CN211751302U - Special multifunctional aspirator for brain surgery nursing - Google Patents

Abstract

The utility model relates to a special multi-functional aspirator of brain surgery nursing includes aspirator main part (1) and aspirator connecting pipe (2) at least, fixedly connected with on aspirator main part (1) aspirator connecting pipe (2), aspirator connecting pipe (2) are kept away from the one end of aspirator main part (1) is provided with attracts pipe (3), wherein: the suction tube (3) at least comprises a cold light tube (41), a negative pressure suction tube (42) is arranged outside the cold light tube (41) in a sleeved mode, an inflatable soft layer (43) is arranged outside the negative pressure suction tube (42) in a sleeved mode, the cold light tube (41) can form an operation illumination area under the condition that the suction tube (3) is inserted into a wound area of a patient, and the negative pressure suction tube (42) can form a negative pressure drainage channel in a mode that the inflatable soft layer (43) is inflated to seal the wound area of the patient.

Description

Special multifunctional aspirator for brain surgery nursing

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a special multi-functional aspirator of brain surgery nursing.

Background

Brain surgery is a science for studying diseases of the brain, spinal cord and peripheral nervous system by using surgical methods and taking operations as main treatment means. The neurosurgical research category comprises the etiology and pathogenesis of diseases such as congenital dysplasia, trauma, infection, tumor, vasculopathy and genetic metabolic disorder of the nervous system, and the like, and explores a new diagnosis and treatment method, which is the youngest, most complex and most rapidly developing discipline in the medical field at present.

The multifunctional aspirator for brain surgery is popular with people in brain surgery medical treatment because of the advantages of small treatment wound, simple operation and patient pain reduction, but the defects of the multifunctional aspirator widely applied to old type are revealed one by one, firstly, the body type is inconvenient to use during too large operation, secondly, manual adjustment is mostly thrust, the length of the suction port is adjusted to be extremely unstable, moreover, the suction port of most aspirators is rarely provided with a locking device, and because the suction port extending device is a thrust device, the suction port is extremely dangerous during treatment because of the instability of the suction port when in use.

Chinese patent (publication number CN110585493A) discloses a disposable medical aspirator device, relating to the field of medical instruments. Aims to solve the problems that the existing disposable suction apparatus head is easy to scratch normal tissues, is not easy to hold and is easy to break the tube. The invention provides a disposable medical suction apparatus, which mainly comprises: the soft head of the aspirator is sleeved with one end of the aspirator handheld tube, the other end of the aspirator handheld tube is sleeved with one end of the aspirator connecting tube, and the other end of the aspirator connecting tube is connected with the negative pressure device. The invention can reduce the damage to the normal tissue of the human body in the using process of the suction apparatus; the slippage of the aspirator in the use process and the influence of the broken tube on the operation in the use process of the aspirator are prevented, thereby shortening the operation time.

Chinese patent publication No. CN209146883U discloses an optical fiber shadowless lamp, which uses an optical fiber light-transmitting beam as a light-transmitting device, a cold light source as a light input source device, a light input end of the optical fiber light-transmitting beam is coupled with a light source, and a light output end is coupled with an optical lens barrel assembly, and outputs an irradiation spot meeting requirements; when the device is used, the light source is used as the only active device of the system and is arranged outside the hyperbaric oxygen chamber, so that complete power supply isolation in the chamber is realized, and the use safety is ensured; the light source is led into the high-pressure oxygen chamber through the optical fiber light transmission beam, and after the optical output end of the optical fiber light transmission beam is coupled with the lens cone assembly in the lampshade, light spots meeting application requirements are output, so that the illumination effect is remarkably improved. From this prior art patent, can understand, the transmission of light in optic fibre bundle is not restricted by the crooked of bundle appearance, only needs to guarantee that inside fiber silk post keeps intact, and not take place excessive bending and lead to the cellosilk to take place the rupture, just can realize the change of position and shape in certain space according to the demand, obtains the directional cold light source of demand.

