CN106491270B - A kind of lacrimal point extension fixture - Google Patents
A kind of lacrimal point extension fixture Download PDFInfo
- Publication number
- CN106491270B CN106491270B CN201611207327.1A CN201611207327A CN106491270B CN 106491270 B CN106491270 B CN 106491270B CN 201611207327 A CN201611207327 A CN 201611207327A CN 106491270 B CN106491270 B CN 106491270B
- Authority
- CN
- China
- Prior art keywords
- expansion
- lacrimal point
- bolt
- cavity
- lock chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/00772—Apparatus for restoration of tear ducts
-
- 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
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/00709—Instruments for removing foreign bodies
-
- 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
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
-
- 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)
- Ophthalmology & Optometry (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Vascular Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plastic & Reconstructive Surgery (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Prostheses (AREA)
Abstract
A kind of lacrimal point extension fixture solves frequent replacement expander of the existing technology, and narrow lacrimal point is easily closed again after surgery, needs repeated multiple times treatment, increases the problem of patient suffering.Including the first expansion caliper and the second expansion caliper, it is characterised in that：Expansion jaw is respectively set in two expansion caliper front ends, and two panels expands setting expansion bolt assembly in the holding part between jaw；Expansion bolt assembly includes the lock chamber that top setting pushes away tightening latch, and cavity is arranged in lock chamber cavity lower end；It includes the pole cap that downside is disposed with push rod to push away tightening latch, and push rod is extend into the pole perforating hole of lock chamber；Lacrimal point expansion bolt includes the body that upper end is provided with flange, and tapered plug head is arranged in body lower end, and fixed groove is arranged in the central through hole top of body；Lacrimal point expansion bolt is arranged in the cavity of lock chamber lower part.Its reasonable design, compact-sized, expansion is rapid, easy to operate, and sustainability expands lacrimal point, avoids performing the operation repeatedly, reduces patient suffering.
Description
Technical field
The invention belongs to the field of medical instrument technology, and in particular to a kind of sustainability expansion lacrimal point prevents lacrimal point narrow again
Narrow and adhesion, the lacrimal point extension fixture for the patient suffering that avoids performing the operation, reduce repeatedly.
Background technology
Epiphora or tearing against wind are a kind of clinically common diseases, not only bring great pain to patient, but also long-term
Tear impregnates, and can cause chronic stimulation membranous conjunctivitis, lower eyelid and Face and cheek eczematous dermatitis.Patient cleans tears for a long time, for a long time
Effect can cause lower eyelid ectropion, to aggravate epiphora symptom.
Epiphora or tearing against wind mostly because stenosis of lacrimal punctum, occlusion or lack such as causes, need to carry out lacrimal point expansion, lacrimal point in treatment
Expander is essential medical instrument in lacrimal point dilation procedure.In cone, tip is sharper on traditional canaliculus dilator head,
Expand lacrimal point after being inserted into lacrimal point by force.To allow lacrimal point fully to expand, traditional canaliculus dilator is divided into large, medium and small equal three
Kind of model, when operation, generally first use trumpet, then use medium size, finally with large size canaliculus dilator, are gradually expanded to lacrimal point；
And it after the insertion of maximum number canaliculus dilator, also needs to hold more than 10 minutes of expander with hand steered, to keep expander to remain in
State in lacrimal point plays the role of loose lacrimal point, persistently expands.
When traditional canaliculus dilator operates, expander need to be frequently replaced, not only cumbersome, time-consuming and laborious, Er Qiezeng
The workload of medical staff is added.The direction and the direction of expansion lacrimal point being inserted into due to canaliculus dilator are inconsistent, in addition lacrimal point
It is not fixed easily, often influences the expansion of lacrimal point, and be easy to stab lacrimal and cause postoperative resistance narrow.In the narrow patient of processing lacrimal point,
Canaliculus dilator is set accurately to be directly entered puncta, can be difficult, cause the operating time to extend；Careless manipulation will also wound
And eyeball.In addition, in order to maintain expansion effect, expander need to be remained in hand steered hold in lacrimal point, weighs, face because expander is big
At most adhere to that the time can not possibly be more than 20 minutes on bed, after taking out expander, narrow lacrimal point is easy to and shrinks back narrow shape
State, or the lacrimal point being closed are closed again, are needed the repeated multiple times treatment of patient, are not only increased patient suffering, and clinical efficacy is not
It is good.Therefore it is necessary to the lacrimal point extension fixtures to the prior art to be improved.
Invention content
The present invention addresses the above problem, provides a kind of sustainability expansion lacrimal point, prevents lacrimal point restenosis and adhesion,
Avoid performing the operation, reduce repeatedly the lacrimal point extension fixture of patient suffering.
