Breathing mask
Technical field
This utility model relates to a kind of breathing mask, belongs to technical field of medical equipment.
Background technology
Breathing mask is applied comparatively extensive in the treatment clinical courses such as first aid, operation, painless abortion and anaesthesia spectroscopy.Conventional breathing mask is formed primarily of cover body and oxygen supplying tube, and wherein, cover body and patient facial region's lines match, and above nose, leave certain space formation main gas tank, and oxygen supplying tube is positioned at below cover body, for main gas tank's oxygen supply.This structure is comparatively easy, therefore applies the most general, but can produce a certain amount of CO in respiratory
2, therefore, by the CO in monitoring patient expiration
2concentration can judge ventilatory effect and the oxygen supply quality of patient, especially for high risk patient, the monitoring of patient is particularly important, the modal face mask structure detecting oxygen supply quality is as described in patent 2009201651447, its scheme adopted offers an aperture at the side source place of face shield as detecting hole, for testing gas concentration lwevel, but, because it is arranged at the position near buccal, patient exhales between a suction one, very easily will detect hole plug, and affect Detection results, Detection accuracy is lower.
Based on this, make subject application.
Utility model content
In order to overcome the defects such as air quality monitoring existing for existing breathing mask is difficult, oxygen supply is bad, this utility model provides a kind of breathing mask monitoring the advantages such as precision is high, oxygen supply is effective.
For achieving the above object, this practical technical scheme taked is as follows:
Breathing mask, comprise case and be arranged at the oxygen supplying tube of case bottom, described case is flared structure, and raises up and form main gas tank, and case place, oxygen supplying tube place caves inward formation inlet plenum, and this inlet plenum communicates with main gas tank; Described peak place of main gas tank is provided with installing hole, and installing hole is connected with gas concentration detector by appendix; Installing hole outer edge is set with protective cap, and this protective cap is corresponding with installing hole, for sealing installing hole.
Further, as preferably:
Described inlet plenum is the cylindrical structural of oblique setting, and inlet plenum top is communicated with main gas tank, and bottom is connected with source of oxygen by oxygen supplying tube.
Described case outside is provided with locating rack, and this locating rack is positioned at main gas tank and inlet plenum intersection, and lower than installing hole position.Preferred: described locating rack is made up of top and bottom, top and bottom form triangular structure, and wherein upper end is positioned at below installing hole, and lower end is then walked around inlet plenum and is positioned at below inlet plenum, for being held up by inlet plenum.
Described mounting hole site is directly over main gas tank.
When being applied in first aid, clinical course by this utility model, there is following beneficial effect:
(1) when usually adopting breathing mask to carry out oxygen supply to patient or patient, patient or patient are the prone positions taked, in this case, nostril is obliquely, for adapting to the demand of this special status, in breathing mask designed by this utility model, inlet plenum be set to vertical direction obliquely (when patient levels is sleeping lie time, relative level direction inlet plenum is obliquely), now, oxygen supplying tube directly aims at the nostril of patient or patient, corresponding oxygen is under the effect of source of oxygen pressure, directly enter in nostril, thus farthest by oxygen supply to patient or patient.
(2) gas such as the carbon dioxide that patient or patient respiratory produce is assembled at other positions of main gas tank, in this utility model, installing hole is arranged at the center place of main gas tank, and be positioned at above inlet plenum, the carbon dioxide content at this position is the highest position, and the oxygen that can not input with oxygen supplying tube forms convection current or turbulent flow, carbon dioxide detected by it is the carbon dioxide content in main gas tank, and can not mix that oxygen supplying tube provides without patient or the used oxygen of patient, detect comparatively accurate; Oxygen supply original state or when not needing to measure carbon dioxide content, can extract appendix, and by protective cap spiral-lock and installing hole, installing hole can be blocked, avoid leaking gas from this position, affect oxygen utilization rate in installing hole.
(3) locating rack is installed in case outside, this locating rack is positioned at main gas tank and inlet plenum intersection, and lower than installing hole position, on the one hand, fixation is played to oxygen supplying tube, avoid appendix in testing process to extract or insert the fluctuation caused by oxygen supplying tube, thus the steady supply of oxygen can be ensured; On the other hand, what locating rack adopted is triangle shelf shape structure, and its upper end is positioned at below installing hole, lower end is then walked around inlet plenum and is positioned at below inlet plenum, held up by inlet plenum, avoid inlet plenum and oxygen supplying tube extrude under oxygen pressure effect or block oral cavity, safety in utilization is better.
When this utility model is applied to clinical emergency treatment oxygen supply, both steadily efficiently carrying out of oxygen supply can have been ensured, make oxygen utilization rate reach the highest, farthest can monitor the respiratory frequency of patient and ventilatory effect again simultaneously, meet the treatment requirement of patient or patient.
Accompanying drawing explanation
Fig. 1 is using state figure of the present utility model (being connected with appendix);
Fig. 2 is another kind of using state figure of the present utility model (non-connecting gas transmission pipe);
Fig. 3 is the structural representation of another angle of Fig. 2.
Number in the figure: A. main gas tank; B. inlet plenum; 1. cover body; 2. oxygen supplying tube; 3. appendix; 4. installing hole; 41. outward flanges; 5. protective cap; 6. locating rack; 61. tops; 62. bottoms.
Detailed description of the invention
Embodiment 1
The present embodiment breathing mask, composition graphs 1, Fig. 2 and Fig. 3, comprise case 1 and the oxygen supplying tube 2 being arranged at case 1 bottom, case 1 is flared structure, its top raises up and forms main gas tank A, bottom and case 1 place, oxygen supplying tube 2 place cave inward and form inlet plenum B, and this inlet plenum B communicates with main gas tank A; A peak place of main gas tank is provided with installing hole 4, and installing hole 4 is connected with gas concentration detector by appendix 3; Installing hole 4 outward flange 41 place is set with protective cap 5, and this protective cap 5 is corresponding with installing hole 4, for sealing installing hole 4.Wherein, inlet plenum B is the cylindrical structural of oblique setting, and inlet plenum B top is communicated with main gas tank A, and bottom is connected with source of oxygen by oxygen supplying tube 2; Case 1 outside is provided with locating rack 6, and this locating rack 6 is positioned at main gas tank A and inlet plenum B intersection, and lower than installing hole 4 position.
When usual employing breathing mask carries out oxygen supply to patient or patient, what some patients or patient taked is prone position, in this case, nostril is obliquely, for adapting to the demand of this special status, in breathing mask designed by this utility model, inlet plenum B be set to vertical direction obliquely (when patient levels is sleeping lie time, relative level direction inlet plenum is obliquely), now, oxygen supplying tube 2 directly aims at the nostril of patient or patient, corresponding oxygen is under the effect of source of oxygen pressure, directly enter in nostril, thus farthest by oxygen supply to patient or patient, the carbon dioxide that patient or patient respiratory produce is assembled at other positions of main gas tank A, in this utility model, installing hole 4 is arranged at the peak place of main gas tank A, and be positioned at above inlet plenum B, the carbon dioxide content at this position is the highest position, and the oxygen that can not input with oxygen supplying tube 2 forms convection current or turbulent flow, carbon dioxide detected by it is the carbon dioxide content in main gas tank A, and can not mix that oxygen supplying tube 2 provides without patient or the used oxygen of patient, detect comparatively accurate, oxygen supply original state or when not needing to measure carbon dioxide content, can extract appendix 3, and by protective cap 5 spiral-lock and installing hole 4, installing hole 4 can be blocked, avoid leaking gas from this position, affect oxygen utilization rate in installing hole 4, locating rack 6 is installed in case 1 outside, and this locating rack 6 is positioned at main gas tank A and inlet plenum B intersection, and lower than installing hole 4 position, positions oxygen supplying tube 2 and inlet plenum B, realizes the effect stablizing oxygen supply and monitoring.
When the present embodiment is applied to clinical emergency treatment oxygen supply, both steadily efficiently carrying out of oxygen supply can have been ensured, make oxygen utilization rate reach the highest, farthest can monitor the respiratory frequency of patient and ventilatory effect again simultaneously, meet the treatment requirement of patient or patient.
Embodiment 2
The present embodiment is identical with operation principle with the setting of embodiment 1, difference is: locating rack 6 is made up of upper end 61 and lower end 62, upper end 61 and lower end 62 form triangular structure, wherein: upper end 61 is positioned at below installing hole 4,62, lower end is walked around inlet plenum B and is positioned at below inlet plenum B, for being held up by inlet plenum B.The locating rack 6 of this structure can realize the effect of two aspects: on the one hand, plays fixation to oxygen supplying tube 2, avoids appendix 3 in testing process and extracts or insert the fluctuation caused by oxygen supplying tube 2, thus can ensure the steady supply of oxygen; On the other hand, what locating rack 6 adopted is triangle shelf shape structure, its upper end 61 is positioned at below installing hole 4, lower end 62 is then walked around inlet plenum B and is positioned at below inlet plenum B, inlet plenum B is held up, avoid inlet plenum B and oxygen supplying tube 2 extrude under oxygen pressure effect or block oral cavity, safety in utilization is better.