JP4425002B2 - Endoscope light source device - Google Patents

Description

  The present invention relates to an endoscope light source device having a built-in air supply pump for sending out air to be supplied to an endoscope.

  In general, an endoscope light source device includes an air supply pump for supplying air for supplying air to the endoscope, and the atmosphere in the endoscope room is passed through the endoscope to the patient. Air can be supplied into the body cavity.

  However, because the air in the endoscope room is not always clean, if the endoscope is used during surgery, air in the endoscope room is sent directly into the body cavity of the patient, and bacteria in the air There is a risk of infectious diseases.

Therefore, conventionally, an air flow path between an air intake port for sucking air into the air supply pump and an air supply port for sending out air pressurized by the air supply pump to the outside of the apparatus is used to purify air. The air purification filter is provided so as to be detachable from the outside (for example, Patent Document 1).
JP-A-8-256971

  By providing an air purification filter in the air flow path of the air supply pump, the air sent to the endoscope can be cleaned, but if the filter is not replaced regularly, the filter function will be reduced. It becomes the original tree Amami.

  However, unlike when the light source lamp is out, the air purification filter is often not noticed, and even if it is clogged, it does not mean that endoscopy will not be possible at all, so you will notice clogging. May be used as is.

  Accordingly, an object of the present invention is to provide an endoscope light source device that prompts an operator to replace an air purification filter and can continuously and reliably purify air supplied through an endoscope. .

  In order to achieve the above object, an endoscope light source device of the present invention includes a light source lamp that emits illumination light to be supplied to an endoscope, and an air supply pump that sends out air to be supplied to the endoscope. And purifies the air in the air flow path between the air inlet for sucking the atmosphere into the air pump and the air inlet for sending the air pressurized by the air pump outside the device. In an endoscope light source device to which an air purifying filter is detachably attached, a lamp replacement door for exchanging the light source lamp is provided so as to be openable and closable from the outside, and the opening is opened and closed by the lamp replacement door An air purification filter is disposed on the surface.

  Note that the air purification filter unit incorporating the air purification filter is detachably attached to a filter unit support member disposed so as to be retractable outwardly at a position closing the opening inside the lamp replacement door. Also good.

  Further, when the air purification filter unit is attached to the filter unit support member, the rotation restricting member that restricts the outward rotation of the filter unit support member by contacting the air purification filter unit is an opening. The light source lamp may not be replaced unless the air purification filter unit is removed from the filter unit support member and the filter unit support member is rotated outward.

  According to the present invention, when it becomes necessary to replace the light source lamp, it is possible to continuously and reliably purify the air supplied through the endoscope by prompting the operator to replace the air purification filter at the same time.

  A light source lamp that emits illumination light to be supplied to the endoscope and an air supply pump that sends out air to be supplied to the endoscope are built in. In an endoscope light source device in which an air purification filter for purifying air is detachably attached to an air passage between an air supply port for sending air pressurized by an air pump out of the device A lamp replacement door for replacing the light source lamp is provided so as to be openable and closable from the outside, and an air purification filter is disposed in an opening that is opened and closed by the lamp replacement door.

Embodiments of the present invention will be described with reference to the drawings.
2 is a side view of the endoscope light source device, and FIG. 1 is a plan view. However, FIG. 1 shows each member arranged in the housing 0 by a solid line.

  The endoscope light source device includes a light source lamp 1 that emits illumination light to be supplied to the endoscope and an air supply pump 2 that sends out air to be supplied to the endoscope. In addition, illustration of the connector receptacle etc. to which the connector of an endoscope is connected is abbreviate | omitted.

  The light source lamp 1 is supported by a heat sink 3 for heat dissipation, and the light source lamp 1 can be attached to and detached from the heat sink 3 by loosening the bolt 4 attached to the side of the heat sink 3.

  An opening 5 is formed in the side wall portion of the housing 0 facing the head of the bolt 4 so that the light source lamp 1 can be exchanged by inserting a hand from the outside. The opening 5 is blocked by the replacement door 6.

  The lamp replacement door 6 is attached to the housing 0 so as to rotate around a hinge 7 provided on one end side, and a knob 8 attached to the other end side is rotated to turn the knob 8 into a knob 8. The connected stopper 9 can be rotated to fix the housing 0 and release it.

  In the opening 5 thus opened and closed by the lamp replacement door 6, a filter unit support door 10 (filter unit support member) is disposed so as to close the opening 5, and the filter unit support door 10 is The hinge 11 provided on one end side thereof is rotatable outwardly about the hinge 11 and the other end side is adsorbed and fixed by a magnetic force to a magnet 12 fixed to frames of the light source device.

  Reference numeral 16 denotes a cylindrical air purification filter unit including an air purification filter 17 for purifying the air sucked into the air feed pump 2, and a filter unit support arm 14 (filter unit) fixed to the filter unit support door 10. A support member is detachably attached from the outside.

