CN106073987A - A kind of simple silicone oil extraction apparatus - Google Patents
A kind of simple silicone oil extraction apparatus Download PDFInfo
- Publication number
- CN106073987A CN106073987A CN201610462505.9A CN201610462505A CN106073987A CN 106073987 A CN106073987 A CN 106073987A CN 201610462505 A CN201610462505 A CN 201610462505A CN 106073987 A CN106073987 A CN 106073987A
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- CN
- China
- Prior art keywords
- piston
- cylinder
- silicone oil
- convex shoulder
- empty cylinder
- 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.)
- Pending
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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
- A61F9/00709—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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/80—Suction pumps
- A61M1/81—Piston pumps, e.g. syringes
- A61M1/815—Piston pumps, e.g. syringes the barrel serving as aspiration container, e.g. in a breast pump
-
- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0468—Liquids non-physiological
-
- 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
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Ophthalmology & Optometry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Anesthesiology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Hematology (AREA)
- Surgery (AREA)
- Prostheses (AREA)
Abstract
The present invention relates to medical apparatus and instruments, particularly a kind of simple silicone oil extraction apparatus, including sky cylinder, piston and silica gel tube, described silica gel tube is connected with empty cylinder, and described piston is inserted in described empty cylinder, and described piston can move in empty cylinder and rotate；Described empty cylinder is hollow structure, and the front end of empty cylinder is connected with described silica gel tube, and the rear end of empty cylinder has opening, and described opening is formed with being arranged in sky cylinder to enclose along upper catch by the interior edge of sky cylinder；Described piston includes piston top and piston rod, described piston top is positioned at sky cylinder, and one end of piston rod is connected with described piston top, and the other end stretches out from described opening, being additionally provided with convex shoulder on described piston rod, described convex shoulder can pass described opening and be stuck on the catch of described opening.The silicone oil extraction apparatus simple in construction of the present invention, compact, simple operation, with low cost, it is possible in making sky cylinder, to form constant negative pressure.
Description
Technical field
The present invention relates to medical apparatus and instruments, particularly a kind of simple silicone oil extraction apparatus.
Background technology
In vitreous excision associating Silicone oil eye, Plugging detachment of retina has become as modus operandi conventional clinically,
When treatment, reattachment of retina need to be supported to patient's Intraocular tamponade silicone oil, after the retina of patient resets completely, then by patient
The silicone oil removal of ophthalmic.The taking-up of intra-ocular silicon oil can use the silicone oil removal of the supporting generation of phaco manufacturer
Bag, it utilizes continuous negative pressure that phaco produces, takes out silicone oil by the relevant equipment of oil drawer tool bag dispensing, but
The price being this medical apparatus and instruments is much more expensive, causes expenses of surgical treatment high, has increased the weight of the financial burden of patient.
In view of the foregoing, prior art occurs in that the oil drawer tool utilizing syringe to make.Such as Chinese patent literature
Medical silicone oil extraction apparatus disclosed in CN202982374, this device can be used for intra-ocular silicon oil and takes out in operation, but because its structure sets
The defect of meter, as piston rod can not position, can not form stable negative pressure, and then extend silicone oil absorption in causing injector syringe
Process, increase patient's pain, even cause operative failure.Chinese patent literature CN203724303 discloses another kind of ophthalmic silicon
Oil extractor, it is offered pin-and-hole on the piston rod of syringe, increases bracing frame and operating mechanism, alignment pin is snapped in pin-and-hole
In, then with bracing frame tractive alignment pin, to stop piston rod to reset, it is ensured that negative regulation in injector syringe, but, this device
Structure is complicated, complex operation, and is unfavorable for performing the operation and carries out smoothly, and, the design of bracing frame and operating mechanism adds cost,
Its practicality is poor.
Summary of the invention
In order to overcome the defect of prior art, the present invention provides a kind of compact conformation, simple operation, practicality the most simply
Silicone oil extraction apparatus.
The simple silicone oil extraction apparatus of the present invention includes that sky cylinder, piston and silica gel tube, described silica gel tube are connected with empty cylinder, institute
Stating piston to be inserted in described empty cylinder, described piston can move in empty cylinder and rotate；Described empty cylinder is hollow structure, empty cylinder
Front end be connected with described silica gel tube, the rear end of empty cylinder has opening, and described opening is by the interior edge of empty cylinder and is arranged in sky cylinder
Formation is enclosed along upper catch；Described piston includes that piston top and piston rod, described piston top are positioned at sky cylinder, the one of piston rod
End is connected with described piston top, and the other end stretches out from described opening, and described piston rod is additionally provided with convex shoulder, and described convex shoulder can
Through described opening and be stuck in described opening catch on.
Further, after the empty cylinder of described convex shoulder removal, described convex shoulder and described opening can be made by rotary-piston bar
Dislocation, described catch limits described piston and moves to the front end of empty cylinder.
Further, the outer wall of described piston top and the inwall laminating of described empty cylinder, described convex shoulder is arranged on the piston rod
One end near described piston top.
Preferably, described opening is strip, and the quantity of described convex shoulder is two, and two described convex shoulders are mutually in 180 °.
Preferably, the outer edge of described convex shoulder and the contact internal walls of described empty cylinder.
Preferably, the cross sectional shape of described convex shoulder is consistent with the shape of described opening, and the cross section of convex shoulder is less than described opening.
Preferably, described piston also includes the piston handle being positioned at outside sky cylinder, and described piston handle is connected with piston rod.
Preferably, the front end of described empty cylinder has nipple, and described silica gel tube is connected with described nipple.
When using the silicone oil extraction apparatus of the present invention, by piston rod pull outside empty cylinder, until the convex shoulder on piston rod is worn
Cross the opening of empty tube rear end, in this space-time cylinder, define negative pressure, rotary-piston bar, make the convex shoulder on piston rod and empty tube rear end
Opening offset, the negative pressure in empty cylinder can just further to empty cylinder front end by piston rod, but owing to being kept off after convex shoulder and opening offset
Sheet blocks, and prevents piston rod to move to empty cylinder front end so that is formed in empty cylinder and stablizes negative pressure.
The invention has the beneficial effects as follows: the silicone oil extraction apparatus simple in construction of the present invention, compact, simple operation, low cost
Honest and clean, it is possible in making sky cylinder, to form constant negative pressure.The silicone oil extraction apparatus utilizing the present invention can realize quickly taking out patient's ophthalmic
Silicone oil, safe and reliable, be beneficial to operation carry out smoothly.
Accompanying drawing explanation
In order to be illustrated more clearly that technical scheme, below will be to required in embodiment or description of the prior art
The accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only some embodiments of the present invention, right
From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain it according to these accompanying drawings
Its accompanying drawing.
Fig. 1 is the structural representation of the simple silicone oil extraction apparatus of the present invention；
Fig. 2 is the right view of Fig. 1 hollow；
Fig. 3 is the sectional view of piston rod in Fig. 1；
Fig. 4 is the schematic diagram of convex shoulder and empty cylinder upper shed dislocation.
In figure: 1-sky cylinder, 2-piston, 3-silica gel tube, 4-intrusion pipe, 11-opening, 12-catch, 13-nipple, 21-piston
Top, 22-piston rod, 23-piston handle, 24-convex shoulder.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of not making creative work all its
His embodiment, broadly falls into the scope of protection of the invention.
Seeing Fig. 1, the present invention provides a kind of simple silicone oil extraction apparatus, including sky cylinder 1, piston 2, silica gel tube 3 and perfusion
Pipe 4, described silica gel tube 3 one end is connected with intrusion pipe 4, and the other end is connected with empty cylinder 1, and described piston 2 is inserted into described empty cylinder 1
In, described piston can move in empty cylinder and rotate.
Wherein, the length of described intrusion pipe is about 10mm, is made up of two sections of pipe fitting sleevings, and wherein one section of pipe fitting is rustless steel
Material, other end pipe fitting is plastic material, and the pipe fitting of this plastic material is connected with described silica gel tube.
Described empty cylinder 1 is hollow structure, and the front end of empty cylinder has nipple 13, and the rear end of empty cylinder has opening 11, described silicon
Sebific duct 3 is connected with described nipple, and described opening 11 encloses along upper catch 12 by the interior edge of empty cylinder with in being arranged on sky cylinder and formed,
Opening 11 be preferably shaped to strip；
Described piston 2 includes that piston top 21, piston rod 22 and piston handle 23, described piston top 21 are positioned at sky cylinder 1, piston
One end of bar 22 is connected with described piston top 21, and the other end stretches out from described opening 11 and is connected with piston handle 23, described piston
Handle 23 is positioned at outside sky cylinder, and described piston rod 22 is additionally provided with convex shoulder 24, and described convex shoulder 24 can pass described opening 11 and block
On the catch 12 of described opening.
The outer wall of described piston top and the inwall laminating of described empty cylinder, described convex shoulder 24 is arranged on piston rod 22 near institute
State one end of piston top 21.For ensureing that piston rod successfully moves along empty cylinder inwall, it is to avoid produce skew, described convex shoulder 24
Outer edge and the contact internal walls of described empty cylinder.
Fig. 2 shows the shape of the opening of sky tube rear end, the most elongated, by empty cylinder inside edge and symmetrically arranged two
Individual catch encloses formation.Fig. 3 is the sectional view after cutting at the convex shoulder of piston rod 22, and the quantity of convex shoulder is two, and two convex
Shoulder 24 is all connected with piston rod, and two described convex shoulders 24 are mutual in 180 °.The cross sectional shape of described convex shoulder 24 and described opening 11
Shape is consistent, and the cross section of convex shoulder is slightly less than described opening 11.
It is used for extracting intra-ocular silicon oil by apparatus of the present invention, including:
(1) promote piston rod 22, make the front end of piston top 21 offset with empty cylinder 1 front inner wall；
(2) use sclerotic puncture cutter to puncture sclera, material on intrusion pipe 4 is stainless one section and inserts in sclera, fill
The upper material of note pipe is one section of plastics and is exposed at outside eye, adjusts silica gel tube 3 position and makes it contact with conjunctivae and selerae, it is ensured that intrusion pipe
4, the channels open that silica gel tube 3 and empty cylinder 1 are formed；
(3) outside pull piston rod 22, until the convex shoulder 24 on piston rod 22 is through the opening 11 of empty cylinder 1 rear end, rotates
Piston rod 22, makes convex shoulder 24 on piston rod misplace with the opening 11 of empty tube rear end, by catch 12 after convex shoulder and opening offset
Block (as shown in Figure 4), stop piston rod to move to empty cylinder front end, formed in making sky cylinder and stablize negative pressure, negative pressure in empty cylinder
Under effect, the silicone oil of patient's ophthalmic is inhaled in sky cylinder.
Apparatus of the present invention have simple in construction, safe and reliable, simple operation, advantage with low cost, are beneficial to guarantee operation
It is smoothed out.
The above disclosed presently preferred embodiments of the present invention that is only, can not limit the right of the present invention with this certainly
Scope, the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is contained.
Claims (8)
1. a simple silicone oil extraction apparatus, including sky cylinder (1), piston (2) and silica gel tube (3), described silica gel tube (3) and empty cylinder
(1) connecting, described piston (2) is inserted in described empty cylinder (1), and described piston can move in empty cylinder and rotate, its feature
It is,
Described empty cylinder (1) is hollow structure, and the front end of empty cylinder is connected with described silica gel tube (3), and the rear end of empty cylinder has opening
(11), described opening (11) encloses along upper catch (12) by the interior edge of empty cylinder with in being arranged on sky cylinder and is formed,
Described piston (2) includes piston top (21) and piston rod (22), and described piston top (21) is positioned at sky cylinder (1), piston rod
(22) one end is connected with described piston top (21), and the other end stretches out from described opening (11), and described piston rod also sets on (22)
Being equipped with convex shoulder (24), described convex shoulder (24) can pass described opening (11) and be stuck on the catch (12) of described opening.
Simple silicone oil extraction apparatus the most according to claim 1, it is characterised in that at the empty cylinder of described convex shoulder (24) removal
(1) after, described convex shoulder (24) can be made to misplace with described opening (11) by rotary-piston bar, described catch (12) limits described
Piston moves to the front end of empty cylinder.
Simple silicone oil extraction apparatus the most according to claim 2, it is characterised in that the outer wall of described piston top and described sky
The inwall laminating of cylinder, described convex shoulder (24) is arranged on the upper one end near described piston top (21) of piston rod (22).
Simple silicone oil extraction apparatus the most according to claim 1, it is characterised in that described opening (11) is strip, institute
The quantity stating convex shoulder (24) is two, and two described convex shoulders (24) are mutually in 180 °.
Simple silicone oil extraction apparatus the most according to claim 3, it is characterised in that the outer edge of described convex shoulder (24) and institute
State the contact internal walls of sky cylinder.
6. according to the simple silicone oil extraction apparatus described in any one in claim 1-5, it is characterised in that described convex shoulder (24)
Cross sectional shape consistent with the shape of described opening (11), the cross section of convex shoulder be less than described opening.
Simple silicone oil extraction apparatus the most according to claim 1, it is characterised in that described piston also includes being positioned at outside sky cylinder
Piston handle (23), described piston handle (23) is connected with piston rod (22).
Simple silicone oil extraction apparatus the most according to claim 1, it is characterised in that the front end of described empty cylinder has nipple
(13), described silica gel tube (3) is connected with described nipple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610462505.9A CN106073987A (en) | 2016-06-23 | 2016-06-23 | A kind of simple silicone oil extraction apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610462505.9A CN106073987A (en) | 2016-06-23 | 2016-06-23 | A kind of simple silicone oil extraction apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106073987A true CN106073987A (en) | 2016-11-09 |
Family
ID=57253217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610462505.9A Pending CN106073987A (en) | 2016-06-23 | 2016-06-23 | A kind of simple silicone oil extraction apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106073987A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106726122A (en) * | 2017-02-20 | 2017-05-31 | 中山大学中山眼科中心 | A kind of manual intra-ocular silicon oil withdrawal device and operating method |
| CN106963544A (en) * | 2017-04-07 | 2017-07-21 | 侯泽江 | Suction type silicone oil extractor |
| CN109498264A (en) * | 2018-12-21 | 2019-03-22 | 南通市第人民医院 | A kind of ophthalmologic operation is with taking silicone oil device |
-
2016
- 2016-06-23 CN CN201610462505.9A patent/CN106073987A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106726122A (en) * | 2017-02-20 | 2017-05-31 | 中山大学中山眼科中心 | A kind of manual intra-ocular silicon oil withdrawal device and operating method |
| CN106963544A (en) * | 2017-04-07 | 2017-07-21 | 侯泽江 | Suction type silicone oil extractor |
| CN109498264A (en) * | 2018-12-21 | 2019-03-22 | 南通市第人民医院 | A kind of ophthalmologic operation is with taking silicone oil device |
| CN109498264B (en) * | 2018-12-21 | 2020-01-14 | 南通市第一人民医院 | Silicone oil taking device for ophthalmic surgery |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161109 |