JP4691478B2 - Medical device and method for discharging residual water from medical device - Google Patents

Description

  The present invention relates to a medical device, particularly a dental medical device, and relates to a medical device having a function of discharging water remaining in a water supply pipe of an instrument and a method for discharging the residual water.

  Various instruments are used in the dental treatment apparatus as described above. These instruments include instruments (air turbine handpiece, micromotor handpiece, scaler, water syringe, etc.) equipped with water injection means for injecting water from the water supply source to the affected area through the water supply line. The instruments are classified into instruments (vacuum syringes, saliva ejectors, etc.) for sucking and discharging saliva or treatment waste in the oral cavity. In the case of the former instrument, clean water is always supplied from the water supply source during use, but water remains in each water supply line after use. If this residual water is left in the water supply pipe for a long time, various bacteria will grow and scale will be generated. Therefore, it is necessary to periodically discharge the residual water. Also, in the case of the latter instrument, saliva and treated filth after use may remain in the suction line, and if left unattended, bacteria will grow in the suction line. It is necessary to clean the suction line.

Patent Document 1 discloses a method of supplying clean water to a cup water supply unit and a flexible tube (instrument water supply pipe), discharging residual water, and replacing the inside of the pipe with clean water for cleaning. Yes. Patent Document 2 discloses a method for discharging residual water in a water supply pipe by supplying extruded air to the water supply pipe of each instrument in order to prevent a decrease in the temperature of the chemical liquid at the time of chemical cleaning. It is disclosed. Further, in Patent Document 3, water is discharged from a spitton nozzle or the like for purposes other than discharging residual water, and water is stored in a spitton bowl or the like and then sucked in by a suction cannula (corresponding to a suction syringe such as a vacuum syringe). A method for cleaning a suction line) and the like is disclosed.
JP-A-11-212241 JP 2002-224146 A JP-A-4-225833

  In the instrument water supply line cleaning method disclosed in Patent Document 1 and Patent Document 2, each instrument is not distinguished for use by an operator and for an assistant, and is disposed in the vicinity of a medical table together with spits. Targeted medical devices. Further, the method for cleaning the suction line of the suction syringe disclosed in Patent Document 3 is performed independently of the residual water drainage (cleaning) of the water supply line of the instrument. In the case where the residual water discharge of the instrument water supply pipe and the cleaning of the suction pipe are periodically performed, two operations are required.

  Thus, recently, an instrument used by an operator and an instrument used mainly by an assistant are distinguished from each other, and these are respectively arranged in appropriate positions in a medical room and an assistant. Medical devices that are installed in the cabinet for the elderly to improve the functionality of medical work are also being adopted. In such a medical device, a water discharge tray is installed in a spit provided in the surgeon's cabinet, and the surgeon's instruments are concentrated on the water discharge tray, and clean water is supplied to each instrument or air. Residual water in each water supply line is discharged by pumping, but the assistant cabinet is often free of spitons and the like, and the spitons on the surgeon cabinet In fact, there was no discharge of residual water from the water supply pipeline in the instrument for assistants. Further, the auxiliary instrument includes suction syringes such as a vacuum syringe and a saliva ejector, and the suction line including the vacuum tank of these suction syringes is washed in association with the discharge of the residual water. Therefore, it is necessary to individually discharge the residual water and clean the suction pipe, and it can not be denied that it is troublesome in daily medical work.

The present invention has been made in view of the above, and in a medical device in which an instrument for an operator and an instrument for an assistant are arranged separately, discharge of residual water from these instruments is a system. The point is to provide a medical device and a method for discharging residual water that can be carried out automatically.
At the same time, a medical device is also provided that also performs cleaning of the suction line using the water from which the residual water has been discharged.

  A medical device according to a first aspect of the present invention includes a medical table, a surgeon cabinet provided with spitons, an assistant cabinet, and a holder for holding a surgeon's instrument provided in the surgeon cabinet. The medical device having a tray table and a holder provided in the assistant's cabinet and holding the assistant's instrument has an insertion hole into which the operator's instrument can be inserted. In order to discharge the residual water in the water supply conduit of the instrument for the operator inserted in the insertion hole to the spitton, it is installed in the water discharge tray that can be installed in the spiton and in the assistant cabinet. Cleaning for discharging residual water in the water supply pipe of the auxiliary instrument inserted into the insertion hole, provided with insertion holes into which the auxiliary instrument can be inserted. The water supply line for the surgeon's instrument and the water supply line for the assistant instrument are connected to the common water source and the main water supply line, and the residual water in both water supply lines The discharge of water is performed simultaneously or sequentially by feeding new water from this common water source and main water supply pipeline.

  The medical device according to a second aspect of the present invention is the medical device, wherein the water supply conduit of the instrument for the surgeon and the water supply conduit of the instrument for the assistant are connected to a common water source and a main water supply conduit. In addition, a branch pipe of an air supply pipe is connected to the main water supply pipe, and the discharge of residual water in both water supply pipes shuts off the water supply from the water source, and then the air supply pipe It is characterized by being made all at once by pumping air from the road through the branch pipe and the main water supply pipe.

  In these two inventions, the instrument for an assistant includes a water supply syringe connected to the main water supply line and a suction syringe connected to a suction source via a vacuum tank, and the water supply line of the water supply syringe When discharging the residual water in the washing tank, it is desirable that the drainage discharged to the washing tank is sucked by the suction syringe to clean the pipe line of the suction syringe. The cleaning tank may be provided with a water supply port that can supply water from the main water supply pipe and a suction port that communicates with the vacuum tank. Furthermore, it is preferable that the tray table or the instrument holder for the assistant is provided with an operation switch for executing the residual water discharging operation.

