device for finger joint examination provided by the embodiment of the invention, the finger stall 10 can be sleeved on a finger of a patient, and the probe positioning groove H40 capable of positioning an ultrasonic probe is formed in the rotary positioning plate 40, so that the ultrasonic probe can be placed on the probe positioning groove H40 when the finger joint examination is carried out, and the ultrasonic probe is positioned and supported by the rotary positioning plate 40, so that the finger joint examination is not dependent on the holding of a doctor, the acquired ultrasonic image is more stable, the acquired ultrasonic image is clearer, and in addition, on one hand, the rotary positioning plate 40 can slide along the length direction of a strip-shaped opening along with the pulley assembly 30, so that the position of the ultrasonic probe relative to the length direction of the finger can be changed by sliding the rotary positioning plate 40, and further, the rapid adjustment of the detection position in the examination can be realized, so that the ultrasonic probe can be accurately positioned to a required detection position can be realized, on the other hand, the rotary plate can rotate the ultrasonic probe can be realized, and further can be freely switched to different sections, the multi-section ultrasonic examination can be realized, and the diagnosis accuracy of diagnosis can be improved.
In one embodiment of the present invention, the seat ring 20 has a bar-shaped hole H20, the pulley assembly 30 includes a sliding seat 301 and a pivot seat 302, and the sliding seat 301 is slidably disposed in the bar-shaped hole H20; a pivot base 302 is detachably connected to the slide base 301 and located outside the finger stall 10, and the rotation positioning plate 40 is pivotally connected to the pivot base 302.
In this embodiment, the pulley assembly 30 mainly comprises a sliding seat 301 and a pivot seat 302, the sliding seat 301 is slidably matched with the bar-shaped hole H20, the pivot seat 302 is detachably connected with the sliding seat 301, and the rotary positioning plate 40 is pivotally mounted on the pivot seat 302, so that the rotary positioning plate 40 can slide along the length direction of the bar-shaped opening and can rotate around the rotation axis conveniently, and the structure is simple, and the assembly is convenient.
In one embodiment of the present invention, the sliding seat 301 includes a hollow cylindrical portion 3011 and a circumferential blocking edge 3012, the hollow cylindrical portion 3011 is slidably inserted into the strip-shaped hole H20, at least two cutouts are provided on a side wall of the hollow cylindrical portion 3011, and a protruding buckle 3013 is provided on an outer surface of the side wall of the hollow cylindrical portion 3011. A circumferential blocking edge 3012 is formed by protruding radially outward from the lower end periphery of the hollow cylindrical portion 3011, and the circumferential blocking edge 3012 stops inside the race 20.
The pivot seat 302 is a hollow disc, a first annular groove H301 suitable for being inserted into the upper end of the hollow cylindrical part 3011 is arranged at the bottom of the hollow disc, and a bayonet which is clamped with the buckle 3013 is arranged on the wall of the first annular groove H301; the rotating positioning plate 40 is pivotally connected to the hollow disk.
That is, the hollow cylindrical portion 3011 of the sliding seat 301 is slidably matched with the strip-shaped hole H20, and the hollow cylindrical portion 3011 can be inserted into the first annular groove H301 on the hollow disc, when the hollow cylindrical portion 3011 and the first annular groove H301 are inserted into each other, the buckle 3013 on the hollow cylindrical portion 3011 is engaged with the bayonet at the bottom of the hollow disc, so that the sliding seat 301 and the pivot seat 302 can be detachably connected, and after connection, the circumferential blocking edge 3012 on the hollow cylindrical portion 3011 is blocked on the inner side of the seat ring 20, and the hollow disc is blocked on the outer side of the seat ring 20, so that the sliding seat 301 is reliably mounted on the seat ring 20, stable and reliable sliding connection is realized, and the connection and the detachment are convenient by adopting the buckle 3013 connection mode.
In one embodiment of the present invention, the probe positioning groove H40 includes a first center hole H401 and a cross-shaped positioning groove H402, and the first center hole H401 is disposed at the center of the rotating positioning plate 40; a cross-shaped positioning groove H402 is provided on the rotary positioning plate 40 and intersects the central hole.
That is, in this embodiment, the cross-shaped positioning groove H402 is used to position the ultrasound probe, where the cross-shaped positioning groove H402 is formed by intersecting a transverse groove H4021 and a longitudinal groove H4022, and specifically, a general ultrasound probe is flat and in a straight shape, when in use, an ultrasound pad can be placed in the first center hole H401, and the ultrasound probe can be placed in the transverse groove H4021 or the longitudinal groove H4022 of the cross-shaped positioning groove H402, so that the ultrasound probe can be positioned, and the ultrasound probe can be conveniently and simply used, and in addition, the ultrasound probe can be slid in the transverse groove H4021 or the longitudinal groove H4022, so that the position of the probe can be adjusted.
In one embodiment of the invention, the rotary positioning plate 40 comprises a rotary ring 401 and four sector plates 402, the rotary ring 401 having said first central hole H401, the top of said hollow disc being provided with a second annular groove H302 in pivotal engagement with said rotary ring 401. Four sector plates 402 are circumferentially arranged on the outer side of the rotary ring 401, one strip-shaped gap is arranged between two adjacent sector plates 402, and a plurality of strip-shaped gaps form the cross-shaped positioning groove H402.
That is, the rotary positioning plate 40 is mainly composed of a rotary ring 401 and four sector plates 402, the four sector plates 402 are circumferentially spaced on the rotary ring 401, and a cross-shaped positioning groove H402 is defined between the four sector plates 402. In addition, the rotary ring 401 can be inserted downwards into the second annular groove H302 on the hollow disc, and after the rotary ring 401 is inserted into the second annular groove H302 on the hollow disc, the rotary positioning plate 40 can rotate around the rotation shaft. In addition, the swivel 401 and the finger stall 10 are also convenient to be disassembled for sterilization.
Advantageously, the bottom surface of each sector plate 402 is provided with a stiffener 4021, one end of the stiffener 4021 being connected to the rotating ring 401, and the other end of the stiffener 4021 extending radially outwards of the sector plate 402. That is, the stiffener 4021 is provided between the bottom of the sector plate 402 and the peripheral wall of the rotating ring 401, and thus, the supporting strength of the sector plate 402 can be improved by the stiffener 4021, and the sector plate 402 is less likely to be damaged and has a better supporting effect.
In one embodiment of the present invention, two oppositely arranged threaded holes are provided on the side wall of the hollow cylindrical portion 3011, a bead screw 3014 is provided in each threaded hole, and bead ends D30 of the two bead screws 3014 are respectively elastically abutted against two opposite side walls of the strip-shaped hole H20.
That is, when the hollow cylindrical portion 3011 is inserted into the strip-shaped hole H20 on the seat ring 20, the two bead ends D30 of the two bead screws 3014 are respectively elastically abutted against the two opposite side walls of the strip-shaped hole H20, so that the hollow cylindrical portion 3011 and the strip-shaped hole H20 are tightly matched by using the elastic abutting action between the bead screws 3014 and the side walls of the strip-shaped hole H20, on one hand, the hollow cylindrical portion 3011 has a certain damping when sliding, and on the other hand, the pulley assembly 30 can be kept at the position by using the elastic abutting action between the bead screws 3014 and the side walls of the strip-shaped hole H20 after sliding to the required position, so that the pulley assembly 30 and the rotary positioning plate 40 are not easy to shift, and the ultrasonic detection position is accurate.
Advantageously, two opposite side walls of the bar hole H20 are respectively provided with a sliding groove, the sliding grooves extend along the length direction of the bar hole H20, two bead screws 3014 are respectively located in the two sliding grooves, the bead screws 3014 are limited in the sliding grooves, and the bead screws 3014 elastically abut against the walls of the sliding grooves, so that the pulley assembly 30 can slide more stably and smoothly along the guiding direction of the sliding grooves during sliding.
Illustratively, to facilitate the installation of the race 20, the race 20 may be adhesively secured to the peripheral wall of the finger cuff 10, which is convenient for installation.
