CN2905047Y - A medical spray gun with a plurality of spray modes - Google Patents
A medical spray gun with a plurality of spray modes Download PDFInfo
- Publication number
- CN2905047Y CN2905047Y CNU200620080007XU CN200620080007U CN2905047Y CN 2905047 Y CN2905047 Y CN 2905047Y CN U200620080007X U CNU200620080007X U CN U200620080007XU CN 200620080007 U CN200620080007 U CN 200620080007U CN 2905047 Y CN2905047 Y CN 2905047Y
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- change
- spray
- nozzle
- current
- diversion rod
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Abstract
The utility model relates to a medical spray gun, in particular to a medical spray gun with a plurality of spray modes. The medical spray gun with a plurality of spray models includes a nozzle with three spray holes, a converter handle with three tap holes which can be respectively communicated with the nozzle, and a diversion bar communicated with the tap holes. The model totally makes up for insufficiency of the past spray gun or nozzle structure and can match with medical disinfectant generators, which help greatly shorten the time for treating the injuries of patients, reduce their pains and possibilities of infection, can treat the injuries conveniently and thoroughly, reduce the workload and labor intensity of the medical staff, and is very suitable for such applications.
Description
One. technical field
This utility model relates to a kind of medical spray gun, particularly a kind of medical multiple spray type spray gun.
Two. background technology
Traditional wound irrigation and disinfection way has simple and easy rinsing bottle flushing, the flushing of ball squash type, sterilization change drug bowl to pour flushing into, takes the photograph son folder cotton balls scouring etc.Because the flushing liquor flow velocity is low, causes flushing not thorough easily, to complicated wound or than gash the place that does not flush is arranged, add that crimson blood and disinfectant solution are difficult for recovery etc., cause and use inconvenience.Because disinfection is not thorough, causes wound infection easily, brings misery to the patient.
Therefore, adopt adjustable spray gun that wound is carried out the pressure type flushing, become a kind of reasonable selection mode.Require spray gun to have multiple spray regimes such as atomizing, fluid column stream and fan-shaped stream, different pressures and flow with spray regime also can be regulated, can adjust adaptation to spray regime, pressure and the flow of spray gun at the degree of adhesion of diverse location, area size, depth degree, crimson blood or the foreign body of wound, simple to operate, the efficient of cleaning improves greatly, and sterilization and sterilization effects are also better.
According to the drop size degree of spray gun (nozzle) ejection, spray regime mainly is divided into spraying, spray and fluid column and flows three kinds.Developed a variety of spray guns (nozzle) at present, characteristics have respectively been arranged.
The nozzle that has a class to develop, its cap of spraying nozzle and built-in cyclone are by thread connection, and the spacing that can come moving nozzle hole and cyclone by the swivel nozzle medicated cap makes the mode of spraying discharge opeing become the form that spraying or spray or fluid column are flowed.But its range of accommodation to fluid flow and pressure is smaller, and occurs the situation of leakage liquid easily in the process of regulating screw thread, and can only realize the spraying and the spray mode of conical hollow.
The nozzle that has a class to develop, its cap of spraying nozzle inwall has several (mostly being three) straight guiding gutter, be close to and be intervally distributed with the straight guiding gutter of same quantity and the oblique eddy flow groove of same quantity on the interior cyclone of cap of spraying nozzle in twos, angle by the swivel nozzle medicated cap, can make straight guiding gutter on the cap of spraying nozzle be aligned in the level and smooth place of the oblique eddy flow groove of cyclone, straight guiding gutter or slotless respectively, make the spout place can be in hollow spray cone, fluid column stream or closed condition respectively like this.This class nozzle can only be realized hollow taper and two kinds of atomizes of fluid column stream, and its flow can not be regulated and control.
Other a variety of nozzles exist or volume is too big, manually-operated is inconvenient, and perhaps spray regime can not be regulated, perhaps shortcoming such as expulsion pressure and flow inconvenience adjustment.
And above various nozzles all have only connecting of liquid line with its fluid pressure generation equipment, and do not have electric connection, are not easy to realize the automatic control and the adjusting of electromechanical integration.
The above-mentioned nozzle that these have developed all exists all inconvenience for medical applications.
Three. summary of the invention
The purpose of this utility model overcomes the defective of existing nozzle and lance technology exactly, and a kind of modern medical applications that is suitable for is provided, and more is applicable to tissue or wound are cleaned, sterilization, debridement, the spray gun that the purposes aspect is used such as washed away.
