CN114287962B - Low-frequency ultrasonic transducer device for tumor treatment - Google Patents
Low-frequency ultrasonic transducer device for tumor treatment Download PDFInfo
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- CN114287962B CN114287962B CN202111641756.0A CN202111641756A CN114287962B CN 114287962 B CN114287962 B CN 114287962B CN 202111641756 A CN202111641756 A CN 202111641756A CN 114287962 B CN114287962 B CN 114287962B
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- 206010028980 Neoplasm Diseases 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 17
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- 239000011229 interlayer Substances 0.000 claims abstract description 8
- 239000010410 layer Substances 0.000 claims abstract description 8
- 239000013078 crystal Substances 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims description 13
- 230000004323 axial length Effects 0.000 claims description 4
- 238000002604 ultrasonography Methods 0.000 claims description 4
- 244000043261 Hevea brasiliensis Species 0.000 claims description 3
- 229920003052 natural elastomer Polymers 0.000 claims description 3
- 229920001194 natural rubber Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000002560 therapeutic procedure Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 4
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- 239000000523 sample Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000002592 echocardiography Methods 0.000 description 2
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- 230000000087 stabilizing effect Effects 0.000 description 2
- 241000252254 Catostomidae Species 0.000 description 1
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 208000026935 allergic disease Diseases 0.000 description 1
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- 238000004804 winding Methods 0.000 description 1
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Abstract
The invention discloses a low-frequency ultrasonic transducer device for tumor treatment, which relates to the technical field of medical appliances and comprises a shell, wherein a piezoelectric crystal, a sound absorption pad block, a sound absorption insulating layer and a vibrator are arranged in the shell, and the shell is also provided with: the casing is coaxially sleeved at the end part of the shell, and an interlayer is formed between the casing and the shell; the adsorption fixing assembly comprises a sleeve and a sliding ring which are arranged in the interlayer in a sliding manner, a spring is arranged between the sleeve and the sliding ring, and the sleeve is also connected with an adsorption mechanism for fixing the transducer on the surface of the skin of a patient; and the elastic force adjusting component comprises an adjusting ring. According to the invention, through the sleeve, the spring and the sliding ring, the transducer can be fixed on an affected part of a patient when the transducer contacts the skin of the patient, so that hands of a doctor are liberated, and the labor intensity is reduced.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a low-frequency ultrasonic transducer device for tumor treatment.
Background
An ultrasonic transducer is a device for converting electromagnetic energy into mechanical energy (acoustic energy), and is usually made of piezoelectric ceramics or other hysteresis telescopic materials, and common ultrasonic cleaners, ultrasonic atomizers, ultrasonic probes and the like are all application examples of the ultrasonic transducer, and a medical ultrasonic transducer (ultrasonic probe) is an important component of a medical ultrasonic instrument system and occupies quite important positions in the development and medical research of novel medical instruments. In ultrasonic diagnosis of tumor, firstly, ultrasonic waves are emitted to a human body, then, reflected echoes of human tissue structure information are received, the reflected echoes are received and identified through an ultrasonic transducer, and then, the position of a tumor focus of a patient is observed through computer imaging.
In the treatment process of a tumor patient, a doctor can observe the condition of the patient by using an ultrasonic imaging technology to judge the size and the shape of the tumor and the postoperative recovery condition, but in the prior art, as an ultrasonic transducer (namely an ultrasonic probe) in ultrasonic imaging equipment generally applies force to the ultrasonic transducer to enable the ultrasonic transducer to be pressed against the surface of skin for examination, the doctor's hand is the only fixing mode, the auxiliary stabilizing function is lacking, the long-time operation can lead to the fatigue pain of the doctor's arm, and when B-ultrasonic shooting is carried out, the ultrasonic transducer works best when being perpendicular to skin detection, the effect of ultrasonic examination depends on the self-ability of the examining doctor, and if the hand shakes, the imaging is possibly caused to be fuzzy, so that the examination effect is poor.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the lack of an auxiliary stabilizing function can lead to fatigue and ache of arms of doctors during long-time operation, and the handheld ultrasonic transducer is difficult to ensure that the transducer is always perpendicular to skin and is easy to cause image blurring during ultrasonic shooting.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a low frequency ultrasonic transducer device for tumour treatment, includes the casing, be equipped with piezoelectricity crystal, sound absorption pad piece, sound absorption insulating layer and oscillator in the casing, still be equipped with on the casing:
the casing is coaxially sleeved at the end part of the shell, and an interlayer is formed between the casing and the shell;
the adsorption fixing assembly comprises a sleeve and a sliding ring which are arranged in the interlayer in a sliding manner, a spring is arranged between the sleeve and the sliding ring, and the sleeve is also connected with an adsorption mechanism for fixing the transducer on the surface of the skin of a patient;
the elastic force adjusting component comprises an adjusting ring, the adjusting ring is propped against the end parts of two propping rods fixedly arranged on the sliding ring, and the adjusting ring is further provided with a one-way limiting mechanism for limiting the rotating direction of the adjusting ring.
