CN112781778B - Tracheal cuff monitoring device - Google Patents
Tracheal cuff monitoring device Download PDFInfo
- Publication number
- CN112781778B CN112781778B CN202110124067.6A CN202110124067A CN112781778B CN 112781778 B CN112781778 B CN 112781778B CN 202110124067 A CN202110124067 A CN 202110124067A CN 112781778 B CN112781778 B CN 112781778B
- Authority
- CN
- China
- Prior art keywords
- monitoring device
- cylindrical cavity
- shell
- tracheal
- tracheal cuff
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
- G01L7/08—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the flexible-diaphragm type
- G01L7/084—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the flexible-diaphragm type with mechanical transmitting or indicating means
Abstract
The invention relates to the technical field of monitoring equipment, in particular to a tracheal cuff monitoring device which is arranged at the tail end of an inflation pipeline of a tracheal end cuff and comprises: a housing; the mounting end cover is arranged at one end of the shell and is provided with a through hole position, the diameter of the through hole position is smaller than that of the cylindrical cavity, and the through hole position is sealed by a first sealing film tightly pressed between the shell and the mounting end cover; the tail end of the inflation pipeline is provided with a connecting joint, and the axial tail end of the inflation pipeline is provided with a second sealing film for sealing the inner cavity; the inflatable end cover is arranged at the other end of the shell and is provided with a gas input channel, and the output end of the gas input channel is provided with a needling structure; the air pressure sensing structure is arranged on the side wall of the shell and comprises a detection film and an observation rod. According to the invention, the detection membrane deforms due to the existence of air pressure, and the deformation drives the observation rod to move in position, so that the working effectiveness of the cuff can be observed conveniently.
Description
Technical Field
The invention relates to the technical field of monitoring equipment, in particular to a tracheal cuff monitoring device.
Background
Conventional endotracheal tubes generally refer to tubes that exchange artificial pathways of gas between a patient and a source of gas (usually atmospheric air), a mechanical ventilator, or a breathing apparatus. The distal end of the catheter is typically equipped with an inflatable balloon, also referred to as a cuff, which may be filled with a fluid (e.g., air). The cuff adheres to the inner lining of the trachea over the approximate cross-sectional dimensions of the trachea to prevent gases blown in by the ventilator from escaping to the environment through the larynx and pharynx. This enables gas to reach the lower airways and ultimately the alveoli, the balloon also helps to support the tube within the trachea.
In the use process of the trachea, the working effectiveness of the air bag is very important, however, in the working process, due to the factors such as personnel management and products, the conditions of insufficient air bag pressure and air leakage of the air bag exist, the conditions are difficult to judge timely at present, and certain risks are brought to the health of patients.
In view of the above, the inventor of the present invention has made extensive research and innovation based on practical experience and professional knowledge in many years of engineering application of such products, and together with the application of theory, in order to create a tracheal cuff monitoring device, which is more practical.
Disclosure of Invention
The problem to be solved by the present invention is to provide a tracheal cuff monitoring device, thereby effectively solving the problems in the background art.
In order to achieve the purpose, the invention adopts the technical scheme that:
a tracheal cuff monitoring device mounted on an end of an inflation line of a tracheal end cuff, comprising:
the shell is provided with a cylindrical cavity with two open ends;
the mounting end cover is arranged at one end of the cylindrical cavity and is provided with a through hole position which is coaxial with the cylindrical cavity, the diameter of the through hole position is smaller than that of the cylindrical cavity, and the through hole position is sealed by a first sealing film arranged between the shell and the mounting end cover; the tail end of the inflation pipeline is provided with a connecting joint, the connecting joint is matched and connected with the through hole position, and the axial tail end of the inflation pipeline is provided with a second sealing film for sealing the inner cavity;
the inflatable end cover is arranged at the other end of the cylindrical cavity and is provided with a gas input channel, and the output end of the gas input channel is provided with a needling structure which is used for sequentially penetrating through the first sealing film and the second sealing film when the connecting joint moves to a set position along the axis of the cylindrical cavity;
the device comprises a cylindrical cavity, a detection membrane and an observation rod, wherein the cylindrical cavity is used for containing the detection membrane, the observation rod is used for sensing the air pressure in the cylindrical cavity and detecting the deformation of the cylindrical cavity, the observation rod is communicated with the inside and the outside of the shell, is attached to the detection membrane, and changes the length of the observation rod protruding out of the shell in the deformation process of the detection membrane.
