DE2216222A1 - Portable anesthesia and respiratory resuscitation device - Google Patents

Description

PATENT ADVOCATE

DiPL.-PHYS. DR. WALTHER JUNIUS 3 hannover22 1 6222

ABBESTRASSE 20 TELEPHONE 83 45 30 31 5

Dr J / A

My file: 2087

INDUSTRIA TEHNIGO-MEDIOALA Sos.Berceni 8, Bucharest Romania

Portable anesthesia and respiratory resuscitation device

The present invention relates to a polyvalent device for anesthesia and respiratory resuscitation that can work in the presence or absence of medicinal gases, by doing the evaporation of the mixed liquids and the implementation of anesthesia and resuscitation with air or oxygen. It can be made in the form of a portable and wall-mounted device.

Numerous anesthesia and resuscitation devices are known. Since they are rigid, they are have the disadvantage that they do not meet the multiple circumstances of daily practice by using cannot be adapted to the requirements of each individual case.

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In general, the well-known portable devices for anesthesia and respiratory resuscitation depending on the type of charging with medicinal gases can be classified into three major groups:

a: Devices that operate away from a source of oxygen evaporation of the anesthetics through the atmospheric air. With your help can also use respiratory resuscitation atmospheric air;

b: Medical-source dependent devices used to perform respiratory resuscitation by means of oxygen and anesthesia with anesthetic vapors and precisely dosed oxygen and make laughing gas possible. These devices cannot operate far from the medicinal gas sources will.

c: Apparatus in the absence or presence of the medicinal gas sources can work. These offer higher technical and handling options, but point for usually have the disadvantage of being structured according to a fixed scheme, so that they only have a single species anesthesia and respiratory resuscitation allow. That is why they are unable to meet the various requirements that arise in daily practice therefore do not have a polyvalent character.

The known types of portable anesthesia and devices respiratory resuscitation are usually built with fixed circular systems that have a single construction scheme include, ^ edwede new achievement of technology, approximately a new evaporator, a new anesthetic circuit system,

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forces to a complex modification of the device "to in the same thing to be able to be inserted.

With regard to the ΐ'οι · requirements for space saving is a number of anesthetic Y / andgeräten be executed, which are supplied from the existing hospitals hedizinalgas- ~ ^r grant networks. These devices, too, have a fixed scheme and do not offer any possibility of continuing anesthesia in the event of an accidental exposure to hedical gas delivery ^. u guarantee «

Some known types of anesthesia devices are provided with semi-open circle systems with auto-inclusive and inflation valves are equipped. These valves are commonly used in apparatus that perform the allow respiratory resuscitation. In the semi-open circuit systems, the iUito-inclusive valve is as follows connected: with the breathing branch to the gas supply corrugated hose; with the Querzv & g to the face mask or to the üidotrachealkatheter. The exhalation branch remains free.

Finally, there are the various known dates to mention hungs circle systems that correspond to the various needs: the filtering sword circle, the '.- / aters back and forth circle, the half-open circle systems by Magill, Kuhn, Digby-Leigh, Ayre, asw ·.

The present invention relates to a portable device; Anesthesia and respiratory resuscitation, which is fine

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first '2ell for charging the circuits with i'iedizinalgasen or Luit as well as for evaporation of the anesthetic fluids and manages its mixing and transport to the second part, which includes circuits with components for respiratory resuscitation or for the administration of general anesthesia. This apparatus eliminates the aforementioned disadvantages of the known apparatus.

In the device according to the invention, the structure includes in its first part two T-pieces to connect the air supply by hand in front of the evaporator and for connecting one Breathing bag behind the evaporator, both can be switched. The structure also includes a third T-piece for closing with a switch, which is the lateral or continued Enables feeding of the administration circuits.

An anesthetic can be attached to the closing T-piece of the and resuscitation circuit systems, namely:

- one with an auto-inclusive valve *. (self-closing valve) provided, known semi-open circuit system,

- one that is also equipped with an auto-inclusive valve new closed or semi-closed circuit administration system.

Instead of the last circle system, other known circle systems can be connected according to the respective clinical requirements of the case in question.

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The various components of the first part of the apparatus as well as the components of the various circle systems used are for quick assembly and disassembly provided, which enables the replacement or the diverse use of animal components.

The apparatus according to the invention enables anesthesia to be carried out with medicinal gases and anesthetic vapors using a face mask or endotracheal catheter Adults or children. Anesthesia can also be carried out in the absence of medicinal gases, by using the atmospheric air as a means of transport will. The apparatus also enables respiratory resuscitation with air or oxygen. These diverse technical possibilities justify the designation of a polyvalent apparatus.