The technical solution adopted in the present invention is：The lacrimal point extension fixture includes the first expansion caliper and the second stretching pliers
Body, it is characterised in that：The first expansion caliper includes the first vice body, and the front of the first vice body is provided with neck, the first vice body
Rear portion be provided with the first arc shaped pincers tail, the tail portion of the first arc shaped pincers tail is provided with recess；The second expansion caliper includes the
The front of two vice bodies, the second vice body is provided with neck, and the rear portion of the second vice body is provided with the second arc shaped pincers tail, the second arc shaped pincers tail
Tail portion be provided with nose；First expansion caliper and two necks of the second expansion caliper front end are symmetrically arranged, two necks
The middle part in portion is connected by connecting shaft；The front end of two necks is respectively arranged with the expansion jaw of taper, expands the axis of jaw
Line is perpendicular with neck, and two expansion jaws are arranged symmetrically to form cone hollow cone shape directed downwardly；Two panels expands jaw
Between holding part in be provided with expansion bolt assembly；The nose of second expansion caliper the second arc shaped pincers tail tail portion extend into the first expansion
In the recess for opening caliper the first arc shaped pincers tail tail portion；The expansion bolt assembly includes the lock chamber of taper, and the top of lock chamber is set
It is equipped with and pushes away tightening latch, the lower part of lock chamber is provided with lacrimal point expansion bolt；The lock chamber includes cavity, and the upper end of cavity is provided with perpendicular
The lower end of the pole perforating hole directly arranged, cavity is provided with cavity, and the lower part of pole perforating hole and the top of cavity are connected；Cavity cavity
Middle part is provided with the connecting rod arranged vertically, and the lower end of connecting rod is provided with fixed plush copper；The tightening latch that pushes away includes pole cap, bar
The push rod arranged vertically is provided on the downside of cap, push rod is extend into the pole perforating hole of lock chamber；The lacrimal point expansion bolt includes bolt
The upper end of body, body is provided with flange, and the lower end of body is provided with tapered plug head, central through hole is provided in the middle part of body, in
The top of heart through-hole is provided with fixed groove；The top of lacrimal point expansion bolt is arranged in the cavity of lock chamber lower part, fixed cavity space
The connecting rod of intracavitary is extend into the central through hole of lacrimal point expansion bolt, and the fixation plush copper of connecting rod lower end is connected on central through hole
In the fixed groove in portion；The lower end for pushing away tightening latch push rod is in contact with the upper surface of lacrimal point expansion bolt flange.
The fixed groove of the lacrimal point expansion bolt is cross card slot；Correspondingly, the fixation of lock chamber cavity lower end setting
The cross-sectional shape of plush copper is cross.To utilize the cross fit structure, during placing lacrimal point expansion bolt, pass through
Pushing away tightening latch drives lock chamber and lacrimal point expansion bolt to rotate together, convenient for the implantation of lacrimal point expansion bolt.
First expansion caliper the first arc shaped pincers tail and second expansion caliper the second arc shaped pincers tail, are the elasticity of sheet
Arcuate structure.When with without outer force effect the case where, two expansion jaws of the first expansion caliper and the second expansion caliper front end
It being capable of tight closure；And after the expansion jaw of closure is inserted into lacrimal point, it is only necessary to which smaller strength can make two stretching pliers
Mouth opens appropriate angle, is convenient for the expansion of lacrimal point.
On the inner wall of the first expansion caliper and two expansion jaws of the second expansion caliper front end, it is respectively arranged with anti-
Draw runner line.Frictional force when expansion bolt assembly is clamped to increase, convenient for the placement of lacrimal point expansion bolt.
It is provided with scale on the push rod for pushing away tightening latch.With by the mark of scale, to show that lacrimal point expands the insertion of bolt
Depth.
It is provided with spacing block set on the inside of first vice body or the second vice body.It is firmly excessive when preventing operation, make two
Side stretching pliers, which are made a slip of the tongue, crosses expansion.
It is respectively arranged with anti-slip roller line on the outside of first vice body and the second vice body.To increase vice body skin-friction force,
Keep the gripping stability of vice body.
With lacrimal point extension fixture is matching used takes bolt tweezer, including tweezer body and tweezer head, it is characterised in that：The tweezer body includes
Main body, main body are hollow structure, and the both sides of main body are respectively arranged with gripping handle, and two gripping handles are in the shape of the letter V arrangement, two
The rear portion of gripping handle is connected by tweezer tail；It is respectively arranged with elastic clip, elastic clip on the inside of two gripping handle fronts
One end and gripping handle on the inside of be connected, the other end of elastic clip is extend into the rear end of hollow structure main body；Front
It is provided with intermediate connecting body between main body and the tweezer tail at rear portion；The front end of main body is provided with tweezer neck, and tweezer neck is by straight section and curved segment
The tubular structure of composition is provided with two panels rigid connection piece in tweezer neck, and the end set of tweezer neck curved segment has tweezer head, and tweezer head is by two panels
Flat lance shape tweezer point is constituted, and flat lance shape tweezer point is semicircular flat structure；The rear end of the flat lance shape tweezer point of two panels, passes through rigidity respectively
Connection sheet is connected with the end that two elastic clips are extend into main body.It is taken out so that the expansion bolt of the lacrimal point in lacrimal point will be remained in,
Complete treatment.
