JP7095217B2 - Medical aspirator - Google Patents

Description

The present invention relates to a medical aspirator for sucking a patient's body fluids and secretions, and particularly to a medical aspirator which is advantageous when attached to a vertical surface including a wall surface of a hospital room or a support stand. Is.

In medical institutions such as hospitals and clinics, various medical aspirators are installed in operating rooms and hospital rooms. For example, a medical aspirator provided in an operating room is configured to be able to suck and coagulate a body fluid containing blood generated during surgery, a physiological saline solution used for washing an affected area, and the like. In addition, the medical aspirator provided in the hospital room is configured to be able to suck and coagulate the patient's secretions including tan.

The medical aspirator used in medical institutions is kept in an airtight state by covering the lid, and the bottle with a storage bag for storing the sucked body fluids and secretions and the bottle can be attached and detached. It is generally configured with a bottle holder to be attached and held. Then, by applying suction pressure to the inside of the bottle and applying a suction tube attached to the lid to the affected area, body fluids and secretions are sucked and stored in the storage bag for coagulation processing, and the solidified storage bag is used. Generally, it is configured so that it can be disposed of.

In the medical aspirator configured as described above, when the storage bag is stored in the bottle or when the stored storage bag is taken out, it is necessary to separate the lid and open the bottle. At this time, it is generally configured to open the bottle by rotating the lid without moving the bottle side (see, for example, Patent Document 1).

Japanese Patent No. 4638347

When a medical aspirator configured to open the bottle by rotating the lid without moving the bottle side was attached to a vertical surface such as a wall surface of a hospital room or a support stand, the lid was removed. The bottle will be parallel to the wall surface and the opening will be located near the wall surface. Therefore, there is a possibility that it is difficult to store the storage bag in the bottle and to take out the storage bag.

An object of the present invention is to provide a medical aspirator that can easily store and remove a storage bag for a bottle even when it is attached to a vertical surface such as a wall surface or a support stand.

In order to solve the above problems, the medical aspirator according to the present invention is a medical aspirator mounted on a wall surface or a vertical surface including a support stand, and a pressure adjusting mechanism is arranged inside and a predetermined position is provided. A mounting member on which the mounting piece is arranged, a lid having a passage on which the pressure adjusted by the mounting member acts, and a bottle fixing claw, and a rotation shaft hung from the lid and arranged on the lower end side. Along with the hanging piece to which the bending link piece is connected to the upper part of the rotating shaft, and the lower end side is rotatably supported by the rotating shaft provided on the hanging piece and the bending link piece is above the rotating shaft. A bottle that contains a body that is connected to the bottle and has a fitting hole formed in a predetermined position, and a storage bag that stores body fluids and secretions sucked from the patient, and the upper end is opened. It has a bottle having a support protrusion formed by fitting into a fitting hole formed in the bottle support of the main body at a predetermined position and being supported, and the support protrusion formed in the bottle is a bottle of the main body. The bottle support is fitted and supported in a fitting hole formed in the support, and the bottle support is rotated about a rotation axis so that the bottle fixing claw of the lid is part of the upper edge of the bottle. It is configured to be engaged and attached to the main body.

In the medical aspirator, it is preferable that the main body is detachably configured with respect to the mounting member.

Further, in any of the above medical aspirators, the fitting hole formed in the bottle support of the main body is rotatably supported by a rotation shaft arranged at the upper end of the fitting hole. The rotating piece is arranged so that when the support protrusion formed on the bottle is fitted into the fitting hole, the lower end of the rotating piece comes into contact with the support protrusion. preferable.

In the medical aspirator according to the present invention (hereinafter, simply referred to as "aspirator"), the bottle support that supports the bottle is rotatably supported by a rotation shaft whose lower end side is arranged on the lower end side of the hanging piece of the main body. At the same time, the upper part is connected via a refraction link piece arranged on the upper part of the rotation shaft. Therefore, when the main body is attached to the mounting member and the mounting piece of the mounting member is mounted on the wall surface or the vertical surface including the support stand (hereinafter, simply referred to as “wall surface”), the bottle support has the lower end side. It can rotate as a center.

