CN108338843B - Negative pressure suction front end and negative pressure suction system - Google Patents
Negative pressure suction front end and negative pressure suction system Download PDFInfo
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- CN108338843B CN108338843B CN201710053849.9A CN201710053849A CN108338843B CN 108338843 B CN108338843 B CN 108338843B CN 201710053849 A CN201710053849 A CN 201710053849A CN 108338843 B CN108338843 B CN 108338843B
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- negative pressure
- suction
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- pressure suction
- cabin
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- 238000001179 sorption measurement Methods 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000030279 gene silencing Effects 0.000 claims description 21
- 239000011148 porous material Substances 0.000 claims description 9
- 229920002635 polyurethane Polymers 0.000 claims description 8
- 239000004814 polyurethane Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000001356 surgical procedure Methods 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 10
- 230000007547 defect Effects 0.000 abstract description 4
- 206010052428 Wound Diseases 0.000 description 14
- 208000027418 Wounds and injury Diseases 0.000 description 14
- 239000000779 smoke Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 208000002847 Surgical Wound Diseases 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 208000003322 Coinfection Diseases 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 2
- 239000002156 adsorbate Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical group [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 102100033121 Transcription factor 21 Human genes 0.000 description 1
- 101710119687 Transcription factor 21 Proteins 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000001743 silencing effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2218/001—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
- A61B2218/007—Aspiration
- A61B2218/008—Aspiration for smoke evacuation
Landscapes
- External Artificial Organs (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The negative pressure suction front end comprises a suction cabin, the suction cabin is provided with an annular structure, a suction inlet is arranged on one side, facing to an area surrounded by the annular structure, of the suction cabin, and a discharge outlet for communicating a negative pressure source is also arranged on the suction cabin; the negative pressure suction system comprises a negative pressure suction front end and a negative pressure suction device, wherein the negative pressure suction device comprises a device shell, a negative pressure generating device and an adsorption box, the negative pressure generating device and the adsorption box are arranged in the device shell, and the adsorption box is communicated with a discharge outlet of the negative pressure suction front end through a connecting pipe. The application can be applied to the technical field of negative pressure equipment, can effectively solve the defects in the prior art, can instantly absorb harmful smog, ultrafine harmful particles and smell generated in the operation process, and has higher adsorption efficiency and better adsorption effect.
Description
Technical Field
The present application relates to, but is not limited to, negative pressure equipment, and in particular to a negative pressure suction front end and a negative pressure suction system.
Background
At present, tools such as ESU, laser knife, high-frequency surgical knife and the like are widely used in open surgery, and during the surgery, tissues are destroyed, ablated and decomposed to cause fine particles to suspend in the air, so that harmful smog, superfine harmful particles, smell and the like are generated; in view of this situation, a method is generally adopted in which, during the operation, the hand-held suction tube is moved to the operation site to repeatedly perform suction, so that the operation environment is only slightly improved; however, the above treatment method cannot meet the actual operation requirement, and the adsorption efficiency is low and the adsorption effect is poor.
Disclosure of Invention
The application solves the technical problems of providing the negative pressure suction front end and the negative pressure suction system, which can effectively solve the defects in the prior art, can instantly suck out harmful smog, superfine harmful particles and smell generated in the operation process, and has higher adsorption efficiency and better adsorption effect.
In order to solve the technical problems, the application provides a negative pressure suction front end, which comprises a suction cabin;
the suction cabin is provided with an annular structure, a suction inlet is arranged on one side, facing the area surrounded by the annular structure, of the suction cabin, and a discharge outlet used for communicating a negative pressure source is further arranged on the suction cabin.
The suction cabin is a shell with an inner cavity, a silencing column is arranged in the shell and used for eliminating noise generated by adsorption operation, and the shell is a flexible shell; the silencing post is arranged to be connected with the upper end face and the lower end face of the flexible shell at the same time so as to directly form a supporting structure in the flexible shell; or the silencing post is arranged to be connected with only one end face of the flexible shell, and in the use process, the deformation of the flexible shell enables the silencing post to be contacted with the other end face of the flexible shell so as to indirectly form a supporting structure in the flexible shell.
The negative pressure suction front end can also have the following characteristics,
The annular structure is a closed ring or an open ring, and the area surrounded by the annular structure forms an operation channel for surgery.
The negative pressure suction front end can also have the following characteristics,
The suction cabin is of a flat structure, and the suction inlet is arranged on the inner side surface of the annular structure.
The negative pressure suction front end can also have the following characteristics,
The silencing posts are distributed in the shell in an array mode.
