CN107157750A - A kind of locking type Lacrimal passage irrigator and its installation and removal method - Google Patents
A kind of locking type Lacrimal passage irrigator and its installation and removal method Download PDFInfo
- Publication number
- CN107157750A CN107157750A CN201710528559.5A CN201710528559A CN107157750A CN 107157750 A CN107157750 A CN 107157750A CN 201710528559 A CN201710528559 A CN 201710528559A CN 107157750 A CN107157750 A CN 107157750A
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- Prior art keywords
- needle guard
- interstage sleeve
- rear end
- slot
- mouthpiece
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000009434 installation Methods 0.000 title claims abstract description 22
- 238000011010 flushing procedure Methods 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims 1
- 230000008569 process Effects 0.000 description 4
- 230000002262 irrigation Effects 0.000 description 3
- 238000003973 irrigation Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H35/00—Baths for specific parts of the body
- A61H35/02—Baths for specific parts of the body for the eyes
-
- 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
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
- A61M3/0233—Enemata; Irrigators characterised by liquid supply means, e.g. from pressurised reservoirs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2205/00—Devices for specific parts of the body
- A61H2205/02—Head
- A61H2205/022—Face
- A61H2205/024—Eyes
-
- 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
- A61M2207/00—Methods of manufacture, assembly or production
-
- 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
- A61M2210/0612—Eyes
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Biomedical Technology (AREA)
- Anesthesiology (AREA)
- Engineering & Computer Science (AREA)
- Ophthalmology & Optometry (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention provides a kind of locking type Lacrimal passage irrigator and its installation and removal method, belong to field of ophthalmological medical equipment.It solves existing Lacrimal passage irrigator and uses unsafe problem.This locking type Lacrimal passage irrigator includes syringe, front end of the syringe needle has mouthpiece, also include flushing needle, flushing needle includes needle guard and needle tubing, interface pipe outer wall is provided with inlet slot and stopper slot, entrance front of the slot is located at mouthpiece front end, inlet slot rear end is connected by link slot with stopper slot rear end, spacing front of the slot is located in interface pipe outer wall, needle guard inwall is provided with locating piece, and can be by needle guard engagement sleeves incoming interface pipe, locating piece is set to slide into inlet slot rear end from entrance front of the slot, and locating piece is entered spacing front of the slot along link slot, interface pipe outer wall is cased with interstage sleeve, interface pipe outer wall and interstage sleeve inwall are provided with lockable mechanism, and interstage sleeve can be fixed by lockable mechanism, interstage sleeve front end face is set to hold out against needle guard rear end face.This Lacrimal passage irrigator uses safer.
Description
Technical field
The invention belongs to ophthalmic medical instrument technical field, it is related to a kind of locking type Lacrimal passage irrigator and its installation and removal
Method.
Background technology
Irrigation of lacrimal passage is the diagnosis and treatment means of one routine of ophthalmology, it is adaptable to which all ophthalmologic operation patients' is preoperative
Disposal and the diagnosis and treatment of lacrimal passage Disease, irrigation of lacrimal passage need to use special Lacrimal passage irrigator to be entered by puncta
Lacrimal, is rinsed using physiological saline or medicine to lacrimal passage.The Lacrimal passage irrigator clinically used at present, irrigation of lacrimal passage
It is common direct insertion interface between pin and syringe, dacryosyrinx and injection can occurs when lacrimal passage is blocked or pressure increases
The adverse events that device is disengaged, clinically occurred adverse events similar for several times, and such event seriously threatens patient and patient
Safety, puncta is located at palpebra inferior endocanthion, deviates from easily to injure the eyes of patient in the event of flushing needle, while easily injuring
Patient；Flushing liquor certainly will be had after flushing needle abjection to spill, and bring the danger of infection.Other existing flushing needle uses helicitic texture
It is connected with syringe, but flushing needle needs to stretch into lacrimal passage operation in use, and helicitic texture stretching into and operating
Easily flushing needle is set to rotate skew in journey, and using helicitic texture also inconvenience quick-replaceable flushing needle, therefore have must
It is improved.
