CN206045184U - A kind of female Luer - Google Patents
A kind of female Luer Download PDFInfo
- Publication number
- CN206045184U CN206045184U CN201620823638.XU CN201620823638U CN206045184U CN 206045184 U CN206045184 U CN 206045184U CN 201620823638 U CN201620823638 U CN 201620823638U CN 206045184 U CN206045184 U CN 206045184U
- Authority
- CN
- China
- Prior art keywords
- base
- joint shell
- duct
- female luer
- external diameter
- 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
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Abstract
This utility model provides a kind of female Luer, including base, the joint shell matched with the base and the sealing ring positioned at the base with the joint shell junction, except adopting threaded connection between joint shell-and-tube seat of the present utility model, also it is connected with the raised back-off that base periphery adds by joint shell insertion draw-in groove, play double insurance, and the sealing of female Luer is increased by adding sealing ring, prevent the leakage of base inner passage liquid bidirectional circulation, simple structure, it is difficult for drop-off, long service life, no leakage, it is easy to use, it is suitable to large-scale application；In addition, the base is circle with the cross section of the joint shell, and the maximum gauge of the base is equal with the maximum gauge of the joint shell so that the structural outer rim of the joint shell with the structural outer rim of the base on the same line, increases comfortable feel degree；Joint shell periphery is provided with some convex stupefied, increased frictional force during holding, convenient to connect.
Description
Technical field
This utility model belongs to medical instruments field, more particularly, to a kind of female Luer.
Background technology
When the various apparatuses used in medical operating need to be performed the operation, to a certain degree it is connected with other equipment in terms of doctor
Use, can just smoothly complete the operation.During the operation intervened by Jing tremulous pulsies, intervention accessory is commonly used at present, almost most of device
Tool all be unable to do without female Luer.Facilitate doctor's connection other equipment.Therefore rotation female Luer is more and more approved by doctor
Use, which requires also more and more higher.
The female Luer being wherein used in implant surgery is used in operation process, for effectively intervening accessory device with other
Tool, the connection of monitoring device.General female Luer is also made up of base, sealing "O"-ring, joint shell structure, and joint shell
And non-penetrating draw-in groove, when operation pressures are big, joint shell can be caused to come off with base, being smoothed out for surgical can be affected,
Increased operation risk, or even the threat of the life that can be caused to patient.
Utility model content
In view of this, this utility model is directed to a kind of female Luer, to solve the problems, such as prior art.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of female Luer, including the joint shell that matches of base and the base and connect with described positioned at the base
The sealing ring of head capsule junction, the base include outer pipe seat, spacing stage, interior base and the tube base head being sequentially fixedly connected,
The first duct is provided with the outer pipe seat, the spacing stage is interconnected with interior base, tube base head, is inside provided with and described first
Second duct of hole link, more than the aperture with the second duct, the outer pipe seat is interior with described in the aperture in first duct
Base external diameter is identical, the external diameter of respectively less than described spacing stage, and the tube base head external diameter is less than said inner tube seat external diameter, described interior
Base side wall perimeter is provided with external screw thread, and the interior base side wall between the external screw thread and the spacing stage is provided with a projection and falls
Button；
Include nipple and the coupling being consolidated in the joint shell, be provided with the nipple and described second
3rd duct of hole link, is provided with the 4th duct with the 3rd hole link, the 3rd duct in the coupling
For notch cuttype duct, its maximum diameter of hole is identical with said inner tube seat external diameter, and minimum-value aperture is identical with the tube base head external diameter, described
4th duct is identical with second duct aperture, and the inside sidewalls of the nipple are provided with and are matched with interior base side wall perimeter
Female thread and the annular groove for the raised back-off activity, and wherein a section of annular groove extends to be formed to side wall perimeter
The one insertion draw-in groove being adapted with the raised back-off shape；
The base is linked together by two kinds of connected modes of screw thread and buckle with the joint shell.
Further, the cross section of the base and the joint shell is circle, and the maximum gauge of the base with
The maximum gauge of the joint shell is equal so that the structural outer rim of the joint shell is with the structural outer rim of the base with always
On line.
Further, it has been uniformly distributed circumferentially on the joint shell outer wall some convex stupefied.
Further, the sealing ring is O-ring seal, and section is circle, is sheathed on the tube base head, for increasing
Sealing effectiveness between the joint shell and base.
Further, the base is high-strength thermoplastic plastic with joint shell.
Further, be uniformly distributed circumferentially on the joint shell outer wall 6 it is convex stupefied.
Further, the O-ring seal is medical silica-gel circle.