Chinese patent publication No. CN2677951 discloses an optical fiber cold light source, which includes a light source box, a light source disposed in the light source box, and an optical fiber light transmitting beam, wherein one end of the optical fiber light transmitting beam is a light input end disposed in the light source box and matched with the light source, and the other end is disposed outside the light source box and used as an output end cold light source, a plano-convex lens and a biconvex lens are sequentially fixed between the light source in the light source box and the light input end, and are on a horizontal straight line with the axial centers of the light source and the optical fiber light transmitting beam, and a certain distance is respectively provided between the light source, the plano-convex lens, the biconvex lens and the. The optical fiber cold light source of the utility model can output convergent light or parallel light, thereby forming bright light spots on the illuminated object and enabling the detail observation of the illuminated object to be brighter and clearer; the plastic optical fiber is used as a light transmitting beam, the manufacturing process is simple, and the cost is low. According to the prior art, the light source in the light source box is processed by the convex lens, so that the light gathering of light and the setting of the size of the light beam are realized, and the light spot emitted from the cold light source at the other end of the light beam is brighter.

Chinese patent (publication No. CN206342732U) discloses a special multifunctional aspirator for brain surgery nursing, which comprises a light-emitting tube and an aspirator, wherein the light-emitting tube is connected with the right end of the aspirator through an aspirating tube, the left end of the light-emitting tube is provided with a connecting valve, the inside of the connecting valve is provided with a first one-way valve, the inside left end of the light-emitting tube is provided with a cold light source, the right end of the cold light source is provided with a second one-way valve, the lower end of the second one-way valve is provided with a vacuum tube connecting groove, the upper end of the vacuum tube connecting groove is provided with an extending sleeve, the right end of the extending sleeve is provided with a threaded disc, the threaded disc is screwed in the inner cavity of a rotating shell, the rotating shell is rotatably connected on the light-emitting tube, the right end of the rotating shell is provided with an aspirating port, the calling of the vacuum tube and the aspirator is realized, the suction port is extended more stably. However, this patent has at least the following drawbacks: this patent can't be fixed in patient wound with the suction opening, can't form stable negative pressure suction space in patient wound, and consequently negative pressure drainage effect is relatively poor, and its illuminating effect is only lighted by ordinary cold light source, has certain functional defect. Therefore, the technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a special multifunctional aspirator for brain surgery nursing.

SUMMERY OF THE UTILITY MODEL

To the deficiency of the prior art, the utility model provides a special multi-functional aspirator of brain surgery nursing includes aspirator main part and aspirator connecting pipe at least, fixedly connected with in the aspirator main part the aspirator connecting pipe, the aspirator connecting pipe is kept away from the one end of aspirator main part is provided with attracts the pipe, wherein: the suction tube at least comprises a cold light tube, a negative pressure suction tube is arranged outside the cold light tube in a sleeving manner, an inflatable soft layer is arranged outside the negative pressure suction tube in a sleeving manner, under the condition that the suction tube is inserted into a wound area of a patient, the cold light tube can form an operation illumination area, and the negative pressure suction tube can form a negative pressure drainage channel in a manner that the inflatable soft layer is inflated to seal the wound area of the patient.

According to a preferred embodiment, the aspirator body is provided with a light source box connected with an optical fiber light transmitting beam of the aspirator connecting pipe, one end of the optical fiber light transmitting beam far away from the optical fiber box is provided with the cold light lamp, wherein: the light source box at least comprises a light source, a plano-convex lens and a double convex lens, wherein the plano-convex lens and the double convex lens are sequentially arranged between the light source and the optical fiber light transmission beam.

According to a preferred embodiment, the aspirator body further comprises a negative pressure device connected with the negative pressure suction tube through a drainage tube provided in the aspirator connection tube, wherein: the negative pressure device at least comprises an accommodating cavity capable of accommodating drainage gas and liquid and a gas pressure adjusting device for adjusting the pressure inside the accommodating cavity.