Preferably, the adsorption mechanism comprises a mounting plate and an air cylinder which are fixedly arranged on the casing, a sucker connected with the air cylinder through a guide pipe is arranged at the bottom end of the mounting plate, and a telescopic rod fixedly arranged on the outer side wall of the casing is connected in a sealing sliding manner in the air cylinder.
Preferably, the mounting plate and the inflator are provided in plurality, and the mounting plate and the inflator are arranged in one-to-one correspondence, and the plurality of mounting plates are distributed in a circumferential array along the axis of the casing.
Preferably, the sucker is made of natural rubber.
Preferably, an annular groove is formed in the shell, the adjusting ring is movably sleeved in the annular groove, and the axial length of the annular groove is greater than that of the adjusting ring.
Preferably, the top end of the pressing rod is obliquely arranged, and an inclined opening consistent with the inclined angle of the end part of the pressing rod is formed in the adjusting ring.
Preferably, the unidirectional limiting mechanism comprises a toothed ring fixedly arranged at the top end of the adjusting ring, and tooth grooves matched with the toothed ring are formed in the inner side wall of the annular groove.
Preferably, the wire connecting mechanism comprises a connecting wire, a wiring port is formed in the end portion of the shell, a negative electrode wiring patch is arranged on the side wall of the wiring port, a positive electrode binding post is fixedly arranged in the middle of the wiring port, and a binding post which is installed in a mode of being matched with the wiring port is arranged on the connecting wire.
Preferably, the wiring head is rotatably provided with a thread sleeve, and one end of the shell close to the wiring port is provided with external threads matched with the thread sleeve.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, through the arrangement of the sleeve, the spring and the sliding ring, when the transducer is in contact with the skin of a patient, the sleeve is pressed and compressed by the spring, at the moment, the telescopic rod discharges gas in the air cylinder, then the sucker is in contact with the skin, at the moment, the spring is reset, the air pressure in the air cylinder is reduced when the sleeve is moved outwards by driving the telescopic rod to move, at the moment, the sucker can adsorb the transducer on the skin of a human body, the operation difficulty of a doctor is reduced, arm ache caused by long-time holding of the transducer by the doctor is avoided, the transducer can be perpendicular to the skin of the patient through the cooperation of the plurality of suckers, the risk of image blurring caused by arm shaking during ultrasonic shooting is reduced, the position of the sliding ring can be changed through rotating the adjusting ring, the spring is restored under the condition that the position of the sleeve is unchanged, at the moment, the air pressure in the air cylinder is restored, and the transducer can be easily removed, and the use is convenient.
2. The invention is convenient for the transducer to be connected with a power supply and fixed through the thread bush by arranging the wiring port and the wiring lug, so that the wiring is firmer and not easy to loosen, and the connecting wire cannot rotate along with the transducer when the transducer rotates, thereby avoiding the winding, bending and even breaking of the connecting wire at the wiring part caused by the back and forth rotation of the transducer and prolonging the service life of the connecting wire of the transducer.