Advantageously, the finger stall 10 is made of rubber, and the seat ring 20 and the rotary positioning plate 40 are made of plastic.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (6)
1. A multi-section ultrasonic finger stall device for knuckle examination, comprising:
the finger stall is made of flexible materials and is suitable for being sleeved on fingers, and a strip-shaped opening is formed in the peripheral wall of the finger stall;
a seat ring fixed outside the peripheral wall of the fingerstall and surrounding the strip-shaped opening;
the pulley assembly is arranged on the seat ring and can slide along the length direction of the strip-shaped opening;
the rotary positioning plate is parallel to the axis of the fingerstall, is arranged on the sliding assembly in a rotary way and can pivot around a rotary axis, and the rotary axis is perpendicular to the axis of the fingerstall; the rotary positioning plate is provided with a probe positioning groove for positioning the ultrasonic probe so that the ultrasonic probe is positioned on the rotary positioning plate and can rotate along with the rotary positioning plate;
the seat ring is provided with a strip-shaped hole, the pulley assembly comprises a sliding seat and a pivoting seat, and the sliding seat is slidably arranged in the strip-shaped hole; the pivoting seat is detachably connected to the sliding seat and positioned outside the fingerstall, and the rotary positioning plate is pivotally connected to the pivoting seat;
the sliding seat comprises a hollow cylindrical part and a circumferential blocking edge, the hollow cylindrical part is slidably arranged in the strip-shaped hole in a penetrating mode, at least two cuts are formed in the side wall of the hollow cylindrical part, and protruding buckles are arranged on the outer surface of the side wall of the hollow cylindrical part; the circumference blocking edge is formed by protruding outwards along the radial direction from the lower end circumference of the hollow cylindrical part, and the circumference blocking edge is stopped at the inner side of the seat ring;
the pin joint seat is a hollow disc, a first annular groove which is suitable for being inserted into the upper end of the hollow cylindrical part is arranged at the bottom of the hollow disc, and a bayonet which is clamped with the buckle is arranged on the wall of the first annular groove; the rotary positioning plate is pivotally connected to the hollow disc;
the probe positioning groove comprises a first central hole and a cross-shaped positioning groove, and the first central hole is arranged at the center of the rotary positioning plate; the cross-shaped positioning groove is arranged on the rotary positioning plate and intersects the central hole;
the rotary positioning plate comprises a rotary ring and four sector plates, the rotary ring is provided with a first central hole, and the top of the hollow disc is provided with a second annular groove which is in pivot fit with the rotary ring; four sector plates are circumferentially arranged on the outer side of the rotating ring, a strip-shaped gap is arranged between every two adjacent sector plates, and a plurality of strip-shaped gaps form the cross-shaped positioning groove.
2. The multi-section ultrasonic finger cuff device for knuckle examination according to claim 1, wherein a bottom surface of each of the sector plates is provided with a reinforcing rib, one end of which is connected to the rotating ring, and the other end of which extends radially outward of the sector plate.
3. The multi-section ultrasonic fingerstall device for knuckle examination according to claim 1, wherein two oppositely arranged threaded holes are formed in the side wall of the hollow cylindrical portion, a wave bead screw is arranged in each threaded hole, and wave bead ends of the two wave bead screws are respectively elastically abutted against two opposite side walls of the strip-shaped hole.
4. The multi-section ultrasonic finger stall device for finger joint examination according to claim 3, wherein two opposite side walls of the strip-shaped hole are respectively provided with a sliding groove, the sliding grooves extend along the length direction of the strip-shaped hole, and two wave bead screws are respectively positioned in the two sliding grooves.
5. The multi-section ultrasonic finger cuff device for knuckle examination of claim 1, wherein said race is adhesively secured to the peripheral wall of said finger cuff.
6. The multi-section ultrasonic finger cuff device for knuckle examination of any one of claims 1 to 5, wherein the finger cuff is made of rubber, and the seat ring and the rotary positioning plate are plastic plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210070526.1A CN114391874B (en) | 2022-01-21 | 2022-01-21 | Adjustable multi-section ultrasonic finger sleeve device for finger joint examination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210070526.1A CN114391874B (en) | 2022-01-21 | 2022-01-21 | Adjustable multi-section ultrasonic finger sleeve device for finger joint examination |
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| Publication Number | Publication Date |
|---|---|
| CN114391874A CN114391874A (en) | 2022-04-26 |
| CN114391874B true CN114391874B (en) | 2023-06-23 |
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| CN202210070526.1A Active CN114391874B (en) | 2022-01-21 | 2022-01-21 | Adjustable multi-section ultrasonic finger sleeve device for finger joint examination |
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| CN114391874A (en) | 2022-04-26 |
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