  The filter unit support arm 14 is a pair of cantilevered arms configured to be able to elastically sandwich and fix the air purification filter unit 16 from the side as shown in FIG. 3, for example. The air purification filter unit 16 can be attached and detached freely by being elastically deformed.

  Returning to FIGS. 1 and 2, the connecting cylinder 18 projecting from the outlet side of the air purification filter unit 16 attached to the filter unit support arm 14 in this way extends from the air pump 2 and is arranged. The connection tube 20 is detachably inserted and connected to the receiving port 19, and the insertion portion is sealed by an O-ring (not shown).

  Therefore, when the air feed pump 2 is operated, the air sucked from the air inlet 21 of the air purification filter unit 16 is guided into the air purification filter unit 16 and passes through the air purification filter 17 in the air purification filter unit 16. After being purified by the above, the air pressurized by the air feed pump 2 passes through the connection tube 20 and is sent out from the air feed port 22 to a pipe line directed to an endoscope (not shown).

  FIG. 4 shows a state in which the lamp replacement door 6 is opened. Since the air purification filter unit 16 disposed in the opening 5 is exposed by opening the lamp replacement door 6, the filter replacement support is provided. It is possible to remove the air purification filter unit 16 from the arm 14 and pull out the receiving port 19 slightly outward, disconnect the connection cylinder 18 and the receiving port 19 and replace the air purification filter unit 16.

  In this state, since the opening 5 is blocked by the filter unit support door 10, the light source lamp 1 cannot be replaced. However, as shown in FIG. If the door 10 is also rotated outward, the opening 5 is opened, so that the light source lamp 1 can be replaced by loosening the bolt 4.

  In the endoscope light source device of the embodiment configured as described above, when the lamp replacement door 6 is opened when the light source lamp 1 is replaced, the air purification filter unit 16 appears first. The purification filter unit 16 can be replaced.

  FIG. 6 shows a second embodiment of the present invention. When the air purification filter unit 16 is attached to the filter unit support arm 14, the filter unit support door 10 is rotated outward. If it tries to do so, the rotation control board 30 which controls rotation of the filter unit support door 10 by contact | abutting to the air purification | cleaning filter unit 16 is additionally arrange | positioned in the opening part 5. FIG. Other configurations are the same as those of the first embodiment.

  Thus, the filter unit support door 10 cannot be rotated outward unless the air purification filter unit 16 is removed from the filter unit support arm 14 (therefore, the light source lamp 1 cannot be replaced). Therefore, in order to replace the light source lamp 1, it is necessary to remove the air purification filter unit 16 from the filter unit support arm 14, and the air purification filter unit 16 can be actively replaced.

  The present invention is not limited to the above embodiment. For example, in each of the above embodiments, the air inlet 21 of the air purification filter unit 16 is the air inlet 21 of the air feed pump 2. The filter unit 16 is disposed somewhere in the air flow path between the air inlet for sucking the atmosphere into the air pump 2 and the air outlet for sending the air pressurized by the air pump 2 out of the apparatus. It only has to be done.

It is a top view of the light source device for endoscopes of the 1st Example of the present invention. It is a side view of the light source device for endoscopes of the 1st Example of this invention. FIG. 3 is a cross-sectional view taken along the line III-III in FIG. 2 of the first embodiment of the present invention. It is a top view of the state which replaces | exchanges the air purification | cleaning filter unit of the light source device for endoscopes of the 1st Example of this invention. It is a top view of the state at the time of replacing | exchanging the light source lamp of the light source device for endoscopes of the 1st Example of this invention. It is a partial top view of the light source device for endoscopes of the 2nd Example of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Light source lamp 2 Air supply pump 3 Heat sink 5 Opening 6 Lamp replacement door 10 Filter unit support door (filter unit support member)
14 Filter unit support arm (filter unit support member)
16 Air Purification Filter Unit 17 Air Purification Filter 18 Connection Tube 19 Receiving Port 20 Connection Tube 21 Intake Port 22 Air Supply Port

Claims (3)

A light source lamp that emits illumination light to be supplied to the endoscope and an air supply pump that sends out air to be supplied to the endoscope, and an intake port for sucking air into the air supply pump For an endoscope in which an air purification filter for purifying air is detachably attached to an air flow path between the air and the air supply port for sending out the air pressurized by the air supply pump to the outside of the apparatus In the light source device,
An endoscope characterized in that a lamp replacement door for replacing the light source lamp is provided so as to be openable and closable from the outside, and the air purification filter is disposed in an opening opened and closed by the lamp replacement door. Light source device. An air purification filter unit incorporating the air purification filter is detachably attached to a filter unit support member that is slidably disposed outward at a position that closes the opening inside the lamp replacement door. The endoscope light source device according to claim 1. When the air purification filter unit is attached to the filter unit support member, a rotation restricting member that restricts the outward rotation of the filter unit support member by contacting the air purification filter unit. Provided in the opening, the light source lamp cannot be replaced unless the air purification filter unit is removed from the filter unit support member and the filter unit support member is rotated outward. The endoscope light source device according to claim 2.

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