According to a preferred embodiment, the air pressure adjusting device is communicated with the accommodating cavity through a connecting pipe, the air pressure adjusting device at least comprises a micro air pump, the micro air pump is connected with the accommodating cavity through the connecting pipe, and under the condition that the micro air pump sucks the internal air of the accommodating cavity, the accommodating cavity transmits the drainage air liquid of the patient from the wound area of the patient to the accommodating cavity in a mode of reducing the internal pressure of the accommodating cavity.

According to a preferred embodiment, the air pressure adjusting device further includes a switch valve and a display device, the display device is electrically connected to the switch valve, and when the display device is electrically connected to the switch valve, the micro air pump sucks the air in the accommodating chamber in a manner of changing the opening degree of the switch valve, and the accommodating chamber further includes an air pressure sensor for detecting the pressure inside the accommodating chamber, and the air pressure sensor is electrically connected to the display device.

According to a preferred embodiment, the inflatable soft layer is connected with a micro inflator pump.

According to a preferred embodiment, the suction apparatus connecting pipe is provided with a holding part for facilitating the holding of medical staff, the holding part comprises at least one anti-slip insulating rubber strip, and under the condition that the anti-slip insulating rubber strips are arranged in parallel, a containing chamber for placing fingers is formed between the adjacent anti-slip insulating rubber strips.

According to a preferred embodiment, the air pressure sensor at least comprises a first flexible substrate, a flexible interlayer and a second flexible substrate which are sequentially stacked, wherein at least one air groove is formed in one side, close to the flexible interlayer, of each of the first flexible substrate and the second flexible substrate, and under the condition that one end of each air groove is closed, the air groove can form a closed space capable of containing inert gas in a mode that an air pressure sensor unit is arranged at the other end of the air groove.

According to a preferred embodiment, the air pressure sensor unit at least comprises a shell, a piston, a flexible film and a strain gauge, wherein the piston is arranged in the shell, the shell is divided into a pressure measuring end and a connecting end, the flexible film abuts against the end part, close to the connecting end, of the piston and is in sealing connection with the shell, and the strain gauge is laid on the surface of the flexible film, far away from the side of the piston.

According to a preferred embodiment, when the first flexible substrate and/or the second flexible substrate is/are subjected to an external force, the piston moves towards the connecting end based on the pushing of the inert gas, the strain gauge generates corresponding deformation based on the sliding of the piston, and the air pressure sensor unit further comprises a data processing unit, wherein the data processing unit can generate an air pressure signal, and is electrically connected with the display device.

The utility model discloses have one or more in following beneficial technological effect at least:

(1) the negative pressure drainage device aims at the problems that a traditional brain surgery nursing suction apparatus cannot fix a suction port on a wound of a patient and cannot form a stable negative pressure suction space on the wound of the patient, so that the negative pressure drainage effect is poor, the lighting effect is only lighted by a common cold light source, and certain functional defects are caused. The utility model discloses a to attract the pipe and set up to the cold light pipe, the negative pressure straw with aerify soft layer three-layer, make medical personnel can attract the pipe accuracy to aim at patient's wound through using the cold light pipe and wait to attract the region, carry out adaptability through aerifing the soft layer afterwards and aerify, guarantee can not excessively make patient's wound region form airtight space under the condition of extrusion patient's wound inner wall, can accomplish drainage effect well through opening the negative pressure straw at last, the accurate attraction operation of drainage target, the effect of diagnosing that has promoted the patient when having alleviateed medical personnel intensity of labour, patient's life health has been protected effectively.

(2) The utility model discloses a set up the light source case and make the cold light lamp can go out the parallel light for the cold light lamp can form bright facula in patient's wound region, and the medical personnel of being convenient for are accurate attracts the operation to wound inside, has promoted patient's operation effect.

Drawings

FIG. 1 is a simplified structure connection diagram of the multifunctional aspirator special for brain surgery nursing of the present invention;

FIG. 2 is a simplified connection diagram of the light box of the present invention;

FIG. 3 is a simplified connection diagram of the negative pressure device of the present invention;

fig. 4 is a simplified structural connection diagram of the air pressure sensor of the present invention;

FIG. 5 is a simplified structural connection diagram of the grip portion of the present invention; and

fig. 6 is a simplified structural connection diagram of the air pressure sensor unit according to the present invention.