  Moreover, in both of these inventions, the assistant cabinet includes a drawer unit that can slide back and forth, and the drawer unit includes a work top plate and a holder for holding the assistant instrument, A cleaning tank unit including the cleaning tank may be provided. In this case, the auxiliary instrument includes a water supply syringe connected to the main water supply line and a suction syringe connected to a suction source via a vacuum tank, and the residual in the water supply line of the water supply syringe When discharging water into the cleaning tank, the suction drain is sucked into the cleaning tank by the suction syringe so that the pipe of the suction syringe can be cleaned. The cleaning tank unit includes the cleaning tank, the vacuum tank, It is desirable to be configured as a unit.

  According to a third aspect of the present invention, there is provided a method for discharging residual water from a medical device, comprising: a medical table; a surgeon cabinet equipped with a spiton; an assistant cabinet; and a surgeon cabinet. A method for discharging residual water in a water supply pipe of each instrument in a medical device having a tray table having a holder for holding and a holder for holding an instrument for an assistant provided in an assistant cabinet. A step of installing a water discharge tray having an insertion hole into which the instrument for the surgeon can be inserted in the spitton, and inserting the instrument for the surgeon into the insertion hole, and the auxiliary The above-mentioned surgeon instrument is inserted into the instrument insertion hole of the cleaning tank installed in the operator's cabinet by inserting the assistant instrument into the instrument insertion hole and operating the switch. From the common water source and main water supply line connected to the water supply line of the instrument and the auxiliary instrument water supply line, new water is supplied to these water supply lines. The method comprises a step of discharging residual water to the spitons and the washing tank simultaneously or sequentially.

  A residual water discharging method for a medical device according to a fourth aspect of the present invention is a residual water discharging method in the water supply conduit of each instrument in a medical device similar to the above, wherein the instrument for the operator is inserted. A watering tray having insertion holes that can be worn is installed in the spit-ins, and the operator's instrument is inserted into the insertion holes, and the washing tank installed in the assistant's cabinet is installed. By connecting the instrument for the assistant to the instrument insertion hole and the switch operation, the instrument is connected to the water supply line of the surgeon's instrument and the water supply line of the instrument for the assistant The water supply from the water source is shut off from the branch line of the air supply line connected to the main water supply line that leads to the common water source, and then air is pumped to these water supply lines. The remaining water in the road Wherein the more becomes that the step of discharging the unison down and cleaning the tank.

  In the residual water discharge method of the medical device according to both the inventions, the instrument for the assistant includes a water supply syringe connected to the main water supply line, a suction syringe connected to a suction source via a vacuum tank, When the residual water in the water supply line of the water supply syringe is discharged to the washing tank, it is desirable to suck the waste water discharged to the washing tank by the suction syringe and wash the pipe of the suction syringe.

  According to the medical device and the residual water discharge method of the medical device according to the first and third inventions, the water supply conduit for the instrument for the operator and the water supply conduit for the instrument for the assistant are common. The residual water in both water supply lines is discharged simultaneously or sequentially by feeding new water from this common water source and main water supply line. As a result, the discharge of residual water in the water supply line of the instrument for the assistant is systematized together with the discharge of residual water in the water supply line of the instrument for the surgeon. By replacing the passage with clean water and carrying out this regularly, it is possible to prevent the growth of various germs and the occurrence of scale in the water supply pipeline.

  According to the medical device and the residual water discharge method of the medical device according to the second and fourth inventions, the main water supply pipe is connected to the branch pipe of the air supply pipe, so that the surgeon and assistant Residual water discharge in the instrument water supply line is shut off from the water source and then pumped air from the air supply line through the branch line and the main water supply line. Therefore, after the residual water is discharged, water does not remain in these water supply pipes and can be made empty. Therefore, if the residual water is drained after the medical work and the inside of the water supply pipe is emptied, the instrument can be used as it is at the next medical work. Further, since the pushing force by the air pressure is large, it is possible to push out the residual water in the water supply pipes in all instruments at the same time regardless of the pipe line resistance of the water supply pipes, thereby improving efficiency.

  Further, in the medical device and the residual water discharging method of the medical device according to the above invention, the residual water in the water supply pipe line of the water supply syringe as the instrument for the assistant is supplied to the washing tank installed in the assistant's cabinet. When discharging, if the suction water discharged to the cleaning tank is sucked by the suction syringe to clean the suction pipe of the suction syringe, the suction syringe is parallel to the residual water discharge of the water supply pipe of the instrument. In addition, the suction line can be cleaned, and the water discharged from the water supply syringe can be used as it is, which is extremely efficient.

  In the medical device according to the invention, if the cleaning tank is provided with a water supply port capable of supplying water from the main water supply line and a suction port leading to the vacuum tank, the main water supply line is interposed via the cleaning tank. The vacuum tank can also be cleaned using clean water from the water or waste water from the suction line of the water supply syringe. Furthermore, if an operation switch for executing the residual water discharging operation is provided on the tray table or the instrument holder for the assistant, the surgeon or assistant can start the routine medical work before starting. Alternatively, in the work flow after the completion, it is possible to carry out the residual water discharge work of the water supply pipelines of all instruments by only operating the switch at hand, and the mental burden on the residual water discharge work is also reduced. .

  Further, in the medical device and the residual water discharging method of the medical device according to the above invention, the residual water is newly discharged by sucking the drained water with an existing suction syringe in a cabinet for an assistant without a drain pipe. It is not necessary to provide an essential drainage pipe, and further, since the number of parts related to residual water discharge can be reduced, the cost can be minimized.

  In the medical device according to the first and second inventions, the assistant cabinet includes a drawer unit that is slidable back and forth, and the drawer unit holds a work top plate and the assistant instrument. If a holder for cleaning and a cleaning tank unit including the cleaning tank are provided, it is easy to take out, change or store the instrument for the assistant during the diagnosis by pulling out the drawer unit. In addition, the operation of discharging the residual water in the water supply pipe of the instrument for an assistant can be easily performed without the operator or the assistant moving alone.

  Furthermore, in this case, the instrument for the assistant includes a water supply syringe connected to the main water supply line and a suction syringe connected to the suction source via the vacuum tank, and the water supply syringe has a water supply line in the water supply line. When discharging the residual water to the washing tank, the drainage discharged to the washing tank is sucked by the suction syringe so that the conduit of the suction syringe can be washed. The washing tank unit includes the washing tank and the vacuum tank. As a result, the suction line of the suction syringe can be easily cleaned even during medical treatment by pulling out the drawer unit. When performing medical care, the suction line can be washed while sitting on a chair.

  Hereinafter, the best mode of the present invention will be described with reference to the drawings. FIG. 1 is a conceptual plan view showing an embodiment of the medical device of the present invention, FIG. 2 is a piping system diagram of an instrument working medium line and a drainage / washing line in the embodiment, and FIG. FIG. 4 is a sectional view taken along line XX in FIG. 3 and FIG. 5 is a view of a washing tank provided in an assistant cabinet in the same embodiment. FIG. 6 is a longitudinal sectional view of the cleaning tank, FIG. 7 is a flowchart of one embodiment of the residual water draining process, FIG. 8 is a time chart of the residual water draining process, and FIG. 9 is residual water. FIG. 10 is a flow chart of another embodiment of the drainage process, FIG. 10 is a time chart diagram of the residual water drainage process, and FIG. 11 is a partially cutaway front view showing another embodiment of the assistant cabinet that constitutes the medical device of the present invention. Fig. 12 shows the side of the assistant cabinet FIG, 13 is a side view showing a state in use of the cabinet for the assistant.

  FIG. 1 shows a dental treatment apparatus, and a surgeon cabinet 2 and an assistant are provided in a treatment space (medical room) S on a side of a dental examination table 1 that can be raised and lowered and a back plate can be tilted. The cabinet 3 is arranged in a substantially orthogonal relationship in plan view. On the top plate 2a of the surgeon cabinet 2, a spitton 4 for gargleing the patient P on the examination table 1 is installed, and an automatic water tap 4a and an automatic cup water tap 4b are provided in the vicinity of the spitn 4. Equipped. A tray table 5 is supported on the side of the operator cabinet 2 through a free arm 5a so as to be horizontally movable. The tray table 5 can be moved according to the medical work position of the operator D, and a holder 6 for holding the instruments 7 to 11 for the operator is attached to the side of the tray table 5. In the illustrated example, the holder 6 holds two types of air turbine handpieces 7, 8, a micromotor handpiece 9, an ultrasonic scaler 10, and a three-way syringe 11 as an instrument instrument.

  A holder 12 that holds assistant instruments 13 to 15 is supported by the assistant cabinet 3 through a free arm 12a so as to be horizontally movable. The auxiliary holder 12 can be moved according to the auxiliary work position of the auxiliary person N. In the illustrated example, as the auxiliary instrument, a three-way syringe (water supply syringe) 13 and a vacuum syringe (suction syringe) are provided. 14 and a saliva ejector (suction syringe) 15 are held. A cleaning tank 16 to be described later is installed below the work top 3a of the assistant cabinet 3. Further, a residual water discharge operation switch 17 and a vacuum tank cleaning operation switch 18 which will be described later are provided on the surface of the assistant holder 12.

  Next, the pipe line configuration of each instrument working medium (water supply, air supply, intake air) will be described. In FIG. 2, a water supply line (including a spitton water supply line) includes a main water supply line 31 connected to the water source 30 and a water supply pipe on the side of the operator cabinet 2 branched from the main water supply line 31. It consists of the paths 32-38 and the water supply pipe lines 39 and 40 on the side of the assistant cabinet 3. The main water supply pipe 31 is provided with a water supply source valve (water source electromagnetic valve) 31a, a sterilization filter 31b, a worm 31c, and the like. The water supply line 32 is connected to the air turbine handpiece 7, the water supply line 33 is connected to the air turbine handpiece 8, the water supply line 34 is connected to the micromotor handpiece 9, the water supply line 35 is connected to the ultrasonic scaler 10, and the water supply line is connected. Reference numerals 36 are respectively connected to the three-way syringe 11. The water supply pipe 37 is connected to the automatic water tap 4a of the spitton 4, and the water supply pipe 38 is connected to the automatic cup water tap 4b. Further, the water supply line 39 is introduced into the three-way syringe 13 for the assistant, and the water supply line 40 branched from the water supply line 39 is introduced into the cleaning tank 16.

  Solenoid valves 32a, 33a, 34a, and 35a are arranged in the middle of the water supply pipes 32 to 35. A sensor provided in the holder 6 that any of the instruments is removed from the holder 6 during normal use of the instrument instruments 7 to 10 corresponding to the water supply pipes 32 to 35. When a foot switch (not shown) is detected and the foot switch (not shown) is operated, the solenoid valve corresponding to the removed instrument is opened and water is injected from the water inlet of the instrument. The In addition, solenoid valves 37a and 38a are arranged in the middle of the water supply pipe 37 and the water supply pipe 38, and these are detected when the presence of the hand and the cup of the patient under the automatic water tap 4a and the automatic cup water tap 4b is detected. The electromagnetic valves 37a and 38a are opened, and water is supplied from the automatic water tap 4a and the automatic cup water tap 4b.

  There is no electromagnetic valve as described above in the middle of the water supply pipes 36 and 39 connected to the three-way syringe 11 for the surgeon and the three-way syringe 13 for the assistant. The grip portion is provided with a mechanical valve (not shown) and operation levers 11a and 13a (see FIGS. 3, 5 and 6), and water is injected from the tip nozzle portion by the pressing operation of the operation levers 11a and 13a by an operator and an assistant. Made. The water supply line 40 is for supplying water to the cleaning tank 16, and an electromagnetic valve 40a is disposed in the middle thereof.

