CN215739318U - Visual diagnosis and treatment device - Google Patents

Abstract

The utility model discloses a visual diagnosis and treatment device, and relates to the technical field of medical instruments. The utility model comprises an operating handle and a receptor needle positioned on the operating handle, wherein the receptor needle is an assembled solid needle; the top end face of the receptor needle is provided with a camera, a bulb and a flow guide pipe, wherein the flow guide pipe penetrates through the receptor needle, and a wire channel for routing a signal wire of the camera and a power wire of the bulb is also arranged in the receptor needle; the operating handle is internally provided with an accommodating cavity and a plurality of external interfaces communicated with the accommodating cavity, and the signal line of the camera, the power line of the bulb and the flow guide pipe pass through the accommodating cavity and extend out of the operating handle along the external interfaces. The utility model can simplify the diagnosis process and improve the efficiency of fast diagnosis of the chest and abdomen diseases.

Description

Visual diagnosis and treatment device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a visual diagnosis and treatment device.

Background

Currently, there are a number of devices and techniques available for laparoscopic aspiration, with ultrasound-guided biopsy techniques being common. The application of laparoscopic techniques allows us to visually explore the abdominal cavity, but the conditions required are harsh and require precise team coordination and anesthesia (general anesthesia), CO2 pneumoperitoneum assistance.

In recent years, the use of laparoscopic pneumoperitoneum-free devices has greatly reduced the impact of creating pneumoperitoneum on the patient during surgery and reduced the surgical attendant requirements. Based on the application of above-mentioned technique, provide a visual device of diagnosing, can be under the condition of local anesthesia or general anesthesia, the acute abdomen diseases such as hemorrhage of audio-visual understanding abdominal cavity, intestinal fistula, anastomotic fistula, liver spleen surface hemorrhage greatly improve chest abdomen disease diagnosis's efficiency.

SUMMERY OF THE UTILITY MODEL

The present invention has been made in view of the above problems, and aims to provide a visualization medical device that overcomes or at least partially solves the above problems.

The utility model provides a visual diagnosis and treatment device, which comprises an operating handle and a receptor needle positioned on the operating handle, wherein the receptor needle is a solid needle;

the top end face of the receptor needle is provided with a camera, a bulb and a flow guide pipe, wherein the flow guide pipe penetrates through the receptor needle, and a wire channel for routing a signal wire of the camera and a power wire of the bulb is further arranged in the receptor needle;

the operating handle is internally provided with a containing cavity and a plurality of external interfaces communicated with the containing cavity, and the signal line of the camera, the power line of the bulb and the flow guide pipe pass through the containing cavity and extend to the outside of the operating handle along the external interfaces.

Optionally, the diameter of the recipient needle does not exceed 1 cm.

Optionally, the top end surface is obliquely arranged to increase the distance between the camera and the flow guide pipe, wherein the distance between the camera and the flow guide pipe is not more than 4 mm.

Optionally, a fillet is provided between the top end face and the receptor needle.

Optionally, a portion of the recipient needle is embedded in the handle and the recipient needle is threadedly coupled to the handle for adjusting a length of the recipient needle extending relative to the handle.

Optionally, the operating handle comprises a guide ball, the guide ball is rotatably connected in the operating handle, and a part of the guide ball is located in the accommodating cavity; wherein the content of the first and second substances,

the receptor needle is in threaded connection with the guide ball, an angle control mechanism used for controlling the rotation direction of the guide ball is arranged on the operating handle, and the rotation direction of the guide ball is controlled by the angle control mechanism so as to adjust the angle of the receptor needle.

Optionally, the angle control mechanism includes an adjusting knob, a rotating disc fixed to the adjusting knob, an adjusting belt, and a pulley guiding the adjusting belt, the adjusting knob is located outside the operating handle, and the rotating disc, the adjusting belt, and the pulley are located in the accommodating cavity; wherein the content of the first and second substances,

the rotating disc is rotatably connected with the operating handle and is meshed with the adjusting belt, two ends of the adjusting belt are respectively fixed on the guide balls, and the adjusting knob and the operating handle are fixed through static friction force; and the number of the first and second electrodes,

the rotating disc is rotated through the adjusting knob, so that the adjusting belt drives the guide ball to rotate.

