CN211658730U

CN211658730U - Lacrimal passage irrigation needle

Info

Publication number: CN211658730U
Application number: CN202020190306.9U
Authority: CN
Inventors: 王琼; 赖志凤; 安靓琪; 骆洪梅
Original assignee: West China Hospital of Sichuan University
Current assignee: West China Hospital of Sichuan University
Priority date: 2020-02-19
Filing date: 2020-02-19
Publication date: 2020-10-13
Anticipated expiration: 2030-02-19

Abstract

The utility model provides a needle is washed to lacrimal passage relates to eye treatment technical field, has solved current lacrimal passage and has washed in the preparation work, and operating procedure is comparatively loaded down with trivial details, takes place to pollute easily, and work load is great, the technical problem who wastes time and energy. The lacrimal passage flushing needle comprises a needle tube component, a flushing needle head, a limiting device and flushing liquid; the syringe assembly comprises a syringe and a push handle, the flushing syringe head is fixedly connected with the liquid outlet end of the syringe, at least part of sections of the push handle are inserted into the syringe, a liquid storage space is formed between the end face of the push handle and the inner wall surface of the syringe, and flushing liquid is filled in the liquid storage space; the limiting device is arranged between the needle cylinder and the push handle, or the limiting device is arranged on the push handle and can limit the push handle to move towards the liquid outlet end of the needle cylinder. The utility model is used for provide a can simplify the lacrimal passage and wash the preparation time of treatment, improve work efficiency and can reduce the lacrimal passage that the preparation in-process takes place the pollution probability and wash the needle.

Description

Lacrimal passage irrigation needle

Technical Field

The utility model relates to the technical field of eye treatment, in particular to a lacrimal passage irrigation needle.

Background

In order to reduce the probability of postoperative infection before ophthalmic intraocular surgery, bilateral lacrimal passages of a patient need to be washed and checked before the surgery. The lacrimal passage is mainly flushed by injecting physiological saline or medicine into the lacrimal passage so as to understand the smooth condition of the lacrimal passage.

At present, the lacrimal passage is washed in clinic, at least physiological saline, a needle head special for washing the lacrimal passage, a 5ml medical empty needle, an iodine disinfectant, a sterile cotton swab and a sterile treatment disc are needed, and in the preparation work, firstly, the validity periods of the iodine disinfectant and the physiological saline are checked, and the validity periods of the medical empty needle and the needle head special for washing the lacrimal passage and the integrity of an outer package are checked; then, taking out 2 aseptic cotton swabs, putting the aseptic cotton swabs into an iodine disinfectant, taking out a first aseptic cotton swab, disinfecting the mouth of the normal saline bottle by a clockwise spiral wiping method for 1 minute, taking out a second aseptic cotton swab, disinfecting the mouth of the normal saline bottle by an anticlockwise spiral wiping method for 1 minute; and finally, opening a package outside the 5ml medical empty needle, taking out the 5ml empty needle and connecting the needle head, puncturing the opening of the normal saline bottle, sucking the normal saline, taking off the needle head and throwing into a sharp instrument box, opening the outer package of the special needle head for lacrimal passage flushing, connecting the 5ml empty needle with the sucked normal saline, and exhausting. After the preparation is completed, the product is stored in a sterile treatment tray and is guaranteed to be used within 4 hours.

The applicant has found that during the preparation of the lacrimal irrigation treatment device, at least the following technical problems exist:

1. the preparation steps are complicated, the pollution probability in the preparation process is increased, and meanwhile, the risk that the manual disinfection quality does not reach the standard also exists;

2. the lacrimal passage irrigation equipment placed in the sterile treatment tray can be stored for only 4 hours, and has no accurate time prompt and the overdue use risk;

3. the waiting time of the patient is long, the workload of the outpatient nurse is large, and the time and the labor are wasted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a needle is washed to lacrimal passage to solve the lacrimal passage that exists among the prior art and wash and prepare in the work, operating procedure is comparatively loaded down with trivial details, takes place to pollute easily, and work load is great, the technical problem who wastes time and energy. The following explains various technical effects that can be produced by the preferred technical scheme in the technical schemes of the utility model.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a lacrimal passage flushing needle, which comprises a needle tube component, a flushing needle head, a limiting device and flushing liquid; wherein the content of the first and second substances,

the needle tube assembly comprises a needle tube and a push handle, the flushing needle head is fixedly connected and communicated with the liquid outlet end of the needle tube, at least part of sections of the push handle are inserted into the needle tube, when the push handle slides to a position far away from the liquid outlet end, a liquid storage space is formed between the end face of one end, located in the needle tube, of the push handle and the inner wall surface of the needle tube, and flushing liquid is filled in the liquid storage space;

the limiting device is arranged between the needle cylinder and the push handle, or the limiting device is arranged on the push handle and can limit the push handle to move towards the liquid outlet end of the needle cylinder.

In a preferred or alternative embodiment, a push sheet is arranged at one end of the push handle, which is far away from the needle cylinder, and the outer diameter of the push sheet is larger than the inner diameter of the needle cylinder;

the limiting device comprises a lantern ring, an opening is formed in the side wall surface of the lantern ring, and the lantern ring can be sleeved on the periphery of the push handle through the opening; the periphery of the lantern ring is provided with a clamping piece, and the size of the clamping piece protruding out of the periphery of the lantern ring is larger than the gap between the push handle and the inner wall of the needle cylinder.

In a preferred or alternative embodiment, the collar is provided with anti-slip threads on its outer wall surface.

In a preferred or optional embodiment, the limiting device comprises a blocking piece, the blocking piece is connected with the push handle, and the size of the blocking piece protruding out of the circumferential outer surface of the push handle is larger than the gap between the push handle and the inner wall of the needle cylinder.

In a preferred or alternative embodiment, the blocking piece and the push handle are in break-point connection.

In a preferred or alternative embodiment, the blocking piece and the push handle are of an integrally formed structure.

In a preferred or alternative embodiment, the flushing needle and the liquid outlet end of the syringe are of an integrally formed structure.

In a preferred or alternative embodiment, the flushing needle head is in threaded connection with the liquid outlet end of the syringe.

In a preferred or alternative embodiment, the syringe assembly has a volume of 4.5-5.5ml, the inside diameter of the barrel is 1.2-1.4cm, and the push handle has a length of 11-12 cm.

In a preferred or alternative embodiment, the flushing fluid filled in the reservoir space is 3-4ml of physiological saline.

Based on the technical scheme, the embodiment of the utility model provides a can produce following technological effect at least:

the utility model provides a lacrimal passage washing needle, including needle tubing subassembly, washing syringe needle, stop device and flush fluid, will the flush fluid irritate in the stock solution space that the cylinder and the push handle formed to make washing syringe needle and needle tubing subassembly be linked together, can when needing lacrimal passage washing treatment, unpack apart the extranal packing and directly use, simplified steps such as disinfecting, extraction flush fluid and changing the syringe needle to the outer bottle of washing fluid among the prior art, reduced operating procedure, improved work efficiency greatly; in addition, the limiting device can prevent the push handle from moving to the liquid outlet end of the needle cylinder, and can prevent flushing liquid from flowing out due to the fact that the push handle is pressed in the packaging, transporting or taking processes; finally, the utility model provides a lacrimal passage flushing needle adopts aseptic production and packing to can the printing validity period on the packing, guarantee life.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a first embodiment of the lacrimal passage irrigation needle provided by the present invention;

FIG. 2 is a left side view of the lacrimal passage irrigation needle of FIG. 1;

fig. 3 is a schematic structural view of a lacrimal passage irrigation needle according to a second embodiment of the present invention.

In the drawings, 1, a needle tube assembly; 11. a needle cylinder; 111. a liquid outlet end; 112. a needle wing; 12. a push handle; 121. pushing the sheet; 2. washing the needle head; 3. a limiting device; 31. a collar; 311. a fastener; 32. a baffle plate; 4. and (4) washing the liquid.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides a can simplify the lacrimal passage and wash the preparation time of treatment, improve work efficiency and can reduce the lacrimal passage that the preparation in-process takes place the pollution probability and wash the needle.

The technical solution provided by the present invention is explained in more detail with reference to fig. 1 to 3.

As shown in fig. 1 to 3, the lacrimal passage irrigation needle provided by the present invention comprises a needle tube assembly 1, an irrigation needle head 2, a limiting device 3 and an irrigation liquid 4; wherein the content of the first and second substances,

the needle tube assembly 1 comprises a needle tube 11 and a push handle 12, the flushing needle 2 is fixedly connected and communicated with the liquid outlet end 111 of the needle tube 11, at least part of the section of the push handle 12 is inserted into the needle tube 11, when the push handle 12 slides to a position far away from the liquid outlet end 111, a liquid storage space is formed between the end surface of one end, located in the needle tube 11, of the push handle 12 and the inner wall surface of the needle tube 11, and flushing liquid 4 is filled in the liquid storage space;

the limiting device 3 is arranged between the needle cylinder 11 and the push handle 12, or the limiting device 3 is arranged on the push handle 12 and can limit the push handle 12 to move towards the liquid outlet end of the needle cylinder 11.

Specifically, the structure of the needle tube assembly 1 can refer to the structure of an injector in the prior art, and the structure of the flushing needle head 2 can refer to the structure of a special needle head for lacrimal passage flushing in the prior art; moreover, in the process of producing the lacrimal passage irrigation needle provided by the utility model, the aseptic production and aseptic packaging technology can refer to the injector production line in the prior art.

The utility model provides a lacrimal passage washing needle, including needle tubing subassembly 1, wash syringe needle 2, stop device 3 and flush fluid 4, with flush fluid 4 filling in the stock solution space that cylinder 11 and push away handle 12 formed, and make flush syringe needle 2 and needle tubing subassembly 1 be linked together, can when needing lacrimal passage washing treatment, unpack the extranal packing apart and directly use, the steps such as disinfecting the outer bottle of flush fluid, extracting the flush fluid and changing the syringe needle among the prior art have been simplified, the operation step is reduced, the work efficiency is greatly improved, the risk that medical personnel occupational exposure in the process of changing the syringe needle has also been reduced, reduce the emergence of acupuncturing; in addition, the limiting device 3 can prevent the push handle 12 from moving to the liquid outlet end of the needle cylinder 11, and can prevent the flushing liquid 4 from flowing out due to the fact that the push handle 12 is pressed in the packaging, transporting or taking process; finally, the utility model provides a lacrimal passage flushing needle adopts aseptic production and packing to can the printing validity period on the packing, guarantee life.

In a preferred or alternative embodiment, a push sheet 121 is arranged at one end of the push handle 12 away from the needle cylinder 11, and the outer diameter of the push sheet 121 is larger than the inner diameter of the needle cylinder 11;

the limiting device 3 comprises a lantern ring 31, an opening is formed in the side wall surface of the lantern ring 31, and the lantern ring 31 can be sleeved on the periphery of the push handle 12 through the opening; the periphery of the collar 31 is provided with a snap 311, and the size of the snap 311 protruding out of the periphery of the collar 31 is larger than the gap between the push handle 12 and the inner wall of the syringe 11.

Specifically, as shown in fig. 1-2, a needle wing 112 is disposed on the periphery of one end of the needle cylinder 11 away from the liquid outlet end 111, a gap at an opening of the collar 31 is smaller than the outer diameter of the push handle 12, so as to prevent the collar 31 from falling off the push handle 12, since the collar 31 has a certain elasticity, the gap at the opening can be enlarged, and the collar 31 can be detached from the push handle 12, and an integrally formed structure can be formed between the fastener 311 and the collar 31; in the manufacturing process, after a certain amount of flushing liquid 4 is poured into the liquid storage space, the lantern ring 31 is installed on the periphery of the push handle 12, the size of the clamping piece 311 in the axial direction of the lantern ring 31 is equal to the axial distance between the push piece 121 and the needle wing 112, one end of the clamping piece 311 is in contact with the needle wing 112 at the moment, the other end of the clamping piece is in contact with the push piece 121, the push handle 12 is prevented from moving to the liquid outlet end 111 of the needle cylinder 11 due to extrusion, liquid leakage in the transportation process is prevented, and when the liquid storage space needs to be used, the lantern ring 31 can be detached from the push handle 12.

In a preferred or alternative embodiment, the collar 31 is provided with anti-slip threads on its outer wall surface. The friction force between the human hand and the lantern ring 31 can be increased when the lantern ring 31 is disassembled, and the disassembly is convenient.

In a preferred or alternative embodiment, the limiting means comprises a blocking piece 32, the blocking piece 32 is connected with the push handle 12, and the size of the blocking piece 32 protruding out of the circumferential outer surface of the push handle 12 is larger than the gap between the push handle 12 and the inner wall of the syringe 11.

Specifically, as shown in fig. 3, the blocking plate 32 is fixedly connected to the pushing handle 12, and one surface of the blocking plate 32 contacts with the needle wing 112, so as to block the pushing handle 12 from moving to the liquid outlet end 111 of the syringe 11, and when it is needed, the blocking plate 32 is pulled off from the pushing handle 12.

In a preferred or alternative embodiment, the flap 32 is in break-point connection with the push handle 12. The blocking piece 32 can be conveniently broken off from the push handle 12 by medical staff.

In a preferred or alternative embodiment, the flap 32 is integrally formed with the push handle 12.

In a preferred or alternative embodiment, the irrigation needle 2 is integrally formed with the outlet end of the barrel 11.

Specifically, the structure of the irrigation needle 2 can refer to a special needle for lacrimal passage irrigation in the prior art, and in the production process, the liquid outlet end of the syringe 11 can be directly made into the shape of the interface of the irrigation needle 2, as shown in fig. 1, so as to prevent the irrigation needle 2 from falling off the syringe 11; the washing needle 2 can be sleeved with a needle cap to prevent the needle from stabbing the packaging bag to cause personnel stabbing or product pollution.

In a preferred or alternative embodiment, the flushing needle 2 is in threaded connection with the outlet end 111 of the barrel 11. As shown in fig. 3, the interface of the washing needle 2 may be provided with an internal thread, and the outlet end 111 of the barrel 11 may be provided with an external thread, so that the washing needle 2 is prevented from falling off the barrel 11 after the threaded connection.

In a preferred or alternative embodiment, the syringe assembly 1 has a volume of 4.5-5.5ml, the inside diameter of the barrel 11 is 1.2-1.4cm, and the length of the push handle 12 is 11-12 cm.

In a preferred or alternative embodiment, the flushing fluid 4 filled in the reservoir space is 3-4ml of normal saline.

Specifically, the dimensions of the needle cannula assembly 1 can be referred to the dimensions of a 5ml syringe in the prior art, and the volume of irrigation fluid 4 is preferably 3.5ml, which satisfies the maximum volume required for a clinical lacrimal passage irrigation and allows a medical worker to push the push handle 12 with one hand.

Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.

If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.

Also, above-mentioned the utility model discloses if disclose or related to mutually fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connection (such as riveting and welding), of course, the mutual fixed connection can also be an integral structure (for example, the mutual fixed connection is manufactured by casting and integral forming instead (except that the integral forming process can not be adopted obviously).

In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated. The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. A lacrimal passage flushing needle is characterized by comprising a needle tube component, a flushing needle head, a limiting device and flushing liquid; wherein the content of the first and second substances,

2. The lacrimal passage irrigation needle of claim 1, wherein an end of the push handle distal from the needle cylinder is provided with a push tab, an outer diameter of the push tab being larger than an inner diameter of the needle cylinder;

3. The lacrimal passage irrigation needle of claim 2, wherein an anti-slip pattern is provided on an outer wall surface of the collar.

4. The lacrimal passage irrigation needle of claim 1, wherein the limiting device comprises a blocking piece, the blocking piece is connected with the push handle, and the size of the blocking piece protruding out of the circumferential outer surface of the push handle is larger than the gap between the push handle and the inner wall of the needle cylinder.

5. The lacrimal passage irrigation needle of claim 4, wherein a breakpoint connection is provided between the blocking piece and the push handle.

6. The lacrimal passage irrigation needle of claim 4, wherein the baffle is of an integrally formed structure with the push handle.

7. The lacrimal passage irrigation needle of claim 1, wherein the irrigation needle head and the outlet end of the needle barrel are integrally formed.

8. The lacrimal passage irrigation needle of claim 1, wherein the irrigation needle head is in threaded connection with the liquid outlet end of the needle cylinder.

9. The lacrimal passage irrigation needle of any of claims 1-8, wherein a volume of the needle cannula assembly is 4.5-5.5ml, an inner diameter of the needle barrel is 1.2-1.4cm, and a length of the push handle is 11-12 cm.

10. The lacrimal passage irrigation needle according to any of claims 1 to 8, wherein the irrigation fluid filled in the reservoir space is 3 to 4ml of physiological saline.