CN209645223U - Auripuncture negative suction system - Google Patents
Auripuncture negative suction system Download PDFInfo
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- CN209645223U CN209645223U CN201920196245.4U CN201920196245U CN209645223U CN 209645223 U CN209645223 U CN 209645223U CN 201920196245 U CN201920196245 U CN 201920196245U CN 209645223 U CN209645223 U CN 209645223U
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- negative pressure
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- holding meanss
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Abstract
Present disclose provides a kind of auripuncture negative suction systems.Auripuncture negative suction system includes hose, negative pressure holding meanss, switch block and handle, hose has puncture needle side interface and negative pressure holding meanss side interface, switch block has operation portion and clamping section, clamping section can between negative pressure holding meanss side interface and puncture needle side interface grip both hose to block the fluid communication between puncture needle side interface and negative pressure holding meanss side interface, operation portion is partially installed in the outside of handle and can operate clamping section and clamping section is made to unclamp hose, negative pressure holding meanss are capable of forming negative pressure and keep negative pressure, negative pressure holding meanss are in fluid communication by negative pressure holding meanss side interface and hose.When implementing auripuncture operation, hydrops in suction drum room can be realized with the one-handed performance suction unit, reduce operating time, improve surgical effect.
Description
Technical field
The utility model relates to the field of medical instrument technology, and in particular to a kind of auripuncture negative suction system.
Background technique
Secretory otitis media is using hydrotympanum and Hearing as the middle ear inflammatory disease of main feature, is otological disease
In common disease and frequently-occurring disease.The cause of disease is mainly that eustachian tube function is bad, and tympanum endocrine cannot be drained to pharyngeal, shape in time
At hydrotympanum.The secretory otitis media bad for effect of conservative treatment, it is a kind of important that auripuncture, which removes hydrotympanum,
Treatment method.
When operation, operator needs to pull auricle on the other hand to expose surgical field of view (visual area) or see using scope (sight glass)
Operative region is examined, then another hand-held puncture needle punctures, and completes to aspirate hydrotympanum after puncturing again, hydrops suction finishes recession
Puncture needle out.
Existing Tympanostomy device includes the combination of puncture needle and injector syringe, and the syringe needle of puncture needle insertion syringe connects
Mouthful, need a hand to hold one hand twitch syringe piston rod of injector syringe after puncture is needled into eardrum negative to generate
Pressure needs both hands operation to complete to achieve the effect that drawing liquid.
Existing Tympanostomy device has the disadvantages that
First, the eardrum surface of a wound can increase because operator grasps shake when syringe aspirates manually；
Second, two hands of operator are occupied, and can not pull auricle, can not see puncture when may cause puncture clearly
Visual area；
Third also needs other people to help using scope in addition to operator.
As it can be seen that existing Tympanostomy device is unfavorable for operating tympanotomy progress, operating time extension will lead to very
It is operated to being unable to complete successfully, it has not been convenient to which clinic is carried out.
Utility model content
In view of the above-mentioned prior art state and make the utility model.The purpose of this utility model is to provide a kind of drums
Membrane puncture negative suction system, one hand can carry out penetrating eardrum and aspirate the operation of hydrops.
A kind of auripuncture negative suction system is provided, the auripuncture negative suction system includes hose, negative pressure guarantor
Device, switch block and handle are held,
The hose has puncture needle side interface and negative pressure holding meanss side interface,
The switch block has operation portion and clamping section, and the clamping section can be in the negative pressure holding meanss side interface
The hose is clamped between the puncture needle side interface to block the puncture needle side interface and negative pressure holding meanss side interface
Between fluid communication, the operation portion is partially installed in the outside of the handle and can operate the clamping section and make institute
It states clamping section and unclamps the hose,
The negative pressure holding meanss are capable of forming negative pressure and keep the negative pressure, and the negative pressure holding meanss pass through described negative
Pressure retaining device side interface and with the hose be in fluid communication,
It, can be in the hose when the clamping section clamps the hose and the negative pressure holding meanss form negative pressure
Interior formation negative pressure,
When forming negative pressure in the hose and operating the operation portion and the clamping section is made to unclamp the hose,
External fluid can enter the hose and the negative pressure holding meanss by the puncture needle side interface.
