JP2016087079A - Medical suction appliance - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a medical suction appliance which is easy to use at home as home medical care is promoted.SOLUTION: A medical suction appliance has a body A, a filter member, and a bottle member C. The body has a suction port 15 which is placed on a side surface and is connected to a suction pump 13 and a guide part formed at a part corresponding to the suction port. The filter member comprises a filter holding body and a support body 22 supporting the filter holding body. The filter holding body has a holding body suction port, and a holding body exhaust port. In the support body, a connection member 25 connecting a holding part, the filter holding part, and the suction port is arranged. The bottle member comprises a bottle body 31 housing an object to be sucked and a lid body 32, at a prescribed position of a lid body, an attachment part of a patient hose is formed and a connection port connected to the holding body suction port is formed, the filter member is moved along the guide part to connect the connection member to the suction port, and the connection port formed in the lid body of the bottle member is connected to the holding body suction port.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a medical aspirator for aspirating a patient's body fluid and secretions, and more particularly to a medical aspirator that can be used for home medical care.

  In medical institutions such as hospitals and clinics, various medical suction devices are installed in operating rooms and hospital rooms. For example, a medical suction device provided in an operating room is configured to be able to coagulate by sucking bodily fluids including blood generated during surgery and physiological saline used for cleaning affected areas. Moreover, the medical suction device provided in the hospital room is configured so that the patient's secretions including sputum can be sucked and coagulated.

  A medical aspirator used in a medical institution is held in an airtight state by covering a lid, and a bottle for storing a sucked body fluid or secretion, and a bottle for detachably attaching and holding the bottle In general, a holding body is included. And while applying a suction pressure to the inside of a bottle and applying the patient hose attached to the cover body to an affected part, it is comprised so that a bodily fluid and secretions can be attracted | sucked and accommodated in a bottle. In such a medical suction device, a storage bag is provided inside the bottle, and the body fluid and secretions sucked through the patient hose are stored in the storage bag, solidified, and discarded together with the solidified storage bag. Generally, it is configured to be disposed of.

  In addition, in medical institutions, suction pipes that apply suction pressure to each operating room or hospital room are installed. By connecting this suction pipe and a medical suction device with a connection hose, the inside of the bottle and A suction pressure can be applied to the patient hose through the bottle. When connecting a patient hose and a suction pipe through a bottle, it is important to maintain airtightness at the connection site.

  For this reason, the bottle holder is used as a relay member for suction pressure, the bottle holder and the suction pipe are connected by a hose, and the bottle holder and the bottle are connected by a connection hose. Hose insertion nipples are fitted to both ends of the connection hose, and the nipples are inserted and connected to the relay portion of the bottle holder and the lid of the bottle. By connecting in this way, the suction pipe and the bottle are connected, and the suction pressure acts on the patient hose via the bottle.

  When the body fluid or secretion is quantitatively stored in the bottle or the storage bag, or when the medical treatment for the purpose such as surgery is completed and the bottle or the storage bag is replaced or cleaned, the connecting hose is removed from the lid. Alternatively, attaching to the lid is performed.

  With the advancement of home medical care, development of a medical suction device that can be used safely and easily at home is required. That is, in the medical suction device used in the medical institution, there is no problem because the person who is familiar with the handling of the medical suction device performs the work of exchanging and cleaning the bottle. However, when used for home medical care, it is necessary that a person with low proficiency can easily and reliably perform the operation.

  An object of the present invention is to provide a medical suction device that can be easily used at home.

  In order to solve the above-described problems, a medical suction device according to the present invention is configured to have a main body with a built-in suction pump, a filter member configured to be removable from the main body, and to be removable from the main body via the filter member. The main body is formed on a side surface and connected to the suction pump, and is formed in a portion corresponding to the suction port, and the filter member is attached to and detached from the suction port. And the filter member includes a filter holder that holds the filter and a support that removably supports the filter holder, and the filter holder is held by the filter member. The filter has a holding body suction port and a holding body exhaust port that can be ventilated on both sides in the thickness direction of the filter, and the support body is formed with a holding portion for holding the filter holding body at the upper part. A connecting member for connecting the filter holder and the suction port arranged on the side surface of the main body is arranged at the lower part of the holding portion, and when the filter holder is supported by the holding portion, the holding body exhaust port of the filter holder is The bottle member is configured to be fitted to a connection member, and the bottle member includes a bottle body that stores the sucked suction material and a lid body that covers the bottle body, and the lid body is a patient at a predetermined position on the upper surface. An attachment portion for attaching a hose is formed, and a connection port connected to a holding body suction port of a filter holding body constituting the filter member is formed at a predetermined position on an upper surface or a side surface. The filter member connecting member is moved to a suction port disposed on the side surface of the main body, and the connecting port formed on the lid of the bottle member is moved forward. It is characterized in that connected to the holding body suction port of the filter member.