Further, the first sealing membrane is compressed between the housing and the mounting end cap.
Further, the connection joint includes a body and a gland, and the second sealing membrane is compressed therebetween.
Furthermore, a countersunk hole is formed in the inlet end of the gas input channel on the inflatable end cover, a rubber plug is arranged in the countersunk hole, and gas is supplied into the gas input channel through a structure penetrating through the rubber plug.
Furthermore, a local sunken area is arranged on the side wall of the shell, the detection film is attached to the inner surface of the shell to seal the sunken area, and the observation rod is attached to the detection film in the sunken area.
Furthermore, the observation rod and the end part attached to the detection membrane are provided with a bearing plate.
Furthermore, a spring is sleeved outside the observation rod, one end of the spring abuts against the bearing plate, and the other end of the spring abuts against the depressed area.
Furthermore, scales are arranged on the periphery of the observation rod.
Furthermore, the bearing plate is of a curved surface structure, and the bending direction of the bearing plate is the same as that of the inner wall of the shell.
Furthermore, an internal thread is arranged on the inner wall of the through hole, and an external thread matched with the internal thread is arranged on the periphery of the connecting joint.
Through the technical scheme of the invention, the following technical effects can be realized:
according to the invention, the gas input channel is used for filling gas into the inner space, so that the gas pressure in the inner space is increased, the cuff can be effectively supported in the trachea, meanwhile, the detection membrane can also deform due to the existence of the gas pressure, the deformation drives the observation rod to move in position, so that the protruding length relative to the outside of the shell is changed, the gas pressure condition in the cuff space can be determined by observing the length, and the working effectiveness of the cuff can be conveniently observed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a tracheal structure comprising a cuff and an inflation line;
FIG. 2 is an exploded view of the tracheal cuff monitoring device at the junction of the connector fitting and the housing;
FIG. 3 is a schematic view of the interior of the housing (with the sensing membrane installed);
FIG. 4 is a top view of the tracheal cuff monitoring device;
FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;
FIG. 6 is a cross-sectional view of the connection fitting;
FIG. 7 is a schematic view of the structure of the tracheal cuff monitoring device after the connector fitting is in place;
FIG. 8 is a schematic view of the interior of the housing (hiding the detection membrane);
FIG. 9 is a schematic view showing the connection of the detection membrane and the observation rod;
reference numerals: the device comprises a trachea 1, a cuff 2, an inflation pipeline 3, a shell 4, a cylindrical cavity 41, a local concave area 42, a mounting end cover 5, a through hole position 51, a first sealing film 6, a connecting joint 7, a second sealing film 8, an inflation end cover 9, a gas input channel 10, a needling structure 11, a detection film 12, an observation rod 13, a pressure bearing plate 13a, a spring 13b and a rubber plug 14.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. This embodiment is written in a progressive manner.