In at least one embodiment, the handle has accommodating chamber and surrounds the cavity wall of the accommodating chamber, described soft
At least part of pipe is contained in the accommodating chamber,
The clamping section includes spring, the both ends of the spring in the accommodating chamber inner support in the cavity wall, it is described soft
A part of pipe is located between one end and the cavity wall of the spring,
The operation portion includes bracket, and the bracket can press one end of the spring, and the bracket passes through institute
Cavity wall is stated to protrude from the outside of the handle,
When pressing the bracket, the spring is compressed, and the switch block unclamps the hose, when the release branch
When frame, the recoil of spring, the switch block clamps the hose.
In at least one embodiment, the bracket includes pressure cap and at least two pressing levers or pressing tablet, described
Pressure cap has press surface, and one end of the pressing lever or pressing tablet is connected to the pressure cap, the pressing lever or pressing tablet
The other end press the spring, at least two pressing lever or pressing tablet stretch out spaced apart to each other from the pressure cap, institute
Hose is stated to pass through between at least two pressing lever or pressing tablet.
In at least one embodiment, the bracket includes pressing plate, and the pressing plate is elongated, the pressing plate
Across the cavity wall, so that one end of the pressing plate is located at the outside of the handle, the other end of the pressing plate is located at institute
The inside of handle is stated,
The pressing plate is pivotally connected in the outside of the handle and the cavity wall, and one end of the pressing plate is used to be pressed,
The other end of the pressing plate is used to press one end of the spring.
In at least one embodiment, the handle has notch, when the spring is pressed in place so that described soft
When pipe is totally released, a borderless contact of the pressing plate and the notch.
In at least one embodiment, the auripuncture negative suction system includes elbow, and the elbow is described
The outside of handle is connect with the end of the handle, and one end of the elbow connects the puncture needle side interface, the elbow
The other end can install puncture needle, and the ontology of the handle is located at the side of the extended line of the puncture needle.
In at least one embodiment, the negative pressure holding meanss include syringe and negative pressure holder, the injection
The needle hub of device is connect with the negative pressure holding meanss side interface, and the negative pressure holder can be supported on the syringe
To prevent the piston rod close to the syringe between syringe and the piston rod of the syringe.
In at least one embodiment, the negative pressure holder includes holder ontology and convex from the holder ontology
Protrusion out, the protrusion are at least three, and the protrusion is arranged along straight line, and the syringe and the piston rod can be supported in
Two different protrusions.
In at least one embodiment, the auripuncture negative suction system further includes cotton rope, the cotton rope connection
The handle and the negative pressure holder.
In at least one embodiment, the negative pressure holding meanss include blowing up a balloon.
Following technical effect can be at least obtained by technical solution provided by the utility model:
When implementing auripuncture operation, hydrops in suction drum room can be realized with the one-handed performance suction unit, reduce
Operating time improves surgical effect.
Detailed description of the invention
Fig. 1 is the schematic diagram of the first embodiment for the auripuncture negative suction system that the disclosure provides.
Fig. 2 is to show the schematic diagram of the switch block in Fig. 1, shows switch block grip both hose.
Fig. 3 is to show the schematic diagram of the switch block in Fig. 1, shows switch block and unclamps hose.
Fig. 4 is the schematic diagram for showing the auripuncture negative suction system in Fig. 1 and being applied to ear operation.
Fig. 5 is the schematic diagram of the second embodiment for the auripuncture negative suction system that the disclosure provides, and shows switch
Component grip both hose.
Fig. 6 is the schematic diagram of the second embodiment for the auripuncture negative suction system that the disclosure provides, and shows switch
Component unclamps hose.
Fig. 7 is to show the schematic diagram of the clamping section of the switch block in Fig. 5.
Fig. 8 is to show the schematic diagram of the operation portion of the switch block in Fig. 5.
Fig. 9 is to show the front view of the operation portion of the switch block in Fig. 8.
Description of symbols:
1 handle, 10 accommodating chambers, 11 chamber side walls, 110 notches, 12 bottom of chamber walls, 2 elbows, 3 operation portions, 31 pressure caps, 32 are pressed
Compression bar, 33 pressing plate, 331 pressing plate ontologies, 332 bending plate portions, 34 pin joint seats, 35 pin joint seats, 4 springs, 5 hoses, 6 negative pressure are protected
Gripping member, 61 holder ontologies, 62 protrusions, 7 cotton ropes, 8 syringes, 81 syringes, 82 piston rods, 9 puncture needles.
Specific embodiment
The illustrative embodiments of the utility model are described with reference to the accompanying drawings.It should be appreciated that these specific descriptions are only
How to implement the utility model, rather than all feasible sides of exhaustive the utility model for teaching those skilled in the art
Formula, without in limitation the scope of the utility model.
The disclosure provides a kind of auripuncture negative suction system (hereinafter referred to as suction unit), will in ear operation
The suction unit connect with puncture needle and is used.Two specific embodiments of the suction unit are described below.
First embodiment
As shown in Figures 1 to 4, suction unit includes hose 5, negative pressure holding meanss, switch block and handle 1.
In this embodiment, one end of hose 5 is formed as puncture needle side interface, and the other end of hose 5 is formed as negative pressure
Holding meanss side interface.Puncture needle side interface is used to be used for 9 direct or indirect connection of puncture needle, negative pressure holding meanss side interface
It is connect with negative pressure holding meanss, so that puncture needle 9, hose 5, negative pressure holding meanss three can be connected to.
As shown in Figure 1 and Figure 4, handle 1 can be formed as tubular consequently facilitating holding.Handle 1 can also have accommodating chamber
10, accommodating chamber 10 can have tubular, and hose 5 can be passed through from the inside of accommodating chamber 10.Although illustrating the handle 1 of square tube shape
(that is, cross section of handle 1 is square or rectangle), but handle 1 can also be other cylinders such as cylindric or oval tubular
Shape shape.
Handle 1 has the chamber side wall 11 for surrounding accommodating chamber 10 and the bottom of chamber wall 12 positioned at 10 one end of accommodating chamber, bottom of chamber wall 12
Through-hole is offered, hose 5 is located at the side (inside of handle 1) of through-hole and is docked with puncture needle side interface with the through-hole.Logical
The other side (outside of handle 1) in hole has connector, and connector docks with the through-hole and have fluid passage, and connector is used for
It is connect with puncture needle 9.
To form fluid passage on the connection path of puncture needle 9, connector and hose 5.
The material that connector is preferably greater than the hardness of hose 5 by hardness is made, so that connector can make the essence of puncture needle 9
Upper position is fixedly mount to handle 1.For example, connector can be made of rigid plastics or metal.In an optional scheme
In, connector can be integrally formed with handle 1.
Connector can be elbow 2 to have steering-effecting, for example, one end connecting puncture needle 9 of elbow 2, the other end
Handle 1 external connection in the end of handle 1 so that major part (i.e. body part of the handle 1 in addition to end of handle 1
Point) be located at puncture needle 9 extended line side.In this way, handle 1 is not when the suction unit is applied to auripuncture operation
Sight can be blocked.
As shown in Figures 2 and 3, switch block includes operation portion 3 and clamping section, and clamping section is for clamping and unclamping hose 5
A part to block fluid passage between puncture needle side interface and negative pressure holding meanss side interface, specifically, clamping section
Clamp and unclamp the hose 5 between puncture needle side interface and negative pressure holding meanss side interface.
Clamping section may include spring 4, and spring 4 is contained in the accommodating chamber 10 of handle 1, and the both ends of spring 4, which are supported in, encloses
At the cavity wall (chamber side wall 11) of accommodating chamber 10, for example, spring 4 is in compressive state in accommodating chamber 10, so that one end of spring 4 passes through
A part of cavity wall is connected to by hose 5, the other end of spring 4 is connected to and (is preferably fixed to) another part of cavity wall.
Operation portion 3 may include the bracket connecting with one end of spring 4, and bracket may include pressure cap 31 and at least two
Pressing lever 32 or pressing tablet, pressure cap 31 have press surface, and the plane where press surface is vertical with the axis of spring 4.Each pressing
Bar 32 stretches out in parallel with each other from pressure cap 31, the space passed through for hose 5 is formed between each pressing lever 32, hose 5 passes through should
Space and extend between puncture needle side interface and negative pressure holding meanss side interface.
Pressing lever 32 can pass through cavity wall (chamber side wall 11), thus one end of pressing lever 32 handle 1 external connection in
The other end of pressure cap 31, pressing lever 32 is connected to one end of spring 4 in the inside in handle 1.
In this embodiment, the tool of operation portion 3 is there are two pressing lever 32, and correspondingly, cavity wall opens up that there are two for pressing lever
32 apertures passed through.
As shown in figure 4, negative pressure holding meanss may include syringe 8 and negative pressure holder 6.Syringe 8 have syringe 81,
Piston rod 82 and needle hub, needle hub can be connect with negative pressure holding meanss side interface, thus when pulling piston rod 82,
Gas in hose 5 can be sucked, to form negative pressure in hose 5 and syringe 81.
Negative pressure holder 6 may include holder ontology 61 and from holder ontology 61 protrude protrusion 62, protrusion 62 can
To be at least three, protrusion 62 is linearly arranged along the extending direction of holder ontology 61.
After pulling piston rod 82 forms scheduled negative pressure in hose 5 and syringe 81, negative pressure holder 6 can be used
Two protrusions 62 support syringe 81 and piston rod 82 respectively, at this point, length direction of the arragement direction of protrusion 62 along syringe 8.
In this way, can prevent that piston rod 82 is close to syringe 81 and is maintained the negative pressure in hose 5 and syringe 81.
Specifically, holder ontology 61 can be clava, and protrusion 62 can be the sheet stretched out from holder ontology 61
Body, blocks etc..Optionally, protrusion 62 can have the opening with the C font of the form fit of piston rod 82, with more stably
Support syringe 81 and piston rod 82
Every two protrusion 62 all forms negative pressure and keeps protrusion pair, and different negative pressure keeps protrusion to can be used for keeping
Different size of negative pressure.Certainly, negative pressure holder 6 is not limited to the form with multiple protrusions, but can be kept by negative pressure
The length of part 6 determines unique negative pressure (that is, length that piston rod 82 is extracted out from syringe 81)
The suction unit can also include cotton rope 7, and cotton rope 7 connects handle 1 and negative pressure holder 6, can play anti-lost, easy
In the effect of management storage.
As shown in Fig. 2, hose 5 is clamped between spring 4 and cavity wall, soft before being performed the operation using suction unit
Fluid communication between the negative pressure holding meanss side interface and puncture needle side interface of pipe 5 is blocked.
It is followed the steps below with reference to Fig. 4 when carrying out auripuncture operation:
Puncture needle 9 is installed to connector.
Syringe 8 is installed to the negative pressure holding meanss side interface of hose 5.
Operator pulls the piston rod 82 of syringe 8, to flank at the clamped position of hose 5 and negative pressure holding meanss
Negative pressure is formed between mouthful and in the syringe 81 of syringe 8.
After forming scheduled negative pressure, negative pressure holder 6 is pushed into the syringe 81 of syringe 8 from the side of syringe 8
Between piston rod 82, so that piston rod 82 and syringe 81 are abutted with protrusion 62 so that the negative pressure in syringe 8 is able to
It keeps.
Puncture needle 9 is simultaneously pierced into eardrum to operator by drawing auricle (or hand-held endotoscpe), proficiency gripping handle 1 on the other hand.
When confirming that puncture needle 9 punctures in place, operator presses with finger pressure cap 31, at this point, pressure cap 31 is together with pressing
Compression bar 32 moves down to which spring 4 is compressed, and hose 5 is released, and intratympanic hydrops can be sucked and enter from puncture needle 9 soft
Pipe 5 and syringe 8.
Sequence can be interchanged in above each step under the premise of without prejudice to the principle of the disclosure.For example, note can be installed first
Emitter 8 installs puncture needle 9 again.
Second embodiment
Illustrate the second embodiment according to the disclosure referring to Fig. 5 to Fig. 9.For with the portion in first embodiment
The same or similar component of part structure or function marks identical appended drawing reference, and omits and illustrate to these components.
The suction unit that present embodiment provides has following difference compared with the suction unit that first embodiment provides
Place.
As shown in Figure 5 and Figure 6, the operation portion 3 of switch block may include pressing plate 33, and pressing plate 33 has press surface.
Pressing plate 33 can be elongated, and pressing plate 33 can pass through the chamber side wall 11 of accommodating chamber 10, thus one end position of pressing plate 33
Inside handle 1, the other end of pressing plate 33 is located at outside handle 1.
For being pressed by operator, the other end of pressing plate 33 is located at one end and the cavity wall of spring 4 for one end of pressing plate 33
Between with for press pressing spring 4.
As shown in Figure 7 to 9, the cavity wall (chamber side wall 11) of pressing plate 33 and accommodating chamber 10 is pivotally connected, specifically, in cavity wall and
Pressing plate 33 is separately installed with pin joint seat 34,35, two pin joint seats 34,35 by pivot joint axis connection, the axis of drive-connecting shaft with press
Plane where pressing plate 33 is parallel.In this way, pressing plate 33 can turn under pressing effect around drive-connecting shaft when pressing pressing plate 33
It is dynamic.
Pressing plate 33 has pressing plate ontology 331 and bending plate portion 332, the other end of the bending plate portion 332 in pressing plate 33
It is connect with pressing plate ontology 331, bending plate portion 332 is bent from pressing plate ontology 331 to the direction away from pin joint seat 35, drive-connecting shaft
Axis it is parallel with the plate face of the plate face of pressing plate ontology 331 and bending plate portion 332.In this way, when pressing pressing plate 33, bending
It plate portion 332 can be by one end of pressing spring 4.
The chamber side wall 11 of accommodating chamber 10 has notch 110, and notch 110 is located near pin joint seat 34, and pressing plate 33 passes through
The notch 110, when pressing plate 33 is converted between grip both hose 5 and release 5 two working conditions of hose, pressing plate 33 can
It is movable in the span of notch 110.
As shown in figure 5, hose 5 is between spring 4 (bending plate portion 332) and cavity wall before puncture needle 9 is pierced into eardrum
It is clamped, the fluid communication between the negative pressure holding meanss side interface and puncture needle side interface of hose 5 is blocked.
It can be operated in accordance with the following steps with reference to Fig. 6 when confirming that puncture needle 9 punctures in place:
Operator presses with finger pressing plate 33, at this point, pressing plate 33 is compressed around drive-connecting shaft rotation to spring 4, when
When hose 5 is totally released, pressing plate 33 can with a borderless contact of notch 110 and make operator that can not continue to press, grasp
Author is to obtain the prompt of pressing in place, and intratympanic hydrops is sucked and enters hose 5 and syringe 8 from puncture needle 9.
Hose 5 can be silica gel material, rubber material etc., and in other embodiments, hose 5 can also be other materials
Matter, as long as hose 5 meets the following conditions:
First, hose 5 can deform in the case where being sucked and form negative pressure in hose 5；
Second, hose 5 can restore to deform and restore the air pressure in hose 5 to the portion being in fluid communication with hose 5
Part generates swabbing action.
In above-mentioned two embodiment, negative pressure holding meanss are embodied as the group of syringe 8 and negative pressure holder 6
It closes, in other embodiments, negative pressure holding meanss can also be embodied as other, medical to blow up a balloon for example, medical blow up a balloon
Port is connect with negative pressure holding meanss side interface, and the medical sacculus to blow up a balloon will form negative pressure after being extruded within sacculus,
When blocking the fluid communication of port and outside, the negative pressure in sacculus will be maintained.
It should be appreciated that being capable of forming negative pressure and the component that is maintained negative pressure each falls within the protection scope of the disclosure.
It should be appreciated that the hose 5 and negative pressure holding meanss in the application may be integrally formed, for example, using similar doctor
Use blow up a balloon blow up a balloon as negative pressure holding meanss in the case where, hose 5 can with blow up a balloon it is integrally formed.Hose 5 is soft
The a part of of pipe 5 can be made from a different material with blowing up a balloon, or with different wall thickness, thus, it is extruded blowing up a balloon
While realizing that negative pressure keeps function (pumping function) later, hose 5 is easy to be squeezed and block fluid access by spring 4.
In above-mentioned two embodiment, the operation portion 3 of switch block is installed on the outside of handle 1, and (including operation portion 3 is complete
Portion, which is located at the outside of handle 1 and operation portion 3, both had the part being located inside handle 1, it may have positioned at the outside of handle 1
Part), i.e., operation portion 3, which has, protrudes from the bracket outside handle 1 (such as in the first embodiment across accommodating chamber 10
Pressure cap 31 and pressing lever 32, pressing plate 33 in this second embodiment), so that operator can be in the same of gripping handle 1
When operate bracket.
It should be appreciated that bracket is fixedly connected with spring 4, for example, in the first embodiment, the bonding of pressing lever 32 or weldering
It is connected to one end of spring 4, in this second embodiment, the bending plate portion 332 of pressing plate 33 is bonded or is welded in the one of spring 4
End.
As it can be seen that negative pressure holding meanss (syringe 8 and negative pressure holder 6), operation portion 3 and the clamping section of the suction unit
(spring 4) cooperates and handle 1 can be hold by one hand and operate operation when implementing auripuncture operation by clamping and unclamping hose 5
Portion 3 and realize hydrops in suction drum room, this improves procedure efficiency, improves surgical effect.
The concrete condition for being implemented operation using the suction unit is described below:
Under the auxiliary of microscope or head lamp, operator's drawing auricle exposure eardrum or hand-held endotoscpe exposure on the other hand
It is another to hold the suction unit after eardrum, tympanocentesis needle 9 is protruded into external auditory canal, selects to be pierced into below pars tensa membranae tympani, really
After guarantor punctures eardrum, the handle 1 of the suction unit and the operation portion 3 using such as index finger push switch component, 4 quilt of spring are held
Compression, hose 5 are sprung back, and aspirate intratympanic hydrops, drawing liquid using puncture needle 9 under the suction function in hose 5 and syringe 8
After withdraw from puncture needle 9.
It should be appreciated that above embodiment is merely exemplary, it is not used in limitation the utility model.Those skilled in the art
Various modifications and changes can be made to above embodiment under the introduction of the utility model, without departing from the utility model
Range.
Claims (9)
1. a kind of auripuncture negative suction system, which is characterized in that the auripuncture negative suction system includes hose
(5), negative pressure holding meanss, switch block and handle (1),
The hose (5) has puncture needle side interface and negative pressure holding meanss side interface,
The switch block has operation portion (3) and clamping section, and the clamping section can be in the negative pressure holding meanss side interface
The hose (5) is clamped between the puncture needle side interface to block the puncture needle side interface and negative pressure holding meanss to flank
Fluid communication between mouthful, the operation portion (3) are partially installed in the outside of the handle (1) and can operate the clamping
Portion and so that the clamping section is unclamped the hose (5),
The negative pressure holding meanss are capable of forming negative pressure and keep the negative pressure, and the negative pressure holding meanss are protected by the negative pressure
It holds device side interface and is in fluid communication with the hose (5),
It, can be in the hose when the clamping section clamps the hose (5) and the negative pressure holding meanss form negative pressure
(5) negative pressure is formed in,
The clamping section is set to unclamp the hose when forming negative pressure in the hose (5) and operating the operation portion (3)
(5) when, external fluid can enter the hose (5) and the negative pressure holding meanss by the puncture needle side interface.