Then, as the bottle support rotates, the bottle supported by the bottle support can be in an inclined posture in which the upper open portion is separated from the wall surface. Therefore, the work of storing or taking out the storage bag for the bottle is not the work in the vertical direction along the wall surface, but the work from diagonally above the wall surface. As a result, the work space can be widened and workability can be improved.

The bottle containing the storage bag can be attached to the bottle support and rotated to engage the bottle fixing claw provided on the lid with a part of the upper edge of the bottle to fix the bottle. At this time, the pressure (negative pressure) adjusted by the pressure adjusting mechanism arranged in the mounting member via the passage formed in the lid acts on the bottle. Therefore, the patient's body fluids and secretions can be sucked and stored in the storage bag.

Further, a rotating piece is provided at the upper end of the fitting hole formed in the bottle support so that the lower end of the rotating piece abuts on the support protrusion when the support protrusion of the bottle is fitted in the fitting hole. Since it is configured, it is possible to maintain a stable posture when the bottle is supported by the bottle support.

It is a side view of the aspirator which concerns on this Example. It is a front view and a plan view of FIG. 1. It is a figure explaining the cross-sectional structure of an aspirator. It is a figure explaining the main part of the back of an aspirator, It is a figure explaining the state when the bottle support which supported a bottle is tilted. It is a figure explaining the state at the time of attaching or removing a bottle to a bottle support.

Hereinafter, the configuration of the suction device according to the present invention will be described. The suction device according to the present invention can easily attach or remove the storage bag to the bottle, or attach or remove the bottle to the main body in a state of being attached to a vertical surface such as a wall surface or a support stand. It is something like that.

The aspirator according to this embodiment will be described with reference to FIGS. 1 to 6. The suction device is configured to have a pressure adjusting mechanism inside, a mounting member A in which a mounting piece is arranged at a predetermined position, a main body B integrally configured with the mounting member A, and a detachable body B. It is configured to have a bottle C and the like.

The mounting member A and the main body B may be integrated in a used state, and may be configured in one case or as separate bodies from each other. In this embodiment, the mounting member A and the main body B are configured as separate bodies so that they can be attached to and detached from each other. Therefore, when the mounting member A and the main body B are mounted, they are integrated.

The mounting member A has a case 1, and the pressure adjusting mechanism 2 shown in FIG. 3 is configured inside the case 1. This pressure adjusting mechanism 2 adjusts the negative pressure acting through the supply hose 3 arranged on the side surface of the case 1 to a negative pressure having an appropriate size for a bottle described later, and is generally used. It is configured in the same manner as the pressure adjusting mechanism used when adjusting the negative pressure to a desired pressure.

A knob 4 is arranged on the front side of the case 1 (left side of FIG. 1, the same applies hereinafter), and the size of the negative pressure can be adjusted by rotating the knob 4. Further, a passage 5 is formed on the output side of the pressure adjusting mechanism 2, and the adjusted negative pressure is configured to be able to act on the lid 10 of the main body B described later via the passage 5. There is.

On the back side of the case 1 (right side of FIG. 1, the same applies hereinafter), a mounting piece 6 for mounting on a wall surface (not shown) is arranged. The structure and shape of the mounting piece 6 are not limited, and have a structure and a shape corresponding to the structure and shape of the mounting portion of the suction device formed on the wall surface. In this embodiment, since the mounting portion formed on the wall surface is formed in a C-shaped groove shape, the mounting piece 6 has a fitting piece 6a that fits into this groove. However, the shape is not limited to this, and it may be simply fixed to the wall surface with screws.

The main body B is detachably configured on the lower side surface of the mounting member A. The attachment / detachment structure of the main body B to the attachment member A is not limited, and there are attachment / detachment structures by engaging "with" and "with grooves", attachment / detachment structures using hooks, and the like. In this embodiment, it is configured so that it can be attached and detached by engaging with a groove.

The main body B can be detachably attached to the bottle C, and when the bottle C is attached, the main body B maintains airtightness with the bottle C and exerts a negative pressure adjusted by the attachment member A on the bottle C. Therefore, when the storage bag D for storing the body fluids and secretions of the patient is stored in the bottle C and attached to the main body B, a negative pressure is applied to the storage bag D according to the negative pressure acting on the bottle C. It is possible to inhale body fluids and secretions.

In particular, in the suction device according to the present embodiment, the bottle C attached to the main body B can be tilted so that the upper open portion is exposed with the lower end side of the bottle C as a fulcrum. Therefore, it is possible to easily attach and remove the storage bag D to the bottle C attached to the main body B.

The main body B includes a lid 10 that is directly attached to the mounting member A, a hanging piece 20 that hangs from the rear end of the lid 10, and a bottle support 30 that is configured on the lower end side of the hanging piece 20. It is configured to have.

The lid 10 is formed on the upper surface with a detachable portion (a pair of protrusions that are “with”) with and from the mounting member A. Further, a part of the lower surface of the lid 10 is formed in a shape equal to the shape of the upper edge 41 of the upper opening portion of the bottle C, and when the bottle C is attached to the main body B, the upper opening portion of the bottle C is formed. It has a shape that can be covered. The portion formed so as to cover the upper open portion of the bottle C is configured to function as a passage 11 on which the negative pressure adjusted by the pressure adjusting mechanism 2 of the mounting member A acts. When the upper open portion of the bottle C is covered with the lid 10, a packing 12 is provided at a portion of the lid 10 that comes into contact with the upper edge 41 of the bottle C in order to maintain high airtightness between the bottle C and the outside air. Have been placed.

A bottle fixing claw 13a is arranged at a predetermined position on the front surface side of the lid 10, and a bottle fixing release button 13b protruding from the front surface side is arranged. The structure of the bottle fixing claw 13a is not limited, but it is preferable to adopt, for example, a latch mechanism.

Further, on the upper part of the lid 10, a release button 14 for releasing the attached state after attaching the main body B to the attaching member A is arranged. Further, on the back surface side of the lid body 10, a hanging piece 20 hanging from the lid body 10 is arranged.

The hanging piece 20 is configured by rotatably attaching a bottle support 30 that supports the bottle C to the lower end side. The hanging piece 20 is formed as a U-shaped member composed of a pair of flanges 20a and a web 20b connecting the pair of flanges 20a, with the web 20b facing the front side and the flange 20a facing the back side. It is arranged in this way. The upper end side of the web 20b is fixed to the lid 10. Further, a rectangular window 20c is opened at a predetermined position substantially in the center of the web 20b.

The bottle support 30 is for detachably supporting the bottle C, and is rotatably attached to the lower end side of the hanging piece 20. Then, when the bottle C is attached to or detached from the bottle support 30, or when the storage bag D is attached to or removed from the attached bottle C, the bottle C is rotated so that the upper open portion is exposed. It is possible to make it. Therefore, these operations can be performed from diagonally above the bottle C, and the desired work can be easily performed.

The bottle support 30 is a support plate that connects a pair of flanges 30a arranged so as to cover the outside of the flange 20a of the hanging piece 20 and a pair of flanges 30a arranged on the front side of the web 20b of the hanging piece 20. It is configured as a U-shaped member composed of 30b. Further, the support plate 30 is formed with a fitting hole 31 at the same position as the window 20c formed on the web 20b of the hanging piece 20.

A hinge 21 having a rotation shaft 21a is arranged on the lower end side of the hanging piece 20, one piece 21b of the hinge 21 is fixed to the lower end side of the web 20b of the hanging piece 20, and the other piece 21c is fixed. It is fixed to the lower end side of the support plate 30b of the bottle support 30. Therefore, the bottle support 30 is configured to be rotatable about the lower end side with respect to the hanging piece 20.

The pair of flanges 20a of the hanging piece 20 and the pair of flanges 30a of the bottle support 30 are connected to each other via a refraction link 22. That is, one link piece 22a of the refraction link 22 is rotatably attached to the upper side of the flange 20a of the hanging piece 20, and the other link piece 22b rotates to the upper side of the flange 30a of the bottle support 30. It is installed as possible.

Further, in the vicinity of the connection portion of the link piece 22a on the flange 20a of the hanging piece 20, a contact piece 23 that comes into contact with the rotated link piece 22a and restricts the rotation of the link piece 22a is provided. .. Therefore, the range of the rotatable angle around the rotation shaft 21a of the bottle support 30 is limited by conditions such as the dimensions of the refraction link 22 and the rotation angle to the contact piece 23.

The range of the rotation angle of the bottle support 30 is not particularly limited. However, when the bottle support 30 is rotated toward the front surface and tilted, it is preferable that the upper end open portion of the supported bottle C can be exposed over substantially the entire surface. By exposing the upper open portion of the bottle C in this way, the inside can be easily visually recognized, and the work of accommodating the storage bag or the work of taking out the stored storage bag can be performed in a comfortable posture. It will be possible to do it reliably.

The fitting hole 31 formed in the support plate 30b of the bottle support 30 receives and locks the support protrusion 44 formed in the bottle C to support it. Therefore, the fitting hole 31 has a shape corresponding to the shape of the support protrusion 44, and a rectangular portion 31a capable of receiving the support protrusion 44 is continuous with the lower portion of the rectangular portion 31a on the upper side. The inverted triangular portion 31b is formed.

A rotation shaft 32 is arranged at the upper end of the fitting hole 31, and the rotation piece 33 is rotatably attached to the rotation shaft 32. The rotating piece 33 has a function of preventing the bottle C from coming off from the fitting hole 31 by contacting the lower end with the upper end surface of the support protrusion 44 when the support protrusion 44 of the bottle C is fitted into the fitting hole 31. Is. Therefore, a protrusion 33a is formed at the lower end portion on the back surface side of the rotating piece 33, and the protrusion 33a is configured to allow the rotating piece 33 to be reliably rotated.

The bottle C contains a storage bag D for storing a patient's body fluids and secretions, and a negative pressure is applied to the storage bag D to cause suction from the patient. The bottle C is configured as a container having an upper edge 41 having a shape corresponding to the shape of the lower surface of the lid 10 of the main body B.

A handle 42 is formed on the front surface side of the bottle C, and by gripping the handle 42, it is possible to carry out transportation work and cleaning. Further, a recess 43 is formed in the upper part of the handle 42, and when the storage bag D is stored, the suction hose or the like of the storage bag D can be arranged to the outside through the recess 43.

A support protrusion 44 supported by the fitting hole 31 of the bottle support 30 is formed on the back surface side of the bottle C. The support protrusion 44 has a locking portion 44a formed in an inverted triangular shape corresponding to the inverted triangular portion 31b of the fitting hole 31 and having a height corresponding to the thickness of the support plate 30b of the bottle support 30. When the locking portion 44a engages with the inverted triangular portion 31b, it has a flange 44b that engages with and is locked to the back surface of the support plate 30b.

Next, the procedure for removing the bottle C attached to the main body B will be described with reference to FIGS. 5 and 6.

First, when the fixing release button 13b arranged on the lid 10 is pressed, the fixing claw 13a engaged with a part of the upper edge 41 of the bottle C is pulled in, and the bottle C is fixed by the fixing claw 13a. It will be released.

Next, when the handle 42 of the bottle C is grasped and rotated in the counterclockwise direction in FIG. 5, the bottle C and the bottle support 30 supporting the bottle C are centered on the rotation shaft 21a of the hinge 21. It rotates up to the rotation limit of the refraction link 22. As a result, as shown in the figure, the upper open portion of the bottle C is exposed so that the inside can be visually recognized. In this state, the storage bag D can be stored inside the bottle C, or the stored storage bag D can be taken out.

When removing the bottle C supported by the bottle support 30, the rotating piece 33 arranged in the fitting hole 31 of the bottle support 30 is rotated counterclockwise in the above-mentioned state, and the rotating piece is rotated. The contact state of 33 with respect to the support protrusion 44 is released. After that, by grasping the handle 42 of the bottle C and lifting it upward, the support protrusion 44 can be detached from the fitting hole 31 of the bottle support 30. When the bottle C is separated from the bottle support 30, the rotating piece 33 rotates clockwise due to the weight of the protrusion 33a and returns to the initial position.

When attaching the bottle C to the bottle support 30, the above procedure may be reversed.

The suction device according to the present invention can improve the workability when attaching and attaching the storage bag to the bottle, and is attached to a vertical surface such as a hospital room or a support stand to suck body fluids and secretions. It is advantageous to use it as a vessel.

A Mounting member B Main body C Bottle D Storage bag 1 Case 2 Pressure adjustment mechanism 3 Supply hose 4 Picking 5, 11 Passage 6 Mounting piece 6a Fitting piece 10 Lid 12 Packing 13a Bottle fixing claw 13b Bottle fixing release button 14 Release button 20 Hanging pieces 20a, 30a Flange 20b Web 20c Window 21 Hinge 21a Rotating shaft 21b, 21c Piece 22 Refractive link 22a, 22b Link piece 23 Contact piece 30 Bottle support 30b Support plate 31 Fitting hole 31a Rectangular part 31b Inverted triangular part 32 Rotating shaft 33 Rotating piece 33a Protrusion 41 Upper edge 42 Handle 43 Recess 44 Support protrusion 44a Locking part 44b Flange

Claims (4)

A medical aspirator that can be mounted on a vertical surface, including a wall or support stand.
A mounting member in which a pressure adjusting mechanism is arranged and a mounting piece is arranged in a predetermined position,
A lid having a passage on which the pressure adjusted by the mounting member acts and a bottle fixing claw, a hanging piece hanging from the lid and having a rotation shaft arranged on the lower end side, and a hanging piece having a lower end side provided on the hanging piece. A main body having a bottle support that is rotatably supported by a rotating shaft and has a fitting hole formed at a predetermined position.
A bottle that contains a storage bag that stores body fluids and secretions sucked from a patient. The upper end is opened, and the bottle is supported by fitting into a fitting hole formed in the bottle support of the main body at a predetermined position. With a bottle in which a support protrusion is formed,
The support protrusion formed on the bottle is fitted and supported in the fitting hole formed on the bottle support of the main body, and the bottle support is rotated about the rotation axis of the lid body. A medical aspirator characterized in that a bottle fixing claw is engaged with a part of the upper edge of the bottle and attached to the main body. The lower end side of the bottle support of the main body is rotatably supported by a rotation shaft arranged on the lower end side of the hanging piece, and the upper end side is connected to the upper end side of the hanging piece via a refraction link piece. The medical aspirator according to claim 1, wherein the aspirator is provided. The medical suction device according to claim 1 or 2 , wherein the main body is configured to be removable from the mounting member. In the fitting hole formed in the bottle support of the main body, a rotating piece rotatably supported by a rotating shaft arranged at the upper end of the fitting hole is arranged, and the fitting hole is arranged. One of claims 1 to 3 , wherein the lower end of the rotating piece abuts on the support protrusion when the support protrusion formed on the bottle is fitted to the support protrusion. The medical aspirator described in the section .

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