Relative to prior art, female Luer described in the utility model has the advantage that：
Except adopting threaded connection between joint shell-and-tube seat of the present utility model, also by joint shell insertion draw-in groove and pipe
The raised back-off that seat periphery adds connects, and plays double insurance, and the sealing of female Luer is increased by adding sealing ring,
The leakage of base inner passage liquid bidirectional circulation is prevented, simple structure is difficult for drop-off, long service life, no leakage, user
Just, it is suitable to large-scale application；In addition, the cross section of the base and the joint shell is circle, and the base
Maximum gauge is equal with the maximum gauge of the joint shell so that outside the structural outer rim of the joint shell and the structure of the base
Edge on the same line, increases comfortable feel degree；Joint shell periphery is provided with some convex stupefied, increased frictional force during holding, side
Just connect.
Description of the drawings
The accompanying drawing for constituting a part of the present utility model is used for providing further understanding to of the present utility model, and this practicality is new
The schematic description and description of type is used to explain this utility model, does not constitute to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 is that the structure of the female Luer described in this utility model embodiment splits schematic diagram；
Fig. 2 is the structure sectional view of the female Luer shown in Fig. 1 of the present utility model；
Fig. 3 is the structure sectional view of the joint shell of the female Luer shown in Fig. 1 of the present utility model；
Fig. 4 is the structural representation of the assembled state of the female Luer in this utility model Fig. 1.
Description of reference numerals：
1- bases, 2- sealing rings, 3- joint shells, 4- are convex stupefied, 5- insertion draw-in grooves, the first ducts of 6-, the second ducts of 7-, 8-
Three ducts, the 4th ducts of 9-, 10- projection back-offs, 11- outer pipe seats, the spacing stages of 12-, base in 13-, 14- tube base heads.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in this utility model can
To be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " on ", D score,
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " is
Based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than indicate
Or the device or element of hint indication with specific orientation, with specific azimuth configuration and operation, therefore must not be understood that
It is to restriction of the present utility model.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating
Or hint relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately
It is described, " multiple " are meant that two or more.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, can be by concrete condition understanding
State concrete meaning of the term in this utility model.
Below with reference to the accompanying drawings and in conjunction with the embodiments describing this utility model in detail.
A kind of female Luer, as shown in Figures 1 to 3, including base 1, and the joint shell 3 that matches of the base and is located at institute
The sealing ring 2 of base and the joint shell junction is stated, the base 1 includes the outer pipe seat 11, limit rank being sequentially fixedly connected
Platform 12, interior base 13 and tube base head 14, are provided with the first duct 6, the spacing stage 12 and interior base 13, pipe in the outer pipe seat
Seat 14 is interconnected, and is inside provided with the second duct 7 connected with first duct 6, the aperture in first duct 6 more than with
The aperture in the second duct 7, the outer pipe seat 11 are identical with 13 external diameter of said inner tube seat, and respectively less than the spacing stage 12 is outer
Footpath, 14 external diameter of the tube base head are less than 13 external diameter of said inner tube seat, and 13 side wall perimeter of said inner tube seat is provided with external screw thread, described outer
Interior base side wall between screw thread and the spacing stage 12 is provided with a raised back-off 10；
Include nipple and the coupling being consolidated in the joint shell 3, be provided with the nipple and described the
3rd duct 8 of the connection of two duct 7, is provided with the 4th duct 9 connected with the 3rd duct 8 in the coupling, and described
3rd duct 8 is notch cuttype duct, and its maximum diameter of hole is identical with 13 external diameter of said inner tube seat, the minimum aperture in the 3rd duct 8
Footpath is identical with 14 external diameter of the tube base head, and (setting of said structure is to ensure that the joint shell internal mechanism is described with insertion
The structure of the interior base and tube base head of the base inside joint shell matches so that the joint shell is realized with the base
Closely connect), the 4th duct 9 is identical with 7 aperture of the second duct, and the inside sidewalls of the nipple are provided with and interior base side
Female thread and the annular groove for 10 activity of raised back-off that wall periphery matches, and wherein a section of annular groove is to side
Wall periphery is extended and forms an insertion draw-in groove 5 being adapted with the raised back-off shape；
, with the joint shell 3 in addition to being threaded connection, base 1 is special also using working of plastics with joint shell 3 for the base 1
Raised back-off 10 is closely connected by snap by property with insertion draw-in groove 5, is worked under high pressure, and joint shell 3 will not be from base 1
Come off." O " type sealing ring 2 is arranged between joint shell 3 and base 1, and " O " type sealing ring 2 makes 7 liquid of the second duct with sealing
Body two-way circulates and the liquid bidirectional circulation between the 3rd duct 8 is effectively sealed, the leakage for preventing liquid bidirectional from circulating.It is actual to pacify
When load connects, first " O " type sealing ring 2 is enclosed within 1 tube base head of base in clamp joint shell 3, due to " O " type sealing ring 2
Material is medical silica-gel, and medical silica-gel is resilient, by the elasticity having by oneself, seals the liquid for two-way circulating so as to reach
To preferable sealing effectiveness.
