CN109172937A - A kind of oncology built-in type chemicotherapy pump - Google Patents

A kind of oncology built-in type chemicotherapy pump Download PDF

Info

Publication number
CN109172937A
CN109172937A CN201811104383.1A CN201811104383A CN109172937A CN 109172937 A CN109172937 A CN 109172937A CN 201811104383 A CN201811104383 A CN 201811104383A CN 109172937 A CN109172937 A CN 109172937A
Authority
CN
China
Prior art keywords
elastic force
medicine storing
storing bag
conduit
built
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.)
Pending
Application number
CN201811104383.1A
Other languages
Chinese (zh)
Inventor
王筱芳
桑爱萍
崔美玲
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.)
Individual
Original Assignee
Individual
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201811104383.1A priority Critical patent/CN109172937A/en
Publication of CN109172937A publication Critical patent/CN109172937A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142Pressure infusion, e.g. using pumps
    • A61M5/145Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M5/148Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags
    • A61M5/152Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags pressurised by contraction of elastic reservoirs

Landscapes

  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The present invention relates to a kind of oncology built-in type chemicotherapies to pump, including transfusion port, conduit, elastic force medicine storing bag, the transfusion port is equipped with connector, check valve is equipped in connector, check valve is the prior art, in this application, it repeats no more, connector is connected by locking device with the conduit to match, the transfusion port is connected by check valve with conduit, the conduit includes through duct, two kinds of drug storage conduit, wherein the end of through duct is equipped with the first one-way valve, the end of drug storage conduit is connected with elastic force medicine storing bag, elastic force medicine storing bag is equipped with delivery tube, delivery tube is equipped with the second one-way valve.The present invention is put into the cavity of affected part by embedment implanted chemotherapy pump, elastic force medicine storing bag, and chemotherapeutics is injected in elastic force medicine storing bag, elastic force medicine storing bag is discharged according to flow velocity in vivo, the concentration of chemotherapeutics is kept, the time for retaining high concentration medicine in tumor focus is long, reaches the drug effect of chemotherapy.