List of reference numerals

1: the aspirator body 2: aspirator connecting tube 3: suction tube

4: and (5) a micro inflator pump: the grip portion 11: light source box

12: light source 13: the plano-convex lens 14: biconvex lens

15: the negative pressure device 16: the accommodation chamber 17: air pressure adjusting device

18: connecting pipe 21: fiber beam 22: drainage tube

30: first flexible substrate 31: flexible barrier layer 32: a second flexible substrate

33: the gas tank 34: the air pressure sensor unit 41: cold light tube

42: negative pressure suction pipe 43: inflatable soft layer 51: anti-skid insulating rubber strip

52: the accommodation chamber 211: the micro air pump 212: switch valve

213: the display device 214: the air pressure sensor 341: shell body

342: piston 343: flexible film 344: strain gauge

345: data processing unit

Detailed Description

The following detailed description is made with reference to the accompanying drawings. In the description of the present invention, it is to 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" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The word "module" as used herein describes any type of hardware, software, or combination of hardware and software that is capable of performing the functions associated with the "module".

Example 1

As shown in fig. 1, a special multifunctional aspirator for brain surgery nursing at least comprises an aspirator body 1 and an aspirator connecting pipe 2, the aspirator connecting pipe 2 is fixedly connected to the aspirator body 1, and a suction tube 3 is arranged at one end of the aspirator connecting pipe 2 far away from the aspirator body 1, wherein: the suction tube 3 at least comprises a cold light tube 41, a negative pressure suction tube 42 is arranged outside the cold light tube 41 in a sleeving manner, an inflatable soft layer 43 is arranged outside the negative pressure suction tube 42 in a sleeving manner, under the condition that the suction tube 3 is inserted into a wound area of a patient, the cold light lamp 41 can form an operation illumination area, and the negative pressure suction tube 42 can form a negative pressure drainage channel in a manner that the inflatable soft layer 43 is inflated to seal the wound area of the patient. Preferably, the surgical illumination area is defined as the effective illumination area of the patient wound area that the cold light lamp 41 emits light to cover. Preferably, the negative pressure drainage channel is defined as a gas-liquid drainage channel which is transmitted to the negative pressure device 15 by the negative pressure suction pipe 42 under the condition that a closed space is formed in the wound area of the patient. Traditional brain surgery nursing aspirator can't be fixed in patient's wound with the suction opening, can't form stable negative pressure suction space in patient's wound, consequently the negative pressure drainage effect is relatively poor, and its illuminating effect is only lighted by ordinary cold light source, has certain functional defect. The utility model discloses a to attract pipe 3 to set up to cold light pipe 41, negative pressure straw 42 and aerify soft layer 43 three-layer, make medical personnel can be through using cold light pipe 41 will attract pipe 3 accuracy to aim at patient's wound and treat to attract the region, carry out adaptability through aerifing soft layer 43 afterwards and aerify, guarantee can not excessively make patient's wound region form airtight space under the condition of extrusion patient's wound inner wall, can accomplish drainage effectual through opening negative pressure straw 42 at last, the accurate attraction operation of drainage target, the effect of diagnosing that has promoted the patient when having alleviateed medical personnel intensity of labour, patient's life health has been protected effectively.

According to a preferred embodiment, the aspirator body 1 is provided with a light source box 11, the light source box 11 is connected with the optical fiber light transmitting beam 21 of the aspirator connecting tube 2, one end of the optical fiber light transmitting beam 21 far away from the optical fiber box 11 is provided with a cold light lamp 41, wherein: the light source box 11 at least comprises a light source 12, a plano-convex lens 13 and a double-convex lens 14, and the plano-convex lens 13 and the double-convex lens 14 are sequentially arranged between the light source 12 and the optical fiber light transmission beam 21. Preferably, the axial centers of the light source 12, the plano-convex lens 13, the biconvex lens 14 and the input end of the fiber-optic light beam 21 are all on the same horizontal straight line. Preferably, the emergent light refracted by the planoconvex lens 13 and the biconvex lens 14 is parallel light and has a size equal to the cross-sectional area of the input end of the optical fiber beam 21. Preferably, the light source 12 may be a cold light source such as an incandescent lamp. The utility model discloses a set up light source box 11 and make cold light lamp 41 can go out the parallel light for cold light lamp 41 can form bright facula in patient's wound region, and the medical personnel of being convenient for are accurate attracts the operation to wound inside, has promoted patient's operation effect.

According to a preferred embodiment, the aspirator body 1 further comprises a negative pressure device 15, the negative pressure device 15 is connected with the negative pressure suction tube 42 through the drainage tube 22 provided in the aspirator connecting tube 2, wherein: the negative pressure device 15 at least comprises an accommodating cavity 16 capable of accommodating drainage gas and liquid and a gas pressure adjusting device 17 for adjusting the pressure inside the accommodating cavity 16.

According to a preferred embodiment, the air pressure adjusting device 17 is communicated with the accommodating cavity 16 through a connecting pipe 18, the air pressure adjusting device 17 at least comprises a micro air pump 211, the micro air pump 211 is connected with the accommodating cavity 16 through the connecting pipe 18, and under the condition that the micro air pump 211 sucks the internal air of the accommodating cavity 16, the accommodating cavity 16 transmits the drainage air liquid of the patient from the wound area of the patient to the accommodating cavity 16 in a mode of reducing the internal pressure of the accommodating cavity 16. The utility model discloses a set up air pressure adjusting device 17 and realize holding the accurate control of 16 inside pressures in chamber to reach the speed that medical personnel can accurate control the drainage when reaching the patient drainage, avoided the patient effectively because of holding 16 pressures undersize in chamber and cause the too big problem of drainage speed, avoided the patient to cause the risk of cranium brain damage because of the drainage effectively. Preferably, the air pressure adjusting device 17 can effectively prevent the pressure inside the accommodating cavity 16 from being higher than the blood pressure of the patient by setting the pressure threshold value inside the accommodating cavity 16, effectively prevent the occurrence of drainage liquid backflow and siphon phenomenon in the suction process, and protect the life safety of the patient.

According to a preferred embodiment, the air pressure adjusting device 17 further comprises an on-off valve 212 and a display device 213, the display device 213 is electrically connected with the on-off valve 212, in the case that the display device 213 is electrically connected with the on-off valve 212, the micro air pump 211 sucks the air inside the accommodating chamber 16 in a manner of changing the degree of opening and closing of the on-off valve 212, the accommodating chamber 16 further comprises an air pressure sensor 214 for detecting the pressure inside the accommodating chamber 16, and the air pressure sensor 214 is electrically connected with the display device 213. The utility model discloses a set up air pressure adjusting device 17 and can realize the real-time accurate control to holding 16 inside pressures in chamber to simple structure, cost are lower, use value is higher. Preferably, the display device 213 and the switch valve 212 are electrically connected by means of a built-in wire.

According to a preferred embodiment, a micro inflator 4 is connected to the inflatable soft layer 43. Preferably, the micro inflator 4 may be a micro inflation valve related to chinese patent publication No. CN205625783U, and because the inflation and deflation of the inflatable soft layer 43 by the micro inflation valve belong to the conventional technical means, further description is omitted.

According to a preferred embodiment, the suction apparatus connecting tube 2 is provided with a holding part 5 for facilitating the medical staff to hold, the holding part 5 comprises at least one anti-slip insulating rubber strip 51, and in the case that the anti-slip insulating rubber strips 51 are arranged in parallel, a containing chamber 52 for placing fingers is formed between the adjacent anti-slip insulating rubber strips 51. The utility model discloses a set up gripping portion 5 and can effectively prevent the utility model discloses from medical personnel's landing in pointing, on the one hand can make medical personnel conveniently adjust the finger with the utility model discloses a positional relationship improves work efficiency, and on the other hand has avoided the utility model discloses from the landing causes the accident in medical personnel's hand, has promoted the security.

