CN118370648A - Foreign matter take-out device in eyeball - Google Patents

Abstract

The invention discloses an intra-eyeball foreign matter taking-out device, which is characterized by comprising: an outline portion, a pulling portion, a control portion; the invention designs an intra-eyeball foreign matter taking-out device which is ingenious in structural design, and adopts a fine wire pulling method to pull out the intra-eyeball foreign matter. The external appearance of the device for taking out the foreign matters in the eyeballs is in a cylinder shape, when the device is used, the front end of the device is pulled to be placed into an affected part, the piston rod of the cylinder at the rear end of the device is pulled, and the piston drives the device to automatically retract and knot the pulled thin wire, so that the foreign matters can be bound and pulled out. The intra-eyeball foreign matter taking-out device is suitable for magnetic and non-magnetic foreign matters with various shapes, and can also take out fallen artificial crystals; because the soft thread is adopted to pull the foreign matters in the eyeball, other tissues in the eyeball are not damaged again in the grabbing process; when the piston rod is pulled to grasp foreign matters, the thin wire at the front end can be automatically knotted to bind the foreign matters, so that the foreign matters are prevented from sliding off in the outward pulling process, and secondary injury to a patient is avoided.

Description

Foreign matter take-out device in eyeball

Technical Field

The invention belongs to the field of medical instruments, and particularly relates to an intra-eyeball foreign matter taking-out device.

Background

The eyeball mainly receives external information, generates visual impulse, and then transmits the visual impulse to the cerebral visual cortex through an optic nerve channel to complete visual function. The eyeball is an important part of the eye, which is located in the orbit and generally consists of the eyeball wall and the eyeball contents. The eyeball wall of the outer layer can maintain the shape of the eyeball, protect intraocular tissues, the eyeball wall of the middle layer comprises an iris, a ciliary body and a choroid and mainly plays a role in light transmission, and the eyeball wall of the inner layer consists of retina and has a photosensitive function. The eyeball contents comprise aqueous humor, crystalline lens and vitreous body, and form a diopter system of the eyeball together with cornea on the outer eyeball wall, so that light entering human eyes from the outside can be refracted, an object image can accurately fall onto retina, and the object is clear. When the optic nerve behind the retina receives visual information, the external information observed and acquired by the eyeball can be conducted to the brain, so that corresponding relevant activities are generated.

Intraocular foreign matter is a special ocular trauma and is more dangerous than general parabulbar punch-through wounds. Foreign matter enters the eyeball, and besides mechanical damage caused by injury, damage to the eyeball is increased due to the residue of the foreign matter. In general, an intraocular foreign body needs to be diagnosed early, and operated early to protect the eyeball and to preserve vision. Type of intraocular foreign matter: the foreign matters in the eyes are classified into two categories, namely magnetism and non-magnetism, wherein the foreign matters in the eyes can be sucked out by a magnet during the operation of a magnetic person, and the non-magnetism foreign matters comprise other metals, alloys and non-metals. The removal of the nonmagnetic foreign matter is often difficult. The majority of the foreign matters are steel, iron and magnetic foreign matters accounting for 90 percent. Foreign bodies damage intraocular tissue, which can cause pathological and functional changes to the tissue. Foreign matter enters the eyeball, and besides mechanical damage caused by injury, damage to the eyeball is increased due to the retention of the foreign matter, and the damage to the eyeball is also possibly caused: the eye vision is reduced to different degrees, the eye rust deposition or copper pigmentation is caused, and the foreign matters are penetrated into the eyeball to pass through the tissue perforation or turbidity and the like.

Currently, intra-ocular foreign body extractors used in diagnostic procedures have the following limitations:

1. the magnetic foreign matters can be directly sucked out through the magnet, and the non-magnetic foreign matters are generally grasped and taken out by the foreign matter forceps, but the foreign matter forceps are not suitable for all the foreign matters due to the variety of the shapes of the foreign matters;

2. In the process of grabbing the foreign matters, the foreign matters grabbed by the forceps are easy to slide, so that other tissues in the eyeball are damaged again, and secondary injury is caused to a patient;

3. When the foreign body forceps are used for grabbing foreign bodies in eyeballs, a certain degree of proficiency is required for the use of the foreign body forceps, and as the whole foreign body forceps are hard, a patient is scratched easily if the operation is improper, and the pain of the patient is increased;

Disclosure of Invention

In order to solve the technical problems, the invention designs an intra-eyeball foreign matter taking-out device which is ingenious in structural design and adopts a method of pulling a fine wire to pull out the intra-eyeball foreign matter. The external appearance of the device for taking out the foreign matters in the eyeballs is in a cylinder shape, when the device is used, the front end of the device is pulled to be placed into an affected part, the piston rod of the cylinder at the rear end of the device is pulled, and the piston drives the device to automatically retract and knot the pulled thin wire, so that the foreign matters can be bound and pulled out. The intra-eyeball foreign matter taking-out device is suitable for magnetic and non-magnetic foreign matters with various shapes, and can also take out fallen artificial crystals; because the soft thread is adopted to pull the foreign matters in the eyeball, other tissues in the eyeball are not damaged again in the grabbing process; when the piston rod is pulled to grasp foreign matters, the thin wire at the front end can be automatically knotted to bind the foreign matters, so that the foreign matters are prevented from sliding off in the outward pulling process, and secondary injury to a patient is avoided.

In order to achieve the technical effects, the invention is realized by the following technical scheme: an intra-ocular foreign matter extraction device comprising: an outline portion, a pulling portion, a control portion;

the appearance part consists of a needle cylinder part and a needle tube part; the needle cylinder part is cylindrical in shape and hollow in the inside, the top end of the needle cylinder part is connected with the needle tube part, and the bottom end of the needle cylinder part is fixedly connected with the pulling part; the needle tube part is cylindrical in shape and hollow in the interior; the pulling part consists of a needle cylinder piston part and a pull rod part; the shape of the needle cylinder piston part is cylindrical and is fixedly connected with the needle cylinder part; the bottom of the pull rod part is round, a convex cylinder is arranged on the round plane and positioned in the piston part of the needle cylinder; the control part is positioned at the front section of the needle cylinder piston part, is cylindrical in shape and is hollow in the interior;

Further, a syringe portion within the contoured portion, the syringe portion being comprised of a hollow barrel and a lug; the hollow cylinder is cylindrical in shape, hollow in the interior, one end of the hollow cylinder is provided with a protruding cylinder, and the other end of the hollow cylinder is fixedly connected with the lug; the outer shape of the lug is a ring shape and is symmetrically connected and fixed with one end of the hollow cylinder, and the two lugs can be abutted by two fingers when the foreign body taking-out device is used;

furthermore, the needle tube part in the appearance part is cylindrical in appearance and hollow in the inside, and the bottom of the needle tube part is provided with a mounting groove which can be connected and fixed with the front end of the needle tube part;

further, a syringe piston portion within the pull portion, the syringe piston portion being comprised of a piston and a sealing ring; the piston in the piston part of the needle cylinder is cylindrical in shape, hollow in the interior and connected with the sealing ring at the front end; the sealing ring in the piston part of the needle cylinder is cylindrical in shape, hollow in the interior and fixedly connected with the piston, and can play a role in sealing;

Further, the pull rod part in the pull part consists of a piston handle and a pull rod; the piston handle part is circular in shape and is positioned at the bottom end of the piston part of the needle cylinder; the appearance of the pull rod is an elongated cylinder, one end of the pull rod protrudes, and the other end of the pull rod is fixedly connected with the piston handle;

Further, the control part consists of a control shell, a control part, a sealing ring and a wire tray; the control shell in the control part is hollow and is fixedly connected with the sealing ring in the needle cylinder piston part; the control part in the control part can control the string to knot, and stably pull out foreign matters in the eyeball; the sealing ring in the control part is circular in shape, is positioned at the bottom of the control part and is fixedly connected with the control part shell; the wire tray in the control part is cylindrical in shape, hollow in the inside and fixedly connected with the top of the control part.

The beneficial effects of the invention are as follows:

an intra-eyeball foreign matter taking-out device can take out magnetic and non-magnetic foreign matters in an eyeball, can take out foreign matters with different shapes from the eyeball, and can also take out fallen artificial crystals, so that the practicability is high;

The intra-eyeball foreign matter taking-out device can automatically tighten and knot when the string pulls the foreign matters in the process of grabbing the foreign matters, so that the foreign matters are prevented from sliding off in the process of grabbing the foreign matters, other tissues in the eyeballs of a patient are protected, and secondary damage to the patient is avoided;

The device for taking out the foreign matters in the eyeballs is characterized in that the foreign matters in the eyeballs are grabbed by the string, the string material is softer, the patient is not scratched due to improper operation, the device is simple and quick to operate, and the work load of doctors can be reduced while the pain of the patient is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view showing the overall structure of an intraocular foreign body extraction device;

FIG. 2 is a sectional view showing the whole structure of an intraocular foreign body removing device;

FIG. 3 is a schematic view showing the overall structure of an outline portion of an intraocular foreign body removing device;

FIG. 4 is a schematic view of a portion of a barrel of an intraocular foreign body removal device;

FIG. 5 is a schematic view showing the structure of a needle tube portion of an intraocular foreign body removing device

FIG. 6 is a schematic view showing the whole structure of a pulling portion of an intraocular foreign body removing device;

FIG. 7 is a schematic view of a piston portion of a syringe of an intraocular foreign body removal device;

FIG. 8 is a schematic view showing a structure of a pull rod portion of an intraocular foreign body removing device;

FIG. 9 is a schematic view showing the overall structure of a control portion of an intraocular foreign body removing device;

FIG. 10 is a sectional view showing the whole structure of a control portion of an intraocular foreign body removing device;

FIG. 11 is a schematic view showing a wire tray structure of an intra-ocular foreign substance removing device;

in the drawings, the list of components represented by the various numbers is as follows:

1-an outline portion; 2-syringe portion, 201-empty cartridge, 202-lug, 203-syringe mounting slot, 204-piston portion mounting hole; 3-needle tube part, 301-needle tube, 302-needle tube connecting part; 4-pulling part; 5-syringe piston section, 501-piston, 502-seal ring, 503-tie rod mounting hole, 504-control section mounting groove; 6-pull rod part, 601-pull rod, 602-piston handle, 603-spring, 604-spring mounting groove; 7-control part, 701-control part shell, 702-control part, 703-sealing ring, 704-wire tray, 705-wire hole, 706-automatic knotter, 707-motor, 708-power source.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

An intra-ocular foreign matter extraction device comprising: an outline portion 1, a pulling portion 4, a control portion 7;

The appearance part 1 is composed of a needle tube part 2 and a needle tube part 3; the needle cylinder part 2 is cylindrical in shape and hollow in the inside, the top end is connected with the needle tube part 3, and the bottom end is connected and fixed with the pulling part 4; the needle tube part 3 is cylindrical in shape and hollow in the interior; the pulling part 4 consists of a needle cylinder piston part 5 and a pull rod part 6; the shape of the syringe piston part 5 is cylindrical and is fixedly connected with the syringe part 3; the bottom of the pull rod part 6 is round, a convex cylinder is arranged on the round plane and positioned in the cylinder piston part 5; the control part 7 is positioned at the front section of the syringe piston part 5, is cylindrical in shape and is hollow in the interior;

Example 2

An intra-ocular foreign matter extraction device comprising: an outline portion 1, a pulling portion 4, a control portion 7;

the appearance part 1 is composed of a needle tube part 2 and a needle tube part 3; the needle cylinder part 2 is cylindrical in shape and hollow in the inside, the top end is connected with the needle tube part 3, and the bottom end is connected and fixed with the pulling part 4; the needle tube part 3 is cylindrical in shape and hollow in the interior; the pulling part 4 consists of a needle cylinder piston part 5 and a pull rod part 6; the shape of the syringe piston part 5 is cylindrical and is fixedly connected with the syringe part 3; the bottom of the pull rod part 6 is round, a convex cylinder is arranged on the round plane and positioned in the cylinder piston part 5; the control part 7 is positioned at the front section of the syringe piston part 5, is cylindrical in shape and is hollow in the interior.

In order to realize that the intra-eyeball foreign matter removing device can remove non-magnetic foreign matters in the eyeball and is suitable for the intra-eyeball foreign matters in different shapes, the foreign matter removing device adopts a string to grasp the intra-eyeball foreign matters. The sealing ring part 502 in the cylinder piston part 5 of the foreign body taking-out device is provided with a control part mounting groove 504 which can be fixedly connected with the control part 7; a thread tray 704 is arranged at the top in the control part 7, and a fine thread for grabbing can be inserted through the thread hole 705 and pulled out through the needle tube 301 for standby.

When the eye-foreign body pulling device is used, the fine wire is placed in the eyeball, the fine wire is pulled, the fine wire is placed at the position of the foreign body in the eye, the fine wire can be attached to the periphery of the foreign body under the action of external force, and the foreign body in the eye can be pulled out by pulling the fine wire. The device snatches the foreign matter in the eyeball through the fine rule, applicable in the foreign matter of different shapes in the eye, and the practicality is strong.

Example 3

The appearance part 1 is composed of a needle tube part 2 and a needle tube part 3; the needle cylinder part 2 is cylindrical in shape and hollow in the inside, the top end is connected with the needle tube part 3, and the bottom end is connected and fixed with the pulling part 4; the needle tube part 3 is cylindrical in shape and hollow in the interior; the pulling part 4 consists of a needle cylinder piston part 5 and a pull rod part 6; the shape of the syringe piston part 5 is cylindrical and is fixedly connected with the syringe part 3; the bottom of the pull rod part 6 is round, a convex cylinder is arranged on the round plane and positioned in the cylinder piston part 5; the control part 7 is positioned at the front section of the syringe piston part 5, is cylindrical in shape and is hollow in the interior.

In order to ensure the safety and stability of the pulling process when the foreign matter is pulled by the fine wire, the control part 7 of the foreign matter removing device is internally provided with a control part 702, and the control part 702 consists of an automatic knotter 706, a motor 707 and a power source 708. In the control part 7, a wire tray 704 is arranged at the top, a thin wire can be placed in the wire tray 704, and the thin wire is led into the control part 702 through a wire hole 705 in the wire tray 704. After the filament enters control 702, it passes through an automatic knotter 706 and a motor 707 within control 702 and is finally pulled outwardly through needle 301. A power source 708 within the control 702 provides power for the operation of the automatic knotter 706 and the motor 707.

In use, the thin wire is attached around the foreign body in the eyeball, and the control portion 7 is activated. After the control portion 7 is activated, the automatic knotter 706 and motor 707 in the control 702 are powered by the power source 708 in the control 702. After being powered, the motor 707 starts to operate to drive the thin wire to rotate, thereby tensioning the thin wire and adjusting the knotting position; when the string is tightened and adjusted to the proper knotting position by motor 707, automatic knotter 706 knots the string. The thin wire is knotted, so that foreign matters in the eyeballs can be tightly bound, and the bound foreign matters can be prevented from sliding off in the process of pulling out the eyeballs, so that other tissues in the eyeballs of a patient are protected, and secondary injury to the patient is avoided.

In this embodiment, the automatic knotter 706 is a prior art, when the automatic knotter 706 is used, the knotter needle swings upwards from the initial position to guide the secondary string to the knotter, and when the knotter needle rises above the knotter bottom plate, the string pulling plate pulls the secondary string guided by the knotter needle to the knotter jaw, so that two strings are close to the jaw surface to prepare for the jaw to wind the string to be knotted. When the knotting needle continues to rise above the rope clamping device, the incomplete teeth on the fluted disc are meshed with the bevel pinion of the rope clamping disc. The rope clamping device rotates and clamps the string led by the knotting needle between the rope clamping disc ring groove and the rope clamping sheet. After the string led by the knotting needle is clamped, the knotting needle is moved up to the upper dead point of the working stroke, and the other section of incomplete tooth on the fluted disc is meshed with the small bevel gear of the clamp mouth to drive the clamp mouth to start rotating. The two strings close to the clamp mouth are "grabbed" to start rope winding and knotting during the rotation process. After the clamp mouth rotates for a certain angle, the upper claw roller contacts with the outer cam on the knotter frame body, so that the closed upper claw is forced to be opened. The string below the life insurance string clamp is led between the upper jaw and the jaw of the clamp with the continued rotation of the clamp mouth and the string clamping disc, and then the roller of the upper jaw is contacted with the pressing cam of the upper jaw, so that the upper jaw is forcedly closed, and two strings led below the upper jaw are tightly snapped. So far, the rope clamping disc and the clamp mouth stop rotating. The rope releasing rod is positioned below the clamp mouth, and the thin rope below the clamp mouth passes through the rope guiding groove of the rope releasing rod. When the rope releasing rod is in a static state, the rope guiding groove plays a role in guiding and positioning the rope. With the rotation of the fluted disc, the cam at the inner side of the fluted disc is contacted with the roller on the rope releasing rod, so that the rope releasing rod swings forwards from the rear end of the clamp mouth. The string winded on the clamp mouth slides forwards from the rear end of the lower part of the clamp mouth and tightens the string. Along with the continuous swing of the rope releasing rod, the rope cutter fixed on the rope releasing rod cuts off two ropes below the rope clamping device, and then the ropes wound on the clamp mouth are released. During the untangling, the end of the string that is severed remains clamped between the upper jaw and the jaw chin. Therefore, the clamped rope head can be pulled out only after the string wound on the clamp mouth is completely taken off. The knot is thus formed completely.

Example 4

The appearance part 1 is composed of a needle tube part 2 and a needle tube part 3; the needle cylinder part 2 is cylindrical in shape and hollow in the inside, the top end is connected with the needle tube part 3, and the bottom end is connected and fixed with the pulling part 4; the needle tube part 3 is cylindrical in shape and hollow in the interior; the pulling part 4 consists of a needle cylinder piston part 5 and a pull rod part 6; the shape of the syringe piston part 5 is cylindrical and is fixedly connected with the syringe part 3; the bottom of the pull rod part 6 is round, a convex cylinder is arranged on the round plane and positioned in the cylinder piston part 5; the control part 7 is positioned at the front section of the syringe piston part 5, is cylindrical in shape and is hollow in the interior.

In order to realize that the intra-eyeball foreign matter taking-out device is convenient for a doctor to operate in the grabbing process and reduces pain suffered by a patient, a piston 501 in a needle cylinder piston part 5 of the intra-eyeball foreign matter taking-out device is hollow, a pull rod mounting hole 503 is arranged, one end of a pull rod 601 in a pull rod part 6 passes through the pull rod mounting hole 503 in the needle cylinder piston part 5 and is connected and fixed with a spring 603, and the other end of the pull rod is connected and fixed with a piston handle 602 in the pull rod part 6; after the spring 603 in the pull rod part 6 is fixedly connected with the spring mounting groove 604 on the pull rod 601, the other end is fixedly connected with the control part 7.

When the device is used, the thin wire is attached to the periphery of the foreign matter, the piston handle 602 is pulled, and the piston handle 602 drives the spring 603 to move outwards through the pull rod 601, so that the control part 7 is started to automatically knot the string, and the foreign matter is bound. After binding the foreign matter, the piston handle 602 is pulled continuously, so that the piston 501 is driven to move outwards, and the string is driven to move outwards, so that the foreign matter in the eyeball is pulled out. The intra-eyeball foreign body taking-out device is simple to operate, is not easy to scratch a patient, and can reduce the pain of the patient and the workload of doctors.

The application method of the intra-eyeball foreign matter extraction device comprises the following steps:

1. The device can take out the foreign matters in the eyeballs, is suitable for foreign matters with different shapes, such as falling-off artificial crystals, and has strong practicability and wide applicability;

2. The intra-eyeball foreign matter taking-out device can automatically tighten and knot when the string pulls the foreign matters in the process of grabbing the foreign matters, so that the foreign matters are prevented from sliding off in the process of grabbing the foreign matters, other tissues in the eyeballs of a patient are protected, and secondary damage to the patient is avoided;

3. The device for taking out the foreign matters in the eyeballs is characterized in that the foreign matters in the eyeballs are grabbed by the string, the string material is softer, the patient is not scratched due to improper operation, the device is simple and quick to operate, and the work load of doctors can be reduced while the pain of the patient is reduced.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims (6)

1. An intra-ocular foreign matter extraction device, comprising: an outline portion, a pulling portion, a control portion;

The appearance part consists of a needle cylinder part and a needle tube part; the needle cylinder part is cylindrical in shape and hollow in the inside, the top end of the needle cylinder part is connected with the needle tube part, and the bottom end of the needle cylinder part is fixedly connected with the pulling part; the needle tube part is cylindrical in shape and hollow in the interior; the pulling part consists of a needle cylinder piston part and a pull rod part; the shape of the needle cylinder piston part is cylindrical and is fixedly connected with the needle cylinder part; the bottom of the pull rod part is round, a convex cylinder is arranged on the round plane and positioned in the piston part of the needle cylinder; the control part is positioned at the front section of the piston part of the needle cylinder, is cylindrical in shape and is hollow in the interior.

2. An intra-ocular foreign body removal device as claimed in claim 1, wherein the barrel portion in the outer shape portion is composed of a hollow barrel and lugs; the hollow cylinder is cylindrical in shape, hollow in the interior, one end of the hollow cylinder is provided with a protruding cylinder, and the other end of the hollow cylinder is fixedly connected with the lug; the appearance of the lug is in a ring shape and is symmetrically connected and fixed with one end of the hollow cylinder, and the two lugs can be abutted by two fingers when the foreign body taking-out device is used.

3. The device for removing foreign matters from an eyeball according to claim 1, wherein the needle tube portion in the outer shape portion is cylindrical in shape and hollow in the interior, and the bottom of the needle tube portion is provided with a mounting groove which can be fixedly connected with the front end of the needle tube portion.

4. An intra-ocular foreign body removal device as claimed in claim 1, wherein the syringe piston portion in the pulling portion is composed of a piston and a seal ring; the piston in the piston part of the needle cylinder is cylindrical in shape, hollow in the interior and connected with the sealing ring at the front end; the sealing ring in the piston part of the needle cylinder is cylindrical in shape, hollow in the interior and fixedly connected with the piston, and can play a role in sealing.

5. An intra-ocular foreign body removing device as claimed in claim 1, wherein the pull rod portion in the pulling portion is composed of a piston handle and a pull rod; the piston handle part is circular in shape and is positioned at the bottom end of the piston part of the needle cylinder; the appearance of the pull rod is an elongated cylinder, one end of the pull rod protrudes, and the other end of the pull rod is fixedly connected with the piston handle.

6. The intraocular foreign body extraction device of claim 1 wherein said control portion is comprised of a control housing, a control site, a sealing ring, a wire tray; the control shell in the control part is hollow and is fixedly connected with the sealing ring in the needle cylinder piston part; the control part in the control part can control the string to knot, and stably pull out foreign matters in the eyeball; the sealing ring in the control part is circular in shape, is positioned at the bottom of the control part and is fixedly connected with the control part shell; the wire tray in the control part is cylindrical in shape, hollow in the inside and fixedly connected with the top of the control part.