Drawings
Fig. 1 is a schematic perspective view of a low-frequency ultrasonic transducer device for tumor treatment according to the present invention;
FIG. 2 is a partial cross-sectional view of a low frequency ultrasound transducer device for tumor treatment in accordance with the present invention;
fig. 3 is a schematic structural view of a housing in a low-frequency ultrasonic transducer device for tumor treatment according to the present invention;
FIG. 4 is a schematic view of a cannula in a low frequency ultrasound transducer device for tumor treatment in accordance with the present invention;
FIG. 5 is an exploded view of a low frequency ultrasound transducer device for tumor therapy in accordance with the present invention;
fig. 6 is a schematic structural diagram of an adjusting ring in a low-frequency ultrasonic transducer device for tumor treatment according to the present invention.
In the figure: 1. a housing; 2. a piezoelectric crystal; 3. a sound absorbing pad block; 4. an acoustic insulation layer; 5. a vibrator; 6. a casing; 7. an adsorption fixing assembly; 8. an elastic force adjusting component; 9. an interlayer; 10. a sleeve; 11. a slip ring; 12. an adjusting ring; 13. a pressing rod; 14. a mounting plate; 15. an air cylinder; 16. a suction cup; 17. a telescopic rod; 18. an annular groove; 19. a bevel opening; 20. a toothed ring; 21. tooth slots; 22. a wiring port; 23. a positive terminal; 24. a connecting wire; 25. a connector lug; 26. and (5) a threaded sleeve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1 to 3, a low frequency ultrasonic transducer device for tumor treatment, comprising a housing 1, a piezoelectric crystal 2, a sound absorption pad 3, a sound absorption insulating layer 4 and a vibrator 5 are arranged in the housing 1, the piezoelectric crystal 2 is a main functional piece and is used for transmitting and receiving ultrasonic waves, the sound absorption pad 3 is used for attenuating and absorbing ultrasonic energy of the piezoelectric crystal 2 back radiation, the sound absorption insulating layer 4 prevents the ultrasonic energy from transmitting the housing 1 to cause reflection, interference on signals is caused, the vibrator 5 is a part directly contacting with skin, a protection layer is added to avoid abrasion and scratch if necessary, and the housing 1 is further provided with:
the casing 6, the casing 6 coaxial sleeve is at the tip of casing 1, forms intermediate layer 9 between casing 6 and the casing 1, and integrated into one piece when casing 6 and casing 1 production.
The adsorption fixing assembly 7 comprises a sleeve 10 and a sliding ring 11 which are arranged in the interlayer 9 in a sliding manner, a spring is arranged between the sleeve 10 and the sliding ring 11, two ends of the spring are fixedly connected with the sleeve 10 and the sliding ring 11 respectively, and the sleeve 10 is also connected with an adsorption mechanism for fixing the transducer on the surface of the skin of a patient.
Referring to fig. 1-3, the adsorption mechanism comprises a mounting plate 14 and an air cylinder 15 which are fixedly arranged on a casing 6, a sucking disc 16 connected with the air cylinder 15 through a conduit is arranged at the bottom end on the mounting plate 14, the air cylinder 15 is communicated with the air pressure inside the sucking disc 16, a telescopic rod 17 fixedly arranged on the outer side wall of the casing 10 is connected in a sealing sliding manner in the air cylinder 15, when a patient performs examination, the transducer is pressed on an affected part of the patient, at the moment, the casing 10 is pressed against a spring to enable the spring to shrink, at the moment, the telescopic rod 17 moves along with the casing 10 to enable the air pressure inside the air cylinder 15 to reduce, when the air inside the air cylinder 15 is exhausted, the sucking disc 16 contacts with the skin of the patient, at the moment, the casing 10 pushes the transducer to move outwards under the action of spring force to enable the air pressure inside the air cylinder 15 to reduce, the sucking disc 16 is adsorbed on the skin of the patient, and the transducer is fixed.
Referring to fig. 4-5, the mounting plates 14 and the air cylinders 15 are provided with a plurality of mounting plates 14 and the air cylinders 15 are arranged in a one-to-one correspondence manner, the plurality of mounting plates 14 are distributed in a circumferential array along the axis of the casing 6, and the plurality of mounting plates 14 are uniformly distributed, so that the adsorption force of the sucking disc 16 is more uniform, discomfort of a patient can be reduced, the fixing of the transducer can be more stable, and the ultrasonic detection effect is better when the transducer is perpendicular to the skin of the patient.
The sucker 16 is made of natural rubber, so that the allergy condition of a patient is effectively reduced, and the patient is more comfortable.