  The air supply line includes an air source 50 as a compressed air source by a compressor (not shown), a main air supply line 51 connected to the air source 50, and an operator branched from the main air supply line 51. The air supply pipes 52 to 59 on the cabinet 2 side and the air supply pipe 60 on the assistant cabinet 3 side are included. The air supply pipes 52 and 53 are for driving the turbines of the air turbine handpieces 7 and 8, and an electromagnetic valve (both not shown) that is opened and closed by a foot switch stepping operation is disposed in the middle. Air supply pipes 54 to 57 are connected to the respective instruments (air turbine handpiece, micromotor handpiece, ultrasonic scaler) 7 to 10 for tip air spraying water supplied from the water supply pipes 32 to 35. Introduced, solenoid valves 54a to 57a that are opened and closed by a foot switch stepping operation are arranged in the middle. The air supply pipe 58 ejects cooling air for preventing heat generation of the micromotor handpiece 9, and an electromagnetic valve 58a that is opened and closed by a foot switch stepping operation is disposed on the way.

The air supply pipes 59 and 60 are connected to the operator three-way syringe 11 and the assistant three-way syringe 13 and are configured to eject air from the tip nozzle portion thereof. There is no electromagnetic valve as described above in the middle of 60, and these three-way syringes 11 and 13 have an air mechanical valve (not shown) and air operation levers 11b and 13b (FIGS. 3 and 5) in their grips. The air is ejected from the tip nozzle portion by the pressing operation of the operation lever by the operator and the assistant. The air operation levers 11b and 13b are juxtaposed with the water supply operation levers 11a and 13a, and both are selectively or simultaneously pressed by an operator and an assistant. An air supply source valve (solenoid valve) 51a is disposed in the middle of the main air supply line 51, and a branch line 61 connected to the main water supply line 31 is provided upstream of the air supply source valve 51a. The branch pipe 61 is formed with an electromagnetic valve (air extruding electromagnetic valve) 61a.
These supply source valve (solenoid valve) 51a, branch pipe 61 and solenoid valve (air extrusion solenoid valve) 61a are not required in the case of the first invention (water extrusion type), and the second invention (air extrusion type) Necessary only in the case of the extrusion type).

  A vacuum syringe 14 and a saliva ejector 15 as an instrument for an assistant are connected to a suction line. That is, the vacuum syringe 14 and the saliva ejector 15 are connected to the suction lines 73 and 74 branched from the main suction line 71 connected to the suction source 70 by a vacuum pump (not shown) via the vacuum tank 72. Yes. Solenoid valves 73a and 74a are arranged in the middle of the suction pipes 73 and 74, and a sensor (not shown) detects that they have been removed from the holder 12 during normal medical care, and these solenoid valves 73a are detected. , 74a are opened and closed. Further, a branch suction pipe 75 branched from the main suction pipe 71 is introduced into the cleaning tank 16. An electromagnetic valve 75 a is disposed in the middle of this branch suction pipe 75.

  Drainage from the spitton 4 passes through a drainage pipe 81, overflow water in a cleaning tank 16, which will be described later, passes through a drainage pipe 82, and waste liquid separated individually in the vacuum tank 72 drains through a drainage pipe 83. It is drained to the tip 80. In normal medical work, when the instruments 7 to 10, 14, and 15 except for the three-way syringes 11 and 13 are removed from the respective holders 6 and 12, the foot switch corresponding to the desired working medium is stepped on. The desired working medium is supplied to the removed instrument and suction is performed. When the three-way syringes 11 and 13 are used, a desired working medium can be ejected from the distal end portion by the pressing operation of the operation levers 11a, 11b, 13a, and 13b provided in the grip portions as described above.

  Next, a mechanism for discharging residual water in the water supply pipe of the instrument (excluding the suction syringe) and a mechanism for cleaning the suction pipe will be described. 3 and 4 show a water discharge tray 19 installed in the spitton 4. The water discharge tray 19 is installed so as to cover a substantially half portion of the opening of the spitton 4 with the wide-mouth opening 19 a facing downward. On the upper surface of the water discharge tray 19, five insertion holes 19b, 19c, 19d, 19e, and 19f into which the instrument instruments 7 to 11 can be inserted are opened. In FIG. 3, the three-way syringe 11 is in the insertion hole 19b, the air turbine handpiece 7 is in the insertion hole 19c, the air turbine handpiece 8 is in the insertion hole 19d, and the micromotor handpiece 9 is in the insertion hole 19e. The ultrasonic scaler 10 is inserted into the insertion hole 19f with the tip head portion, nozzle portion or tip portion removed. Each insertion hole 19b-19f is formed in the shape which can insert and hold | maintain a corresponding instrument.

  In addition, a protrusion 19g is formed in the insertion hole of the insertion hole 19b, and when the three-way syringe 11 is inserted, the operation lever 11a is pressed against the protrusion 19g to press the water supply source solenoid valve. As long as 31a is open, water is released simultaneously with the insertion of the three-way syringe 11 into the insertion hole 19b. 19h is a bowl-shaped body that receives water from the automatic cup hydrant 4b. When the water discharge tray 19 is installed on the spitton 4, a cup presence sensor (not shown) detects this, and this is detected from the automatic cup hydrant 4b. Water is automatically supplied to the bowl 19h and drained to the spitton 4.

  FIGS. 5 and 6 show a cleaning tank unit 16 </ b> A including a cleaning tank 16 installed in the assistant cabinet 3. The unit housing 16a has three insertion holes 16b, 16c and 16d into which the assistant instruments 13, 14, and 15 can be inserted. The three-way syringe 13 is inserted into the insertion hole 16b, the sliver ejector 15 is inserted into the insertion hole 16c, and the vacuum syringe 14 is inserted into the insertion hole 16d with the tip head nozzle portion or tip portion removed. ing. Each insertion hole 16b-16d is formed in the shape which can insert and hold | maintain a corresponding instrument. Further, a protrusion 16e is formed in the insertion hole of the insertion hole 16b, and when the three-way syringe 13 is inserted, the operation lever 13a is pressed by pressing against the protrusion 16e, and the water supply source solenoid valve As long as 31a is open, water is released simultaneously with the insertion of the three-way syringe 13 into the insertion hole 16b.