The negative pressure suction front end can also have the following characteristics,
The flexible shell is a rubber shell, a polypropylene shell or a polyurethane shell.
The negative pressure suction front end can also have the following characteristics,
The suction cabin comprises a porous material and a film wrapped on the outer side of the porous material.
The negative pressure suction front end can also have the following characteristics,
The porous material is polyurethane sponge.
In order to solve the technical problems, the application also provides a negative pressure suction system, which comprises the negative pressure suction front end and a negative pressure suction device;
The negative pressure suction device comprises a device shell, a negative pressure generating device and an adsorption box, wherein the negative pressure generating device and the adsorption box are arranged in the device shell, and the adsorption box is communicated with a discharge port at the front end of negative pressure suction through a connecting pipe.
The negative pressure suction system can also have the following characteristics,
The adsorption box comprises a treatment bin and a filtering unit arranged at the inlet position of the treatment bin, and sound absorption materials are arranged in the device shell.
The technical scheme of the application has the following beneficial effects:
Compared with the prior art, the invention can provide necessary channels for operation of the operation wound surface through the operation channels in the negative pressure suction front end, and can effectively meet the actual demands; the negative pressure source is communicated through the exhaust port, so that the suction cabin communicated with the exhaust port is a negative pressure cabin body; through the suction inlet arranged on the inner side surface of the annular structure, smoke, particles and smell at the operation wound surface can be quickly sucked into the suction cabin by the suction inlet, the diffusion of the smoke, the particles and the smell can be effectively avoided, the definition of the visual field of the operation wound surface can be effectively ensured, the smooth operation can be effectively ensured, and a plurality of defects caused by repeated suction of the operation part when the hand-held suction pipe moves in the prior art can be effectively overcome.
Furthermore, the negative pressure suction system can accurately regulate and control and continuously maintain the negative pressure of the suction cabin at the front end through the controller, can instantly remove harmful smog, ultrafine harmful particles and smell generated in the operation process, can ensure clear view in the operation process, can greatly shorten the operation time, reduces secondary infection generated in the operation, and is beneficial to postoperative recovery of patients; simultaneously eliminates the harmful pollution to the medical care workers; in addition, the negative pressure suction system has the characteristics of no electromagnetic interference and silence in the operation process, has the operation decibel less than or equal to 55dB, and has the technical effects of no reverse escape and complete adsorbate treatment.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the embodiments of the application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate and do not limit the application.
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a first embodiment of the present invention;
FIG. 3 is a schematic diagram of a second embodiment of the present invention;
FIG. 4 is a schematic diagram of a second embodiment of the present invention;
Fig. 5 is a schematic structural diagram of a negative pressure suction device in a fourth embodiment of the present invention.
Detailed Description
Hereinafter, embodiments of the present application will be described in detail with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be arbitrarily combined with each other.
Embodiment one:
Referring to fig. 1-2, a negative pressure suction front end provided in a first embodiment of the present invention may include a suction chamber 1; the suction chamber 1 may have an annular structure, and the suction chamber 1 is provided with a suction inlet 12 towards a side of an area surrounded by the annular structure, and is further provided with a discharge outlet 13 for communicating with a negative pressure source. The region surrounded by the annular structure can form an operation channel 11 for operation, and the suction inlet 12 is arranged towards the operation channel 11, so that smoke, particles and smell at the operation wound surface can be adsorbed in time.
In specific operation, the invention can provide necessary channels for operation of the operation wound surface through the operation channel 11, and can effectively meet the actual requirements; the negative pressure source can be communicated through the exhaust port 13, so that the suction cabin communicated with the exhaust port 13 can be a negative pressure cabin body; the suction inlet 12 arranged in the operation channel 11 can be used for rapidly sucking smoke, particles and smell at the operation wound surface into the suction cabin through the suction inlet 12, so that the diffusion of the smoke, the particles and the smell can be effectively avoided, the definition of the visual field of the operation wound surface can be effectively ensured, the smooth operation can be effectively ensured, and a plurality of defects caused by repeated suction of the operation part when the hand-held suction pipe moves in the prior art can be effectively overcome.
In this embodiment, the annular structure is a closed ring, and may be a circular ring, a square ring or a ring with other shapes, the operation channel 11 has a closed area for completely accommodating the surgical wound, and the operation channel 11 is a through hole disposed on the suction chamber 1 and penetrating up and down. The operation channel 11 with the closed area can completely accommodate the operation wound surface, can realize the adsorption operation of smoke, particles and smell of 360 degrees of the operation wound surface, and can ensure the cleaning of the operation wound surface to the greatest extent.
