CN109938899B - Vapour-pressure type face anti-scar device - Google Patents
Vapour-pressure type face anti-scar device Download PDFInfo
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- CN109938899B CN109938899B CN201910233374.0A CN201910233374A CN109938899B CN 109938899 B CN109938899 B CN 109938899B CN 201910233374 A CN201910233374 A CN 201910233374A CN 109938899 B CN109938899 B CN 109938899B
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Abstract
The invention discloses a pneumatic facial anti-scar device, which comprises: the mask can cover and tightly press the face of a human body; the air bag is arranged on one surface of the mask facing the face of the human body; the air bag is provided with an inflation valve and a pressure measuring valve, and the inflation valve and the pressure measuring valve are exposed out of one surface of the face mask, which faces away from the human body. The vapour-pressure type facial anti-scar device of above-mentioned structure can accurate control service pressure, improves anti-scar's effect.
Description
Technical Field
The invention relates to the field of auxiliary medical instruments, in particular to an air pressure type facial anti-scar device.
Background
Clinically, the anti-scar hyperplasia is usually treated by adopting a pressure therapy, and has the advantages of safety, simplicity, low cost, definite curative effect, low recurrence rate and the like. The therapeutic mechanism of the pressure therapy is that the newly healed wound is utilized, because the collagens are arranged in an annual ring shape or in a knot shape, the fusion between the collagens is not firm and is easy to be influenced by mechanical force, therefore, the pressure therapy is used in the early stage after the healed wound or the skin grafting repair, the local collagens can be rearranged, the number of blood vessels is reduced, the fibrocyte proliferation is blocked, and the scar proliferation is limited.
The existing facial anti-scar instrument is mainly a facial elastic sleeve, namely an elastic sleeve similar to a headgear is worn on the head of a user to cause elastic pressure on the face, so that the pressure therapy is applied to the facial wound, the scar formation is reduced, and the scar maturation is promoted.
The main structure of the currently used face elastic sleeve is made of a layer of elastic fabric, so that the tightness is not well controlled when the face elastic sleeve is worn and used, the pressure applied to a face wound cannot be well controlled, and the optimal anti-scar effect is difficult to achieve.
Disclosure of Invention
Aiming at the problems, the invention provides the air pressure type facial anti-scar device, so that the use pressure is accurately controlled, and the anti-scar effect is improved.
In order to achieve the technical effects, the invention adopts the technical scheme that:
a pneumatic facial anti-scarring device comprising:
the mask can cover and tightly press the face of a human body; and
the air bag is arranged on one surface of the mask facing the face of the human body; the air bag is provided with an inflation valve and a pressure measuring valve, and the inflation valve and the pressure measuring valve are exposed out of one surface of the face mask, which faces away from the human body.
Further, the mask includes: the face cover piece corresponds to the face of a human body, the upper fixing belts extend out from two sides, close to the top of the head, of the face cover piece, and the lower fixing belts extend out from two sides, close to the neck, of the face cover piece, the end portions of the upper fixing belts on the two sides are detachably connected and adjustable in connection length, and the end portions of the lower fixing belts on the two sides are detachably connected and adjustable in connection length; the air bag is attached to the inner surface of the face cover plate.
Furthermore, the upper fixing band and the lower fixing band on two sides are detachably connected through the magic tape, the hair side of the magic tape is arranged on the inner surface of the upper fixing band and the inner surface of the lower fixing band on one side, and the hook side of the magic tape is arranged on the outer surface of the upper fixing band and the outer surface of the lower fixing band on the other side.
Further, the inflation valve is arranged on each of two side portions of the airbag.
Further, the inflation valve is a male connector of a pneumatic quick connector, and a female connector matched with the male connector is arranged at the connector end of the inflation device.
Further, vapour-pressure type face anti scar device still include: and the pressure measuring device is provided with a pressure measuring joint which can be matched and connected with the pressure measuring valve.
Further, the pressure measuring valve includes: the air bag valve comprises a valve seat, a valve core and a spring, wherein the valve seat is cylindrical, a valve hole which is axially communicated along the cylinder is formed in the valve seat, one end of the valve hole is communicated with an air bag, the other end of the valve hole is in a conical hole shape, the diameter of the conical hole is gradually reduced towards the end part, the valve core is arranged in the valve hole, one end of the valve core is in a conical shape matched with the conical hole of the valve hole, the tip end of the conical shape can protrude out of the valve hole, the other end of the valve core is connected with one end of the spring; the pressure tap includes: the plug comprises a connecting seat, a sealing ring and a plug, wherein a step hole is arranged on the connecting seat in a penetrating manner, the small hole end of the step hole is connected with a pressure detector, and the large hole of the step hole is matched with the outer diameter of a valve seat and is detachably connected with the valve seat; the sealing ring is arranged in the large hole of the step hole and is abutted against the step surface; the top is arranged in the stepped hole and extends along the axial direction of the stepped hole, one end of the top is connected to the hole wall of the stepped hole close to the end part of the small hole, a gap is reserved between the circumferential direction of the top and the stepped hole, and the other end of the top protrudes out of the stepped surface of the stepped hole.
Further, the pressure tap further comprises: the pushing mechanism of setting in the aperture of step hole, pushing mechanism includes: the guide plate, the guide seat, the elastic sealing film, the wedge block and the compression bar; the guide plate and the guide seat are respectively fixed at one end close to the large hole and one end far away from the large hole in the small hole, a first shaft hole and a second shaft hole which are communicated along the axial direction of the stepped hole are respectively arranged on the guide plate and the guide seat, the diameter of the second shaft hole is larger than that of the first shaft hole, and a sliding hole which is communicated along the radial direction of the stepped hole is arranged on the guide seat; a connecting hole is formed in the position, corresponding to one end of the sliding hole, of the connecting seat, a groove is formed in one end, located in the step hole, of the connecting hole, and the opening area of the groove is larger than that of the connecting hole; the elastic sealing membrane is arranged on the opening of the groove in a sealing manner; the wedge block is inserted into the sliding hole in a sliding manner, one end of the wedge block, which is positioned in the second shaft hole, is provided with an inclined surface facing the guide plate, and one end of the wedge block, which is positioned outside the guide seat, is fixedly connected with the elastic sealing film; the compression bar is inserted into the connecting hole in a sliding manner, the inner end of the compression bar is fixedly connected with the elastic sealing film, and the outer end of the compression bar protrudes out of the outer surface of the connecting seat; the ejector is a step shaft, a small shaft section of the step shaft is slidably inserted into the first shaft hole, a large shaft section of the step shaft is slidably inserted into the second shaft hole, and the end part of the large shaft section is abutted to the inclined plane of the wedge block.
Furthermore, an inner thread is arranged on the inner wall of the large hole of the stepped hole of the connecting seat, and an outer thread matched with the inner thread is arranged on the outer surface of the valve seat.
Further, vapour-pressure type face anti scar device still include: the lining cloth is arranged on one surface of the air bag facing the human face, and the thickness of the lining cloth is not less than 2 mm.
Compared with the prior art, the invention has the beneficial effects that:
1. the air bag is additionally arranged on the inner side of the face mask, so that the structure is simple and the wearing is convenient;
2. the inflation valve arranged on the air bag can conveniently carry out inflation and deflation and supplement to the air bag at any time, and can durably and effectively control the pressure applied to the face when the air bag is worn, thereby ensuring the effect of the pressure therapy;
3. through the pressure measuring valve that sets up on the gasbag, can survey the actual pressure of gasbag in real time, can obtain the best pressure of needs with the inflation valve cooperation to reach the best anti scar effect.
Drawings
FIG. 1 is a schematic front side perspective view of an embodiment of the present invention;
FIG. 2 is a schematic rear side three-dimensional structure of an embodiment of the present invention;
FIG. 3 is a schematic side view of an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of section A in FIG. 3;
FIG. 5 is a schematic cross-sectional view of section B in FIG. 3;
FIG. 6 is an exploded view of a pressure measurement valve and pressure measurement connection according to an embodiment of the present invention;
FIG. 7 is a schematic view of the connection between a pressure measuring valve and a pressure measuring connector according to an embodiment of the present invention;
reference numerals:
1-face mask, 11-face cover sheet, 12-upper fixing belt, 13-lower fixing belt, 14-magic tape, 141-hair surface, 142-hook surface, 2-air bag, 3-inflation valve, 4-pressure measuring valve, 41-valve seat, 411-valve hole, 412-external thread, 42-valve core, 43-spring, 44-limiting plate, 5-pressure measuring device, 6-pressure measuring joint, 61-connecting seat, 611-step hole, 612-connecting hole, 613-groove, 614-internal thread, 62-sealing ring, 63-top head, 64-pushing mechanism, 641-guide plate, 6411-first shaft hole, 642-guide seat, 6421-second shaft hole, 6422-sliding hole, 643-elastic sealing membrane, 644-wedge block, 645 pressure bar, 7 lining cloth.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like, which indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are used only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced components or structures must have a specific orientation, be constructed in a specific orientation, and be operated, and thus are not to be construed as limiting the present invention.
As shown in fig. 1 to 5, the pneumatic facial anti-scarring device provided by the embodiments in the market mainly comprises a mask 1 and an air bag 2.
The face mask 1 can cover and press against the face of a human body, and specifically, the face mask 1 in the present embodiment includes: the face cover piece 11 that corresponds with human face, the upper fixing band 12 that extends out from the both sides that are close to the crown of the head of face cover piece 11 and the lower fixing band 13 that extends out from the both sides that are close to the neck of face cover piece 11, the connection can be dismantled to the tip of the upper fixing band 12 of both sides, and connection length is adjustable, and the connection can be dismantled to the tip of the lower fixing band 13 of both sides, and connection length is adjustable. Thereby under last fixed band 12 and the lower fixed band 13 state of opening, cover face patch 11 lid to the face, let after with last fixed band 12 and lower fixed band 13 connect around the brain after, just can realize the fixed of face guard 1 and gasbag 2 in it at the face, simple structure, convenient to use.
In this embodiment, the connection can be dismantled through magic subsides 14 respectively to the last fixed band 12 and the lower fixed band 13 of both sides, and the matte 141 of magic subsides 14 sets up the internal surface at the last fixed band 12 and the lower fixed band 13 of one side, and the hook face 142 of magic subsides 14 sets up the surface at the last fixed band 12 and the lower fixed band 13 of opposite side. Therefore, the upper fixing band 12 and the lower fixing band 13 can be conveniently connected through the magic tape 14, the connection length can be randomly adjusted, and the magic tape is more convenient to adapt to different patients to use.
The gasbag 2 sets up on the face towards human face of face guard 1, specifically is the attached setting on the internal surface of face covering piece 11 to after face guard 1 fixes at the head, exert pressure to facial skin through gasbag 2, and the accessible is adjusted the accurate pressure of applying at the affected part of the volume of aerifing of gasbag 2, guarantees the effect of pressure therapy. The one side of gasbag 2 towards human face is gone up and is set up one deck lining cloth 7 best, and the thickness of lining cloth 7 should be no less than 2mm to through lining cloth 7 and facial skin contact, and can realize facial ventilative through lining cloth 7, improve the travelling comfort of contact, guarantee the security and the recovery effect of wound.
The air bag 2 is inflated and deflated through an inflation valve 3 arranged on the air bag. The inflation valve 3 in the embodiment adopts a male connector of a pneumatic quick connector, the male connector has self-sealing performance, and the valve core of the inflation valve can be deflated by external force constant pressure; meanwhile, the female connector matched with the male connector is arranged at the interface end of an inflating device such as a compressed gas pipe, an inflator and the like in a ward, so that the pneumatic quick connector can be conveniently disassembled, air pressure charging and discharging and random supplement can be carried out on the air bag 2, the pressure applied to the face when the air bag is worn can be durably and effectively controlled, and the effect of pressure therapy can be ensured. The inflation valves 3 are preferably arranged on two sides of the air bag 2 respectively, so that the air bag 2 can be inflated at multiple points, the uniformity of air in the air bag is ensured, the air can be inflated and deflated at multiple points simultaneously, and the inflation and deflation speed is improved.
Simultaneously be provided with pressure-measuring valve 4 on gasbag 2, through pressure-measuring valve 4 that sets up on gasbag 2, can record the actual pressure of gasbag 2 in real time, can obtain the best pressure of needs with the cooperation of inflation valve 3 to reach best anti scar effect. When letting inflation valve 3 and pressure-measuring valve 4 all because of exposing in the one side of face guard 1 dorsad human body, conveniently wear to carry out corresponding operation after accomplishing at face guard 1.
As shown in fig. 6 and 7, in the present embodiment, in order to conveniently measure the pressure of the airbag 2, a pressure measuring device 5 is provided for matching with the airbag, the pressure measuring device 5 specifically uses a gas pressure testing element such as a pressure gauge, and the pressure measuring connector 6 capable of matching with the pressure measuring valve 4 is provided on the pressure measuring device 5, so that the pressure measuring device 5 is separated from the main body, and the matched pressure measuring device 5 can be conveniently connected to measure the pressure at any time and any place while ensuring the portability of the use of the mask 1.
Specifically, referring to fig. 6, the pressure measuring valve 4 includes: the valve comprises a valve seat 41, a valve core 42 and a spring 43, wherein the valve seat 41 is cylindrical, a valve hole 411 which is through along the axial direction of the cylinder is arranged in the valve seat 41, the valve seat 41 is fixed on the mask 1 or the air bag 2, one end of the valve hole 411 is communicated with the air bag 2, the other end of the valve hole 411 is in a conical hole shape of which the diameter is gradually reduced towards the end part, the valve core 42 is arranged in the valve hole 411, one end of the valve core 42 is in a conical shape matched with the conical hole of the valve hole 411, the tip end of the conical shape can protrude out of the valve hole 411, the other end of the valve core 42 is connected with one end of the spring 43, the other end of the spring 43 is fixed at one end, far away from the conical hole part, of the valve hole 411 is specifically suspended in the middle of the valve hole 411, and then the. In a normal state, the valve core 42 protrudes towards the conical hole end of the valve hole 411 under the action of elastic force, one part of the conical end of the valve core 42 protrudes out of the valve hole 411, and the conical surfaces of the other parts are in contact with the inner wall of the conical hole of the valve hole 411 to form sealing, so that the self-sealing performance of the pressure measuring valve 4 is ensured, and when the conical tip of the valve core 42 is pressed, the valve core 42 moves inwards to separate the conical surfaces from the inner wall of the conical hole of the valve hole 411, so that ventilation can be realized.
The pressure measuring connector 6 is used in combination with the pressure measuring valve 4, and comprises: the connecting seat 61, the sealing ring 62 and the plug 63, a stepped hole 611 is formed in the connecting seat 61 in a penetrating mode, a small hole end of the stepped hole 611 is connected with the pressure measuring device 5, a large hole of the stepped hole 611 is matched with the outer diameter of the valve seat 41 and is detachably connected with the valve seat 41, an internal thread 614 can be arranged on the inner wall of the large hole of the stepped hole 611, and an external thread 412 matched with the internal thread 614 is arranged on the outer surface of the valve seat 41, so that the connecting seat 61 and the valve seat 41 are connected in a threaded mode. The sealing ring 62 is disposed in the large hole of the stepped hole 611 and abuts against the stepped surface, and when the valve seat is connected, the end of the valve seat 41 abuts against the sealing ring 62, which ensures the sealing connection of the valve hole 411 and the stepped hole 611, see fig. 7. The top 63 is arranged in the stepped hole 611 and extends along the axial direction of the stepped hole 611, one end of the top 63 is connected to the hole wall of the stepped hole 611 close to the end of the small hole, a gap is formed between the circumferential direction of the top 63 and the stepped hole 611, so that the pressure measurement gas can pass through the gap, the other end of the top 63 protrudes out of the stepped surface of the stepped hole 611, and therefore when the connecting seat 61 is in butt joint with the valve seat 41, the end of the top 63 can press the tip of the cone protruding from the valve core 42, the pressure measurement valve 4 is enabled to ventilate, and the normal pressure measurement of the pressure measurement device 5 is guaranteed.
Meanwhile, in order to avoid that the sealing ring 62 is not pressed and sealed in the connection process of the connecting seat 61 and the valve seat 41, the plug 63 jacks the valve core 42 to ventilate, so that air leakage is caused, and pressure measurement is inaccurate, a pushing mechanism 64 is arranged for the pressure measurement connector 6 in the embodiment.
Referring to fig. 6 and 7, the pushing mechanism 64 is disposed in the small hole of the stepped hole 611, and includes: guide 641, guide 642, elastic sealing membrane 643, wedge 644 and plunger 645. The guide plate 641 and the guide seat 642 are respectively fixed at one end close to the large hole and one end far away from the large hole in the small hole, a first shaft hole 6411 and a second shaft hole 6421 which penetrate along the axial direction of the stepped hole 611 are respectively arranged on the guide plate 641 and the guide seat 642, the diameter of the second shaft hole 6421 is larger than that of the first shaft hole 6411, and a sliding hole 6422 which penetrates along the radial direction of the stepped hole 611 is arranged on the guide seat 642; a connecting hole 612 is formed in a position, corresponding to one end of the sliding hole 6422, of the connecting seat 61, a groove 613 is formed in one end, located in the stepped hole 611, of the connecting hole 612, and the opening area of the groove 613 is larger than that of the connecting hole 612; the elastic sealing film 643 is sealingly provided on the opening of the groove 613 so as to seal the connection hole 612 from the stepped hole 611, air leakage from the connection hole 612 is prevented, and the area of the elastic sealing film 643 is larger than the connection hole 612, which can provide a sufficient deformation space and deformation amount for the elastic sealing film 643. The wedge 644 is slidably inserted into the sliding hole 6422, one end of the wedge 644 located in the second shaft hole 6421 is provided with a slope facing the guide plate 641, and one end of the wedge 644 located outside the guide seat 642 is fixedly connected with the elastic sealing membrane 643; the compression rod 645 is inserted into the connecting hole 612 in a sliding mode, the inner end of the compression rod 645 is fixedly connected with the elastic sealing film 643, and the outer end of the compression rod 645 protrudes out of the outer surface of the connecting seat 61. The elastic sealing film 643 can keep a plane device in a normal state through the elasticity of the elastic sealing film 643, and the wedge 644 and the pressing rod 645 are in an original position as shown in fig. 6; when inward pressure is applied to the pressing rod 645, the elastic sealing membrane 643 can be pressed to deform inwards and drive the wedge 644 to move inwards, and after the pressure on the pressing rod 645 is removed, the elastic sealing membrane 643 rebounds to reset the wedge 644 and the pressing rod 645.
Corresponding to the structure of the upper pushing mechanism 64, the top 63 is set as a stepped shaft, a small shaft section of the stepped shaft is slidably inserted into the first shaft hole 6411 on the guide plate 641, a large shaft section of the stepped shaft is slidably inserted into the second shaft hole 6421 on the guide base 642, and an end of the large shaft section abuts against an inclined surface of the wedge 644, the top 63 connected in a normal state is not in contact with the valve element 42, and when the wedge 644 moves inwards, the end of the large shaft section of the top 63 can be wedged into the wedge, so that the top 63 is pushed to move towards the valve element 42 to form jacking, and the pressure measuring valve 4 is further ventilated and conducted. It is preferable that the end of the large shaft section of the plug 63 is also provided with an inclined surface facing the wedge 644, so that the wedging effect between the wedge 644 and the plug 63 is improved, and the smoothness when the plug 63 is ejected is improved.
In conclusion, the air pressure type facial anti-scar device adopting the technical scheme can accurately control the use pressure and improve the anti-scar effect.
It should be noted that the above preferred embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not cause the essence of the corresponding technical solution to depart from the scope of the technical solution of the embodiments of the present invention, and are intended to be covered by the claims and the specification of the present invention.
Claims (7)
1. An anti scar device of vapour-pressure type face, characterized by, includes:
the mask can cover and tightly press the face of a human body; and
the air bag is arranged on one surface of the mask facing the face of the human body; the air bag is provided with an inflation valve and a pressure measuring valve, and the inflation valve and the pressure measuring valve are exposed out of one surface of the mask, which faces away from the human body;
further comprising: the pressure measuring device is provided with a pressure measuring joint which can be matched and connected with the pressure measuring valve;
the pressure measuring valve includes: the air bag valve comprises a valve seat, a valve core and a spring, wherein the valve seat is cylindrical, a valve hole which is axially communicated along the cylinder is formed in the valve seat, one end of the valve hole is communicated with an air bag, the other end of the valve hole is in a conical hole shape, the diameter of the conical hole is gradually reduced towards the end part, the valve core is arranged in the valve hole, one end of the valve core is in a conical shape matched with the conical hole of the valve hole, the tip end of the conical shape can protrude out of the valve hole, the other end of the valve core is connected with one end of the spring;
the pressure tap includes: the plug comprises a connecting seat, a sealing ring and a plug, wherein a step hole is arranged on the connecting seat in a penetrating manner, the small hole end of the step hole is connected with a pressure detector, and the large hole of the step hole is matched with the outer diameter of a valve seat and is detachably connected with the valve seat; the sealing ring is arranged in the large hole of the step hole and is abutted against the step surface; the plug is arranged in the stepped hole and extends along the axial direction of the stepped hole, one end of the plug is connected to the hole wall of the stepped hole close to the end part of the small hole, a gap is reserved between the circumferential direction of the plug and the stepped hole, and the other end of the plug protrudes out of the stepped surface of the stepped hole;
the pressure tap further comprises: the pushing mechanism of setting in the aperture of step hole, pushing mechanism includes: the guide plate, the guide seat, the elastic sealing film, the wedge block and the compression bar;
the guide plate and the guide seat are respectively fixed at one end close to the large hole and one end far away from the large hole in the small hole, a first shaft hole and a second shaft hole which are communicated along the axial direction of the stepped hole are respectively arranged on the guide plate and the guide seat, the diameter of the second shaft hole is larger than that of the first shaft hole, and a sliding hole which is communicated along the radial direction of the stepped hole is arranged on the guide seat; a connecting hole is formed in the position, corresponding to one end of the sliding hole, of the connecting seat, a groove is formed in one end, located in the step hole, of the connecting hole, and the opening area of the groove is larger than that of the connecting hole;
the elastic sealing membrane is arranged on the opening of the groove in a sealing manner; the wedge block is inserted into the sliding hole in a sliding manner, one end of the wedge block, which is positioned in the second shaft hole, is provided with an inclined surface facing the guide plate, and one end of the wedge block, which is positioned outside the guide seat, is fixedly connected with the elastic sealing film; the compression bar is inserted into the connecting hole in a sliding manner, the inner end of the compression bar is fixedly connected with the elastic sealing film, and the outer end of the compression bar protrudes out of the outer surface of the connecting seat;
the ejector is a step shaft, a small shaft section of the step shaft is slidably inserted into the first shaft hole, a large shaft section of the step shaft is slidably inserted into the second shaft hole, and the end part of the large shaft section is abutted to the inclined plane of the wedge block.
2. The vapor-pressure facial anti-scarring device of claim 1,
the mask includes: the face cover piece corresponds to the face of a human body, the upper fixing belts extend out from two sides, close to the top of the head, of the face cover piece, and the lower fixing belts extend out from two sides, close to the neck, of the face cover piece, the end portions of the upper fixing belts on the two sides are detachably connected and adjustable in connection length, and the end portions of the lower fixing belts on the two sides are detachably connected and adjustable in connection length; the air bag is attached to the inner surface of the face cover plate.
3. The vapor-pressure facial anti-scarring device of claim 2,
the upper fixing band and the lower fixing band on two sides are detachably connected through the magic tapes, the hair side of the magic tapes is arranged on one side of the inner surfaces of the upper fixing band and the lower fixing band, and the hook side of the magic tapes is arranged on the other side of the outer surfaces of the upper fixing band and the lower fixing band.
4. The vapor-pressure facial anti-scarring device of claim 1,
the inflation valves are respectively arranged at two sides of the air bag.
5. The pneumatic facial anti-scarring device of claim 4,
the inflation valve is a male connector of a pneumatic quick connector, and a female connector matched with the male connector is arranged at the interface end of the inflation device.
6. The vapor-pressure facial anti-scarring device of claim 1,
the inner wall of the large hole of the stepped hole of the connecting seat is provided with an internal thread, and the outer surface of the valve seat is provided with an external thread matched with the internal thread.
7. The vapor-pressure facial anti-scarring device of claim 1,
further comprising: the lining cloth is arranged on one surface of the air bag facing the human face, and the thickness of the lining cloth is not less than 2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910233374.0A CN109938899B (en) | 2019-03-26 | 2019-03-26 | Vapour-pressure type face anti-scar device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910233374.0A CN109938899B (en) | 2019-03-26 | 2019-03-26 | Vapour-pressure type face anti-scar device |
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| CN109938899A CN109938899A (en) | 2019-06-28 |
| CN109938899B true CN109938899B (en) | 2021-03-16 |
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| CN202648864U (en) * | 2012-07-16 | 2013-01-02 | 芜湖市欣龙机械有限责任公司 | Pressure measurement joint |
| CN203560461U (en) * | 2013-11-14 | 2014-04-23 | 江西福事特液压有限公司 | Conical valve sealing pressure-measuring joint |
| CN204142440U (en) * | 2014-10-16 | 2015-02-04 | 上海船厂船舶有限公司 | For the special joint of air-tightness detection device |
| CN205678313U (en) * | 2016-04-26 | 2016-11-09 | 西安祺智消防检测有限公司 | A kind of pressure measuring tie-in seals structure |
| CN206018128U (en) * | 2016-08-31 | 2017-03-15 | 浙江瑞思拓阀门科技有限公司 | A kind of pipeline testing pressure valve |
| CN206320367U (en) * | 2016-12-24 | 2017-07-11 | 上海一谦液压设备有限公司 | A kind of general conical surface seal pressure measuring tie-in of gas-liquid |
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| CN109938899A (en) | 2019-06-28 |
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