The content of the invention
The purpose of the present invention be for the above-mentioned problems in the prior art there is provided one kind avoid pressure increase after with
And in operating process flushing needle disengage or offset, and change flushing needle very easily locking type Lacrimal passage irrigator and its install and
Method for dismounting.
The purpose of the present invention can be realized by following technical proposal：A kind of locking type Lacrimal passage irrigator, including syringe,
Front end of the syringe needle has the circular tube shaped mouthpiece with being connected inside syringe, in addition to flushing needle, and flushing needle includes connected circle
Shell-like needle guard and hollow needle tubing, it is characterised in that：Described interface pipe outer wall is provided with the fluting shape inlet slot being parallel to each other and limit
Position groove, entrance front of the slot is located at mouthpiece front end, and inlet slot rear end is connected by shape link slot of slotting with stopper slot rear end, and limit
Position front of the slot is located in interface pipe outer wall, and described needle guard inwall is provided with convex locating piece, and can coordinate be inserted in by needle guard and connect
On mouth pipe, locating piece is slid into inlet slot rear end from entrance front of the slot, and rotate needle guard, locating piece is entered along link slot
Stopper slot rear end, and needle guard is pulled, locating piece is placed in spacing front of the slot, described interface pipe outer wall is cased with shell-like interstage sleeve, and
Interface pipe outer wall and interstage sleeve inwall can move axially interstage sleeve provided with the lockable mechanism cooperated along mouthpiece, and pass through lock
Locking mechanism fixes interstage sleeve, interstage sleeve front end face is held out against described needle guard rear end face.
Needle guard is inserted on mouthpiece by this flusher, and is coordinated using locating piece with inlet slot, stopper slot and link slot, most
Locating piece is set to be placed in spacing front of the slot eventually, spacing front of the slot is located on interface inside pipe wall, so that flushing needle when avoiding the pressure from increasing
Disengaged with syringe, and interstage sleeve front end face holds out against needle guard rear end face, therefore needle guard any direction is all locked out structure, so as to avoid
Flushing needle is offset in operating process, therefore the use of this flusher is safer.
In a kind of above-mentioned locking type Lacrimal passage irrigator, described lockable mechanism includes being located in interface pipe outer wall, and
The regulating tank and lock groove being mutually connected vertically, described regulating tank and mouthpiece diameter parallel, and lock groove rear end and regulation
Front of the slot is connected, in addition to the convex latch being located on interstage sleeve inwall, and can move axially interstage sleeve along mouthpiece, and makes lock
Stops slides into lock groove rear end on regulating tank, and rotates interstage sleeve, latch is entered locking front of the slot, and in mouthpiece axle
Interstage sleeve described in fixation.
Therefore operate quick and convenient, be easy to quick-replaceable flushing needle.
In a kind of above-mentioned locking type Lacrimal passage irrigator, be cased with described mouthpiece two ends respectively with syringe and gear
The compression spring that set rear end face offsets.
Set compression spring can be during flushing needle is changed, interstage sleeve automatically resets, to reduce dismounting difficulty, improve dismounting
Efficiency.
In a kind of above-mentioned locking type Lacrimal passage irrigator, described lockable mechanism include being respectively provided at interface pipe outer wall and
On interstage sleeve inwall, and the external screw thread and internal thread cooperated.
Therefore structure is more stablized after fixing.
In a kind of above-mentioned locking type Lacrimal passage irrigator, described interface pipe outer wall is cased with close with needle guard inner wall sealing
Seal, and described sealing ring is located in the interface pipe outer wall between inlet slot rear end and regulation front of the slot.
Therefore good sealing effectiveness is played.
In a kind of above-mentioned locking type Lacrimal passage irrigator, described needle tubing is the hollow steel needle of middle bent.
