CN109172140A - For the crossover connection in auripuncture, Injection in Tympanic Cavity medical device - Google Patents
For the crossover connection in auripuncture, Injection in Tympanic Cavity medical device Download PDFInfo
- Publication number
- CN109172140A CN109172140A CN201810917888.3A CN201810917888A CN109172140A CN 109172140 A CN109172140 A CN 109172140A CN 201810917888 A CN201810917888 A CN 201810917888A CN 109172140 A CN109172140 A CN 109172140A
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- closure part
- base tube
- injection
- tube
- wall
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
- A61F11/20—Ear surgery
- A61F11/202—Surgical middle-ear ventilation or drainage, e.g. permanent; Implants therefor
-
- A61M1/0023—
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/84—Drainage tubes; Aspiration tips
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/06—Head
- A61M2210/0662—Ears
- A61M2210/0668—Middle ear
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/06—Head
- A61M2210/0662—Ears
- A61M2210/0675—Eustachian tube
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Surgery (AREA)
- Vascular Medicine (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Biophysics (AREA)
- Otolaryngology (AREA)
- Psychology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of crossover connections in auripuncture, Injection in Tympanic Cavity medical device, including base tube and the sealing plate for being fixed at base tube one end；One side of sealing plate is equipped with the first closure part and the second closure part, and another side of sealing plate is equipped with the inner tube being located in base tube lumen；The inner wall clamping of the outer wall and base tube of inner tube forms the first working chamber, the second working chamber of segment dislocation of inner tube；First closure part is equipped with four first conversion holes being connected to the first working chamber, and the second closure part is equipped with four second conversion holes being connected to the second working chamber；Base tube is on the inner wall of its open at one end namely base tube is far from one end inner wall of sealing plate, equipped with the four longitudinally guiding sliding slots extended along base tube centerline direction；Elastic component there are four setting on the tube wall of inner tube, each elastic component includes towards inner tube lumen convex outstanding.The present invention and the cooperation of external component are, it can be achieved that functions such as conversion, anti-misoperation between binary channels.
Description
Technical field
The invention belongs to ear nose larynx technical field of medical equipment, and in particular to one kind is used for auripuncture, Injection in Tympanic Cavity
Crossover connection in medical device.
Background technique
Secretory otitis media is using hydrotympanum and Hearing as the middle ear inflammatory disease of main feature.The cause of disease is mainly
Obstruction of eustachian tube, tympanum endocrine cannot be drained to pharyngeal, formation hydrotympanum.Hydrotympanum is mostly omission timber, diffusate
With the mixture of juice.Removing hydrotympanum is the key that treatment secretory otitis media.Hydrotympanum is sucked out in tympanotomy
It is the most common treatment method of tympanitis, it is simple and easy.Wherein, when treating secretory otitis media, after conventional tapping
Need second of inserting needle injection, form two holes sometimes, when injection drug from another pin hole reflux to eardrum outside；In addition, secondary
Puncture also can making patients puncture pain.
CN105496644A discloses a kind of auripuncture, Injection in Tympanic Cavity medical device, comprising: the first sting device,
Second sting device and suction unit, the first sting device include puncture needle and first connector, the second sting device packet
Injection needle and second connector are included, suction unit includes negative pressure mechanism and third connector；When by puncture needle and injection needle
It, can be by the third connector of suction unit and the when needing to aspirate intratympanic hydrops after being inserted into the tympanum of patient
Second connector of two sting devices is spirally connected；When needing to Injection in Tympanic Cavity medical fluid, the third of suction unit can be connected
Head is screwed out from the second connector, and the 4th connector of injection device is screwed into the second connector.
The medical device has the advantage that since second puncture needle is set in inside first puncture needle, when the first puncture
When the eardrum of pin puncture patient, the second puncture needle that first puncture needle can drive it internal also punctures the eardrum of patient, and first
Both puncture needle and second puncture needle are only formed with a puncturing hole on the eardrum of patient, when needing to aspirate intratympanic hydrops
Or when needing to Injection in Tympanic Cavity medical fluid, it is only necessary to select corresponding connector (third connector or the 4th connector) and second
Connector connection, forms two holes on eardrum without secondary puncture and causes outside medical fluid reflux to eardrum, secondary will not wear
It pierces and increases the pain punctured to patient.
But the medical device also have the following deficiencies place: when suction hydrops and injection two kinds of functional status of drug it
Between when converting, after needing to disassemble a sting device, can just load onto another sting device, operate relatively complicated；Separately
When outside due to conversion operation, the syringe needle of injection needle and puncture needle also extends through eardrum and is located in tympanum, and so cumbersome function turns
Operation is changed, the shake because of hand is easy, syringe needle is caused accidentally to prick other positions in ear.
Applicant is preceding applying for a kind of auripuncture, Injection in Tympanic Cavity medical device, can be realized without dismounting
It completes suction hydrops and injects the conversion of two kinds of functional status of drug, but there is also following deficiencies: due to the treatment of the illness
Process is essentially all first to aspirate to inject afterwards, although prompt information can be arranged on syringe, due to not having anti-misoperation machine
Structure, cause user of service still may the operation error in operating process, namely occur first inject the malfunction aspirated afterwards.
Summary of the invention
The object of the present invention is to provide a kind of for turning in fool proof auripuncture, Injection in Tympanic Cavity medical device
Change pipe.
Realizing the technical solution of the object of the invention is: a kind of for turning in auripuncture, Injection in Tympanic Cavity medical device
Pipe is changed, including base tube and the sealing plate for being fixed at base tube one end；One side of sealing plate is equipped with the first closure part and second and blocks
Portion, another side of sealing plate are equipped with the inner tube being located in base tube lumen；The inner wall clamping of the outer wall and base tube of inner tube forms first
Working chamber, the second working chamber of segment dislocation of inner tube；First closure part is equipped with four first turn be connected to the first working chamber
Hole is changed, the second closure part is equipped with four second conversion holes being connected to the second working chamber；Inner wall of the base tube in its open at one end
On namely base tube far from one end inner wall of sealing plate, equipped with the four longitudinally guiding sliding slots extended along base tube centerline direction；It is interior
Elastic component there are four setting on the tube wall of pipe, each elastic component includes towards inner tube lumen convex outstanding.
Above scheme is further preferably: four first conversion holes are annular in shape to be evenly distributed on the first closure part,
Four second conversion holes are annular in shape to be evenly distributed on the second closure part.
Above scheme is further preferably: each elastic component is made by being punched inner pipe wall.
Above scheme is further preferably: the first closure part and the second closure part are equipped with sealing surface.
Above scheme is further preferably: the first closure part and the second closure part clamping formation one and the second slip pipe are suitable
The annular groove matched.
Above scheme is further preferably: base tube and sealing plate are made by being integrally formed.
Above scheme is further preferably: the periphery wall of base tube is equipped with guide ledges.
Above scheme is further preferably: the shape of the first working chamber radial section is annular, and the second working chamber is radial
The shape in section is round.
Above scheme is further preferably: four open-works being arranged on the inner pipe wall of crossover connection, elastic component is located at open-work
Between sealing plate.
The present invention has the effect of positive: (1) being suitable for fool proof auripuncture, Injection in Tympanic Cavity medical device
In, cooperate with external component, it can be achieved that functions such as conversion, anti-misoperation between binary channels.
Detailed description of the invention
Fig. 1 is a kind of schematic perspective view of the invention；
Fig. 2 be Fig. 1 shown in crossover connection from another angle when a kind of schematic perspective view；
Fig. 3 is a kind of half-section diagram of crossover connection shown in Fig. 1；
Fig. 4 is using a kind of schematic perspective view for injecting medical device made of crossover connection shown in Fig. 1；
Fig. 5 is a kind of half-section diagram of injection medical device shown in Fig. 4；
Fig. 6 is a kind of explosive view of injection medical device shown in Fig. 4；
Fig. 7 is a kind of explosive view when injecting medical device shown in Fig. 4 from another angle；
Fig. 8 is a kind of half-section diagram of connector in injection medical device shown in Fig. 4；
Fig. 9 is a kind of half-section diagram of first piston in injection medical device shown in Fig. 4；
Figure 10 is a kind of half-section diagram of second piston in injection medical device shown in Fig. 4.
Appended drawing reference are as follows: the first syringe needle 1, the first connecting tube 11, the first contact pin 12, first passage 13, the second syringe needle 2, the
Two connecting tubes 21, the second contact pin 22, second channel 23, first piston 3, the first sealing-plug 31, the first pull handle 32, longitudinally guiding limit
Position plate 321, longitudinally guiding positioning plate 322 unlock notch 323, accommodate notch 33, elastic clamping hook 34, and elastic arm 341 hooks tooth
342, second piston 4, the second sealing-plug 41, the second pull handle 42, annular block machine 421, gap 422, connector 5, substrate 51, first
Through-hole 511, the second through-hole 512, the first convex pipe 52, the second convex pipe 53, the first slip pipe 54 are oriented to groove 541, are oriented to notch 542,
Second slip pipe 55, crossover connection 6, base tube 61, longitudinally guiding sliding slot 611, sealing plate 62, the first closure part 63, the first conversion hole 631,
Second closure part 64, the second conversion hole 641, inner tube 65, elastic component 651, convex 652, open-work 653, the first working chamber 66, second
Working chamber 67, annular groove 68, guide ledges 69.
Specific embodiment
(embodiment 1, crossover connection)
The present embodiment is a kind of crossover connection in auripuncture, Injection in Tympanic Cavity medical device, should as shown in Fig. 1 to Fig. 3
Crossover connection 6 includes base tube 61 and the sealing plate 62 for being fixed at base tube one end；One side of sealing plate is equipped with 63 He of the first closure part
Second closure part 64, another side of sealing plate are equipped with the inner tube 65 being located in base tube lumen；The outer wall of inner tube and the inner wall of base tube
Clamping forms the first working chamber 66, the second working chamber of segment dislocation 67 of inner tube；First closure part is equipped with and the first working chamber
Four first conversion holes 631 of connection, the second closure part are equipped with four second conversion holes 641 being connected to the second working chamber.
Four first conversion holes are annular in shape to be evenly distributed on the first closure part, and four second conversion holes are annular in shape to be evenly distributed on
On second closure part.
Base tube is on the inner wall of its open at one end namely base tube is far from one end inner wall of sealing plate, is equipped with along base tube center
Four longitudinally guiding sliding slots 611 that line direction extends.Set on the tube wall of inner tube there are four elastic component 651, each elastic component include to
Inner tube lumen convex 652 outstanding.In the present embodiment, each elastic component is made by being punched inner pipe wall.
First closure part and the second closure part are equipped with sealing surface.
First closure part and the second closure part clamping form the annular groove 68 of one and the second slip pipe adaptation.
In the present embodiment, base tube and sealing plate are made by being integrally formed.
Base tube drives sealing plate and its first conversion hole and the second conversion hole rotation.
The periphery wall of base tube is equipped with guide ledges 69.
The shape of first working chamber radial section is annular, and the shape of the second working chamber radial section is round.
Four open-works 653 are set on the inner pipe wall of crossover connection, and elastic component is between open-work and sealing plate.
The present embodiment cooperates suitable for fool proof auripuncture, Injection in Tympanic Cavity medical device with external component,
The functions such as conversion, anti-misoperation between binary channels can be achieved.
(embodiment 2, injection medical device)
The present embodiment is a kind of fool proof auripuncture made of above-described embodiment 1, Injection in Tympanic Cavity medical device,
As shown in Fig. 4 to Figure 10, including the first syringe needle 1, the second syringe needle 2, first piston 3, second piston 4 and channel converter.
As shown in Fig. 4 to Figure 10, the first syringe needle includes the first connecting tube 11 and the first contact pin 12；Second syringe needle includes second
Connecting tube 21 and the second contact pin 22；Second syringe needle is set in the cavity of the first syringe needle, and it is logical that the cavity of the second syringe needle forms second
Road 23 forms first passage 13 between the outer wall of second syringe needle and the inner wall of the first syringe needle.
Channel converter includes connector 5 and crossover connection 6.
Connector includes substrate 51, the first convex pipe 52, the second convex pipe 53 of one side of substrate is arranged in, and be arranged in base
The first slip pipe 54, the second slip pipe 55 of another side of plate；Second convex pipe is located in the lumen of the first convex pipe, the first convex pipe and first
Connecting tube is tightly connected, and the second convex pipe and the second connecting tube are tightly connected；Substrate is equipped with four first be connected to first passage
Through-hole 511 and four the second through-holes 512 being connected to second channel；Second slip pipe is located in the lumen of the first slip pipe.
Crossover connection includes base tube 61 and the sealing plate 62 for being fixed at base tube one end；One side of sealing plate is equipped with and first is sliding
First closure part 63 of pipe adaptation and the second closure part 64 being adapted to the second slip pipe, another side of sealing plate, which is equipped with, is located at base
Inner tube 65 in pipe lumen；The inner wall clamping of the outer wall of inner tube and base tube forms the first working chamber 66, the segment dislocation of inner tube the
Two working chambers 67；First closure part is equipped with four first conversion holes 631 being connected to the first working chamber, sets on the second closure part
There are four second conversion holes 641 being connected to the second working chamber.Four first conversion holes it is annular in shape be evenly distributed on the first envelope
In stifled portion, four second conversion holes are annular in shape to be evenly distributed on the second closure part.Inner tube and base tube are arranged concentrically.
Base tube is on the inner wall of its open at one end namely base tube is far from one end inner wall of sealing plate, is equipped with along base tube center
Four longitudinally guiding sliding slots 611 that line direction extends.On the tube wall of inner tube, if there are four elastic component 651, each elastic component include to
Inner tube lumen convex 652 outstanding.In the present embodiment, each elastic component is made by being punched inner pipe wall.
In the present embodiment, base tube and sealing plate are made by being integrally formed.
Base tube drives sealing plate and its first conversion hole and the second conversion hole rotation, when the first conversion hole turns to connection first
When through-hole, the second through-hole is blocked in the second closure part；When the second conversion hole turns to the second through-hole of connection, the first closure part is blocked
Firmly first through hole.
The convex pipe clamp of the first convex pipe and second that first through hole is disposed on the substrate closes in space, and the second through-hole is arranged in substrate
On the first convex pipe enclosed space in.
First closure part and the second closure part clamping form the annular groove 68 of one and the second slip pipe adaptation, connector
Second slip pipe is plugged in the annular groove.
First closure part and the second closure part are equipped with the sealing surface being connected on connection head substrate, the sealing surface and substrate
It is slidingly sealed cooperation.
The inner wall of first slip pipe of connector is equipped with the guiding groove 541 of arc, and the guiding groove is along the first slip pipe
Circumferential setting；The periphery wall of base tube is equipped with the guide ledges 69 being located in the guiding groove.The advantages of this structure, is: leading
To boss with the reciprocating rotation of base tube and in guiding groove reciprocating rotation, pass through default first through hole, the second through-hole, first
The position for converting hole and the second conversion hole, may make when guide ledges turn to bottom toward a direction, first through hole and first turn
Hole connection is changed, and the second through-hole and the second conversion hole block；When guide ledges turn to bottom toward other direction, the second through-hole and
Second conversion hole connection, and first through hole and the first conversion hole block；This structure, convenient in suction hydrops and injection drug two
It is converted between kind working condition.
The guiding notch 542 along the setting of the first slip pipe centerline direction is additionally provided on the inner wall of first slip pipe, on connector
Guide ledges and guiding notch interference fit.The advantages of this structure is: base tube and connector can groups in a plug-in manner
Assembly is closed, and operation is relatively simple, and can prevent base tube from falling off during rotation with connector.
The shape of first working chamber radial section is annular, and the shape of the second working chamber radial section is round.
First piston 3 includes the first sealing-plug 31 and the first pull handle 32, and the first sealing-plug and the first pull handle can be along the first works
It reciprocatingly slides as chamber；The outer wall of first pull handle is equipped with the four longitudinally guiding limit plates 321 radially projecting along base tube, and first draws
The inner wall of handle is equipped with the four longitudinally guiding positioning plates 322 radially projecting along base tube；Each longitudinally guiding limit plate is located at corresponding
In one longitudinally guiding sliding slot, on the outer wall of the inner end crimping inner tube of each longitudinally guiding positioning plate；Each longitudinally guiding positioning plate exists
Unlock notch 323 is equipped at adjacent first sealing-plug, which is greater than elastic component edge along the length of base tube centerline direction
Length on base tube centerline direction, so that each elastic component can enter in corresponding unlock notch under external force.
First pull handle, longitudinally guiding limit plate and longitudinally guiding positioning plate integrated injection molding are made.First sealing-plug and the first work
Chamber adaptation, the shape of radial section are annulars；The shape of the radial section of first pull handle is annular, and inner tube passes through first and draws
Handle.The corresponding elastic component setting of each longitudinally guiding positioning plate face.
Second piston includes the second sealing-plug 41 and the second pull handle 42, and the second sealing-plug and the second pull handle can be along the second work
Chamber reciprocatingly slides.Second sealing-plug and the second working chamber adaptation, the shape of radial section are round.Outer wall on second pull handle
It is equipped with the annular block machine 421 of outstanding and inner tube lumen adaptation, gap is equipped between the annular block machine and the second sealing-plug
422, which is greater than length of the convex of elastic component on base tube center position along the length of base tube centerline direction.Work as elasticity
When the convex of part is located in the gap, second piston can move back and forth in certain distance, aspirate medicine to be injected for being discharged
Into the air in the second working chamber when liquid.
The present embodiment working principle is as follows: as shown in Figure 5, the first conversion hole is connected to first through hole at this time, the second conversion
Hole and the second through-hole block, and can carry out suction hydrops operation；Hereafter, after reversing base tube to predetermined angle, the first conversion hole and the
One through-hole blocks, and the second conversion hole is connected to the second through-hole, can carry out injection pharmaceutical practice.So the present embodiment is without dismounting
Achievable suction hydrops and two kinds of liquid medicine injection operations.
In addition, as shown in Figure 5, being pressed at this time by elastic component by the longitudinally guiding positioning plate of first piston, elastic component does not have
Have a reply space, convex by stop annular block machine pass through so that second piston can not carry out action of injection namely this
When no matter base tube either with or without twisting to correct position, second piston all will be unable to carry out action of injection, can only wait until first piston
Complete suction action, and first piston be moved to make unlock 323 face elastic component 611 of notch at, the annular in second piston
Under the motive force of block machine 421, the convex of each elastic component is entered in corresponding unlock notch 323, and second piston could be
It is moved back and forth in inner tube, completes liquid medicine injection operation.So maloperation can be effectively prevented in the present embodiment.
In order to allow user that can judge whether first piston is moved at face elastic component 611, the present embodiment is also turning
It changes and is provided with four open-works 653 on the inner pipe wall of pipe, elastic component is between open-work and sealing plate；It leads each longitudinal direction of first piston
It is additionally provided with to positioning plate and accommodates notch 33 and elastic clamping hook 34, each elastic clamping hook includes and corresponding longitudinally guiding positioning plate phase
Elastic arm 341 even and hook tooth 342 positioned at elastic arm end, it is each hook teeth directional it is prominent towards crossover connection inner tube lumen；Each bullet
Property hook be arranged in it is corresponding one receiving notch opening；When first piston moves back and forth in the first working chamber, such as bullet
When the hook tooth of property hook is crimped on outer wall of inner tube, the unlock notch of first piston is then not aligned with the elastic component in inner tube, respectively
Elastic clamping hook is by inner tube compression rebound into corresponding receiving notch, therefore first piston can smoothly be slided in the first working chamber
It is dynamic；When such as hooking tooth and being moved to the open-work of face inner pipe wall, each tooth that hooks is protruded into a corresponding open-work, at this time the solution of first piston
Also face elastic component, the convex of each elastic component enter in a corresponding unlock notch lock notch, and first piston moves again at this time
When dynamic, the resistance of elastic clamping hook being overcome, needing biggish active force, user, which can understand, to be perceived；In addition, by default
Size between elastic clamping hook and inner pipe wall can also be heard for example when each hook tooth protrudes into a corresponding open-work
The sound of " click " is as prompt tone.
Claims (9)
1. a kind of crossover connection in auripuncture, Injection in Tympanic Cavity medical device, including base tube and it is fixed at base tube
The sealing plate of one end；One side of sealing plate is equipped with the first closure part and the second closure part, and another side of sealing plate, which is equipped with, is located at base tube
Inner tube in lumen；The inner wall clamping of the outer wall and base tube of inner tube forms the first working chamber, and the segment dislocation second of inner tube works
Chamber；First closure part is equipped with four first conversion holes being connected to the first working chamber, and the second closure part is equipped with and the second work
Make four second conversion holes of chamber connection；It is characterized by: base tube is on the inner wall of its open at one end namely base tube is far from sealing plate
One end inner wall on, equipped with the four longitudinally guiding sliding slots extended along base tube centerline direction；There are four being set on the tube wall of inner tube
Elastic component, each elastic component include towards inner tube lumen convex outstanding.
2. the crossover connection according to claim 1 in auripuncture, Injection in Tympanic Cavity medical device, feature exist
In: four first conversion holes are annular in shape to be evenly distributed on the first closure part, four second uniform points for converting holes annularly
Cloth is on the second closure part.
3. the crossover connection according to claim 2 in auripuncture, Injection in Tympanic Cavity medical device, feature exist
In: each elastic component is made by being punched inner pipe wall.
4. the crossover connection according to claim 3 in auripuncture, Injection in Tympanic Cavity medical device, feature exist
In: the first closure part and the second closure part are equipped with sealing surface.
5. the crossover connection according to claim 4 in auripuncture, Injection in Tympanic Cavity medical device, feature exist
In: the annular groove of the first closure part and the second closure part clamping formation one and the second slip pipe adaptation.
6. the crossover connection according to claim 5 in auripuncture, Injection in Tympanic Cavity medical device, feature exist
In: base tube and sealing plate pass through integrally formed be made.
7. the crossover connection according to claim 6 in auripuncture, Injection in Tympanic Cavity medical device, feature exist
In: the periphery wall of base tube is equipped with guide ledges.
8. the crossover connection according to claim 7 in auripuncture, Injection in Tympanic Cavity medical device, feature exist
In: the shape of the first working chamber radial section is annular, and the shape of the second working chamber radial section is round.
9. the crossover connection according to claim 8 in auripuncture, Injection in Tympanic Cavity medical device, feature exist
In: four open-works are set on the inner pipe wall of crossover connection, and elastic component is between open-work and sealing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917888.3A CN109172140A (en) | 2018-08-13 | 2018-08-13 | For the crossover connection in auripuncture, Injection in Tympanic Cavity medical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917888.3A CN109172140A (en) | 2018-08-13 | 2018-08-13 | For the crossover connection in auripuncture, Injection in Tympanic Cavity medical device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109172140A true CN109172140A (en) | 2019-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810917888.3A Pending CN109172140A (en) | 2018-08-13 | 2018-08-13 | For the crossover connection in auripuncture, Injection in Tympanic Cavity medical device |
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|---|---|
| CN (1) | CN109172140A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112206398A (en) * | 2020-11-02 | 2021-01-12 | 津市市人民医院 | Anti-blocking thoracic drainage tube for quick puncture and intubation |
| CN112316221A (en) * | 2020-11-02 | 2021-02-05 | 津市市人民医院 | Coronary vein blood flow drainage device |
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| CN1505535A (en) * | 2001-03-14 | 2004-06-16 | ����ŵ�¿ع�����˾ | Improved non-reusable syringe |
| DE202004016787U1 (en) * | 2003-12-18 | 2004-12-30 | Tecpharma Licensing Ag | Automatic injection unit comprises a release element which is joined to the trigger element so that it moves longitudinally together with the trigger element, and is laterally movable relative to it |
| CN2735998Y (en) * | 2004-07-13 | 2005-10-26 | 林作钱 | Self-destruction injector |
| CN2863145Y (en) * | 2006-01-23 | 2007-01-31 | 中北大学 | Disposable syringe |
| CN104023769A (en) * | 2011-10-21 | 2014-09-03 | 赛诺菲-安万特德国有限公司 | Indicator arrangement for an auto-injector |
| CN107349050A (en) * | 2016-01-23 | 2017-11-17 | 王翠兰 | Auripuncture, Injection in Tympanic Cavity medical treatment device |
| CN106038053A (en) * | 2016-07-05 | 2016-10-26 | 颜繁诚 | Retrobulbar drug injection device |
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| CN112206398A (en) * | 2020-11-02 | 2021-01-12 | 津市市人民医院 | Anti-blocking thoracic drainage tube for quick puncture and intubation |
| CN112316221A (en) * | 2020-11-02 | 2021-02-05 | 津市市人民医院 | Coronary vein blood flow drainage device |
| CN112206398B (en) * | 2020-11-02 | 2022-07-08 | 津市市人民医院 | Anti-blocking thoracic drainage tube for quick puncture and intubation |
| CN112316221B (en) * | 2020-11-02 | 2023-04-07 | 津市市人民医院 | Coronary vein blood flow drainage device |
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