CN106075639A - A kind of pressure transfusion port of band filtering function - Google Patents
A kind of pressure transfusion port of band filtering function Download PDFInfo
- Publication number
- CN106075639A CN106075639A CN201610554325.3A CN201610554325A CN106075639A CN 106075639 A CN106075639 A CN 106075639A CN 201610554325 A CN201610554325 A CN 201610554325A CN 106075639 A CN106075639 A CN 106075639A
- Authority
- CN
- China
- Prior art keywords
- liquid bath
- convolution groove
- lid
- transfusion port
- convolution
- 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
Links
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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/007—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests for contrast media
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/165—Filtering accessories, e.g. blood filters, filters for infusion liquids
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/04—General characteristics of the apparatus implanted
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/75—General characteristics of the apparatus with filters
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 invention discloses the pressure transfusion port of a kind of band filtering function, belong to technical field of medical instruments.The technical scheme is that and on pedestal, be provided with the convolution groove holding liquid bath and connecting with appearance liquid bath, connecting tube is stretched in convolution groove and is connected with conduit by conduit lock, hold the height height more than convolution groove of liquid bath, hold liquid bath top with pierce through every fitting tightly setting, the top of convolution groove fits tightly setting with lid, the outer wall and the lid inwall that hold liquid bath fit tightly setting, divide and define particle suspension district, define medicinal liquid by district and particle deposition district at convolution slot part holding sump portion between pedestal and lid.The scheme that the present invention provides uses macromolecular material to be prepared from completely, has the bio-compatibility of excellence and comfortable soft durometer, and it can also tolerate higher pressure, it is possible to meets the infusion traffic requirement of contrast agent.And this transfusion port can filter microgranule, it is to avoid microgranule is infused in internal blood circulation.
Description
Technical field
The present invention relates to field of medical device, particularly to the pressure transfusion port of a kind of band filtering function.
Background technology
Transfusion port is a kind of newer infusion pipeline technology, is the Guan Bi transfusion system in a kind of fully implanted human body, should
System includes that tip is positioned at superior vena caval conduit portion and is imbedded at subcutaneous injection seat.Utilize minor operation method by conduit warp
Subcutaneous puncture is placed in the big vein of human body, and such as subclavian vein, internal jugular vein, the end of conduit arrives superior vena cava；Part is led
Pipe is imbedded in subcutaneous tissue, is retained in thoracic wall subcutaneous tissue by the injection seat of the other end and sews up fixing.
Mostly the transfusion port of prior art is single-chamber single channel, most sealing covering materials using rigid plastics to do cavity；
And all can use connection that metal material material does between joint or strengthen some portion of structure wearability and intensity.Existing defeated
Liquid port product, because to the use of metal and its low discharge, low pressure use condition, which limits this transfusion port of use
Patient can not carry out a few the inspections of CT and MRI, the infusion channel as contrast agent can not be used for.And existing market
The fine particle etc. that most transfusion port products produce when the most too much considering to filter or how to process puncture pollutes, but leaves
It flows in the middle of blood.
Summary of the invention
The deficiency existed for prior art, present invention is primarily targeted at offer a kind of new type pressurized implanted transfusion
Port, it uses macromolecular material to be prepared from completely, has the bio-compatibility of excellence and comfortable soft durometer, and it does not only contain
Any metallics, but also it is resistant to the pressure that comparison is high, it is possible to meet the infusion traffic requirement of contrast agent.And this is defeated
Microgranule can be filtered in liquid port, and it enables to be lighter than the high molecular particle of medicine and overweight the metal particle of medicine, is all left on
In transfusion port cavity, it is to avoid microgranule is infused in internal blood circulation.
Another object of the present invention is to provide the transfusion port of the configuration of a kind of two-chamber, its two-chamber to be used alternatingly, side
Just skin healing, and two-chamber can also infusion mutually be difficult to compatibility medicine, with avoid produce unfavorable condition,
For achieving the above object, the technical scheme is that the pressure transfusion port of a kind of band filtering function, including phase
The injection seat connected and conduit, pedestal that described injection seat includes being made up of TPU polyurethane high molecule material, lid, connection
Pipe and conduit lock, described lid is arranged on pedestal, and described lid is provided with through hole, is provided with and seals up in described lid
Through hole pierce through every, described pedestal is provided with hold liquid bath and with hold the convolution groove that connects of liquid bath, described connecting tube stretches into back
Being connected with conduit in spin slot and by conduit lock, the height of described appearance liquid bath is more than the height of convolution groove, the top of described appearance liquid bath
Portion fits tightly setting with piercing through every bottom, and the top of described convolution groove and lid fit tightly setting, outside described appearance liquid bath
Wall and lid inwall fit tightly setting, define microgranule from convolution groove tip position every bottom and hang to piercing through in described appearance liquid bath
Floating region, described convolution trench bottom is particle deposition district.
Preferably, the surface of described injection seat and conduit is provided with plasma-coated.
Preferably, described convolution groove be shaped as arc.
Preferably, the quantity of described appearance liquid bath and convolution groove is two, and said two holds liquid bath by top and thorn
Wear to fit tightly to arrange every the sidewall fitting tightly setting and two sidewalls and lid holding liquid bath and realize isolation.
Preferably, the other end that described convolution groove holds liquid bath relatively is communicated with collecting tray, and described collecting tray is less than convolution groove
Arranging, described connecting tube is positioned in collecting tray, and described convolution groove opening at collecting tray becomes big gradually, and medicinal liquid is through convolution
Groove enters turbulization before collecting tray.
Preferably, described connecting tube is arranged near the end of collecting tray, reserved between described connecting tube and collecting tray end
Gap.
Preferably, the shape of described appearance liquid bath and convolution groove is semicircle.
Preferably, described pedestal is provided with hollow loss of weight chamber.
Preferably, it is connected by ultrasonic bonding between described pedestal and lid.
The present invention has the advantage that relative to prior art, by using TPU polyurethane high molecule material to prepare completely
Forming, have the bio-compatibility of excellence and comfortable soft durometer, it is not only without any metallics, but also is resistant to
Relatively higher pressure, can arrive 500psi, it is possible to meet infusion flow and the requirement of pressure of contrast agent, flow velocity up to 5～
8ml/min.Traditional transfusion port also needs external supercharging equipment, comparatively, present configuration is simple, easy to use.And should
Transfusion port can filter microgranule, and it enables to be lighter than the high molecular particle of medicine and overweight the metal particle of medicine, is all stayed
In transfusion port cavity, it is to avoid microgranule is infused in internal blood circulation.Two are held the liquid bath i.e. effect of two-chamber is that two-chamber can
To be used alternatingly, facilitate skin healing, and two-chamber can also mutually be difficult to compatible medicine, to avoid producing bad feelings by infusion
Condition.
Accompanying drawing explanation
Fig. 1 is the structural representation of the single-chamber transfusion port of the present invention；
Fig. 2 is the sectional view of A-A part in Fig. 1；
Fig. 3 is the explosive view of Fig. 1；
Fig. 4 is the structural representation at two-chamber transfusion port of the present invention；
Fig. 5 is the explosive view of Fig. 4；
Fig. 6 is A portion enlarged diagram in Fig. 4；
Fig. 7 is the structural representation of lid in Fig. 4；
Fig. 8 be Fig. 4 pierces through every structural representation.
In figure: 1, injection seat；2, conduit；3, pedestal；4, lid；5, connecting tube；6, conduit lock；7, pierce through every；8, liquid is held
Groove；9, convolution groove；10, particle suspension district；11, particle deposition district；12, collecting tray；13, opening；14, gap；15, loss of weight is hollow
Chamber.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
As it is shown in figure 1, the pressure transfusion port of a kind of band filtering function, including interconnective injection seat 1 and conduit 2, institute
State pedestal 3, lid 4, connecting tube 5 and conduit lock 6, described lid that injection seat 1 includes being made up of TPU polyurethane high molecule material
Body 4 is arranged on pedestal 3, and described lid 4 is provided with through hole, be provided with in described lid 4 seal up through hole pierce through every 7,
Be provided with on described pedestal 3 hold liquid bath 8 and with hold the convolution groove 9 that connect of liquid bath 8, described connecting tube 5 stretches in the groove 9 that circles round also
By conduit 2 lock be connected with conduit 2, the height of described appearance liquid bath 8 more than convolution groove 9 height, the top of described appearance liquid bath 8 and
Piercing through and fit tightly setting bottom 7, the top of described convolution groove 9 and lid 4 fit tightly setting, outside described appearance liquid bath 8
Wall and lid 4 inwall fit tightly setting, in described appearance liquid bath 8 from convolution groove 9 tip position to pierce through define bottom 7 micro-
Grain floating zone 10, is particle deposition district 11 bottom described convolution groove 9.
The present invention by completely use TPU polyurethane high molecule material be prepared from, have excellence bio-compatibility and
Comfortable soft durometer, it is not only without any metallics, but also is resistant to the pressure that comparison is high, can arrive
500psi, it is possible to meet infusion flow and the requirement of pressure of contrast agent, flow velocity is up to 5～8ml/min.Traditional transfusion port is also
Need external supercharging equipment, comparatively, present configuration is simple, easy to use.And this transfusion port can filter microgranule, its energy
Enough make be lighter than the high molecular particle of medicine and overweight the microgranule of medicine, be all left in transfusion port cavity, and be not infused into
In internal blood circulation.
The function wherein filtering microgranule is to be realized by following structure: arrange convolution groove 9 on pedestal 3, convolution groove 9
Effect increases the circulation path of medicinal liquid, and the width of this convolution groove 9 is less so that the light weight microparticles that in medicinal liquid, volume is bigger and
The microgranule of weight can be deposited on convolution groove 9 in, particle deposition district 11 be exactly circle round groove 9 bottom, it is ensured that these microgranules not by
It is infused in internal blood circulation.The microgranule being wherein lighter than quality of liquid medicine is trapped in particle suspension district 10, when syringe needle passes through
Piercing through to enter every 7 holds in liquid baths 8 after liquid medicine injection, the microgranule of medicinal liquid and lighter weight can in holding liquid bath 8 rotational flow, connect
Medicinal liquid and can enter convolution groove 9, and the particle suspension of lighter weight is within holding liquid bath 8, because holding the aspect ratio convolution groove of liquid bath 8
The height of 9 is high, so the particle suspension of lighter weight is above medicinal liquid and owing to the entry position of convolution groove 9 is relatively low and stop
Lighter microgranule flows in convolution groove 9.
Preferably, it is connected by ultrasonic bonding between pedestal 3 with lid 4.The welding advantage of Ultrasonic Plastic is welding
Speed is fast, and weld strength is high, good airproof performance, and with low cost, cleanliness without any pollution and will not disfiguring workpiece, it is ensured that in transfusion port
Foreign and impurity.
Additionally ultrasonic bonding process stabilization, all welding parameters all can be tracked monitoring by software system, once
Find that fault is easy to carry out getting rid of and safeguarding.
Preferably, convolution groove 9 be shaped as arc.Shape according to pedestal 3 makes the path maximum of convolution groove 9
Change, guarantee that the microgranule such as metal particle of heavier mass can deposit.The shape of the single-chamber type transfusion port convolution groove 9 of the present invention connects
Subcircular, the shape holding liquid bath 8 and convolution groove 9 in two-chamber shape transfusion port is semicircle.
Preferably, the surface of injection seat 1 and conduit 2 is provided with plasma-coated.Plasma-coated effect is to produce
Raw biologically inert, stops microgranule absorption and blocking.
Preferably, the quantity holding liquid bath 8 and convolution groove 9 is two, and two are held liquid bath 8 and pass through top and pierce through every 7
The sidewall of the sidewalls and lid 4 that fit tightly setting and two appearance liquid baths 8 fits tightly to arrange and realizes isolation.Two are held liquid
The groove 8 i.e. effect of two-chamber is that two-chamber can be used alternatingly, and facilitates skin healing, and two-chamber can also mutually be difficult to compatibility by infusion
Medicine, with avoid produce unfavorable condition.Two structures holding liquid bath 8 realization isolation are two and hold liquid baths 8 by top and thorn
Wear to fit tightly to arrange every 7 sidewalls fitting tightly setting and two sidewalls and lid 4 holding liquid bath 8 and realize.
Preferably, convolution groove 9 relatively holds the other end of liquid bath 8 and is communicated with collecting tray 12, and collecting tray 12 sets less than convolution groove 9
Putting, connecting tube 5 is positioned in collecting tray 12, and the convolution groove 9 opening 13 at collecting tray 12 becomes greatly gradually, and medicinal liquid is through convolution groove
9 enter turbulization before collecting tray 12.And connecting tube 5 is arranged near the end of collecting tray 12, connecting tube 5 and collecting tray 12 end
Preset clearance 14 between portion.
The effect that collecting tray 12 is arranged less than convolution groove 9 is to ensure that medicinal liquid can infusion be to blood vessel completely, in transfusion seat not
Having residual liquor, the convolution groove 9 opening 13 at collecting tray 12 becomes greatly gradually, and medicinal liquid enters collecting tray through convolution groove 9
Turbulization before 12, medicinal liquid can be put aside herein so that infusion flow rate is the most stable.
Preferably, pedestal 3 is provided with hollow loss of weight chamber 15.The effect in hollow loss of weight chamber 15 is the weight reducing transfusion port
Amount, and manufacturing cost can be reduced.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned enforcement
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that, for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications are also
Should be regarded as protection scope of the present invention.
Claims (9)
1. a pressure transfusion port for band filtering function, including interconnective injection seat and conduit, it is characterised in that: described note
Penetrating pedestal, lid, connecting tube and conduit lock that seat includes being made up of TPU polyurethane high molecule material, described lid is arranged on
On pedestal, described lid is provided with through hole, be provided with in described lid seal up through hole pierce through every, on described pedestal arrange
Having the convolution groove holding liquid bath and connecting with appearance liquid bath, described connecting tube is stretched in convolution groove and is connected with conduit by conduit lock
Connecing, the height of described appearance liquid bath is more than the height of convolution groove, and the top of described appearance liquid bath fits tightly setting with piercing through every bottom,
The top of described convolution groove and lid fit tightly setting, and the outer wall of described appearance liquid bath and lid inwall fit tightly setting, institute
Defining particle suspension district from convolution groove tip position every bottom to piercing through in stating appearance liquid bath, described convolution trench bottom is that microgranule sinks
Long-pending district.
The pressure transfusion port of a kind of band filtering function the most according to claim 1, it is characterised in that: described injection seat and
The surface of conduit is provided with plasma-coated.
The pressure transfusion port of a kind of band filtering function the most according to claim 1, it is characterised in that: the shape of described convolution groove
Shape is arc.
4., according to the pressure transfusion port of a kind of band filtering function described in any claim in claims 1 to 3, its feature exists
In: the quantity of described appearance liquid bath and convolution groove is two, and said two is held liquid bath and passed through top and pierce through every fitting tightly
Arrange and the sidewalls of two appearance liquid baths fit tightly to arrange with the sidewall of lid and realize isolation.
The pressure transfusion port of a kind of band filtering function the most according to claim 4, it is characterised in that: described each convolution groove
The other end relatively holding liquid bath is communicated with collecting tray, and described collecting tray is arranged less than convolution groove, and described connecting tube is positioned at collecting tray
In, described convolution groove opening at collecting tray becomes big gradually, and medicinal liquid is turbulization before convolution groove enters collecting tray.
The pressure transfusion port of a kind of band filtering function the most according to claim 5, it is characterised in that: described connecting tube is close
The end of collecting tray is arranged, preset clearance between described connecting tube and collecting tray end.
The pressure transfusion port of a kind of band filtering function the most according to claim 4, it is characterised in that: described appearance liquid bath and
The shape of convolution groove is semicircle.
The pressure transfusion port of a kind of band filtering function the most according to claim 4, it is characterised in that: set on described injection seat
It is equipped with hollow loss of weight chamber.
The pressure transfusion port of a kind of band filtering function the most according to claim 4, it is characterised in that: described pedestal and lid
Between connected by ultrasonic bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610554325.3A CN106075639A (en) | 2016-07-14 | 2016-07-14 | A kind of pressure transfusion port of band filtering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610554325.3A CN106075639A (en) | 2016-07-14 | 2016-07-14 | A kind of pressure transfusion port of band filtering function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106075639A true CN106075639A (en) | 2016-11-09 |
Family
ID=57220140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610554325.3A Pending CN106075639A (en) | 2016-07-14 | 2016-07-14 | A kind of pressure transfusion port of band filtering function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106075639A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107050563A (en) * | 2017-05-26 | 2017-08-18 | 常州市第人民医院 | An electrocardiographically guided implantable chest wall port |
| CN110327512A (en) * | 2019-07-05 | 2019-10-15 | 天津塞科凯尔科技有限公司 | Novel infusion port structure and assemble method |
| CN113975521A (en) * | 2021-11-10 | 2022-01-28 | 天津迪玛克医药科技有限公司 | Novel implanted drug delivery device |
| CN114377246A (en) * | 2022-01-14 | 2022-04-22 | 常州瑞神安医疗器械有限公司 | Port administration device and method for treating chronic pain |
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| US5399168A (en) * | 1991-08-29 | 1995-03-21 | C. R. Bard, Inc. | Implantable plural fluid cavity port |
| US6290677B1 (en) * | 1996-01-24 | 2001-09-18 | Sumitomo Bakelite Company Limited | Medicinal liquid injection port |
| US20080114308A1 (en) * | 2006-11-13 | 2008-05-15 | Di Palma Giorgio | Vascular Access Port with Catheter Connector |
| CN101309720A (en) * | 2005-11-16 | 2008-11-19 | 欧洲腹腔镜检植入装置研制公司 | Implantable atraumatic medical site with simplified design |
| US20090118683A1 (en) * | 2007-10-05 | 2009-05-07 | Hanson Barry G | Dual reservoir implantable access port |
| US20100106094A1 (en) * | 2008-10-28 | 2010-04-29 | Medical Components, Inc. | Venous access port assembly and method of assembly |
| CN206391272U (en) * | 2016-07-14 | 2017-08-11 | 宋盼盼 | A kind of pressure-resistant transfusion port with filtering function |
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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5399168A (en) * | 1991-08-29 | 1995-03-21 | C. R. Bard, Inc. | Implantable plural fluid cavity port |
| US6290677B1 (en) * | 1996-01-24 | 2001-09-18 | Sumitomo Bakelite Company Limited | Medicinal liquid injection port |
| CN101309720A (en) * | 2005-11-16 | 2008-11-19 | 欧洲腹腔镜检植入装置研制公司 | Implantable atraumatic medical site with simplified design |
| US20080114308A1 (en) * | 2006-11-13 | 2008-05-15 | Di Palma Giorgio | Vascular Access Port with Catheter Connector |
| US20090118683A1 (en) * | 2007-10-05 | 2009-05-07 | Hanson Barry G | Dual reservoir implantable access port |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107050563A (en) * | 2017-05-26 | 2017-08-18 | 常州市第人民医院 | An electrocardiographically guided implantable chest wall port |
| CN110327512A (en) * | 2019-07-05 | 2019-10-15 | 天津塞科凯尔科技有限公司 | Novel infusion port structure and assemble method |
| CN110327512B (en) * | 2019-07-05 | 2024-04-30 | 天津迪玛克医疗器械有限公司 | Novel transfusion port structure and assembling method |
| CN113975521A (en) * | 2021-11-10 | 2022-01-28 | 天津迪玛克医药科技有限公司 | Novel implanted drug delivery device |
| CN114377246A (en) * | 2022-01-14 | 2022-04-22 | 常州瑞神安医疗器械有限公司 | Port administration device and method for treating chronic pain |
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