Optionally, a balloon surrounding the recipient needle is arranged outside the recipient needle, and an inflation tube communicated with the balloon is arranged inside the recipient needle; the inflation tube passes through the accommodating cavity and extends out of the operating handle.

Optionally, the distance between the airbag and the top end face is set to be 1-2 cm.

Compared with the prior art, the utility model comprises an operating handle and a receptor needle positioned on the operating handle, wherein the receptor needle is a solid needle, the top end surface of the receptor needle is provided with a camera, a bulb and a flow guide pipe, the flow guide pipe penetrates through the receptor needle, and a wire channel for routing a signal wire of the camera and a power wire of the bulb is also arranged in the receptor needle; the operating handle is internally provided with an accommodating cavity and a plurality of external interfaces communicated with the accommodating cavity, and the signal line of the camera, the power line of the bulb and the flow guide pipe pass through the accommodating cavity and extend out of the operating handle along the external interfaces. Wherein, the setting of camera and bulb can be audio-visual observes abdominal cavity internal environment, knows the acute abdomen diseases such as the hemorrhage of abdominal cavity, intestines fistula, coincide mouthful fistula, liver spleen surface oozing blood. Can inject liquid into the abdominal cavity through the guide pipe, and can also withdraw a small amount of liquid in the abdominal cavity for assay. Thereby simplifying the diagnosis process and improving the efficiency of diagnosing the chest and abdomen diseases.

The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to refer to like parts throughout the drawings.

In the drawings:

fig. 1 is a schematic structural diagram of a visualized diagnosis and treatment device according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the structure marked at A in FIG. 1 according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional structural diagram of a visualized diagnosis and treatment device provided by an embodiment of the utility model;

fig. 4 is a schematic structural diagram of another visualized medical treatment device provided by the embodiment of the utility model;

fig. 5 is a schematic view of a first cross-sectional structure of another visual diagnosis and treatment device provided by the embodiment of the utility model;

fig. 6 is a second cross-sectional structural diagram of another visual diagnosis and treatment device provided by the embodiment of the utility model;

FIG. 7 is a schematic structural diagram of an angle control mechanism according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a visualized medical treatment device with a balloon in a retracted state according to an embodiment of the present invention;

fig. 9 is a schematic cross-sectional structure diagram of the apparatus shown in fig. 8 according to an embodiment of the present invention.

Fig. 10 is a schematic structural diagram of a visualized medical treatment device with an inflated balloon according to an embodiment of the present invention.

Reference numerals: 1. an operating handle; 2. a recipient needle; 3. a top end face; 4. a camera; 5. a bulb; 6. a flow guide pipe; 7. a wire passage; 8. an accommodating cavity; 9. an external interface; 10. round corners; 11. a guide ball; 12. an angle control mechanism; 1201. adjusting a knob; 1202. rotating the disc; 1203. an adjustment belt; 1204. a pulley; 13. an air bag; 14. and an inflation tube.

Detailed Description

Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the utility model are shown in the drawings, it should be understood that the utility model can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

Referring to fig. 1 to 10, a visual diagnosis and treatment device provided by the embodiments of the present invention is applied to diagnosis of abdominal cavity related disorders, and the device may include an operation handle 1 and an acceptor needle 2 located on the operation handle 1, where the acceptor needle 2 is an assembly type solid needle. The acceptor needle 2 has a certain hardness and toughness, and a person skilled in the art can determine the length of the acceptor needle 2 according to an actual application scenario, which is not limited. For example, the length of the recipient needle 2 may be set to 50-60 cm. Specifically, after the abdominal wall is punctured through the abdominal wall by other diagnostic aids to form an abdominal wall channel, the recipient needle 2 is fed from the abdominal wall channel so that the tip of the recipient needle 2 enters the abdominal cavity.

