CN215386399U

CN215386399U - Non-contact medical ultrasonic defoamer

Info

Publication number: CN215386399U
Application number: CN202121153428.1U
Authority: CN
Inventors: 姚伟锋; 陈潮金; 肖雪; 黄紫燕
Original assignee: Third Affiliated Hospital Sun Yat Sen University
Current assignee: Third Affiliated Hospital Sun Yat Sen University
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-01-04
Anticipated expiration: 2031-05-27

Abstract

The utility model relates to the technical field of extracorporeal blood circulation devices, and discloses a non-contact medical ultrasonic defoamer which comprises a machine body, a coil spring assembly and a fixing band; the machine body comprises a shell, a conductive colloid fixing piece and an ultrasonic component; the utility model discloses an ultrasonic wave module, including the casing, ultrasonic wave subassembly, conduction colloid, spring assembly, fixed band, ultrasonic wave subassembly, conduction colloid mounting is in the casing, the conduction colloid is fixed in one side of casing through conduction colloid mounting, a side of conduction colloid is connected with the output of ultrasonic wave subassembly, the another side and the external world contact of conduction colloid, the fixed band passes through spring assembly length adjustable festival and installs in the outside of casing, the connection can be dismantled to the open end of fixed band. The beneficial effects are that: simple structure is reasonable, uses the messenger to fix in the outside of defoaming container, can last the ultrasonic wave of production in the extracorporeal circulation art process, eliminates the microbubble.

Description

Non-contact medical ultrasonic defoamer

Technical Field

The utility model relates to the technical field of extracorporeal blood circulation devices, in particular to a non-contact medical ultrasonic defoamer.

Background

During extracorporeal circulation, if air bubbles are present in the tube, the bubbles can cause direct and rapid destruction of red blood cells during blood circulation. Air bubbles in the circulation line need to be completely purged out of the line before the procedure can begin. During the operation, the blood will also evolve gas to form bubbles, which are also discharged out of the circulation line in time. The large bubbles will automatically float to the surface of the blood and be discharged automatically. Small bubbles can become attached to the inner wall of the container and are difficult to remove. The existing operation mode is that a manual hand is used for bouncing the outer wall of a pipeline, so that micro bubbles are separated from the inner wall and automatically float on the surface of a liquid container to be defoamed. This mode of operation is difficult to work with for extremely fine bubbles, and most of the time, it takes a lot of time for the operator to process the fine bubbles inside the pipeline. This adversely affects the quality and efficiency of the procedure. Operators in extracorporeal circulation have a need for an automatic bubble removal method, which improves the defoaming efficiency and reduces the labor intensity of medical staff.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provides the non-contact medical ultrasonic defoamer which is simple and reasonable in structure, is fixed on a blood tank of an extracorporeal circulation pipeline, continuously generates ultrasonic waves in the extracorporeal circulation process and eliminates micro bubbles.

The purpose of the utility model is realized by the following technical scheme: a non-contact medical ultrasonic defoamer comprises a machine body, a coil spring assembly and a fixing band; the machine body comprises a shell, a conductive colloid fixing piece and an ultrasonic component; the utility model discloses an ultrasonic wave module, including the casing, ultrasonic wave subassembly, conduction colloid, spring assembly, fixed band, ultrasonic wave subassembly, conduction colloid mounting is in the casing, the conduction colloid is fixed in one side of casing through conduction colloid mounting, a side of conduction colloid is connected with the output of ultrasonic wave subassembly, the another side and the external world contact of conduction colloid, the fixed band passes through spring assembly length adjustable festival and installs in the outside of casing, the connection can be dismantled to the open end of fixed band.

Further, the coil spring assembly comprises a rotating shaft, a bearing and a coil spring; the utility model discloses a wind spring, including pivot, spring, first draw-in groove, spring, fixed band, bearing, pivot, first draw-in groove, second draw-in groove, spring, first draw-in groove, spring, second draw-in groove, the one end of fixed band is convoluteed in the pivot to can drive the pivot rotation.