Base 1 is high-strength thermoplastic plastic with joint shell 3, and base 1 is circle with the cross section of joint shell 3
Shape, the maximum gauge of base 1 are equal with the maximum gauge of joint shell 3 so that the structural outer rim of joint shell 3 and the structure of base 1
Handle effect is more preferable on the same line for outer rim.
Meanwhile, in order to reach better seal effect, the cross section of base 1, joint shell 3 and " O " type sealing ring 2 is designed
Become circular, and the internal diameter of " O " type sealing ring 2 is slightly larger than the tube base head external diameter, 2 external diameter of " O " type sealing ring is more than joint shell
The maximum diameter of hole about 0.15～0.2mm in interior 3rd duct 8, is in order that sealing "O"-ring 2 can be tight with the inner hole wall of joint shell
Laminating reaches more preferable sealing function.
Preferably, it has been uniformly distributed circumferentially some convex stupefied on 3 outer wall of joint shell, preferably 6 convex stupefied, can increase
During connection, handss and the frictional force of joint shell, conveniently connect.
In order to preferably use, this utility model China and foreign countries base 11, spacing stage 12,14 one of interior base 13 and tube base head
Molding constitutes base 1, and in addition, the change in base at the first duct and the second hole link due to duct external diameter forms one
Notch cuttype position limiting structure, this position limiting structure play position-limiting action when being to being put in base and working out pipe bonding.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in this utility model
Protection domain within.
Claims (7)
1. joint shell and be located at the base and the joint that a kind of female Luer, including base and the base match
The sealing ring of shell junction, it is characterised in that：Outer pipe seat that the base includes sequentially being fixedly connected, spacing stage, interior base
And tube base head, the first duct is provided with the outer pipe seat, the spacing stage is interconnected with interior base, tube base head, is inside provided with
With the second duct of first hole link, the aperture in first duct is more than the aperture with the second duct, the outer tube
Seat, the external diameter of respectively less than described spacing stage identical with said inner tube seat external diameter, the tube base head external diameter are less than said inner tube seat
External diameter, said inner tube seat side wall perimeter are provided with external screw thread, on the interior base side wall between the external screw thread and the spacing stage
It is provided with a raised back-off；
Include nipple and the coupling being consolidated in the joint shell, be provided with the nipple and second duct
3rd duct of connection, is provided with the 4th duct with the 3rd hole link in the coupling, the 3rd duct is rank
Ladder type duct, its maximum diameter of hole are identical with said inner tube seat external diameter, and minimum-value aperture is identical with the tube base head external diameter, and the described 4th
Duct is identical with second duct aperture, in the inside sidewalls of the nipple are provided with
Screw thread and the annular groove for the raised back-off activity, and wherein a section of annular groove extend to side wall perimeter to be formed one with
The insertion draw-in groove that the raised back-off shape is adapted；
The base is linked together by two kinds of connected modes of screw thread and buckle with the joint shell.
2. female Luer according to claim 1, it is characterised in that：The base is with the cross section of the joint shell
Circle, and the maximum gauge of the base is equal with the maximum gauge of the joint shell so that the structural outer rim of the joint shell
With the structural outer rim of the base on the same line.
3. female Luer according to claim 1, it is characterised in that：It has been uniformly distributed circumferentially on the joint shell outer wall
It is some convex stupefied.
4. female Luer according to claim 1, it is characterised in that：The sealing ring is O-ring seal, and section is circle
Shape, is sheathed on the tube base head, for increasing the sealing effectiveness between the joint shell and base.
5. female Luer according to claim 1, it is characterised in that：The base is high-strength thermoplastic with joint shell
Plastic.
6. female Luer according to claim 3, it is characterised in that：It has been uniformly distributed circumferentially on the joint shell outer wall
6 convex stupefied.
7. female Luer according to claim 4, it is characterised in that：The O-ring seal is medical silica-gel circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620823638.XU CN206045184U (en) | 2016-07-27 | 2016-07-27 | A kind of female Luer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620823638.XU CN206045184U (en) | 2016-07-27 | 2016-07-27 | A kind of female Luer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206045184U true CN206045184U (en) | 2017-03-29 |
Family
ID=58379901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620823638.XU Expired - Fee Related CN206045184U (en) | 2016-07-27 | 2016-07-27 | A kind of female Luer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206045184U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113181507A (en) * | 2021-04-19 | 2021-07-30 | 贵州中医药大学第一附属医院 | Device for connecting end-tidal carbon dioxide detector port and stomach tube port and connecting and sealing method thereof |
-
2016
- 2016-07-27 CN CN201620823638.XU patent/CN206045184U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113181507A (en) * | 2021-04-19 | 2021-07-30 | 贵州中医药大学第一附属医院 | Device for connecting end-tidal carbon dioxide detector port and stomach tube port and connecting and sealing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20200727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |