CN2250157Y - Motor multiple sucker external positive and negative pressure respirator - Google Patents

Abstract

The utility model relates to a mechanical multiple-sucking disc external positive and negative pressure respirator, which is provided with a base (1), an upright post (2), a cross beam (3), and a reciprocating motion mechanism (5). The utility model is characterized in that a reciprocating motion shaft (7) is provided with a connecting plate (8); an elastic sucking disc (10) and a sucking disc handle (12) are fixedly connected with the connecting plate (8). The elastic sucking disc is adsorbed to the thoracic cavity or the epigastric zone of a human body, and the reciprocating motion mechanism make the sucking disc move up and down. When lifted, the mechanical multiple-sucking disc external positive and negative pressure respirator expands the thoracic cavity to form negative pressure air suction. When pushed, the mechanical multiple-sucking disc external positive and negative pressure respirator compresses the thoracic cavity to help exhalation. The mechanical multiple-sucking disc external positive and negative pressure respirator does not resist against the blood circulation of the human body, and is suitable for the early treatment of chronic respiratory failure patients. The utility model has the advantages of simple structure, convenient operation, and reliable operation, and is convenient for nursing family sickbeds.

Description

The external PNPB device of motor-driven multi-sucker

This utility model belongs to medical apparatus and instruments, is a kind of sucker absorption human body breast abdominal part that utilizes, and is air-breathing to the pressure of thoracic cavity generation negative pressure when lifting, and during pushing and pressing the breathing equipment of exhaling assisted in the thoracic cavity compression.

Since external negative pressure ventilation technology is come out.Released once such as external negative pressure breathing machines such as tank formula, jacket formula and armor formulas, but have some problems, what have shifts because of the huge inconvenience of structure.It is also difficult to operate nursing, and need being undertaken by the bodily form of having is special, cannot say for sure to demonstrate,prove otherwise seal, thereby influences objective effect, causes this class respirator popularization and development all slower.Medical profession mainly adopts the positive airway pressure technology to treat to the respiratory failure patient before month, but carrying out in a deep going way along with treatment work.It has been recognized that positive airway pressure can produce inhibition to human circulation, also may bring out tension pneumothorax, pulmonary infection, gastrointestinal dysfunction etc., and execute tracheal intubation used in the art at positive airway pressure, when particularly needing to cut person's windpipe, therefore be generally the patient who remains autonomous respiration and refuse, often lose treatment opportunity.For the patient who makes chronic respiratory failure patient, particularly neuromuscular and skeleton illness obtains early treatment's chance.Some Medical Technologist were to AT and do not reappraise and further investigate with the external negative pressure ventilation technology of blood of human body circulation antagonism in the last few years.

Domestic at present, provide a kind of KKX-IIIA type " controlled closed cardiac massage machine " by Zhejiang Province's Yuhang County State Scientific and Technological Commission trial (demonstration) plant.It is mainly by base, and column can be adjusted crossbeam highly on column, and the reciprocating mechanism that has controller is packed on the crossbeam, moves back and forth axle head and is fixed with compositions such as cushion.When rescuing heartbeat all standing patient, cushion is aimed at 1/3rd places under the human body breastbone, start reciprocating mechanism by controller, make reciprocating shaft drive the cushion motion.Compress the thoracic cavity during pushing cushion earlier, when human body exhalation cycle end, further compress heart more then, thereby help to exhale and heart row blood.When lifting cushion, disengaging contacts with people's breast, by people's breast elastic recovery initial condition, reaches the air-breathing and venous return heart purpose of chest expanding, and the pushing repeatedly through cushion impels cardio-pulmonary resuscitation.Obvious this massage appliance is to be directly used in the chronic respiratory failure patient's that need to strengthen respiratory function.Chinese patent CN95236029.2 " cardiopulmonary resuscitator that external chest compression and artificial ventilation hocket " (95.9.3 mandate), pointed out a kind of resilient suction cups, can utilize it that the urgent patient is carried out artificial external chest compression heart and lifts chest expanding, help venous return and negative pressure ventilation.In view of the above, we are packed in the reciprocating motion axle head of above-mentioned massage appliance with this resilient suction cups, by sucker absorption the thoracic cavity are pumped.Show that through simulation test this single sucking disc scheme can strengthen the respiratory function of human body, but because adsorption area is few, can not guarantee comprehensive chest expanding when lifting, ventilatory effect is not good enough, and pressure is too concentrated human body is not relaxed during pushing, and damage skin table easily during life-time service, uneven because of the torso model appearance in addition, only depend on to increase single sucker overall dimensions, exist and make difficulty, expansion helps the patient of breathing by upper abdomen to needs especially, and the single sucking disc mode can't achieve the goal.

At above-mentioned prior art combination remain deficiency, develop a kind of structure of utilizing multi-sucker, enlarge adsorption area and enlarge site of action, interambulacrum distance, sucker height and position can be adjusted, and sucker can trace swing the external PNPB device of motor-driven multi-sucker, be design objective of the present utility model.

Primary structure of the present utility model includes base, column, and the crossbeam that can on column, adjust height, the reciprocating mechanism that has controller is packed on the crossbeam, can the multi pack resilient suction cups on the reciprocating shaft etc. composition, its special feature be on the reciprocating shaft multi pack with the tie-plate of some radial elongated slots, other has several band ambulacras, this handle tail has screw thread, after can in the radial elongated slot of tie-plate, moving and adjusting height, be fastened on the tie-plate with nut, and the front end of this handle is the bulb shape, can links with a sucker back of the body seat ball pivot.

Its technical pattern also comprises: hole is arranged on the tie-plate, can pierce into reciprocating shaft, and make axial slip at reciprocating motion shaft end place, on the reciprocating shaft of tie-plate upper and lower, buffer spring all is housed successively and adjusts setscrew nut.

This utility model adopts the said structure scheme, have following effect successively: 1, patient lies on the back and lies on the hardboard bed, reciprocating shaft with this device places top, patient thoracic cavity again, on column, adjust the suitable height of crossbeam then, and in the elongated slot of tie-plate mobile sucker handle, select the suitable absorption position (example is avoided female breast, or is adsorbed on epigastrium etc.) of sucker, after treating sucker absorption human body, with the sucker handle tail with nut and tightly on tie-plate.Behind Engagement Control device switch, can make reciprocating mechanism work, move together by reciprocating shaft drive tie-plate, sucker handle, sucker.When moving upward, sucker lifts expanded chest, sucker pushing and pressing compression thoracic cavity when moving downward.Because torso model or upper abdomen appearance are uneven, behind the sucker absorption human body, and in motor process, sucker centrage and sucker handle are not overlapping, can be adjusted automatically by the ball pivot trace rotation of sucker back of the body seat.2, after the tie-plate upper and lower respectively is provided with spring and adjusts nut, have two aspect effects, when one is close to spring when the adjustment nut, when reciprocating shaft moves upward, at first pass through to adjust down nut compression lower spring, and then lift the sucker rising in the tie-plate lower surface by lower spring is afterburning gradually; When reciprocating shaft moves downward, at first compress upper spring, and then press down in tie-plate upper surface pushing and pressing sucker by upper spring is afterburning gradually by last adjustment nut.Thereby sucker is lifted or when pushing against the human body thorax, a progressively afterburning buffering course is arranged all.It when respectively leaving certain interval with last lower spring, when then reciprocating shaft moves up or down, all has an idle stroke two after adjusting nut adjustment location, promptly eliminate the gap earlier after, adjust nut and just begin to compress spring, and then act on tie-plate and sucker.Thereby can regulate suitable past the complex amplitude of sucker by the position location of adjusting nut in condition more intuitively, satisfy thoracic cavity expansion that varies with each individual and the amplitude needs that compress.

Fig. 1 is this utility model basic structure sketch map.

Fig. 2 is the tie-plate sketch map with four radial elongated slots.

Fig. 3 is the structural representation sketch drawing that spring is housed at the tie-plate upper and lower.

Fig. 1, Fig. 2 is a kind of embodiment of the present utility model, it is mainly by base (1), two columns (2), can on column, adjust the crossbeam (3) of height, the reciprocating mechanism of being made up of the crank connecting link of reducing motor (4) drive (5) is packed on the crossbeam, controller (6) is a switch, in order to starter motor (4), reciprocating shaft (7) multi pack has tie-plate (8), radial elongated slot (9) is arranged on the tie-plate, the resilient suction cups of being made by silica gel (10) links by front end bulb (13) ball pivot of its back of the body seat (11) with sucker handle (12), and sucker handle (12) tail end is packed in tie-plate elongated slot (9) lining by nut.Obviously reciprocating mechanism (5) also can be made of hydraulic cylinder or cylinder, and controller (6) can be made of electromagnetic valve, switch etc.Can be shaped on some radial elongated slots (9) on the tie-plate (8), select for use for required sucker (10).Fig. 1 represents 2 suckers of adapted.

Fig. 3 has represented the reciprocating shaft (7) that a kind of double-acting cylinder drives, and buffer spring (14,15) respectively is housed and adjusts setscrew nut (16,17) at the upper and lower of tie-plate (8), and tie-plate (8) can be gone up axial slip at reciprocating shaft (7).Setscrew nut (16,17) can leave the gap with spring (14,15) end when adjusting the position, also bidding chi in addition can be adjusted the motion amplitude of sucker (10) more convenient, intuitively.

From as can be known above-mentioned, the external PNPB device of the motor-driven multi-sucker that this utility model provides is a kind of basic structure, and its controller (6) can be convenient to home care and be used by medical worker or patient's straightforward manipulation.If set up the human body respiration pick off, then signal can be linked the related breathing machine, realize full-automatic and oxygen-supply operation.

Claims (2)

1, the external PNPB device of motor-driven multi-sucker is mainly by base (1), column (2), can on column, adjust the crossbeam (3) of height, the reciprocating mechanism (5) that has controller (6) is packed on the crossbeam, reciprocating shaft (7) first line of a couplet is equipped with resilient suction cups (10) and constitutes, it is characterized in that reciprocating shaft (7) multi pack with the tie-plate (8) of some radial elongated slots (9), sucker (10) links by front end bulb (13) ball pivot of its back of the body seat (11) with sucker handle (12), sucker handle (12) tail end has screw thread, connects firmly in tie-plate elongated slot (9) lining by nut.

2, the external PNPB device of motor-driven multi-sucker according to claim 1, it is characterized in that having on the tie-plate (8) can be at the hole of place, reciprocating shaft (7) end axial slip, on the reciprocating shaft (7) of the upper and lower of tie-plate, buffer spring (14,15) all is housed successively and adjusts setscrew nut (16,17).

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