CN215083457U - Anti-back-sleeving needle cap sterile syringe - Google Patents

Anti-back-sleeving needle cap sterile syringe Download PDF

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Publication number
CN215083457U
CN215083457U CN202120643534.1U CN202120643534U CN215083457U CN 215083457 U CN215083457 U CN 215083457U CN 202120643534 U CN202120643534 U CN 202120643534U CN 215083457 U CN215083457 U CN 215083457U
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CN
China
Prior art keywords
needle
cap
syringe
nipple
cavity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202120643534.1U
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Chinese (zh)
Inventor
杨飞
涂生芬
叶茂
徐颖
李上莹莹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Childrens Hospital of Chongqing Medical University
Original Assignee
Childrens Hospital of Chongqing Medical University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Priority to CN202120643534.1U priority Critical patent/CN215083457U/en
Application granted granted Critical
Publication of CN215083457U publication Critical patent/CN215083457U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a prevent back cover needle cap aseptic syringe, including the needle cap, the needle cap includes syringe needle cap and needle nipple cap, and the syringe needle cap is cylindric, and syringe needle cap center is equipped with the syringe needle chamber, and the syringe needle chamber is the cylinder, and syringe needle chamber and syringe needle cap are coaxial, and syringe needle cap cover is established at the syringe needle surface, and the syringe needle cover is established on the needle nipple, and the needle nipple cap is "T" shape setting including holding chamber and handheld board, holds the chamber and passes through connecting device and connect the syringe needle cap and keep away from needle nipple one end. The utility model discloses simple structure, convenient operation, syringe finish, pull out the syringe needle, store the syringe needle alone, through handheld board and connecting device's cooperation, take off needle nipple cap, fix needle nipple cap on syringe needle nipple, both can effectively prevent to hinder because of the needle that back cover needle cap leads to, can also improve work efficiency.

Description

Anti-back-sleeving needle cap sterile syringe
Technical Field
The utility model belongs to the technical field of medical instrument, especially, relate to a prevent back cover needle cap aseptic syringe.
Background
A syringe is a common medical device that primarily uses a needle to draw or inject a gas or liquid. Syringes may also be used for injection through rubber septa in medical devices, containers, scientific instruments such as in some chromatography.
At present, most of injectors used in the prior art are provided with a needle head movably on a needle base, in order to prevent others from being punctured, the outer surface of the needle head is sleeved with a needle cap, and the needle head is detachably connected with the needle cap. When in use, the needle cap is taken down and is extracted or injected through the needle head, and after the use is finished, the needle cap needs to be sleeved back on the needle head again. Because the syringe needle appearance is long and thin, and the needle file is less with the syringe needle junction diameter, leads to the needle cap to be long and thin, and the needle holds the chamber for a short time in the needle cap, takes off the in-process at the needle cap, often punctures oneself easily, especially the needle cap back cover in-process, and the probability is hindered to the needle puncture is bigger, and application safety factor is low, and the syringe needle punctures the in-process, leads to cross infection easily, causes medical accident.
At present, in order to prevent the needle stick injury, all levels of medical institutions recommend measures such as retracting the needle with one hand and the like, although the needle stick injury is reduced, the use process is extremely inconvenient, and the efficiency of medical work is influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide a syringe, especially simple structure, convenient operation prevents to stab in the use, avoids cross infection, a prevent back cover needle cap aseptic syringe that factor of safety is high.
In order to solve the technical problem, the utility model discloses a technical scheme is: the needle cap comprises a needle head cap and a needle nipple cap, the needle head cap is cylindrical, a needle head cavity is arranged at the center of the needle head cap and is a cylinder, the needle head cavity and the needle head cap are coaxial, the needle head cap is sleeved on the outer surface of a needle head, the needle nipple cap is sleeved on the needle nipple, the needle nipple cap comprises an accommodating cavity and a handheld plate, the accommodating cavity and the handheld plate are arranged in a T shape, the accommodating cavity is connected with the needle head cap through a connecting device, one end of the needle nipple is far away from the needle head cap, and the needle head penetrates through the connecting device and enters the accommodating cavity.
Further, the inner diameter of the needle cavity is matched with the outer diameter of the needle base.
Further, the needle cap length is less than the needle length, and the sum of the needle cap length, the connecting device length, and the accommodating cavity length is greater than the needle length.
Furthermore, the connecting device is a connecting pipe, one end of the connecting pipe is communicated with the needle head cavity, the other end of the connecting pipe is communicated with the accommodating cavity, the handheld plate rotates, and the connecting pipe is broken.
Furthermore, the connecting device is of a threaded structure, the outer surface of the end part of the needle head cap is provided with an external thread, the inner surface of the accommodating cavity is provided with an internal thread, and the external thread is matched with the internal thread.
Further, the inner diameter of the containing cavity is matched with the outer diameter of the needle nipple.
Furthermore, the handheld plate is rectangular plate-shaped, the length of the handheld plate is 0.5 cm-1.5 cm, and the width of the handheld plate is 0.5 cm-1 cm.
Furthermore, the handheld plate is provided with anti-skid grains.
Further, still include the syringe, the syringe includes empty section of thick bamboo and piston shaft, empty section of thick bamboo is the cavity tubulose thing, empty section of thick bamboo surface is equipped with the scale mark, empty bobbin base portion is equipped with the nipple of needle, nipple of needle intercommunication the syringe needle, piston shaft bottom is equipped with the piston, the piston is arranged in the empty section of thick bamboo.
Further, a piston handle is arranged at the top of the piston shaft, the piston handle is circular and arranged at the end part of the piston shaft, and a baffle is arranged at the top of the hollow cylinder, is annular and is arranged at the end part of the hollow cylinder.
The utility model has the advantages and positive effects that:
1. the utility model discloses simple structure, convenient operation, syringe finish, pull out the syringe needle, store the syringe needle alone, through handheld board and connecting device's cooperation, take off needle nipple cap, fix needle nipple cap on syringe needle nipple, both can effectively prevent to hinder because of the needle that back cover needle cap leads to, can also improve work efficiency.
2. The utility model discloses pass through connecting device with syringe needle cap and needle nipple cap and be connected, through handheld board, conveniently with syringe needle cap and the separation of needle nipple cap, easy operation, labour saving and time saving.
3. The utility model discloses peg graft the syringe needle on syringe needle nipple, peg graft the syringe needle cap on the syringe needle, the syringe needle is arranged in the syringe needle chamber and is passed connecting device and get into and hold the chamber, and connecting device connects the nipple cap of needle on the syringe needle cap, through wrapping bag disposable packing, sanitation and hygiene.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
Fig. 2 is a schematic structural view of a needle cap according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of another needle cap according to the embodiment of the present invention.
Fig. 4 is a schematic view of a syringe and needle nipple cap in accordance with an embodiment of the present invention.
In the figure:
1. needle nipple 2, needle head 3 and needle head cap
4. Connecting device 5, accommodating cavity 6 and handheld board
7. Nipple cap 8, cap 9, needle cavity
10. Needle base 11, syringe 12, connecting tube
13. External thread 14, internal thread 15, piston handle
16. Baffle 17, hollow cylinder 18 and piston shaft
19. A piston.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiments of the present invention will be further described with reference to the accompanying drawings:
as shown in fig. 1, the present embodiment provides a sterile syringe with a needle cap for preventing back-cover, which includes a needle cap 8, the needle cap 8 includes a needle cap 3 and a needle nipple cap 7, the needle cap 3 is cylindrical, a needle cavity 9 is disposed in the center of the needle cap 3, the needle cavity 9 is cylindrical, the needle cavity 9 and the needle cap 3 are coaxial, the needle cap 3 is sleeved on the outer surface of a needle 2, and the needle 2 is sleeved on the needle nipple 1. The needle nipple cap 7 comprises an accommodating cavity 5 and a handheld plate 6, the accommodating cavity 5 and the handheld plate 6 are arranged in a T shape, the accommodating cavity 5 is connected with one end, far away from the needle nipple 1, of the needle head cap 3 through a connecting device 4, and the needle head 2 penetrates through the connecting device 4 to enter the accommodating cavity 5.
Specifically, the inner diameter of the needle cavity 9 is matched with the outer diameter of the needle base 10, and the needle cap 3 is sleeved on the outer surface of the needle 2. The length of the needle cap 3 is less than that of the needle 2, and the length of the needle cap 3, the length of the connecting device 4 and the length of the containing cavity 5 are greater than that of the needle 2. The inner diameter of the receiving chamber 5 is matched with the outer diameter of the needle nipple 1, and the receiving chamber 5 can be sleeved on the outer surface of the needle nipple 1 after the needle head cap 3 is separated from the needle nipple cap 7 by the connecting device 4. In the embodiment, the needle cap 3 is connected with the needle nipple cap 7 through the connecting device 4, and the needle cap 3 is conveniently separated from the needle nipple cap 7 through the handheld plate 6, so that the operation is simple, and the time and the labor are saved.
The syringe 11 of this embodiment finishes using the back, pulls out syringe needle 2, stores syringe needle 2 alone, and through the cooperation of handheld board 6 with connecting device 4, takes off needle nipple cap 7, fixes needle nipple cap 7 on the needle nipple 1 of syringe 11, both can effectively prevent because of the needle puncture that back cover needle cap leads to hinder, can also improve work efficiency.
The connecting device 4 is a structure for connecting the needle cap 3 and the needle nipple cap 7, and the connecting device 4 can be in various structures as long as the functions are realized. Specifically, as shown in fig. 2, the connection device 4 provided in this embodiment is a connection tube 12, one end of the connection tube 12 is connected to the needle cavity 9, the other end of the connection tube 12 is connected to the accommodating cavity 5, and the connection tube 12 is broken by rotating the hand-held plate 6.
Alternatively, as shown in fig. 3, the connecting device 4 is a screw structure, the outer surface of the end of the needle cap 3 is provided with an external thread 13, the inner surface of the accommodating cavity 5 is provided with an internal thread 14, and the external thread 13 is matched with the internal thread 14.
The hand-held plate 6 is a device for conveniently holding the needle nipple cap 7 and separating the needle head cap 3 from the needle nipple cap 7, and the hand-held plate 6 can be in various structures as long as the functions are realized. Specifically, the handheld board 6 provided in this embodiment is rectangular board-shaped, the length of the handheld board 6 is 0.5cm to 1.5cm, and the width of the handheld board 6 is 0.5cm to 1 cm. Preferably, the handheld plate 6 is provided with anti-slip lines, so that a user can conveniently hold the handheld plate.
As shown in fig. 4, the injection device 11 is further included, the injection device 11 includes an empty cylinder 17 and a piston shaft 18, the empty cylinder 17 is a hollow tubular object, the outer surface of the empty cylinder 17 is provided with scale marks, the bottom of the empty cylinder 17 is provided with a needle nipple 1, the needle nipple 1 is communicated with a needle head 2, the bottom of the piston shaft 18 is provided with a piston 19, and the piston 19 is arranged in the empty cylinder 17.
The top of the piston shaft 18 is provided with a piston handle 15, the piston handle 15 is circular and is arranged at the end part of the piston shaft 18, the top of the hollow cylinder 17 is provided with a baffle 16, and the baffle 16 is annular and is arranged at the end part of the hollow cylinder 17.
The utility model discloses a theory of operation is:
the needle head 2 is inserted on the needle nipple 1 of the syringe 11, the needle head cap 3 is inserted on the needle head 2, the needle nipple cap 7 is connected on the needle head cap 3 through the connecting device 4, and the disposable packaging is realized through the packaging bag, so the disposable packaging is clean and sanitary.
When in use, the sealed packaging bag is opened, the sterile syringe 11 is taken out, the needle cap 8 is separated from the needle 2, and the front section needle cap 3 of the needle cap 8 is disconnected with the rear section needle nipple cap 7 for standby. Using a sterile syringe 11 to extract the medicine, discarding the needle 2 after extraction, directly connecting the front-segment needle cap 3 to the needle nipple 1 as shown in fig. 4, then placing the empty needle 2 with the medicine in a sterile place for standby, and directly discarding the sterile syringe 11 after the medicine is used. By doing so, the needle stick injury caused by the back-sleeved needle cap 8 can be effectively prevented, and the working efficiency can be improved.
The utility model has the advantages and positive effects that:
1. the utility model discloses simple structure, convenient operation, syringe finish, pull out the syringe needle, store the syringe needle alone, through handheld board and connecting device's cooperation, take off needle nipple cap, fix needle nipple cap on syringe needle nipple, both can effectively prevent to hinder because of the needle that back cover needle cap leads to, can also improve work efficiency.
2. The utility model discloses pass through connecting device with syringe needle cap and needle nipple cap and be connected, through handheld board, conveniently with syringe needle cap and the separation of needle nipple cap, easy operation, labour saving and time saving.
3. The utility model discloses peg graft the syringe needle on syringe needle nipple, peg graft the syringe needle cap on the syringe needle, the syringe needle is arranged in the syringe needle chamber and is passed connecting device and get into and hold the chamber, and connecting device connects the nipple cap of needle on the syringe needle cap, through wrapping bag disposable packing, sanitation and hygiene.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (10)

1. The utility model provides a prevent back cover needle cap aseptic syringe which characterized in that: the novel needle cap comprises a needle cap body, the needle cap body comprises a needle head cap and a needle nipple cap, the needle head cap body is cylindrical, a needle head cavity is arranged in the center of the needle head cap body, the needle head cavity is cylindrical, the needle head cavity and the needle head cap body are coaxial, the needle head cap body is sleeved on the outer surface of a needle head, the needle head cap body is sleeved on the needle nipple head, the needle nipple cap body comprises an accommodating cavity and a handheld plate, the accommodating cavity and the handheld plate are arranged in a T shape, the accommodating cavity is connected with one end, far away from the needle nipple, of the needle head cap body through a connecting device, and the needle head penetrates through the connecting device to enter the accommodating cavity.
2. The anti-back needle cap sterile syringe of claim 1, wherein: the inner diameter of the needle head cavity is matched with the outer diameter of the needle head base.
3. The anti-back needle cap sterile syringe of claim 1 or 2, wherein: the needle cap length is less than the needle length, the needle cap length, the connecting device length and the accommodating cavity length are greater than the needle length.
4. The anti-back needle cap sterile syringe of claim 1 or 2, wherein: the connecting device is a connecting pipe, one end of the connecting pipe is communicated with the needle head cavity, the other end of the connecting pipe is communicated with the containing cavity, the handheld plate rotates, and the connecting pipe is broken.
5. The anti-back needle cap sterile syringe of claim 1 or 2, wherein: the connecting device is of a threaded structure, external threads are arranged on the outer surface of the end part of the needle head cap, internal threads are arranged on the inner surface of the accommodating cavity, and the external threads are matched with the internal threads.
6. The anti-back needle cap sterile syringe of claim 1 or 2, wherein: the inner diameter of the accommodating cavity is matched with the outer diameter of the needle nipple.
7. The anti-back needle cap sterile syringe of claim 1 or 2, wherein: the handheld plate is rectangular plate-shaped, the length of the handheld plate is 0.5 cm-1.5 cm, and the width of the handheld plate is 0.5 cm-1 cm.
8. The anti-back needle cap sterile syringe of claim 1 or 2, wherein: the handheld plate is provided with anti-skid lines.
9. The anti-back needle cap sterile syringe of claim 1 or 2, wherein: still include the syringe, the syringe includes empty section of thick bamboo and piston shaft, empty section of thick bamboo is the cavity tubulose thing, empty section of thick bamboo surface is equipped with the scale mark, empty bobbin base portion is equipped with the needle nipple, needle nipple intercommunication the syringe needle, piston shaft bottom is equipped with the piston, the piston is arranged in the empty section of thick bamboo.
10. A syringe according to claim 9, wherein: the piston shaft top is equipped with the piston handle, the piston handle is circular, arranges in the piston shaft tip, empty bobbin top is equipped with the baffle, the baffle is the annular, arranges in empty bobbin tip.
CN202120643534.1U 2021-03-30 2021-03-30 Anti-back-sleeving needle cap sterile syringe Expired - Fee Related CN215083457U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120643534.1U CN215083457U (en) 2021-03-30 2021-03-30 Anti-back-sleeving needle cap sterile syringe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120643534.1U CN215083457U (en) 2021-03-30 2021-03-30 Anti-back-sleeving needle cap sterile syringe

Publications (1)

Publication Number Publication Date
CN215083457U true CN215083457U (en) 2021-12-10

Family

ID=79345893

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120643534.1U Expired - Fee Related CN215083457U (en) 2021-03-30 2021-03-30 Anti-back-sleeving needle cap sterile syringe

Country Status (1)

Country Link
CN (1) CN215083457U (en)

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20211210