CN210009335U

CN210009335U - Breathing machine

Info

Publication number: CN210009335U
Application number: CN201920370761.4U
Authority: CN
Inventors: 鲍永新; 王丽娥; 鲍永岩; 刘丹; 陈作雷; 张海青; 魏建凤; 李婧
Original assignee: Qingdao Women and Childrens Hospital
Current assignee: Qingdao Women and Childrens Hospital
Priority date: 2019-03-21
Filing date: 2019-03-21
Publication date: 2020-02-04
Anticipated expiration: 2029-03-21

Abstract

The utility model discloses a breathing machine belongs to medical instrument technical field. This breathing machine includes through exerting different pressures for different chest wall action points of patient and with the supplementary respiratory device of chest of supplementary patient's breathing, the supplementary respiratory device of chest includes a plurality of first pressure suction machines, and the film that contacts with the patient, first pressure suction machine includes the support frame, the suction shaft in the support frame is located to some cover, a actuating mechanism for driving the suction shaft along axial linear motion, and be used for controlling the controller of suction shaft motion range, the suction shaft is equipped with first sucking disc in the one end that stretches out the support frame, first sucking disc passes through the film and contacts with the patient chest, actuating mechanism is connected with the controller electricity. The utility model discloses be applied to in the aspect of supplementary patient breathes, its characteristics are negative pressure respirator, have solved the problem that current malleation breathing machine caused the damage to the patient easily, have the breathing pattern and more be close physiological respiration, are favorable to critically ill patient to return and the characteristics of difficult air flue anesthesia management.

Description

Breathing machine

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a breathing machine.

Background

The ventilator has been widely used in respiratory failure due to various reasons, anesthesia and breathing management during major surgery, respiratory support therapy and emergency resuscitation, and has a very important position in the modern medical field as an effective means for manually replacing the autonomous ventilation function. However, the existing breathing machine must buckle the mask on the patient, and all the breathing modes are positive pressure breathing modes, so that on one hand, the patient feels very inconvenient, on the other hand, the positive pressure breathing mode often cannot completely simulate the physiological breathing state, and the patient body is easily subjected to barotrauma due to long-term positive pressure breathing mode, which is not beneficial to recovery of the patient, even harms the life of the patient.

Patent CN 202822383U discloses a do not have electronic breathing machine of wound negative pressure, including electronic piston suction machine and breathing case, the breathing interface of electronic piston suction machine passes through the interface connection of ventilating of stereoplasm pipe with the breathing case. The breathing box is attached to the upper body of a patient, and the electric piston type suction compressor is used for ventilating or sucking air for the breathing box, so that the breathing box is in a positive pressure state, a normal pressure state and a negative pressure state, and the breathing action of a dynamic respiratory paralysis patient is finished in a mode closer to physiological breathing.

However, when a human body is in a breathing state, the fluctuating height of each rib is different, the breathing box in the patent is attached to the human body, the acting force of each attaching point on the human body is the same, and the rib and soft tissue at some parts are easily damaged due to overlarge pressure.

SUMMERY OF THE UTILITY MODEL

The weak point that exists to prior art, the utility model aims to solve the technical problem that overcome current breathing machine and cause the damage problem to the patient easily, provide a breathing mode and more approach physiological respiration, be favorable to critically ill patient to return and difficult air flue anesthesia management's breathing machine.

For solving the technical problem, the utility model discloses a technical scheme be:

the utility model provides a breathing machine, include through applying different pressures in order to assist the respiratory chest auxiliary respiration device of patient for the different chest wall action points of patient, the chest auxiliary respiration device includes a plurality of first machines of inhaling to and the film of contacting with the patient, first machine of inhaling includes the support frame, and partial cover is located inhale the pressure shaft in the support frame, be used for the drive inhale the pressure shaft along axial linear motion's actuating mechanism, and be used for control inhale the controller of pressure shaft motion range, inhale the pressure shaft and stretching out the one end of support frame is equipped with first sucking disc, first sucking disc passes through the film contacts with the patient chest, actuating mechanism with the controller electricity is connected.