A kind of installation and removal method of locking type Lacrimal passage irrigator, it is characterised in that：Including installation method and dismounting side
Method,
Described installation method comprises the following steps：
Step one, interstage sleeve is rotated, latch is located at lock groove rear end；
Step 2, by needle guard engagement sleeves incoming interface pipe, continuous rotatable interface pipe, makes positioning block alignment simultaneously during being inserted in
Into entrance front of the slot, needle guard is promoted, locating piece is slid into inlet slot rear end along inlet slot；
Step 3, rotates needle guard, locating piece is entered stopper slot rear end along link slot；
Step 4, reversely pulls needle guard, locating piece is placed in spacing front of the slot；
Step 5, compression spring withstands interstage sleeve all the time, interstage sleeve front end face is withstood on needle guard rear end face, and latch is located at
Front of the slot is adjusted, interstage sleeve is rotated, latch is entered locking front of the slot, and in the interstage sleeve described in mouthpiece axial restraint, with profit
With interstage sleeve in mouthpiece axial lock needle guard；
Described method for dismounting comprises the following steps：
Step one, interstage sleeve is rotated, latch is located at lock groove rear end；
Step 2, promotes needle guard towards syringe, locating piece is withstood on stopper slot rear end；
Step 3, rotates needle guard, locating piece is entered inlet slot rear end along link slot；
Step 4, reversely pulls and needle guard is pulled up on mouthpiece.
A kind of installation and removal method of locking type Lacrimal passage irrigator, it is characterised in that：Including installation method and dismounting side
Method,
Described installation method comprises the following steps：
Step one, interstage sleeve is rotated, makes interstage sleeve top on the injector；
Step 2, by needle guard engagement sleeves incoming interface pipe, continuous rotatable interface pipe, makes positioning block alignment simultaneously during being inserted in
Into entrance front of the slot, needle guard is promoted, locating piece is slid into inlet slot rear end along inlet slot；
Step 3, rotates needle guard, locating piece is entered stopper slot rear end along link slot；
Step 4, reversely pulls needle guard, locating piece is placed in spacing front of the slot；
Step 5, rotates interstage sleeve, interstage sleeve front end face is held out against needle guard rear end face, to utilize interstage sleeve in mouthpiece axial lock
Needle guard；
Described method for dismounting comprises the following steps：
Step one, interstage sleeve is rotated, makes interstage sleeve top on the injector；
Step 2, promotes needle guard towards syringe, locating piece is withstood on stopper slot rear end；
Step 3, rotates needle guard, locating piece is entered inlet slot rear end along link slot；
Step 4, reversely pulls and needle guard is pulled up on mouthpiece.
Compared with prior art, the invention has the advantages that：
Needle guard is inserted on mouthpiece by this flusher, and is coordinated using locating piece with inlet slot, stopper slot and link slot, most
Locating piece is set to be placed in spacing front of the slot eventually, spacing front of the slot is located on interface inside pipe wall, so that flushing needle when avoiding the pressure from increasing
Disengaged with syringe, and interstage sleeve front end face holds out against needle guard rear end face, therefore needle guard any direction is all locked out structure, so as to avoid
Flushing needle is offset in operating process, therefore the use of this flusher is safer.
Brief description of the drawings
Fig. 1 is this flusher partial sectional view.
In figure,
1st, syringe；11st, mouthpiece；12nd, inlet slot；13rd, stopper slot；14th, link slot；15th, regulating tank；16th, lock groove；
2nd, flushing needle；21st, needle guard；22nd, locating piece；23rd, needle tubing；
3rd, interstage sleeve；31st, latch.
Embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
Embodiment one：
As shown in figure 1, a kind of locking type Lacrimal passage irrigator of the invention, including syringe 1, the front end of syringe 1 has and note
The circular tube shaped mouthpiece 11 of the inside of emitter 1 connection, in addition to flushing needle 2, flushing needle 2 include connected circle shell-like needle guard 21 and sky
Heart needle tubing 23, the outer wall of mouthpiece 11 is provided with the fluting shape inlet slot 12 and stopper slot 13 being parallel to each other, and the front end of inlet slot 12 is located at
The front end of mouthpiece 11, the rear end of inlet slot 12 is connected by shape link slot 14 of slotting with the rear end of stopper slot 13, and the front end of stopper slot 13
On the outer wall of mouthpiece 11, the inwall of needle guard 21 is provided with convex locating piece 22, and can be by the engagement sleeves incoming interface pipe 11 of needle guard 21
On, locating piece 22 is slid into the rear end of inlet slot 12 from the front end of inlet slot 12, and needle guard 21 is rotated, make locating piece 22 along connection
Groove 14 enters the rear end of stopper slot 13, and pulls needle guard 21, locating piece 22 is placed in the front end of stopper slot 13, the outer wall of mouthpiece 11 is cased with
Shell-like interstage sleeve 3, and the outer wall of mouthpiece 11 and the inwall of interstage sleeve 3 are provided with the lockable mechanism cooperated, and can be along mouthpiece 11 axially
Mobile interstage sleeve 3, and interstage sleeve 3 is fixed by lockable mechanism, the front end face of interstage sleeve 3 is held out against the rear end face of needle guard 21.
Further, lockable mechanism includes being located on the outer wall of mouthpiece 11, and the regulating tank 15 and lock being mutually connected vertically
Only groove 16, regulating tank 15 and the diameter parallel of mouthpiece 11, and the rear end of lock groove 16 is connected with the front end of regulating tank 15, in addition to be located at
Convex latch 31 on the inwall of interstage sleeve 3, and interstage sleeve 3 can be moved axially along mouthpiece 11, and make latch 31 in regulating tank
The rear end of lock groove 16 is slid on 15, and rotates interstage sleeve 3, latch 31 is entered the front end of lock groove 16, and in the axle of mouthpiece 11
To fixed interstage sleeve 3.The compression spring that two ends offset with syringe 1 and the rear end face of interstage sleeve 3 respectively is cased with mouthpiece 11.Mouthpiece
11 outer walls are cased with the sealing ring with the inner wall sealing of needle guard 21, and sealing ring is located between the rear end of inlet slot 12 and the front end of regulating tank 15
The outer wall of mouthpiece 11 on.Needle tubing 23 is the hollow steel needle of middle bent.
Needle guard 21 is inserted on mouthpiece 11 by this flusher, and using locating piece 22 and inlet slot 12, stopper slot 13 and is connected
Access slot 14 coordinates, and locating piece 22 is placed in the front end of stopper slot 13, and the front end of stopper slot 13 is located on the inwall of mouthpiece 11, so that
Flushing needle 2 is disengaged with syringe 1 when avoiding the pressure from increasing, and the front end face of interstage sleeve 3 holds out against the rear end face of needle guard 21, therefore needle guard 21
Where to being all locked out structure, so as to avoid flushing needle 2 in operating process from offseting, therefore this flusher use it is safer.
A kind of installation and removal method of locking type Lacrimal passage irrigator, including installation method and method for dismounting,
Installation method comprises the following steps：
Step one, interstage sleeve 3 is rotated, latch 31 is located at the rear end of lock groove 16；
Step 2, by the engagement sleeves incoming interface pipe 11 of needle guard 21, continuous rotatable interface pipe 11, makes locating piece during being inserted in
22 are aligned and enter the front end of inlet slot 12, promote needle guard 21, locating piece 22 is slid into the rear end of inlet slot 12 along inlet slot 12；
Step 3, rotates needle guard 21, locating piece 22 is entered the rear end of stopper slot 13 along link slot 14；
Step 4, reversely pulls needle guard 21, locating piece 22 is placed in the front end of stopper slot 13；
Step 5, compression spring withstands interstage sleeve 3 all the time, the front end face of interstage sleeve 3 is withstood on the rear end face of needle guard 21, and latch
31 are located at the front end of regulating tank 15, rotate interstage sleeve 3, latch 31 is entered the front end of lock groove 16, and in the axial restraint of mouthpiece 11
Interstage sleeve 3, to utilize interstage sleeve 3 in the axial lock needle guard 21 of mouthpiece 11；
Method for dismounting comprises the following steps：
Step one, interstage sleeve 3 is rotated, latch 31 is located at the rear end of lock groove 16；
Step 2, promotes needle guard 21 towards syringe 1, locating piece 22 is withstood on the rear end of stopper slot 13；
Step 3, rotates needle guard 21, locating piece 22 is entered the rear end of inlet slot 12 along link slot 14；
Step 4, reversely pulls and needle guard 21 is pulled up on mouthpiece 11.