Referring to fig. 2 and 3, in one example, the recipient needle 2 may have a cylindrical structure, wherein a bottom surface of the recipient needle 2 entering the abdominal cavity may be defined as a top end surface 3, and another bottom surface of the recipient needle 2 is defined as a bottom end surface. The top end face 3 of the acceptor needle 2 is provided with a camera 4, a bulb 5, and a flow guide tube 6. In one example, the bulb 5 and the camera 4 may be symmetrically disposed about the flow conduit 6. Wherein, camera 4 is used for observing or the record to the abdominal cavity condition, and camera 4 can adopt pinhole camera 4. The bulb 5 is used for providing a light source for the camera 4, and the guide pipe 6 can be connected with an external injector, so that on one hand, liquid can be injected into the abdominal cavity, for example, the abdominal cavity is washed, hemostatic medicines and biological glue are sprayed, and the like. On the other hand, a small amount of liquid in the abdominal cavity can be withdrawn by the syringe for testing. The flow guide tube 6 penetrates through the receptor needle 2, and a wire channel 7 for routing a signal wire of the camera 4 and a power wire of the bulb 5 is further arranged in the receptor needle 2. The wire passage 7 of the camera 4 and the wire passage 7 of the bulb 5 may be provided separately. In order to facilitate the arrangement of the guide tube 6, the signal wire of the camera 4 and the power wire of the bulb 5, both the guide tube 6 and the wire passage 7 can penetrate through the receptor needle 2. Where through may be understood as extending from the top end face 3 of the recipient needle 2 out of the bottom end face of the recipient needle 2.

The bottom surface terminal surface of acceptor needle 2 is located handle 1, for the signal line of holding honeycomb duct 6, camera 4 and the power cord of bulb 5, set up an accommodation cavity 8 and with a plurality of external tapping 9 of accommodation cavity 8 intercommunication in the handle 1, the signal line of camera 4 the power cord of bulb 5 and honeycomb duct 6 pass through accommodation cavity 8, and along external tapping 9 extends to outside the handle 1. For example, the signal line of the camera 4 may be connected to an external imaging apparatus, and an image observed by the camera 4 in the abdominal cavity can be displayed by the imaging apparatus. The power cord of the light bulb 5 may be electrically connected to an external power box to control the on/off of the light bulb 5. Preferably, the number of the external interfaces 9 can be 3, and the guide tube 6, the signal wire of the camera 4 and the power wire of the bulb 5 can be led out from different external interfaces 9.

In an alternative embodiment, the diameter of the recipient needle 2 does not exceed 1 cm.

The top end face 3 is obliquely arranged to increase the distance between the camera 4 and the flow guide pipe 6, wherein the distance between the camera 4 and the flow guide pipe 6 is not more than 4 mm.

In this embodiment, the diameter of the recipient needle 2 may not exceed 1cm, considering that it is entered into the abdominal cavity. For example, the diameter of the recipient needle 2 may be 5mm, 6mm, 7mm, 8mm, 9mm, and the like. The person skilled in the art can select the compound according to actual needs, and the compound is not limited herein. The diameter of the puncture needle should not be too large. The area of the top end face 3 is small, and the guide pipe 6, the camera 4 and the bulb 5 need to be installed on the top end face 3 at the same time. Therefore, the distance between the draft tube 6 and the camera 4 may be small, and when liquid is sprayed from the draft tube 6, the liquid splashes onto the camera 4, which affects the image acquisition definition of the camera 4. Thus, the top end face 3 of the recipient needle 2 may be provided as an inclined face, for example, the recipient needle 2 may be a sharp-pointed needle when viewed from the side. From this, can increase the area of top terminal surface 3 to can adjust the distance between camera 4 and the honeycomb duct 6 on top terminal surface 3, thereby reduce honeycomb duct 6 and wash or spray the influence that the time caused camera 4 in the abdominal cavity, optimize the performance of the device. As a preferred embodiment, the distance between the camera 4 and the draft tube 6 may not exceed 4 mm.