  Introducing pipes 16f, 16g, and 16h to the cleaning tank 16 are connected to the insertion holes 16b, 16c, and 16d. The introduction pipe 16 f merges with the water supply pipe 40. The front end of the water supply line 40 faces the cleaning tank 16 as a water supply port 40b. The leading ends of the introduction pipes 16g and 16h extend to the vicinity of the bottom of the cleaning tank 16. In addition, as described above, the suction conduit 75 communicating with the vacuum tank 72 is also introduced so that the tip suction port 75 b extends to the vicinity of the bottom of the cleaning tank 16. Reference numeral 16 i denotes an overflow pipe connected to the water distribution pipe 82.

  A method for discharging residual water in the water supply pipes 32 to 36 and 39 of the instruments 7 to 11 and 13 by the residual water discharge mechanism and the suction pipe cleaning mechanism having the above-described configuration, and suction pipes 71 and 73 including a vacuum tank 72; One embodiment of the pipe line cleaning method 74 will be described with reference to the flowchart of FIG. 7 and the time chart of FIG. In step S <b> 1, a water discharge tray 19 is installed in the spitton 4 of the surgeon cabinet 2. Next, the air turbine handpieces 7 and 8, the micromotor handpiece 9, the ultrasonic scaler 10 and the three-way syringe 11 are taken out from the holder 6, and after removing the tip head portion, the tip portion and the nozzle portion, the water discharge tray 19, respectively. Are inserted into the insertion holes 19c, 19d, 19e, 19f, and 19b (steps S2 to S5). In this state, the operation lever 11a of the three-way syringe 11 is pressed and water is discharged to the spitton 4 as described above, but the air turbine handpiece 7, 8 micromotor handpiece 9, and the solenoid valve of the ultrasonic scaler 10 are used. 54a to 57a are set in a standby state.

  In steps S6 to S8, the vacuum syringe 14, the saliva ejector 15 and the three-way syringe 13 are inserted into the insertion holes 16d, 16c and 16b of the cleaning tank unit 16A (unit casing 16a) installed in the assistant cabinet 3. Insert and insert after removing the tip nozzle part and tip part. In this state, as described above, the operation lever 13a of the three-way syringe 13 is pressed and water is discharged to the cleaning tank 16, but the vacuum syringe 14, the electromagnetic valves 73a and 74a of the saliva ejector 15 and the water supply for the cleaning tank are used. The electromagnetic valve 40a is set to a standby state.

  In step S9, when the residual water discharge switch 17 is turned on (t1 in FIG. 8), the electromagnetic valves 73a and 74a are opened, and the water discharged from the three-way syringe 13 to the washing tank 16 is supplied to the vacuum syringe 14 and the sliver. Suction is sequentially performed by the ejector 15 (step S10), and is discharged to the discharge destination 80 through the vacuum tank 72 and the drainage pipe 83. During this time, residual water in the water supply pipe 60 of the three-way syringe 13 is discharged into the washing tank 16 and replaced with clean water supplied from the water source 30. The water discharged to the cleaning tank 16 is sequentially sucked by the vacuum syringe 14 and the saliva ejector 15, so that the suction lines 73 and 74 and the vacuum tank 72 are cleaned.

  In step S10, as shown in FIG. 8, the electromagnetic valves 34a, 35a, 32a and 33a of the micromotor handpiece 9, the ultrasonic scaler 10, and the air turbine handpieces 7 and 8 are set to be opened and closed in a time-sharing manner. At the same time when the residual water discharge switch 17 is turned on, clean water is supplied from the water source 30 to each of the instruments 9, 10, 7, and 8 in this order, and the residual water pipes 56, 57, 54, and 55 remain. Water is discharged into the spitton 4 and replaced with clean water. The reason why the solenoid valves 34a, 35a, 32a, 33a are opened in a time-sharing manner is that residual water in the water supply pipe having a large pipe resistance may not be sufficiently discharged. May be opened at the same time.

  As shown in FIG. 8, when a predetermined time, for example, 6 minutes elapses (t2), the residual water discharge switch 17 is automatically turned off, and the water supply electromagnetic valve 33a and the suction electromagnetic valves 73a and 74a are closed. Thus, the residual water discharge and the suction line cleaning are completed (steps S11 and S11 ′). The instruments 7 to 11 and 13 to 15 are returned to the holders 6 and 12 (step S12), and the water discharge tray 19 is cleared (step S13).

  When the vacuum tank cleaning operation switch 18 is operated before, during, or at the end of the above-described series of steps, the water supply electromagnetic valve 40a to the cleaning tank 16 is opened and the cleaning tank 16 is operated. The solenoid valve 75a of the suction line 75 introduced into the is opened. Accordingly, clean water from the water source 30 is added, and the suction line including the cleaning tank 16 and the vacuum tank 72 is sufficiently cleaned. In this case, for example, in the case of the example shown in FIG. 8, if the electromagnetic valve 75a of the suction line 75 is set to be closed before the vacuum tank cleaning operation switch 18 is turned off, the cleaning tank Since the process is completed in a state where clean water is stored in 16, the next cleaning operation is efficiently performed.

  Next, another embodiment of the method for discharging residual water in the water supply pipes 32 to 36 and 39 of the instruments 7 to 11 and 13 and the pipe cleaning method for the suction pipes 71, 73 and 74 including the vacuum tank 72 are described. Will be described with reference to the flowchart of FIG. 9 and the time chart of FIG. In Example 1, residual water is extruded and discharged by supplying clean water from the water source 30 to each water supply line. However, Example 2 remains by supplying air to each water supply line. Water is extruded and discharged.