This utility model is realized by following measure:
Medical multiple spray type spray gun of the present utility model includes
Nozzle, described nozzle are divided into several straight spray orifices, and the fan-shaped spray apertures of nozzle periphery and the formation of change of current handle junction of circular array around the spray holes that is positioned at the center, the spray holes;
Change of current handle, the front end of described change of current handle is connected with nozzle by screw thread, three tap holes are arranged in the change of current handle, and the front end of three tap holes communicates with the spray holes of nozzle, straight spray orifice, spray apertures respectively, and the rear end of three tap holes communicates with the front end of pod apertures in the diversion rod respectively;
Diversion rod, have in the described diversion rod one can be respectively with change of current handle on three pod apertures that tap hole communicates.
Medical multiple spray type spray gun of the present utility model can be realized the change of current by rotating in a circumferential direction of change of current handle, also has following technical characterictic:
The rear end of three tap holes of described change of current handle is distributed on the concentric circular; The front end of the pod apertures in the diversion rod is positioned on the concentric circular of same diameter; Also comprise
The cover T-Ring, its rear end is socketed on the front end of diversion rod, and front end is connected by the rear end of screw thread with change of current handle;
Change of current cover is fixed in the rear end of change of current handle, and is embedded with permanent magnet;
Circuit board has the hall position sensor that can carry out location sensitive with permanent magnet on the circuit board, and the microswitch that is connected with the control system of liquid generating means.Functions such as microswitch can be given expulsion pressure, Flow-rate adjustment or unlatching, closes, time-out.The PLC control system that the signal of telecommunication is given the liquid Pressure generator is sent in the position of the permanent magnet of inlaying in the boss that hall position sensor can the perception change of current puts, and produces functions such as sound and demonstration.
Above-mentioned spray gun of the present utility model, for convenience, realize that the change of current, diversion rod are with a switch cover exactly, the front end face of switch cover contacts with the rear end face that the change of current is overlapped; The front end face of switch cover has an elongated hole, and spring and ejector pin are housed in the hole; The rear end face of change of current cover is distributed with three spherical pits, and the diameter of pit is identical with the hemisphere diameter of ejector pin termination.
Above-mentioned spray gun of the present utility model for better sealing, is connected by sealing gasket with holes between nozzle and the change of current handle; Diversion rod is connected with a big O type circle by two little O type circles between the T-Ring with cover.
Medical multiple spray type spray gun of the present utility model, also can by change of current arbor to mobilely carry out the change of current, also have following technical characterictic: the rear end of three tap holes on the change of current handle is axial distribution; Pod apertures on the diversion rod communicates with three tap holes by moving axially respectively.
This utility model has thoroughly remedied the deficiency of spray gun in the past or nozzle arrangements, can cooperate with the medical disinfectant generating means, is used for the cleaning of various wounds.Can free adjustment pressure and flow, during high-pressure high-flow wound is carried out pressure washing and massage, remove the clot and other dirt that attach at wound skin ulcer face, can as the manual wiping wound of things such as absorbent cotton, not cause patient's wound pain; The sterilization that can carry out disinfection apace during the low pressure low discharge is saved the operating time and is reduced the consumption of wound cleanout fluid, handled easily; In flow be used for the flushing and the sterilization of common wound under the relatively clean situation of wound surface, speed is faster, save time.Also can regulate flow according to the size of wound area.More than these shorten patient's treatment of wounds time greatly, reduce patient's the misery and possibility of infection, can compare treatment of wounds completely easily, reduced workload and labor intensity to the medical worker, very suitable this type of application.
Four. description of drawings
Fig. 1 is the perspective view of embodiment 1.
Fig. 2 is the perspective exploded view of embodiment 1, comprises following parts:
Fig. 3 is the cutaway view of embodiment 1 nozzle.The double-decker of nozzle (1) as can be seen among the figure, the spray holes at its center (1-1) are used for spraying; And the off-center annular spread, with spaced 3 the straight spray orifices of center spray holes (1-2); Nozzle (1) forms spray apertures (1-3) with change of current handle (4) threaded connection place.
Fig. 4 is the perspective view (demonstration rear end face) of embodiment 1 change of current handle.Fig. 5 is the perspective view (demonstration front end face) of embodiment 1 change of current handle.Three independent tap holes (4-1,4-2,4-3) of change of current handle (4) as can be seen from Fig. 4 and Fig. 5.Rear end in change of current handle (4), tap hole (4-1,4-2,4-3) off-centre are 90 degree and are spaced on a concentric circular, and are furnished with two little O type ring recess and a big O type ring recess (see figure 4) respectively.The front end of change of current handle (4), tap hole (4-1) is incorporated into the center of change of current handle (4) by a straight trough, and tap hole (4-2) and tap hole (4-3) invariant position.Like this, the spray holes (1-1) that liquid stream by tap hole (4-1) will flow to nozzle (1) center sprays with Sprayable, liquid stream by tap hole (4-2) will flow to the straight spray orifice (1-2) of nozzle (1) with the streamed ejection of powerful fluid column, and the liquid stream by tap hole (4-3) will flow to the form ejection of the spray apertures (1-3) of nozzle (1) and change of current handle (4) connection place with fan-shaped spray.