According to a preferred embodiment, the air pressure sensor 214 at least comprises a first flexible substrate 30, a flexible interlayer 31 and a second flexible substrate 32 which are sequentially stacked, wherein one side of each of the first flexible substrate 30 and the second flexible substrate 32, which is close to the flexible interlayer 31, is provided with at least one air groove 33, and in the case that one end of the air groove 33 is closed, the air groove 33 can form a closed space which can be used for containing inert gas in a manner that the other end of the air groove 33 is provided with an air pressure sensor unit 34. When medical personnel drainage the patient, medical personnel can control atmospheric pressure adjusting device 17 through display device 213 and adjust the inside pressure information that holds chamber 16 based on the inside pressure information that holds chamber 16 that display device 213 shows thereby realize drainage process's normal clear. Preferably, the display device 213 is electrically connected to the air pressure sensor 214 by means of an internal wire connection. Preferably, the display device 213 may be provided with an alarm unit, and the display device 213 may prompt medical staff and/or family members of the patient by generating an alarm signal when the information of the internal pressure of the receiving chamber 16 detected by the air pressure sensor 214 is higher than a threshold value.

According to a preferred embodiment, the barometric cell 34 comprises at least a housing 341, a piston 342, a flexible membrane 343 and a strain gauge 344, wherein the piston 342 is separated by the housing 341 into a pressure measuring end and a connection end in such a way that it is arranged in the housing 341, the flexible membrane 343 abuts against the end of the piston 342 close to the connection end and the flexible membrane 343 is sealingly connected to the housing 341, and the strain gauge 344 is applied to the surface of the flexible membrane 343 on the side remote from the piston 342.

According to a preferred embodiment, in the case that the first flexible substrate 30 and/or the second flexible substrate 32 is/are subjected to an external force, the piston 342 moves towards the connection end based on the pushing of the inert gas, the strain gauge 344 generates a corresponding deformation based on the sliding of the piston 342, the air pressure sensor unit 34 further comprises a data processing unit 345, the data processing unit 345 can generate an air pressure signal, and the data processing unit 345 is electrically connected with the display device 213. When the pressure changes, the pressure change of the inert gas can be detected by the data processing unit 345 through the deformation of the strain gauge 344, so that the pressure detection effect with easy control and higher precision can be achieved. Preferably, the data processing unit 345 may be a dedicated data processing chip for processing deformation data, such as: chinese patent publication No. CN108362404A relates to a data processing chip. Preferably, the pressure measuring end is defined as one end of the housing 341 communicating with the inert gas, and the connection end is defined as one end near the piston 342 and the flexible membrane 343.

It should be noted that the above-mentioned embodiments are exemplary, and those skilled in the art can devise various solutions in light of the present disclosure, which are also within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims (10)

1. A multifunctional aspirator special for brain surgery nursing at least comprises an aspirator main body (1) and an aspirator connecting pipe (2), and is characterized in that,

fixedly connected with on aspirator main part (1) aspirator connecting pipe (2), aspirator connecting pipe (2) are kept away from the one end of aspirator main part (1) is provided with and attracts pipe (3), wherein:

the suction tube (3) at least comprises a cold light tube (41), a negative pressure suction tube (42) is arranged outside the cold light tube (41) in a sleeved mode, an inflatable soft layer (43) is arranged outside the negative pressure suction tube (42) in a sleeved mode,

under the condition that the suction tube (3) is inserted into a wound area of a patient, the cold light tube (41) can form an operation illumination area, and the negative pressure suction tube (42) can form a negative pressure drainage channel in a mode that the inflatable soft layer (43) is inflated to seal the wound area of the patient.

2. The multifunctional aspirator according to claim 1, characterized in that the aspirator body (1) is provided with a light source box (11), the light source box (11) is connected with the optical fiber light transmitting beam (21) of the aspirator connecting tube (2), the end of the optical fiber light transmitting beam (21) far away from the light source box (11) is provided with the cold light tube (41), wherein:

light source case (11) include light source (12), plano-convex lens (13) and biconvex lens (14) at least, light source (12) with it passes to be set gradually between light beam (21) plano-convex lens (13) with biconvex lens (14).

3. The multi-functional aspirator of claim 2, characterized in that the aspirator body (1) further comprises a negative pressure device (15), the negative pressure device (15) being connected with the negative pressure suction tube (42) through a drainage tube (22) provided in the aspirator connection tube (2), wherein:

the negative pressure device (15) at least comprises an accommodating cavity (16) capable of accommodating drainage gas and liquid and a gas pressure adjusting device (17) for adjusting the pressure inside the accommodating cavity (16).

4. The multifunctional aspirator according to claim 3, characterized in that an air pressure adjusting device (17) is communicated with the containing chamber (16) through a connecting pipe (18), the air pressure adjusting device (17) comprises at least a micro air pump (211), the micro air pump (211) is connected with the containing chamber (16) through the connecting pipe (18),

under the condition that the micro air pump (211) sucks in the internal air of the accommodating cavity (16), the accommodating cavity (16) transmits the drainage air liquid of the patient to the accommodating cavity (16) from the wound area of the patient in a mode of reducing the internal pressure of the accommodating cavity.

5. The multi-functional aspirator of claim 4, wherein the air pressure adjusting means (17) further comprises a switch valve (212) and a display means (213), the display means (213) is electrically connected with the switch valve (212), and in the case where the display means (213) is electrically connected with the switch valve (212), the micro air pump (211) sucks the air inside the accommodating chamber (16) in such a manner that the degree of opening and closing of the switch valve (212) is changed,

the accommodating cavity (16) further comprises an air pressure sensor (214) for detecting the pressure inside the accommodating cavity (16), and the air pressure sensor (214) is electrically connected with the display device (213).

6. The multifunctional aspirator according to claim 5, characterized in that the inflatable soft layer (43) is connected with a micro inflator pump (4).

7. The multifunctional aspirator according to claim 6, characterized in that the aspirator connecting tube (2) is provided with a grip portion (5) for facilitating the medical staff to hold, the grip portion (5) comprises at least one non-slip insulating rubber strip (51),

under the condition that the anti-skid insulating rubber strips (51) are arranged in parallel, a containing chamber (52) for placing fingers is formed between the adjacent anti-skid insulating rubber strips (51).

8. The multifunctional aspirator of claim 7, wherein the air pressure sensor (214) comprises at least a first flexible substrate (30), a flexible interlayer (31) and a second flexible substrate (32) which are sequentially stacked, one side of each of the first flexible substrate (30) and the second flexible substrate (32) close to the flexible interlayer (31) is provided with at least one air groove (33),

under the condition that one end of the gas tank (33) is closed, the gas tank (33) can form a closed space for containing inert gas in a mode that a gas pressure sensor unit (34) is arranged at the other end of the gas tank.

9. The multifunctional aspirator according to claim 8, characterized in that the air pressure sensor unit (34) comprises at least a housing (341), a piston (342), a flexible membrane (343) and a strain gauge (344), wherein the piston (342) is arranged in the housing (341) and the housing (341) is separated into a pressure measuring end and a connecting end, the flexible membrane (343) abuts against the end of the piston (342) close to the connecting end and the flexible membrane (343) is hermetically connected with the housing (341), and the strain gauge (344) is laid on the surface of the flexible membrane (343) on the side far from the piston (342).

10. The multifunctional aspirator of claim 9, wherein in case the first flexible substrate (30) and/or the second flexible substrate (32) is subjected to an external force, the piston (342) moves towards the connection end based on the push of the inert gas, the strain gauge (344) generates a corresponding deformation based on the sliding of the piston (342),

the air pressure sensor unit (34) further comprises a data processing unit (345), the data processing unit (345) is capable of generating an air pressure signal, and the data processing unit (345) is electrically connected with the display device (213).

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