JP4323389B2 - Medical electric aspirator - Google Patents

Description

  The present invention relates to a medical electric aspirator used for discharging gas (air) and liquid (ascites, blood, pus) stored in a body cavity or the like of a patient.

A medical electric aspirator is used for the treatment of sucking air, ascites, blood, pus, etc. from the body cavity of a patient after operation by operating a suction pump and discharging it to the outside. There are low-pressure continuous aspirators, continuous thoracic drainage, and the like as applications for continuously discharging ascites stored in the abdominal cavity, pleural effusions stored in the thoracic cavity and air with an electric suction device for drainage. A plastic collection bag for storing the sucked drainage and a cushion bottle for the overflow reservoir downstream thereof, forming an airway circuit for piping these to the suction pump, and the suction pump and cushion bottle in the main body The structure is generally stored and attached to the front surface of the main body so that a liquid collecting bag dedicated to the suction device is detachable. And ascites etc. are sucked in with a predetermined negative pressure by the operation of the suction pump, and this is stored in a liquid collection bag, and this used liquid collection bag is discarded, but the cushion bottle and the airway circuit in the main body are It is used continuously without any special replacement.

  On the other hand, because the medical electric suction device collects drainage fluid such as pus from patients, there is a potential risk of contamination of the inside of the device with bacteria, etc. It is recommended that each patient be cleaned and disinfected. Further, when infection of the downstream circuit member is suspected due to overflow of the liquid collection bag or the like, it is necessary to discard or replace them.

  The medical electric aspirator is cleaned by injecting a cleaning liquid into the airway circuit with a syringe or the like, but the state and effect of the circuit member housed in the main body cannot be visually confirmed. Further, disposing circuit members suspected of infection requires disassembly and reassembly of the main body, and there are safety issues such as the replacement of these members being extremely difficult.

An object of the present invention is to solve these problems. The state of the cushion bottle and the airway circuit downstream of the liquid collection bag can always be visually confirmed, and the circuit members can be easily cleaned, discarded, and replaced. Therefore, it is an object of the present invention to propose a medical electric aspirator that can significantly improve safety. Another object of the present invention is to propose a medical electric suction device that eliminates an obtrusive protrusion on the main body and is excellent in handling.

In order to achieve the above-mentioned object, the configuration according to claim 1 includes a liquid collection bag 20 for storing the drained liquid sucked by the operation of the suction pump 15 from the body cavity of the patient, and a cushion bottle for the overflow reservoir downstream thereof. 30, an airway circuit that pipes them to the suction pump 15, and attaches the liquid collection bag 20 to the body 10 in a detachable manner. The suction of the suction pump 15 housed in the body 10 A connection port 35 communicating with the port is formed in the main body 10, and the positive pressure prevention valve 25, the cushion bottle 30, and the sterilization filter are sequentially formed from the liquid collection bag 20 which is a member located upstream of the airway circuit connected to the connection port 35. 36 and attached to the body 10 in a state exposed their piping tube, with these members are detachable from the main body 10, these members each other degradable To. And the recessed part 28,33,34 was formed in the main body 10, and the cushion bottle 30, the sanitization filter 36, and those piping tubes were accommodated in the recessed part 28,33,34, and were hold | maintained .

The medical electric aspirator configured as described above always visually checks the state of the cushion bottle 30 and the airway circuit downstream of the liquid collection bag 20, and when the infection of the circuit member is suspected, the positive pressure prevention valve 25 is used. The cushion bottle 30, the sterilizing filter 36, and the piping tube are removed from the main body 10, and individually washed, discarded, or replaced.

According to the configuration of the second aspect of the present invention, the main body 10 is provided with the electromagnetic valve 40 for adjusting the suction pressure and the storage chamber 42 for the pressure sensor 41, and the removable cover 43 for covering the storage chamber 42 is provided. 40 and the pressure sensor 41 can be removed.