  In the medical suction device, the holder suction port provided in the filter holder constituting the filter member and the connection port provided in the lid constituting the bottle member are connected by an elastic connection tube. The connection tube has one end fitted into the holding body suction port or the connection port, and the other end has a guide having an inner diameter larger than the outer diameter of the connection port or the holding body suction port. Preferably, it is formed as a part and formed between the guide part and one end part so as to be fitted into the connection port or the holding body suction port.

  The medical aspirator according to the present invention (hereinafter simply referred to as “aspirator”) is safe and easy to use even if a person with low proficiency in operation is used when a patient's tongue is aspirated at home. be able to. Since the suction pump is built in the main body of the suction device, it can be reduced in size and can be easily transported. Further, by using a commercial power source or a battery power source, it can be used even in a general household.

  A suction port is arranged on the side of the main body, and a guide part that guides the movement of the filter member is provided at a position corresponding to the suction port, so that the suction can be performed by moving the filter member along the guide member. Can be attached to or removed from the mouth. Further, the bottle member can be attached to the main body via the filter member by connecting the connection port formed on the lid of the bottle member to the filter member attached to the suction port of the main body to the holding body suction port of the filter member. it can.

  Because the holding body suction port provided in the filter holder of the filter member and the connection port provided in the lid of the bottle member are connected by a connection tube having one end fitted to the holding body suction port or the connection port. The bottle member can be easily attached to and detached from the filter member.

  The connection tube is formed as a guide portion whose other end portion has an inner diameter larger than the outer diameter of the connection port or holding body suction port, and between the guide portion and one end portion, the connection port or holding body suction port It is formed so that it can be fitted in. For this reason, when attaching a bottle member to a filter member, since a guide part is larger than the outer diameter of the other party, a connection tube can be reliably guided to the other party. In addition, since the connection tube has elasticity, this fitting state can be maintained when the connecting tube is fitted to the other side.

It is a front view explaining the assembly state of the suction device which concerns on a present Example. It is a figure explaining the internal structure of the main body seen from the back surface side of the suction device. It is a side view of a main body. It is an expanded view explaining the structure of a filter member. It is a figure explaining the structure of a bottle body. It is an expanded view of a suction device.

  Hereinafter, the configuration of the aspirator according to the present invention will be described. The suction device according to the present invention is miniaturized so that it can be used at home to promote home medical care, and can be easily moved to a desired place of use. . And when operating a suction device, it implement | achieved that it can utilize safely and reliably, without requiring high proficiency.

  The aspirator according to the present embodiment will be described with reference to FIGS. The aspirator according to the present embodiment includes a main body A with a built-in suction pump 13, a filter member B configured to be detachable from the main body A, a detachable structure to the filter member B, and the filter member B via the filter member B. And a bottle member C that accommodates a patient's secretion (hereinafter referred to as “aspiration” including body fluid and secretion) under the action of suction pressure.

  The main body A has a structure that is entirely closed by the bottom plate 11 and the cover 12. The bottom plate 11 is formed with an end portion protruding from the cover 12, and the protruding portion is formed as a placement portion 11 a on which the bottle member C is placed. A suction pump 13 is disposed in an internal space closed by the cover 12 of the bottom plate 11, a suction hose 13a is connected to the suction side of the suction pump 13, and an exhaust hose 13b is connected to the exhaust side. ing.

  The suction hose 13 a is connected to a suction port 15 disposed on the side wall 12 a serving as a side surface of the cover 12 via a pressure regulator 14 disposed on the upper surface 12 b of the cover 12. Connected to member B. The exhaust hose 13b is connected to an exhaust filter 16 disposed on the bottom plate 11, and is configured to be able to release air sucked by the suction pump 13 into the atmosphere via the exhaust filter 16.

  The configuration of the suction pump 13 is not particularly limited. In this embodiment, a suction pump driven by a variable speed motor is employed. Then, the suction flow rate is set to a substantially constant flow rate corresponding to the set rotation speed by appropriately setting the rotation speed of the suction pump.

  The pressure adjuster 14 adjusts the suction pressure acting on the bottle member C through the suction port 15, and the knob 14 a exposed on the upper surface 12 b of the cover 12 is operated to adjust to the optimum suction pressure. Is possible. In particular, since the suction flow rate by the suction pump 13 is substantially constant, it is possible to adjust only the suction pressure.

  The position of the suction port 15 arranged on the side wall 12a of the cover 12 is not particularly limited, but is preferably set in accordance with the dimensions of the filter member B and the bottle member C.

  The side wall 12a corresponding to the placement portion 11a of the bottom plate 11 that is an end portion of the cover 12 is formed in a shape corresponding to the outer diameter shape of the bottle member C to be placed. In this embodiment, since the bottle member C has a cylindrical bottle body, the side wall 12a is formed in an arc shape in plan view.

  A guide portion 18 for guiding the movement when the filter member B is attached to or removed from the suction port 15 is provided at a portion corresponding to the suction port 15 in the side wall 12a. The guide portion 18 is configured as a recess formed in the side wall 12 a of the cover 12. In other words, curved guide surfaces 18a are formed on both sides of the suction port 15 arranged on the side wall 12a with the width direction as the center, and a groove 18b is formed between the guide surfaces 18a. Moreover, the edge part on the opposite side to the groove | channel 18b of each guide surface 18a is connected to the standing wall 18c. Therefore, the width dimension of the guide portion 18 is defined by the interval between the standing upright walls 18c.

  Each guide surface 18 a, groove 18 b, and standing wall 18 c constituting the guide portion 18 are formed in parallel to the central axis of the suction port 15. Therefore, the filter member B is configured to be able to approach or separate from the suction port 15 by linearly moving the filter member B along the guide surface 18a.

  A support plate 17 is formed integrally with the side wall 12a of the cover 12 above the groove 18b constituting the guide portion 18, and a hole 17a is formed in the support plate 17. The support plate 17 has a function of contacting and supporting the lid constituting the bottle member C when the bottle member C is placed on the placement portion 11 a of the bottom plate 11.

  A switch (not shown) for controlling ON / OFF of the suction pump 13 is provided on the upper surface 12 b of the cover 12.

  A winding member 19 for winding the patient hose 20 is provided on the side surface 12 c of the cover 12. The winding member 19 includes a winding portion 19a formed so as to protrude from the side surface 12c of the cover 12, and a flange portion 19b formed at an end portion of the winding portion 19a. In addition, holding grooves 19c and 19d for holding the patient hose 20 are formed in the flange portion 19b.

  The dimension of the winding part 19a is not specifically limited, It is preferable to have a dimension corresponding to the length of the patient hose 20 assumed in advance for home medical care. Then, after winding the patient hose 20 having an appropriate rigidity, the free end of the patient hose 20 is inserted into the holding groove 19c or the holding groove 19d formed in the flange portion 19b, so that a stable winding state is obtained. It is possible to hold.

  The flange portion 19b of the winding member 19 also has a function as a handle that is gripped by hand when moving the suction device when the patient hose 20 is not wound.

  The filter member B includes a filter holder 21 and a support 22 that detachably supports the filter holder 21. The filter member B is disposed between the bottle member C and the suction pump 13 disposed in the main body A, and has a function of cleaning air flowing from the bottle member C toward the suction pump 13. The filter member B also has a function of preventing the suctioned material from flowing toward the suction pump 13 when the excessive suctioned material flows in the bottle member C.

  The filter holder 21 includes a sheet-like filter 23 formed in a rectangular shape, and an upper body 21a and a lower body 21b that sandwich the filter 23 in the thickness direction. The filter holder 21 has such a shape that the function of the filter 23 can be most efficiently exhibited according to the structure of the main body A and the shape of the bottle member C. Further, since the filter 23 is formed in a rectangular shape, the bottom surface where the upper body 21 a and the lower body 21 b face each other is formed in a rectangular shape that is suitable for sandwiching the filter 23.

  The upper body 21a and the lower body 21b are formed in a quadrangular pyramid shape whose bottom faces are opposite to each other, and the tip portions of the respective quadrangular pyramids serve as a hose-fitting holding body suction port 21a1 and a holding body exhaust port 21b1. Is formed. Then, by sandwiching the filter 23 with the bottom surfaces of the upper body 21a and the lower body 21b facing each other and sealing in this state, a rectangular holding part 21c and a filter holding body 21 are formed. Accordingly, the filter holder 21 is formed so that the holder suction port 21a1 through the holder exhaust port 21b1 can be vented through the filter.

  The support body 22 removably supports the filter holding body 21, and a holding portion 24 that receives and holds the lower body 21 b of the filter holding body 21 is formed, and a connecting member 25 is formed below the holding portion 24. Is arranged. On the lower surface of the support 22, there are two guided surfaces 22 a that are guided in contact with the guide surface 18 a of the guide portion 18 provided in the main body A, and a groove 18 b that is formed between these guided surfaces 22 a. A projection 22b to be fitted is formed. Further, the distance between the two side surfaces 22c of the support 22 is formed to be slightly smaller than the distance between the standing walls 18c of the guide portion 18.

  A hole (not shown) is formed in the lower portion of the holding portion 24 of the support 22, and the connection member 25 is fitted and held in the hole. The connection member 25 is formed in an elbow shape having connection ports 25a and 25b of, for example, silicon rubber having flexibility and elasticity. Further, a pair of clamping flanges 25 c are formed at predetermined positions on the outer peripheral portion of the connection member 25. Then, the connection member 25 can be attached to the support 22 by inserting the connection port 25a into the hole of the holding part 24 so as to be inserted into the holding part 24 and holding the hole by the holding flange 25c. is there.

  When the connecting member 25 is attached to the support body 22, the connection port 25 a is disposed inside the holding portion 24 and opens toward the open portion of the holding portion 24, and the connection port 25 b projects to the lower portion of the support body 22. It opens at a right angle to the connection port 25 a and in a direction parallel to the guided surface 22 a of the support 22. And the holding body exhaust port 21b1 of the filter holding body 21 hold | maintained at the holding part 24 is inserted and connected to the connection port 25a. Further, when the filter member B is mounted on the main body A, the connection port 25b is inserted and connected to the suction port 15 disposed on the side wall 12a of the cover 12 constituting the main body A.

  The connection ports 25a and 25b have the inner diameters of the opening portions of the connection ports 25a and 25b of the holder exhaust port 21b1 and the suction port 15 so that the holder exhaust port 21b1 and the suction port 15 can be easily inserted. It is formed larger than the outer diameter. In addition, the portions that are continuous with the opening portions of the connection ports 25a and 25b are provided outside the holding body exhaust port 21b1 and the suction port 15 so that the inserted state of the holding body exhaust port 21b1 and the suction port 15 can be maintained. It has an inner diameter substantially equal to the diameter.

  In the connection member 25 configured as described above, since the connection member 25 has flexibility and elasticity, when the holding body exhaust port 21b1 and the suction port 15 are inserted into the connection ports 25a and 25b, these connection members 25 are inserted. It is possible to reliably maintain the state.

  Further, when the filter member B is guided by the guide portion 18 provided in the main body A and the connection port 25 b of the connection member 25 is inserted into the suction port 15, a part of the support 22 protrudes from the guide portion 18. It is preferable. By forming the filter member B in such a size, the work when the filter member B is mounted on the main body A, particularly the work when the filter member B mounted on the main body A is detached is easily performed. It becomes possible.

  The bottle member C is configured so that the suction pressure generated by the suction pump 13 acts on the bottle member C and can accommodate the suctioned material sucked from the patient. For this reason, the bottle member C is configured to include a bottle body 31 that houses the suctioned material, and a lid body 32 that covers the bottle body 31 and keeps it airtight and closes.

  The bottle body 31 is configured as a cylindrical transparent container, and is configured so that the amount, color, and the like of the sucked material accommodated therein can be confirmed from the outside. In particular, a memory (not shown) is formed on the side surface of the bottle body 31 so that the amount of aspirated material accommodated by the memory can be confirmed.

  In the aspirator used for home medical care, the aspirated material accommodated in the bottle member C is not subjected to coagulation treatment, but is disposed in the flush toilet while being accommodated in the bottle body 31. This is because when the aspirated material is coagulated, the solidified aspirated material becomes medical waste, which requires special disposal and cannot be disposed at home.

  For this reason, the bottle body 31 is configured as a transparent container having sufficient rigidity such as glass and hard plastic, and an attachment portion 31a for attaching the lid body 32 in an airtight manner is formed at the upper end portion. Has been. The attachment portion 31a may have a structure that allows easy operation when attaching the lid body 32 and prevents the attached lid body 32 from being easily detached.

  As such a structure, protrusions that mesh with each other may be provided on the outer peripheral surface of the upper end portion of the bottle body 31 and the inner peripheral surface of the lower end portion of the lid body 32. In this case, the projections can be engaged with each other by turning the lid 32 on the bottle body 31 and rotating it. Further, the packing 32a disposed on the inner surface of the lid 32 and facing the upper end surface 31b of the bottle body 31 is pressed against the upper end surface 31b, so that airtightness can be maintained.

  The lid 32 has an attachment portion 33 for attaching the patient hose 20 at a predetermined position on the upper surface, and is connected to the holding body suction port 21a1 of the filter holding body 21 constituting the filter member B at a predetermined position on the side surface. A portion 34 is formed.

  The attachment portion 33 is configured to penetrate through the lid body 32 in the thickness direction, and an insertion port 33a formed in a hose insertion shape for projecting the patient hose 20 protrudes from the upper surface of the lid body 32. Has been. Further, a nozzle 33b is projected from the lower surface of the lid 32, and is configured to be sucked from the patient via the patient hose 20 by the suction pressure acting on the bottle member C by the nozzle 33b.

  The connecting portion 34 is configured to penetrate from the lower surface side to the side surface of the lid body 32, and a projection 32 b having a vent hole formed therein is formed on the side surface of the lid body 32. A connection plug 34a formed in a letter shape is detachably mounted. The connection plug 34a serves as a connection port provided in the lid 32. The connection plug 34 has a connection tube 35 into which the holding body suction port 21a1 formed in the filter holding body 21 of the filter member B is inserted. It is attached.

  Further, a bottomed cylindrical body 34 b that constitutes the connecting portion 34 protrudes from the lower surface of the lid 32. A plurality of openings 34c are formed in the side surface of the bottomed cylindrical body 34b, and the float 34d is accommodated therein so as to be movable along the axial direction of the bottomed cylindrical body 34b.

  The float 34d rises as the liquid level rises after the liquid level rises and reaches the bottomed cylindrical body 34b with an increase in the amount of the suctioned matter accommodated in the bottle body 31. And when the float 34d reaches | attains the uppermost part of the bottomed cylinder 34b, it is comprised so that the connection part 34 may be interrupted | blocked and a suction material may prevent flowing into the filter member B. FIG.

  The connection tube 35 attached to the connection plug 34a is formed of, for example, silicon rubber having flexibility and elasticity. One end (upper end in FIG. 6) of the connection tube 35 is fitted into a connection plug 34a that is a connection port of the lid 32, and the other end 35b is connected to the filter member B. The holding body suction port 21a1 can be inserted and connected.

  The end portion 35b of the connection tube 35 is formed as a guide portion 35b1 in which the inner diameter of the opening portion is larger than the outer diameter of the holder suction port 21a1 so that the holder suction port 21a1 of the filter member B can be easily inserted. . And the part which followed the guide part 35b1 is formed as the fitting part 35b2, and an internal diameter is substantially equal to the outer diameter of the holding body suction port 21a1, and it can hold | maintain the inserted holding body suction port 21a1 reliably. It is configured.

  A procedure for constituting a suction device by the main body A, the filter member B, and the bottle member C configured as described above or for detaching from the suction device will be briefly described.

  The connecting member 25 is attached to the support body 22 of the filter member B, and the holding body exhaust port 21b1 of the lower body 21 is connected to the connecting member 25 while the lower body 21b of the filter holding body 21 is mounted with the holding portion 24 of the support body 22. The filter member B is configured by being inserted into the opening 25a. This operation is a simple operation and does not require a high level of proficiency.

  Next, the guided surface 22a formed on the lower surface of the support 22 of the filter member B is placed on the guide surface 18a of the guide portion 18 formed in the main body A, and the filter member B is pushed in and moved along the guide surface 18a. . Along with this movement, the connection port 25b of the connection member 25 approaches the suction port 15 disposed on the side wall 12a of the cover 12, and the suction port 15 is inserted into the connection port 25b. Will be connected. This operation is an operation of pushing the filter member B along the guide portion 18 and does not require a high level of proficiency. Further, when the filter member B is detached from the main body A, the portion protruding from the guide portion 18 of the filter member B may be grasped and pulled out. Therefore, this operation is extremely easy and does not require a high level of proficiency.

  When the filter member B is mounted on the main body A as described above, the holder suction port 21a1 of the filter member B is along the guide portion 18 on the inner side of the side wall 12a of the cover 12, and below the support plate 17. Located in.

  Next, the bottle body 31 is covered with the lid body 32 to constitute the bottle member C, and the end portion 35b of the connection tube 35 that is disposed so as to protrude from the lid body 32 is located above the support plate 17 provided in the main body A Positioned and lowered. In this process, the end portion 35b of the connection tube 35 approaches the holding body suction port 21a1 of the filter member B, and the holding body suction port 21a1 is guided by the guide portion 35a1 of the end portion 35a and inserted into the fitting portion 35a2. . Thereby, the bottle member C is connected to the suction pump 13 via the filter member B. This operation is also an operation of simply lowering the bottle member C, and does not require a high level of proficiency. Further, when the bottle member C is detached from the filter member B, the bottle member C may be grasped and raised. Therefore, this operation is extremely easy and does not require a high level of proficiency.

  By inserting the patient hose 20 into the insertion port 33a provided in the lid 32 of the suction device assembled as described above, and operating the switch provided on the upper surface 12b of the cover 12, the suction pump 13 is driven. A suction pressure can be applied to the inside of the bottle member C. In addition, the suction pressure can be adjusted to a desired pressure by operating the knob 14a.

  Since the suction pump 13 according to the present invention has the suction pump 13 built in the main body A, it can be used as a simple movable suction device regardless of home medical care.

A body B filter member C bottle member 11 bottom plate 11a mounting portion 12 cover 12a side wall 12b upper surface 12c side surface 13 suction pump 13a suction hose 13b exhaust hose 14 pressure regulator 14a knob 15 suction port 16 exhaust filter 17 support plate 17a hole 18 guide Part 18a Guide surface 18b Groove 18c Standing wall 19 Winding member 19a Winding part 19b Flange part 19c, 19d Holding groove 20 Patient hose 21 Filter holder 21a Upper body 21a1 Holding body suction port 21b Lower body 21b1 Holding body exhaust port 21c Clamping part 22 Support 22a Guided surface 22b Protruding part 22c Side 23 Filter 24 Holding part 25 Connection member 25a, 25b Connection port 25c Clamping flange 31 Bottle body 31a Mounting part 31b Upper end surface 32 Cover body 32a Pack Emissions 32b projection 33 mounting portion 33a insertion port 33b the nozzle 34 connecting section 34a connecting plugs 34b bottomed tubular body 34c opening 34d float 35 connected tube 35b ends 35b1 guide portion 35b2 HamaSobu

Claims (2)

A main body with a built-in suction pump, a filter member configured to be detachable from the main body, and a bottle member configured to be detachable from the main body via the filter member,
The main body includes a suction port disposed on a side surface and connected to the suction pump, and a guide portion that is formed in a portion corresponding to the suction port and guides movement when the filter member is attached to and detached from the suction port. Configured with
The filter member includes a filter holder that holds a filter and a support that removably supports the filter holder, and the filter holder sucks a holder that can be ventilated on both sides in the thickness direction of the held filter. The support has a holding part for holding the filter holding body at the upper part, and the suction part disposed on the side surface of the filter holding body and the main body at the lower part of the holding part. A connecting member for connecting the opening is arranged, and when the filter holding body is supported by the holding portion, the holding body exhaust port of the filter holding body is configured to be fitted to the connecting member,
The bottle member is composed of a bottle body for storing the sucked suction material and a lid body for covering the bottle body, and the lid body is formed with an attachment portion for attaching a patient hose at a predetermined position on the upper surface. Alternatively, a connection port connected to the holding body suction port of the filter holding body constituting the filter member is formed at a predetermined position on the side surface, and is configured.
The filter member is moved along a guide provided in the main body, the connection member of the filter member is connected to a suction port arranged on the side surface of the main body, and the connection port formed in the lid of the bottle member Is connected to the holder suction port of the filter member.   The holding body suction port provided in the filter holding body constituting the filter member and the connection port provided in the lid constituting the bottle member are connected by an elastic connection tube, An end portion is fitted into the holding body suction port or the connection port, and the other end portion is formed as a guide portion having an inner diameter larger than the outer diameter of the connection port or the holding body suction port, and the guide portion. The medical aspirator according to claim 1, wherein the medical suction device is formed so as to be fitted into the connection port or the holding body suction port between the first end portion and the one end portion.

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