Referring to fig. 2, in an alternative embodiment, considering that the connection between the top end surface 3 and the recipient needle 2 is relatively sharp, and thus avoids scratching the abdominal cavity during operation in the abdominal cavity, a rounded corner 10 is provided between the top end surface 3 and the recipient needle 2. The provision of the rounded corners 10 allows the structure to be smoothed, further optimising the performance of the device.

Referring to fig. 3, an alternative embodiment is provided in which a portion of the recipient needle 2 is embedded in the operating handle 1, and the recipient needle 2 is threadedly coupled to the operating handle 1 for adjusting the length of the recipient needle 2 protruding with respect to the operating handle 1. Wherein, an external thread is arranged on the receptor needle 2, and a threaded hole matched with the receptor needle 2 is arranged on the operating handle 1. Preferably, the length of the recipient needle 2 embedded in the lever 1 does not exceed 1/3 of the total length of the recipient needle 2. In practical situations, for example, the length of the recipient needle 2 can be adjusted according to patients of different ages, so that the recipient needle 2 can enter the abdominal cavity of the patient with a more appropriate length.

Referring to fig. 4-6, in an alternative embodiment, the operating handle 1 includes a guide ball 11, the guide ball 11 is rotatably connected in the operating handle 1, and a part of the guide ball 11 is located in the receiving cavity 8; wherein the content of the first and second substances,

the receptor needle 2 is in threaded connection with the guide ball 11, wherein an external thread is formed on the receptor needle 2, and a threaded hole matched with the receptor needle 2 is formed in the guide ball 11. An angle control mechanism 12 for controlling the rotation direction of the guide ball 11 is provided on the operation handle 1, and the rotation direction of the guide ball 11 is controlled by the angle control mechanism 12 to adjust the angle of the recipient needle 2. From this, after recipient needle 2 entered into the abdominal cavity, can be based on the abdominal cavity environment of camera 4 feedback, finely tune recipient needle 2 angle in the abdominal cavity through angle control mechanism 12 to can make the device can follow the change that carries out the angle along with the change of abdominal cavity environment, improve the device's suitability.

Referring to fig. 5-7, in an alternative embodiment, the angular control mechanism 12 includes an adjustment knob 1201, a rotary dial 1202 fixed to the adjustment knob 1201, an adjustment belt 1203, and a pulley 1204 guiding the adjustment belt 1203. The adjusting knob 1201 is positioned on the operating handle 1 and outside the accommodating cavity. The rotating disc 1202, the adjusting belt 1203 and the pulley 1204 are all positioned in the accommodating cavity 8; wherein the content of the first and second substances,

the rotary plate 1202 is rotatably connected to the operating handle 1. Illustratively, a rotating shaft can be rotatably connected to the operating handle 1, and one end of the rotating shaft is located in the accommodating cavity 8 and is fixedly connected to the rotating disc 1202. The other end of the rotating shaft is located outside the operating handle 1 and is fixedly connected with the adjusting knob 1201. Meanwhile, the rotating disc 1202 is provided with engaging teeth, and a part of the adjusting belt 1203 is also provided with engaging teeth, so that the rotating disc 1202 and the adjusting belt 1203 can be engaged. Both ends of the adjusting belt 1203 are respectively fixed on the guide balls 11. In one example, both ends of the adjustment band 1203 may be connected with the guide ball 11 by a snap ring or the like. A contact surface with certain roughness can be arranged on the operating handle 1 and/or the adjusting button 1201, so that the adjusting button 1201 and the operating handle 1 can be fixed through static friction force, and when the adjusting button 1201 is not screwed, the adjusting button 1201 and the operating handle 1 are kept static; and is

When the adjusting button 1201 is screwed, the rotating disc 1202 fixed with the adjusting button 1201 rotates along with the rotation of the adjusting button 1201, so that the adjusting belt 1203 drives the guide ball 11 to rotate. Referring to fig. 7, in an example, when the adjusting button 1201 is screwed clockwise, the rotating disc 1202 drives the adjusting belt 1203 to move clockwise, and the guide ball 11 can be pulled by the adjusting belt 1203 to rotate. Thereby enabling the recipient needle 2 connected to the guide ball 11 to change the angle with the operation handle 1. Fine adjustment of the angle of the recipient needle 2 within the abdominal cavity can thus be achieved.

Referring to fig. 8-10, in an alternative embodiment, a balloon 13 surrounding the recipient needle 2 is provided outside the recipient needle 2, and an inflation tube 14 communicating with the balloon 13 is provided inside the recipient needle 2; the inflation tube 14 extends out of the operation handle 1 through the accommodation cavity 8.

The distance between the air bag 13 and the top end face 3 is set to be 1-2 cm.

In this embodiment, after the recipient needle 2 enters the abdominal cavity, since the space in the abdominal cavity is limited, it is not convenient to further observe the environment in the abdominal cavity, therefore, an air bag 13 surrounding the recipient needle 2 may be provided outside the recipient needle 2, wherein an inflation tube 14 communicating with the air bag 13 may be provided inside the recipient needle 2. In one example, the gas-filled tube 14 may run in the same direction as the flow guide tube 6, i.e. through the bottom end face of the acceptor needle 2, through the receiving chamber 8, and finally out of the handle 1 through the outer connector 9. When the space in the abdominal cavity needs to be expanded, the air bag 13 can be inflated through the inflation tube 14, and when the air bag 13 is in an inflated state, the environment in the abdominal cavity can be conveniently observed. When the air bag 13 is not needed, air is pumped out of the air bag 13 through the inflation tube 14, so that the air bag 13 is in a retraction state.

In one example, the air bag 13 and the receptor needle 2 can be fixed by means of adhesion, the air bag 13 should be arranged close to the top end surface 3 for the convenience of observation, and preferably, the distance between the air bag 13 and the top end surface 3 can be set to be 1-2 cm. For example, the distance may be set to 1cm, 1.5cm, 2cm, or the like. Wherein, the air bag 13 is made of medical grade ultrathin rubber material. The entire airbag 13 may be disposed within a distance range of about 15cm from the top end face 3. In one example, the length of the balloon 13 on the recipient needle 2 is set to 9-15cm when the balloon 13 is in the retracted state. For example, 9cm, 13cm, 15cm, or the like may be set. When the balloon 13 is in the retracted state (when not inflated), the balloon 13 and the recipient needle 2 are completely attached to each other, and can be regarded as being in the same curved surface. For example, a containing groove for containing the airbag 13 may be formed at a position where the airbag 13 corresponding to the recipient needle 2 is installed, so that the airbag 13 may be completely in the same curved surface as the outer side of the recipient needle 2 when the airbag 13 is not inflated. In another example, the maximum diameter corresponding to the volume formed by the balloon 13 when it is in the inflated state is set to 4-6 cm. For example, it may be 4cm, 5cm, or 6 cm. The skilled person can select specific values from the above range of values according to practical situations, and the selection is not limited herein.

In conclusion, the utility model discloses a visual diagnosis and treatment device, which comprises an operation handle 1 and a receptor needle 2 positioned on the operation handle 1, wherein the receptor needle 2 is a solid needle, a camera 4, a bulb 5 and a flow guide pipe 6 are arranged on the top end surface 3 of the receptor needle 2, the flow guide pipe 6 penetrates through the receptor needle 2, and a wire channel 7 for routing a signal wire of the camera 4 and a power wire of the bulb 5 is also arranged in the receptor needle 2; the operating handle 1 is internally provided with a containing cavity 8 and a plurality of external interfaces 9 communicated with the containing cavity 8, and the signal line of the camera 4, the power line of the bulb 5 and the flow guide pipe 6 pass through the containing cavity 8 and extend out of the operating handle 1 along the external interfaces 9. Wherein, the setting of camera 4 and bulb 5 can be audio-visual observes the intra-abdominal cavity environment, knows the hemorrhage of abdominal cavity, intestines fistula, coincide mouthful fistula, acute abdomen diseases such as liver spleen surface bleeding. The liquid can be injected into the abdominal cavity through the guide pipe 6, and a small amount of liquid in the abdominal cavity can be pumped back for assay. Thereby simplifying the diagnosis process and improving the efficiency of diagnosing the chest and abdomen diseases.