Preferably, the chest auxiliary breathing device further comprises a sleeve, the pressure suction shaft is arranged outside the support frame, the support frame is located a rotating cylinder between the pressure suction shafts, the rotating cylinder is connected with the driving mechanism and can rotate around the axis of the rotating cylinder, an internal thread is arranged on the inner wall of the rotating cylinder, the pressure suction shaft is far away from one end of the first sucker, and an external thread matched with the internal thread of the rotating cylinder is arranged outside the pressure suction head.

Preferably, the pressure suction shaft further comprises a sliding shaft located between the pressure suction head and the first suction disc, the sliding shaft is sleeved with a fixed cylinder fixed in the support frame, the sliding shaft is connected with the fixed cylinder in a sliding manner, and the inner diameter of the fixed cylinder is smaller than that of the rotating cylinder.

Preferably, the inner wall of the fixed cylinder is circumferentially provided with a groove parallel to the central axis of the fixed cylinder, the outer wall of the sliding shaft is provided with a protruding part matched with the groove, and the protruding part is matched and connected with the groove.

Preferably, the film comprises a gel layer for contacting with a patient, an adsorption layer capable of effectively adsorbing the first suction cup, and a magnetic layer arranged between the gel layer and the adsorption layer, wherein the first suction cup comprises a magnetic material capable of mutually attracting with the magnetic layer.

Preferably, a pressure sensor is arranged between the first suction disc and the film.

Preferably, the chest assisted breathing device further comprises a shell and a clamping mechanism for fixing the shell on the upper body of the patient, and the shell comprises two side wings which can be matched with the upper body of the patient.

Preferably, the abdominal auxiliary breathing device is used for controlling expansion and contraction of abdominal muscles in the breathing process and comprises a second suction machine, and the second suction machine comprises a second suction cup.

Preferably, the pressure sensor further comprises a display, and the display is electrically connected with the controller and the pressure sensor.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model provides a respirator, through setting up a plurality of first suction machines, each first suction machine has duplicated the motion law of corresponding chest wall when the patient breathes, and control each first suction machine to carry out the assisted respiration to the patient according to this, help carrying on the effective and non-invasive assisted respiration to the patient with the mode that more approaches physiological respiration;

2. the utility model provides a breathing machine sets up the assorted screw thread respectively through setting up rotatory section of thick bamboo and inhaling the pressure head, helps the motion range of accurate control pressure suction shaft, improves the breathing efficiency of breathing machine auxiliary patient.

Drawings

Fig. 1 is a schematic structural view of a chest-assisted breathing apparatus of a ventilator according to an embodiment of the present invention;

fig. 2 is a schematic view of the working state of the first suction machine when the chest auxiliary breathing apparatus of the breathing machine provided by the embodiment of the present invention assists the patient to breathe;

fig. 3 is a partial cross-sectional view of a chest assisted breathing apparatus provided by an embodiment of the present invention;

fig. 4 is a top view of a ventilator provided in accordance with an embodiment of the present invention for assisting a patient in breathing;

FIG. 5 is a front view of a ventilator according to an embodiment of the present invention assisting a patient in breathing;