Further, the fixing belt comprises a thick belt, a first thin belt, a second thin belt and a fastening belt; the two ends of the thick belt are respectively connected with a first thin belt and a second thin belt, the first thin belt extends into the shell and is wound on the rotating shaft, the buckling belt is fixed on one side of the shell, which is far away from the first thin belt, and the second thin belt is detachably connected with the buckling belt.

Further, the clamping device also comprises a clamping component, wherein the clamping component comprises a clamp and a boss; the buckle is arranged at the opening end of the buckle belt, the boss is connected with the buckle, the second thin belt is provided with a plurality of buckle holes, and after the second thin belt penetrates through the buckle, the boss is clamped into the corresponding buckle hole.

Further, the ultrasonic assembly includes a battery, a driving plate, and a vibrating body; the battery, the driving plate and the vibrating body are all installed in the shell, the battery supplies power to the driving plate, the vibrating body is connected with the driving plate, and one side face of the conductive colloid is in contact with the vibrating body.

The vibrating body sealing layer is attached to the periphery of the vibrating body.

Further, conduction colloid mounting includes fixing base and gland, open one side of casing has the side direction opening, the one end of fixing base is located the opening, and its other end extends outside the opening, the other end threaded connection of gland and fixing base, the conduction colloid is located the inner chamber of fixing base and gland, and a side of conduction colloid is connected with the output of ultrasonic wave subassembly, another side and the external contact of conduction colloid.

Further, the fixing base includes pedestal and annular wall, the pedestal has the cavity that link up along its thickness direction, pedestal and side direction opening joint, the one end and the pedestal of annular wall are connected, the other end of annular wall extends to the external world, the inboard of the annular wall other end has the screw thread.

Further, the gland comprises a first annular cover and a second annular cover which are connected, the first annular cover is in threaded connection with the other end of the fixing seat, and the outer diameter of the first annular cover is larger than that of the second annular cover.

Further, the casing includes upper cover and base, open one side of base has the side direction opening, the top of base has the top end opening, ultrasonic wave subassembly and wind spring subassembly are all installed in the inner chamber of base, still have in the base with wind spring subassembly matched with fixed column, the one end of conduction colloid mounting is located the inner chamber of base, and its other end passes through the side direction opening of base and outwards extends, the upper cover lock fits in the top end opening of base.

Compared with the prior art, the utility model has the following advantages:

1. the non-contact medical ultrasonic defoamer can generate 40kHz ultrasonic vibration by arranging the ultrasonic assembly, and the vibration of the frequency can lead micro bubbles in liquid to be gathered into large bubbles and leave the liquid. The coil spring assembly in the non-contact medical ultrasonic defoamer is matched with the fixing band, so that the fixing band can be always in a tightened state when being pasted on the surface of a container, and the ultrasonic conduction effect is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 shows a schematic structural view of a non-contact medical ultrasonic defoamer in accordance with the present invention;

FIG. 2 shows an enlarged schematic view at A in FIG. 1;

FIG. 3 shows an enlarged schematic view of a cross section of a coil spring assembly according to the present invention;

FIG. 4 shows an enlarged schematic view in longitudinal section of a coil spring assembly according to the present invention;

FIG. 5 is an enlarged cross-sectional view of a conductive gel mount according to the present invention;

in the figure, 1, a machine body; 2. fixing belts; 3. a housing; 4. a conductive gel; 5. a rotating shaft; 6. a bearing; 7. a coil spring; 8. a first card slot; 9. a second card slot; 10. a bearing fixing table; 11. a thick band; 12. a first thin strip; 13. a second thin strip; 14. a buckle belt; 15. buckling; 16. a boss; 17. a snap-in hole; 18. a battery; 19. a drive plate; 20. a vibrating body; 21. a vibration body sealing layer; 22. a base body; 23. an annular wall; 24. a first annular cover; 25. a second annular cover; 26. an upper cover; 27. a base; 28. and (5) fixing the column.

Detailed Description

The utility model is further illustrated by the following figures and examples.

Example (b):

the non-contact medical ultrasonic defoamer as shown in fig. 1 comprises a body 1, a coil spring assembly and a fixing band 2; the machine body 1 comprises a shell 3, a conductive colloid 4, a conductive colloid fixing piece and an ultrasonic component; the utility model discloses an ultrasonic wave module, including casing 3, ultrasonic wave module, conduction colloid 4, fixed band 2, the connection can be dismantled to the open end of fixed band 2, ultrasonic wave module installation is in casing 3, conduction colloid 4 is fixed in one side of casing 3 through the conduction colloid mounting, a side of conduction colloid 4 is connected with ultrasonic wave module's output, the another side and the external world contact of conduction colloid 4, fixed band 2 passes through spring coiling subassembly length adjustable installation in the outside of casing 3, the connection can be dismantled to the open end of fixed band 2. During the use, fix this device on treating defoaming liquid container outer wall through the fixed band, the working face of conduction colloid 4 with treat defoaming liquid container outer wall laminating, conduct the ultrasonic vibration that the ultrasonic wave subassembly produced to treating in the defoaming liquid container to eliminate the foaming in the extrinsic cycle pipeline. The ultrasonic assembly is capable of generating 40kHz ultrasonic vibrations at a frequency that causes small bubbles in the liquid to coalesce into large bubbles and leave the liquid.

As shown in fig. 3 and 4, the coil spring assembly includes a rotation shaft 5, a bearing 6, and a coil spring 7; bearing 6 passes through bearing fixed station 10 to be installed in the casing, pivot 5 rotationally sets up in casing 3 through bearing 6, and pivot 5 can smoothly rotate in bearing 6, pivot 5 is opened there is first draw-in groove 8, install fixed column 28 in the casing 3, the up end of fixed column 28 is opened has second draw-in groove 9, wind spring 7 encircles in the periphery of pivot 5, the one end and the 8 fixed connection of first draw-in groove of wind spring 7, the other end and the 9 fixed connection of second draw-in groove of wind spring 7, the one end of fixed band 2 is convoluteed in pivot 5 to can drive pivot 5 and rotate. As shown in fig. 3 and fig. four, the top of the rotating shaft 5 is provided with a second engaging groove, the coil spring 7 surrounds the top end portion of the rotating shaft 5, the fixing band 2 surrounds the middle portion of the rotating shaft, both the coil spring 7 and the fixing band 2 can drive the rotating shaft 5 to rotate, and the coil spring 7 and the fixing band 2 are mutually matched, so that the attaching capability of the fixing band 2 and the container wall is improved. During the use, with the 15 straining of buckle of fixed band 2, fixed band 2 can drive pivot 5 and rotate, and wind spring 7 forms a countershaft pulling force this moment, restraines pivot 6 and rotates, makes fixed band 2 be in the state of tightening, makes the conduction colloid 4 on the organism 1 paste tightly and treat the defoaming liquid container outer wall.

As shown in fig. 1, the fixing strap 2 includes a thick strap 11, a first thin strap 12, a second thin strap 13 and a fastening strap 14; the two ends of the thick belt 11 are respectively connected with a first thin belt 12 and a second thin belt 13, the first thin belt 12 extends into the shell 3 and is wound on the rotating shaft 5, the fastening belt 14 is fixed on one side of the shell 3 far away from the first thin belt 12, and the second thin belt 13 is detachably connected with the fastening belt 14. The fixing band 2 is divided into the thick band 11 and the thin band, so that the thin band part of the fixing band is matched with the coil spring 7 conveniently while materials are saved, and the thick band part is attached to the outer wall of the liquid container to be defoamed.