It is described that take the straight section of bolt tweezer body front end tweezer neck and the angle of curved segment be 90~150 degree.The whole of bolt tweezer is taken with enhancing
Body is handling.
It is provided with scale in the curved segment for taking bolt tweezer body front end tweezer neck.With by the mark of scale, to judge to take bolt
The distance that tweezer stretches into.
Beneficial effects of the present invention：Since the present invention is expanded using cone expansion jaw is respectively set in two front ends first
Caliper and the second expansion caliper, the axis for expanding jaw is vertical with neck, and two expansion jaws are arranged symmetrically to form cone downward
Hollow cone shape；Two panels expands setting expansion bolt assembly in the holding part between jaw；The nose of second arc shaped pincers tail
It extend into the recess of the first arc shaped pincers tail；Expansion bolt assembly includes lock chamber, and lock chamber top, which is arranged, pushes away tightening latch, under lock chamber
Portion is arranged lacrimal point and expands bolt；Lock chamber includes the cavity that upper end is provided with pole perforating hole, and cavity, pole perforating hole lower part is arranged in cavity lower end
It is communicated with cavity top；Connecting rod, connecting rod lower end setting fixed plush copper are set in the middle part of cavity cavity；It includes downside to push away tightening latch
The vertical pole cap for being disposed with push rod, push rod are extend into the pole perforating hole of lock chamber；It includes that upper end is provided with flange that lacrimal point, which expands bolt,
Body, tapered plug head is arranged in body lower end, and fixed groove is arranged in the central through hole top in the middle part of body；Lacrimal point expands bolt top
It is arranged in the cavity of lock chamber lower part, the connecting rod in lock chamber cavity is extend into the central through hole of lacrimal point expansion bolt, even
The fixation plush copper of extension bar lower end is connected to the structure type in fixed groove, so its reasonable design, compact-sized, to lacrimal point
Expansion pressurization is uniform, and rate of expansion is fast, is not necessarily to replace instrument halfway；It is inserted into the expansion of the lacrimal point in lacrimal point via expansion jaw
Bolt can carry out duration expansion to lacrimal point, and convenient to remove, effectively prevent restenosis and the adhesion of lacrimal point, avoid anti-
The risk performed the operation again reduces patient suffering, promotes therapeutic effect.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the present invention.
Fig. 2 is the partial enlarged view at A in Fig. 1.
Fig. 3 is the partial enlarged view at B in Fig. 1.
Fig. 4 is a kind of Structure explosion diagram of the expansion bolt assembly in Fig. 2.
Fig. 5 is a kind of structural schematic diagram for pushing away tightening latch in Fig. 4.
Fig. 6 is a kind of structure sectional view of the lock chamber in Fig. 4.
Fig. 7 is a kind of structure sectional view of the lacrimal point expansion bolt in Fig. 4.
Fig. 8 is a kind of structure sectional view after each component assembling in Fig. 4.
Fig. 9 is a kind of structure sectional views of the Fig. 8 along line C-C.
Figure 10 is and a kind of matching used structural schematic diagram for taking bolt tweezer of the present invention.
Figure 11 is the D direction views of Figure 10.
Figure 12 is the E direction views of Figure 11.
Number explanation in figure：1 first expansion caliper, 2 second expansion calipers, 3 necks, 4 expansion jaws, 5 expansion bolt assemblies,
6 connection shafts, 7 second vice bodies, 8 second arc shaped pincers tails, 9 recesses, 10 noses, 11 first arc shaped pincers tails, 12 spacing block sets, 13 the
One vice body, 14 push away tightening latch, 15 lock chambers, 16 lacrimal points expansion bolt, 17 pole caps, 18 push rods, 19 scales, 20 cavitys, 21 pole perforating holes, 22
Plush copper, 25 flanges, 26 bodies, 27 bolt heads, 28 central through holes, 29 fixed grooves, 30 tweezer heads, 31 are fixed in cavity, 23 connecting rods, 24
Tweezer neck, 32 main bodys, 33 tweezer bodies, 34 gripping handles, 35 tweezer tails, 36 intermediate connecting bodies, 37 elastic clips, 38 straight sections, 39 curved segments, 40
Flat lance shape tweezer point, 41 rigid connection pieces.
Specific implementation mode
According to Fig. 1~12 concrete structure that the present invention will be described in detail.The lacrimal point extension fixture includes the first expansion 1 He of caliper
Second expansion caliper 2, wherein the first expansion caliper 1 includes the first vice body 13, and the front of the first vice body 13 is provided with neck 3, neck
The front end in portion 3 is provided with the expansion jaw 4 for expansion bolt assembly 5 to be clamped, and the rear portion of the first vice body 13 is provided with sheet like flexible
The tail portion of first arc shaped pincers tail 11 of arcuate structure, the first arc shaped pincers tail 11 is provided with for being inserted into 8 tail portion of the second arc shaped pincers tail
The recess 9 of nose 10.Second expansion caliper 2 includes the second vice body 7, and the front of the second vice body 7 is provided with neck 3, before neck 3
End is again provided with the expansion jaw 4 for expansion bolt assembly 5 to be clamped, and the rear portion of the second vice body 7 is provided with sheet like flexible arc
Second arc shaped pincers tail 8 of structure, the tail portion of the second arc shaped pincers tail 8 are provided with nose 10.First expansion caliper 1 and the second stretching pliers
The middle part of two necks 3 symmetrically arranged on the left and the right of 2 front end of body is connected by connecting shaft 6, to make the first expansion caliper
1 is connected with the second expansion caliper 2, and two necks 3 can open or be closed around connection shaft 6.It operates in order to prevent
When it is firmly excessive, avoid both sides expansion 4 transition of jaw expansion lacrimal point, the inside of the first vice body 13 is provided with spacing block set 12；Phase
Ying Di, the second vice body are provided with convex block card slot at 7 inside position corresponding with spacing block set 12.It rubs to increase vice body surface
The outside of wiping power, the first vice body 13 and the second vice body 7 is respectively arranged with anti-slip roller line, keeps the gripping stability of vice body.For
The inside of the purpose of mitigation vice body weight, the first vice body 13 and the second vice body 7 is provided with loss of weight hollow structure, in order to flexibly grasp
Make.
First expansion caliper 1 and second expands the front end of two necks 3 of caliper 2, the conical expansion pincers being respectively set
The axis of mouth 4 and 3 perpendicular arrangement of caliper neck；Two expansion jaws 4 are arranged symmetrically, to form cone hollow cone directed downwardly
Shape；The expansion bolt for expanding bolt 16 for placing lacrimal point into lacrimal point is provided in holding part between two panels expansion jaw 4
Component 5.The nose 10 of second 2 second arc shaped pincers tail of expansion caliper, 8 tail portion extend into 1 first arc shaped pincers tail 11 of the first expansion caliper
In the recess 9 of tail portion；When with without outer force effect the case where, the first expansion caliper 1 and second expands two expansions of 2 front end of caliper
Opening jaw 4 being capable of tight closure；Also, after the expansion jaw 4 of closure is inserted into lacrimal point, it is only necessary to which smaller strength can make two
A expansion jaw 4 opens appropriate angle naturally, expands, is conveniently operated convenient for lacrimal point.It is clamped when expanding bolt assembly 5 to increase
Frictional force, the first expansion caliper 1 and second are expanded on the inner wall of two expansion jaws 4 of 2 front end of caliper, are respectively arranged with anti-skidding
Striped, in order to which lacrimal point expands the placement of bolt 16.
The expansion bolt assembly 5 being arranged in holding part between two panels expansion jaw 4 is made of the lock chamber 15 of taper, lock chamber
15 top, which is provided with, to be expanded bolt 16 for being pushed into lacrimal point into lacrimal point and pushes away tightening latch 14, and the lower part of lock chamber 15 is provided with is used for
Bolt 16 is expanded to the lacrimal point that lacrimal point is persistently expanded.Lock chamber 15 includes the cavity 20 that upper end is disposed with pole perforating hole 21 vertically, fixed
The lower end of 15 cavity 20 of chamber is provided with the cavity 22 that bolt 16 is expanded for housing lacrimal point, and the lower part of pole perforating hole 21 is upper with cavity 22
Portion is connected, so that the end for pushing away 14 push rod 18 of tightening latch being arranged in 15 pole perforating hole 21 of lock chamber can expand bolt 16 with lacrimal point
It is in contact.22 middle part of cavity of 15 cavity 20 of lock chamber is provided with the connecting rod 23 arranged straight down, the lower end of connecting rod 23
Portion is provided with the fixation plush copper 24 that bolt 16 is expanded for fixing lacrimal point, and fixed plush copper 24 is that upper and lower ends are thin, intermediate slightly thick ellipse
It is round.The setting of 15 top of lock chamber pushes away tightening latch 14, including downside is disposed with the pole cap 17 of push rod 18 vertically, pushes away 14 lower part of tightening latch
Push rod 18 extend into the pole perforating hole 21 of lock chamber 15, the pole cap 17 for pushing away 14 top of tightening latch is located at the top of lock chamber 15.Root
According to specifically used needs, the quantity for pushing away the push rod 18 that 14 pole cap of tightening latch, 17 downside is arranged is four, and four push rods 18 are along same
One circumference is equally spaced；Correspondingly, the quantity for the pole perforating hole 21 being arranged in 15 cavity 20 of lock chamber is also four, four bars
The position in hole 21 is corresponding with push rod 18；To increase the stability of 15 position of lock chamber, and be conducive to 15 cavity of lock chamber
20 with the moving in rotation for pushing away tightening latch 14.The lower end for pushing away each push rod 18 of tightening latch 14 can be designed to individual boss-shaped knot
Structure or the cyclic structure of interconnection avoid pushing away tightening latch 14 to push away tightening latch 14 and lock chamber 15 connects into an entirety
It falls, and the contact area of push rod 18 and lacrimal point expansion bolt 16 can be increased, promote the stability injected.For the ease of distinguishing tear
The insertion depth of node expansion bolt 16 pushes away and is provided with mark scale 19 on the push rod 18 of tightening latch 14.
The lacrimal point expansion bolt 16 of 15 lower part of lock chamber setting includes that upper end is provided with the body 26 of flange 25, under body 26
End is provided with the tapered plug head 27 being inserted into convenient for lacrimal point expansion bolt 16 in lacrimal point, the tapered plug that 16 head of lacrimal point expansion bolt is expanded
First 27 can increase the stability of expansion bolt, and expansion bolt is anchored in lacrimal point and lacrimal, avoid expanding bolt caused by rubbing one's eyes
Obscission；Lacrimal point expands the oblate flange 25 of 16 tail portion of bolt, can play the role of preventing expansion bolt from crashing into lacrimal passage.Lacrimal point
The middle part of expansion 16 body 26 of bolt is provided with the central through hole 28 penetrated through vertically, the top of central through hole 28 be provided with for it is solid
Determine chamber 15 and fixes 24 matched fixed groove 29 of plush copper.The central through hole 28 that lacrimal point expands bolt 16 can be in expansion bolt indwelling in tear
Point during, it is ensured that tear can via central through hole 28, normally flow into lacrimal passage.Lacrimal point expands the central through hole of 16 body 26 of bolt
28 are alternatively arranged as taking bolt tweezer（It is matched with the lacrimal point extension fixture）The channel that tweezer head 30 stretches into；Also, take bolt tweezer tweezer head 30
After being opened in central through hole 28, it can be embedded into the fixed groove 29 of 28 top of central through hole setting, in order to which lacrimal point expands
Open the rotation and taking-up of bolt 16.In order to ensure biocompatibility, the probability of happening of rejection is reduced, lacrimal point expands the material of bolt 16
Medical silica-gel can be used in material, and has enough elasticity and support force.
The top of lacrimal point expansion bolt 16 is arranged in the cavity 22 of 15 cavity of lock chamber, 20 lower part, 20 lower cavity 22 of cavity
Interior connecting rod 23 is extend into the central through hole 28 of lacrimal point expansion bolt 16, and the fixation plush copper 24 of 23 lower end of connecting rod is connected to
Lacrimal point is expanded in the fixed groove 29 on 16 central through hole of bolt, 28 top.It pushes away 14 push rod 18 of tightening latch and extend into 15 pole perforating hole 21 of lock chamber
The lower end of interior one end, 25 upper surface of flange that 16 body 26 of bolt is expanded with lacrimal point is in contact, to be pushed away to lacrimal point by push rod 18
Enter lacrimal point expansion bolt 16.In order to which during placing lacrimal point expansion bolt 16,15 He of lock chamber can be driven by pushing away tightening latch 14
Lacrimal point expansion bolt 16 rotates together, and in order to which lacrimal point expands the implantation of bolt 16, the fixed groove 29 of lacrimal point expansion bolt 16 is designed to
Cross section is criss-cross card slot；Correspondingly, the cross-sectional shape of the fixation plush copper 24 of 15 cavity of lock chamber, 20 lower end setting
For cross.Lacrimal point expands the structure type of this cross fixed groove 29 of bolt 16, equally can conveniently take bolt tweezer by tear
The operation that node expansion bolt 16 is rotated and taken out out of lacrimal point.
With the lacrimal point extension fixture it is matching used to take bolt tweezer include tweezer body 33 and tweezer head 30, tweezer body 33 is by hollow structure
Main body 32 is constituted, and the both sides of 33 main body 32 of tweezer body are respectively arranged with gripping handle 34, and the rear portion of two gripping handles 34 passes through tweezer
Tail 35 is connected, and two gripping handles 34 are in the shape of the letter V arrangement.The inside of two 34 fronts of gripping handle, is respectively set useful
In the elastic clip 37 of the flat lance shape tweezer point of manipulation 30 two panels of tweezer head 40, one end of elastic clip 37 and the inside phase of gripping handle 34
Connection；The other end of elastic clip 37 then extend into the rear end of hollow structure main body 32, enters inside main body 32, elastic clip
37 stretch into one end in main body 32 then by the rigid connection piece 41 being arranged in tweezer neck 31, are connected with flat lance shape tweezer point 40.Before
It is provided with intermediate connecting body 36 between the main body 32 in portion and the tweezer tail 35 at rear portion.In order to increase the friction on 34 surface of gripping handle
Power, the outside of two gripping handles 34 of the arrangement that is in the shape of the letter V, is respectively arranged with anti-slip roller line, to keep the gripping of handle to stablize
Property.Support can also be set for the ease of the gripping of finger, on two gripping handles 34 and refer to structure, with promoted controlled in art it is accurate
Property.It can be accustomed to for using the gripping of finger when tweezers that support, which refers to structure, in the human body of tweezers and finger contact portion position design
Engineering science flexibility holds contact block.
The front end of 33 main body 32 of tweezer body is provided with the thin tube-like tweezer neck 31 being made of straight section 38 and curved segment 39；It is taken to enhance
The entirety of bolt tweezer is handling, and the straight section 38 of 32 front end tweezer neck 31 of main body and the angle of curved segment 39 are designed to 90~150 degree.Tweezer neck 31
Inside it is provided with the rigid connection piece 41 that two panels is connected with the elastic clip 37 of 34 front inner of gripping handle respectively, 31 curved segment of tweezer neck
39 end set has the tweezer head 30 being made of the flat lance shape tweezer point of two panels 40；Flat lance shape tweezer point 40 may be used semicircular flat
Structure.The rear end of the flat lance shape tweezer point of two panels 40 is connected with the two panels rigid connection piece 41 in tweezer neck 31 respectively；And pass through two
Gripping handle 34 respectively drives elastic clip 37, to drive the two panels arranged in tweezer neck 31 rigid connection piece 41 to be closed or open
It opens, the flat lance shape tweezer point 40 of the two panels to manipulate tweezer head 30, the lacrimal point remained in lacrimal point expansion bolt 16 is taken out.For the ease of
Judge the distance stretched into, takes and be provided with mark scale 19 in the curved segment 39 of 32 front end tweezer neck 31 of bolt tweezer main body.
The lacrimal point extension fixture is in use, be hold by one hand the first vice body 13 and the second stretching pliers of the first expansion caliper 1
The cone alignment of 4 lower end of the two panels of closure expansion jaw is needed the lacrimal point position expanded by the second vice body 7 of body 2, allows stretching pliers
The cone of mouth 4 is inserted downwardly into lacrimal point；Then apply strength appropriate on the first vice body 13 and the second vice body 7, make first
The two panels expansion phase separation of jaw 4 of 7 front of vice body 13 and the second vice body is come, and to be expanded to lacrimal point, is expanded to be put into lacrimal point
Bolt 16 is opened to prepare.The lacrimal point extension fixture has abandoned the expansion pattern of conventional vertical plug-in type canaliculus dilator, using two panels
The horizontal force for expanding jaw 4 carries out uniform pressurization expansion to lacrimal point, and rate of expansion is fast, meets the physiological anatomic architecture of lacrimal point, keeps away
Exempt from Accessory injury, instrument need not be replaced halfway, therapeutic efficiency is high.
Bolt assembly 5 will be expanded to be put into the holding part between two panels expansion jaw 4, expansion bolt assembly 5 pushes away on tightening latch 14
The pole cap 17 at end is located at the top of expansion jaw 4, expands bolt 16 in order to be pushed downwardly into lacrimal point.The taper for expanding bolt assembly 5 is solid
Determine the bottom that chamber 15 is located at conical expansion jaw 4, and the wider upper end of lock chamber 15 with it is anti-skidding on expansion 4 inner wall of jaw
Striped is in contact, and frictional force when expansion 5 lock chamber 15 of bolt assembly is clamped to increase, and expands the pushing away to lacrimal point of bolt 16 convenient for lacrimal point
Enter.The lacrimal point for expanding 5 lock chamber of bolt assembly, 15 lower end expands bolt 16, is located at the 4 bottom cone tip part of expansion jaw that two panels is opened.With
The another hand for not holding expansion caliper slowly presses the tightening latch 14 that pushes away for expanding bolt assembly 5；14 push rod of tightening latch is pushed away to drive
18 extend into one end in 15 pole perforating hole 21 of lock chamber, the upper surface of 16 body of lacrimal point expansion bolt, 26 flange 25 are pushed, by tear
Node expansion bolt 16 is pushed into the lacrimal point expanded from the cavity 22 of 15 cavity of lock chamber, 20 lower part and retains, and is formed and is continued to lacrimal point
Property expansion.Finally, it is closed the two panels expansion jaw 4 that the first expansion caliper 1 and second expands 2 front end of caliper, jaw 4 will be expanded
Cone is taken out completely from lacrimal point, then removes expansion bolt assembly 5.It, can be by turning during placing lacrimal point expansion bolt 16
The dynamic mode for pushing away tightening latch 14, the lacrimal point expansion bolt 16 to drive lock chamber 15 to be arranged with its underpart rotate in lacrimal point together, with
The merging of bolt 16 is expanded convenient for lacrimal point.
Lacrimal point expands bolt 16 can be long-term（3 months or so）It remains in lacrimal point, effectively prevent restenosis and the adhesion of lacrimal point,
Surgical procedure repeatedly is avoided, patient suffering is reduced.When the lacrimal point expansion bolt 16 for needing to remain in lacrimal point takes out, one hand is held
The gripping handle 34 for taking 33 main body of bolt tweezer tweezer body, 32 both sides is handled, two elastic clips are respectively driven by two gripping handles 34
37, to drive the two panels arranged in tweezer neck 31 rigid connection piece 41 to be closed, the flat lance shape tweezer point of the two panels to manipulate tweezer head 30 40
It is closed.The lacrimal point that the tweezer head 30 for taking bolt tweezer is extend into retention is expanded in the central through hole 28 of 16 body 26 of bolt, when the two of closure
When the flat lance shape tweezer of piece sharp 40 is in the position of fixed groove 29 in central through hole 28, by two 34 bands of gripping handle for taking bolt tweezer
Dynamic flat 40 opening of lance shape tweezer point of two panels, makes the cross card of the flat lance shape tweezer point 40 and lacrimal point expansion 16 fixed groove 29 of bolt of opening
Slot is mutually clamped, and to take out lacrimal point expansion bolt 16, completes treatment.
, it is understood that expanding bolt 16 during indwelling in lacrimal point in lacrimal point, by lacrimal point extension fixture and bolt can be taken
Tweezer is used cooperatively, and the tweezer head 30 for taking bolt tweezer, which is inserted into lacrimal point, to be expanded in the cross fixed groove 29 of bolt 16；Rotation takes bolt
Tweezer rotates to drive the lacrimal point of retention to expand bolt 16, expands bolt 16 and lacrimal point adhesion to avoid lacrimal point, it is ensured that therapeutic effect.According to
The different components of specific use demand, the device also can be used alone.
Claims (7)
1. a kind of lacrimal point extension fixture, including the first expansion caliper（1）With the second expansion caliper（2）, it is characterised in that：Described
One expansion caliper（1）Including the first vice body（13）, the first vice body（13）Front be provided with neck（3）, the first vice body（13）'s
Rear portion is provided with the first arc shaped pincers tail（11）, the first arc shaped pincers tail（11）Tail portion be provided with recess（9）；Second stretching pliers
Body（2）Including the second vice body（7）, the second vice body（7）Front be provided with neck（3）, the second vice body（7）Rear portion be provided with
Two arc shaped pincers tails（8）, the second arc shaped pincers tail（8）Tail portion be provided with nose（10）；First expansion caliper（1）With the second stretching pliers
Body（2）Two necks of front end（3）It is symmetrically arranged, two necks（3）Middle part pass through connect shaft（6）It is connected；Two
Neck（3）Front end be respectively arranged with the expansion jaw of taper（4）, expand jaw（4）Axis and neck（3）It is perpendicular, two
A expansion jaw（4）It is arranged symmetrically to form cone hollow cone shape directed downwardly；Two panels expands jaw（4）Between holding part
Inside it is provided with expansion bolt assembly（5）；Second expansion caliper（2）The second arc shaped pincers tail（8）The nose of tail portion（10）It extend into
One expansion caliper（1）The first arc shaped pincers tail（11）The recess of tail portion（9）It is interior；The expansion bolt assembly（5）Consolidating including taper
Determine chamber（15）, lock chamber（15）Top be provided with and push away tightening latch（14）, lock chamber（15）Lower part be provided with lacrimal point expansion bolt
（16）；The lock chamber（15）Including cavity（20）, cavity（20）Upper end be provided with the pole perforating hole arranged vertically（21）, cavity
（20）Lower end be provided with cavity（22）, pole perforating hole（21）Lower part and cavity（22）Top be connected；Cavity（20）Cavity
（22）Middle part be provided with the connecting rod arranged vertically（23）, connecting rod（23）Lower end be provided with fixed plush copper（24）；Institute
It states and pushes away tightening latch（14）Including pole cap（17）, pole cap（17）Downside be provided with the push rod arranged vertically（18）, push rod（18）It stretches into
To lock chamber（15）Pole perforating hole（21）It is interior；The lacrimal point expands bolt（16）Including body（26）, body（26）Upper end setting
There is flange（25）, body（26）Lower end be provided with tapered plug head（27）, body（26）Middle part be provided with central through hole（28）,
Central through hole（28）Top be provided with fixed groove（29）；Lacrimal point expands bolt（16）Top be arranged in lock chamber（15）Lower part
Cavity（22）It is interior, lock chamber（15）Cavity（22）Interior connecting rod（23）It extend into lacrimal point expansion bolt（16）Central through hole
（28）It is interior, connecting rod（23）The fixation plush copper of lower end（24）It is connected to central through hole（28）The fixed groove on top（29）It is interior；It pushes away
Tightening latch（14）Push rod（18）Lower end and lacrimal point expand bolt（16）Flange（25）Upper surface be in contact.
2. lacrimal point extension fixture according to claim 1, it is characterised in that：The lacrimal point expands bolt（16）Fixed groove
（29）For cross card slot；Correspondingly, lock chamber（15）Cavity（20）The fixation plush copper of lower end setting（24）Cross-sectional shape
For cross.
3. lacrimal point extension fixture according to claim 1, it is characterised in that：The first expansion caliper（1）The first arc
Clamp tail（11）With the second expansion caliper（2）The second arc shaped pincers tail（8）, it is the flexible arc structure of sheet.
4. lacrimal point extension fixture according to claim 1, it is characterised in that：The first expansion caliper（1）Expand with second
Open caliper（2）Two expansion jaws of front end（4）Inner wall on, be respectively arranged with skid resistance strip.
5. lacrimal point extension fixture according to claim 1, it is characterised in that：It is described to push away tightening latch（14）Push rod（18）On set
It is equipped with scale（19）.
6. lacrimal point extension fixture according to claim 1, it is characterised in that：First vice body（13）Or second vice body
（7）Inside be provided with spacing block set（12）.
7. lacrimal point extension fixture according to claim 1, it is characterised in that：First vice body（13）With the second vice body
（7）Outside be respectively arranged with anti-slip roller line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611207327.1A CN106491270B (en) | 2016-12-23 | 2016-12-23 | A kind of lacrimal point extension fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611207327.1A CN106491270B (en) | 2016-12-23 | 2016-12-23 | A kind of lacrimal point extension fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106491270A CN106491270A (en) | 2017-03-15 |
| CN106491270B true CN106491270B (en) | 2018-08-14 |
Family
ID=58333721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611207327.1A Active CN106491270B (en) | 2016-12-23 | 2016-12-23 | A kind of lacrimal point extension fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106491270B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112155846A (en) * | 2020-10-13 | 2021-01-01 | 逄作祥 | Lacrimal point biting and cutting device with lacrimal point expanding function |
| CN113558711B (en) * | 2021-07-14 | 2022-06-21 | 陕西省人民医院 | Aneurysm presss from both sides pincers |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2368532Y (en) * | 1999-04-06 | 2000-03-15 | 陈玉泽 | Rectal dilator |
| TWI495459B (en) * | 2009-03-31 | 2015-08-11 | Johnson & Johnson Vision Care | Punctal plugs |
| WO2013116061A1 (en) * | 2012-02-03 | 2013-08-08 | Forsight Vision4, Inc. | Insertion and removal methods and apparatus for therapeutic devices |
| CN202459799U (en) * | 2012-03-15 | 2012-10-03 | 成都恒瑞制药有限公司 | Punctum dilator for flusher |
| CN203235130U (en) * | 2013-05-07 | 2013-10-16 | 复旦大学附属中山医院青浦分院 | Punctum dilator with groove |
| CN103349588A (en) * | 2013-07-15 | 2013-10-16 | 广州卫视博生物科技有限公司 | Lacrimal ductile blocking core |
| CN104337611A (en) * | 2013-08-09 | 2015-02-11 | 三峡大学第一临床医学院 | Double-end lacrimal punctum expander |
| CN204072346U (en) * | 2014-09-30 | 2015-01-07 | 王文德 | Tracheal casing pipe exempts from tangential expander device |
| CN106236373A (en) * | 2016-08-19 | 2016-12-21 | 南京同仁医院有限公司 | A kind of puncta dilator |
| CN206560500U (en) * | 2016-12-23 | 2017-10-17 | 中国医科大学附属第一医院 | A kind of new lacrimal point extension fixture |
-
2016
- 2016-12-23 CN CN201611207327.1A patent/CN106491270B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106491270A (en) | 2017-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106491270B (en) | A kind of lacrimal point extension fixture | |
| CN206560500U (en) | A kind of new lacrimal point extension fixture | |
| WO2014153691A1 (en) | Human body anatomical feature compliant minimally invasive chest drainage tube and drainage surgery instruments | |
| CN204049805U (en) | Gun-type reduction forceps | |
| CN206355086U (en) | Draw tissue fixator in a kind of art | |
| CN209032583U (en) | A kind of mandibular angle fractures reduction forceps | |
| CN202589642U (en) | Broken vertebral pedicle nail extractor | |
| CN211270939U (en) | Medical stainless steel elastic thread ligation clamp | |
| CN112205956A (en) | Bronchoscope interventional therapy device for respiratory department | |
| CN202665723U (en) | Self-locking bracket with rotatable stereoscopic type elastic metal lock cover | |
| CN104546091A (en) | Wire-type stretching bone formation device for lower jaw chin | |
| CN208552069U (en) | A kind of surgical operation instruments for tooth extraction | |
| CN209186915U (en) | A kind of orthopaedics combined hollow spike devices | |
| CN104042353A (en) | Isotonic contraction forcing device | |
| CN206167108U (en) | Toper headgear for laboratory mouse | |
| CN204909522U (en) | Novel pull out pine needle | |
| CN204410922U (en) | Artificial vision's electrode traction tweezer | |
| CN205268267U (en) | Surgery anklebone fracture is with fixed pincers that reset | |
| CN204909813U (en) | A tweezers for ophthalmic surgery | |
| CN205019123U (en) | Novel periosteum detacher | |
| CN204364443U (en) | A kind of new type acupuncture needle | |
| CN203873803U (en) | Device for transplanting eyelashes | |
| CN110200686B (en) | Inflatable ear-nose-throat foreign body extractor | |
| CN204410957U (en) | Crocodile mouth formula pedicle of vertebral arch broken screw removal forceps | |
| CN202776436U (en) | Single-use arc-shaped cutting anastomat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |