CN110013380A - Capsular tension ring implanting device - Google Patents
Capsular tension ring implanting device Download PDFInfo
- Publication number
- CN110013380A CN110013380A CN201910363178.5A CN201910363178A CN110013380A CN 110013380 A CN110013380 A CN 110013380A CN 201910363178 A CN201910363178 A CN 201910363178A CN 110013380 A CN110013380 A CN 110013380A
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- CN
- China
- Prior art keywords
- implanting device
- main body
- push rod
- tension ring
- capsular tension
- 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.)
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- 239000007943 implant Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 230000007704 transition Effects 0.000 claims description 25
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000002513 implantation Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 5
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 5
- 229920002530 polyetherether ketone Polymers 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 abstract description 17
- 210000003128 head Anatomy 0.000 description 27
- 238000000034 method Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 102000004190 Enzymes Human genes 0.000 description 3
- 108090000790 Enzymes Proteins 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000012459 cleaning agent Substances 0.000 description 3
- 210000001508 eye Anatomy 0.000 description 3
- 208000004350 Strabismus Diseases 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 238000004506 ultrasonic cleaning Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 206010023204 Joint dislocation Diseases 0.000 description 1
- 206010042566 Superinfection Diseases 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000004402 high myopia Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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
- A61F9/00736—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
Abstract
Capsular tension ring implanting device of the invention includes implanting device main body, is cylindrical in shape；Implant head is mounted on the front end of implanting device main body, has the inner passage that can configure capsular tension ring；Core bar, it is installed on implanting device main body in a manner of it can move in implanting device main body, at least end is exposed to except implanting device main body thereafter, it can be operated by operator and move forward to release capsular tension ring from implant head in implanting device main body, the inside of core bar has cavity (101), space is connected to the inner passage of implant head in the cylinder that cavity passes through implanting device main body, and cavity has opening in the rear end of core bar being exposed to except the implanting device main body.Injector can be connect in the opening of the cavity of bar core, be filled the water thereto in cleaning using the present invention, water flow flows into the inner passage of implanting device body interior and implant head via the cavity, and flows out, so as to be easy to carry out cleaning.
Description
Technical field
The present invention relates to a kind of ophthalmic instruments, specifically, being that one kind can be realized capsular tension ring implantation trouble
The capsular tension ring implanting device of eye.
Background technique
Capsular tension ring is usually the opening annulus that can be compressed, and is close to pouch film, Ke Yibao after being implanted into pouch
Pouch tension is held, Lens capsular gauffer is prevented, confrontation pouch is shunk, and pouch integrality is kept.Capsular tension ring is generally circular, ellipse
Round, rectangle or equilateral polygon section have 2 or multiple location holes, congenital crystalline for treating by being implanted into pouch
Body subluxation, Zonular weakness, has pouch shrinkage risk at preoperative or art median suspensory ligament fracture, especially with high myopia
Patient.
Intraocular in order to suffer from capsular tension ring implantation, early period, doctor was implanted into surgical forceps, very inconvenient, at present clinically
Capsular tension ring implanting device (such as capsular tension ring implanting device disclosed in patent document 1,2) many times is used, usually
For non-prepackage type, generally by the implanting device main body of tubular, injecting head, push rod, spring etc., part forms, inject head with elongated band
The round guide pipe of certain radian, outer diameter are about 1.2mm, and wall thickness is about 0.2mm.Push rod front end portion is equipped with a diameter
The filament of 0.3mm, filament front end are hook-type, for cooperating with capsular tension ring location hole, load tension link.Product is whole by curing
It is made of metal material, reuses, need to handle through moist heat sterilization before use, need to be cleaned after use, cleaned.
However, can contact viscoelastic agent etc. when implantation using implanting device, viscoelastic agent enters guide pipe and (injects head
Possessed elongated tubular), very thin (internal diameter 1.0-1.2mm), easy cleaning, does not wash clean clearly, influences next implantation, injects and have some setbacks
Freely or even card plug, lead to tension link fracture etc..Specifically: a, guide pipe are directly contacted with eyeball tissue, and elongated structure is empty
Between it is narrow, be difficult to thoroughly be cleaned using residues such as rear bloodstain, viscoelastic agents, increase the risk of patient's superinfection；
B, the residue for being oriented to inside pipe wall may cause tension link and inject unsmooth, clamping stagnation, or even appearance the case where inject unsuccessfully.
Existing technical literature
Patent document 1:JP2003527162A
Patent document 2:WO2016191764A1
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of easy cleaned capsular tension ring implanting devices.
In order to achieve the above objectives, capsular tension ring implanting device of the invention includes implanting device main body, is cylindrical in shape；Implantation
Head is mounted on the front end of the implanting device main body, has the inner passage that can configure capsular tension ring；Core bar, with energy
Enough modes moved in the implanting device main body are installed on the implanting device main body, and at least end is exposed to the implantation thereafter
Except device main body, can be operated by operator and moved forward in the implanting device main body to by capsular tension ring from described
Implant head is released, and the inside of the core bar has cavity, space and institute in the cylinder that the cavity passes through the implanting device main body
The inner passage connection of implant head is stated, and the cavity is in the rear end of the core bar being exposed to except the implanting device main body
With opening.
Using structure as above, since the inside of core bar has a cavity, in cylinder of the cavity by the implanting device main body
Space and be connected to the inner passage of the implant head, and the cavity the core bar be exposed to the implanting device main body it
Outer rear end has opening, thus, in cleaning, injector etc. can be connect in the opening of the rear end of core bar, to core bar
Interior cavity water filling, water flow enter space in the cylinder for the implanting device main body being connected to the cavity, and logical via the inside of implant head
Road outflow, so, it is possible to be easy to carry out cleaning.
The present invention is preferred, and the core bar includes push rod and pushes pin, and described push pin is mounted on the front end of the push rod, described to push away
The rear end of bar is exposed to except the implanting device main body, and the cavity is formed in the push rod.
The present invention is preferred, and the opening is formed on the rear end face of the push rod, by being removably installed and for operator
Push the push rod cap closure of operation.
Using structure as above, using carrying out pushing the push rod cap of operation come the opening of closed cavity for operator, it is not necessary to another
If other parts, number of parts is reduced, while structure is simple, manufacturing cost is low.
The present invention is preferred, and the push rod has push rod main body and is formed in the switching oral area of push rod body rear, described to open
Mouth is formed in the switching oral area.
Using structure as above, due to being equipped with switching oral area, it is thus possible to easily connect injector etc..
The present invention is preferred, and the switching oral area is made of the radial dimension large-diameter portion bigger than the push rod main body.
Using structure as above, the size of switching oral area can be made larger, to more easily connect injector etc..
The present invention is preferred, and the push rod has push rod main body and is set to described in the push rod body front end and radial dimension ratio
The small transition connection portion of push rod main body is equipped with water hole on the peripheral wall of the transition connection portion, and the cavity is via the mistake
Water hole and be connected to space in the cylinder of the implanting device main body.
Using structure as above, it is connected to by water hole radially empty in the cavity in core bar and the cylinder of implanting device main body
Between, it is easy to process, and the front end face of transition connection portion can connect other component (such as pushing pin in embodiment).
The present invention is preferred, and sliding sleeve, the periphery of the sliding sleeve are cased on the outer peripheral surface of the front of the push rod
The inner peripheral surface sliding contact in face and the implanting device main body.
The mill of push rod can reduce with push rod directly compared with the inner circumferential face contact of implanting device main body using structure as above
Damage reduces friction furthermore, it is possible to which the material of sliding sleeve is easily made to be different from push rod, and it is smooth to make to inject movement.
The present invention is preferred, and the push rod has push rod main part and is fixed on push rod main part front end and radial dimension
The transition connection portion smaller than the push rod main part, the sliding sleeve are installed on the transition connection portion.
The present invention is preferred, and the sliding sleeve is made of PEEK material.
The present invention is preferred, the implant head have elongated guide pipe, it is described have can configure capsular tension ring and with
The inner passage that space is connected in the cylinder of the implanting device main body, pouch can be accommodated by being equipped on the front end face of the guide pipe
The gap of tension link.
Using structure as above, since the front end face of guide pipe is equipped with the gap that can accommodate capsular tension ring, thus can
Capsular tension ring is positioned by the gap, improves the controllability and operability of operation.
Detailed description of the invention
Fig. 1 shows be capsular tension ring implanting device involved in specific embodiment, wherein (a) be capsular tension ring plant
Enter the side view of device, (b) is its oblique view, (c) for the oblique view under capsular tension ring state；
Fig. 2 is used to indicate the internal structure of above-mentioned capsular tension ring implanting device, wherein (a) is sectional view, (b) in (a)
The partial enlarged view of push rod front end and implanting device body engaging portions；
What Fig. 3 was indicated is the structure of core bar C, wherein (a) is the side view of core bar C, it (d) is core bar C that (b) and (c), which is oblique view,
Push rod 1 side view, (e) be push rod 1 oblique view；
It is shown in Fig. 4 the case where capsular tension ring implanting device connects injector；
Fig. 5 show the structure of the implant head in specific embodiment, wherein (a) is side view, and (b) and (c) is oblique view；
What Fig. 6 was indicated is the structure of inner cylinder, wherein (a) is the side view of inner cylinder, is (b) oblique view with (c)；
The structure of the outer cylinder being assembled in together and grip part that Fig. 7 is indicated, wherein (a) is side view, is (b) strabismus with (c)
Figure；
Fig. 8 is the explanatory diagram for illustrating to load the operation of capsular tension ring, wherein the miniature hook on pushing pin is shown in (a)
With the connection type of the eyelet on capsular tension ring, it (b) is shown the mounting means of mistake, (c) show correct installation side
Formula.
Description of symbols
100, capsular tension ring implanting device；A, implanting device main body；2, inner cylinder；3, outer cylinder；B, implant head；5, inner cylinder connector；12,
Guide pipe；C, core bar；1, push rod；6, push rod cap；8, sliding sleeve；13, it pushes pin；16, spring；14, switching oral area；200, pouch
Tension link；300, injector.
Specific embodiment
In the following, referring to attached drawing, specific embodiments of the present invention will be described in detail.
Fig. 1 shows be capsular tension ring implanting device 100 involved in specific embodiment, wherein (a) be pouch tension
The side view of ring implanting device, (b) is its oblique view, (c) is with the oblique view under 200 state of capsular tension ring, and the figure
A part of middle capsular tension ring is not yet pushed out capsular tension ring implanting device.Fig. 2 is for indicating above-mentioned capsular tension ring implantation
The internal structure of device, wherein (a) is sectional view, is (b) office of push rod front end and implanting device body engaging portions in (a)
Portion's enlarged drawing.
As shown in Figure 1 and Figure 2, capsular tension ring implanting device 100 (can also be referred to as implanting device 100 below) includes implanting device
Main body A, implant head B and core bar C, implanting device main body A are in elongated tubular product on the whole, and implant head B is fixedly mounted on implanting device main body A
One end, core bar C is mounted on inside implanting device main body A in a manner of it can slide, also, (shape is not used in the normal state
Under state), a part of core bar C is stretched out from the end (other end) opposite with the installation end of implant head B of implanting device main body A.
It (while being also core bar when injecting by front side of implant head A side for purposes of illustration only, in following narration
Moving direction in front of), using the exposed portion side of core bar C as rear side, also, unless otherwise instructed, between each component
Positional relationship refers to the positional relationship that capsular tension ring implanting device 100 is under unused state.
When using capsular tension ring implanting device 100, operator pushes forward core bar C, makes it in implanting device main body A
It slides and moves forward, suffer from so that capsular tension ring 200 (can also be referred to as tension link 200 sometimes) is pushed into via implant head A
In eye.
Each structural element of capsular tension ring implanting device 100 is described in detail respectively below.
<implanting device main body A>
Implanting device main body A has inner cylinder 2, covers in the outer cylinder 3 except inner cylinder 2 and cover the grip part 4 outside outer cylinder 3.?
In present embodiment, inner cylinder 2, outer cylinder 3 are all that metal material is made with grip part 4, and three passes through tightening of rivet together.In addition
It can also be fixed together by welding.
What Fig. 6 was indicated is the structure of inner cylinder 2, wherein (a) is the side view of inner cylinder 2, is (b) oblique view with (c).
As shown in fig. 6, inner cylinder 2 is the hollow tube of both ends open, it is made of medical stainless steel material.The tube wall of inner cylinder 2
On offer avoid holes 2a, guide groove 2b, rivet hole 2c and rivet hole 2d.Wherein, avoid holes 2a be located at rear end and with it is aftermentioned
It is corresponding to install the mounting hole of pin 11 on push rod 1；Guide groove 2b is configured in the inner peripheral portion opposite with avoid holes 2a,
And axially extend, portion 11a cooperation is directed to on aftermentioned push rod 1；Rivet hole 2c is for by inner cylinder 2, outer cylinder 3 and grip part
The rivet that 4 threes tighten together passes through；Rivet hole 2d is a pair, and the diametrically opposed configuration of the two will be implanted into for aftermentioned
The first 1 rivet 5a1 being mounted on inner cylinder 2 is passed through.
Fig. 7 indicate the outer cylinder 3 being assembled in together and grip part 4 structure, wherein (a) be side view, (b) with (c)
For oblique view.
As shown in fig. 7, outer cylinder 3 is the tube body of both ends open, in conjunction with Fig. 1, Fig. 2, set is in the outside of inner cylinder 2.Outer cylinder 3 by
Medical stainless steel is made, and specific material can be identical as inner cylinder 2, can also be different.In addition, the Method for Installation flange-like on outer cylinder 3
Grip part 4, which has cylindrical portion 4a, and specifically cylindrical portion 4a covers on outer cylinder 3.It is set on cylindrical portion 4a
There are rivet hole 4a1, rivet hole 4a1 to pass through for the rivet that inner cylinder 2, outer cylinder 3 tighten together with 4 three of grip part.
<implant head B>
Fig. 5 show the structure of the implant head B in present embodiment, wherein (a) is side view, and (b) and (c) is strabismus
Figure.
As shown in figure 5, the guide pipe 12 that implant head B has inner cylinder connector 5 and is fixed on the inner cylinder connector 5,
In the present embodiment, inner cylinder connector 5 and guide pipe 12 are all medical stainless steel product.Inner cylinder connector 5 has cylindrical shape
The front end of the portion 5a and pyramidal portion 5b than cylindrical portion 5a major diameter, cylindrical portion 5a insertion inner cylinder 2 is simultaneously fixed by rivet 5a1
On inner cylinder 2.
As shown in Fig. 2, the rear end cap of inner cylinder 2 is mounted in the front end outer side of push rod 1, the front end of inner cylinder 2 and cylinder shown in fig. 5
Shape portion 5a cooperation.It connects and the hole that is aligned is (on inner cylinder 2 more specifically, being respectively equipped on the front end of inner cylinder 2, cylindrical portion 5a
Be rivet hole 2c), inner cylinder 2 is matched with this some holes via rivet 5a1 with inner cylinder connector 5 to tighten together.
Guide pipe 12 is elongated tubular, runs through inner cylinder connector 5 in the longitudinal direction, thus, the cylinder of guide pipe 12 and inner cylinder 2
The guide pipe 12 is protruded into the connection of interior space, aftermentioned 13 front end of pushing pin.
In addition, in the present embodiment, the front end portion of guide pipe 12 is bending, in order to guide capsular tension ring
200.In the present embodiment, the length is 20-50mm.
In addition, in the present embodiment, a U-shaped gap being recessed backward is also opened up on the end face of the front end of guide pipe 12
12a, by the diametrical direction of gap 12a with push pin 13 the opening direction of miniature hook 13a (Fig. 8) of front end it is vertical, or
Person says capsular tension ring when diametrical direction and miniature hook 13a where gap 12a catch on the eyelet 201 of capsular tension ring 200
200 axially vertical (referring to Fig. 8).When capsular tension ring 200 to be loaded in guide ring 12 and release from guide pipe 12,
A part of capsular tension ring 200 is placed in and (is contained in) in the gap 12a, in this way, can be to pouch tension via gap 12a
Ring 200 is positioned, and limits the launch direction or moving direction of capsular tension ring 200, capsular tension ring 200 is avoided to inject
Shaking is generated in journey, it is ensured that it releases stability.
In use, push pin 13 release when miniature hook 13a it is vertical with the gap 12a on 12 head of guide pipe, and miniature hook 13a
Direction is always towards the right side.Capsular tension ring implanting device 100 should be with capsular tension ring no-float, and capsular tension ring is easy for installation, fixed
Position is reliable；Miniature hook 13a can easily catch capsular tension ring left part eyelet, in the same plane, by capsular tension ring Yan Qiben
The inner passage (pipeline) of guide pipe is smoothly taken in and release to body curve, smoothly can take in and release, capsular tension ring 200 is complete
After full release, it is easy and 13 disengagings of pushing pin.
<core bar C>
As shown in Fig. 2, core bar C is by push rod 1,13 (pushing mechanism) of pushing pin that are fixed on 1 front end of push rod, with dismountable side
Formula is mounted on the equal composition of push rod cap 16 of 1 rear end of push rod.Wherein, the front end of push rod 1 is pushed away out of inner cylinder 2 is protruded at rear pipe
The configuration of needle 13 is in the cylinder of inner cylinder 2 in space.In addition, being configured with spring between push rod 1 and the inner cylinder connector 5 of implant head A
16, spring 16 applies active force backward to push rod 1, and when operator carries out push operation, core bar C overcomes the effect of spring 16
Power and move forward.
What Fig. 3 was indicated is the structure of core bar C, wherein (a) is the side view of core bar C, (b) and (c) is oblique view, (d) is
The side view of the push rod 1 of core bar C is (e) oblique view of push rod 1.
As shown in Figure 2 and Figure 3, push rod 1 have push rod main body 17, be formed in push rod main body 17 rear end switching oral area 14,
It is located at the transition connection section 15 of 17 front end of push rod main body.Push rod main body 17, transition connection section 15 push pin 13, the radial ruler of three
It is very little to be sequentially reduced, to form step end face (i.e. push rod main body 17 in the front end of push rod 1 and transition connection section 15 connection
Front end face).The sliding sleeve 8 made of PEEK material is installed in transition connection section 15, which is cylindrical in shape,
The inner peripheral surface sliding contact of outer peripheral surface and inner cylinder 2 makes push rod 1 exist so as to reduce the frictional force between push rod 1 and inner cylinder 2
Movement is more smooth in bolus infusion processes.
In addition, in the present embodiment, the position of sliding sleeve 8 in the longitudinal direction is set as, make thereafter end face with it is upper
State step end face (i.e. the front end face of push rod main body 17) contact.
Before 16 sets of spring are being pushed pin in 13, transition connection section 15, and the rear end of spring 16 is connected to the sliding sleeve 8
On end face, that is, spring 16 is compressed between sliding sleeve 8 and the inner cylinder connector 15 of implant head B, across sliding sleeve 8 to pushing away
Bar 1 exerts a force.
In addition, as shown in figure 3, being covered on the peripheral wall of transition connection section 15 in being equipped at the position of push rod main body 17
Cylinder fixation hole 15b, a riveting column 8a sequentially pass through sliding sleeve 8 and sleeve fixation hole 15b to which sliding sleeve 8 is fixed on transition
On linkage section 15., and its rear end is connected at the second step portion.
In addition, in the present embodiment, push rod main body 17 is individually formed with transition connection section 15, the two is by being welded and fixed
Together.In addition, pushing pin 13 also by being weldingly fixed in transition connection section 15.
In addition, a pair of mounting hole radially penetrated through is also provided with (at push rod gasket 8) on push rod 1, in this pair
Riveting has the pin 11 of a pair of of PEEK on mounting hole, also, the same end of this pair of of pin 11 is from the outer surface of push rod 1
It stretches out a part formation and is directed to portion 11a, this is directed in the guide groove 2b that portion 11a is protruded on inner cylinder 2, is directed to slot 2b and draws
It leads, makes the direction of push rod 1 injected movement and keep stable, while also push rod 1 being inhibited to rotate relative to inner cylinder 2.In addition, being led
When being moved to the front end of guide groove 2b to portion 11a, be directed to slot 2b blocking so that core bar (push rod 1, push pin 13) cannot continue to
Preceding movement is directed to the position-limit mechanism that portion 11a and guide groove 2b are also constituted simultaneously.
As described above, on inner cylinder 2 be equipped with avoid holes 2a, when assembling implanting device, avoid holes 2a on push rod 1 to pacify
The mounting hole of dress pin 11 aligns, and facilitates and pin 11 is mounted on push rod 1.
Push rod main body 17, transition connection section 15 are made of hollow tube-shape medical stainless steel component, and it is spacious that the two forms rear end
It opens, the closed tubular structure in front end, that is, the inside of the push rod 1 forms cavity 101, and the rear end of cavity 101 is opened by switching oral area 14
Open (open rearward end of switching oral area 14, in other words, cavity 101 has opening on the rear end face of push rod 1), the push rod of PEEK
Cap 6 is removably mounted on the switching oral area 14, to close the cavity 101.
Offer the water hole 15a radially penetrated through in transition connection section 15, water hole 15a make push rod main body 17 with
Cavity 101 in changeover portion 15 is connected to space in the cylinder of inner cylinder 2.In addition, in the present embodiment, being equipped with a pair of of water hole
15a, the two relative configuration, that is, be spaced the angle of 180 degree.Alternatively, it is also possible to circumferentially be disposed at equal intervals the mistake of other quantity
Water hole.
It is bigger than the diameter of push rod main body 17 in the switching oral area 14 that the rear end of the push rod main body 17 of push rod 1 is formed, in order to
Connect (Fig. 4) such as injectors 300.When cleaning tension link implanting device 100, as shown in figure 4, unloading lower push-rod cap 6, pass through injector
Connect on tension link implanting device 100 by the converting interface 14, filled the water into the cavity 101 of push rod 1, water flow via water hole 15a into
Enter the inner cavity of inner cylinder 2, and flowed out via guide pipe 12, thus allows for rinsing.
In addition, in the present embodiment, push rod cap 6 is by be different from the color of push rod 1, implanting device main body A, with prompt
Operator's push rod cap 6 can unload, such as the color of push rod 1, implanting device main body A is blue, and the color of push rod cap 6 is ecru.
<cleaning method>
The cleaning method of mentioned strain ring implanting device 100 is illustrated below.
1. conventional cleaning
1.1 is first using that should clean capsular tension ring implanting device immediately after preceding and each use, should especially remove implanting device
Residue in pipeline.
1.2. external residue is wiped with one plot of wet cloth.
1.3. the part before implanting device pipeline location A is completely immersed in ultrasonic cleaning solution and is cleaned by ultrasonic 1 minute.It is imitative
Using motion action implanting device, so that miniature hook is also exposed in ultrasonic cleaning solution.
1.4 remove the ecru push rod cap 6 (bar plug) at push rod rear portion, and injector is connect by a converting interface and is being implanted into
On device.It is connected on cleaning sterilizing device interface with distilled water flushing implanting device about 1 minute (see Fig. 5), or by implanting device.
Ecru bar plug must also clean in container appropriate.After implanting device cleans, dried up with compressed air.Ensure no moisture
Remain in implanting device.
Ecru bar plug after disinfection is mounted in implanting device push rod by 1.5 again.
2. prerinse
If stayed in implanting device pipeline there are many residue, it is proposed that first being cleaned with 0.3%H2O2, place 5 minutes
It is rinsed again with clear water afterwards.Concrete operation method are as follows: place 5 points using 20mL disposable syringe injection 0.3%H2O2 (see Fig. 6)
It is rinsed about 1 minute after kind with clear water, completes to clean according still further to Conventional cleaning method later.
In addition, though the material of the component of capsular tension ring implanting device 100 and enzyme cleaning agent and detergent be it is compatible,
But enzyme cleaning agent and detergent had better not be used, because if cannot correctly clean and remove on ophthalmic instruments
Enzyme and cleaning agent, it is likely that lead to camera oculi anterior toxic reaction syndrome (TASS).
From the foregoing, it will be observed that using the capsular tension ring implanting device 100 of present embodiment, in cleaning, with injector 300 to pushing away
Water filling in bar 1, water flow is flowed out via space in the cylinder of inner cylinder 2 from guide pipe 3, to be easily achieved cleaning.
Specifically, the capsular tension ring implanting device 100 of present embodiment has implanting device main body A, it is cylindrical in shape；Implantation
Head B, be mounted on the front end of implanting device main body A, have can configure capsular tension ring 200 inner passage (guide pipe 12
Pipeline)；Core bar C (including push rod 1 and push pin 13), is installed on implanting device in a manner of it can move in implanting device main body A
Main body A, at least end (rear end of push rod 1) is exposed to except implanting device main body A thereafter, can be operated and planted by operator
Enter and moves forward in device main body A to release capsular tension ring 200 from the implant head B (by pushing pin 13).In addition, core bar C
The inside of (push rod 1) has cavity 101, space (space in the cylinder of inner cylinder 2) in the cylinder that cavity 101 passes through implanting device main body A
Be connected to the inner passage (pipeline of guide pipe 12) of implant head B, and cavity 101 core bar C be exposed to implanting device main body A it
Outer rear end has opening (open rearward end of switching oral area 14).
Thus, in cleaning, injector etc. can be connect in the opening of the rear end of core bar C, the cavity into core bar C
101 water fillings, water flow enter space in the cylinder for the implanting device main body A being connected to the cavity 101, and logical via the inside of implant head B
Road outflow, so, it is possible to be easy to carry out cleaning.
<installation of capsular tension ring and inject>
1. in present embodiment, capsular tension ring implanting device 100 is designed as clockwise, operation implantation capsular tension ring
200。
2. 200 opening portion face operator of capsular tension ring is pressed the push rod of capsular tension ring implanting device 100 at this time
1 (passing through push rod cap 6) exposes the miniature hook 13a in 13 heads that pushes pin.The left side eyelet of capsular tension ring 200 is hooked with miniature hook 13a
201 (are not the right eyelets, see (b) and (c) in Fig. 8, (b) be wrong way, (c) be correct way, so installation can be effective
Guarantee that capsular tension ring 200 is placed in gap 12a).
3. the miniature hook that ensures to push pin protrudes into eyelet, rather than except eyelet or at its rear (in Fig. 8 (a)).When
It determines after pushing pin miniature hook 13a in eyelet 201, can slowly loosen push rod.In this way can by capsular tension ring 200 along it from
The curve of body is drawn in the pipeline of guide pipe 12.
4. push rod 1 not put too fast, because capsular tension ring 200 can be caused to draw in guide pipe 12 by too fast in this way
It is interior, it is possible to which that the eyelet 201 that will lead to capsular tension ring 200 damages.Only when capsular tension ring 200 is all drawn into guide pipe
In 12 pipelines, it can just loosen push rod 1 completely.At this point, capsular tension ring 200 is ready for preparing to be implanted in pouch.
5. capsular tension ring implanting device 100 to be directed to the incision site for suffering from eye, so that capsular tension ring 200 can enter capsule
Bag.By the application thrust of the push rod 1 to capsular tension ring implanting device 100, capsular tension ring 200 is implanted into pouch, allows pouch
Tension link 200 is slowly mobile clockwise, moves ahead naturally along pouch curve.It is only implanted when capsular tension ring 200 is whole,
Capsular tension ring 200 can be unclamped from the miniature hook 13a of capsular tension ring implanting device 100 to push pin on 13.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
For example, in the above-described embodiment, inner cylinder 2, outer cylinder 3, push rod 1, guide pipe 12 etc. are made of stainless steel material, so
And the present invention is not limited thereto, such as can also be made of titanium and its alloy.
In addition, about switching oral area 14, thus it is possible to vary it is diversified forms, for example, in the above-described embodiment, oral area of transferring
14 form bigger than the diameter of push rod main part 17, realize connection in the connector insertion switching oral area 14 of injector, however,
It can be switching oral area 14 and be inserted into realization connection in the connector of injector；For another example in the above-described embodiment, oral area 14 of transferring
It is circle but it is also possible to be rectangular.
In addition, in the above-described embodiment, the cavity 101 inside push rod 1 is closed by push rod cap 6, in cleaning by push rod
Cap 6 unloads, however, the present invention is not limited thereto, such as can also the directly aperture on push rod cap 6, when cleaning connects injector
On push rod cap 6.
In addition, in the above-described embodiment, push rod main body 17 is respectively formed with transition connection section 15, it is fixed by welding in
Together, however, the two also may be integrally formed.Furthermore it in the above-described embodiment, pushes pin and 13 is respectively formed with push rod 1, passed through
It is welded and fixed together, (pushes pin 13 integrally formed or push pin with transition connection section 15 however, the two also may be integrally formed
13, transition connection section 15 and 17 three in one of push rod main body are formed).
In the above-described embodiment, the connection about space in the cylinder of cavity 101 and implanting device main body 2 inside push rod 1
Implementation, illustration be on the outer peripheral surface of transition connection section 15 be arranged water hole 15a (through-hole) mode, however, this
Invention is not limited to this, such as water hole can also be arranged on the front end face of transition connection section 15, which can be set
It is multiple, circumferentially it is uniformly distributed.
Claims (10)
1. a kind of capsular tension ring implanting device, includes
Implanting device main body (a) is cylindrical in shape；
Implant head (b) is mounted on the front end of the implanting device main body (a), and the interior of capsular tension ring (200) can be configured by having
Portion channel；
Core bar is installed on the implanting device main body (a) in a manner of it can move in the implanting device main body (a), at least
Thereafter end is exposed to except the implanting device main body (a), can be introversive in the implanting device main body (a) by operator's operation
Preceding movement to by capsular tension ring (200) from the implant head (b) release,
It is characterized in that,
The inside of the core bar has cavity (101), space in the cylinder that the cavity (101) passes through the implanting device main body (a)
And it is connected to the inner passage of the implant head (b), and the cavity (101) is exposed to the implantation in the core bar
Rear end except device main body (a) has opening.
2. capsular tension ring implanting device according to claim 1, which is characterized in that
The core bar includes push rod (1) and pushes pin (13), and push pin (13) are mounted on the front end of the push rod (1), described to push away
The rear end of bar (1) is exposed to except the implanting device main body (a), and the cavity (101) is formed in the push rod (1).
3. capsular tension ring implanting device according to claim 2, which is characterized in that
The opening is formed on the rear end face of the push rod (1), is operated by being removably installed and carrying out promotion for operator
Push rod cap (6) closing.
4. capsular tension ring implanting device according to claim 3, which is characterized in that the push rod (1) has push rod main body
(17) be formed in the switching oral area (14) of push rod main body (17) rear end, the opening is formed in the switching oral area (14).
5. capsular tension ring implanting device according to claim 4, which is characterized in that the switching oral area (14) is by radial ruler
The very little large-diameter portion bigger than the push rod main body (17) is constituted.
6. capsular tension ring implanting device according to claim 2, which is characterized in that
The push rod (1) has push rod main body (17) and is set to push rod main body (17) front end and radial dimension than the push rod
The small transition connection portion (15) of main body (17),
It is equipped with water hole (15a) on the peripheral wall of the transition connection portion (15), the cavity (101) is via the water hole
(15a) and be connected to space in the cylinder of the implanting device main body (a).
7. capsular tension ring implanting device according to claim 2, which is characterized in that in the outer of the front of the push rod (1)
It is cased on circumferential surface sliding sleeve (8), the outer peripheral surface of the sliding sleeve (8) and the inner peripheral surface of the implanting device main body (a) slide
Contact.
8. capsular tension ring implanting device according to claim 7, which is characterized in that the push rod has push rod main part
(17) be fixed on push rod main part (17) front end and the radial dimension transition connection portion smaller than the push rod main part
(15),
The sliding sleeve (8) is installed on the transition connection portion (15).
9. capsular tension ring implanting device according to claim 7 or 8, which is characterized in that the sliding sleeve (8) is by PEEK
Material is made.
10. capsular tension ring implanting device according to claim 1 to 8, which is characterized in that
The implant head have elongated guide pipe (12), the guide pipe (12) have can configure capsular tension ring (200)
And the inner passage being connected to space in the cylinder of the implanting device main body (a),
The gap (12a) that can accommodate capsular tension ring is equipped on the front end face of the guide pipe (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910363178.5A CN110013380A (en) | 2019-04-30 | 2019-04-30 | Capsular tension ring implanting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910363178.5A CN110013380A (en) | 2019-04-30 | 2019-04-30 | Capsular tension ring implanting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110013380A true CN110013380A (en) | 2019-07-16 |
Family
ID=67192965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910363178.5A Pending CN110013380A (en) | 2019-04-30 | 2019-04-30 | Capsular tension ring implanting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110013380A (en) |
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Address after: 102200 No. 9 Xingchang Road, Changping District Science and Technology Park, Beijing Applicant after: Abbott (Beijing) Medical Technology Co., Ltd. Address before: 102200 No.12 Building, 12 Changsheng Road, Changping District, Beijing Applicant before: Eponode (Beijing) Medical Technology Co., Ltd. |