in the above figures, 1, a chest assisted breathing apparatus; 11. a first suction machine; 111. a support frame; 112. a suction shaft; 1121. a first suction cup; 1122. a suction head; 1123. a sliding shaft; 11231. a protruding member; 113. a drive mechanism; 114. a rotary drum; 115. a fixed cylinder; 1151. a groove; 12. a housing; 121. a side wing; 13. a clamping mechanism; 2. an abdominal assisted breathing apparatus; 21. and a second suction press.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the description of the present invention, it should be understood that the terms "upper", "lower", "bottom", "inner", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in fig. 1, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b): as shown in fig. 1, a breathing machine comprises a chest assisted breathing apparatus 1 for assisting a patient to breathe by applying different pressures to different chest wall action points of the patient, the chest assisted breathing apparatus 1 comprises a plurality of first suction presses 11 and films contacting the patient, each first suction press 11 comprises a support frame 111, a suction shaft 112 partially sleeved in the support frame 111, a driving mechanism 113 for driving the suction shaft 112 to move linearly along an axial direction, and a controller for controlling the movement amplitude of the suction shaft 112, the suction shaft 112 is provided with a first suction disc 1121 at one end extending out of the support frame 111, the first suction disc 1121 contacts with the chest of the patient through the films, and the driving mechanism 113 is electrically connected with the controller. This breathing apparatus is assisted to chest 1 of breathing machine is through setting up a plurality of first suction machines 11, and the drive parameter through each actuating mechanism 113 of controller control, thereby control the motion range of each first suction machine 11 suction shaft 112, as shown in fig. 2, the motion range of each first suction machine 11 suction shaft 112 is different, be favorable to corresponding apply different pressure to the chest wall at different positions of patient, breathe in order to more closely assisting the patient in the breathing mode of physiology, avoided causing the injury to the patient, patient's travelling comfort when improving the patient to the patient simultaneously. In addition, the first suction disc 1121 is in contact with the patient through the film, so that the patient is prevented from being damaged due to the fact that the first suction disc 1121 is in direct contact with the patient, and meanwhile, the film is attached to the chest wall of the patient, and a certain protection effect is achieved on the patient.

In order to effectively control the movement and the movement amplitude of the suction shaft 112 and improve the working efficiency of different first suction machines 11, the chest assisted respiration device 1 further comprises a rotary cylinder 114 which is sleeved outside the suction shaft 112 and is positioned between the support frame 111 and the suction shaft 112, the rotary cylinder 114 is connected with the driving mechanism 113 and can rotate around the axis of the rotary cylinder 114, an internal thread is arranged on the inner wall of the rotary cylinder 114, a suction head 1122 is arranged at one end of the suction shaft 112 far away from the first suction disc 1121, and an external thread matched with the internal thread of the rotary cylinder 114 is arranged outside the suction head 1122. The driving mechanism 113 is disposed at the top end of the supporting frame 111, the driving mechanism 113 drives the rotary drum 114 to rotate, the rotary drum 114 and the suction head 1122 are respectively provided with threads matched with each other, the rotation of the rotary drum 114 drives the suction shaft 112 to move linearly along the axial direction, and the movement amplitudes of different suction shafts 112 are controlled by controlling the driving mechanism 113 by the controller.

In order to further ensure that the suction shaft 112 can effectively move linearly in the axial direction, the suction shaft 112 further includes a sliding shaft 1123 located between the suction head 1122 and the first suction disc 1121, the sliding shaft 1123 is sleeved with a fixed cylinder 115 fixed in the supporting frame 111, the sliding shaft 1123 is slidably connected with the fixed cylinder 115, and the inner diameter of the fixed cylinder 115 is smaller than the inner diameter of the rotating cylinder 114. In order to ensure that the suction head 1122 and the rotary cylinder 114 are kept connected through the threads, the inner diameter of the fixed cylinder 115 is smaller than the inner diameter of the rotary cylinder 114, so that the failure of the breathing machine caused by the separation of the suction head 1122 and the rotary cylinder 114 is avoided, and the breathing machine is ensured to effectively assist in breathing of a patient.

As shown in fig. 3, a groove 1151 parallel to the central axis of the fixed cylinder 115 is circumferentially formed on the inner wall of the fixed cylinder 115, a protruding member 11231 matching with the groove 1151 is formed on the outer wall of the sliding shaft 1123, and the protruding member 11231 is connected with the groove 1151 in a matching manner. This arrangement ensures that the pressure-absorbing shaft 112 moves linearly in the axial direction, and prevents the pressure-absorbing shaft 112 from rotating with the rotary cylinder 114, thereby improving the working efficiency and the accuracy of the movement range. It should be noted that, in order to improve the stability, the number of the grooves 1151 and the protruding members 11231 is at least 1, and a plurality of the grooves 1151 are uniformly distributed along the circumferential direction of the inner wall of the fixed cylinder 115.