Fig. 6 is the perspective view of diversion rod.The eccentric pod apertures of diversion rod (10) front end be positioned at change of current handle (4) on the circumference of three same diameters of tap hole on, the Mus tail joint of rear end is connected with liquid feed liquor pipeline.Diversion rod (12) and change of current handle (4) be when relatively rotating like this, and pod apertures can order align with three tap holes on the change of current handle (4), liquid is imported different channel paths, the variation of realization spray pattern.Two through holes of diversion rod square bar part are to be used for installing location microswitch (11).
Fig. 7 is the perspective view of cover T-Ring (7).The front end sleeve of diversion rod (10) is in the rear end of cover T-Ring (7), and after the rear end external screw thread of change of current handle (4) and the degree of tightness appropriateness that the female thread that overlaps T-Ring (7) front end connects, change of current handle (4) just can be adjacent to diversion rod (10) and can slide relatively.
Fig. 8 is the perspective view of change of current cover (8).Change of current cover (8) blocks change of current handle (4) and is enclosed within the outside of T-Ring (7), can drive the rotation of change of current handle (4), and avoids its thread connection loosening again.The groove of change of current cover (8) outer surface is the rotation of controlling for the ease of staff.The projection of change of current cover (8) can rise its direction of rotation and position and guide and position-limiting action, and embedded permanent magnet (9) be used for circuit board (12) on the hall position sensor induction.
Fig. 9 is the perspective view of switch cover (13).Switch cover (13) front end also is enclosed within the rear end of T-Ring (7) and relative with change of current cover (8), and the step on the switch cover (13) can limit the position of rotation of change of current cover (8) convex platform.Hold spring (14) and ejector pin (15) in the hole of step bottom, will produce the feel of stagnation when making ejector pin (15) withstand in the respective dimple of change of current cover (8).Microswitch (11) and circuit board (12) also are placed in the switch cover (13).Button (16) places in the top-portion apertures of switch cover (13), can depress the plunger of two microswitch (11) and produce the signal of telecommunication, electrical signal conduction is given the PLC of liquid generating means (disinfectant generating apparatus), can invest adding, subtract and regulating or multiple functions such as switch of pressure, flow.
Figure 10 is the structural representation of the diversion rod of embodiment 2;
Figure 11 is the structural representation of the change of current handle of embodiment 2;
Figure 12 is the diversion rod of embodiment 2 and the structural representation of three kinds of fit systems of change of current handle.
Among the figure, 1, nozzle, 1-1, spray holes, 1-2, straight spray orifice, 1-3, spray apertures, 2, cyclone, 3, sealing gasket, 4, change of current handle, 4-1,4-2,4-3, tap hole, 5, little O type circle, 6, big O type circle, 7, the cover T-Ring, 8, change of current cover, 9, permanent magnet, 10, diversion rod, 11, microswitch, 12, circuit board, 13, switch cover, 14, spring, 15, ejector pin, 16, button, 17, handle, 18, pod apertures outlet, 19, seal groove.
Five. the specific embodiment
The structure of present embodiment such as Fig. 1-shown in Figure 9.
Characteristics of the present utility model are: inside and outside two-layer spray orifice is arranged on nozzle body, at the liquid line of spray gun between the nozzle, set up three independently, can rotate the passages of the inside and outside layer of alignment respective nozzles and three ejections positions, the nozzle outside selectively, thereby realize any variation of three kinds of spray regimes; Simultaneously spray gun connects with the electric of fluid pressure generating means, can be from source that fluid pressure takes place the expulsion pressure of liquid and flow is carried out regulating the control of realization electromechanical integration from zero continuous stepless in the maximum range.
In order to realize function of the present utility model and purpose, designed a kind of double-deck nozzle (1).At the center of nozzle (1) a fine spray holes (1-1) is arranged, be used to produce fine spray effect; Off-center and annular array, 3 straight spray orifices (1-2) of wall are arranged, be used to produce the powerful fluid column stream of boundling jeting effect with centre bore; The periphery of nozzle (1) and change of current handle (4) junction produce spray apertures (1-3), are the 3rd and spray apocenosis passage, produce the effect of fan-shaped spray.
In order to realize function of the present utility model and purpose, designed the change of current handle (4) that three independent tap holes (4-1,4-2,4-3) are arranged in a kind of.The front end of tap hole by sealing gasket (3) respectively with nozzle (1) on spray holes (1-1), straight spray orifice (1-2) and spray apertures (1-3) link.The rear end of tap hole fits tightly with diversion rod (10) front end face by cover T-Ring (7), and the rear end of three tap holes is by two little O type circles (5) and O type circle (6) sealed separation in twos greatly.Change of current handle (4) is linked together by cover T-Ring (7) with diversion rod (10).When manual operations is stuck in change of current cover (8) on the change of current handle (4), when driving change of current handle (4) with relative rotation of diversion rod (10), eccentric pod apertures on the diversion rod can be aimed at three tap hole rear ends respectively, thereby insert the liquid into three different individual injection passages, thereby lead to the different eject positions of nozzle (1).
In order to realize function of the present utility model and purpose, also in the space of diversion rod (10) and switch cover (13), two water proof type microswitch (11) and two hall position sensors have been installed, they are welded on the circuit board (12) jointly.Realize connecting by them with the electric of fluid pressure generator.Functions such as microswitch (11) can be given expulsion pressure, Flow-rate adjustment or unlatching, closes, time-out.The PLC control system that the signal of telecommunication is given the liquid Pressure generator is sent in the position of the permanent magnet of inlaying in the boss of hall position sensor on can perception change of current cover (8) (9), produces functions such as sound and demonstration.
Switch cover (13) is drilled with an elongated hole with change of current cover (8) opposing end faces bottom, and spring (14) and ejector pin (15) are housed in the hole, and the head of ejector pin (15) is hemispherical.When change of current cover (8) rotates to arbitrary place on three eject positions, ejector pin (15) head all can be absorbed in the corresponding spherical shrinkage pool that change of current cover (8) is gone up appropriate position, can produce the feel of moment stagnation this moment, and gear has been arrived in the adjusting that makes the operator perceive spray regime.
The material of nozzle of the present utility model (1), cyclone (2), change of current handle (3), diversion rod parts such as (10), all need select the corrosion that can tolerate disinfectant for use and, include but are not limited to polytetrafluoroethylene (PTFE), polyvinylidene fluoride engineering plastics such as (PVDF) or medical stainless steel etc. the nontoxic medical grade material of human body; The material of sealing gasket (3), little O type circle (5), big O type circle parts such as (6) also need select for use not only anti-disinfectant to corrode but also meet elastomeric material or other soft encapsulant of medical instructions for use, includes but are not limited to fluorubber or silicone rubber etc.
When spray gun used, the liquid that is sprayed entered into spray gun by the Mus tail joint on the diversion rod (10).
Change of current cover (8) indication is in the centre position when the pod apertures on the diversion rod (10) is aimed at the tap hole (4-3) of change of current handle (4), at this moment tap hole (4-1), (4-2) are stopped by little O type circle (5) sealing, liquid is by the outside of tap hole (4-3) flow nozzle (1) in the change of current handle (4), eject by the spray apertures (1-3) of nozzle (1), form the form of fan-shaped spray with the connection place of change of current handle (4).
The pod apertures that rotates to diversion rod (10) when change of current handle (4) and the tap hole (4-2) of change of current handle (4) be when communicating, and liquid has flowed in 3 tap holes that the outer annular of nozzle (1) distributes, with the form ejection of fluid column stream.
The pod apertures that rotates to diversion rod (10) when change of current handle (4) and the tap hole (4-1) of change of current handle (4) are when communicating, and liquid has passed through in the spray holes at flow nozzle (1) center, cyclone (2) back, then with the form ejection of spraying.
When change of current cover (8) rotates to a position at every turn, the Hall element of the last relevant position of circuit board (12) is just sensed the magnetic field of permanent magnet (9), control system to liquid generating means (disinfectant generating apparatus) is sent signal, can produce sound, different functions such as demonstration.
The effect of microswitch (11) also is to send the signal of telecommunication to the control system of liquid generating means (disinfectant generating apparatus), and its function can above fluid flow or the adding, subtract or open and close, various signals such as stop of pressure, and is preestablished by control system.
This utility model function realizes and can also implement by another kind of mode:
The present embodiment embodiment is orthoscopic (direct-push), shown in Figure 10-12: after the liquid that spray enters into spray gun by the Mus tail joint on the diversion rod (10), also can produce different spray regimes by the two axial direction linear slide of change of current handle (4) and diversion rod (10).
Three axial hole (4-1 on the change of current handle (4), 4-2,4-3) near the end of a side opening of diversion rod (10) by axially changing into radially, the end face center in three holes after turning to is on same axial straight line, diversion rod (10) part stretches into change of current handle (4), the pod apertures outlet (18) of diversion rod (10) leading section is by axially becoming radially, pod apertures outlet (18) has seal groove (19), like this, three holes (4-1) on the pod apertures of diversion rod outlet (18) and the change of current handle (4), (4-2), can seal by the sealing ring in the seal groove (19) when (4-3) difference is anastomosing.
Promoting diversion rod (10) axially moves, pod apertures outlet (18) is connected with tap hole (4-3) at first, liquid is by the outside of tap hole (4-3) flow nozzle (1) on the change of current handle (4), eject by the spray apertures (1-3) of nozzle (1), form the form of spray with the connection place of change of current handle (4);
Promote diversion rod (10) pod apertures and hole (4-2) when communicating, liquid has flowed in 3 tap holes that the outer annular of nozzle (1) distributes, and sprays with the form of fluid column stream;
Straight line promotes diversion rod (10) pod apertures and hole (4-1) when communicating, and in the spray holes of liquid through flow nozzle (1) center, cyclone (2) back, then the form with spraying sprays.
By above-mentioned explanation, can understand the structure and the advantage of medical spray type spray gun of the present utility model fully.Certainly, structure disclosed herein just in order to describe this utility model for embodiment.Form, structure or layout, connecting mode to some parts can be done some changes, but still do not deviate from spirit of the present utility model, also should be within protection domain of the present utility model.Scope of the present utility model is limited by the accompanying claims.
Claims (5)
1. a medical multiple spray type spray gun is characterized in that: include
Nozzle (1), described nozzle are divided into several straight spray orifices (1-2), and the fan-shaped spray apertures (1-3) of nozzle (1) periphery and the formation of change of current handle (4) junction of circular array around the spray holes (1-1) that is positioned at the center, the spray holes;
Change of current handle (4), the front end of described change of current handle is connected with nozzle (1) by screw thread, three tap holes (4-1,4-2,4-3) are arranged in the change of current handle (4), the front end of three tap holes communicates with the spray holes of nozzle, straight spray orifice, spray apertures respectively, and the rear end of three tap holes communicates with the front end of pod apertures in the diversion rod (10) respectively;
Diversion rod (10), have in the described diversion rod one can be respectively with change of current handle (4) on three pod apertures that tap hole communicates.
2. spray gun according to claim 1 is characterized in that: the rear end of three tap holes of described change of current handle (4) is distributed on the concentric circular; The front end of the pod apertures in the diversion rod (10) is positioned on the concentric circular of same diameter; Also comprise
Cover T-Ring (7), its rear end is socketed on the front end of diversion rod (10), and front end is connected by the rear end of screw thread with change of current handle (4);
Change of current cover (8) is fixed in the rear end of change of current handle, and is embedded with permanent magnet (9);
Circuit board (12) has the hall position sensor that can carry out location sensitive with permanent magnet (9) on the circuit board (12), and the microswitch (11) that is connected with the control system of liquid generating means.
3. spray gun according to claim 2 is characterized in that: diversion rod (10) is with a switch cover (13), and the front end face of switch cover contacts with the rear end face of change of current cover (8); The front end face of switch cover (13) has an elongated hole, and spring (14) and ejector pin (15) are housed in the hole; The rear end face of change of current cover (8) is distributed with three spherical pits, and the diameter of pit is identical with the hemisphere diameter of ejector pin (15) termination.
4. spray gun according to claim 2 is characterized in that: be connected by sealing gasket with holes (3) between nozzle (1) and the change of current handle (4); Be connected with a big O type circle (6) by two little O type circles (5) between diversion rod (10) and cover T-Ring (7).
5. spray gun according to claim 1 is characterized in that: the rear end of three tap holes on the change of current handle (4) is axial distribution; Pod apertures on the diversion rod (10) communicates with three tap holes by moving axially respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620080007XU CN2905047Y (en) | 2006-01-10 | 2006-01-10 | A medical spray gun with a plurality of spray modes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620080007XU CN2905047Y (en) | 2006-01-10 | 2006-01-10 | A medical spray gun with a plurality of spray modes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2905047Y true CN2905047Y (en) | 2007-05-30 |
Family
ID=38113673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200620080007XU Expired - Lifetime CN2905047Y (en) | 2006-01-10 | 2006-01-10 | A medical spray gun with a plurality of spray modes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2905047Y (en) |
-
2006
- 2006-01-10 CN CNU200620080007XU patent/CN2905047Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20090923 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |