CN214180770U - Device for taking silicone oil out of aphakic anterior chamber - Google Patents
Device for taking silicone oil out of aphakic anterior chamber Download PDFInfo
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- CN214180770U CN214180770U CN202022991750.3U CN202022991750U CN214180770U CN 214180770 U CN214180770 U CN 214180770U CN 202022991750 U CN202022991750 U CN 202022991750U CN 214180770 U CN214180770 U CN 214180770U
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- anterior chamber
- silicone oil
- cylinder
- threaded rod
- silicon oil
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Abstract
The utility model discloses an aphakic anterior chamber silicon oil remove device belongs to medical instrument technical field, and it includes the cylinder, the inside left side of cylinder is provided with the piston, the right flank joint of piston has the bearing, the threaded rod has been cup jointed in the bearing, the surperficial threaded connection of threaded rod has a screw thread section of thick bamboo, screw thread section of thick bamboo joint is at the right flank of cylinder, the right-hand member fixedly connected with knob of threaded rod. This no lens eye anterior chamber silicon oil remove device, through adopting the sharp pointed end of pjncture needle puncture cornea to the anterior chamber, can be according to the depth machine angle that the position adjustment of anterior chamber silicon oil got into, can fully drainage anterior chamber silicon oil, it is rotatory to drive the threaded rod through rotating the knob simultaneously, under the effect of screw thread section of thick bamboo, make the threaded rod pass through the bearing and drive the at the uniform velocity extraction anterior chamber silicon oil of piston, thereby avoid traditional mode to remove the piston excessive and cause the damage to the anterior chamber, thereby the security of anterior chamber silicon oil extraction has been improved.
Description
Technical Field
The utility model belongs to the technical field of medical equipment, specifically be aphakic anterior chamber silicone oil remove device.
Background
After the complex vitreoretinopathy is subjected to vitreous cutting and silicone oil filling combined or not combined cataract ultrasonic emulsification and aspiration, particularly more than three months after operation, silicone oil is emulsified and enters the anterior chamber, irreversible injuries such as increased intraocular pressure and corneal endothelial cell loss are often caused, in the process of extracting the silicone oil, a mode of manually moving a piston is adopted, the amount of the silicone oil cannot be accurately controlled, and the anterior chamber is easily damaged due to improper operation.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome prior art's above-mentioned defect, the utility model provides an aphakic eye anterior chamber silicon oil remove device has solved present mainly to take silicon oil to take out the art, nevertheless anterior chamber silicon oil often remains, still leads to irreversible damage such as intraocular pressure rising, corneal endothelial cell lose often, and at the in-process of drawing silicon oil, adopts the mode of manual removal piston, and the volume of unable accurate assurance silicon oil causes the problem of injury because the operation is improper to the anterior chamber easily.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the device for taking out silicone oil from the anterior chamber of the aphakic eye comprises a needle cylinder, wherein a piston is arranged on the left side inside the needle cylinder, a bearing is clamped on the right side face of the piston, a threaded rod is sleeved in the bearing, a threaded cylinder is connected to the surface of the threaded rod in a threaded manner, the threaded cylinder is clamped on the right side face of the needle cylinder, a knob is fixedly connected to the right end of the threaded rod, anti-skid grains are arranged on the surface of the knob, a silicone oil drainage tube is sleeved at the left end of the needle cylinder, and a puncture needle is arranged at the.
As a further aspect of the present invention: the needle cylinder is made of non-toxic transparent plastic, and the surface of the needle cylinder is provided with scale values.
As a further aspect of the present invention: the inner diameter of the silicone oil drainage tube is 2mm, and the left end of the puncture needle is designed into a sharp inclined triangle.
As a further aspect of the present invention: a plurality of grooves are formed in the surface of the needle cylinder, and the grooves are located in the middle of the surface of the needle cylinder.
As a further aspect of the present invention: eight through holes are formed in the right side face of the needle cylinder and are annularly arranged.
As a further aspect of the present invention: the included angle between the silicone oil drainage tube and the needle cylinder is an obtuse angle.
(III) advantageous effects
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. this no lens eye anterior chamber silicon oil remove device, through adopting the sharp pointed end of pjncture needle puncture cornea to the anterior chamber, can be according to the depth machine angle that the position adjustment of anterior chamber silicon oil got into, can fully drainage anterior chamber silicon oil, it is rotatory to drive the threaded rod through rotating the knob simultaneously, under the effect of screw thread section of thick bamboo, make the threaded rod pass through the bearing and drive the at the uniform velocity extraction anterior chamber silicon oil of piston, thereby avoid traditional mode to remove the piston excessive and cause the damage to the anterior chamber, thereby the security of anterior chamber silicon oil extraction has been improved.
2. This no lens eye anterior chamber silicon oil remove device through adopting the silicon oil drainage tube of 2mm pipe diameter, can reduce the wound that the silicon oil drainage tube caused to the cornea for needn't watertight cornea incision after the operation, the silicon oil of anterior chamber emulsification easily passes through the silicon oil drainage tube simultaneously, plays the effect of guide silicon oil outflow, avoids anterior chamber silicon oil to remain and leads to the problem emergence of intraocular pressure rising, corneal endothelial cell loss.
3. According to the device for taking out the silicone oil from the anterior chamber of the aphakic eye, the silicone oil drainage tube and the needle cylinder are arranged in an included angle relationship, so that the device can be operated in the anterior chamber space, and is short in learning curve and easy to master.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is a schematic structural view of the syringe of the present invention viewed from the right;
in the figure: 1 syringe, 2 pistons, 3 bearings, 4 threaded rods, 5 threaded cylinders, 6 knobs, 7 silicone oil drainage tubes, 8 puncture needles, 9 grooves and 10 through holes.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
As shown in fig. 1-2, the utility model provides a technical solution: a device for taking silicone oil out of an anterior chamber of a lens-free eye comprises a needle cylinder 1, wherein a piston 2 is arranged on the left side inside the needle cylinder 1, a bearing 3 is clamped on the right side surface of the piston 2, the bearing 3 is arranged to enable a threaded rod 4 to rotate without driving the piston 2 to rotate, the threaded rod 4 is guaranteed to smoothly drive the piston 2 to move left and right, the threaded rod 4 is sleeved in the bearing 3, a threaded cylinder 5 is in threaded connection with the surface of the threaded rod 4, the threaded cylinder 5 is clamped on the right side surface of the needle cylinder 1, a knob 6 is fixedly connected to the right end of the threaded rod 4, anti-skid threads are arranged on the surface of the knob 6, a silicone oil drainage tube 7 is sleeved at the left end of the needle cylinder 1, a puncture needle 8 is arranged at the other end of the silicone oil drainage tube 7, the threaded rod 4 is driven to rotate by rotating the knob 6, the threaded rod 4 drives the piston 2 to extract the silicone oil in the anterior chamber at a constant speed through the bearing 3 under the action of the threaded cylinder 5, and accordingly damage to the excessive movement of the piston 2 in the traditional mode is avoided, thereby improving the safety of the extraction of the silicone oil from the anterior chamber.
Specifically, as shown in fig. 1, the needle cylinder 1 is made of non-toxic transparent plastic, the surface of the needle cylinder 1 is provided with scale values, the condition of extracting silicone oil in the needle cylinder 1 can be conveniently observed by setting the material and the scale values of the needle cylinder 1, the amount of extracting silicone oil can be determined according to the scale values, so that convenience is brought to use, the inner diameter of the silicone oil drainage tube 7 is 2mm, the wound of the silicone oil drainage tube 7 on the cornea can be reduced by adopting the silicone oil drainage tube 7 with the diameter of 2mm, a watertight corneal incision is not needed after operation, meanwhile, the silicone oil emulsified in the anterior chamber can easily pass through the silicone oil drainage tube 7 to play a role in guiding the outflow of the silicone oil, the problems of intraocular pressure increase and corneal endothelial cell loss caused by the silicone oil residue in the anterior chamber are avoided, the left end of the puncture needle 8 is designed into a sharp inclined triangle, the cornea is punctured into the anterior chamber by adopting the sharp tip of the puncture needle 8, can be according to the degree of depth machine angle that anterior chamber silicon oil's position adjustment got into, can fully drain out anterior chamber silicon oil, a plurality of recess 9 has been seted up on the surface of cylinder 1, a plurality of recess 9 all is located the middle part on 1 surface of cylinder, through setting up recess 9, can increase the frictional force on 1 surface of cylinder, prevent that cylinder 1 from the phenomenon of sliding appearing when using, the contained angle between silicon oil drainage tube 7 and the cylinder 1 is the obtuse angle, through setting up the contained angle relation between silicon oil drainage tube 7 and the cylinder 1, can be favorable to the operation in the front room space, the study curve is short, easily master.
Specifically, as shown in fig. 2, eight through holes 10 are opened on the right side surface of the needle cylinder 1, the eight through holes 10 are arranged in a ring shape, and the through holes 10 are arranged, so that the needle cylinder 1 and the external air circulate each other, and the piston 2 is ensured to move rightwards normally along with the threaded rod 4.
The utility model discloses a theory of operation does:
when the device is used, the needle cylinder 1 is held by hand, one sharp end of the puncture needle 8 punctures the cornea into the anterior chamber, the position of the puncture needle 8 is adjusted according to the position of anterior chamber silicone oil, then the threaded rod 4 is driven to rotate by rotating the knob 6, under the action of the threaded cylinder 5, the threaded rod 4 drives the piston 2 to move rightwards at a constant speed through the bearing 3, the anterior chamber silicone oil is extracted into the needle cylinder 1 from the silicone oil drainage tube 7, and when the anterior chamber silicone oil is extracted, the puncture needle 8 and the silicone oil drainage tube 7 are directly taken out.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (6)
1. Aphakic anterior chamber silicone oil remove device, including cylinder (1), its characterized in that: the left side of cylinder (1) inside is provided with piston (2), the right flank joint of piston (2) has bearing (3), threaded rod (4) have been cup jointed in bearing (3), the surperficial threaded connection of threaded rod (4) has a screw thread section of thick bamboo (5), screw thread section of thick bamboo (5) joint is at the right flank of cylinder (1), the right-hand member fixedly connected with knob (6) of threaded rod (4), the surface of knob (6) is provided with anti-skidding line, the left end cover of cylinder (1) has been cup jointed silicon oil drainage tube (7), the other end of silicon oil drainage tube (7) is provided with pjncture needle (8).
2. The aphakic anterior chamber silicone oil removal device according to claim 1, wherein: the needle cylinder (1) is made of non-toxic transparent plastic, and scale values are arranged on the surface of the needle cylinder (1).
3. The aphakic anterior chamber silicone oil removal device according to claim 1, wherein: the inner diameter of the silicone oil drainage tube (7) is 2mm, and the left end of the puncture needle (8) is designed into a sharp inclined triangle.
4. The aphakic anterior chamber silicone oil removal device according to claim 1, wherein: a plurality of grooves (9) are formed in the surface of the needle cylinder (1), and the grooves (9) are located in the middle of the surface of the needle cylinder (1).
5. The aphakic anterior chamber silicone oil removal device according to claim 1, wherein: eight through holes (10) are formed in the right side face of the needle cylinder (1), and the eight through holes (10) are annularly arranged.
6. The aphakic anterior chamber silicone oil removal device according to claim 1, wherein: an included angle between the silicone oil drainage tube (7) and the needle cylinder (1) is an obtuse angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022991750.3U CN214180770U (en) | 2020-12-14 | 2020-12-14 | Device for taking silicone oil out of aphakic anterior chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022991750.3U CN214180770U (en) | 2020-12-14 | 2020-12-14 | Device for taking silicone oil out of aphakic anterior chamber |
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| Publication Number | Publication Date |
|---|---|
| CN214180770U true CN214180770U (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022991750.3U Active CN214180770U (en) | 2020-12-14 | 2020-12-14 | Device for taking silicone oil out of aphakic anterior chamber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116035797A (en) * | 2023-03-06 | 2023-05-02 | 北京大学第三医院（北京大学第三临床医学院） | Anterior chamber of eye is device for puncture |
-
2020
- 2020-12-14 CN CN202022991750.3U patent/CN214180770U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116035797A (en) * | 2023-03-06 | 2023-05-02 | 北京大学第三医院（北京大学第三临床医学院） | Anterior chamber of eye is device for puncture |
| CN116035797B (en) * | 2023-03-06 | 2023-06-23 | 北京大学第三医院（北京大学第三临床医学院） | Anterior chamber of eye is device for puncture |
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