CN108339194A - A kind of sheath, syringe nozzle and its application of bent moulding - Google Patents
A kind of sheath, syringe nozzle and its application of bent moulding Download PDFInfo
- Publication number
- CN108339194A CN108339194A CN201810291603.XA CN201810291603A CN108339194A CN 108339194 A CN108339194 A CN 108339194A CN 201810291603 A CN201810291603 A CN 201810291603A CN 108339194 A CN108339194 A CN 108339194A
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- Prior art keywords
- sheath
- cavity
- shaped metal
- moulding
- metal silk
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- 238000000465 moulding Methods 0.000 title claims abstract description 63
- 239000002184 metal Substances 0.000 claims abstract description 66
- 229910052751 metal Inorganic materials 0.000 claims abstract description 66
- 239000003292 glue Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 16
- 238000010276 construction Methods 0.000 abstract description 6
- 238000005452 bending Methods 0.000 description 20
- 238000007789 sealing Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 239000003814 drug Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000003032 molecular docking Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
- A61M39/105—Multi-channel connectors or couplings, e.g. for connecting multi-lumen tubes
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pulmonology (AREA)
- Vascular Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention relates to a kind of sheath, syringe nozzle and its applications of bent moulding.Sheath includes sheath tube head and is connected to the multi-lumen tube at the first end of the sheath, moulding cavity and at least one functional cavity are provided in multi-lumen tube, shaped metal silk is provided in moulding cavity, the end face that the multi-lumen tube is extended in one end of shaped metal silk forms flat positioning region, and positioning region is embedded in the sheath tube head, and the channel to connect with functional cavity is provided in the sheath tube head.Sheath provided by the invention is designed using flat positioning region, can prevent shaped metal silk from rotating and moving axially so that sheath arbitrarily bends moulding and restored under the driving of shaped metal silk and is in line or reversely bends, and occupies little space.In addition, be improved by the construction to cavity, non-deformability that can be in reinforced pipe improves effective liquid cross-sectional in functional cavity.
Description
Technical field
The invention belongs to medical instruments field, more particularly, to a kind of sheath of bent moulding, syringe nozzle and
It is applied.
Background technology
For sheath in medical instrument use than wide, most of is all to connect syringe by Rule head.According to sheath
Function, which carries out classification, can be divided into bent moulding and not bent moulding, and the sheath application range of bent moulding is wider, technology
Difficulty higher.
Bent sheath is more to have set a chamber for being used for being packed into shaped metal silk other than the cavity of functional property
Road.Shaped metal silk can bend sizing in use, and bent sheath, can be random under the driving of shaped metal silk
Moulding is bent, therefore, the matched combined of shaped metal silk and sheath in sheath is the performance quality for being related to bent sheath
Key technology point.
But since shaped metal silk has fixed reaction force, once bent toward direction, it is desirable to recovery be in line or
When person bends toward another direction, often shaped metal silk can after stress in cavity along rotation, and can not be according to making
The requirement of user is bent into different shapes, therefore, sheath is enable to be bent into different shape, and can fix shape again after bending
Shape is the problem that need to currently overcome.
Invention content
It is an object of the invention to can be rotated after overcoming existing shaped metal silk stress so that sheath can not be bent into
The shortcomings and deficiencies that shape can not be fixed after required shape and bending, provide a kind of sheath of bent moulding, the present invention carries
The sheath of confession is improved the fixed form of wire, not only so that shaped metal silk will not occur in bending process repeatedly
Rotation, and required space is small, can be applied to the smaller sheath of sheath tube head.
Another object of the present invention is to provide a kind of syringe nozzles.
Another object of the present invention is to provide above-mentioned bent moulding sheath as connecting component in syringe products or
As application of the part in multi-cavity catheter.
To realize that the purpose of foregoing invention, the present invention adopt the following technical scheme that：
A kind of sheath of bent moulding, the sheath include sheath tube head and are connected to the multi-lumen tube at the first end of the sheath, institute
It states and is provided with moulding cavity and at least one functional cavity in multi-lumen tube, shaped metal silk is provided in the moulding cavity,
The end face that the multi-lumen tube is extended in one end of the shaped metal silk forms flat positioning region, and the positioning region is embedded
In the channel in the sheath tube head, being provided in the sheath tube head and functional cavity connects.
