CN216365535U

CN216365535U - Ultrasonic emulsification crystal locating lever

Info

Publication number: CN216365535U
Application number: CN202122191383.3U
Authority: CN
Inventors: 唐雷; 李娜
Original assignee: Third People's Hospital Of Yibin
Current assignee: Third People's Hospital Of Yibin
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-04-26
Anticipated expiration: 2031-09-10

Abstract

The utility model relates to an ultrasonic emulsification crystal positioning rod, which comprises a handle, a connecting rod, an arc-shaped horizontal part and an arc-shaped head part; one end of the handle is provided with a connecting rod; the first end of the arc-shaped horizontal part is connected with the first end of the connecting rod, the arc-shaped horizontal part is provided with a scale structure with an entry depth measurement function, the depth of the arc-shaped horizontal part entering the capsular sac can be interpreted, the arc-shaped head part is arranged at the second end of the arc-shaped horizontal part, and the arc-shaped head part is provided with a bending end which enables the operations of grabbing of crystalline lens, splitting nucleus and the like to be simple; by arranging the arc-shaped horizontal part with the scale structure, the length of an instrument used by medical staff entering a sac membrane of a patient during a surgery is judged, and accidental injury to other eye tissues of the patient is reduced; the use of an arcuate head allows for easy grasping of the lens while simplifying positioning of the intraocular lens.

Description

Ultrasonic emulsification crystal locating lever

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to an ultrasonic emulsification crystal positioning rod.

Background

Cataract is the change of the lens from transparent to turbid, and the primary symptom of cataract is vision loss because the lens is one of refractive interstitium of the eye and the turbid lens can cause vision loss. It is characterized by gradually declining vision accompanied by discomfort of eyes such as pain, red eyes, photophobia, foreign body sensation and the like; briefly, the symptoms of cataracts are progressive, painless vision loss.

The existing clinical treatment for cataract mainly takes operative treatment as main treatment; nucleus cleavage of the clouded lens by using existing instruments; however, the area of the front end of the existing instrument is small, the front and back capsular sac of the crystalline lens are easy to be punctured by the tip, the length of the front end entering the capsular sac can be operated only by experience when the instrument is used, the depth of nucleus splitting cannot be quantified, and the size of the capsular tear opening in the operation cannot be evaluated; and the front end of the existing instrument is horizontally linear and is not matched with the arc shape of the front surface of the crystalline lens, so that downward pressure is inevitably applied to the crystalline lens during operation, and the operation risk and the occurrence of complications are increased.

Therefore, the front end of the measuring tool is required to be in an arc shape and has a measuring function; the utility model provides a crystal positioning rod for ultrasonic emulsification, which aims at the problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems presented in the background art, the utility model provides a phacoemulsification crystal positioning rod.

An ultrasonic emulsification crystal positioning rod comprises a handle, a connecting rod, an arc-shaped horizontal part and an arc-shaped head part; one end of the handle is provided with a connecting rod; the first end of the arc-shaped horizontal part is connected with the first end of the connecting rod, the arc-shaped horizontal part is provided with a scale structure with an entry depth measurement function, the depth of the arc-shaped horizontal part entering the capsular sac can be interpreted, the arc-shaped head part is arranged at the second end of the arc-shaped horizontal part, and the arc-shaped head part is provided with a bending end which enables the operations of grabbing of crystalline lens, splitting nucleus and the like to be simple; by arranging the arc-shaped horizontal part with the scale structure, the length of an instrument used by medical staff entering a sac membrane of a patient during a surgery is judged, and accidental injury to other eye tissues of the patient is reduced; the use of an arcuate head allows for easy grasping of the lens while simplifying positioning of the intraocular lens.

Furthermore, the connecting angle of the connecting part of the connecting rod and the arc-shaped horizontal part is 120-140 degrees, so that the arc-shaped horizontal part can better enter the eye capsule.

Further, the bending curvature radius of the arc-shaped horizontal part is 35-45 mm, and is matched with the radian of the surface of the crystalline lens, so that the compression on the crystalline lens can be reduced, the damage to the zonules is reduced, the occurrence of surgical complications is reduced, and the surgical instrument is suitable for patients with problems in the zonules.

Further, the scale structure that sets up on the arc horizontal part includes: the surface of the arc-shaped horizontal part is provided with the scale groove, the measuring range of the scale groove is 1-12 mm, so that medical staff can judge the size of the bag tearing opening in the operation, and the bag tearing opening with a given size is finished by changing the operation.

Furthermore, the arc-shaped horizontal part is connected with the arc-shaped head part in an integrated manner, so that the measurement precision of the arc-shaped horizontal part is more accurate.

Further, the arc head is U type head, and this sets up the front end area that can the at utmost, avoids when business turn over the cornea mouth, causes the damage to the cornea.

Further, the diameter of the U-shaped head is 1.2 mm-1.5 mm, and the size can ensure that the U-shaped head can be better operated in eyes.

Furthermore, a connecting section is arranged between the arc-shaped horizontal part and the arc-shaped head part, and the connecting section is vertical to the connecting rod, so that the arc-shaped head part is vertical to the connecting rod; this arrangement allows the arcuate head to have a greater area to contact the lens.

Furthermore, the U-shaped head is bent, the lowest section of the U-shaped head is bent towards the handle, the included angle between the lowest section and the connecting section is 30 degrees, the contact area between the lowest section and the crystalline lens is increased, and the operations of grabbing the crystalline lens, splitting nucleus and the like are easy to operate.

Furthermore, the U-shaped head is arranged in a closed manner, so that the scratching probability of intraocular tissues is reduced.

Further, the handle includes: the handle head and the handle rod are provided with the threaded pipes, and the connecting part of the handle rod and the handle head is provided with the threaded sections for combining and disassembling the handle head and the handle rod.

Furthermore, the connecting rod is connected with the crown of a rod an organic whole, and the connecting rod is the linearity, plays the transitional coupling effect between connection handle and the arc horizontal part.

Furthermore, the distance from the tail end of the handle to the lowest section of the U-shaped head is 120mm, and the handle is convenient for medical staff to take and suitable for the medical staff to perform operation.

Furthermore, an adsorption anti-slip layer is arranged on the outer surface of the handle, so that the medical staff is prevented from influencing the operation due to hand sweating in the operation process.

When the cornea cutting instrument is used, after the cornea is cut by other instruments, the U-shaped head part is stretched into the cut by the instrument, the size of the tear bag opening and the depth of the tear bag opening entering the capsular sac are judged by the scale grooves arranged on the arc-shaped horizontal part, and the crystalline lens is extruded and nucleus-cleaved by the U-shaped head part.

The utility model has the beneficial effects that: (1) the improved instrument increases the contact area of the front end, reduces the risks of puncturing the capsular sac and accidentally injuring other eye tissues in the operation, reduces the pressure applied to the crystalline lens in the operation, reduces the occurrence of operation complications, increases the success rate of nucleus splitting of the crystalline lens, facilitates the fixation of the crystalline lens and the artificial crystalline lens, is not easy to slip when the artificial lens is hooked, is not easy to leave marks on the surface when the artificial lens is operated, and is easy to remove the viscoelastic agent below the artificial lens during injection and suction; (2) the operation becomes relatively easy, the learning curve is shortened, the frequency of instruments entering eyes is reduced, the occurrence of complications is reduced, the safety of the operation is improved, and a plurality of instruments are arranged in the operation time of the operation.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of an arcuate horizontal portion of the present invention;

FIG. 3 is a schematic view of the left side angle of the curved horizontal portion of the present invention;

FIG. 4 is a schematic view of a U-shaped head according to the present invention;

FIG. 5 is a schematic view of the crown of the present invention;

FIG. 6 is a schematic view of a handle according to the present invention;

in the figure, 1, crown; 11. a handle bar; 12. a connecting rod; 13. an arc-shaped horizontal part; 14. a scale groove; 2. a U-shaped head; 21. a connecting section; 22. a lowermost section; 3. a threaded pipe; 31. a threaded segment.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below by specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and other advantages and effects of the present invention can be easily understood by those skilled in the art from the disclosure of the present specification. The present invention can be implemented or applied by other different specific embodiments, and the features in the following embodiments and embodiments can be combined with each other without conflict, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Example 1

Referring to fig. 1, a phacoemulsification crystal positioning rod includes a handle, a connecting rod 12, an arc-shaped horizontal portion 13, and an arc-shaped head portion; one end of the handle is provided with a connecting rod 12; the first end of the arc-shaped horizontal part 13 is connected with the first end of the connecting rod 12, the arc-shaped horizontal part 13 is provided with a ruler structure for measuring the entering depth, the entering depth of the arc-shaped horizontal part 13 into the capsular sac can be judged, the arc-shaped head part is arranged at the second end of the arc-shaped horizontal part 13, and the arc-shaped head part is provided with a bending end which can simplify the operations of grabbing and splitting the crystalline lens; by arranging the arc-shaped horizontal part 13 with the scale structure, the length of an instrument used by medical staff entering a sac of a patient during a surgery is judged, and accidental injury to other eye tissues of the patient is reduced; the use of an arcuate head allows for easy grasping of the lens while simplifying positioning of the intraocular lens.

Example 2

Referring to fig. 2 to 3, on the basis of embodiment 1, the connecting rod 12 and the arc-shaped horizontal portion 13 are arranged, and the connecting angle of the connecting rod 12 and the arc-shaped horizontal portion 13 is 120 to 140 degrees, so that the arc-shaped horizontal portion 13 can better enter into the eye capsule.

The curvature radius of the arc-shaped horizontal part 13 is 35-45 mm, and the arc-shaped horizontal part is matched with the radian of the surface of the crystalline lens, so that the compression on the crystalline lens can be reduced, the damage to the zonules is reduced, the occurrence of surgical complications is reduced, and the surgical instrument is suitable for patients with problems in the zonules.

The scale structure provided on the arc-shaped horizontal portion 13 includes: the surface of the arc-shaped horizontal part 13 is provided with the scale groove 14, and the measuring range of the scale groove 14 is 1-12 mm, so that medical staff can judge the size of the capsule tearing opening in the operation, and the capsule tearing opening with a given size can be changed and operated.

The arc-shaped horizontal part 13 and the arc-shaped head are connected integrally, and the arrangement ensures that the measurement precision of the arc-shaped horizontal part 13 is more accurate.

Example 3

Referring to fig. 4, on the basis of embodiment 2, the U-shaped head 2 is provided, and the arc-shaped head is a U-shaped head 2 or a C-shaped head, preferably a U-shaped head 2, so that the front end area can be maximized, and the cornea can be prevented from being damaged when entering or exiting the corneal hole.

The diameter of the U-shaped head 2 is 1.2 mm-1.5 mm, and the size can ensure that the U-shaped head 2 can be better operated in the eyes.

A connecting section 21 is arranged between the arc-shaped horizontal part 13 and the arc-shaped head part, and the connecting section 21 is vertical to the connecting rod 12, so that the arc-shaped head part is vertical to the connecting rod 12; this arrangement allows the arcuate head to have a greater area to contact the lens.

The U-shaped head 2 is bent, the lowest section 22 of the U-shaped head 2 is bent towards the handle, the included angle between the lowest section 22 and the connecting section 21 is 30 degrees, the contact area between the lowest section 22 and the crystalline lens is increased, and the operations of grabbing the crystalline lens, splitting nucleus and the like are easy to operate.

The U-shaped head 2 is arranged in a closed manner, so that the scratching probability of intraocular tissues is reduced.

Example 4

Referring to fig. 5 to 6, a handle is provided on the basis of embodiment 1, the handle comprising: the handle head 1 and the handle rod 11 are provided with the threaded pipe 3 in the handle head 1, and the threaded section 31 is arranged at the joint of the handle rod 11 and the handle head 1 and is used for combining and disassembling the handle head 1 and the handle rod 11.

The connecting rod 12 is integrally connected with the crown 1, and the connecting rod 12 is linear and plays a role in connecting the handle and the arc-shaped horizontal part 13 in a transition way.

The distance from the tail end of the handle to the lowest section 22 of the U-shaped head 2 is 120mm, and the length is convenient for medical staff to take and is suitable for the medical staff to carry out operation.

The outer surface of the handle is provided with an adsorption anti-slip layer, so that the medical staff is prevented from influencing the operation due to hand sweating in the operation process.

The above description of the embodiments is only for the understanding of the present invention. It should be noted that modifications could be made to the utility model without departing from the principle of the utility model, which would also fall within the scope of the claims of the utility model.

Claims

1. An ultrasonic emulsification crystal positioning rod comprises a handle, a connecting rod, an arc-shaped horizontal part and an arc-shaped head part; it is characterized in that one end of the handle is provided with a connecting rod; the first end of arc horizontal part is connected with the first end of connecting rod, sets up on the arc horizontal part to have the scale structure of entering degree of depth measurement, can interpret the degree of depth that the arc horizontal part got into the capsular diaphragm, the arc head sets up the second end at the arc horizontal part, and the arc head has the end of buckling that makes grabbing of crystalline lens, and the nucleus splitting operation becomes simple.

2. The rod of claim 1, wherein the connecting angle between the connecting rod and the curved horizontal portion is 120-140 °.

3. The phacoemulsification crystal locating rod of claim 2, wherein the curved horizontal portion has a radius of curvature of 35-45 mm and matches the curvature of the lens surface.

4. The phacoemulsification crystal positioning rod of claim 3, wherein the scale structure provided on the arc-shaped horizontal portion includes: the surface of the arc-shaped horizontal part is provided with a scale groove, and the measuring range of the scale groove is 1-12 mm.

5. The phacoemulsification crystal positioning rod of claim 4, wherein the curved horizontal portion and the curved head portion are integrally connected.

6. The phacoemulsification crystal positioning rod of claim 5, wherein the arc-shaped head is a U-shaped head, and the diameter of the U-shaped head is 1.2mm to 1.5 mm.

7. The phacoemulsification crystal positioning rod of claim 6, wherein a connection section is provided between the arc-shaped horizontal section and the arc-shaped head section, the connection section being perpendicular to the connection rod so that the arc-shaped head section is perpendicular to the connection rod.

8. The phacoemulsification crystal positioning rod of claim 7, wherein the U-shaped head is bent so that the lowest section of the U-shaped head is bent toward the handle, and the included angle between the lowest section and the connecting section is 30 degrees; the U-shaped head is arranged in a closed manner.

9. The phacoemulsification crystal positioning rod of claim 1, wherein the handle comprises: the handle comprises a handle head and a handle rod, wherein a threaded pipe is arranged in the handle head, a threaded section is arranged at the joint of the handle rod and the handle head, a connecting rod is integrally connected with the handle head and is linear, and the distance from the tail end of the handle to the lowest section of the U-shaped head is 120 mm.

10. The phacoemulsification crystal positioning rod of claim 9, wherein an adsorption anti-slip layer is provided on the outer surface of the handle.