CN217611674U - Cataract operation bullet-sticking injection needle - Google Patents
Cataract operation bullet-sticking injection needle Download PDFInfo
- Publication number
- CN217611674U CN217611674U CN202220540419.6U CN202220540419U CN217611674U CN 217611674 U CN217611674 U CN 217611674U CN 202220540419 U CN202220540419 U CN 202220540419U CN 217611674 U CN217611674 U CN 217611674U
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- CN
- China
- Prior art keywords
- needle
- needle tubing
- tubing
- bullet
- head end
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- 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.)
- Expired - Fee Related
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- 238000002347 injection Methods 0.000 title claims abstract description 15
- 239000007924 injection Substances 0.000 title claims abstract description 15
- 208000002177 Cataract Diseases 0.000 title claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 22
- 238000001356 surgical procedure Methods 0.000 claims description 5
- 210000000695 crystalline len Anatomy 0.000 description 6
- 238000004026 adhesive bonding Methods 0.000 description 5
- 239000002775 capsule Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 210000004087 cornea Anatomy 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 206010047661 Vitreous prolapse Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 210000005252 bulbus oculi Anatomy 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 210000001232 limbus corneae Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000004127 vitreous body Anatomy 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001054 cortical effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a viscus operation is glued bullet and is pushed syringe needle should push the syringe needle and comprise needle file, needle tubing two parts, and the needle tubing is that the internal diameter is 0.25 mm's continuity pipeline, divides needle tubing rear portion, needle tubing middle part, the anterior and needle tubing head end four bibliographic categories of needle tubing. The middle part of the needle tube forms an angle of 30 degrees with the sagittal plane of the front part of the needle tube, the head end of the needle tube extends to the right lower part of the front part of the needle tube and also forms an angle of 30 degrees with the sagittal plane, and the front part of the needle tube is 2mm long and is bent in a small circular arc shape with the middle part of the needle tube. During the use, on being connected to current bullet-sticking agent syringe with the needle file on the syringe needle earlier, make bullet-sticking agent be full of completely with the needle tubing of needle file connection in, stretch into the mouth of tearing the bag with the needle tubing advantage of the situation from the incision to put into remaining cortex left side sack with needle tubing head end and front portion, gently push away remaining cortex and inject bullet-sticking agent right this moment, remaining cortex moves to the direction of tearing the mouth of bag promptly and makes things convenient for the suction, takes out the needle tubing from the incision at last advantage of the situation. The push injection needle has a simple structure, is convenient to use, and effectively solves the problem that the residual cortex at 12-point position and left and right positions of the position is difficult to take out.
Description
Technical Field
The utility model relates to a viscoelastic injection needle for cataract surgery.
Background
The current standard for treating cataract is phacoemulsification and modern extracapsular cataract extraction combined with intraocular lens implantation. Both require the removal of the lens cortex, which is the most difficult procedure to remove, often leaving a small portion of the cortex at or around 12 o' clock. The clinically common methods for removing this part of the cortex are: firstly, a cortex remover is used for removing the impurities, the suction port is difficult to suck the cortex due to the blocking of the anterior capsule membrane under the incision and other reasons during the removal, the posterior capsule membrane is broken or the capsulorhexis is torn to cause the vitreous body to be separated out due to repeated suction or improper force application, and the operation effect and even the implantation of the artificial lens are influenced; secondly, expanding the side incision and sucking by a manual double-cavity injection and suction needle; thirdly, making another corneal incision from the left and right opposite to the corneal incision and then removing the corneal incision by penetrating into a cortical remover. To avoid making additional limbal incisions, enlarge side incisions and reduce vitreous expulsion.
Through scientific and technological research, by the 2.17.2022, a similar viscoelastic agent injection needle designed for solving the problem of sucking and removing residual cortex below an incision in cataract surgery does not exist, but other 6 patents related to injecting viscoelastic agent are researched, and the respective purposes, action parts and design schemes of the 6 newly researched patents are different. The utility model relates to a biggest characteristics do: firstly, the length and the angle of the needle head are designed to be identical or close to the anatomical characteristics of the eyeball; secondly, the effect of pushing the residual cortex by using the bullet for the needle is ensured, so that the cornea further injury caused by expanding a side incision, newly making a corneal limbus incision and the like is avoided; and thirdly, complications such as vitreous prolapse caused by rupture of a posterior capsule membrane caused by removal of residual cortex in the operation are effectively reduced.
The utility model discloses in clinical practice, utilize the characteristics that bullet agent can pass intraocular tissue, designed a bullet agent of gluing and injected the syringe needle, should inject syringe needle and bullet agent of gluing syringe phase-match, because the special design of syringe needle, usable bullet agent of gluing is pushed remaining cortex to the position of making things convenient for the suction, has just so effectively avoided further damage of cornea and deviating from etc. of vitreous body. The device has the advantages of simple structure, convenient operation, low cost and good effect.
Disclosure of Invention
An object of the utility model is to provide a syringe needle is injected to bullet agent is glued in cataract operation, should inject the syringe needle and comprise needle file and needle tubing two parts, and the needle tubing is that the internal diameter is 0.25 mm's continuity pipeline, divides needle tubing rear portion, needle tubing middle part, needle tubing front portion and needle tubing head end four bibliographic categories to divide. The middle part of the needle tube forms an angle of 30 degrees with the sagittal plane of the front part of the needle tube, the head end of the needle tube extends to the right lower part with the front part of the needle tube and also forms an angle of 30 degrees with the sagittal plane, and the front part of the needle tube is 2mm long and is bent in a small circular arc shape with the middle part of the needle tube. During the use, on being connected to current glutinous bullet agent syringe with the needle file on injecting the syringe needle earlier, make glutinous bullet agent be full of completely with the needle tubing of needle file connection in, stretch into the mouth of tearing the bag from the incision with the needle tubing cisoid again to put into remaining cortex left side sack with needle tubing head end and front portion, gently push away remaining cortex and inject glutinous bullet this moment right, remaining cortex removes to the mouth of tearing the bag direction promptly and makes things convenient for the suction, takes out the needle tubing from the incision at last cisoid. The push injection needle has a simple structure, is convenient to use, and effectively solves the problem that the residual cortex at 12-point position and left and right positions of the position is difficult to take out.
A syringe needle is injected to bullet agent is glued in cataract operation, this syringe needle of injecting is by needle file (1), needle tubing (2) two parts are constituteed, needle file (1) is even as an organic whole with rear portion (3) one end of needle tubing (2), needle tubing (2) are that the internal diameter is 0.25 mm's continuity pipeline, divide into needle tubing (2) rear portion (3), needle tubing (2) middle part (4), needle tubing (2) front portion (5) and needle tubing (2) head end (6), needle tubing (2) rear portion (3) and needle tubing (2) middle part (4) are at sagittal plane 130 o angle, needle tubing (2) middle part (4) and needle tubing (2) front portion (5) sagittal plane 30 o angle, needle tubing (2) head end (6) and needle tubing (2) front portion (5) stretch below and also are 30 o angle with the sagittal plane.
The rear part (3) of the needle tube (2) is 10-15mm long, the middle part (4) of the needle tube (2) is 6-10mm long, and the front part (5) of the needle tube (2) is 2mm long.
The head end (6) of the needle tube (2) is smooth and blunt.
A viscus operation is glued bullet and is injected syringe needle, should inject the syringe needle and constitute by needle file and needle tubing two parts, the needle tubing is that the internal diameter is 0.25 mm's continuity pipeline, divides needle tubing rear portion, needle tubing middle part, the anterior and needle tubing head end four bibliographic categories of needle tubing. The design of the head end of the needle tube is special and critical, the diameter of the crystalline lens is about 9mm, the size of the capsulorhexis opening is about 5mm, the distance from the edge of the capsulorhexis opening to the periphery of the crystalline lens capsular bag is about 2mm, so the length of the front part of the needle tube is designed to be 2mm, and the angle design of the front part of the needle tube is designed according to the curvature of the front surface of the crystalline lens and the convenience for pushing residual cortex. During the use, on being connected to current bullet-sticking agent syringe with the needle file on the syringe needle earlier, make bullet-sticking agent be full of completely with the needle tubing of needle file connection in, stretch into the mouth of tearing the bag with the needle tubing advantage of the situation from the incision to put into remaining cortex left side sack with needle tubing head end and front portion, gently push away remaining cortex and inject bullet-sticking agent right this moment, remaining cortex moves to the direction of tearing the mouth of bag promptly and makes things convenient for the suction, takes out the needle tubing from the incision at last advantage of the situation. The push injection needle has a simple structure, is convenient to use, and effectively solves the problem that the residual cortex at 12-point position and left and right positions of the position is difficult to take out.
The utility model relates to a cataract operation bullet-sticking injection syringe needle, its characteristics are: firstly, the length and the angle of the injection needle are designed to be identical or close to the anatomical characteristics of the eyeball; secondly, the effect of pushing the residual cortex by using the viscoelastic agent for the pushing injection needle is ensured, so that the cornea further injury caused by side incision enlargement, new corneal limbus incision and the like is avoided; and thirdly, complications such as vitreous prolapse caused by rupture of a posterior capsule membrane caused by removal of residual cortex in the operation are effectively reduced. The use in the operation brings convenience for smoothly taking out the residual cortex, is suitable for each cataract operator, and is especially suitable for cataract operation beginners who lack clinical experience.
Drawings
FIG. 1 is a right side schematic view of the present invention;
fig. 2 is a schematic diagram of the left side structure of the present invention.
Detailed Description
The utility model relates to a viscus operation viscoelastic agent syringe needle of infusing, should inject the syringe needle and be by needle file 1, needle tubing 2 two parts is constituteed, needle file 1 is even as an organic whole with 3 one end in the rear portion of needle tubing 2, needle tubing 2 is the continuity pipeline that the internal diameter is 0.25mm, divide into needle tubing 2 rear portion 3, needle tubing 2 middle part 4, needle tubing 2 front portion 5 and needle tubing 2 head end 6, needle tubing 2 rear portion 3 and needle tubing 2 middle part 4 are in the sagittal 130 degrees angle, needle tubing 2 middle part 4 and needle tubing 2 front portion 5 sagittal 30 degrees angle, needle tubing 2 head end 6 and needle tubing 2 front portion 5 stretch to the right side below and also are 30 degrees angles with the sagittal;
the rear part 3 of the needle tube 2 is 10-15mm long, the middle part 4 of the needle tube 2 is 6-10mm long, and the front part 5 of the needle tube 2 is 2mm long; the head end (6) of the needle tube 2 is smooth and blunt;
during the use, on being connected to current bullet agent syringe of gluing with the needle file 1 on the injection syringe needle earlier, make the bullet agent of gluing be full of completely in the needle tubing 2 of being connected with needle file 1, stretch into the mouth of tearing the bag with the incision 2 advantage of the trend again to put into remaining cortex left side sack with 2 head ends 6 of needle tubing and 2 anterior 5 of needle tubing, gently push away remaining cortex and inject the bullet agent right this moment, remaining the cortex removes to the mouth of tearing the bag direction promptly and makes things convenient for the suction, takes out needle tubing 2 from the incision at last in the same trend. The push injection needle has a simple structure, is convenient to use, and effectively solves the problem that the residual cortex at 12-point position and left and right positions of the position is difficult to take out.
Claims (3)
1. The utility model provides a cataract surgery bullet-sticking agent syringe needle, its characterized in that should inject the needle and be become by needle file (1), needle tubing (2) two parts are constituteed, needle file (1) and the rear portion (3) one end of needle tubing (2) link as an organic wholely, the needle tubing (2) internal diameter is 0.25 mm's continuity pipeline, divide into needle tubing (2) rear portion (3), needle tubing (2) middle part (4), needle tubing (2) front portion (5) and needle tubing (2) head end (6), needle tubing (2) rear portion (3) and needle tubing (2) middle part (4) are in the sagittal plane 130 degrees angle, needle tubing (2) middle part (4) and needle tubing (2) front portion (5) sagittal plane are 30 degrees angles, needle tubing (2) middle part (4) head end (6) and needle tubing (2) front portion (5) extend to the below and also are 30 degrees sagittal plane.
2. The viscoelastic bolus injection needle for cataract surgery as claimed in claim 1, wherein the rear part (3) of the needle cannula (2) is 10-15mm long, the middle part (4) of the needle cannula (2) is 6-10mm long, and the front part (5) of the needle cannula (2) is 2mm long.
3. The cataract surgery viscoelastic injection needle according to claim 1, wherein the head end (6) of the needle tube (2) is smooth and blunt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220540419.6U CN217611674U (en) | 2022-03-14 | 2022-03-14 | Cataract operation bullet-sticking injection needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220540419.6U CN217611674U (en) | 2022-03-14 | 2022-03-14 | Cataract operation bullet-sticking injection needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217611674U true CN217611674U (en) | 2022-10-21 |
Family
ID=83645283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220540419.6U Expired - Fee Related CN217611674U (en) | 2022-03-14 | 2022-03-14 | Cataract operation bullet-sticking injection needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217611674U (en) |
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2022
- 2022-03-14 CN CN202220540419.6U patent/CN217611674U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221021 |