In the prior art, in order to facilitate loading shaped metal silk, shaped metal silk is generally designed as circular section.
The wire of circular cross-section is during bending stress, it is possible to because of the difference of hardness of the hardness and shaped metal silk of multi-lumen tube
Different, deflection is variant, causes the deformation of the deformation of shaped metal silk and multi-lumen tube inconsistent, and shaped metal silk is caused to revolve
Turn.If sheath can not fix the rotation of shaped metal silk in internal structure, sheath is in first bending process, it is possible to meeting
The case where there is shaped metal silk and sheath separation, deformation can not be synchronized, that is, user can not be allowed effectively to control sheath
Bending deflection.In addition, if being intended to carry out second of moulding to sheath or the sheath of bending originally being broken directly,
Meeting is because the separation of shaped metal silk and sheath or shaped metal silk rotate and can not change the shape of bending.
One end of shaped metal silk is designed as flat positioning region by the present invention, and the positioning region is embedded in sheath tube head
In, it can be achieved that shaped metal silk and sheath tube head fixation, prevent shaped metal silk from being rotated during bending stress, together
When define the movement of shaped metal silk in the axial direction, allow wire can not upper and lower vibration so that sheath can be in shaped metal silk
Driving under arbitrarily bend moulding and restore be in line or reversely bend.
Meanwhile the positioning region in this programme uses flat design, occupies little space, and need not be consolidating for shaped metal silk
It is fixed deliberately to design space, it can be substantially reduced the diameter of sheath tube head, keep its volume smaller finer, on the one hand, user makes
With in the process will not because sheath tube head is excessive and block vision, on the other hand, when sheath is combined as spare and accessory parts with other parts
When, the volume smaller of entire product can be made, it is more convenient to use.
Preferably, length L of the positioning region in the section of the shaped metal silk radial direction1More than moulding gold
Belong to the diameter of silk, width L of the positioning region in the section of the shaped metal silk radial direction2Less than the shaped metal silk
Diameter.
Preferably, the functional cavity includes the first functional cavity and the second functional cavity, in the sheath tube head
Portion is equipped with the distributary division that its inner space is divided into first passage and second channel；Described first functional cavity and the second work(
Energy property cavity connects with the first passage and second channel respectively, and the positioning region is embedded in the distributary division.
Preferably, the end face of the first passage forms concave station less than the end face of the second channel, the distributary division
End face is concordant with the end face of the first passage or second channel.
The design of concave station construction so that sheath provided by the invention is more convenient accurate when being docked with other components.Such as sheath
When pipe is docked with syringe connector, the boss to match is set at the medicine liquid outlet end of syringe connector, then by convex
The standard between two cavities in sheath tube head in two channels and syringe connector can be realized in the mutual cooperation of platform and concave station
Really docking.
Can bending moulding sheath bending moulding in use, the cavity in sheath can be made to deform upon, rationally
Cavity design, can be so that after sheath deformation, cavity in sheath keeps balance, section of each cavity before deformation and after deformation
Area change is small, does not interfere with the throughput of cavity liquid.Accordingly, construction of the present invention to functional cavity and moulding cavity
Further improvement is carried out.
Preferably, the sheath includes at least two functional cavities, is provided in the sheath tube head and each functional chamber
The channel that road is corresponded and penetrated through respectively with each functional cavity；The moulding cavity is located at the axis center of the multi-lumen tube.
Preferably, the cross section of each functional cavity be using the cross-section center of the multi-lumen tube as the circular arc in the center of circle, and
The radiused cross-section of each functionality cavity is centrosymmetric.
Since the radiused cross-section of each functional cavity is centrosymmetric, each functionality cavity can in multi-lumen tube
The cavity of balance is formed, also, since axis center has the support of moulding cavity, on the one hand, in the process of bending, each functionality chamber
Road is stackable at three-dimensional framework, the non-deformability in reinforced pipe, on the other hand, each functional chamber that cross section is arc-shaped
Road can maintain original sectional area after bending occurs and not have big variation, ensure that entire multi-lumen tube has in functional cavity
The liquid cross-sectional of effect thereby further ensures that the liquid throughput of functional cavity, prevents from blocking.
Preferably, the sheath tube head is integrally formed with the multi-lumen tube.The sheath can be made by Shooting Technique,
The present invention also provides a kind of achievable sheath tube head and the integrally formed preparation method of multi-lumen tube, the preparation method includes such as
Lower step：
S1：Being prepared using extrusion die has the multi-lumen tube of functional cavity and moulding cavity；
S2：One end that shaped metal silk is mounted in multi-lumen tube in advance, and shaped metal silk is extended to multi-lumen tube is designed as flat
Shape is to obtain positioning region；
S3：The multi-lumen tube for installing shaped metal silk is put into vertical injection mould and is molded by sheath tube head to get the sheath.
Preferably, the sheath is made of flexible glue plastics or rubber so that sheath can be in the driving of shaped metal silk
Under, according to the requirement of user, it is bent into different shape.
A kind of syringe nozzle, the syringe nozzle include any of the above-described sheath and connect respectively with the sheath both ends
The nozzle nut and nozzle connect.
Above-mentioned sheath as connecting component syringe products or as application of the part in multi-cavity catheter also in this hair
In bright protection domain.
Compared with prior art, the present invention has the advantages that：
One end of shaped metal silk is designed as flat positioning region, and and sheath by the sheath of bent moulding provided by the invention
Tube head is fixedly connected, and can prevent shaped metal silk from rotating and moving axially so that sheath is under the driving of shaped metal silk
Moulding can arbitrarily be bent and restored and be in line or reversely bend.Simultaneously as positioning region uses flat design, occupied space
It is small, it may make the volume smaller of sheath tube head finer.In addition, being changed by the construction to functional cavity and moulding cavity
Into the non-deformability in reinforced pipe improves effective liquid cross-sectional in functional cavity.
Description of the drawings
Fig. 1 is the structural schematic diagram of the sheath of the bent moulding in the embodiment of the present invention 1；
Fig. 2 is schematic diagram of the sheath of the bent moulding in the embodiment of the present invention 1 under bending state；
Fig. 3 is the structural schematic diagram of the multi-lumen tube of the sheath of the bent moulding in the embodiment of the present invention 1；
Fig. 4 is the structural schematic diagram of the shaped metal silk in the embodiment of the present invention 1；
Fig. 5 be the embodiment of the present invention 1 in Fig. 4 shown in shaped metal silk positioning region enlarged drawing；
Fig. 6 is the structural schematic diagram of the sheath tube head of the sheath of the bent moulding in the embodiment of the present invention 1；
Fig. 7 is the structural schematic diagram of the sheath tube head and multi-lumen tube junction in the embodiment of the present invention 1；
Fig. 8 is the cross-sectional view of the multi-lumen tube in the embodiment of the present invention 1；
Fig. 9 is the cross-sectional view of multi-lumen tube in the prior art；
Figure 10 is the cross-sectional view of the multi-lumen tube of another embodiment of the present invention；
Figure 11 is the structural schematic diagram of syringe nozzle in the embodiment of the present invention 2；
Wherein：
1 is sheath tube head, and 2 be multi-lumen tube, and 3 be functional cavity, and 4 be moulding cavity, and 5 be shaped metal silk, and 6 be shaped metal
The positioning region of silk, 7 be the distributary division of sheath tube head, and 8 be nozzle nut, and 9 be nozzle, and 11 be the first sealing ring, and 12 be the second sealing
Circle.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with Figure of description and tool
Body embodiment, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only explaining
The present invention is not intended to limit the present invention.In addition, technology involved in the various embodiments of the present invention described below
Feature can be combined with each other as long as they do not conflict with each other.
It should be noted that when original paper is referred to as " being set to ", " install in " another element, it both can be directly another
On element, there may also be original papers placed in the middle.When an element is considered " to connect " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Embodiment 1
As shown in Figure 1 and 2, the present embodiment provides a kind of sheath of bent moulding, which includes integrally formed sheath tube head 1
With multi-lumen tube 2, the multi-lumen tube 2 can need bending moulding and restore to be in line or reversely bend according to user.
In the present embodiment, there are two functional cavity 3 and moulding cavities 4 for setting in the multi-lumen tube 2.The moulding cavity
It is provided with shaped metal silk 5 in 4, the end face that multi-lumen tube 2 is extended in one end of shaped metal silk 5 forms flat positioning region 6.
Fig. 3 show the structural schematic diagram of multi-lumen tube 2, and functional cavity 3 and moulding cavity are provided in the multi-lumen tube 2
4.The functionality cavity 3 includes the first functional cavity and the second functional cavity, and shaped metal is provided in moulding cavity 4
Silk 5, the end face that multi-lumen tube 2 is extended in one end of shaped metal silk 5 form flat positioning region 6.
Fig. 4 is the structural schematic diagram of the shaped metal silk 5, as shown in figure 4, the shaped metal silk 5 includes cross section
It is in flat positioning region 6 for circular wire main body and set on wire main body one end, the wire main body is set
In in the moulding cavity 4.
Fig. 5 show the enlarged drawing of the positioning region 6.The positioning region 6 is along 5 radial direction upper section of shaped metal silk
Length L1More than the diameter of shaped metal silk 5, width L of the positioning region 6 along 5 radial direction upper section of shaped metal silk2Less than moulding
The diameter of wire 5.
One end of shaped metal silk 5 is designed as flat positioning region 6 by the present invention, and the positioning region 6 is embedded in sheath
, it can be achieved that the fixation of shaped metal silk 5 and sheath tube head 1, prevents shaped metal silk 5 from being sent out during bending stress in tube head 1
Raw rotation, also defines the movement of shaped metal silk 5 in the axial direction, allows shaped metal silk 5 can not upper and lower vibration so that sheath
Moulding can be arbitrarily bent under the driving of shaped metal silk 5 and is restored be in line or reversely bend.
Fig. 6 is the structural schematic diagram of the present embodiment mesotheca tube head, as shown in fig. 6, be internally provided with will be in it for the sheath tube head 1
Portion space is divided into the distributary division 7 of first passage and second channel；First passage and second channel respectively with the first functional chamber
Road and the second functional cavity match and penetrate through.
Preferably, as shown in fig. 6, the end face of first passage forms concave station, the end of distributary division 7 less than the end face of second channel
Face is concordant with the end face of first passage.The design of concave station construction makes sheath provided by the invention when being docked with other components more
It is convenient accurate.As sheath with syringe connector（It is not shown, similarly hereinafter）When docking, at syringe connector medicine liquid outlet end
The boss to match is set, two channels and syringe in sheath tube head then can be realized by the mutual cooperation of boss and concave station
The accurate docking between two cavities in connector.
As shown in Figure 7, it is preferred that the positioning region 6 is embedded in distributary division 7.Need not be that positioning region 6 is deliberately designed
Space can be substantially reduced the diameter of sheath tube head, keep its volume smaller finer, on the one hand, user in use will not
Because sheath tube head is excessive and block vision, on the other hand, when sheath is combined as spare and accessory parts with other parts, can make whole
The volume smaller of a product, it is more convenient to use.
As shown in figure 8, in the present embodiment, during the cross section of the moulding cavity 4 is round and the axis positioned at multi-lumen tube 2
The heart, the cross section of the functionality cavity 3 are and the first functional chamber using the cross-section center of multi-lumen tube 2 as the circular arc in the center of circle
The cross section of road and the second functional cavity is centrosymmetric（Minute surface is symmetrical）Setting.
Since the radiused cross-section of the first functional cavity and the second functional cavity is that minute surface is symmetrical, in multi-lumen tube
Internal structure be two tubuloses parallel construction, there is double-deck bending ability, in the case where keeping cross section unanimous circumstances, phase
Than the non-concentric section design of conventional multi-lumen tube（Such as Fig. 9）, sheath provided in this embodiment is in holding cross section consistency
It is upper that there is more excellent bending ability.Also, since axis center has the support of moulding cavity, on the one hand, in the process of bending,
Two layers of cavity that first functional cavity and the second functional cavity are constituted is stackable at three-dimensional framework, the resistance in reinforced pipe
Shape ability, on the other hand, each functional cavity that cross section is arc-shaped can maintain original cross section after bending occurs
Product does not have big variation, ensures that entire multi-lumen tube effective liquid in the first functional cavity and the second functional cavity is cut
Face thereby further ensures that the liquid throughput of functional cavity, prevents from blocking.
It will be appreciated by persons skilled in the art that the functionality cavity 3 may be set to be one, three or its
His quantity, the present invention are not limited the quantity of functional cavity 3 in multi-lumen tube.
For example, in another embodiment of the present invention, the multi-lumen tube 2 only includes a functional cavity 3, the sheath tube head
（1）Peripheral wall there is certain thickness, it is described to be directly embedded at the sheath tube head in flat positioning region 6（1）Peripheral wall
It is interior, it need not be that space is deliberately designed in positioning region 6, the diameter of sheath tube head can be substantially reduced, keep its volume smaller finer, one
Aspect, user in use will not because sheath tube head is excessive and block vision, on the other hand, when sheath is as spare and accessory parts
When combination with other parts, the volume smaller of entire product can be made, it is more convenient to use.
Or in another embodiment of the present invention, as shown in Figure 10, the multi-lumen tube may include three functional cavities
3, the channel for corresponding with each functional cavity 3 and being penetrated through respectively with each functional cavity 3 is provided in the sheath tube head 1；
The moulding cavity 4 is located at the axis center of the multi-lumen tube 2, and the positioning region 6 is embedded in the sheath tube head 1.
It should be noted that in the embodiment of the present invention 1, the being only for example property of cross-sectional shape of the moulding cavity is said
Bright, the present invention is not limited to moulding cavity cross sectional shape, can be round or other irregular shapes.
In the embodiment of the present invention 1, the sheath of the bent moulding is made of flexible glue plastics or rubber, can be by as follows
Prepared by Shooting Technique, specific preparation method is as follows：
S1：Being prepared using extrusion die has the multi-lumen tube of functional cavity and moulding cavity；
S2：One end that shaped metal silk is mounted in multi-lumen tube in advance, and shaped metal silk is extended to multi-lumen tube is designed as flat
Shape is to obtain positioning region；
S3：The multi-lumen tube for installing shaped metal silk is put into vertical injection mould and is molded by sheath tube head to get the sheath.
Embodiment 2
As shown in figure 11, the present invention also provides a kind of syringe nozzles.The syringe nozzle includes the sheath of the bent moulding
Pipe 2 and the nozzle nut 8 being connect respectively with sheath both ends and nozzle 9.The syringe nozzle can connect with syringe connector
It connects, for spraying liquid.
In the present embodiment, the multi-lumen tube 2 includes the first functional cavity and the second functional cavity, the sheath tube head 1
Including corresponding first passage and second channel, the end face of 1 first passage of sheath tube head is formed less than the end face of second channel
The boss to match is arranged at syringe connector medicine liquid outlet end for concave station so that when sheath is docked with syringe connector, leads to
The mutual cooperation for crossing boss and concave station can be realized between two cavities in sheath tube head in two channels and syringe connector
Accurate docking.
As shown in Figure 6, it is preferable that the end face of the first passage is equipped with the first sealing ring 11, the syringe connection
The medicine liquid outlet end of part is equipped with boss, and the concave station on the sheath tube head 1 is adapted therewith, and the raised head face is equipped with recessed
Slot, when tightening nozzle nut 8 syringe nozzle being made to be connect with the syringe connector, 11 meeting of the first sealing ring
It is compressed in the groove and constitutes closely sealing, ensure that liquid will not be revealed in the end face of first passage.
As shown in Figure 6, it is preferable that 1 periphery wall of sheath tube head is equipped with the second sealing ring 12, second sealing ring 12
It ensure that the leakproofness of the junction of nozzle nut 1 and sheath 2.
In addition, the medicine liquid outlet end of syringe connector is provided with third sealing ring, when syringe connector and syringe
When nozzle connects, the leakproofness of syringe connector and 8 junction of nozzle nut ensure that.The third sealing ring and second close
Seal 12 is located at the upper and lower of syringe connector medicine liquid outlet end face and sheath end surfaces junction, ensures that liquid will not be
Syringe connector is revealed with syringe nozzle junction, passes through concave station, the first sealing ring 11 and the second sealing ring 12 in sheath
Setting and syringe connector boss and third sealing ring setting, the present embodiment can realize in use at any time
Replace syringe nozzle.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that the general technical staff for this field comes
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.
Claims (10)
1. a kind of sheath of bent moulding, which is characterized in that the sheath includes sheath tube head（1）Be connected to the sheath tube head
（1）The multi-lumen tube of one end（2）, the multi-lumen tube（2）Inside it is provided with moulding cavity（4）With at least one functional cavity（3）, institute
State moulding cavity（4）Inside it is provided with shaped metal silk（5）, the shaped metal silk（5）One end extend the multi-lumen tube（2）
End face form flat positioning region（6）, and the positioning region（6）It is embedded at the sheath tube head（1）It is interior, the sheath tube head
（1）It is inside provided with and functional cavity（3）The channel to connect.
2. the sheath of bent moulding according to claim 1, which is characterized in that the positioning region（6）In the moulding
Wire（5）The length L in the section of radial direction1More than the shaped metal silk（5）Diameter, the positioning region（6）Institute
State the width L in the section of shaped metal silk radial direction2Less than the shaped metal silk（5）Diameter.
3. the sheath of bent moulding according to claim 1, which is characterized in that the functionality cavity（3）Including
One functional cavity and the second functional cavity, the sheath tube head（1）It is internally provided with and its inner space is divided into first passage
With the distributary division of second channel（7）；Described first functional cavity and the first passage connect, the described second functional chamber
Road and the second channel connect, the positioning region（6）It is embedded at the distributary division（7）It is interior.
4. the sheath of bent moulding according to claim 3, which is characterized in that the end face of the first passage is less than institute
The end face for stating second channel forms concave station, the distributary division（7）End face and the first passage or second channel end face it is flat
Together.
5. the sheath of bent moulding according to claim 1, which is characterized in that the sheath includes at least two functions
Property cavity（3）, the sheath tube head（1）It is inside provided with and each functional cavity（3）Correspond and respectively with each functional cavity
（3）The channel of perforation；The moulding cavity（4）Positioned at the multi-lumen tube（2）Axis center.
6. the sheath of bent moulding according to claim 5, which is characterized in that each functionality cavity（3）Cross section
For with the multi-lumen tube（2）Cross-section center be the center of circle circular arc, and each functional cavity（3）Radiused cross-section be in
The heart is symmetrical.
7. the sheath of bent moulding according to claim 1, which is characterized in that the sheath tube head and the multi-lumen tube one
It is body formed.
8. the sheath of bent moulding according to claim 1, which is characterized in that the sheath uses flexible glue plastics or rubber
Glue makes.
9. a kind of syringe nozzle, which is characterized in that the syringe nozzle include any sheath of claim 1 ~ 8 and
The nozzle nut being connect respectively with the sheath both ends（8）And nozzle（9）.
10. the sheath of any bent moulding of claim 1 ~ 8 is as connecting component in syringe products or as part
Application in multi-cavity catheter.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810291603.XA CN108339194B (en) | 2018-04-03 | 2018-04-03 | Bendable sheath tube, injector nozzle and application thereof |
| PCT/CN2018/105529 WO2019052510A1 (en) | 2017-09-18 | 2018-09-13 | Connector for double mixing syringe, long nozzle for double mixing syringe and double mixing syringe |
| TW107132857A TWI681791B (en) | 2017-09-18 | 2018-09-18 | Nozzle for double combined syringe and double combined syringe |
| TW108147863A TWI702064B (en) | 2017-09-18 | 2018-09-18 | Long nozzle for dual mixing syringe and dual mixing syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810291603.XA CN108339194B (en) | 2018-04-03 | 2018-04-03 | Bendable sheath tube, injector nozzle and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108339194A true CN108339194A (en) | 2018-07-31 |
| CN108339194B CN108339194B (en) | 2023-12-26 |
Family
ID=62957911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810291603.XA Active CN108339194B (en) | 2017-09-18 | 2018-04-03 | Bendable sheath tube, injector nozzle and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108339194B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| US20090209916A1 (en) * | 2008-01-28 | 2009-08-20 | Baxter International Inc. | Sealant applicator with malleable section |
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| WO2019052510A1 (en) * | 2017-09-18 | 2019-03-21 | 广州迈普再生医学科技股份有限公司 | Connector for double mixing syringe, long nozzle for double mixing syringe and double mixing syringe |
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|---|---|
| CN108339194B (en) | 2023-12-26 |
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Address after: 510663 Guangzhou, Guangdong, Guangzhou hi tech Industrial Development Zone, Science City, 80 E third district. Applicant after: Medprin Regenerative Medical Technologies Co.,Ltd. Address before: 510663 Guangzhou District, Guangdong, new high tech Industrial Development Zone, Science City, 80 E third district. Applicant before: Medprin Regenerative Medical Technologies Co.,Ltd. |
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