The elastic force adjusting component 8, the elastic force adjusting component 8 comprises an adjusting ring 12, the adjusting ring 12 is propped against the end parts of two propping compression bars 13 fixedly arranged on the sliding ring 11, the sliding ring 11 can move in the axial direction of the shell 1 through adjusting the adjusting ring 12, the effect of adjusting the actual acting distance of the spring is achieved, the spring force is adjusted, and a one-way limiting mechanism for limiting the rotating direction of the adjusting ring 12 is further arranged on the adjusting ring 12.
Referring to fig. 5-6, the top end of the pressing rod 13 is inclined, the adjusting ring 12 is provided with an inclined opening 19 which is consistent with the inclination angle of the end part of the pressing rod 13, the top of the pressing rod 13 is pressed against the inclined opening 19, when the adjusting ring 12 is rotated, the contact position of the pressing rod 13 and the adjusting ring 12 is changed, under the action of a spring, the position of the sliding ring 11 is changed, when the transducer needs to be removed, the end part of the pressing rod 13 can be moved to the lowest position of the inclined opening 19 by rotating the adjusting ring 12, the sliding ring 11 can be lifted to the highest position, at the moment, the elasticity of the spring is insufficient to drive the sleeve 10 to drive the telescopic rod 17 to move, at the moment, the air pressure in the air cylinder 15 is recovered, the sucker 16 no longer has suction force, and the transducer can be easily removed.
Referring to fig. 5-6, the casing 1 is provided with an annular groove 18, the adjusting ring 12 is movably sleeved in the annular groove 18, and the axial length of the annular groove 18 is greater than that of the adjusting ring 12.
Referring to fig. 5-6, the unidirectional limiting mechanism comprises a toothed ring 20 fixedly arranged at the top end of an adjusting ring 12, a tooth groove 21 matched with the toothed ring 20 is formed in the inner side wall of an annular groove 18, the toothed ring 20 is always clamped with the tooth groove 21 under the action of the pressing rod 13, when the adjusting ring 12 is rotated, the pressing rod 13 can be moved downwards, the pressing rod 13 presses an inclined opening 19 through the limit of the tooth groove 21, the adjusting ring 12 cannot rotate reversely, and the axial length of the annular groove 18 is larger than that of the adjusting ring 12, so that unidirectional rotation of the adjusting ring 12 is realized.
Through the cooperation of sleeve pipe 10, spring, inflator 15, telescopic link 17 and sucking disc 16, when doctor uses the transducer, only need aim at the patient affected part with the transducer and press, can be with transducer vertical fixation at patient's affected part, liberated doctor's both hands, reduced doctor's intensity of labour, avoided holding the arm ache that the transducer leads to for a long time, the transducer is got and is put conveniently simultaneously, convenient to use.
Referring to fig. 3-5, the portable electric transducer comprises a shell 1, and is characterized by further comprising a wire connecting mechanism, wherein the wire connecting mechanism comprises a connecting wire 24, a wiring port 22 is formed in the end portion of the shell 1, a negative electrode wiring patch is arranged on the side wall of the wiring port 22, an anode wiring post 23 is fixedly arranged in the middle of the wiring port 22, a wiring head 25 which is installed in a matched mode with the wiring port 22 is arranged on the connecting wire 24, the wiring head 25 is cylindrical, the transducer can be electrified after the wiring head 25 is inserted into the wiring port 22, and free rotation of the transducer can be achieved by matching with the anode wiring post 23 without affecting the state of the connecting wire 24.
Referring to fig. 3-5, the threaded sleeve 26 is rotatably disposed on the connector lug 25, one end of the housing 1, which is close to the connector lug 22, is provided with external threads matched with the threaded sleeve 26, and the connector lug 25 can be stably fixed in the connector lug 22 by matching the external threads with the threaded sleeve 26, meanwhile, the rotation between the connector lug 25 and the connector lug 22 is not affected, the fixed connection mode is avoided, and the connecting wire 24 is wound, bent or even broken.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a low frequency ultrasonic transducer device for tumour treatment, includes casing (1), be equipped with piezoelectric crystal (2), sound absorption pad piece (3), sound absorption insulating layer (4) and oscillator (5) in casing (1), its characterized in that still is equipped with on casing (1): the casing (6) is coaxially sleeved at the end part of the casing (1), and an interlayer (9) is formed between the casing (6) and the casing (1); the adsorption fixing assembly (7), the adsorption fixing assembly (7) comprises a sleeve (10) and a sliding ring (11) which are arranged in the interlayer (9) in a sliding manner, a spring is arranged between the sleeve (10) and the sliding ring (11), and the sleeve (10) is also connected with an adsorption mechanism for fixing the transducer on the surface of the skin of a patient; elasticity adjusting part (8), elasticity adjusting part (8) include adjusting ring (12), adjusting ring (12) offsets with the tip of two pressure bars (13) of fixed setting on slip ring (11), still be equipped with the unidirectional limiting mechanism of restriction adjusting ring (12) pivoted direction on adjusting ring (12), adsorption equipment is including fixing mounting panel (14) and inflator (15) that set up on cover shell (6), the bottom is provided with sucking disc (16) through pipe connection with inflator (15) on mounting panel (14), sealed sliding connection has telescopic link (17) of fixed setting in sleeve pipe (10) lateral wall in inflator (15).
2. The low-frequency ultrasonic transducer device for tumor treatment according to claim 1, wherein a plurality of mounting plates (14) and air cylinders (15) are arranged, the mounting plates (14) and the air cylinders (15) are arranged in a one-to-one correspondence, and the plurality of mounting plates (14) are distributed in a circumferential array along the axis of the casing (6).
3. A low frequency ultrasound transducer device for tumour therapy according to claim 1, wherein the suction cup (16) is of natural rubber material.
4. The low-frequency ultrasonic transducer device for tumor treatment according to claim 1, wherein the casing (1) is provided with an annular groove (18), the adjusting ring (12) is movably sleeved in the annular groove (18), and the axial length of the annular groove (18) is greater than that of the adjusting ring (12).
5. The low-frequency ultrasonic transducer device for tumor treatment according to claim 1, wherein the top end of the pressing rod (13) is obliquely arranged, and the adjusting ring (12) is provided with a bevel (19) which is consistent with the inclination angle of the end part of the pressing rod (13).
6. The low-frequency ultrasonic transducer device for tumor treatment according to claim 4, wherein the unidirectional limiting mechanism comprises a toothed ring (20) fixedly arranged at the top end of the adjusting ring (12), and tooth grooves (21) matched with the toothed ring (20) are formed in the inner side wall of the annular groove (18).
7. The low-frequency ultrasonic transducer device for tumor treatment according to claim 1, further comprising a wire connecting mechanism, wherein the wire connecting mechanism comprises a connecting wire (24), a wiring port (22) is formed in the end portion of the shell (1), a negative electrode wiring patch is arranged on the side wall of the wiring port (22), a positive electrode wiring post (23) is fixedly arranged in the middle of the wiring port (22), and a wiring head (25) which is mounted in a matched mode with the wiring port (22) is arranged on the connecting wire (24).
8. The low-frequency ultrasonic transducer device for tumor treatment according to claim 7, wherein a threaded sleeve (26) is rotatably arranged on the connector lug (25), and an external thread matched with the threaded sleeve (26) is arranged at one end of the shell (1) close to the wire connection opening (22).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111641756.0A CN114287962B (en) | 2021-12-29 | 2021-12-29 | Low-frequency ultrasonic transducer device for tumor treatment |
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| CN202111641756.0A CN114287962B (en) | 2021-12-29 | 2021-12-29 | Low-frequency ultrasonic transducer device for tumor treatment |
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| CN114287962A CN114287962A (en) | 2022-04-08 |
| CN114287962B true CN114287962B (en) | 2024-01-30 |
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| CN117899384A (en) * | 2023-12-29 | 2024-04-19 | 以诺康医疗科技(合肥)有限公司 | Ultrasonic therapeutic instrument acoustic energy output control method, ultrasonic therapeutic instrument acoustic energy output control system and ultrasonic therapeutic head |
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| CN214966834U (en) * | 2021-06-02 | 2021-12-03 | 贵州医科大学附属医院 | Surgical vacuum skin retractor |
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| CN114287962A (en) | 2022-04-08 |
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