The three T-pieces with toggle switch enable quick Move from one apt of administration to the other. The new closed or semi-closed ivory system initially expands the range of applications for auto-occlusion valves. It retains all the advantages of Sword's well-known closed filter circle, compared to that it's leicater. In addition, thanks to its equipment with auto-occlusion valves, the new circle system can be used in any position work.

The essence of the invention is explained in more detail below using an exemplary embodiment shown schematically in the drawing. In particular, the structural and functional characteristics are de ;: ¹ portable according to the invention

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Anesthesia and resuscitation machine equipped with the new anesthetic circuit system that allows use of the car decor valve in closed or semi-closed Circle system enables, described in more detail. Show it:

Fig. 1 is a construction diagram of the first part of the anesthetic and resuscitation apparatus;

Fig. 2 is a diagram of the various - "- equipment options the structure of the first part according to FIG. 1;

Fig. 3 is a longitudinal section in elevation through the T-piece for Closing the system and feeding the circuit system;

Fig. 4 is a cross-section in elevation through the T-piece of Fig. 3;

Figure 5 is a schematic of the administration circuit system, closed or semi-closed, with occlusion valve;

Fig. 6 is a side view of the frame on which the floor-standing type apparatus is detachably mounted;

Fig. 7 is a front view of the frame in Fig. 6;

Fig. 8 is an overall side view of the on the wall frame Figs. 6 and 7 constructed apparatus;

9 is a diagram of the apparatus in construction for implementation respiratory resuscitation with atmospheric Air;

Fig. 10 shows a section of the apparatus in a structure for administration general anesthesia with atmospheric air-conveyed anesthetic battles;

Fig. 11 is a diagram of the apparatus in set-up for intervention with atmospheric air when suspending the supply of iledizinal gases;

Fig. 12 is a diagram of the apparatus in the construction for the implementation of the respiratory resuscitation with oxygen;

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? iG. 13 an oclionia of the apparatus under construction to anesthesia with iiedizinalgases and anesthetic vapors in the semi-open circle system;

ii ^; i ^; ;;. 14 a ..> c theme of the device under construction for iUK-sthesie: .iit circle system rerai.s JJ ¹ 13. 5 and with the known circle systems.;. En;

j'ig. 15 a ^ cn ^ ma of the circle system Fig. 5 i-n rejuvenation phase operation;

i'ig. Io an ochema of the .ureis system J ¹ IS · 5 in the exhalation phase operation.

jüer App-rat consists of two parts: the ipeise structure of the Circle system A and. the treatment circle system B.

The rice structure of the J'ig. 1 is made up of one otützsysteiii .it the base plate 1, the oii.ulen 2 and the upper sliding door " ^ er 3? on which the components are mounted will.

On the slide carrier 3, the line for the continuous oxygen supply with valve 4 is attached, which is connected to the block 5 for mixing the discharged gases and for fastening the gas metering device to the carrier 3. The controllable oxygen metering device 6 and the controllable nitrous oxide metering device 7 are connected to the block ¹ j. They are charged with hedicinal gases from bottles or from a gas supply system via nozzles 8 and 9 on the connection line IC or 11. The connection piece Ic is screwed onto the block 5. Connected to piece 12 i / earth one after the other to the lower - ^ end:

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BATHROOM OFIISINAL

T-piece 13 with reversing handle of the vertical branch 14 $ evaporator 15, which is also attached to the cross member 3, the unidirectional valve 16; T-StUt ¹ Ic 17, equal to the T-piece 13, with vertical branch 18. The feed structure closes with the locking T-piece 19, which is attached to the cross member 3 and provided with a reversing handle, which alternates the closure of the vertical branch 20 and the straight branch 21 with hose connection.

The fastenings to the cross member 3 are made by means of screws that go through the bar and at the rear be tightened by means of screw nuts. The rows of pieces I3, 15-17 and 19 are connected by means of cones. If necessary, the food defrost A can have two evaporators for own different fluids.

The food structure A can - as in J? Ig. 2 shown - the following Own equipment:

- A self-inflating resuscitator can be attached to the branch 14 of the T-piece 13 22 with inlet valve 23 directly or via one Sleeve 24 and fitted with a short corrugated hose will;

- You can also connect to branch 14 in another building branch. art via the short corrugated tube 25 with an inlet valve 27 and an outlet valve 28 provided ventilation bellows 26 are attached;

- The breathing bag 29 can be attached to branch 18 of the T-piece I7 be attached directly;

- A long corrugated hose 30 is attached to the branch 20 of the closure T-piece 19, with the piece 3I behind it

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Overpressure valve and auto-occlusion valve 32, with inhalation branch 33 »exhalation branch 34- and the inside with the flap 36 provided administration branch 35 · To branch 35 the face mask 37 or the connecting piece 38 for connected to the endotracheal catheter. These parts connected to branch 20 form a semi-open one Administration circuit system.

The closure T-piece 19 with the vertical branch 20 and the horizontal connection 21 is detailed in FIGS shown. It includes the horizontal cylindrical body 19 with a conical -J ^ nde for connection to the T-piece 17 and the closed other end. Inside is the cylindrical slide 39, also closed on the one hand, which is rotatable in one piece with the handle 40, which alternately in the one Position the connection to the terminal 21, in the other the connection with the vertical branch 20 through the in the openings shown in the two figures.

A rubber hose 41 is attached to the connecting piece 21, to the known administration circuit systems or preferably the new closed or semi-closed system Circuit with auto-occlusion valve. This last-mentioned circle system shown in FIG. 5 contains a container 42 for soda lime with the window 43 to Observe the color of the soda lime. To one of the connecting pieces of the container is the cross piece 44 with the connections 45,46 to the circle system with the lateral branch 47, in which the pressure relief valve 48 is located, and connected to the lateral branch 49 to which the Breathing bag 50, the long corrugated tube 51 and the artificial one

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Ventilator 52 can be connected in a closed circuit. A long corrugated tube 53 is attached to the connection 46 of the cross piece, and the knee piece 5 ^ is attached to the other end. ^The elbow 55 is connected to the exhalation branch 34, to which the long corrugated tube 56 is attached, the other end of which is attached to the part 57 for feeding the circle system. This part is provided with the connection 58 for attachment to the soda lime container 42 and with the side connection 59 to which the hose 41 is connected, the other end of which is attached to the connection piece 21 of the closure T-piece 19. The face mask 37 or the connecting piece 38 for the endotracheal catheter is attached to the branch 35 of the autoclusion valve 32 for administration and connection to the patient.

The device can also be built as a wall unit. The frame shown in FIGS. 6 and 7 is used for this purpose. This has a rectangular frame 60, the upper horizontal bar 61 of which forms a sliding cross member. ^Λ η the vertical strips of the frame 62, the fastenings and sliding parts 63 of the frame 60 are fixed with screws 64 to the metal rod with ends bricked into the wall. At the bottom of the lower cross bar 66 of the frame 60, the fork support 67 of the closed or semi-closed circuit with an auto-inclusive valve is attached.

The apparatus is with its operating structure A and the above Circular system B is shown in FIG. 8 built on the wall frame of FIGS. 6 and 7.

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A suction device 68 for sucking up the patient's secretion is attached to the side of the bar 62 of the frame.

With the polyvalent portable apparatus of the present invention for - "- anesthesia and respiratory resuscitation the following operations are performed:

a: Respiratory resuscitation using atmospheric Air in the absence of medicinal products. 39.

The structure required for this is shown in FIG. 9. The short corrugated tube 25, the sleeve 24 and the self-inflating ventilation bag 22 with the valve 23 are connected to the vertical connector of the T-piece I3. The T-piece 13 is in the open position ₍ the evaporator 15 and the T-piece 17 are closed. The T-piece 19 is open to the branch 20 to which the known semi-open administration circuit system is attached.

When you squeeze the self-inflating resuscitator bag, the air inside flows through structure A and the attached half-open circle over the face mask

37 or the - "connection piece for the - ^ ndotrac healkat het er

38 it is administered to the sick person. As soon as the pressure on the ventilation bag 22 ceases, the position of the changes Flap 36 of the respiratory valve 32 and the Air in the patient's lungs is released into the atmosphere through the exhalation branch 3 ** ·. Simultaneously the self-inflating resuscitator 22 returns to the original one Form back by sucking in outside air via valve 23, after which the cycle is repeated. The pressure relief valve 31

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Prevents the creation of dangerous positive pressure in the circulation during the inhalation phase.

Instead of the self-inflating ventilation bag 22, it is also possible the ventilation bellows 26 with its valves can be attached »

If contaminated air is present, a filter cartridge (not shown) can be attached to the suction side of the ventilation bag 22 can be used.

b: The administration of general anesthesia using the anesthetic carried by the atmospheric air Fumes.

