CN208448327U - A kind of pre-encapsulated injector - Google Patents
A kind of pre-encapsulated injector Download PDFInfo
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- CN208448327U CN208448327U CN201721532064.1U CN201721532064U CN208448327U CN 208448327 U CN208448327 U CN 208448327U CN 201721532064 U CN201721532064 U CN 201721532064U CN 208448327 U CN208448327 U CN 208448327U
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- luer connector
- encapsulated injector
- syringe body
- injection
- helmet
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Abstract
The utility model discloses a kind of pre-encapsulated injector, the pre-encapsulated injector includes luer connector, syringe body and press component, the luer connector is connected with the syringe body, the press component is arranged in syringe body, the luer connector is used for the sealing of the syringe body and the connection of the syringe body and medical equipment, the press component acts on for realizing the injection of the pre-encapsulated injector, and the syringe body is integrally formed;Syringe body described in the utility model is integrally formed, and machine work efficiency is made to be greatly improved, and structure is more simple and compact, guarantees safety and the practicability of the pre-encapsulated injector.
Description
Technical field
The utility model relates to field of medicaments, and in particular to a kind of pre-encapsulated injector.
Background technique
Solvent (water for injection etc.) first is extracted out with syringe during traditional injector operations, then by syringe needle
Solute bottle (powder-injection or liquid drugs injection) is penetrated, solvent is then released and mix dissolving with solute, finally extract admixing medical solutions out again
Human body could be carried out in syringe to inject or to dosing in infusion bottle.Not only program is complicated for this operating method, Hu Shilao
Momentum is big, and medical fluid will be shifted several times, is easy pollution.Most importantly it is easy to appear the hair for leading to malpractice because of wrong medicine
It is raw, until jeopardizing the life security of patient.
It is potted in syringe after being prepared medicine by pre-encapsulated injector, effectively avoids conventional syringe operation band
The problem come;But making pre-encapsulated injector simultaneously, structure is complicated, solute and the filling trouble of solvent, and mixed drug anesthesia is tired before injecting,
The production cost is very high, is difficult to realize mass production.
In view of the above drawbacks, the utility model creator obtains originally practical new finally by prolonged research and practice
Type.
Utility model content
To solve above-mentioned technological deficiency, the technical solution adopted in the utility model is, provides a kind of pre-encapsulated injector,
The pre-encapsulated injector includes luer connector, syringe body and press component, the luer connector and the injection
The connection of device main body, the press component are arranged in syringe body, and the luer connector is used for the syringe body
Sealing and the syringe body and medical equipment connection, the press component is for realizing the pre-encapsulated injector
Injection effect, the syringe body is integrally formed.
Preferably, the luer connector includes joint body and seal assembly, the joint body and the sealing group
Part is tightly connected, and the joint body is fixedly connected with medical equipment, and the seal assembly guarantees the close of the luer connector
Feng Xing.
Preferably, the seal assembly includes plug body part and broken part, the plug body part by the broken part with it is described
Joint body is tightly connected, described to be tightly connected the sealing effect for realizing the luer connector.
Preferably, the syringe body includes interconnecting piece, the interconnecting piece is arranged inside the syringe body, institute
Stating luer connector includes rotating part, and the interconnecting piece is correspondingly arranged with the rotating part.
Preferably, the syringe body includes injection-tube and sheath, the injection-tube is connect with the luer connector,
The luer connector is for playing sealing and connection function to the injection-tube;The sheath is connect with the injection-tube, institute
Sheath is stated for protecting the press component.
Preferably, the syringe body further includes helmet, the helmet is connect with the injection-tube, and the helmet is used for
It protects the luer connector and realizes the unlatching of the luer connector.
Preferably, the helmet includes protection portion, the protection portion is connect with the luer connector, and the protection portion is set
It is set to hollow structure, the protection portion is for protecting the luer connector.
Preferably, the helmet further includes wrench portion, the wrench portion is fixedly connected with the protection portion, the wrench portion
For realizing the rotation of the helmet.
Preferably, the press component includes push rod, piston, the push rod is detachably connected with the piston.
Preferably, the push rod includes push plate, tread plate is arranged in the push plate, and the tread plate increases rubbing for the push plate
Wipe power.
Compared with the prior art the utility model has the beneficial effects that: 1, by the seal assembly, the Shandong is realized
The sealing effect of your connector improves the safety of the medical equipment using the luer connector;2, it is protected by the helmet
The luer connector is protected, the sheath protects the press component, avoids the accidental damage of the pre-encapsulated injector;3, lead to
It crosses the encapsulation all-in-one machine of blowing and realizes that the syringe body is integrally formed, machine work efficiency is made to be greatly improved,
Structure is more simple and compact, guarantees safety and the practicability of the pre-encapsulated injector.
Detailed description of the invention
Fig. 1 is the topology view of the utility model pre-encapsulated injector;
Fig. 2 is the connection structure view of the utility model pre-encapsulated injector;
Fig. 3 is the topology view (main view) of luer connector described in the utility model pre-encapsulated injector;
Fig. 4 is the topology view (section view) of luer connector described in the utility model pre-encapsulated injector;
Fig. 5 is the topology view of helmet described in the utility model pre-encapsulated injector;
Fig. 6 is the partial view of the utility model pre-encapsulated injector production method S2;
Fig. 7 is the partial view of the utility model pre-encapsulated injector production method S3;
Fig. 8 is the partial view of the utility model pre-encapsulated injector production method S4.
Digital representation in figure:
1- luer connector;2- syringe body;3- press component;11- joint body;12- seal assembly;21- helmet;
22- injection-tube;23- sheath;24- handheld component;31- push rod;32- piston;41- extruded pipe;42- filling head;43- first is formed
Module;The second forming module of 44-;45- fixes device;111- first connecting portion;112- second connecting portion;113- needle mouth;
114- inner cavity;115- power-assisted portion;121- plug body part;The broken part 122-;123- rotating part;211- protection portion;212- wrench portion;
311- push plate.
Specific embodiment
Below in conjunction with attached drawing, the above and other technical features and advantages of the present invention are described in more detail.
Embodiment one
As shown in Figure 1, the utility model pre-encapsulated injector includes luer connector 1, syringe body 2 and press component
3, the luer connector 1 and the syringe body 2 connect, and the press component 3 is arranged in the syringe body 2.
The luer connector 1 includes joint body 11 and seal assembly 12, and the joint body 11 and the seal assembly 12 seal
Connection;The syringe body 2 includes helmet 21, injection-tube 22 and sheath 23, and the helmet 21 and the sheath 23 are set respectively
It sets at the both ends of the injection-tube 22, the syringe body is integrally formed;The press component 3 includes push rod 31, piston
32, the push rod 31 is detachably connected with the piston 32.
The joint body 11 includes first connecting portion 111, second connecting portion 112, needle mouth 113 and inner cavity 114, institute
It states first connecting portion 111 and the second connecting portion 112 is separately positioned on the both ends of the luer connector 1, described first connects
Socket part 111 is used for and the injection-tube 3 connection, and groove is arranged in the first connecting portion 111, and the injection-tube 3 is equipped with and institute
The annular protrusion for stating matching grooves realizes the injection-tube 3 and institute by the mating connection of the annular protrusion and the groove
State the sealed connection of luer connector;The second connecting portion 112 be hollow tubular structure, the second connecting portion 112 it is interior
Internal screw thread is arranged in surface, and external screw thread is arranged in tapping device, and the tapping device includes injection needle, injection catheter etc.
Reasonable equipment, the joint body 11 are threadedly coupled with the tapping device by the internal screw thread and the external screw thread,
Realize the close connection effect of the liquid of the threaded connection place.The second connecting portion 112 includes hollow part, and the needle mouth 113 is set
It sets in the hollow part, and 114 one end of the inner cavity is arranged on the needle mouth 113,114 cross section of inner cavity
Shape is preferably arranged to circle, and the inner cavity 114 runs through the joint body 11.
After the pre-encapsulated injector is connect with the tapping device, liquid passes through described in the injection-tube 3
The inner cavity 114 in joint body 11 flow to the tapping device, and is exported by the tapping device, complete
At liquid guide flow process.
The seal assembly 12 includes plug body part 121, broken part 122 and rotating part 123, and the plug body part 121 is preferably set
It is set to cylindrical body, the broken part 122 is arranged on the 121 external arc surface of plug body part, and the broken part 122 is preferably arranged to
Annular, the plug body part 121 are connect by the broken part 122 with the joint body 11;The rotating part 123 is arranged in institute
One end of the seal assembly 12 is stated, the rotating part 123 is preferably arranged to square or cuboid.When having force body to described
When rotating part 123 applies active force, the plug body part 121 is rotated around the axis of the plug body part 121, is convenient for the sealing
The disengaging of component 12 and the joint body 11.The shape setting of the rotating part 123 increases force body and the plug body part 121
Between contact area, while increasing the active force between force body and the plug body part 121, guarantee the active force to described
Plug body part 121 applies stronger torsional moment, saves the disengaging process of the seal assembly 12 and the joint body 11 more
Power.
It is straight in the port of 113 position of needle mouth that 121 cross-sectional diameter of plug body part is slightly less than the inner cavity 114
Diameter increases the seal assembly 12 to the needle mouth 113 convenient for protruding into the plug body part 121 in the inner cavity 113
Sealing effect.The plug body part 121 is connect for 113 by the broken part 122 with the needle mouth, realizes the plug body part 121
Sealing function to the inner cavity 114 in the 113 position port of needle mouth.
Thinner wall section is arranged in the helmet 21 and 1 junction of the luer connector, and the helmet 21 is connected with described Rule
Device 1 is connected by the thinner wall section, and the thinner wall section is preferentially set as seal line.The thinner wall section is for connecting the helmet 21
Structure setting reduction with the luer connector 1, while the thinner wall section divides the helmet 21 and the luer connector 1
From opening force, convenient for doctor patient use.
The luer connector 1 further includes power-assisted portion 115, and the power-assisted portion 115 is arranged at the thinner wall section position, institute
It states power-assisted portion 115 and is preferably arranged to the raised nubs with corner angle, when the helmet 21 and the luer connector 1 occur relatively
When rotation, the power-assisted portion 115 causes the thinner wall section that irregular deformation occurs, and causes the fracture of the thinner wall section, thus real
The separation of the existing helmet 21 and the luer connector 1.
The helmet 21 includes protection portion 211, and the protection portion 211 is set as hollow structure, and the protection portion 211 is by institute
It states joint body 11 and the seal assembly 12 is fully wrapped around, sealing is played to the joint body 11 and the seal assembly 12
Protective effect, effectively avoid the joint body 11 and the seal assembly 12 due to external influence caused by accidental damage, with
And because of the joint body 11 and the seal assembly caused by 12 unbalance stress of the joint body 11 and the seal assembly
Relative motion between 12;Link block is set in the protection portion 211, the link block is correspondingly arranged with the rotating part 123,
The protection portion 211 is connect by the link block with the seal assembly 12;When curing patient's rotation protection portion 211, institute
It states interconnecting piece and the rotating part 123 generates interaction force, the seal assembly 12 and the joint body 11 is caused to occur
Relative motion, the broken part 122 are broken, and realize the separation between the seal assembly 12 and the joint body 11.
The helmet 21 further includes wrench portion 212, and the wrench portion 212 is fixedly connected with the protection portion 211, the wrench portion 212
It is uniformly arranged on the outer surface of the protection portion 211, the wrench portion 212 increases the integral strength of the protection portion 211, together
Shi Zengjia cures patient in the force area for rotating the helmet 21, the opening force for rotating the helmet 21 is reduced, convenient for doctor patient
It uses.
The push rod 31 includes proximal end, distal end and putter body, and the proximal end and the distal end are separately positioned on described push away
The both ends of bar body, the push rod proximal end are detachably connected with the piston 32, the push rod distal end setting push plate 311, described
Push plate 311 is preferably provided with tread plate, and the tread plate increases the frictional force of the push plate 311, convenient for being used convenient for doctor patient, institute
State putter body cross section be preferably arranged to it is cross.The piston 32 is arranged inside the injection-tube 22, the piston
32 include movable end and connecting pin, and the piston 32 is detachably connected by the connecting pin with the push rod 31, the connection
End be preferably arranged to it is cylindric, the movable end be preferably arranged to it is coniform, the connecting pin outer diameter be equal to the injection-tube 22
Interior diameter, at least further include a sealing ring on the piston 32, guarantee the piston 32 and 22 inner surface of injection-tube
It is tightly connected, is pre-charged with injection in the injection-tube 22.
Described 22 one end of injection-tube is connect with the luer connector 1, and the other end is equipped with handheld component 24, the hand-held part
Part 24 is equipped with through-hole, and the diameter of the through-hole is less than the diameter of the push rod proximal end, which can prevent the push rod 31
The injection-tube 22 is exited with the piston 32.The handheld component 24 is an integral molding structure with the sheath 23, the shield
At least one junction between set 23 and the handheld component 24, the sheath 23 is turn-break type structure, by rotating the shield
Set 23, can be such that the sheath 23 permanently disconnects with the injection-tube 22.
It cures patient to pass through by rotating the sheath 23, the sheath 23 and the injection-tube 22 permanently company of disconnection can be made
It connects, the helmet 21 is rotated by the wrench portion 22, cause the helmet 21 that opposite transport occurs with the luer connector 1
Dynamic, the thinner wall section and the broken part 122 are broken, and the helmet 21, the seal assembly 12 and the joint body 11 are de-
From, and be attached the port of the pre-encapsulated injector and medical equipment by the second connecting portion 112, complete injection
Preceding preparation;By pressing the push plate 311, the injection work of the pre-encapsulated injector is realized.
By the way that the seal assembly 12 is arranged in the luer connector 1, guarantee that drug exists in the pre-encapsulated injector
It is constantly in sealing state before being not used, realizes and the sealed, sterile of drug is protected, improve what the pre-encapsulated injector used
Safety.
Embodiment two
Present embodiment also provides a kind of production method of pre-encapsulated injector, and the production method includes blowing encapsulating
All-in-one machine, the encapsulation all-in-one machine of blowing includes degerming room, sub-material room, molding room, the degerming room, the sub-material room, it is described at
Type room send device to be attached by grabbing, and described grab send device to be preferably arranged to manipulator.The degerming room is used for raw material
Carry out disinfection degerming, and the sub-material room is used to that raw material to be carried out to classification pendulum together, and the molding room is complete for carrying out processing and forming
At product.The molding room includes extrusion moulding apparatus, filling apparatus, molding machine, apparatus for placing, and the extrusion moulding apparatus includes material
Bucket, helix transporting device, extruded pipe 41, the helix transporting device both ends are connect with the hopper, the extruded pipe 41 respectively;
The filling apparatus includes filling tube, filling head 42, medical fluid memory, and the filling tube connects the filling head 42 and the medicine
Handgrip is arranged in liquid memory, the filling head 42, grabs the luer connector 1 by the handgrip;The molding machine packet
Include the first forming module 43, the second forming module 44, fixed device 45, device for excising, first forming module 43, described the
Two forming modules 44 carry out forming operation to the pre-encapsulated injector.
The production method further includes following steps:
S1;By the luer connector, the press component be put into it is described blow encapsulating one in vivo, it is described that blow encapsulating integrally right
The luer connector, the press component carry out sterilization arrangement;
S2;Pp material is poured into and described blow encapsulating one and forms parison in vivo;
S3;The encapsulating one of blowing processes the parison, and the lower section molding of encapsulating one is blown described in completion;
S4;The encapsulating one of blowing processes the parison, the upper section molding of encapsulating one is blown described in completion, and right
The pre-encapsulated injector after extrusion forming is cooling, completes the manufacturing process of the pre-encapsulated injector;
Step S1 is specifically, make the luer connector, the push rod and the piston by injection molding machine, by the Shandong
You are put into the degerming room and are sterilized connector, the push rod and the piston, and described grab send device to connect described Rule
It is neat to connect device, the push rod and the piston arrangement, and send device to complete between the push rod and the piston by described grab
Installation connection.
Step S2 is specifically, pp material is sent in the hopper, and helix transporting device described in motor driven is to institute
It states pp material to be heated, squeezed, warm temperature is 170 degree or so, and the pp material forms fluid, then defeated
It send to the extruded pipe;The extruded pipe receives the fluid pp material after the heating, is formed in the tube tubular parison, institute
It states extrusion molding head and quantitatively squeezes the parison down, obtain the parison of appropriate length, and by logical inside the parison
Enter a certain amount of filtrated air, the parison inner space is made to become larger;
Step S3 is first forming module, described specifically, the molding machine to be moved to the lower end of the parison
Second forming module, the fixed device clamp fixed parison at the top of the type embryo in opened condition, by the fixed device
Position cuts off the parison by the device for excising, then the device for excising and extruded pipe playback;It is described to squeeze
After moulding pipe playback, the filling head for grabbing the luer connector is moved to the certain position of intersegmental part under the parison,
It is closed by first forming module, completes the shaping work of the parison the lower section, and the luer connector is consolidated
It is scheduled in the tubular parison, the parison the lower section is shaped to the injection-tube and the helmet.
After step S4 is specifically, the luer connector is placed in the parison by the filling head, the filling head
Quantitative liquid medicine is poured into the parison, after the completion the filling head playback;The push rod is put into institute by the apparatus for placing
The certain position for stating intersegmental part on parison is closed by second forming module, completes the tubular parison upper portion
Shaping work, and the push rod is fixed in the tubular parison, the tubular parison upper portion is shaped to described hand-held
Component and the sheath;The pre-encapsulated injector after extrusion forming is cooled down, open first forming module and
Second forming module, completes the manufacturing process of the pre-encapsulated injector.
The production method is by crowded embryo and blows encapsulating function and is integrated, and eliminates existing infusion bottle production line for extruding machine
The tubular parison of extrusion first puts mold into, then mold (carrying pipe) is moved to blow-fill-seal work station and blows this workflow of filling
Journey, directly in the same device by the extrusion moulding apparatus, the filling apparatus, molding machine placement, plastic liquid is pressed
After tubular parison is made, the filling head can be reduced at once by, which being placed in the molding machine, is formed, is filling, is greatly reduced
The parison exposure aerial time, reduce the contaminated probability of medical fluid;Pass through double-station molding die (the first shaping mould
Block, the second forming module) molding stage by stage to the parison, realize the sheath 23, the injection-tube 22 and the helmet 2
Molding and the luer connector 1, the push rod and the injection-tube 22 fixed installation, obtain machine work efficiency
It increases substantially, structure is more simple and compact, while enhancing the luer connector 1 and the injection-tube 22, the shield
The connection effect of cap 2 guarantees sealed connection and the luer connector 1 of the luer connector 1 with the injection-tube 22
It is cooperatively connected with the helmet 2, realizes safety and the practicability of the pre-encapsulated injector.
The above is only the preferred embodiment of the present invention, is merely illustrative for the utility model, and
It is unrestricted.Those skilled in the art understand that can be to it in the spirit and scope defined by the utility model claims
Many changes, modifications, and even equivalents are carried out, but all will fall within the protection scope of the utility model.
Claims (10)
1. a kind of pre-encapsulated injector, which is characterized in that including luer connector, syringe body and press component, the Shandong
You connect connector with the syringe body, and the press component is arranged in syringe body, and the luer connector is used
In the connection of sealing and the syringe body and medical equipment to the syringe body, the press component is for real
The injection effect of the existing pre-encapsulated injector, the syringe body are integrally formed.
2. pre-encapsulated injector as described in claim 1, which is characterized in that the luer connector includes joint body and close
Sealing assembly, the joint body and the seal assembly are tightly connected, and the joint body is fixedly connected with medical equipment, described
Seal assembly guarantees the leakproofness of the luer connector.
3. pre-encapsulated injector as claimed in claim 2, which is characterized in that the seal assembly includes plug body part and twists off
Portion, the plug body part are tightly connected by the broken part and the joint body, and the sealed connection realizes that described Rule connects
Connect the sealing effect of device.
4. pre-encapsulated injector as described in claim 1, which is characterized in that the syringe body includes interconnecting piece, described
Interconnecting piece is arranged inside the syringe body, and the luer connector includes rotating part, the interconnecting piece and the rotation
Portion is correspondingly arranged.
5. pre-encapsulated injector as described in claim 1, which is characterized in that the syringe body includes injection-tube and shield
Set, the injection-tube are connect with the luer connector, and the luer connector is for playing sealing and company to the injection-tube
Connect effect;The sheath is connect with the injection-tube, and the sheath is for protecting the press component.
6. pre-encapsulated injector as claimed in claim 5, which is characterized in that the syringe body further includes helmet, described
Helmet is connect with the injection-tube, and the helmet is for protecting the luer connector and realizing opening for the luer connector
It opens.
7. pre-encapsulated injector as claimed in claim 6, which is characterized in that the helmet includes protection portion, the protection portion
It is connect with the luer connector, the protection portion is set as hollow structure, and the protection portion is for protecting described Rule to connect
Device.
8. pre-encapsulated injector as claimed in claim 7, which is characterized in that the helmet further includes wrench portion, the spanner
Portion is fixedly connected with the protection portion, the wrench portion for realizing the helmet rotation.
9. pre-encapsulated injector as described in claim 1, which is characterized in that the press component includes push rod, piston, described
Push rod is detachably connected with the piston.
10. pre-encapsulated injector as claimed in claim 9, which is characterized in that the push rod includes push plate, the push plate setting
Tread plate, the tread plate increase the frictional force of the push plate.
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CN201721532064.1U CN208448327U (en) | 2017-11-16 | 2017-11-16 | A kind of pre-encapsulated injector |
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CN201721532064.1U CN208448327U (en) | 2017-11-16 | 2017-11-16 | A kind of pre-encapsulated injector |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107693903A (en) * | 2017-11-16 | 2018-02-16 | 中国大冢制药有限公司 | A kind of pre-encapsulated injector and its manufacture method |
CN114392427A (en) * | 2022-01-21 | 2022-04-26 | 浙江仅一医疗科技有限公司 | Injector with medicine and manufacturing method thereof |
-
2017
- 2017-11-16 CN CN201721532064.1U patent/CN208448327U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107693903A (en) * | 2017-11-16 | 2018-02-16 | 中国大冢制药有限公司 | A kind of pre-encapsulated injector and its manufacture method |
CN114392427A (en) * | 2022-01-21 | 2022-04-26 | 浙江仅一医疗科技有限公司 | Injector with medicine and manufacturing method thereof |
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