In order to increase the attraction between the film and the first suction cup 1121, the film includes a gel layer contacting with the patient, an absorption layer capable of effectively absorbing with the first suction cup 1121, and a magnetic layer located between the gel layer and the absorption layer, and the first suction cup 1121 includes a magnetic material capable of mutually attracting with the magnetic layer.

Further, a pressure sensor is disposed between the first suction cup 1121 and the film. The absorption force acting force between the first absorbing disc 1121 and the film and the acting force adhesive force between the film and the human body are detected through the pressure sensor, and then whether the first absorbing disc 1121 and the film are effectively and tightly connected or not is determined, so that the chest auxiliary breathing device 1 is favorable for guaranteeing that effective auxiliary breathing is carried out on a patient.

As shown in fig. 4, the chest-assisted breathing apparatus 1 further comprises a housing 12 and a clamping mechanism 13 for fixing the housing 12 to the upper body of the patient, the housing 12 comprising two wings 121 which can be fitted to the upper body of the patient. To the different sizes of different patients, this casing 12 includes a plurality of models, and simultaneously for the travelling comfort that improves the device, this casing 12 adopts the preparation of plasticity material layer, simultaneously in order to guarantee fixture 13 can be with the firm laminating of this casing 12 and patient's upper part of the body, the part of this fixture 13 and casing 12 contact adopts the preparation of stereoplasm material layer. In order to ensure that the chest assisted breathing apparatus 1 fits closely to the chest of a person, a clamping mechanism 13 secures the chest assisted breathing apparatus 1 to the patient bed, as shown in fig. 5. In addition, the clamping mechanism 13 includes a plurality of clamping members that contact the housing 12 to further ensure that the wings 121 are in close contact with the upper body of the patient.

In order to facilitate the breathing of the patient assisted by the breathing machine, the breathing machine further comprises an abdominal auxiliary breathing device 2 for controlling the expansion and contraction of abdominal muscles during the breathing process, the abdominal auxiliary breathing device 2 comprises a second suction cup 21, and the second suction cup 21 comprises a second suction cup. In addition, this belly assisted respiration device 2 still includes the belly film of contacting with the patient, and the second sucking disc passes through the belly film and contacts with patient's belly, and when the patient breathes, this belly assisted respiration device 2 is used for controlling the expansion and the shrink range of patient's belly to strengthen patient's breathing.

In order to facilitate supervision of the working state of the breathing machine and real-time adjustment of various parameters of the breathing machine according to actual conditions, the breathing machine further comprises a display, and the display is electrically connected with the controller and the pressure sensor.

The method for assisting the patient to breathe by the breathing machine comprises the following steps:

adhering a film to the chest wall of the patient, fixing the chest auxiliary breathing device 1 on the upper body of the patient to be matched with the upper body of the patient, and enabling more than 70% of the first suction disc 1121 to be tightly connected with the film;

recording the motion amplitude of each pressure suction shaft 112 when the patient calms and breathes and the patient takes the maximum deep breath, starting the breathing machine, and recording the movable range of soft tissues after the patient holds the breath and sucks and presses along with the first pressure suction machine 11; when the breathing parameters of the patient are reduced, the breathing machine is started to perform compensation breathing on the patient, compensation moving ranges of ascending and descending of soft tissues are added respectively on the basis of the moving range of the pressure suction shaft 112 during quiet breathing and the basis of the moving range of the pressure suction shaft 112 during maximum deep breathing, and the driving mechanism 113 drives the pressure suction shaft 112 to increase or decrease the moving range of the pressure suction shaft 112 according to the percentage to assist the patient in breathing. In this step, 10%, but not limited to 10%, can be adopted as a unit to increase or decrease the movement amplitude of the suction shaft 112. In addition, for the patient without breathing, the artificial adjustment according to the height and the weight, the unilateral breathing work mode or the prone position breathing mode and the like can be considered, wherein the unilateral breathing work mode adopts one side wing 121 of the breathing machine to assist the breathing of the patient.

The breathing mode of the method is closer to physiological breathing, which is beneficial to the return of critically ill patients and the anesthesia management of difficult airways. In addition, when the patient does not perform the abdominal operation, the chest auxiliary breathing device 1 and the abdominal auxiliary breathing device 2 can be used for assisting the patient to breathe simultaneously, so that the breathing efficiency of the breathing machine for assisting the patient to breathe is further improved.

Claims

1. Breathing machine, its characterized in that: the chest auxiliary breathing device (1) comprises a plurality of first suction machines (11) and films in contact with a patient, wherein the first suction machines (11) comprise a supporting frame (111), a suction shaft (112) in the supporting frame (111) is partially sleeved with the supporting frame (111), a driving mechanism (113) for driving the suction shaft (112) to move linearly along the axial direction and a controller for controlling the movement amplitude of the suction shaft (112), a first suction cup (1121) is arranged at one end of the suction shaft (112) extending out of the supporting frame (111), the first suction cup (1121) is in contact with the chest of the patient through the films, and the driving mechanism (113) is electrically connected with the controller.

2. The ventilator of claim 1, wherein: chest auxiliary respiration device (1) is still located including the cover inhale outside pressure shaft (112), and be located support frame (111) with rotatory section of thick bamboo (114) between inhaling pressure shaft (112), rotatory section of thick bamboo (114) with actuating mechanism (113) link to each other, and can rotate around self axis, rotatory section of thick bamboo (114) inner wall is equipped with the internal thread, inhale pressure shaft (112) keeping away from the one end of first sucking disc (1121) is equipped with pressure suction head (1122), pressure suction head (1122) be equipped with outward with rotatory section of thick bamboo (114) internal thread assorted external screw thread.

3. The ventilator of claim 2, wherein: the pressure suction shaft (112) further comprises a sliding shaft (1123) located between the pressure suction head (1122) and the first sucker (1121), a fixed cylinder (115) fixed in the support frame (111) is sleeved outside the sliding shaft (1123), the sliding shaft (1123) is in sliding connection with the fixed cylinder (115), and the inner diameter of the fixed cylinder (115) is smaller than that of the rotating cylinder (114).

4. The ventilator of claim 3, wherein: the inner wall of the fixed cylinder (115) is circumferentially provided with a groove (1151) parallel to the central axis of the fixed cylinder (115), the outer wall of the sliding shaft (1123) is provided with a protruding piece (11231) matched with the groove (1151), and the protruding piece (11231) is matched and connected with the groove (1151).

5. The ventilator of claim 1, wherein: the adhesive sheet comprises an adhesive layer which is in contact with a patient, an adsorption layer which can be effectively adsorbed by the first sucking disc (1121), and a magnetic layer which is positioned between the adhesive layer and the adsorption layer, wherein the first sucking disc (1121) comprises a magnetic material which can be mutually attracted with the magnetic layer.

6. The ventilator of claim 1, wherein: and a pressure sensor is arranged between the first suction cup (1121) and the film.

7. The ventilator of claim 1, wherein: the chest auxiliary breathing device (1) further comprises a shell (12) and a clamping mechanism (13) used for fixing the shell (12) on the upper body of a patient, wherein the shell (12) comprises two side wings (121) which can be matched with the upper body of the patient.

8. The ventilator of claim 1, wherein: still including being used for controlling the supplementary respiratory device (2) of belly that respiratory process belly muscle expands and contracts, supplementary respiratory device (2) of belly include second suction machine (21), second suction machine (21) include the second sucking disc.

9. The ventilator of claim 6, wherein: the pressure sensor is electrically connected with the controller.