The construction according to Fig. 10, which is similar to that used in the previous paragraph, is used with an evaporator, which offers a weak resistance to inhalation. It can optionally be one for different anesthetic Vaporizers that can be used in series with liquids can be used.

Anesthesia can be facial or endotracheal administered. When di & anesthesia is stabilized and the patient breathes spontaneously, the Self-inflating ** ventilation bag 22 or the ventilation bellows 26 can be removed and the patient can inhale directly via branch 14 of the T-piece 15, whereby the inhaled Air goes through the evaporator 15.

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c: Intervention with atmospheric air in the case of accidental interruption of the supply of medicinal gas during the administration of the General anesthesia with a vaporizer with a calibrated structure, which opposes the gases with a high resistance.

The structure according to FIG. 11 is used, which differs from that in 5 ¹ Ig. IO differs through the open position towards branch 18 of T-piece 17 and the attachment of breathing bag 29 to branch 18.

When the medical gas supply is suspended via the gas metering device 6 and 7, hose and sleeve 23, 2Ά- and self-inflating breathing bag 22 are grown. The air in the self-inflating resuscitator 22 is forced through the assembly A. It passes through the evaporator 15 and collects in the breathing bag 29, from which the patient inhales an air and anesthetic vapor mixture via the half-open circle. In this way, the high resistance opposed to the breathing flow by the calibrated evaporator 15 is bypassed.

d: Respiratory oxygen resuscitation.

To do this, the apparatus is connected to a source of oxygen. The structure according to Pig comes. 12 comes about. Tee 13 and evaporator 15 are in the closed state. To the Branch 18 of the T-piece 17 is in the open position of the Breathing bag 29 attached, - ^ n the one open to branch 20 T-piece 19 is attached to the half-open administration circuit.

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The originally via the line with valve 4 then via the Oxygen metering device 6 flows through supplied oxygen the structure and accumulates in the breathing bag 29. If this is compressed, the oxygen flows over the half-open circuit towards the patient with the valve 36 closing the exhalation port 34; the one-sided Valve 16 prevents the gas flow from being reversed. In the inhalation phase, the valve 36 closes the inhalation branch 33 of the valve 32 and the breathing bag 29 fills up again with oxygen.

e: The administration of anesthesia with oxygen and Laughing gas and anesthetic vapors in a semi-open circle system.

The structure shown in FIG. 13 is used, which is similar to that that in Fig. 12, at which the nitrous oxide feed is through the gas metering device 7 is open. The gas mixture also goes through the hazy 15. The administration proceeds as in the Pall d.

f: Anesthesia with the new circle system with auto-occlusion valve in a closed or semi-closed circuit or with known anesthetic circuits.

The construction of FIG. 14 is carried out, completed with the selected - "- anesthesia group. T-pieces 13 and 17 are closed, the T-piece 19 to connection 21 is open. It is supplied with oxygen and nitrous oxide via the gas metering devices 6 and 7, the mixture flows through the evaporator 15 and arrives laden with anesthetic vapors

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it into the anesthetic circle system via the hose 41.

g: The operation of the closed or semi-closed rupture system for anesthesia and respiratory resuscitation with auto-occlusion valve.

In the inspiratory phase shown in FIG. 15, the gas mixture supplied via hose 41 flows through the soda lime container and collects in the breathing bag 50. In the case of spontaneous breathing, for the patient, the gas mixture flows through the cross piece 44, the corrugated tube 55 and gelanj; Via the auto-occlusion valve 32, in which the flap 36 closes the breathing branch 34 to the patient via the face mask 37 or via the connecting piece 38 for the lindotracheal catheter. In the exhalation phase shown in FIG. 16, the flap 36 opens the inhalation branch 33 of the valve 32 and the exhaled gas mixture passes through the expiratory branch 34, a corrugated tube 56, the piece 57 where it mixes with the fresh gas mixture The soda lime container 42, where the exhaled carbon dioxide is absorbed, then flows through the cross piece 44. It collects in the breathing bag 50. The cycle described is repeated identically in closed circuit operation discharged into the atmosphere. in the case of the application of controlled respiration of the breathing bag 50 is UNAE the artificial ventilator 52 in the closed circ _a uf replaced by the corrugated tube 51st the circulation of the gases in the described circuit is closed and semi-closed operation remains the same.

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The following advantages are obtained by applying the invention achieved:

- It is used for anesthesia and over a polyvalent device respiratory resuscitation in and out of the hospital, whether or not it is present of medicinal gases in all clinical situations that arise in both adults and children is usable.

- The device is lighter, has quick assembly and Disassemblable components, can find many uses and is considered portable and detachable Wall unit executed.

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Claims (6)

Claims [I.) Portable device for anesthesia and respiratory resuscitation, which as a first rope comprises a structure of components for loading medicinal gases or air, for evaporation of the anesthetic fluids and for their mixing and conveyance to the second part, which circuit systems and components for respiratory resuscitation and administration of general anesthesia comprises characterized by
the following features: - In the first part, the structure includes two T-pieces for connecting the parts to the air supply by hand the evaporator, and for connecting a breathing bag behind the same, both with switchover option, as well as a third locking T-piece with changeover switch, which enables the side or row loading of the administration circuits enables; - a well-known semi-open circuit provided with an auto-occlusion valve for anesthesia and respiratory Revival; - a closed or semi-closed one with an auto-occlusion valve provided circuit for anesthesia and respiratory resuscitation; - The various structural parts of the first part of the device as well as the components of the various circles used are intended for quick assembly and disassembly. 2. Device according to claim 1,
characterized,
that it is instead of the closed or semi-closed 209844/0774 _1Λ Circle for anesthesia and respiratory resuscitation has another, well-known, V area for the same purposes. 3. Device according to claim 1, in which the locking T-piece with a changeover switch consists of a horizontal cylindrical body (^ 9), with a conical - ^ end to connect to the preceding one Piece and another closed Jinde, with a slide that is also closed on the one hand a cylindrical body (39) inside which can be rotated in one piece with a handle (40) by in one position, the connection with an extension socket (21) and in the other position the connection with the side branch (20) of the T-piece through the openings in the cylindrical shells and the bottoms of the pieces 4. Device according to claim 1,
characterized, that the structure of the pieces of the first part comprises the following: - The line with valve (4) to the urgent in a one behind the other on a sliding cross bar (3) Oxygen feed, the gas mixing block (5) with included adjustable gas metering device for oxygen (6) and nitrous oxide (7) j a connector (12), which is screwed to the block (5) and also to the T-piece (13) with the reversing handle of the vertical Branch (14), the evaporator (15) attached to the cross bar (3), the unidirectional valve (16) the T-piece (1?) exactly the same as the T-piece (I3) -19- 20984A / 0774 the vertical branch (18), whereby the structure ends with the locking T-piece (19) that is attached to the Qaer strip (3) fixed and reversible is provided for the alternating closure of the vertical branch (20) and the horizontal branch with the hose connector (21); - connected to the vertical branches of the T-pieces as required; - To the T-piece (13): a self-ventilation bag (22) directly or via a sleeve (24) and a corrugated tube (25), or, by means of the folded hose (25), a ventilation bellows (26) j - On the T-piece (17), directly, a breathing bag (29), on the closure T-piece (19) a half-open administration circuit; at the vertical branch also a hose (41) for loading the closed or semi-closed administration circuit with auto-occlusion valve or of the known administration circles. 5. Apparatus according to claim 1,
characterized, that its closed or semi-closed administration circle with the auto-occlusion valve, the soda lime container (42) and the cross piece (44) with the connections (45, 46) to the circle of the side branch (47), in which the pressure relief valve (48) is located, and to the side branch (49) to the breathing bag (50) or the long column tube (51) and the artificial respirator (52) can be connected in closed circuit operation, and in the Continuation of the connection (44) a long pleated hose (53), at the end of which the knee (54) is attached, to which the autoclusion valve (32) with its inspiratory Abzvieig (33) is attached, on the expira- —20— 209844/0774, toric branch (34) the knee (55) is connected to which the long corrugated tube (56), the other End of the circular charge piece (57) is mounted with a connector (58) for connecting to the Container (42) as well as with a side connection (59) for the hose (41) is provided, whereby the patient connection branch (35) of the autoclusion valve (32) either the face mask (37) or the connecting piece (38) for the endotracheal catheter is attached. 6. Device according to claim 1, 4 and 5 »
characterized, that it has a rectangular frame (60) for the wall construction variant, its built as a sliding crossbeam upper horizontal bar (61) to the vertical bars (62) the pad over the fastening and sliding pieces (63) of the frame is fastened with screws (64) to the rail (65) fixed in the wall while underneath the lower horizontal bar (66) the fork support (67) of the closed or semi-closed administration circle with auto-occlusion valve, with a suction device (68) on the side of the bar (62) of the frame (60) is attached. 209844/0774