As shown in fig. 1 to 7, a tracheal cuff monitoring device, which is installed at the end of an inflation pipeline 3 of a tracheal cuff 2 at the end of a trachea 1, comprises: a housing 4 having a cylindrical cavity 41 with both ends open; the mounting end cover 5 is arranged at one end of the cylindrical cavity 41 and is provided with a through hole position 51 coaxial with the cylindrical cavity 41, the diameter of the through hole position 51 is smaller than that of the cylindrical cavity 41, and the through hole position 51 is sealed by a first sealing film 6 arranged between the shell 4 and the mounting end cover 5; wherein, the tail end of the inflation pipeline 3 is provided with a connecting joint 7, the connecting joint 7 is matched and connected with the through hole position 51, and the axial tail end is provided with a second sealing film 8 for sealing the inner cavity; the inflatable end cover 9 is arranged at the other end of the cylindrical cavity 41 and is provided with a gas input channel 10, and the output end of the gas input channel 10 is provided with a needling structure 11 which is used for sequentially penetrating through the first sealing film 6 and the second sealing film 8 when the connecting joint 7 moves to a set position along the axis of the cylindrical cavity 41; still include atmospheric pressure response structure, set up on the lateral wall of casing 4, including being used for perception cylindrical cavity 41 internal gas pressure and the detection membrane 12 of deformation to and outside in UNICOM's casing 4, and with detect the laminating of membrane 12, and change the observation pole 13 of outstanding length beyond casing 4 in the deformation process of detection membrane 12, for the convenience of observing, observation pole 13 periphery is provided with the scale, thereby is convenient for carry out the quantization of pressure.
In this embodiment, the tracheal cuff monitoring device needs to be temporarily installed at the tail end of the inflation pipeline 3, and the connection joint 7 at the tail end of the inflation pipeline 3 realizes the sealing of the inside of the cuff 2 through the second sealing film 8 when not in use, so as to ensure the cleanness of the inside. Monitoring devices repeatability uses, when concrete installation, only need through with link up hole site 51 be connected can realize, and change first seal membrane 6 after the use can, wherein, can guarantee that connector 7 extrudees first seal membrane 6 through the degree of depth that changes entering cylindrical cavity 41 makes second seal membrane 8 and first seal membrane 6 be close to acupuncture structure 11 jointly, after reaching the settlement position, two membranes all are punctured and make between cuff 2, gas pipeline 3 and the cylindrical cavity 41 form UNICOM and isobaric space.
Carry out gas filling through gas input channel 10 to the above-mentioned isobaric space afterwards, increase the atmospheric pressure of inner space, thereby make cuff 2 can realize effectual support in the trachea, meanwhile, detect membrane 12 and also can take place deformation because of the existence of atmospheric pressure, this kind of deformation drives observation pole 13 and carries out the removal of position, thereby the change is for the protruding length of casing 4 outside, can confirm the gas pressure condition in the whole isobaric space through observing this length, thereby make the work validity of cuff 2 realize comparatively convenient observation.
It should be noted here that the first sealing membrane 6 and the second sealing membrane 8 are both thin-film structures, and therefore have a certain contractibility to the puncture position after being punctured, and this characteristic can ensure that the communicating space between the cylindrical cavity 41, the cuff 2 and the inflation pipeline 3 is not affected. The connector 7 can be integrally formed with the gas-filled pipeline 3 and used as a consumable.
As shown in fig. 5, the first sealing film 6 is compressed between the housing 4 and the mounting end cap 5. This kind of mode makes the installation and the change of first seal membrane 6 all comparatively convenient, wherein, accessible connecting piece is connected between casing 4 and the installation end cover 5, simultaneously in order to guarantee the installation location, also can set up the countersunk head hole site on casing 4 and/or installation end cover 5 to carry out spacing etc. to first seal membrane 6.
For the same purpose, the connecting nipple 7 comprises a body 71 and a gland 72, between which the second sealing membrane 8 is compressed. Referring to fig. 6, in the whole process of pressing the connection joint 7 against the first sealing membrane 6, since the second sealing membrane 8 is not pressed, it is only pierced against the needle structure 11, so that the clamping force required for its installation is not high, which is suitable for the processing requirements of its consumables.
As shown in fig. 5, in the above embodiment, preferably, a countersunk hole is provided in the inflatable cap 9 at the inlet end of the gas inlet passage 10, a rubber stopper 14 is provided in the countersunk hole, and gas is supplied into the gas inlet passage 10 by passing through the rubber stopper 14.
In the in-process of in-service use, generally adopt the syringe needle to run through rubber end cap 14 and carry out gaseous supply, extract the back at the syringe needle, can automatic recovery sealed through the elastic deformation of rubber end cap 14 self, wherein, need to guarantee that the circulation internal diameter of acupuncture structure 11 is greater than the external diameter of syringe needle to guarantee that the syringe needle can get into, also can effectively increase its structural stability through the internal diameter and the wall thickness of suitable increase acupuncture structure 11. Wherein the rubber plug 14 can be completely embedded into the countersunk hole, and a convex edge structure can be arranged to be attached to the outer surface of the inflatable end cover 9, so that the rubber plug is convenient to take and use.
In the above embodiment, it is preferable that the side wall of the case 4 is provided with a partial concave region 42, the detection film 12 is attached to the inner surface of the case 4 to close the concave region 42, and the observation rod 13 is attached to the detection film 12 in the concave region 42. As shown in fig. 8, in the implementation, increasing the extension area of the recessed area 42 as much as possible increases the sensitivity to the air pressure, so that the sealing performance of the cylindrical cavity 41 is ensured, and the installation of the observation rod 13 is convenient during the product assembly process.
Wherein, the end of the observation rod 13 attached to the detection membrane 12 is provided with a pressure bearing plate 13 a. As shown in fig. 9, thereby increasing the contact area with the detection membrane 12 and ensuring quick and effective sensing of the deformation thereof. The observation rod 13 is externally sleeved with a spring 13b, one end of the spring 13b is abutted against the bearing plate 13a, and the other end of the spring 13b is abutted against the recessed area 42. Through the setting of spring 13b for observation pole 13 can realize automatic reseing in the course of the work, and can guarantee can not drop from casing 4, even if touched in the use, also can be quick realization observation position under the extrusion of detection membrane 12. As a preference of the above embodiment, the pressure-bearing plate 13a has a curved structure and the bending direction is the same as the bending direction of the inner wall of the housing 4, so that a larger contact area with the detection membrane 12 can be obtained.
Preferably, as the above embodiment, the inner wall of the through hole 51 is provided with an internal thread, and the periphery of the connection joint 7 is provided with an external thread adapted to the internal thread, so that the connection between the two is more convenient, and in order to limit the screwing depth, the periphery of the connection joint 7 may be provided with a limit boss or the like.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A tracheal cuff monitoring device is mounted at the tail end of an inflation pipeline (3) of a tracheal (1) end cuff (2), and is characterized by comprising:
a housing (4) having a cylindrical cavity (41) with two open ends;
the mounting end cover (5) is arranged at one end of the cylindrical cavity (41) and is provided with a through hole position (51) coaxial with the cylindrical cavity (41), the diameter of the through hole position (51) is smaller than that of the cylindrical cavity (41), and the through hole position (51) is sealed by a first sealing film (6) arranged between the shell (4) and the mounting end cover (5); the tail end of the inflation pipeline (3) is provided with a connecting joint (7), the connecting joint (7) is matched and connected with the through hole position (51), and the axial tail end of the inflation pipeline is provided with a second sealing film (8) for sealing the inner cavity;
the inflation end cover (9) is arranged at the other end of the cylindrical cavity (41) and is provided with a gas input channel (10), and the output end of the gas input channel (10) is provided with a needling structure (11) which is used for sequentially penetrating through the first sealing film (6) and the second sealing film (8) when the connecting joint (7) moves to a set position along the axis of the cylindrical cavity (41);
the device is characterized by further comprising an air pressure sensing structure, wherein the air pressure sensing structure is arranged on the side wall of the shell (4) and comprises a detection membrane (12) and an observation rod (13), the detection membrane (12) is used for sensing the air pressure in the cylindrical cavity (41) and deforms, the observation rod is communicated with the inside and the outside of the shell (4), is attached to the detection membrane (12), and changes the length of the observation rod protruding out of the shell (4) in the deformation process of the detection membrane (12).
2. The tracheal cuff monitoring device according to claim 1, wherein the first sealing membrane (6) is compressed between the housing (4) and the mounting end cap (5).
3. The tracheal cuff monitoring device according to claim 1, wherein the connection fitting (7) comprises a body (71) and a gland (72), the second sealing membrane (8) being compressed therebetween.
4. A tracheal cuff monitoring device according to any one of claims 1 to 3 wherein the inflatable end cap (9) is provided with a counter bore at the inlet end of the gas inlet channel (10), a rubber plug (14) being provided in the counter bore, and gas is supplied into the gas inlet channel (10) by a structure extending through the rubber plug (14).
5. The tracheal cuff monitoring device according to claim 1 wherein a partial recessed area (42) is provided on the side wall of the housing (4), the detection membrane (12) is attached to the inner surface of the housing (4) to block the recessed area (42), and the observation rod (13) is attached to the detection membrane (12) in the recessed area (42).
6. The tracheal cuff monitoring device according to claim 5, wherein the end of the observation rod (13) that abuts the detection membrane (12) is provided with a pressure bearing plate (13 a).
7. The tracheal cuff monitoring device according to claim 6, wherein the observation rod (13) is externally sheathed with a spring (13 b), the spring (13 b) abutting the bearing plate (13 a) at one end and the recessed area (42) at the other end.
8. The tracheal cuff monitoring device according to claim 1 wherein the sight bar (13) is peripherally graduated.
9. The tracheal cuff monitoring device according to claim 6 wherein the pressure bearing plate (13 a) is of a curved configuration and has a direction of curvature identical to the direction of curvature of the inner wall of the housing (4).
10. The tracheal cuff monitoring device according to claim 1, wherein the inner wall of the through hole site (51) is provided with an internal thread, and the outer periphery of the connection joint (7) is provided with an external thread adapted to the internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110124067.6A CN112781778B (en) | 2021-01-29 | 2021-01-29 | Tracheal cuff monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110124067.6A CN112781778B (en) | 2021-01-29 | 2021-01-29 | Tracheal cuff monitoring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112781778A CN112781778A (en) | 2021-05-11 |
| CN112781778B true CN112781778B (en) | 2021-08-27 |
Family
ID=75759649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110124067.6A Active CN112781778B (en) | 2021-01-29 | 2021-01-29 | Tracheal cuff monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112781778B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4932944A (en) * | 1988-03-09 | 1990-06-12 | The University Of Virginia Alumni Patents Foundation | Intravenous port injection and connector system |
| CN2661215Y (en) * | 2003-06-20 | 2004-12-08 | 北京长川医用技术有限责任公司 | Self damage disposable aseptic syringe |
| CN103592075A (en) * | 2013-11-14 | 2014-02-19 | 邹德伟 | Pressure indicator |
| CN107961425A (en) * | 2017-12-29 | 2018-04-27 | 广州维力医疗器械股份有限公司 | A kind of cuff tracheal inserting device having from voltage stabilizing |
| CN207462429U (en) * | 2017-04-17 | 2018-06-08 | 中国人民解放军总医院 | A kind of scalable trachea cannula |
| CN207970323U (en) * | 2017-06-14 | 2018-10-16 | 陈芳 | Trachea cannula |
| CN109395219A (en) * | 2017-08-15 | 2019-03-01 | 深圳市美好创亿医疗科技有限公司 | Gasbag pressure instruction device |
| CN208911190U (en) * | 2018-06-25 | 2019-05-31 | 黄立宁 | A kind of Air pressure compensation indicator |
| CN211024644U (en) * | 2019-08-28 | 2020-07-17 | 广东药科大学附属第一医院 | Trachea cannula convenient to pressure detection |
| CN211357280U (en) * | 2019-10-28 | 2020-08-28 | 江苏省人民医院（南京医科大学第一附属医院） | Tracheal catheter capable of monitoring cuff pressure in real time and facilitating fixation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112156305A (en) * | 2020-09-10 | 2021-01-01 | 西安交通大学 | Trachea cannula with cuff pressure automatic monitoring device |
-
2021
- 2021-01-29 CN CN202110124067.6A patent/CN112781778B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4932944A (en) * | 1988-03-09 | 1990-06-12 | The University Of Virginia Alumni Patents Foundation | Intravenous port injection and connector system |
| CN2661215Y (en) * | 2003-06-20 | 2004-12-08 | 北京长川医用技术有限责任公司 | Self damage disposable aseptic syringe |
| CN103592075A (en) * | 2013-11-14 | 2014-02-19 | 邹德伟 | Pressure indicator |
| CN207462429U (en) * | 2017-04-17 | 2018-06-08 | 中国人民解放军总医院 | A kind of scalable trachea cannula |
| CN207970323U (en) * | 2017-06-14 | 2018-10-16 | 陈芳 | Trachea cannula |
| CN109395219A (en) * | 2017-08-15 | 2019-03-01 | 深圳市美好创亿医疗科技有限公司 | Gasbag pressure instruction device |
| CN107961425A (en) * | 2017-12-29 | 2018-04-27 | 广州维力医疗器械股份有限公司 | A kind of cuff tracheal inserting device having from voltage stabilizing |
| CN208911190U (en) * | 2018-06-25 | 2019-05-31 | 黄立宁 | A kind of Air pressure compensation indicator |
| CN211024644U (en) * | 2019-08-28 | 2020-07-17 | 广东药科大学附属第一医院 | Trachea cannula convenient to pressure detection |
| CN211357280U (en) * | 2019-10-28 | 2020-08-28 | 江苏省人民医院（南京医科大学第一附属医院） | Tracheal catheter capable of monitoring cuff pressure in real time and facilitating fixation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112781778A (en) | 2021-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU646517B2 (en) | Pressure monitors and tube assemblies | |
| JP4159884B2 (en) | Portable pressure transducer and expiration pressure detection system | |
| EP1981566B1 (en) | Pressure measurement unit for determining fluid pressure within medical disposables | |
| EP2498678B1 (en) | Pressure measuring system, pressure measuring sensor assembly and a method of measuring a pressure | |
| MX2014001840A (en) | Luer connectors. | |
| US9180268B2 (en) | Cuff pressure measurement device for a tracheal tube | |
| JP2014505538A (en) | IV pump suitable for general-purpose piping | |
| CN112781778B (en) | Tracheal cuff monitoring device | |
| US20140271292A1 (en) | Rotary needle and expanding bellows pressure indicator | |
| US20140260962A1 (en) | Sliding piston pressure indicator | |
| US7464601B2 (en) | Disposable manometer for use with patient breathing systems | |
| WO2018107567A1 (en) | Pressure indicator | |
| CN216317576U (en) | Disposable TPU animal blood pressure sleeve belt | |
| CN211068561U (en) | Pressure visualization artificial airway intubation tube | |
| CN103234716B (en) | A kind of single use intravenous infusion needle gas examines instrument | |
| CN203587275U (en) | Pressure indicator | |
| CN215534371U (en) | Pulmonary function is adapter for tester | |
| CN217424684U (en) | Leak detector for endoscope | |
| CN215653219U (en) | Trachea cannula with visible pressure | |
| CN219896681U (en) | Double-airbag tracheal cannula with air pressure detection mechanism | |
| CN203139257U (en) | Air detector for disposable intravenous infusion needle | |
| CN212110437U (en) | Air resistance testing device for sampling medium | |
| CN220602793U (en) | Portable airtight differential pressure survey adapter | |
| CN209931573U (en) | Medical mask with filtering function for pulmonary function instrument | |
| CN219594614U (en) | Oral cavity pressure detecting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |