CN204293347U - Adjustable eye speculum - Google Patents

Abstract

The utility model discloses an adjustable eyelid opener, which comprises a longitudinal rod, a stretching arm connected with the longitudinal rod and an eyelid holder arranged at the tail of the stretching arm, and the stretching arm includes an upper stretching arm and the lower spreading arm, further comprising an adjusting mechanism capable of moving and fixing along the axial direction of the longitudinal rod, the head of the upper spreading arm and/or the lower spreading arm is connected with the longitudinal rod through an adjusting mechanism, The relative distance between the upper spread arm and the lower spread arm can be adjusted; the upper spread arm and/or the lower spread arm of the utility model can move freely on the longitudinal bar, and can also be fixed on the longitudinal bar. Specific position, so when it is necessary to adjust the size of the palpebral fissure during ophthalmic surgery, it is only necessary to move the upper spreader arm and/or the lower spreader arm, adjust the relative distance between the two spreader arms, and then fix it again to achieve The purpose of adjusting the size of the patient's palpebral fissure at any time and accurately without taking out the eyelid opener; the utility model is simple in structure and easy to use, and is very suitable for various ophthalmic operations.

Description

Adjustable lid speculum

technical field

The utility model relates to an eyelid opener, in particular to an adjustable eyelid opener.

Background technique

The eyelid, commonly known as the eyelid, is located in front of the eyeball and forms a barrier to protect the eyeball. The eyelid can protect the eyeball and the lower part of the most vulnerable cornea, and has the function of spreading tears to the entire eye and cornea. Generally, when doing eyeball surgery, due to the physiological reaction of the human body to close the eyes, it is usually necessary to open the eyelids by mechanical means to expose the eyeballs to facilitate the operation. Most of the eyelid openers currently used are made of bent steel wires, and the eyelids are stretched by the elasticity of the steel wires. While opening the eyelids, this kind of eyelid openers also exert a certain degree of pressure on the eyeballs, causing eye problems. The pressure increases, and in severe cases, the ocular contents in the eyeball will be pressed out. In addition, when it is necessary to adjust the size of the palpebral fissure, it is often necessary to take out the eyelid speculum during the operation and change the elasticity of the steel wire to adjust the size of the palpebral fissure, which will affect the smooth progress of the operation and cause adverse consequences.

Therefore, it is necessary to improve the existing eyelid speculum so that it can adjust the size of the palpebral fissure at any time and accurately without taking it out during ophthalmic surgery.

Utility model content

In view of this, the purpose of this utility model is to provide an adjustable eyelid opener, which can accurately adjust the size of the eyelid fissure at any time without taking it out during the ophthalmic operation.

The adjustable eyelid opener of the present utility model comprises a longitudinal rod, a stretching arm connected with the longitudinal rod and an eyelid holder arranged at the tail of the stretching arm, and the stretching arm includes an upper stretching arm and a lower stretching arm The opening arm also includes an adjustment mechanism that can move and fix along the axial direction of the longitudinal rod, and the head of the upper expansion arm and/or the lower expansion arm is connected with the longitudinal rod through the adjustment mechanism, so that the The relative distance between the upper spread arm and the lower spread arm is adjustable.

Further, the adjustment mechanism includes a sliding sleeve sleeved on the longitudinal rod and an adjusting screw I disposed on the sliding sleeve, the adjusting screw I is perpendicular to the longitudinal rod and can form a Radial extrusion force used to secure the sliding sleeve.

Furthermore, both the upper stretching arm and the lower stretching arm are telescopic structures.

Further, both the upper stretching arm and the lower stretching arm include an outer arm and an inner arm extending coaxially into the outer arm, the outer arm is connected with the sliding sleeve, and the inner arm can Axial movement and fixation.

Further, the outer arm is provided with a radial screw hole, through which the adjusting screw II can form a radial extrusion force on the outer arm for fixing the inner arm.

Further, the eyelid support is an arc-shaped hook structure.

Further, scale marks for measuring length are provided on the longitudinal rod.

Further, a handle is connected to the longitudinal rod, and the handle is arc-shaped.

Further, the two ends of the handle are correspondingly connected with the two ends of the longitudinal rod.

Further, the upper spreading arm is connected to the longitudinal bar through the adjustment mechanism, and the lower spreading arm is fixedly connected to the longitudinal bar.

Beneficial effects of the utility model: In the adjustable eyelid opener of the utility model, the upper stretching arm and/or the lower stretching arm can move freely on the vertical rod, and can also be fixed at a specific position on the vertical rod, so when used in ophthalmology When the size of the palpebral fissure needs to be adjusted during the operation, it is only necessary to move the upper and/or lower spreader arms, adjust the relative distance between the two spreader arms, and then fix them again, so that there is no need to take out the eyelid speculum separately The purpose of adjusting the size of the patient's palpebral fissure accurately at any time; the utility model has the advantages of simple structure and convenient use, and is very suitable for various ophthalmic operations.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is the structural representation of the utility model.

Detailed ways

Fig. 1 is a schematic structural view of the utility model, as shown in the figure: the adjustable eyelid opener of the present embodiment includes a longitudinal rod 1, a stretching arm connected with the longitudinal rod 1 and a stretching arm at the tail of the stretching arm The eyelid holder 3, the spread arm includes an upper spread arm 21 and a lower spread arm 22, and also includes an adjustment mechanism that can move and fix along the axial direction of the longitudinal rod 1, and the upper spread arm 21 and /or the head of the lower stretching arm 22 is connected with the longitudinal bar 1 through an adjustment mechanism, so that the relative distance between the upper stretching arm 21 and the lower stretching arm 22 is adjustable; The parts are its opposite two ends; the vertical rod 1 and the stretching arm are made of rigid materials, have greater mechanical strength, and are suitable for medical disinfection, such as stainless steel of medical grade; the eyelid support 3 is used for supporting The patient's eyelids adjust the expansion and contraction of the eyelids along with the change of the relative position between the upper stretch arm 21 and the lower stretch arm 22; the upper stretch arm 21 and/or the lower stretch arm 22 can freely It can also be fixed at a specific position on the longitudinal rod 1, so when the size of the eyelid fissure needs to be adjusted during ophthalmic surgery, it is only necessary to move the upper stretching arm 21 and/or the lower stretching arm 22, and adjust the distance between the two stretching arms. The relative distance between them can be re-fixed, so as to achieve the purpose of adjusting the size of the patient's eyelid fissure at any time and accurately without taking out the eyelid speculum.

In this embodiment, the adjusting mechanism includes a sliding sleeve 41 sleeved on the longitudinal rod 1 and an adjusting screw I42 disposed on the sliding sleeve 41. The adjusting screw I42 is perpendicular to the longitudinal rod 1 and A radial extrusion force for fixing the sliding sleeve 41 can be formed on the longitudinal rod 1; the longitudinal rod 1 is preferably an elliptical rod (that is, the longitudinal section is elliptical) or a square rod (that is, the longitudinal section is a square), The hollow shape of the sliding sleeve 41 is adapted to the shape of the longitudinal rod 1, so that the sliding sleeve 41 can only move along the axial direction of the longitudinal rod 1 and cannot rotate around the axial direction of the longitudinal rod 1, ensuring that the upper stretching arm 21 and the lower The spreader arms 22 are roughly parallel to ensure the safety of ophthalmic surgery; the sliding sleeve 41 can be tightly fixed on the longitudinal rod 1 by tightening the adjusting screw I42, and the position of the sliding sleeve 41 can be adjusted by loosening the adjusting screw I42 .

In this embodiment, the upper stretching arm 21 and the lower stretching arm 22 are both retractable structures; the overall length of the stretching arm can be adjusted according to needs, so that the eyelid opener can be adjusted according to the physical conditions of different patients. Immediate adjustment, enhanced versatility, and reduced surgical complexity; in this embodiment, the upper stretching arm 21 and the lower stretching arm 22 both include an outer arm 2a and an inner arm 2b coaxially extending into the outer arm 2a, The outer arm 2a is connected to the sliding sleeve 41, and the inner arm 2b can move and be fixed along the axial direction of the outer arm 2a; the fixing of the inner arm 2b and the outer arm 2a can be performed by a positioning piece, and the positioning piece can be Screws or pinball buttons and other components; in this embodiment, radial screw holes (not shown in the figure) are provided on the outer arm 2a, and the adjustment screw II6 can adjust the outer arm through the radial screw holes. 2a forms a radial extrusion force for fixing the inner arm 2b; the inner arm 2b can be tightly fixed on the outer arm 2a by tightening the adjusting screw II6, and the extension length of the inner arm 2b can be adjusted by loosening the adjusting screw II6 .

In this embodiment, the eyelid support 3 is an arc-shaped retractor structure; the eyelid support 3 can be bent by steel wire, and the arc is roughly "U". It is beneficial to place other instruments during ophthalmic surgery, and does not wrap human eyelashes, making patients feel more comfortable.

In this embodiment, the longitudinal rod 1 is provided with a scale mark 7 for measuring the length; the scale mark 7 not only facilitates the doctor to record the size of the patient's palpebral fissure at any time, but also facilitates him to accurately adjust the expansion degree of the palpebral fissure.

In this embodiment, a hand-held handle 8 is connected to the longitudinal bar 1, and the hand-held handle 8 is arc-shaped; the arc-shaped hand-held handle 8 is convenient for the doctor to operate with one hand, and can operate on both eyes of the patient without changing hands; Higher safety can effectively protect patients' eyes from being damaged by other medical tools; the arc is preferably a semicircle.

In this embodiment, the two ends of the handle 8 are respectively connected to the two ends of the longitudinal rod 1; 22 has a position-limiting effect, preventing it from breaking away from the longitudinal rod 1 and affecting the operation process.

In this embodiment, the upper spreading arm 21 is connected to the longitudinal bar 1 through the adjustment mechanism, and the lower spreading arm 22 is fixedly connected to the longitudinal bar 1; only the upper spreading arm 21 needs to move. The distance between the two stretching arms can be adjusted, so only one adjustment mechanism is required to simplify the structure of the device, facilitate operation, and facilitate manufacturing.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the purpose and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (10)

1. An adjustable eyelid opener, characterized in that: it comprises a longitudinal rod, a stretching arm connected with the longitudinal rod and an eyelid holder arranged at the tail of the stretching arm, and the stretching arm includes an upper stretching arm. The arm and the lower stretching arm also include an adjusting mechanism that can move along the axial direction of the longitudinal rod and be fixed, and the head of the upper spreading arm and/or the lower spreading arm is connected with the longitudinal rod through the adjusting mechanism , so that the relative distance between the upper stretching arm and the lower stretching arm is adjustable. 2. The adjustable eyelid opener according to claim 1, characterized in that: the adjustment mechanism includes a sliding sleeve set on the longitudinal rod and an adjusting screw I set on the sliding sleeve, the The adjustment screw I is perpendicular to the longitudinal rod and can form a radial extrusion force on the longitudinal rod for fixing the sliding sleeve. 3. The adjustable eyelid opener according to claim 2, characterized in that: both the upper stretching arm and the lower stretching arm are retractable structures. 4. The adjustable eyelid opener according to claim 3, characterized in that: the upper stretching arm and the lower stretching arm both include an outer arm and an inner arm extending coaxially into the outer arm, the outer arm The arm is connected with the sliding sleeve, and the inner arm can move and be fixed along the axial direction of the outer arm. 5. The adjustable eyelid opener according to claim 4, characterized in that: the outer arm is provided with a radial screw hole, through which the adjusting screw II can form the outer arm for Fix the radial extrusion force of the inner arm. 6. The adjustable eyelid speculum according to claim 1, characterized in that: the eyelid support is an arc-shaped hook structure. 7. The adjustable eyelid speculum according to claim 1, characterized in that: the longitudinal rod is provided with scale marks for measuring the length. 8. The adjustable eyelid opener according to any one of claims 1 to 7, characterized in that: a handle is connected to the longitudinal rod, and the handle is arc-shaped. 9 . The adjustable eyelid opener according to claim 8 , characterized in that: two ends of the handle are correspondingly connected to two ends of the longitudinal rod. 10. The adjustable eyelid opener according to claim 8, characterized in that: the upper stretching arm is connected to the longitudinal rod through the adjustment mechanism, and the lower stretching arm is fixedly connected to the longitudinal rod .