Description

A kind of oncology built-in type chemicotherapy pump
Technical field
The present invention relates to tumor chemoradiotherapy technical fields, and in particular to a kind of oncology built-in type chemicotherapy pump.
Background technique
Radiation and chemotherapy plays fragmentation effect in Sensitive Tumor Cells, depends primarily on drug concentration and effective contact Time, therefore try to make drug in tumor focus part high concentration, for a long time presence as much as possible, it is to improve local treatment effect The key of fruit.The subcutaneously duplicate progress chemotherapeutics perfusion of embedded chemotherapy pump, can greatly improve local drug concentration, To further increase the curative effect of Partial tumors.
Now traditional implanted chemotherapy pump, when injecting drug, since pump housing merging can not subcutaneously see puncture diaphragm Position, the region of micro-judgment injection needle point insertion can only be leaned on, the pump housing made of titanium alloy can in injection needle insertion Hear metal bump sound, but the pump housing of thermoplastic, it when puncture needle bottoms out, will not make a sound, so being not easy to judge The depth of injection needle.
Chemotherapeutics is injected chemotherapy pump using infusion pump, sacculus duration chemotherapy pump by the implanted chemotherapy pump after burying It is interior, tumor focus is imported via conduit, implanted chemotherapy pump does not store the effect of chemotherapeutics, for bladder cancer, uterine cancer In equal cavitys for mucous membrane cancer, due to the effect by inner membrance juice, the concentration of chemotherapeutics can be reduced, or even with secretion Liquid stream goes out, and reduces the concentration of its chemotherapeutics, and the time that high concentration medicine retains in tumor focus is short, does not have drug effect, And the time that drug is contacted with endocardial wall is short, and the drug effect of chemotherapy is not achieved.
Summary of the invention
To overcome the deficiency, the purpose of the present invention is to provide a kind of oncology built-in type chemicotherapies to pump.
The technical solution adopted by the present invention to solve the technical problems is: a kind of oncology built-in type chemicotherapy pump, packet Transfusion port, conduit, elastic force medicine storing bag are included, the transfusion port is equipped with connector, is equipped with check valve in connector, check valve is existing There is technology, in this application, repeat no more, connector is connected by locking device with the conduit to match, the transfusion port It is connected by check valve with conduit, the conduit includes two kinds of through duct, drug storage conduit, and wherein the end of through duct is set There is the first one-way valve, the end of drug storage conduit is connected with elastic force medicine storing bag, and elastic force medicine storing bag is equipped with delivery tube, delivery tube It is equipped with the second one-way valve.
Specifically, the transfusion port includes pedestal, lid, punctures diaphragm, the upper opening for puncturing diaphragm and being located at pedestal Place punctures diaphragm and is equipped with lid, and lid is fixed on the base diaphragm is punctured, and connector is located at the side of pedestal, single It is located in connector to valve, the puncture diaphragm, pedestal form a pump chamber between check valve, set in pedestal close to bottom There is puncture test film.
Specifically, the elastic force medicine storing bag is equipped with the first hard connecting tube, the second hard connecting tube, the connection of the first hard Pipe is connected by locking device with one end that hose is administered, and the other end that hose is administered is fixed with plugging cap, the connection of the second hard Pipe is connected by locking device with the end of drug storage conduit.
Specifically, grid-shaped metal mesh bag is equipped on the outside of the elastic force medicine storing bag, volume is greater than bullet after the expansion of metal mesh bag The maximum drug storage amount volume of power medicine storing bag, the both ends of metal mesh bag are separately fixed at the first hard connecting tube and connect with the second hard Guan Shang.
Specifically, the grid-shaped metal mesh bag is netted using diamond-mesh or spherical netted or single rotation.
Specifically, the not used elastic force medicine storing bag is externally provided with encapsulated layer, and elastic force medicine storing bag is encapsulated in vacuum state In encapsulated layer, the elastic force medicine storing bag with metal mesh bag, metal mesh bag compresses post package with elastic force medicine storing bag 6 in encapsulated layer together It is interior, encapsulated layer using birdsing of the same feather flock together esters biodegradated polymer materal, it is described as collagen, 6-caprolactone (PCL), polylactic acid (PLA), In polyglycolide (PGA), poly (lactide-co-glycolide) (PLGA), polyacrylamide and Polyhydroxybutyrate (PHB) It is one or more.
The invention has the following advantages: chemotherapeutics is injected elastic force medicine storing bag by embedment implanted chemotherapy pump Interior, elastic force medicine storing bag is discharged according to flow velocity in vivo, is kept the concentration of chemotherapeutics, is protected high concentration medicine in tumor focus The time stayed is long, effectively contacts with mucous membrane inner wall, and useful effect reaches the drug effect of chemotherapy on the mucous membrane for suffering from tumour.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention one.
Fig. 2 is the structural schematic diagram of the transfusion port of the embodiment of the present invention one.
Fig. 3 is the structural schematic diagram of the embodiment of the present invention two.
Fig. 4 is the elastic force medicine storing bag structural schematic diagram of the embodiment of the present invention three.
Fig. 5 is the elastic force medicine storing bag structural schematic diagram with encapsulated layer when the present invention is not used.
1 transfusion port in figure, 11 pedestals, 12 lids, 13 puncture diaphragm, and 14 pump chambers, 15 puncture test film, 2 check valves, 3 locks Tight device, 41 through ducts, 42 drug storage conduits, 5 first one-way valves, 6 elastic force medicine storing bags, 61 first hard connecting tubes, 62 give Medicine hose, 63 second one-way valves, 64 second hard connecting tubes, 7 metal mesh bags, 8 encapsulated layers.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.
Embodiment one
A kind of oncology built-in type chemicotherapy pump according to shown in Fig. 1,2, including transfusion port 1, conduit, the transfusion port 1 is equipped with connector 2, is equipped with check valve in connector 2, and check valve is the prior art, in this application, is repeated no more, and is connected First 2 are connected by locking device 3 with the conduit to match, and the transfusion port 1 is connected by check valve with conduit, described to lead Pipe is set as through duct 41, and the end of through duct 41 is equipped with the first one-way valve 5.
Specifically, the transfusion port 1 includes pedestal 11, lid 12, punctures diaphragm 13, and the puncture diaphragm 13 is located at pedestal At 11 upper opening, punctures diaphragm 13 and be equipped with lid 12, lid 12 will puncture diaphragm 13 and fix on the pedestal 11, connector 2 It is located at the side of pedestal 11, check valve is located in connector 2, and the puncture diaphragm 13, pedestal 11 are formed between check valve One pump chamber is equipped in pedestal 11 close to bottom and punctures test film 15, after puncture needle, which passes through, punctures diaphragm 13, then is pierced into and wears It pierces in test film 15, in this way in puncture process, is passed through when puncturing diaphragm 13 for the first time and have resistance sense, after puncture, had and fall Sky sense, wait through puncture test film 15 when, can have resistance sense again, at this moment, can the slightly withdraw of the needle, after exiting, have the sense that falls through, The end of puncture needle is just puncturing diaphragm 13 and is puncturing in the space between test film 15 in this way, guarantees the syringe needle position of puncture needle The leakproofness and safety that influence pedestal are repeatedly punctured in also can be avoided in pump chamber.
Embodiment two
A kind of oncology according to Fig.3, is pumped with built-in type chemicotherapy, including transfusion port 1, conduit, elastic force medicine storing bag 6, The transfusion port 1 is equipped with connector 2, is equipped with check valve in connector 2, check valve is the prior art, in this application, no longer It repeats, connector 2 is connected by locking device 3 with the conduit to match, and the transfusion port 1 is connected by check valve with conduit Logical, the conduit is set as drug storage conduit, and the end of drug storage conduit 42 is connected with elastic force medicine storing bag 6, and elastic force medicine storing bag 6 is equipped with Delivery tube 62, delivery tube 62 are equipped with the second one-way valve 63, elastic force medicine storing bag material and the at present material one of production elasticity pump Sample selects elastic membrane to be made.
Specifically, the transfusion port 1 includes pedestal 11, lid 12, punctures diaphragm 13, and the puncture diaphragm 13 is located at pedestal At 11 upper opening, punctures diaphragm 13 and be equipped with lid 12, lid 12 will puncture diaphragm 13 and fix on the pedestal 11, connector 2 It is located at the side of pedestal 11, check valve is located in connector 2, and the puncture diaphragm 13, pedestal 11 are formed between check valve One pump chamber is equipped in pedestal 11 close to bottom and punctures test film 15, after puncture needle, which passes through, punctures diaphragm 13, then is pierced into and wears It pierces in test film 15, in this way in puncture process, is passed through when puncturing diaphragm 13 for the first time and have resistance sense, after puncture, had and fall Sky sense, wait through puncture test film 15 when, can have resistance sense again, at this moment, can the slightly withdraw of the needle, after exiting, have the sense that falls through, The end of puncture needle is just puncturing diaphragm 13 and is puncturing in the space between test film 15 in this way, guarantees the syringe needle position of puncture needle The leakproofness and safety that influence pedestal are repeatedly punctured in also can be avoided in pump chamber.
Specifically, the elastic force medicine storing bag 6 is equipped with the first hard connecting tube 61, the second hard connecting tube 64, and first is hard Matter connecting tube 61 is connected by locking device with one end that hose 62 is administered, and the other end of administration hose 62 is fixed with plugging cap, Second hard connecting tube 64 is connected by locking device with the end of drug storage conduit 42.
Embodiment three
A kind of oncology built-in type chemicotherapy pump according to shown in Fig. 4,5, including transfusion port 1, conduit, elastic force medicine storing bag 6, the transfusion port 1 is equipped with connector 2, is equipped with check valve in connector 2, check valve is the prior art, in this application, no It repeats again, connector 2 is connected by locking device 3 with the conduit to match, and the transfusion port 1 passes through check valve and conduit phase Connection, the conduit are set as drug storage conduit 42, and the end of drug storage conduit 42 is connected with elastic force medicine storing bag 6, on elastic force medicine storing bag 6 Equipped with delivery tube 62, delivery tube 62 is equipped with the second one-way valve 63.
Specifically, the elastic force medicine storing bag 6 is equipped with the first hard connecting tube 61, the second hard connecting tube 64, and first is hard Matter connecting tube 61 is connected by locking device with one end that hose 62 is administered, and the other end of administration hose 62 is fixed with plugging cap, Second hard connecting tube 64 is connected by locking device with the end of drug storage conduit 42.
Specifically, grid-shaped metal mesh bag 7 is equipped on the outside of the elastic force medicine storing bag 6, volume is greater than after metal mesh bag 7 is unfolded The maximum drug storage amount volume of elastic force medicine storing bag 6, it is hard that the both ends of metal mesh bag 7 are separately fixed at the first hard connecting tube 61 and second In matter connecting tube 64, metal mesh bag 7 can bounce under the action of own resilient, and the work of support protection is played for elastic force medicine storing bag 6 With can support a space for elastic force medicine storing bag 6, prevent elastic force medicine storing bag 6 from thoroughly blocking lumen in lumen.
Specifically, the grid-shaped metal mesh bag 7 is netted using diamond-mesh or spherical netted or single rotation.
Specifically, the not used elastic force medicine storing bag 6 is externally provided with encapsulated layer 8, and elastic force medicine storing bag 6 is encapsulated with vacuum state In encapsulated layer 8, the elastic force medicine storing bag 6 with metal mesh bag 7, metal mesh bag 7 compresses post package with elastic force medicine storing bag 6 together and exists In encapsulated layer 8, encapsulated layer 8 is described such as collagen, 6-caprolactone (PCL), poly- cream using esters biodegradated polymer materal of birdsing of the same feather flock together Sour (PLA), polyglycolide (PGA), poly (lactide-co-glycolide) (PLGA), polyacrylamide and Polyhydroxybutyrate (PHB) etc., it thus is avoided that damage elastic force medicine storing bag during merging, guarantees that elastic force medicine storing bag is in germ-free condition, wait perform the operation After the completion, in vivo under liquid effects, encapsulated layer 8 is hydrolyzed, these substances are the biomaterial of approved drug delivery device, Degraded macromolecular when in use, can be hydrolyzed constantly, be broken into monomeric small molecule, make the elastic force medicine storing bag 6 of package in service portion Position release, then again by 1 injection of medicine of transfusion port, drug enters in reservoir 6 through liquid storage conduit 42,6 self-constriction of reservoir Under effect, liquid is discharged through delivery tube.
The present invention is not limited to the embodiment, anyone should learn that the structure made under the inspiration of the present invention becomes Change, the technical schemes that are same or similar to the present invention are fallen within the scope of protection of the present invention.
Technology not described in detail in the present invention, shape, construction portion are well-known technique.

Claims (8)

1. a kind of oncology is pumped with built-in type chemicotherapy, including transfusion port, conduit, elastic force medicine storing bag, the transfusion port are equipped with Connector, connector is interior to be equipped with check valve, it is characterised in that: the connector is connected by locking device with the conduit to match It connects, the transfusion port is connected by check valve with conduit, and the conduit includes two kinds of through duct, drug storage conduit, wherein directly The end of admittance pipe is equipped with the first one-way valve, and the end of drug storage conduit is connected with elastic force medicine storing bag, sets on elastic force medicine storing bag There is delivery tube, delivery tube is equipped with the second one-way valve.
2. a kind of oncology according to claim 1 is pumped with built-in type chemicotherapy, it is characterised in that: the transfusion port includes Pedestal, punctures diaphragm at lid, and the puncture diaphragm is located at the upper opening of pedestal, punctures diaphragm and is equipped with lid, lid will be worn Thorn diaphragm is fixed on the base, and connector is located at the side of pedestal, and check valve is located in connector, the puncture diaphragm, A pump chamber is formd between pedestal, check valve, is equipped in pedestal close to bottom and is punctured test film.
3. a kind of oncology according to claim 1 is pumped with built-in type chemicotherapy, it is characterised in that: the elastic force medicine storing bag It is equipped with the first hard connecting tube, the second hard connecting tube, the first hard connecting tube passes through locking device and the one of administration hose End is connected, and the other end that hose is administered is fixed with plugging cap, and the second hard connecting tube passes through the end of locking device and drug storage conduit Portion is connected.
4. a kind of oncology according to claim 1 or 3 is pumped with built-in type chemicotherapy, it is characterised in that: the elastic force storage Grid-shaped metal mesh bag is equipped on the outside of anther sac, volume is greater than the maximum drug storage amount volume of elastic force medicine storing bag after the expansion of metal mesh bag, The both ends of metal mesh bag are separately fixed in the first hard connecting tube and the second hard connecting tube.
5. a kind of oncology according to claim 4 is pumped with built-in type chemicotherapy, it is characterised in that: the grid-shaped metal Mesh bag is netted using diamond-mesh or spherical netted or single rotation.
6. a kind of oncology according to claim 4 is pumped with built-in type chemicotherapy, it is characterised in that: the not used bullet Power medicine storing bag is externally provided with encapsulated layer, and elastic force medicine storing bag is encapsulated in encapsulated layer with vacuum state.
7. a kind of oncology according to claim 4 is pumped with built-in type chemicotherapy, it is characterised in that: outside is equipped with metal mesh The elastic force medicine storing bag of bag, metal mesh bag compress post package in encapsulated layer together with elastic force medicine storing bag.
8. a kind of oncology according to claim 6 or 7 is pumped with built-in type chemicotherapy, it is characterised in that: the encapsulated layer It is described such as collagen, 6-caprolactone (PCL), polylactic acid (PLA), polyglycolide using esters biodegradated polymer materal of birdsing of the same feather flock together (PGA), one of poly (lactide-co-glycolide) (PLGA), polyacrylamide and Polyhydroxybutyrate (PHB) or more Kind.
CN201811104383.1A 2018-09-21 2018-09-21 A kind of oncology built-in type chemicotherapy pump Pending CN109172937A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811104383.1A CN109172937A (en) 2018-09-21 2018-09-21 A kind of oncology built-in type chemicotherapy pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811104383.1A CN109172937A (en) 2018-09-21 2018-09-21 A kind of oncology built-in type chemicotherapy pump

Publications (1)

Publication Number Publication Date
CN109172937A true CN109172937A (en) 2019-01-11

Family

ID=64909062

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811104383.1A Pending CN109172937A (en) 2018-09-21 2018-09-21 A kind of oncology built-in type chemicotherapy pump

Country Status (1)

Country Link
CN (1) CN109172937A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113456928A (en) * 2021-07-08 2021-10-01 广州友沃医疗设备有限公司 Push type high-pressure syringe
CN115089807A (en) * 2022-06-22 2022-09-23 上海力声特医学科技有限公司 Implantable drug delivery system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101502695A (en) * 2009-01-15 2009-08-12 徐泱 Embedded type chargeable sustained-release administration pump
CN201710803U (en) * 2010-06-07 2011-01-19 赵晓云 Implanted drug delivery device
US20120108886A1 (en) * 2010-10-22 2012-05-03 Nupulse, Inc. Internal drive line for ventricular assist device
CN204428532U (en) * 2014-11-18 2015-07-01 肖程午 The check valve implantable drug delivery system that Wicresoft gets involved
CN104800966A (en) * 2015-04-03 2015-07-29 北京兆仕医疗器械有限责任公司 Implantable drug-supplying device of check valve seal-free pipe
CN106937895A (en) * 2016-01-05 2017-07-11 上海微创医疗器械(集团)有限公司 Overlay film frame and preparation method thereof
CN206979833U (en) * 2017-02-14 2018-02-09 施勇 A kind of internally-arranged type On Irrigation of Bladder Chemotherapy pump

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101502695A (en) * 2009-01-15 2009-08-12 徐泱 Embedded type chargeable sustained-release administration pump
CN201710803U (en) * 2010-06-07 2011-01-19 赵晓云 Implanted drug delivery device
US20120108886A1 (en) * 2010-10-22 2012-05-03 Nupulse, Inc. Internal drive line for ventricular assist device
CN204428532U (en) * 2014-11-18 2015-07-01 肖程午 The check valve implantable drug delivery system that Wicresoft gets involved
CN104800966A (en) * 2015-04-03 2015-07-29 北京兆仕医疗器械有限责任公司 Implantable drug-supplying device of check valve seal-free pipe
CN106937895A (en) * 2016-01-05 2017-07-11 上海微创医疗器械(集团)有限公司 Overlay film frame and preparation method thereof
CN206979833U (en) * 2017-02-14 2018-02-09 施勇 A kind of internally-arranged type On Irrigation of Bladder Chemotherapy pump

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113456928A (en) * 2021-07-08 2021-10-01 广州友沃医疗设备有限公司 Push type high-pressure syringe
CN113456928B (en) * 2021-07-08 2023-04-07 广州友沃医疗设备有限公司 Push type high-pressure syringe
CN115089807A (en) * 2022-06-22 2022-09-23 上海力声特医学科技有限公司 Implantable drug delivery system

Similar Documents

Publication Publication Date Title
CN109172937A (en) A kind of oncology built-in type chemicotherapy pump
CN104436363B (en) A kind of remaining needle is sustained positive pressure devices
CN104399144B (en) A kind of remaining needle of band sustained release malleation
CN105126243B (en) Microneedle injection bullet and preparation method thereof and microneedle injection equipment
CN204379974U (en) A kind of subcutaneous implantation doser
JP2000079168A (en) Liquid medicine pouring port
CN201710803U (en) Implanted drug delivery device
CN102188761B (en) A kind of positive-pressure pinch valve
CN107096112A (en) A kind of indwelling emergency treatment conduit thrombosis prevention device
KR102449660B1 (en) Drip chamber assembly that functions irrespective of orientation
CN108042899A (en) A kind of dual valve implantable drug delivery system
US20090171290A1 (en) Infusion device for infusing multiple medicaments at different speeds and method
CN209270598U (en) A kind of anti-slip inlying catheter of persistent neurological retardance
CN207734452U (en) A kind of implantable drug delivery system
CN215426894U (en) Bladder cancer postoperative perfusion device
CN104740757A (en) Ultrasonic and iontophoresis combined transdermal drug delivery device
CN108939284A (en) It can dissolve microneedle injection device
BR112020007259A2 (en) aseptic fluid transfer connector
CN214633242U (en) Fully-implanted deep continuous administration silicone capsule tube system
CN114948085A (en) Perfusion catheter and application thereof
CN209529900U (en) A kind of dissolvable microneedle injection device
CN206167612U (en) Deep vein catheter device
CN201200664Y (en) Novel two-chamber medicament sustained-release infusion device
CN208785472U (en) A kind of Internal Medicine-Oncology drug delivery device
CN209347788U (en) Novel remaining needle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190111