Preferably, the suction chamber has a flat structure, and the suction inlet is arranged on the inner side surface of the annular structure; the suction inlet arranged on the inner side surface of the annular structure can timely adsorb smoke, particles and smell at the operation wound surface, and has a good technical effect.
In a specific operation, the suction chamber 1 may be a housing having an inner cavity, and the suction chamber 1 is preferably a flexible housing; the flexible shell provided by the application can realize the technical effect of clinging to the skin around the operation wound surface, and can effectively eliminate the gap between the flexible shell and the skin. In this embodiment, the thickness of the suction chamber is preferably 50-100mm, and the area of the closed region is preferably 80×45mm 2-300×75mm2.
Preferably, the flexible shell can be a rubber shell, a polypropylene shell, a polyurethane shell or a shell made of other similar medical polymer materials; correspondingly, the flexible shell is preferably a compression molding shell, and the above preferable arrangement can effectively ensure the overall quality of the final flexible shell.
Furthermore, the flexible casing can be effectively connected with the surgical drape laid on the skin around the surgical wound surface through the adhesive or other connecting structures arranged at the bottom end of the flexible casing, so that the smoke, particles and smell in the operation channel 11 can be ensured to be completely sucked by the suction inlet 12.
Preferably, in order to be able to reduce the noise generated by the suction pod 1 during the adsorption process; in this embodiment, the flexible casing is provided with a silencing post 14, and the silencing post 14 is used for eliminating noise generated by the adsorption operation.
Further, the silencing post 14 may be connected to the upper end surface and the lower end surface of the flexible casing at the same time, so as to directly form a supporting structure in the flexible casing; the silencing post 14 may be connected to only one of the end faces, and deformation of the flexible casing during use may cause the silencing post 14 to contact the other end face to indirectly form a support structure in the flexible casing.
In the specific operation, the application combines multiple aerodynamic experiments, and 10-105 silencing posts 14 are arranged in the suction cabin, so that noise generated during suction can be effectively eliminated, and the suction inlet 12 can be ensured to have enough adsorption force; meanwhile, the arrangement of the silencing post 14 can also form a supporting structure in the flexible shell, and the structural strength of the flexible shell can be effectively improved.
In addition, the structure of the silencing post 14 may be a hollow cylinder with a concave upper end surface or a concave lower end surface of the flexible casing, and the silencing post 14 may be formed by blow molding; in order to effectively ensure the actual silencing effect, the silencing posts 14 may be distributed in an array in the housing.
Embodiment two:
The essential difference between the second embodiment and the first embodiment is that: the specific arrangement of the operating channels varies.
As shown in fig. 3 to 4, in a negative pressure suction front end provided in a second embodiment of the present invention, the main structure is similar to that of the embodiment, the suction chamber 1 also has an annular structure, a suction inlet 12 is provided on a side of the suction chamber 1 facing a region surrounded by the annular structure, and a discharge outlet 13 for communicating with a negative pressure source is provided in the suction chamber. For specific description of the above structure, please refer to the description in the first embodiment, and the present embodiment is intended to explain the distinction between the two.
In this embodiment, the annular structure is a split ring, i.e., the operation channel 11 has an open area partially accommodating the surgical wound surface. The operation channel 11 with the opening area can realize partial accommodation of the operation wound surface, can be better suitable for the condition that the operation wound surface is larger or the like, and has better implementation effect; meanwhile, the operation channel 11 in the opening area can provide a better operation view for an operator, and can overcome the operation limitation caused by closing the operation area to a certain extent.
The annular structure is an open ring, and can be a circular ring with a notch, a square ring with a notch or a ring with a notch in other shapes; the person skilled in the art can choose according to the actual situation, in particular to be able to achieve a partial surrounding of the surgical wound. The suction chamber may be provided with a sound deadening column 14.
Embodiment III:
the essential difference between the third embodiment and the first embodiment is that: the specific arrangement of the suction chambers varies.
In the third embodiment of the present invention, the main structure of the suction front end is similar to that of the first embodiment, the suction chamber is also provided with an annular structure, a suction inlet is disposed at a side of the suction chamber facing the area surrounded by the annular structure, and the suction chamber is further provided with a discharge outlet for communicating with a negative pressure source.
In this embodiment, the suction chamber may include a porous material and a film wrapped outside the porous material; among them, the porous material may preferably be polyurethane sponge.