Embodiment two：
The present embodiment and embodiment one are essentially identical, and difference is：Lockable mechanism includes being respectively provided at outside mouthpiece 11
On wall and the inwall of interstage sleeve 3, and the external screw thread and internal thread cooperated.
A kind of installation and removal method of locking type Lacrimal passage irrigator, including installation method and method for dismounting,
Installation method comprises the following steps：
Step one, interstage sleeve 3 is rotated, interstage sleeve 3 is withstood on syringe 1；
Step 2, by the engagement sleeves incoming interface pipe 11 of needle guard 21, continuous rotatable interface pipe 11, makes locating piece during being inserted in
22 are aligned and enter the front end of inlet slot 12, promote needle guard 21, locating piece 22 is slid into the rear end of inlet slot 12 along inlet slot 12；
Step 3, rotates needle guard 21, locating piece 22 is entered the rear end of stopper slot 13 along link slot 14；
Step 4, reversely pulls needle guard 21, locating piece 22 is placed in the front end of stopper slot 13；
Step 5, rotates interstage sleeve 3, the front end face of interstage sleeve 3 is held out against the rear end face of needle guard 21, to utilize interstage sleeve 3 in mouthpiece 11
Axial lock needle guard 21；
Method for dismounting comprises the following steps：
Step one, interstage sleeve 3 is rotated, interstage sleeve 3 is withstood on syringe 1；
Step 2, promotes needle guard 21 towards syringe 1, locating piece 22 is withstood on the rear end of stopper slot 13；
Step 3, rotates needle guard 21, locating piece 22 is entered the rear end of inlet slot 12 along link slot 14；
Step 4, reversely pulls and needle guard 21 is pulled up on mouthpiece 11.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although more having used syringe 1, mouthpiece 11, inlet slot 12, stopper slot 13, link slot 14, regulation herein
The terms such as groove 15, lock groove 16, flushing needle 2, needle guard 21, locating piece 22, needle tubing 23, interstage sleeve 3, latch 31, but be not precluded from
Use the possibility of other terms.It is used for the purpose of more easily describing and explaining the essence of the present invention using these terms；
They are construed to any additional limitation and all disagreed with spirit of the present invention.
Claims (8)
1. a kind of locking type Lacrimal passage irrigator, including syringe (1), syringe (1) front end have with being connected inside syringe (1)
Circular tube shaped mouthpiece (11), in addition to flushing needle (2), flushing needle (2) includes connected circle shell-like needle guard (21) and hollow needle
Manage (23), it is characterised in that：Described mouthpiece (11) outer wall is provided with the fluting shape inlet slot (12) and stopper slot being parallel to each other
(13), inlet slot (12) front end is located at mouthpiece (11) front end, and inlet slot (12) rear end passes through shape link slot (14) and the limit of slotting
The connection of position groove (13) rear end, and stopper slot (13) front end, on mouthpiece (11) outer wall, described needle guard (21) inwall is provided with
Convex locating piece (22), and on needle guard (21) engagement sleeves incoming interface pipe (11), can will make locating piece (22) from inlet slot (12)
Front end slides into inlet slot (12) rear end, and rotates needle guard (21), locating piece (22) is entered stopper slot along link slot (14)
(13) rear end, and needle guard (21) is pulled, locating piece (22) is placed in stopper slot (13) front end, described mouthpiece (11) outer wall set
There is shell-like interstage sleeve (3), and mouthpiece (11) outer wall and interstage sleeve (3) inwall are provided with the lockable mechanism cooperated, and can be along interface
(11) axial movement interstage sleeve (3) is managed, and interstage sleeve (3) is fixed by lockable mechanism, interstage sleeve (3) front end face is held out against described needle guard
(21) rear end face.
2. a kind of locking type Lacrimal passage irrigator according to claim 1, it is characterised in that：Described lockable mechanism includes setting
On mouthpiece (11) outer wall, and the regulating tank (15) and lock groove (16) being mutually connected vertically, described regulating tank (15) with
Mouthpiece (11) diameter parallel, and lock groove (16) rear end is connected with regulating tank (15) front end, in addition to it is located at interstage sleeve (3) inwall
On convex latch (31), and interstage sleeve (3) can be moved axially along mouthpiece (11), and make latch (31) in regulating tank
(15) lock groove (16) rear end is slid on, and rotates interstage sleeve (3), makes latch (31) into lock groove (16) front end, and
Interstage sleeve (3) described in mouthpiece (11) axial restraint.
3. a kind of locking type Lacrimal passage irrigator according to claim 2, it is characterised in that：Covered on described mouthpiece (11)
There is the compression spring that two ends offset with syringe (1) and interstage sleeve (3) rear end face respectively.
4. a kind of locking type Lacrimal passage irrigator according to claim 1, it is characterised in that：Described lockable mechanism includes dividing
It is not located on mouthpiece (11) outer wall and interstage sleeve (3) inwall, and the external screw thread and internal thread cooperated.
5. a kind of locking type Lacrimal passage irrigator according to claim 3 or 4, it is characterised in that：Described mouthpiece (11)
Outer wall is cased with the sealing ring with needle guard (21) inner wall sealing, and described sealing ring is located at inlet slot (12) rear end and regulating tank
(15) on mouthpiece (11) outer wall between front end.
6. a kind of locking type Lacrimal passage irrigator according to claim 5, it is characterised in that：Described needle tubing (23) is middle part
The hollow steel needle of bending.
7. a kind of installation and removal method of locking type Lacrimal passage irrigator for described in claim 3, it is characterised in that：Including
Installation method and method for dismounting,
Described installation method comprises the following steps：
Step one, rotation interstage sleeve (3), makes latch (31) be located at lock groove (16) rear end；
Step 2, by needle guard (21) engagement sleeves incoming interface pipe (11), continuous rotatable interface pipe (11), makes positioning during being inserted in
Block (22) be aligned simultaneously enter inlet slot (12) front end, promote needle guard (21), make locating piece (22) along inlet slot (12) slide into
Mouth groove (12) rear end；
Step 3, rotation needle guard (21) makes locating piece (22) enter stopper slot (13) rear end along link slot (14)；
Step 4, reversely pulls needle guard (21), locating piece (22) is placed in stopper slot (13) front end；
Step 5, compression spring withstands interstage sleeve (3) all the time, interstage sleeve (3) front end face is withstood on needle guard (21) rear end face, and locking
Block (31) is located at regulating tank (15) front end, and rotation interstage sleeve (3) makes latch (31) enter lock groove (16) front end, and in interface
The interstage sleeve (3) described in (11) axial restraint is managed, to utilize interstage sleeve (3) in mouthpiece (11) axial lock needle guard (21)；
Described method for dismounting comprises the following steps：
Step one, rotation interstage sleeve (3), makes latch (31) be located at lock groove (16) rear end；
Step 2, promotes needle guard (21) towards syringe (1), locating piece (22) is withstood on stopper slot (13) rear end；
Step 3, rotation needle guard (21) makes locating piece (22) enter inlet slot (12) rear end along link slot (14)；
Step 4, reversely pulls and needle guard (21) is pulled up on mouthpiece (11).
8. a kind of installation and removal method of locking type Lacrimal passage irrigator for described in claim 4, it is characterised in that：Including
Installation method and method for dismounting,
Described installation method comprises the following steps：
Step one, rotation interstage sleeve (3), makes interstage sleeve (3) withstand on syringe (1)；
Step 2, by needle guard (21) engagement sleeves incoming interface pipe (11), continuous rotatable interface pipe (11), makes positioning during being inserted in
Block (22) be aligned simultaneously enter inlet slot (12) front end, promote needle guard (21), make locating piece (22) along inlet slot (12) slide into
Mouth groove (12) rear end；
Step 3, rotation needle guard (21) makes locating piece (22) enter stopper slot (13) rear end along link slot (14)；
Step 4, reversely pulls needle guard (21), locating piece (22) is placed in stopper slot (13) front end；
Step 5, rotation interstage sleeve (3), makes interstage sleeve (3) front end face hold out against needle guard (21) rear end face, to utilize interstage sleeve (3) in interface
Manage (11) axial lock needle guard (21)；
Described method for dismounting comprises the following steps：
Step one, rotation interstage sleeve (3), makes interstage sleeve (3) withstand on syringe (1)；
Step 2, promotes needle guard (21) towards syringe (1), locating piece (22) is withstood on stopper slot (13) rear end；
Step 3, rotation needle guard (21) makes locating piece (22) enter inlet slot (12) rear end along link slot (14)；
Step 4, reversely pulls and needle guard (21) is pulled up on mouthpiece (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710528559.5A CN107157750B (en) | 2017-07-01 | 2017-07-01 | A kind of locking type Lacrimal passage irrigator and its installation and removal method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710528559.5A CN107157750B (en) | 2017-07-01 | 2017-07-01 | A kind of locking type Lacrimal passage irrigator and its installation and removal method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107157750A true CN107157750A (en) | 2017-09-15 |
| CN107157750B CN107157750B (en) | 2019-03-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109938995A (en) * | 2019-04-11 | 2019-06-28 | 张云生 | A kind of easy-to-use Lacrimal passage irrigator and its installation and removal method |
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| CN203852574U (en) * | 2014-03-20 | 2014-10-01 | 孙珊 | Lachrymal canal flushing device |
| CN104840354A (en) * | 2015-04-27 | 2015-08-19 | 河南科技大学第一附属医院 | Multifunctional flushing needle for department of ophtalmology |
| CN105361857A (en) * | 2015-11-26 | 2016-03-02 | 李建超 | Harpoon-shaped lacrimal duct detection and recanalization method |
| CN105963127A (en) * | 2016-05-20 | 2016-09-28 | 张娟美 | Multifunctional washing needle convenient to carry for ophthalmology department |
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| US20100137818A1 (en) * | 2008-12-02 | 2010-06-03 | Steven Odrich | Multi-piece punctal plug |
| CN203852574U (en) * | 2014-03-20 | 2014-10-01 | 孙珊 | Lachrymal canal flushing device |
| CN104840354A (en) * | 2015-04-27 | 2015-08-19 | 河南科技大学第一附属医院 | Multifunctional flushing needle for department of ophtalmology |
| CN105361857A (en) * | 2015-11-26 | 2016-03-02 | 李建超 | Harpoon-shaped lacrimal duct detection and recanalization method |
| CN105963127A (en) * | 2016-05-20 | 2016-09-28 | 张娟美 | Multifunctional washing needle convenient to carry for ophthalmology department |
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| CN109938995A (en) * | 2019-04-11 | 2019-06-28 | 张云生 | A kind of easy-to-use Lacrimal passage irrigator and its installation and removal method |
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| CN107157750B (en) | 2019-03-08 |
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