  As a preliminary preparation, in the same manner as in the first embodiment, in step S <b> 21, the water discharge tray 19 is installed in the spitton 4 of the surgeon cabinet 2. Next, the air turbine handpieces 7 and 8, the micromotor handpiece 9, the ultrasonic scaler 10 and the three-way syringe 11 are taken out from the holder 6, and the tip head portion, the tip portion and the nozzle portion are removed, and then the water discharge tray 19. Are inserted into the insertion holes 19c, 19d, 19e, 19f, and 19b (steps S22 to S25). In this state, the operation lever 11a of the three-way syringe 11 is pressed and water is discharged to the spitton 4 as described above, but the electromagnetic waves of the air turbine handpieces 7, 8, the micromotor handpiece 9, and the ultrasonic scaler 10 are discharged. The valves 54a to 57a are set in a standby state.

  In steps S26 to S28, the vacuum syringe 14, the saliva ejector 15 and the three-way syringe 13 are inserted into the insertion holes 16d, 16c and 16b of the cleaning tank unit 16A (unit casing 16a) installed in the assistant cabinet 3. Insert and insert after removing the tip nozzle part and tip part. In this state, as described above, the operation lever 13a of the three-way syringe 13 is pressed and water is discharged to the cleaning tank 16, but the vacuum syringe 14, the electromagnetic valves 73a and 74a of the saliva ejector 15 and the water supply for the cleaning tank are used. The electromagnetic valve 40a is set to a standby state.

  In step S29, when the residual water discharge switch 17 is turned on (t3 in FIG. 10), the electromagnetic valves 73a and 74a are opened, and the water discharged from the three-way syringe 13 to the cleaning tank 16 is supplied to the vacuum syringe 14 and saliva. Suction is sequentially performed by the ejector 15 (step S30), and is discharged to the discharge destination 80 through the vacuum tank 72. During this time, residual water in the water supply pipe 60 of the three-way syringe 13 is discharged into the washing tank 16 and replaced with clean water supplied from the water source 30. And since the water discharge | released to the washing | cleaning tank 16 is sequentially attracted | sucked by the vacuum syringe 14 and the saliva ejector 15, the suction lines 73 and 74 and the vacuum tank 72 are wash | cleaned.

  After a predetermined time (t4 in FIG. 10), the micromotor handpiece 9, the ultrasonic scaler 10, and the electromagnetic valves 34a, 35a, 32a, and 33a of the air turbine handpieces 7 and 8 are opened (step S31), and at the same time, the water source electromagnetic The valve 31a is closed (step S32). Further, after a predetermined time (t5 in FIG. 10), the electromagnetic valve (air extruding electromagnetic valve) 61a of the air branch pipe 61 is opened, and the water supply pipes 32, 33, 34, 35, and 36 are opened from the main water supply pipe 31. , 39, and air remaining in these water supply pipes is pushed out by the air and discharged from the water inlet of each instrument to the spitton 4 and the cleaning tank 16 (step S33). In the time chart of FIG. 10, ON of the instruments 7 to 11 and 13 excluding the vacuum syringe 14 and the saliva ejector 15 indicates that the air supply to these water supply pipes has started. From t5 to t6 in FIG. 10, the residual water is continuously discharged by the air extrusion, and the water discharged to the cleaning tank 16 by the vacuum syringe 14 and the saliva ejector 15 is sucked. Since the supply pressure of air is sufficiently high, these are performed all at the same time, so that the residual water can be discharged in a short time.

  As shown in FIG. 10, when a predetermined time elapses (t6), the residual water discharge switch 17 is automatically turned off, and the residual water discharge and suction line cleaning are completed (steps S34 and S34 ') and the air extrusion is performed. The solenoid valve 61a and the suction solenoid valves 73a and 74a are closed, and the water source solenoid valve 31a is opened (step S35). Thereafter, the instruments 7 to 11 and 13 to 15 are returned to the holders 6 and 12 (step S36), and the water discharge tray 19 is cleared (step S37). The timing of opening the water source solenoid valve 31a in step S35 is not limited to this time, and may be opened at the next medical examination. When the water source solenoid valve 31a is opened at the next medical examination, since each water supply pipe line is maintained in an empty state, there is less concern about proliferation of germs even if the unused time continues for a long time. Become.

  When the vacuum tank cleaning operation switch 18 is operated before, during or at the end of the series of steps (predetermined time t7 in FIG. 10), the water supply electromagnetic valve 40a to the cleaning tank 16 is opened. The electromagnetic valve 75a of the suction line 75 introduced into the cleaning tank 16 is opened. Accordingly, clean water from the water source 30 is added, and the suction line including the cleaning tank 16 and the vacuum tank 72 is sufficiently cleaned. In this case, for example, in the case of the example shown in FIG. 10, if the electromagnetic valve 75a of the suction line 75 is set to be closed before the vacuum tank cleaning operation switch 18 is turned off, the cleaning tank Since the process is completed in a state where clean water is stored in 16, the next cleaning operation is efficiently performed.

  FIGS. 11-13 shows other embodiment of the cabinet for assistants which comprises the said diagnostic apparatus. In the assistant cabinet 3 of the above embodiment, the cleaning tank unit 16A including the cleaning tank 16 is fixedly installed in the assistant cabinet 3, and the holder 12 for holding the assistant instrument is free. The assistant cabinet 3 is directly provided via the arm 12a, and the work top 3a is fixedly provided to the assistant cabinet 3. The assistant cabinet 3 of this embodiment is A drawer unit 90 slidable back and forth with respect to the assistant cabinet body 3A is provided. The drawer unit 90 includes a work top plate 3a and the assistant instruments 13 to 15 (in FIGS. 11 to 13). A holder 12 for holding (not shown) and a cleaning tank unit 16A including the cleaning tank 16 are integrally provided. The cleaning tank unit 16A shown in the figure is configured by integrating the cleaning tank 16 and the vacuum tank 72.