The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

As is readily imaginable to the person skilled in the art: any combination of the above embodiments is possible, and thus any combination between the above embodiments is an embodiment of the present invention, but the present disclosure is not necessarily detailed herein for reasons of space.

In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the utility model, various features of the utility model are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the utility model and aiding in the understanding of one or more of the various inventive aspects.

Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the utility model and form different embodiments. For example, in the claims, any of the claimed embodiments may be used in any combination.

Claims (9)

1. A visual diagnosis and treatment device is characterized by comprising an operation handle (1) and a receptor needle (2) positioned on the operation handle (1), wherein the receptor needle (2) is a solid needle;

a camera (4), a bulb (5) and a flow guide pipe (6) are arranged on the top end face (3) of the receptor needle (2), wherein the flow guide pipe (6) penetrates through the receptor needle (2), and a wire channel (7) for routing a signal wire of the camera (4) and a power wire of the bulb (5) is further arranged in the receptor needle (2);

the LED lamp is characterized in that an accommodating cavity (8) and a plurality of outer connectors (9) communicated with the accommodating cavity (8) are arranged in the operating handle (1), a signal line of the camera (4), a power line of the bulb (5) and the guide pipe (6) pass through the accommodating cavity (8), and the outer connectors (9) extend to the outside of the operating handle (1).

2. The device according to claim 1, characterized in that the diameter of the recipient needle (2) does not exceed 1 cm.

3. The device according to claim 1, characterized in that the top end face (3) is arranged obliquely to increase the distance between the camera (4) and the draft tube (6), wherein the distance between the camera (4) and the draft tube (6) does not exceed 4 mm.

4. A device according to claim 1 or 3, characterized in that a fillet (10) is provided between the top end face (3) and the recipient needle (2).

5. The device according to claim 1, characterized in that a portion of the recipient needle (2) is arranged embedded in the operating handle (1) and that the recipient needle (2) is screwed to the operating handle (1) for adjusting the length of the recipient needle (2) protruding with respect to the operating handle (1).

6. The device according to claim 5, characterized in that the operating handle (1) comprises a guide ball (11), the guide ball (11) being rotatably connected within the operating handle (1) and a portion of the guide ball (11) being located within the housing cavity (8); wherein the content of the first and second substances,

the receiver needle (2) is in threaded connection with the guide ball (11), an angle control mechanism (12) used for controlling the rotation direction of the guide ball (11) is arranged on the operating handle (1), and the rotation direction of the guide ball (11) is controlled through the angle control mechanism (12) so as to adjust the angle of the receiver needle (2).

7. The device according to claim 6, characterized in that the angle control mechanism (12) comprises an adjusting knob (1201), a rotating disc (1202) fixed with the adjusting knob (1201), an adjusting belt (1203) and a pulley (1204) guiding the adjusting belt (1203), wherein the adjusting knob (1201) is positioned outside the operating handle (1), and the rotating disc (1202), the adjusting belt (1203) and the pulley (1204) are positioned in the accommodating cavity (8); wherein the content of the first and second substances,

the rotating disc (1202) is rotatably connected with the operating handle (1) and is meshed with the adjusting belt (1203), two ends of the adjusting belt (1203) are respectively fixed on the guide balls (11), and the adjusting knob (1201) and the operating handle (1) are fixed through static friction force; and the number of the first and second electrodes,

the rotating disc (1202) is rotated through the adjusting knob (1201), so that the adjusting belt (1203) drives the guide ball (11) to rotate.

8. The device according to claim 1, characterized in that a balloon (13) surrounding the recipient needle (2) is arranged outside the recipient needle (2), and an inflation tube (14) communicating with the balloon (13) is arranged inside the recipient needle (2); the inflation tube (14) extends out of the operating handle (1) through the accommodating cavity (8).

9. The device according to claim 8, characterized in that the distance between the balloon (13) and the top end surface (3) is set to 1-2 cm.

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