As shown in fig. 2, further comprises a snap assembly comprising a snap 15 and a boss 16; the buckle 15 is installed at the opening end of the buckle belt 14, the boss 16 is connected with the buckle 15, the second thin belt 13 is provided with a plurality of buckle holes 17, and after the second thin belt 13 penetrates through the buckle 15, the boss 16 is clamped into the corresponding buckle hole 17. Through setting up buckle 15, boss 16 and buckle hole 17, when conveniently dismantling fixed band 2, still ensure that fixed band ring can not loosen and take off.

As shown in fig. 3 and 5, the ultrasonic module includes a battery 18, a driving plate 19 and a vibrator body 20; the battery 18, the driving plate 19 and the vibrating body 20 are all installed in the shell 3, the battery 18 supplies power to the driving plate 19, the vibrating body 20 is connected with the driving plate 19, and one side face of the conductive colloid 4 is in contact with the vibrating body 20. The battery 18 is used for supplying power, the driving plate 19 outputs a driving signal of 40kHz, and the vibrating body 20 generates vibration of 40kHz under the driving of the driving signal.

The vibrator sealing layer 21 is further provided, and the vibrator sealing layer 21 is attached to the outer periphery of the vibrator 20. The vibrator sealing layer is soft sealing glue and is filled at the joint of the shell 3 and the vibrator 20, so that the vibration of the vibrator 20 is not influenced, and external liquid is prevented from permeating into the body.

As shown in fig. 5, the conduction colloid mounting includes fixing base and gland, open one side of casing has the side direction opening, the one end of fixing base is located the opening, and its other end extends outside the opening, the other end threaded connection of gland and fixing base, the conduction colloid is located the inner chamber of fixing base and gland, and a side of conduction colloid is connected with the output of ultrasonic wave subassembly, another side and the external world contact of conduction colloid. The conductive gel 4 may be a TPE conductive gel. In the use, the working face (with the one side of external contact) of TPE conduction colloid and the liquid container outer wall of treating the defoaming are laminated mutually, according to the container outer wall characteristics of difference, can change different TPE conduction colloids in order to ensure the laminating effect. The better the laminating effect, the more ultrasonic vibration energy is conducted into the liquid to be defoamed, and the better the defoaming effect is.

As shown in fig. 5, the fixing seat includes a seat body 22 and a ring-shaped wall 23, the seat body 22 has a cavity penetrating along a thickness direction thereof, the seat body 22 is clamped with the lateral opening, one end of the ring-shaped wall 23 is connected with the seat body 22, the other end of the ring-shaped wall 23 extends to the outside, and the inner side of the other end of the ring-shaped wall 23 has a thread. The conductive colloid 4 is positioned in the cavity of the seat body 22, one side of the conductive colloid is connected with the vibrating body 20, and the other side of the conductive colloid extends out through the gland and is attached to the outer wall of the liquid container to be defoamed when in use.

The gland comprises a first annular cover 24 and a second annular cover 25 which are connected, the first annular cover 24 is in threaded connection with the annular wall 23 of the fixing seat, and the outer diameter of the first annular cover 24 is larger than that of the second annular cover 25. The conducting colloid 4 is convenient to fix and replace by arranging the gland.

The housing 3 includes an upper cover 26 and a base 27, a lateral opening is formed in one side of the base 27, a top opening is formed in the top end of the base 27, the ultrasonic component and the coil spring component are both installed in an inner cavity of the base 27, a fixing post 28 matched with the coil spring component is further arranged in the base 27, one end of the seat body 22 of the transmission seat is located in the inner cavity of the base 27, the annular wall 23 of the fixing seat extends outwards through the lateral opening of the base 27, and the upper cover 26 is fastened to the top opening of the base 27. The shell 3 is arranged in a detachable mode, so that the maintenance and the replacement of internal components are convenient.

The above-mentioned embodiments are preferred embodiments of the present invention, and the present invention is not limited thereto, and any other modifications or equivalent substitutions that do not depart from the technical spirit of the present invention are included in the scope of the present invention.

Claims

1. A non-contact medical ultrasonic defoamer is characterized in that: comprises a machine body, a coil spring assembly and a fixing belt; the machine body comprises a shell, a conductive colloid fixing piece and an ultrasonic component; the utility model discloses an ultrasonic wave module, including the casing, ultrasonic wave subassembly, conduction colloid, spring assembly, fixed band, ultrasonic wave subassembly, conduction colloid mounting is in the casing, the conduction colloid is fixed in one side of casing through conduction colloid mounting, a side of conduction colloid is connected with the output of ultrasonic wave subassembly, the another side and the external world contact of conduction colloid, the fixed band passes through spring assembly length adjustable festival and installs in the outside of casing, the connection can be dismantled to the open end of fixed band.

2. The non-contact medical ultrasonic defoamer of claim 1, wherein: the coil spring assembly comprises a rotating shaft, a bearing and a coil spring; the utility model discloses a wind spring, including pivot, spring, first draw-in groove, spring, fixed band, bearing, pivot, first draw-in groove, second draw-in groove, spring, first draw-in groove, spring, second draw-in groove, the one end of fixed band is convoluteed in the pivot to can drive the pivot rotation.

3. The non-contact medical ultrasonic defoamer of claim 2, wherein: the fixing band comprises a thick band, a first thin band, a second thin band and a buckling band; the two ends of the thick belt are respectively connected with a first thin belt and a second thin belt, the first thin belt extends into the shell and is wound on the rotating shaft, the buckling belt is fixed on one side of the shell, which is far away from the first thin belt, and the second thin belt is detachably connected with the buckling belt.

4. The non-contact medical ultrasonic defoamer of claim 3, wherein: the clamping device further comprises a clamping component, and the clamping component comprises a clamp and a boss; the buckle is arranged at the opening end of the buckle belt, the boss is connected with the buckle, the second thin belt is provided with a plurality of buckle holes, and after the second thin belt penetrates through the buckle, the boss is clamped into the corresponding buckle hole.

5. The non-contact medical ultrasonic defoamer of claim 1, wherein: the ultrasonic assembly comprises a battery, a driving plate and a vibrating body; the battery, the driving plate and the vibrating body are all installed in the shell, the battery supplies power to the driving plate, the vibrating body is connected with the driving plate, and one side face of the conductive colloid is in contact with the vibrating body.

6. The non-contact medical ultrasonic defoamer of claim 5, wherein: the vibrating body sealing layer is attached to the periphery of the vibrating body.

7. The non-contact medical ultrasonic defoamer of claim 1, wherein: conduction colloid mounting includes fixing base and gland, open one side of casing has the side direction opening, the one end of fixing base is located the opening, and its other end extends to the opening outward, the other end threaded connection of gland and fixing base, the conduction colloid is located the inner chamber of fixing base and gland, and a side of conduction colloid is connected with the output of ultrasonic wave subassembly, the another side and the external contact of conduction colloid.

8. The non-contact medical ultrasonic defoamer of claim 7, wherein: the fixing base includes pedestal and annular wall, the pedestal has the cavity that link up along its thickness direction, pedestal and side direction opening joint, the one end and the pedestal of annular wall are connected, the other end of annular wall extends to the external world, the inboard of the annular wall other end has the screw thread.

9. The non-contact medical ultrasonic defoamer of claim 7, wherein: the gland comprises a first annular cover and a second annular cover which are connected, the first annular cover is in threaded connection with the other end of the fixing seat, and the outer diameter of the first annular cover is larger than that of the second annular cover.

10. The non-contact medical ultrasonic defoamer of claim 1, wherein: the shell comprises an upper cover and a base, a lateral opening is formed in one side of the base, a top end opening is formed in the top end of the base, the ultrasonic wave assembly and the coil spring assembly are both installed in an inner cavity of the base, a fixing column matched with the coil spring assembly is further arranged in the base, one end of the conductive colloid fixing piece is located in the inner cavity of the base, the other end of the conductive colloid fixing piece extends outwards through the lateral opening of the base, and the upper cover is buckled with the top end opening of the base.