CN213963900U

CN213963900U - Novel medical vitreous chamber syringe

Info

Publication number: CN213963900U
Application number: CN202022245324.5U
Authority: CN
Inventors: 耿燕
Original assignee: Qingdao New Vision Eye Hospital Co ltd
Current assignee: Qingdao New Vision Eye Hospital Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-08-17
Anticipated expiration: 2030-10-09

Abstract

The utility model relates to the technical field of medical equipment, specifically a novel medical vitreous chamber syringe, the one end of first body is fixed with the stationary blade, and the other end of first body is connected with the syringe needle, the outside of first body is provided with supporting mechanism, and the internal connection of first body has the second body, the position department that the inside of first body corresponds the syringe needle is provided with first connecting pipe. The utility model has novel design, the position of the fixing ring on the surface of the first tube body can be adjusted according to the depth of the needle head inserted into the eyeball of the patient, after the needle head is inserted into the eyeball of the patient, the two supporting plates respectively support against the forehead and the face of the patient, a certain supporting force can be provided, and the hand is prevented from shaking when the vitreous body is sucked or the medicine is injected, thereby causing unnecessary injury along with the eyeball of the patient; in addition, the injector does not need to be plugged and replaced back and forth, so that the operation of a doctor is more convenient, the safety is higher, and the cross infection is avoided.

Description

Novel medical vitreous chamber syringe

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a novel medical vitreous chamber injector.

Background

Due to the particularity of eyes, systemic medication (oral administration or intravenous infusion), local eye drop or eye ointment hardly reach the medicine concentration required by disease treatment in some intraocular diseases, thereby influencing the disease treatment effect or not achieving the purpose of disease treatment at all. Injection of drugs through the vitreous cavity of the eye is the best way to solve this problem. Thus, intravitreal injections play an important role in the treatment of ocular diseases, particularly retinal diseases.

Clinically, a common injector is generally adopted for intravitreal injection, after a small part of vitreous bodies are drawn out, another injector needs to be replaced to inject medicine into the vitreous bodies, the operation is very inconvenient, and the possibility of cross infection is increased, so that a novel medical intravitreal injector is provided by technical personnel in the field to solve the problems in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel medical vitreous chamber syringe to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel medical vitreous cavity syringe, includes first body, the one end of first body is fixed with the stationary blade, and the other end of first body is connected with the syringe needle, the outside of first body is provided with supporting mechanism, and the internal connection of first body has the second body, the position department that the inside of first body corresponds the syringe needle is provided with first connecting pipe, the one end of second body is fixed with the tube head, and the other end of second body is fixed with outer three-way pipe, the position department that the inside of second body corresponds first connecting pipe is provided with the second connecting pipe, the one end of outer three-way pipe is connected with first syringe body, and the other end of outer three-way pipe is connected with second syringe body, the one end of second connecting pipe is fixed with interior three-way pipe.

As a further scheme of the utility model, the supporting mechanism includes solid fixed ring, solid fixed ring's one end is provided with first connection piece, and solid fixed ring's the other end is fixed with the second connection piece, solid fixed ring's a side symmetry is fixed with the fixed plate, and solid fixed ring's inboard is provided with the antiskid cover, one side of first connection piece is provided with the knob, one side of second connection piece is provided with the nut, one side of fixed plate is fixed with the hydraulic stem, the one end of hydraulic stem is fixed with the backup pad, and the outside of hydraulic stem has cup jointed the spring, link to each other through the lead screw between knob and the nut, one side of backup pad is provided with the cushion.

As a further scheme of the utility model, antiskid cover and cushion are the component of a rubber material, and between antiskid cover and the solid fixed ring, all link to each other through gluing between backup pad and the cushion.

As a further aspect of the present invention, the fixing ring is a component made of PET material, and the inner diameter of the fixing ring is adapted to the outer diameter of the first pipe.

As a further aspect of the present invention, the through hole has been seted up to the position department that the one end of tube head corresponds the second connecting pipe, the diameter of through hole and the diameter looks adaptation of first connecting pipe.

As a further aspect of the present invention, the support plate is of an arc-shaped structure, and the width of the support plate is not less than 1 cm.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has novel design, the position of the fixing ring on the surface of the first tube body can be adjusted according to the depth of the needle head inserted into the eyeball of the patient, after the needle head is inserted into the eyeball of the patient, the two supporting plates respectively support against the forehead and the face of the patient, a certain supporting force can be provided, and the hand is prevented from shaking when the vitreous body is sucked or the medicine is injected, thereby causing unnecessary injury along with the eyeball of the patient; in addition, insert patient's eyeball with the syringe needle after, can control first syringe body, make it absorb a little vitreous body, detect or reduce the intraocular pressure, then control second syringe body again, pour into the vitreous body with liquid medicine wherein, at this in-process, needn't make a round trip plug and change the syringe, the doctor's operation of being convenient for more, the security is higher, has avoided cross infection simultaneously.

Drawings

FIG. 1 is a schematic structural view of a novel medical vitreous chamber syringe;

FIG. 2 is a schematic diagram of an exploded structure in a novel medical vitreous chamber syringe;

fig. 3 is an enlarged schematic view of a portion A of fig. 1 of a novel medical vitreous chamber syringe.

In the figure: 1. a first pipe body; 2. a fixing sheet; 3. a needle head; 4. a second tube body; 5. a pipe head; 6. an outer three-way pipe; 7. a first connecting pipe; 8. an inner three-way pipe; 9. a first syringe body; 10. a second syringe body; 11. a second connecting pipe; 12. a fixing ring; 13. a first connecting piece; 14. a second connecting sheet; 15. a fixing plate; 16. an anti-slip sleeve; 17. a knob; 18. a nut; 19. a screw rod; 20. a hydraulic lever; 21. a spring; 22. a support plate; 23. a soft cushion.

Detailed Description

Referring to fig. 1-3, in the embodiment of the present invention, a novel medical vitreous chamber injector comprises a first tube 1, a fixing plate 2 fixed to one end of the first tube 1, the other end of the first tube body 1 is connected with a needle 3, a supporting mechanism is arranged outside the first tube body 1, and the inside of the first tube body 1 is connected with a second tube body 4, a first connecting tube 7 is arranged at the position corresponding to the needle 3 inside the first tube body 1, one end of the second tube body 4 is fixed with a tube head 5, an outer three-way pipe 6 is fixed at the other end of the second pipe body 4, a second connecting pipe 11 is arranged at the position corresponding to the first connecting pipe 7 in the second pipe body 4, one end of the outer three-way pipe 6 is connected with a first injector body 9, and the other end of the outer three-way pipe 6 is connected with a second injector body 10, and one end of a second connecting pipe 11 is fixed with an inner three-way pipe 8.

In fig. 1 and 3, the supporting mechanism includes a fixing ring 12, one end of the fixing ring 12 is provided with a first connecting plate 13, the other end of the fixing ring 12 is fixed with a second connecting plate 14, one side of the fixing ring 12 is symmetrically fixed with a fixing plate 15, the inner side of the fixing ring 12 is provided with an anti-slip sleeve 16, one side of the first connecting plate 13 is provided with a knob 17, one side of the second connecting plate 14 is provided with a nut 18, one side of the fixing plate 15 is fixed with a hydraulic rod 20, one end of the hydraulic rod 20 is fixed with a supporting plate 22, the outer part of the hydraulic rod 20 is sleeved with a spring 21, the knob 17 and the nut 18 are connected through a screw rod 19, one side of the supporting plate 22 is provided with a soft cushion 23, the position of the fixing ring 12 on the surface of the first tube body 1 can be adjusted according to the depth of the needle 3 inserted into the eyeball of the patient, the knob 17 is rotated forward, under the forward rotation of the screw rod 19, the distance between the first connecting plate 13 and the second connecting plate 14 is gradually increased, can stir solid fixed ring 12, adjust its position on first body 1 surface, then reverse twist knob 17, under the reverse rotation of lead screw 19, the interval of first connection piece 13 and second connection piece 14 dwindles gradually, can fix solid fixed ring 12, can insert patient's eyeball with syringe needle 3 afterwards, two backup pads 22 support patient's forehead and face respectively, can provide certain holding power, when preventing to absorb the vitreous body or inject the medicine, the hand takes place to rock, cause unnecessary injury along with patient's eyeball.

In fig. 1 and 3, the anti-slip sleeve 16 and the soft pad 23 are both members made of rubber, and the anti-slip sleeve 16 and the fixing ring 12, and the support plate 22 and the soft pad 23 are connected by gluing, the anti-slip sleeve 16 can prevent the fixing ring 12 from sliding on the surface of the first tube 1, so that the fixing is more stable, and the soft pad 23 can make the support plate 22 contact with the face of the patient, so that the touch feeling is more comfortable, and the anti-slip property is also improved.

In fig. 3, the fixing ring 12 is made of PET, and the inner diameter of the fixing ring 12 is adapted to the outer diameter of the first tube 1, and the PET has better toughness, so that the position of the fixing ring 12 on the surface of the first tube 1 can be conveniently adjusted.

In fig. 2, a through hole is formed at a position of one end of the tube head 5 corresponding to the second connecting tube 11, the diameter of the through hole is matched with that of the first connecting tube 7, and the first connecting tube 7 is communicated with the second connecting tube 11 through the through hole, so that the glass body and the liquid medicine are conveniently conveyed.

In fig. 2, the supporting plates 22 are arc-shaped, the width of the supporting plates 22 is not less than 1cm, and the two supporting plates 22 respectively abut against the forehead and the face of the patient, so as to provide a certain supporting force, thereby preventing the hands from shaking when the vitreous body is sucked or the medicine is injected, and causing unnecessary injury along with the eyeballs of the patient.

The utility model discloses a theory of operation is: the position of the fixing ring 12 on the surface of the first pipe body 1 can be adjusted according to the depth of the needle 3 inserted into the eyeball of the patient, the knob 17 is twisted forwards firstly, under the forward rotation of the screw rod 19, the distance between the first connecting piece 13 and the second connecting piece 14 is gradually increased, the fixing ring 12 can be shifted, the position of the fixing ring on the surface of the first pipe body 1 is adjusted, then the knob 17 is twisted backwards, under the reverse rotation of the screw rod 19, the distance between the first connecting piece 13 and the second connecting piece 14 is gradually reduced, the fixing ring 12 can be fixed, then the needle 3 can be inserted into the eyeball of the patient, the two supporting plates 22 respectively support against the forehead and the face of the patient, certain supporting force can be provided, when the glass body is prevented from being sucked or the medicine is injected, the hand is shaken, and unnecessary injury is caused along with the eyeball of the patient.

After inserting syringe needle 3 into patient's eyeball, can control first syringe body 9, make it absorb a little vitreous body, detect or reduce the intraocular pressure, then control second syringe body 10 again, pour into the vitreous body with liquid medicine wherein, at this in-process, needn't make a round trip plug and change the syringe, the doctor's operation of being convenient for more, the security is higher, has avoided cross infection simultaneously.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A novel medical vitreous cavity injector comprises a first pipe body (1) and is characterized in that a fixing piece (2) is fixed at one end of the first pipe body (1), a needle (3) is connected with the other end of the first pipe body (1), a supporting mechanism is arranged outside the first pipe body (1), a second pipe body (4) is connected inside the first pipe body (1), a first connecting pipe (7) is arranged at a position, corresponding to the needle (3), inside the first pipe body (1), a pipe head (5) is fixed at one end of the second pipe body (4), an outer three-way pipe (6) is fixed at the other end of the second pipe body (4), a second connecting pipe (11) is arranged at a position, corresponding to the first connecting pipe (7), inside the second pipe body (4), and one end of the outer three-way pipe (6) is connected with a first injector body (9), and the other end of the outer three-way pipe (6) is connected with a second injector body (10), and one end of the second connecting pipe (11) is fixed with an inner three-way pipe (8).

2. The novel medical vitreous chamber injector according to claim 1, characterized in that the supporting mechanism comprises a fixing ring (12), one end of the fixing ring (12) is provided with a first connecting sheet (13), the other end of the fixing ring (12) is fixed with a second connecting sheet (14), one side of the fixing ring (12) is symmetrically fixed with a fixing plate (15), the inner side of the fixing ring (12) is provided with an anti-slip sleeve (16), one side of the first connecting sheet (13) is provided with a knob (17), one side of the second connecting sheet (14) is provided with a nut (18), one side of the fixing plate (15) is fixed with a hydraulic rod (20), one end of the hydraulic rod (20) is fixed with a support plate (22), the outer part of the hydraulic rod (20) is sleeved with a spring (21), and the knob (17) and the nut (18) are connected through a screw rod (19), one side of the supporting plate (22) is provided with a soft cushion (23).

3. A novel medical vitreous chamber injector according to claim 2, characterized in that said anti-slip cover (16) and said soft pad (23) are both made of rubber material, and the anti-slip cover (16) and the fixing ring (12) and the support plate (22) and the soft pad (23) are connected by gluing.

4. A new medical vitreous chamber syringe according to claim 2, characterized in that said fixing ring (12) is a member made of PET and the inner diameter of the fixing ring (12) is adapted to the outer diameter of the first tubular body (1).

5. The novel medical vitreous cavity syringe according to claim 1, wherein a through hole is formed at one end of the tube head (5) corresponding to the position of the second connecting tube (11), and the diameter of the through hole is matched with that of the first connecting tube (7).

6. The novel medical vitreous cavity syringe according to claim 2, characterized in that said supporting plate (22) has an arc-shaped configuration and the width of the supporting plate (22) is not less than 1 cm.