According to the third aspect of the present invention , a pair of hooks 16 inserted into the pair of attachment holes 21 along the upper side of the liquid collection bag 20 are provided to protrude from the front surface of the main body 10, and each hook 16 is formed in the horizontal groove 17 . On the other hand, it is possible to slide freely.

According to the configuration of the first aspect, the cushion bottle 30 and the piping tubes that are conventionally stored in the main body 10 are attached to the main body 10 in an exposed state, and the state can be visually confirmed at all times. In addition, the circuit members that are continuously used can be directly accessed, and the work of disassembling and reassembling the main body 10 is not required. The main body 10 can be removed from the main body 10 and disassembled, and can be cleaned individually. When infection is suspected due to overflow or the like, it can be easily discarded and replaced, and the safety can be significantly improved. Further, since the sterilization filter 36 is provided on the most downstream side of the airway circuit connected to the connection port 35 formed in the main body 10, contamination of the suction pump in the main body 10 is prevented, and the sterilization filter 36 can be easily replaced. .

Further, the cushion bottle 30, the sterilization filter 36 and their piping tubes are accommodated and held in the recesses 28, 33, 34 formed in the main body 10, so that the main body 10 has no disturbing protrusions and is not transported. It can prevent detachment or detachment due to vibration or the like, and is extremely excellent in handling.

According to the configuration of the second aspect , when the contamination of the electromagnetic valve 40 and the pressure sensor 41 is suspected, the cover 43 can be removed and the cleaning and replacement thereof can be easily performed.

According to the configuration of the third aspect , the hook 16 can be slid with respect to the horizontal groove 17 in accordance with the interval between the mounting holes 21 of the liquid collecting bag 20, and the interval between the hooks 16 can be freely set. The liquid collection bag 20 with various attachment intervals can be used without being limited to the above, and versatility can be improved.

Hereinafter, the best embodiment of the present invention will be specifically described with reference to the drawings.
In the drawings, the present invention is applied to an electric low-pressure continuous suction device that continuously discharges ascites or the like with a predetermined negative pressure by operating a suction pump. FIG. 1 is a side view, FIG. 2 is a rear view, and FIG. Is a plan view, and FIG. 4 is a front view. As shown in the figure, a main body 10 is formed by joining a front panel 11 and a rear panel 12 which are bulged and formed, a handle 13 for transportation is provided on the upper surface, and a suction pump 15 and a predetermined control circuit are provided in the main body 10. Contains controller, emergency battery, etc.

  A liquid collection bag 20 for connecting one connection port to the suction catheter is attached to the front surface of the front panel 11, and a pair of attachment holes 21 along the upper side of the liquid collection bag 20 are projected at the upper front portion of the front panel 11. The liquid collecting bag 20 is detachable through the pair of hooks 16. On the upper surface of the front panel 11 is formed an operation panel 19 provided with an operation touch button, a liquid crystal display unit indicating the operation state, and the like. The other connection port 20 and the positive pressure prevention valve 25 are connected by a tube 26.

  A recess 28 that reaches the upper surface with a sufficient depth is formed in the left half of the rear panel 12, and the cushion bottle 30 is accommodated in the lower half space of the recess 28 by being held by a clamp 31. The positive pressure prevention valve 25 and the cushion bottle 30 are connected by a tube 29, and the tube 29 depending from the positive pressure prevention valve 25 is accommodated in the upper half space of the recess 28.

  A recess 34 having a sufficient depth is formed in the lower half of the right half of the rear panel 12, and a connection port 35 communicating with the suction port of the suction pump 15 is formed on the bottom surface of the recess 34. A sterilization filter 36 is attached to the connection port 35, and the cushion bottle 30 and the sterilization filter 36 are connected by a tube 32. The tube 32 is embedded in a curved concave groove 33 communicating with the concave portion 28 and the concave portion 34, and is locked so as not to be detached (see FIG. 8).

  An electromagnetic valve 40 for adjusting the suction pressure and a storage chamber 42 for a pressure sensor 41 connected to the electromagnetic valve 40 are formed at a position above the right half of the rear panel 12. The electromagnetic valve 40 is communicated with the tube 29 by a tube 44. ing. A removable cover 43 that covers the storage chamber 42 is provided, and the solenoid valve 40 and the pressure sensor 41 can be removed by removing the cover 43 as shown in FIG.

FIG. 6 shows the upper part of the front panel 11. In the figure, a horizontal groove 17 is provided that allows a pair of hooks 16 inserted through the mounting holes 21 of the liquid collection bag 20 to slide. Each hook 16 is slidable in a stepless manner with respect to the horizontal groove 17 and unlocked by the rotation of the knob 18 so that each hook 16 can independently set its lateral position. Therefore, the interval between the hooks 16 can be freely set according to the interval between the attachment holes 21 of the liquid collection bag 20, and the liquid collection bag 20 with various attachment intervals can be used.

FIG. 7 shows the entire airway circuit of the electric low-pressure continuous suction device. As shown in the figure, from the upstream side of the airway circuit, the liquid collection bag 20, the positive pressure prevention valve 25, the cushion bottle 30, and the sterilization filter 36 are connected in this order, and all these members including the piping tubes are exposed. These members are attached to the main body 10, and these members can be detached from the main body 10 , and these members can be disassembled. The sterilization filter 36 is located on the most downstream side of the airway circuit, and contamination of the suction pump in the main body 10 is prevented.

  FIG. 8 is a perspective view showing a state before the liquid collection bag 20 is attached. As shown in the figure, the cushion bottle 30, the sterilizing filter 36, and the piping tubes are accommodated and held in the recess 28, the groove 33, and the recess 34, and the rear panel 12 has no disturbing protrusion and is exposed. Therefore, these circuit members can be directly accessed.

  The application example of the present invention in the electric low-pressure continuous suction device has been described above, but the present invention can be applied to other medical motorized suction devices having the same configuration.

Side view of an embodiment of the present invention Rear view. Plan view. Front view. Explanatory drawing which shows the back upper part of the state which removed the cover. Explanatory drawing which shows a front upper part. Explanatory drawing which shows the whole airway circuit. The perspective view of the state before attaching a liquid collection back | bag.

DESCRIPTION OF SYMBOLS 10 Main body 15 Suction pump 16 Hook 17 Groove 20 Liquid collection bag 21 Mounting hole 28, 33, 34 Recessed part 30 Cushion bottle 35 Connection port 40 Solenoid valve 41 Pressure sensor 42 Storage chamber 43 Cover

Claims (3)

A liquid collection bag 20 for storing the drained liquid sucked by the operation of the suction pump 15 from the body cavity of the patient, and a cushion bottle 30 for the overflow reservoir downstream thereof are formed, and an airway circuit for piping these to the suction pump 15 is formed. In the medical electric aspirator for detachably attaching the liquid collection bag 20 to the main body 10,
A connection port 35 communicating with the suction port of the suction pump 15 housed in the main body 10 is formed in the main body 10, and positive pressure is sequentially applied from the liquid collection bag 20 which is a member located upstream of the airway circuit connected to the connection port 35. The prevention valve 25, the cushion bottle 30, the sterilization filter 36 and their piping tubes are attached to the main body 10 in an exposed state, and these members can be detached from the main body 10 and these members can be disassembled.
Recesses 28, 33 and 34 are formed in the main body 10, and the cushion bottle 30, the sterilization filter 36 and their piping tubes are housed and held in the recesses 28, 33 and 34, and the medical electric suction device . The main body 10 is provided with a storage chamber 42 for the electromagnetic valve 40 and the pressure sensor 41 for regulating the suction pressure, and a removable cover 43 for covering the storage chamber 42 is provided, so that the electromagnetic valve 40 and the pressure sensor 41 can be removed. The medical electric aspirator according to claim 1. A pair of hooks 16 inserted into a pair of mounting holes 21 along the upper side of the liquid collection bag 20 are projected on the front surface of the main body 10 so that each hook 16 can be slid in a stepless manner with respect to the horizontal groove 17. The medical electric aspirator according to claim 1 or 2.

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