2. auripuncture negative suction system according to claim 1, which is characterized in that
The handle (1) has accommodating chamber (10) and surrounds the cavity wall of the accommodating chamber (10), and at least one of the hose (5)
Partial volume is contained in the accommodating chamber (10),
The clamping section includes spring (4), the both ends of the spring (4) in the accommodating chamber (10) inner support in the cavity wall,
A part of the hose (5) is located between one end and the cavity wall of the spring (4),
The operation portion (3) includes bracket, and the bracket can press one end of the spring (4), and the bracket passes through
The cavity wall to protrude from the outside of the handle (1),
When pressing the bracket, the spring (4) is compressed, and the switch block unclamps the hose (5), described in release
When bracket, spring (4) rebound, the switch block clamps the hose (5).
3. auripuncture negative suction system according to claim 2, which is characterized in that the bracket includes pressure cap
(31) and at least two pressing levers (32) or pressing tablet, the pressure cap (31) has a press surface, the pressing lever (32) or presses
One end of tabletting is connected to the pressure cap (31), and the other end of the pressing lever (32) or pressing tablet presses the spring (4),
At least two pressing lever (32) or pressing tablet stretch out spaced apart to each other from the pressure cap (31), and the hose (5) is in institute
It states and is passed through between at least two pressing levers (32) or pressing tablet.
4. auripuncture negative suction system according to claim 2, which is characterized in that
The bracket includes pressing plate (33), and the pressing plate (33) is elongated, and the pressing plate (33) passes through the cavity wall,
To which the one end of the pressing plate (33) is located at the outside of the handle (1), the other end of the pressing plate (33) is located at described
The inside of handle (1),
The pressing plate (33) is pivotally connected in the outside of the handle (1) and the cavity wall, and one end of the pressing plate (33) is used for
It is pressed, the other end of the pressing plate (33) is used to press one end of the spring (4).
5. auripuncture negative suction system according to claim 4, which is characterized in that the handle (1) has notch
(110), when the spring (4) is pressed in place so that the hose (5) is totally released, the pressing plate (33) lacks with described
One borderless contact of mouth (110).
6. auripuncture negative suction system according to claim 1, which is characterized in that the auripuncture negative-pressure ward
Device includes elbow (2), and the elbow (2) connect in the outside of the handle (1) with the end of the handle (1), described curved
One end of head (2) connects the puncture needle side interface, and the other end of the elbow (2) can install puncture needle (9), the handle
(1) ontology is located at the side of the extended line of the puncture needle (9).
7. auripuncture negative suction system according to claim 1, which is characterized in that the negative pressure holding meanss include
The needle hub of syringe (8) and negative pressure holder (6), the syringe (8) is connect with the negative pressure holding meanss side interface,
The negative pressure holder (6) can be supported on the syringe (81) of the syringe (8) and the piston rod (82) of the syringe (8)
Between to prevent the piston rod (82) Xiang Suoshu syringe (81) close.
8. auripuncture negative suction system according to claim 7, which is characterized in that negative pressure holder (6) packet
It includes holder ontology (61) and from the protrusion (62) that the holder ontology (61) is protruded, the protrusion (62) is at least three,
The protrusion (62) is arranged along straight line, and it is described convex that the syringe (81) and the piston rod (82) can be supported in different two
Portion (62).
9. auripuncture negative suction system according to claim 7, which is characterized in that the auripuncture negative-pressure ward
Device further includes cotton rope (7), and the cotton rope (7) connects the handle (1) and the negative pressure holder (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920196245.4U CN209645223U (en) | 2019-02-14 | 2019-02-14 | Auripuncture negative suction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920196245.4U CN209645223U (en) | 2019-02-14 | 2019-02-14 | Auripuncture negative suction system |
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| CN209645223U true CN209645223U (en) | 2019-11-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109674580A (en) * | 2019-02-14 | 2019-04-26 | 中国医学科学院北京协和医院 | Auripuncture negative suction system |
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2019
- 2019-02-14 CN CN201920196245.4U patent/CN209645223U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109674580A (en) * | 2019-02-14 | 2019-04-26 | 中国医学科学院北京协和医院 | Auripuncture negative suction system |
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