In the concrete operation, the polyurethane sponge is integrally provided with a corresponding annular structure, films are stuck on the upper surface, the lower surface and the outer side surface of the sponge, and holes corresponding to the annular structure are formed in the films; meanwhile, the film on the outer side surface of the sponge can be provided with a corresponding discharge port for communicating a negative pressure source; at this time, the cavity between the inner surface of the film and the holes of the polyurethane sponge can form an attracting cabin, and the suction inlet is positioned on the inner side surface of the annular structure so as to effectively adsorb smoke, particles and smell in the area surrounded by the annular structure.
Embodiment four:
the essential difference between the fourth embodiment and the first embodiment is that: a negative pressure suction device is also arranged.
Referring to fig. 5, a negative pressure suction system provided in a fourth embodiment of the present invention includes a negative pressure suction front end in the first embodiment or the second embodiment or the third embodiment, and for specific description of the negative pressure suction front end, please refer to the description in the first embodiment or the second embodiment or the third embodiment, the present embodiment is intended to illustrate the difference between the two.
In this embodiment, the negative pressure suction system includes a negative pressure suction front end and a negative pressure suction device 2; the negative pressure suction device 2 comprises a device shell, an electric negative pressure generating device and an adsorption box, wherein the electric negative pressure generating device and the adsorption box are arranged in the device shell, the negative pressure generating device comprises a motor 27 and a controller 26, and the controller 26 can be used for controlling the motor 27 to work so as to generate corresponding negative pressure suction; the adsorption box and the exhaust port at the front end of the negative pressure suction can be communicated through a connecting pipe, and the connecting pipe can be a guide pipe.
In a specific operation, the motor 27 can be arranged below the adsorption box to generate a corresponding negative pressure effect so that the adsorption box is in a negative pressure state; furthermore, the suction cabin communicated with the suction box through the discharge port also presents a negative pressure state, so that the suction operation of smoke, particles and smell in the operation channel is smoothly realized; the exhaust port at the front end of the negative pressure suction can be communicated with the adsorption box through the guide pipe, and the exhaust port and the guide pipe can be connected in a buckling manner, so that the convenience in operation of early assembly and later maintenance is ensured.
In this embodiment, the adsorption box includes a treatment bin 24 and a filter unit disposed at an inlet of the treatment bin 24, where the filter unit includes a frame 22 made of a disinfection net, and a filter material 23 filled in the frame 22; the sterilization net is preferably a silver sterilization net, and the filter material 23 is preferably an activated carbon material.
Further, in order to effectively reduce noise generated in the working process of the motor 27, the device housing may be further provided with a sound absorbing material 21, where the sound absorbing material 21 may be a common sound insulating material, so as to achieve a better sound absorbing effect.
The negative pressure suction system provided by the embodiment can accurately regulate and control and continuously maintain the negative pressure of the suction cabin at the front end through the controller 26, can instantly remove harmful smog, ultrafine harmful particles and smell generated in the operation process, can ensure clear view in the operation process, can greatly shorten the operation time, reduces secondary infection generated by the operation, and is beneficial to postoperative recovery of patients; simultaneously eliminates the harmful pollution to the medical care workers; in addition, the negative pressure suction system has the characteristics of no electromagnetic interference and silence in the operation process, has the operation decibel less than or equal to 55dB, and has the technical effects of no reverse escape and complete adsorbate treatment.
In the description of the present application, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
It should be understood by those skilled in the art that, although the embodiments of the present invention are disclosed above, the embodiments are merely adopted for the purpose of facilitating understanding of the embodiments of the present invention, and are not intended to limit the embodiments of the present invention. Any person skilled in the art can make any modification and variation in form and detail without departing from the spirit and scope of the embodiments of the invention, but the scope of the embodiments of the invention is defined by the appended claims.
Claims (9)
1. The negative pressure suction front end is characterized by comprising a suction cabin; the suction cabin is provided with an annular structure, a suction inlet is arranged on one side of the suction cabin facing the area surrounded by the annular structure, and a discharge outlet for communicating a negative pressure source is also arranged in the suction cabin;
The suction cabin is a shell with an inner cavity, a silencing column is arranged in the shell, 10-105 silencing columns are arranged in the suction cabin and used for eliminating noise generated by adsorption operation, and the shell is a flexible shell; the silencing post is arranged to be connected with the upper end face and the lower end face of the flexible shell at the same time so as to directly form a supporting structure in the flexible shell; or the silencing post is arranged to be connected with only one end face of the flexible shell, and in the use process, the deformation of the flexible shell enables the silencing post to be contacted with the other end face of the flexible shell so as to indirectly form a supporting structure in the flexible shell.
2. The negative pressure suction front end according to claim 1, wherein,
The annular structure is a closed ring or an open ring, and the area surrounded by the annular structure forms an operation channel for surgery.
3. The negative pressure suction front end according to claim 1, wherein,
The suction cabin is of a flat structure, and the suction inlet is arranged on the inner side surface of the annular structure.
4. The negative pressure suction front end according to claim 1, wherein,
The silencing posts are distributed in the shell in an array mode.
5. The negative pressure suction front end according to claim 1, wherein,
The flexible shell is a rubber shell, a polypropylene shell or a polyurethane shell.
6. The negative pressure suction front end according to claim 1, 2 or 3, characterized in that,
The suction cabin comprises a porous material and a film wrapped on the outer side of the porous material.
7. The negative pressure suction front end according to claim 6, wherein,
The porous material is polyurethane sponge.
8. A negative pressure suction system, characterized by comprising the negative pressure suction front end according to any one of claims 1-3, and further comprising a negative pressure suction device;
The negative pressure suction device comprises a device shell, a negative pressure generating device and an adsorption box, wherein the negative pressure generating device and the adsorption box are arranged in the device shell, and the adsorption box is communicated with a discharge port at the front end of negative pressure suction through a connecting pipe.
9. The negative pressure suction system of claim 8, wherein,
The adsorption box comprises a treatment bin and a filtering unit arranged at the inlet position of the treatment bin, and sound absorption materials are arranged in the device shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710053849.9A CN108338843B (en) | 2017-01-22 | 2017-01-22 | Negative pressure suction front end and negative pressure suction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710053849.9A CN108338843B (en) | 2017-01-22 | 2017-01-22 | Negative pressure suction front end and negative pressure suction system |
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| Publication Number | Publication Date |
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| CN108338843A CN108338843A (en) | 2018-07-31 |
| CN108338843B true CN108338843B (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710053849.9A Active CN108338843B (en) | 2017-01-22 | 2017-01-22 | Negative pressure suction front end and negative pressure suction system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5052411A (en) * | 1988-08-26 | 1991-10-01 | Arnold Schoolman | Vacuum barrier attachment for medical equipment |
| JP2001193979A (en) * | 2000-01-13 | 2001-07-17 | Go Sekkei Kenkyusho:Kk | Room air recirculation apparatus |
| US6942650B1 (en) * | 1998-04-17 | 2005-09-13 | Innovative Surgical Technologies, Inc. | Evacuator |
| CN104888323A (en) * | 2015-03-24 | 2015-09-09 | 湖南明康中锦医疗科技发展有限公司 | Portable breathing machine |
| CN204648542U (en) * | 2015-03-24 | 2015-09-16 | 河南省新清爽环保科技有限公司 | A kind of air cleaning unit purified the air of a room |
| CN205514990U (en) * | 2016-01-20 | 2016-08-31 | 株式会社东京技研 | Suction machine outside oral cavity |
| CN106310848A (en) * | 2015-06-16 | 2017-01-11 | 杨业 | Negative pressure type air filtering and freshening device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8708985B2 (en) * | 2011-04-21 | 2014-04-29 | Nascent Surgical, Llc | Systems and methods for evacuating materials at a surgical site |
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2017
- 2017-01-22 CN CN201710053849.9A patent/CN108338843B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5052411A (en) * | 1988-08-26 | 1991-10-01 | Arnold Schoolman | Vacuum barrier attachment for medical equipment |
| US6942650B1 (en) * | 1998-04-17 | 2005-09-13 | Innovative Surgical Technologies, Inc. | Evacuator |
| JP2001193979A (en) * | 2000-01-13 | 2001-07-17 | Go Sekkei Kenkyusho:Kk | Room air recirculation apparatus |
| CN104888323A (en) * | 2015-03-24 | 2015-09-09 | 湖南明康中锦医疗科技发展有限公司 | Portable breathing machine |
| CN204648542U (en) * | 2015-03-24 | 2015-09-16 | 河南省新清爽环保科技有限公司 | A kind of air cleaning unit purified the air of a room |
| CN106310848A (en) * | 2015-06-16 | 2017-01-11 | 杨业 | Negative pressure type air filtering and freshening device |
| CN205514990U (en) * | 2016-01-20 | 2016-08-31 | 株式会社东京技研 | Suction machine outside oral cavity |
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| CN108338843A (en) | 2018-07-31 |
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