EP4048358A1 - Atemluft-führungs-baugruppe für ein patienten-beatmungssystem - Google Patents
Atemluft-führungs-baugruppe für ein patienten-beatmungssystemInfo
- Publication number
- EP4048358A1 EP4048358A1 EP20792563.7A EP20792563A EP4048358A1 EP 4048358 A1 EP4048358 A1 EP 4048358A1 EP 20792563 A EP20792563 A EP 20792563A EP 4048358 A1 EP4048358 A1 EP 4048358A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- connector
- heating wire
- connection
- protective housing
- assembly according
- 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.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
- A61M16/0816—Joints or connectors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
- A61M16/0816—Joints or connectors
- A61M16/0841—Joints or connectors for sampling
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
- A61M16/0875—Connecting tubes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/1075—Preparation of respiratory gases or vapours by influencing the temperature
- A61M16/1095—Preparation of respiratory gases or vapours by influencing the temperature in the connecting tubes
Definitions
- the invention relates to a breathing air guide assembly for a patient breathing system.
- a protective housing for an electrical contacting section between end sections of a heating wire on the one hand and a supply line on the other hand can be used to protect the contacting section when connecting the hose component to the connector, in particular when overmolding the hose component with the connector.
- Electrical contact between the heating wire end section and the supply line end section with which it is electrically con tacted can be made by soldering or crimping.
- the protective housing is, as far as the one-piece connecting done by overmolding, with overmoulded.
- the protective housing can be designed so that plastic overmolded material cannot penetrate the protective housing.
- the supply line as a component of the assembly can in turn be connected to an external electrical supply device, in particular via a plug connection.
- An embodiment according to claim 2 is good manufacturing technology realizable bar.
- the heating coil can represent an outer wall profiling of the hose component, which is particularly well suited for realizing a one-piece connection with the connector, in particular by overmolding.
- connection approach according to claim 3 has been proven.
- connection approach it is possible to implement the connection approach at an angle with respect to a connector longitudinal axis. This is advantageous in situations in which a supply line for the heating wire is to be laid in a preferred direction along the hose component.
- a design of the protective housing according to claim 4 takes into account the design of typical hose component heating units.
- a separating web of the protective housing according to claim 5 ensures insulation between filaments of the heating wire supply to be insulated from one another.
- a lid according to claim 6 improves handling and a protective effect of the protective housing.
- the cover can be integrally formed on the base body of the protective housing.
- a solid body joint according to claim 7 leads to a cost-effective adjustable protective housing.
- a closed position between the cover and the grand body can be designed as a latching-closed position.
- An overmolded body according to claim 8 prevents undesirable damage to the hose wall of the end portion of the hose component when making the one-piece connection between the hose component and the connector, especially when overmolding.
- the overmolded body can be designed in the manner of a grommet which is inserted into the end section of the hose component which is adjacent to the connector or which overlaps with it.
- the overmolded body can overlap with the connector in sections.
- a radially protruding collar of the overmolded body enables safe axial relative positioning between the overmolded body on the one hand and the end portion of the hose component to be connected in one piece with the connector on the other hand.
- the collar can be inserted into a complementary circumferential recess in an inner wall of the connector.
- FIG. 1 schematically shows the main components of a patient ventilation system including a main unit, a humidification device, a breathing mask and several heatable hose components connecting them and carrying the breathing air, including several connectors for the fluid-carrying connection of these components;
- FIG. 2 is a perspective view of the main components of a breathing air guide assembly of the ventilation system according to FIG. 1, namely an end section of one of the hose components, a connector and a supply line section with a connection
- FIG. 3 shows, more schematically, an axial section through the assembly according to FIG. 2, with a supply line end section which, during manufacture of the assembly, is connected to a heating wire of the breathing air
- Hose component is electrically connected, is shown in the area of an electrical contacting section still at a distance from the heating wire end section to be turned; 4 shows the electrical contacting section between the heating wire end section and the supply line end section with which electrical contact is made, arranged in a plastic protective housing; Fig. 5 is a plan view of the protective housing with the cover flipped open relative to a base;
- FIG. 6 shows a view in the direction VI in FIG. 5
- FIG. 7 shows, in a view similar to FIG. 3, a further embodiment of an assembly with an end section of a breathing air hose component and a connector, with a connection attachment connected in one piece to the connector being attached radially to a base body of the connector
- FIG. and 8 shows a side view of an alternative assembly to the assembly according to FIGS. 3 and 7, still without a supply line, a connector including a connection attachment being shown cut open.
- a patient ventilation system 1 the main components of which are shown in FIG. 1, is used to ventilate a patient in the clinical, otherwise stationary or domestic care sector.
- the ventilation system has a main unit 2 for controlling / regulating, in particular, a breathing air supply, air humidification and a Tem peration of the breathing air.
- the main unit 2 can also be used to specify a breathing air composition.
- the main unit 2 serves as a source of breathing air.
- the main unit 2 is in fluid connection with a breathing air supply hose component 5 via a connection port 3 and a connection connector 4.
- the latter like the other hose components, is shown very schematically in FIG. 1.
- the tube components of the breathing system 1 are, as will be described below, controlled / regulated via the main unit 2 and can be heated.
- the breathing air supply hose component 5 is in fluid connection with a connection port 7 of a breathing air humidifying device 8 via a further connection connector 6.
- the humidifier 8 is in a manner not shown with the main unit 2 in Signalver connection.
- the humidification device 8 is in fluid connection with a breathing air connec tion hose component 11 via a further connection port 9 and a further connection connector 10.
- the breathing air connec tion hose component 11 is in fluid connection with a patient breathing mask 15 via a further connection connector 12, a monitoring connector 13 and a three-way connector 14.
- the monitoring connector 13 is therefore used on the one hand to connect to the breathing air connection hose component 11, i.e. with a heatable breathing air hose section for guiding the breathing air from the main unit 2 to the patient, and on the other hand to connect this hose component 11 to the patient Breathing mask 15 as a patient air interface.
- the breathing mask 15 is in fluid connection with a breathing air discharge hose component 17 via the three-way connector 14 and a further connection connector 16. This is in turn in fluid connection with the main assembly 2 via a further connection connector 18 and a further connection port 19.
- FIG. 2 shows a section of the breathing air connection hose component 11 together with the connection connector 12.
- the breathing air hose component has a hose wall 20 made of plastic, which is transparent in FIG. 2, for guiding the breathing air.
- a heating coil 21 which is wound around the hose wall 20 to form the one-piece breathing air hose component 11
- two heating wires 22a, 22b are guided are used for guided breathing air.
- the two heating wires 22a, 22b can represent different phases of the electrical supply.
- the Heating wire 22a / b is designed in the form of a plastic-coated heating coil around an inner lumen of the hose component 11.
- the connector 12 is connected in one piece to an end section of the hose component 11 by extrusion coating.
- the connector 12 is used to connect the hose component 11 with another external breathing air guide component, which is not shown in the drawing.
- the connector 12 has a connection extension 22 which is integrally connected to a large body 23 of the connector 12.
- the connection approach 22 extends in relation to a longitudinal axis L of the connector 12, which coincides with a longitudinal axis of the facing end portion of the hose component 11, obliquely away from the main body 23 of the connector 12.
- Fig. 3 shows details of a structure of the assembly with the hose component 11 and the connector 12 including the connection attachment 22 in a sectional view showing further details on the one hand, which on the other hand is more schematic than that of FIG. 2.
- connection attachment 22 is provided for receiving an electrical contact section 24 between an end section 25 of the heating wires 22a / b and an end section of a supply line 26 that is electrically contacted with this heating wire end section 25.
- connection attachment 22 has a recess 27.
- the heating wire end section 25 is passed through a jacket wall 23 a of the connector 12 to the connection approach 22.
- the breathing air guide assembly with the hose component 11 and the connector 12 also includes the supply line 26.
- the recess 27 in the connection attachment 22 is used to accommodate a protective housing 28 made of plastic for the electrical Kunststoff istsab section 24 (see. Fig. 4 to 6).
- the protective housing 28 is designed so that therein end sections of the heating wires 22a / b are electrically contacted with associated end sections 26a / b of the supply line 26 via a line connection 29. This electrical contact can be made by soldering and / or crimping.
- a base body 30 of the protective housing 28 has a separating web 31 for insulation between the contacting heating wire / supply line end sections 22a / 26a on the one hand and the contacting heating wire / supply line end sections 22b / 26b on the other.
- the separating web 31 prevents the two heating wires 22a and 22b, on the one hand, and the two supply lines 26a, 26b, on the other hand, from coming into undesired contact with one another in areas in which they are stripped to create the line connection 29.
- the protective housing 28 has a cover 32 which is connected to the base body 30 of the protective housing 28 via a solid-state hinge 33, namely is integrally formed thereon. A latching-closed position can be present between the cover 32 and the base body 30.
- the base body 30 on the one hand and the cover 32 on the other hand delimit a receiving space 34 for receiving the electrical contacting section 24.
- To lead out insulated line sections of the heating wire end section 25 on the one hand and the end section of the supply line 26 on the other passage openings 35, 36 are made in the end walls of the main body 30.
- the connector 12 is first pushed onto the end section of the hose component 11, with a helical thread complementary to the heating coil being formed in an inner wall of the main body 23, so that in this case through Screwing in, the insertion of the end section of the hose component 11 already has a form-fitting mechanical connection between these two components.
- the heating wire end section 25 in the connection attachment 22 is guided into the recess 27.
- the electrical contact is then made between the heating wires 22a / b of the heating wire end section 25 and the associated supply lines 26a / b via the line connection 29.
- the protective housing 28 with the lid open is pushed into the recess 27 until the contacting section 24 is completely in the receptacle Space 34 of the grand body 30 comes close.
- the protective housing is then closed by closing the cover 32.
- the assembly of the hose component 11, the connector 12, the supply line 26 and the protective housing 28 can be overmolded with plastic material, so that a one-piece connection of these components is given.
- Fig. 7 shows an assembly with an end portion of a hose component 11 and a connector 37, which can be used as an alternative to the connector 12 according to FIGS. Components and functions that correspond to those described above with reference to FIGS.
- connection attachment 22 extends radially from the longitudinal axis L of the connector 37.
- the assembly with the connector 38 and the end portion of the hose component 11 facing it includes an overmolded body 39, which is arranged in such a way that it supports the hose wall 20 of the end portion from the inside when the connector 38 is molded onto the end portion of the hose component 11.
- the overmolded body 39 is designed as a grommet and has a radially protruding collar 40 which is used to axially fix the overmolded body 39 in the connector 38 during overmolding.
- the collar lies in a complementary circumferential recess 41 in an inner wall 42 of the connector 38.
- the overmolded body 39 overlaps with the connector 38 in the axial direction.
- the overmolded body 39 ensures that the hose wall 20, which is softer due to the increased overmolding temperature, is secure is supported from the inside and is not damaged by the overmolding process.
Landscapes
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pipe Accessories (AREA)
- Resistance Heating (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019216506.0A DE102019216506A1 (de) | 2019-10-25 | 2019-10-25 | Atemluft-Führungs-Baugruppe für ein Patienten-Beatmungssystem |
| PCT/EP2020/078216 WO2021078525A1 (de) | 2019-10-25 | 2020-10-08 | Atemluft-führungs-baugruppe für ein patienten-beatmungssystem |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4048358A1 true EP4048358A1 (de) | 2022-08-31 |
Family
ID=72895916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20792563.7A Withdrawn EP4048358A1 (de) | 2019-10-25 | 2020-10-08 | Atemluft-führungs-baugruppe für ein patienten-beatmungssystem |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20220379064A1 (de) |
| EP (1) | EP4048358A1 (de) |
| CN (1) | CN114929317A (de) |
| DE (1) | DE102019216506A1 (de) |
| WO (1) | WO2021078525A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12097344B2 (en) | 2020-11-16 | 2024-09-24 | Becton, Dickinson And Company | Introducer needle having a bump and related systems and methods |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3411179C1 (de) * | 1984-03-27 | 1986-01-16 | Friedrichsfeld Gmbh, Steinzeug- Und Kunststoffwerke, 6800 Mannheim | Elektro-Schweißfitting oder Schweißmuffe |
| GB0521349D0 (en) * | 2005-10-20 | 2005-11-30 | Intersurgical Ltd | Improvements relating to ventilation tubes |
| AU2010206053B2 (en) * | 2009-07-31 | 2014-08-07 | ResMed Pty Ltd | Wire Heated Tube with Temperature Control System, Tube Type Detection, and Active Over Temperature Protection for Humidifier for Respiratory Apparatus |
| US10213571B2 (en) * | 2011-05-06 | 2019-02-26 | Fisher & Paykel Healthcare Limited | Component for medical circuit |
| CN202314780U (zh) * | 2011-11-02 | 2012-07-11 | 巴拉斯迪费斯集团 | 具有隐藏式加热件的呼吸软管 |
| CN202474392U (zh) * | 2012-03-16 | 2012-10-03 | 安费诺科技(珠海)有限公司 | 一种多芯大电流电源连接器 |
| US9272114B2 (en) * | 2012-06-18 | 2016-03-01 | Flexible Technologies, Inc. | Heated CPAP hose and fitting |
| EP4147738B1 (de) * | 2014-07-07 | 2025-12-24 | Fisher & Paykel Healthcare Limited | Medizinische schläuche und verbinder für gasfreisetzungssysteme |
| CA3033944C (en) * | 2017-01-30 | 2020-02-18 | Globalmed, Inc. | Heated respiratory hose assembly |
| CN208541666U (zh) * | 2018-01-05 | 2019-02-26 | 绍兴安迪斯医疗科技有限公司 | 一种加热型管路 |
| CN209137676U (zh) * | 2018-08-09 | 2019-07-23 | 橙意家人科技(天津)有限公司 | 一种可减少冷凝水的呼吸机气管 |
-
2019
- 2019-10-25 DE DE102019216506.0A patent/DE102019216506A1/de not_active Ceased
-
2020
- 2020-10-08 EP EP20792563.7A patent/EP4048358A1/de not_active Withdrawn
- 2020-10-08 WO PCT/EP2020/078216 patent/WO2021078525A1/de not_active Ceased
- 2020-10-08 US US17/771,409 patent/US20220379064A1/en not_active Abandoned
- 2020-10-08 CN CN202080074709.XA patent/CN114929317A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20220379064A1 (en) | 2022-12-01 |
| CN114929317A (zh) | 2022-08-19 |
| WO2021078525A1 (de) | 2021-04-29 |
| DE102019216506A1 (de) | 2021-04-29 |
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