  The drawer unit 90 includes a three-stage drawer 90b that can be slid forward and backward with respect to the assistant cabinet body 3A via rail means 90a (see FIG. 13). The auxiliary cabinet main body 3A is installed on the floor, and the water supply pipes 39 and 40, the air supply pipe 60, the main suction pipe 71, and the drain pipes 82 and 83 on the side of the auxiliary cabinet 3 arranged under the floor. , A bundle of electric wires for electric devices (switches, lighting, etc.) provided in the auxiliary instruments 13 to 15 (all refer to FIG. 2) and various electric devices (sensors, operation switches) provided in the holder 12; It is led out in the cabinet body 3A for assistants. These are bundled to form a tube bundle 91, which is introduced into the unit casing 16a of the cleaning tank unit 16A through a rectangular window 92 extending in the front-rear direction provided on the side wall of the auxiliary cabinet body 3A.

  A rail 93 is attached along the upper and lower edges of the rectangular window 92 inside the side wall of the auxiliary cabinet body 3A, and a tube slide plate 94 is mounted on the rail 93 so as to be slidable back and forth. A through-hole 94a is formed in the middle of the tube slide plate 94, and the through-hole 94a is penetrated and held in a state where the tube bundle 91 is covered with a protective tube 91a. Of the tube bundle 91 introduced into the housing of the cleaning tank unit 16A, the suction lines 73 and 74 that pass through the water supply line 39, the air supply line 60, and the vacuum tank 72 for the instruments 13 to 15 for the assistants. (See FIG. 2 for all) and the above-mentioned electric wires and the like are collected in respective tubes (not shown) and led out from an instrument tube lead-out hole 16j opened in the upper part of the unit casing 16a of the cleaning tank unit 16A. Auxiliary instruments 13 to 15 connected to the respective tips are held by the holder 12. The main suction pipe 71 and the drain pipe 83 are connected to a predetermined part of the vacuum tank 72, and the water supply pipe 40 and the drain pipe 82 are connected to a predetermined part of the cleaning tank 16. In the unit casing 16a, insertion holes 16b, 16c and 16d connected to the cleaning tank 16 are formed in the same manner as described above.

  In the auxiliary cabinet 3 having the above-described configuration, the auxiliary instruments 13 to 15 are inserted into the insertion holes 16b, 16c, and 16d in a state in which the tip nozzle portion or the tip portion is removed, and thereby the embodiment Residual water discharge / cleaning operation can be performed in the same manner as in Example 1 or Example 2. In this case, it is possible to carry out with the drawer unit 90 stored as shown in FIG. 12, but it can also be carried out with the drawer unit 90 drawn forward as shown in FIG. This drawing operation is performed by a gripper 3b provided on the lower surface of the front end of the work top 3a. When the drawer unit 90 is pulled out, the cleaning tank unit 16A is also pulled out and the tube bundle 91 is drawn around the unit housing 16a of the cleaning tank unit 16A. Since the tube bundle 91 is held by the through hole 94a of the tube slide plate 94 in the introduction portion from the cabinet main body 3A to the cleaning tank unit 16A, the tube slide plate 94 is moved by the movement of the tube bundle 91. It slides along the rail 93 and is smoothly moved to the drawer position as shown in FIG. The movement to the storage position in FIG. The auxiliary instrument holder 12 can be further moved from this position to an arbitrary position by the free arm 12a as described above.

  In the drawer position as shown in FIG. 13, the handling of the instruments 13 to 15 held by the holder 12, the work on the work top 3 a, and the medicine / treatment stored in the drawer 90 b In addition to improving the efficiency of various operations associated with normal medical work such as taking out tools and the like, the above-mentioned residual water draining and washing work can be performed even during normal medical work. In particular, it is convenient when the surgeon performs medical work and residual water discharge / cleaning work alone.

  In the above embodiment, a dental medical device is taken as an example, but the present invention can also be applied to otolaryngology and other medical devices. Further, the types and numbers of the instrument for the surgeon and the instrument for the assistant are not limited to those shown in the drawings. Furthermore, it goes without saying that the surgeon's cabinet and the instrument for the assistant may be used by the surgeon himself. In addition, it goes without saying that the layout structure of the medical device shown in FIG. 1 is not limited to this, and other modifications are possible. Moreover, the structure of the cabinet for assistants shown in FIGS. 11 to 13 is not limited to that shown in the drawings, and for example, it can be configured by being incorporated in another medical cabinet.

It is a notional top view which shows one Embodiment of the medical device of this invention. It is a piping system diagram of the instrument working medium conduit and the drainage / cleaning conduit in the same embodiment. It is a partial notch perspective view which shows the state which installed the water discharge tray in the spitn of the embodiment. FIG. 4 is a cross-sectional view taken along line XX in FIG. 3. It is a notional external appearance perspective view of the washing tank provided in the assistant's cabinet in the embodiment. It is a longitudinal cross-sectional view of the same washing tank. It is a flowchart of one Embodiment of a residual water drainage process. It is a time chart figure of the residual water drainage process. It is a flowchart of other embodiment of a residual water drainage process. It is a time chart figure of the residual water drainage process. It is a partial notch front view which shows other embodiment of the cabinet for assistants which comprises the medical treatment apparatus of this invention. It is a side view of the cabinet for the assistants. It is a side view which shows the state at the time of use of the said cabinet for assistants.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Clinic table 2 Surgeon cabinet 3 Auxiliary cabinet 3a Work top plate 4 Spitton 5 Tray table 6 Holder 7-11 Instrument for surgeon 12 Holder 13-15 Instrument for assistant (water supply syringe, suction syringe) )
16 Washing tank 16b to 16d Insertion hole 16A Washing tank unit 17 Residual water discharge operation switch 19 Water discharge tray 19b to 19f Insertion hole 30 Water source 31 Main water supply line 32 to 36, 39 Water supply line 40b Water supply port 51 Air supply Line 61 Branch line 70 Suction source 72 Vacuum tank 73, 74 Suction syringe line 75b Suction port 90 Drawer unit

Claims (10)

To the doctor table, the surgeon cabinet with spitons, the assistant cabinet, the tray table with the holder for holding the surgeon's instrument, and the assistant cabinet In a medical device having a holder for holding an instrument for an assistant,
In order to discharge the residual water in the water supply pipe of the instrument for the surgeon inserted in the insertion hole into the spitton, the insertion hole into which the instrument for the surgeon can be inserted is provided. A water tray that can be installed in Spitton,
The auxiliary instrument is installed in the auxiliary cabinet and has insertion holes into which the auxiliary instrument can be inserted, and the auxiliary instrument inserted in the insertion holes remains in the water supply pipeline. With a washing tank for discharging water,
The water supply line for the above-mentioned surgeon instrument and the water supply line for the instrument for the assistant are connected to a common water source and the main water supply line. A medical device characterized by being made simultaneously or sequentially by feeding new water from a common water source and main water supply pipeline. To the doctor table, the surgeon cabinet with spitons, the assistant cabinet, the tray table with the holder for holding the surgeon's instrument, and the assistant cabinet In a medical device having a holder for holding an instrument for an assistant,
In order to discharge the residual water in the water supply pipe of the instrument for the surgeon inserted in the insertion hole into the spitton, the insertion hole into which the instrument for the surgeon can be inserted is provided. A water tray that can be installed in Spitton,
The auxiliary instrument is installed in the auxiliary cabinet and has insertion holes into which the auxiliary instrument can be inserted, and the auxiliary instrument inserted in the insertion holes remains in the water supply pipeline. With a washing tank for discharging water,
The water supply line of the instrument for the surgeon and the water supply line of the instrument for the assistant are connected to a common water source and a main water supply line, and an air supply line is connected to the main water supply line. Are connected, and the discharge of residual water in both water supply pipes shuts off the water supply from the water source, and then pumps air from the air supply pipe through the branch pipe and the main water supply pipe. A medical device characterized by being made all at once. The medical device according to claim 1 or 2,
The instrument for an assistant includes a water supply syringe connected to a main water supply line, and a suction syringe connected to a suction source via a vacuum tank, and the residual water in the water supply line of the water supply syringe is A medical device characterized in that when discharging to a cleaning tank, the drainage discharged to the cleaning tank is sucked by the suction syringe so that the conduit of the suction syringe can be cleaned. The medical device according to claim 3, wherein
The medical device, wherein the cleaning tank is provided with a water supply port capable of supplying water from the main water supply pipe line and a suction port communicating with the vacuum tank. The medical device according to claim 1 or 2,
The assistant cabinet includes a drawer unit that can slide back and forth, and the drawer unit includes a work top plate, a holder for holding the assistant instrument, and a washing tank including the washing tank. A medical device characterized in that a unit is provided. The medical device according to claim 5, wherein
The instrument for an assistant includes a water supply syringe connected to a main water supply line, and a suction syringe connected to a suction source via a vacuum tank, and the residual water in the water supply line of the water supply syringe is When discharging to the cleaning tank, the drainage discharged to the cleaning tank is sucked by the suction syringe so that the conduit of the suction syringe can be cleaned, and the cleaning tank unit integrates the cleaning tank and the vacuum tank. A medical device characterized by being configured. The medical device according to any one of claims 1 to 6,
An operation switch for performing the discharge operation of the residual water is provided on the tray table or the instrument holder for assistants. To the doctor table, the surgeon cabinet with spitons, the assistant cabinet, the tray table with the holder for holding the surgeon's instrument, and the assistant cabinet A residual water discharge method in the water supply line of each instrument in a medical device having a holder for holding an instrument for an assistant,
Installing a water discharge tray having an insertion hole into which the instrument for the surgeon can be inserted in the spitton, and inserting the instrument for the operator into the insertion hole;
Inserting the assistant instrument into an instrument insertion hole of a cleaning tank installed in the assistant cabinet;
By operating the switch, new water is supplied to these water supply lines from the common water source and the main water supply line connected to the water supply line of the instrument for the surgeon and the water supply line of the instrument for the assistant. A method for draining residual water in a medical device, comprising the step of feeding and discharging residual water in these water supply pipes simultaneously or sequentially to the spitons and washing tanks. To the doctor table, the surgeon cabinet with spitons, the assistant cabinet, the tray table with the holder for holding the surgeon's instrument, and the assistant cabinet A residual water discharge method in the water supply line of each instrument in a medical device having a holder for holding an instrument for an assistant,
Installing a water discharge tray having an insertion hole into which the instrument for the surgeon can be inserted in the spitton, and inserting the instrument for the operator into the insertion hole;
Inserting the assistant instrument into an instrument insertion hole of a cleaning tank installed in the assistant cabinet;
The air supply line connected to the common water source connected to the water supply line connected to the water supply line of the instrument for the surgeon and the water supply line of the instrument for the assistant by a switch operation. After the water supply from the water source is cut off from the branch pipe, air is pumped to these water supply pipes, and the residual water in these water supply pipes is discharged to the spitons and the washing tank at the same time. A method for discharging residual water from a medical device. In the residual water discharge method of the medical device according to claim 8 or 9,
The instrument for an assistant includes a water supply syringe connected to a main water supply line, and a suction syringe connected to a suction source via a vacuum tank, and the residual water in the water supply line of the water supply syringe is A method for discharging residual water of a medical device, wherein when discharging to a cleaning tank, the drainage discharged to the cleaning tank is sucked by a suction syringe to clean the pipe of the suction syringe.

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