CN212816737U - Novel double-ring-shaped ocular surface perfusion device - Google Patents

Abstract

The utility model discloses a novel double-ring-shaped ocular surface perfusion device, which comprises a fixed outer ring, a drip irrigation inner ring and a perfusion tube; the fixed outer ring is of an annular structure with an opening; the cross-section of fixed outer loop is the structure of "C" shape, drip irrigation the inner ring and be closed cavity loop configuration, the filling tube sets up on driping irrigation the inner ring, filling tube and drip irrigation the inner ring through connection, the "C" shape cross-section shape structure of fixed outer loop forms the draw-in groove, the diameter of draw-in groove and the diameter looks adaptation of driping irrigation the inner ring drip irrigation the inner ring, but drip irrigation the inner ring joint in the draw-in groove, it is provided with the drip irrigation hole on the opposite face with fixed outer ring joint face to drip irrigation the inner ring, the utility model discloses a drip irrigation the hole through driping irrigation the inner ring and drip the medicine instillation and act on eyeball surface, when a bottle of disposed medicine makes the use up, only change infusion bottle or transfer pump, can reach the continuous instillation effect to the eye table, do not need the patient to take off perfusion device, reduce the degree of difficulty of.

Description

Novel double-ring-shaped ocular surface perfusion device

Technical Field

The utility model belongs to the technical field of medical instrument and specifically relates to a novel dicyclo form ocular surface fills device.

Background

Clinically, many treatments for corneal wounds, corneal infections, rely on frequent instillations of eye drops. However, for severe infection or infection with pathogenic bacteria with special drug resistance, some broad-spectrum antibiotics or antifungal drugs are not available in the market, and doctors have to prepare eyedrops by themselves or prepare injection for intracorneal injection, which undoubtedly increases the operation risk and pain of patients and increases the economic burden of patients. In addition, for some patients with poor compliance, eye drops cannot be frequently used according to medical advice, nursing difficulty is increased, and curative effect is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a utility model aim at: aiming at the problems, the novel double-ring-shaped ocular surface perfusion device is provided, and the problems that some patients without finished eye drop preparations in the prior art are continuously used, patients with poor compliance cannot frequently use the eye drops according to medical advice, and the curative effect is reduced are solved.

The scheme is realized as follows:

a novel dual-ring-shaped ocular surface perfusion device: comprises a fixed outer ring, a drip irrigation inner ring and a perfusion tube; the fixed outer ring is of an annular structure with an opening; the cross-section of fixed outer loop is the structure of "C" shape, drip irrigation the inner ring and be closed cavity loop configuration, the filling tube sets up on driping irrigation the inner ring, the filling tube with drip irrigation the inner ring through connection, the structure of "C" cross-section shape of fixed outer loop forms the draw-in groove, the diameter of draw-in groove and the diameter looks adaptation of driping irrigation the inner ring, but drip irrigation the inner ring joint in the draw-in groove, it is provided with the hole of driping irrigation on the opposite face with fixed outer loop joint face to drip irrigation the inner ring.

The other end of the perfusion tube is an expanded anti-falling interface except for the connection end with the inner drip irrigation ring, and is connected with the silicone tube through the anti-falling interface; the filling pipe and the plane of the inner drip irrigation ring form a certain angle.

Preferably, the included angle between the filling pipe and the plane of the inner drip irrigation ring can be 25-65 degrees.

Preferably, the fixed outer ring, the drip irrigation inner ring and the perfusion tube are made of stainless steel materials meeting the ISO/TR15510 standard, the length of the metal perfusion tube is 1.00cm, the outer diameter of the section of the joint of the metal perfusion tube and the drip irrigation inner ring is 1.60mm, and the inner diameter of the section is 1.20 mm; the outer diameter of the cross section of the end part of the perfusion tube is 2.43mm, and the inner diameter is 1.60 mm.

Preferably, in the perfusion device for instilling serum and plasma, the outer diameter of the fixed outer ring is 2mm, and the inner diameter of the fixed outer ring is 1.60 mm; the drip irrigation inner ring is in a closed annular shape and is in a hollow design, the outer diameter of the drip irrigation inner ring is 1.60mm, and the inner diameter of the drip irrigation inner ring is 1.20 mm; 6-10 drip irrigation holes are uniformly distributed in the inner ring of the drip irrigation inner ring; the diameter of the outer ring of the fixed outer ring is 23-25 mm, and the diameter of the outer ring of the drip irrigation inner ring is 22.6-24.6 mm.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses a drip irrigation the hole of driping irrigation of inner ring and drip with the medicine instillation and act on the eyeball surface, when a bottle of disposed medicine uses up, only change infusion bottle or transfer pump, can reach the continuous instillation effect to the eye table, do not need the patient to take off perfusion device, reduce the degree of difficulty of changing dressings, promote the travelling comfort of use.

2. The utility model discloses a be provided with the cavity inner ring that the area was filled the pipe, accessible silicone tube external infusion pump or transfusion system continue to carry out the eye table and fill after having prepared the medicine solution that does not have finished product preparation, and the inner ring can regard as eye table perfusion device exclusive use, not only can carry out the eye table and continue to fill, and because of it is the circled thing, can settle in upper and lower conjunctiva fornix, and fully expose the cornea, is convenient for observe the change of the state of an illness of cornea. In addition, the annular perfusion device is arranged in the fornix ditch, so that the annular perfusion device can be stably worn and is not easy to fall off, and a patient can open the eyes to a certain degree, thereby being convenient for observing the state of an illness and being beneficial to the self-care of the life of the patient.

3. The utility model discloses an amniotic tissue is fixed in the outer lane centre gripping, can carry out the ocular surface amnion and cover when lasting the ocular surface and pouring into, utilizes amnion restoration characteristic, adsorbs the medicine characteristic, can play restoration ocular surface and anti-infective action simultaneously to the ocular surface chemical burn patient, prolongs the ocular surface instillation medicine action time. When the inner ring and the outer ring are used simultaneously, the amnion is clamped between the inner ring and the outer ring, so that the stability of fixing the amnion can be ensured, the amnion is not easy to slip, and the continuous instillation of the inner ring instillation tube is not influenced.

Drawings

Fig. 1 is a schematic cross-sectional view of the entire invention;

FIG. 2 is a schematic cross-sectional view of the amnion of the present invention;

FIG. 3 is a schematic top view of the amnion of the present invention integrally connected thereto;

the labels in the figure are: 1. fixing the outer ring; 2. drip irrigation of the inner ring; 3. a perfusion tube; 4. drip irrigation holes; 5. an anti-drop interface; 6. an amniotic membrane.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.

Example 1

As shown in fig. 1-2, a novel double-ring-shaped ocular surface perfusion device comprises a fixed outer ring 1, a drip irrigation inner ring 2 and a perfusion tube 3; the fixed outer ring 1 is of an annular structure with an opening; the cross-section of fixed outer loop 1 is the structure of "C" shape, drip irrigation inner ring 2 is closed cavity loop configuration, fill pipe 3 and set up on driping irrigation inner ring 2, fill pipe and drip irrigation inner ring 2 through connection, the structure of "C" cross-section shape of fixed outer loop 1 forms the draw-in groove, the diameter of draw-in groove and the diameter looks adaptation of driping irrigation inner ring 2, but drip irrigation inner ring 2 joint is in the draw-in groove, it is provided with on the opposite face with fixed outer loop 1 joint face to drip irrigation inner ring 2 and drips irrigation hole 4.

When the device is used, the amnion 6 can be flatly laid on the drip irrigation inner ring 2, the amnion 6 is fixed through the clamping connection of the fixed outer ring 1 and the drip irrigation inner ring 2, the antibiotic is adsorbed by the amnion 6 and the surface of the eye surface wound is repaired, the retention time of the antibiotic in a conjunctival sac is prolonged, the concentration of the antibiotic in the cornea is improved, the cornea is repaired, the fixed outer ring 1 with the C-shaped structure surface is formed, the clamping connection surface and the contact surface with an eyeball are circular surfaces, the surface of the amnion 6 can be effectively protected, the damage of the amnion 6 is reduced, the foreign body sensation of the eyeball is reduced, and the human body is more comfortable to use.

Drip irrigation hole 4 through driping irrigation inner ring 2 instills the medicine on the eyeball surface and acts on, when a bottle of medicine that disposes used up, only change infusion bottle or transfer pump, can reach the continuous instillation to the ocular surface, do not need the patient to take off filling device, reduce the degree of difficulty of changing dressings, promote the travelling comfort of using.

In order to make more convenient and comfortable when using, fill pipe 3 and drip irrigation the plane at inner ring 2 place and become certain angle, present certain angle and can be when filling the medicine, fill pipe 3 can bulge the outer canthus naturally, make things convenient for the filling medicine to can make things convenient for taking of whole filling pipe 3, and can fix a position fast through filling pipe 3.

The included angle between the filling pipe 3 and the plane of the drip irrigation inner ring 2 can be any angle between 25 degrees and 65 degrees, and the angle is preferably 45 degrees for more comfort of human bodies and convenience of medicine injection.

The other end of the perfusion tube 3 except the connecting end with the drip irrigation inner ring 2 is provided with an expanded anti-falling interface 5, and is connected with a silicone tube through the anti-falling interface 5, and one end of the silicone tube can be connected with an infusion apparatus or an infusion pump; the expanded anti-drop interface 5 can increase the overall clamping force and ensure the stability of pipeline connection during clamping.

In the embodiment, the fixed outer ring 1, the drip irrigation inner ring 2 and the perfusion tube 3 are all made of stainless steel materials meeting the ISO/TR15510 standard, the outer diameter of the section of the joint of the metal perfusion tube 3 and the drip irrigation inner ring 2 is 18G (1.20mm), and the inner diameter is 20G (0.80 mm); the outer diameter of the end part of the perfusion tube 3 is 2.43mm, and the inner diameter is 1.60 mm. The free end is externally connected with a silicone tube, the silicone tube is a medical silicone tube which accords with the ISO10993 standard, the outer diameter of the cross section of one end of the connecting metal perfusion tube 3 is 2.43mm, the inner diameter is 1.60mm, and the end of the connecting infusion set is a spiral two-way connector which is the same as the infusion hose of the disposable infusion set.

In the embodiment, the outer diameter of the fixed outer ring 1 is 1.2mm, and the inner diameter is 0.79 mm; the drip irrigation inner ring 2 is connected through a clamping groove; the inner drip irrigation ring 2 is in a closed annular shape and is in a hollow design, the outer diameter of the inner drip irrigation ring 2 is 23G (0.60mm), and the inner diameter of the inner drip irrigation ring 2 is 25G (0.50 mm); 6-10 drip irrigation holes 4 are uniformly distributed in the inner ring of the drip irrigation inner ring 2, the drip irrigation holes 4 are positioned on one side of the inner ring surface of the drip irrigation inner ring and form an included angle of 45 degrees with the inner ring, the free end is expanded to be an anti-drop connector which is externally connected with a silicone tube, and one end of the silicone tube can be connected with an infusion apparatus or an infusion pump.

The using method comprises the following steps: when the infusion device is used, the infusion device is placed in the conjunctival sac of a patient, one end of the metal infusion tube 3 is positioned at the outer canthus, and the infusion device or the infusion pump is connected. If necessary, the amnion 6 can be fixed between the fixed outer ring 1 and the drip irrigation inner ring 2, the metal perfusion tube 3 is arranged at the C-shaped opening of the outer ring towards the front, and the C-shaped opening of the outer ring faces the outer canthus; the drip irrigation inner ring 2 directly contacts the bulbar conjunctiva, and the amnion 6 covers the drip irrigation inner ring 2, as shown in figure 2; the drip irrigation inner ring 2 clamps and fixes the amnion 6 with the clamping groove of the fixed outer ring 1; because the amnion 6 is a semitransparent tissue, the influence on the daily activities of the patients is small, and the life of the patients is convenient.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (6)

1. A novel dual-ring-shaped ocular surface perfusion device is characterized in that: comprises a fixed outer ring, a drip irrigation inner ring and a perfusion tube; the fixed outer ring is of an annular structure with an opening; the cross section of the fixed outer ring is of a C-shaped structure, the drip irrigation inner ring is of a closed hollow annular structure, the filling pipe is arranged on the drip irrigation inner ring and is in through connection with the drip irrigation inner ring, the C-shaped cross section structure of the fixed outer ring forms a clamping groove, the diameter of the clamping groove is matched with that of the drip irrigation inner ring, the drip irrigation inner ring can be clamped in the clamping groove, and a drip irrigation hole is formed in the opposite surface of the clamping surface of the fixed outer ring of the drip irrigation inner ring.

2. A novel dual annular ocular surface irrigation device as defined in claim 1 wherein: one end of the filling pipe is fixedly communicated with the inner drip irrigation ring, and the other end of the filling pipe is an expanded anti-falling interface and is connected with the silicone tube through the anti-falling interface.

3. A novel dual annular ocular surface irrigation device as defined in claim 1 or 2 wherein: the filling pipe and the plane of the inner drip irrigation ring form an included angle.

4. A novel dual annular ocular surface irrigation device as defined in claim 3 wherein: the included angle between the filling pipe and the plane of the inner drip irrigation ring is 25-65 degrees.

5. A novel dual annular ocular surface irrigation device as defined in claim 1 or 2 wherein: the fixed outer ring, the drip irrigation inner ring and the perfusion tube are all made of stainless steel, the length of the metal perfusion tube is 1.00cm, the outer diameter of the section of the joint of the metal perfusion tube and the drip irrigation inner ring is 1.60mm, and the inner diameter of the section is 1.20 mm; the outer diameter of the cross section of the end part of the perfusion tube is 2.43mm, and the inner diameter is 1.60 mm.

6. A novel dual annular ocular surface irrigation device as defined in claim 1 or 2 wherein: in the perfusion device for instilling serum and plasma, the outer diameter of the fixed outer ring is 2mm, and the inner diameter is 1.60 mm; the drip irrigation inner ring is in a closed annular shape and is in a hollow design, the outer diameter of the drip irrigation inner ring is 1.60mm, and the inner diameter of the drip irrigation inner ring is 1.20 mm; 6-10 drip irrigation holes are uniformly distributed in the inner ring of the drip irrigation inner ring; the diameter of the outer ring of the fixed outer ring is 23-25 mm, and the diameter of the outer ring of the drip irrigation inner ring is 22.6-24.6 mm.

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