CN113975521B - Implantable drug delivery device - Google Patents
Implantable drug delivery device Download PDFInfo
- Publication number
- CN113975521B CN113975521B CN202111323772.5A CN202111323772A CN113975521B CN 113975521 B CN113975521 B CN 113975521B CN 202111323772 A CN202111323772 A CN 202111323772A CN 113975521 B CN113975521 B CN 113975521B
- Authority
- CN
- China
- Prior art keywords
- pipe
- port body
- gradual change
- cavity
- seat
- 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.)
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Links
- 238000012377 drug delivery Methods 0.000 title claims abstract description 19
- 230000008859 change Effects 0.000 claims abstract description 28
- 238000002347 injection Methods 0.000 claims abstract description 22
- 239000007924 injection Substances 0.000 claims abstract description 22
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000007779 soft material Substances 0.000 claims description 3
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000001802 infusion Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000001225 therapeutic effect Effects 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 2
- 239000000463 material Substances 0.000 description 9
- 238000009958 sewing Methods 0.000 description 8
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 239000008280 blood Substances 0.000 description 5
- 210000004369 blood Anatomy 0.000 description 5
- 239000003814 drug Substances 0.000 description 4
- 229940079593 drug Drugs 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 210000003462 vein Anatomy 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 206010033675 panniculitis Diseases 0.000 description 2
- 210000004304 subcutaneous tissue Anatomy 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing 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
- 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
-
- 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
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
- A61M2005/1587—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body suitable for being connected to an infusion line after insertion into a patient
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)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention relates to the technical field of implantable therapeutic infusion devices, in particular to an implantable drug delivery device which has stable use effect and overall structure and good use reliability, and comprises a guide tube, a port body base and a port body upper cover, wherein the port body base and the port body upper cover are welded by ultrasonic, a working opening is formed in the port body upper cover, a penetrating cavity is formed in the working opening, an upper cavity cover is arranged in the penetrating cavity, a lower cavity seat is arranged in the upper cavity cover, an injection piece is arranged between the lower cavity seat and the upper cavity cover, the upper and lower both ends of injection respectively with last chamber lid and lower chamber seat butt each other, harbor body base is connected with the spacing ring, lower chamber seat sets up in the spacing ring, the intercommunication has the sleeve pipe on the lower chamber seat, the sleeve pipe cooperation has the connecting pipe, the connecting pipe is connected with the gradual change pipe, the gradual change groove has been seted up on the harbor body upper cover, the gradual change pipe sets up in the gradual change groove, harbor body base is connected with the gradual change and compresses tightly the pipe, the guide pipe cover is established on the connecting pipe, be provided with the pipe lock on the guide pipe, be provided with the lag on the pipe lock.
Description
Technical Field
The invention relates to the technical field of implantable therapeutic infusion devices, in particular to an implantable drug delivery device.
Background
As is well known, with the increasing rise of human medical level, more and more difficult conditions are diagnosed and treated, and when patients need long-term infusion treatment because of the special nature of the conditions, an implanted administration device structure is usually used to relieve the pain of the patients, and the implanted administration device is an intravenous infusion device capable of being implanted into the patients, and can be used in the aspects of frequent infusion of various medicines, fluid infusion, nutrition support treatment, blood transfusion, blood sample collection and the like, so as to reduce the pain and difficulty of repeated puncture.
The structure of the existing implantable drug delivery device generally comprises a port body and a guide tube, wherein the port body is communicated with the guide tube, an injection piece is arranged in the port body, the port body and the guide tube are made of flexible materials, when the implantable drug delivery device is used, the guide tube is placed in a vein of a human body through subcutaneous puncture by using a surgical method, the rest guide tube and the port body are buried in subcutaneous tissues, only a circular bulge can be touched on the surface of a patient, the implanted drug delivery device is positioned in the patient during treatment, and a harmless needle is inserted into the port body through the percutaneous vertical puncture, so that the implanted drug delivery device can be used for infusing various drugs, supplementing liquid, supporting nutrition therapy, blood transfusion, blood sample collection and the like, and a reliable vein channel is provided for patients needing long-term transfusion therapy, and meanwhile the implanted drug delivery device can also be used for blood sample collection.
However, the port body in the implanted drug delivery device structure is made of flexible materials, so that after the port body is implanted into subcutaneous tissues, the patient moves to drive the muscle movement at the implanted position, the internal cavity of the port body is easy to squeeze and deform, the using effect is affected, the communication reliability of the guide tube and the connecting tube is poor, the port body is easy to separate from the guide tube after being implanted, and the secondary operation pain is easy to be caused.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides an implantable drug delivery device, wherein the volume of a cavity formed by the upper cavity cover and the lower cavity seat in a matched mode is stable and is not easy to deform, the use effect is stable, the structure is stable, and the use reliability is good.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an implantable device of dosing, includes the guide tube, still includes port body base and port body upper cover, the operation mouth has been seted up on the port body upper cover, set up in the operation mouth and run through the chamber, it is provided with the upper chamber lid to run through the intracavity, be provided with down the chamber seat to go up the intracavity, be provided with the injection between lower chamber seat and the upper chamber lid, the injection is soft material, and the injection passes the operation mouth, and the top of injection is streamlined, the upper and lower both ends of injection respectively with upper chamber lid and lower chamber seat butt each other, fixedly connected with spacing ring on the port body base, the lower chamber seat sets up in the spacing ring, the intercommunication has the sleeve pipe on the lower chamber seat, the intraductal interference fit of cover has the connecting pipe, fixedly connected with gradual change pipe on the connecting pipe, set up gradual change groove on the body upper cover, the gradual change pipe sets up in the gradual change inslot, be used for gradual change pipe to compress tightly on the port body base, the guide tube is established on the guide tube, is provided with the pipe lock on the guide tube, is provided with the protection sleeve on the guide tube.
On the basis of the scheme, the catheter lock is further provided with a plurality of annular grooves, a plurality of protruding rings are arranged in the protective sleeve, and the protruding rings are respectively arranged in the annular grooves.
On the basis of the scheme, the upper part of the periphery of the port body upper cover is a sewing part, the sewing part is of a curved surface structure, the lower part of the periphery of the port body upper cover is of a holding part, and the holding part is of a cylindrical surface structure.
As a further proposal, the suture part is provided with a plurality of suture holes for suturing subcutaneously.
As still further in the above scheme, the upper cavity cover and the lower cavity seat can be formed by machining, stamping or metallurgical injection molding, and are made of stainless steel or titanium alloy.
As a further proposal of the proposal, the port body base and the port body upper cover are welded by ultrasonic.
(III) beneficial effects
Compared with the prior art, the invention provides an implantable drug delivery device, which has the following beneficial effects:
1. This implanted device of dosing, through the cooperation of upper chamber lid and lower chamber seat, be convenient for form the support to the cavity that forms between harbor body base and the harbor body upper cover cooperation, the cavity is difficult for yielding, and the result of use is comparatively stable.
2. This implanted device of dosing, through the cooperation of gradual change pipe and gradual change compress tightly the pipe, be convenient for with being connected between connecting pipe and the sleeve pipe, through the cooperation of pipe lock and connecting pipe, can compress tightly the guide pipe for the connecting pipe, make the connection between guide pipe and the connecting pipe comparatively stable and reliable, this implanted device of dosing's functional structure is comparatively stable.
Drawings
FIG. 1 is a schematic top perspective view of the invention in an overall exploded view;
FIG. 2 is a schematic view of a partial enlarged structure of the present invention at A in FIG. 1;
FIG. 3 is a schematic view of an integrally exploded bottom perspective of the present invention;
FIG. 4 is a schematic view of a partial enlarged structure at B in FIG. 3 according to the present invention;
FIG. 5 is a schematic perspective view of the whole structure of the present invention;
FIG. 6 is a schematic cross-sectional perspective view of the cooperation of the protective sleeve and the raised ring of the present invention.
In the figure: 1. a guide tube; 2. a harbor body base; 3. a port body upper cover; 5. an upper cavity cover; 6. a lower cavity seat; 7. an injection member; 8. a limiting ring; 9. a sleeve; 10. a connecting pipe; 11. a gradual change pipe; 12. gradual change compacting tube; 13. a catheter lock; 14. a protective sleeve; 16. an annular groove; 17. a protruding ring; 18. a suture site; 19. a pinch part; 20. and (5) stitching the hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Referring to fig. 1-6, an implantable drug delivery device comprises a guide tube 1, further comprises a port body base 2 and a port body upper cover 3, the upper part of the periphery of the port body upper cover 3 is a sewing part 18, the sewing part 18 is of a curved surface structure, a plurality of sewing holes 20 used for sewing under the skin are arranged on the sewing part 18, sewing in a patient is facilitated, the lower part of the periphery of the port body upper cover 3 is a pinch part 19, the cylindrical structure of the pinch part 19 is taken, the pinch of the port body upper cover 3 is easy, the practicability is better, ultrasonic welding is adopted between the port body base 2 and the port body upper cover 3, the connection reliability between the port body upper cover 3 and the port body base 2 is improved, an operation port is formed in the port body upper cover 3, a through cavity is formed in the operation port, an upper cavity is formed in the through cavity, an upper cavity cover 5 is formed in the through cavity, a lower cavity seat 6 is formed in the upper cavity cover 5, the upper cavity is convenient to form a supporting cavity formed by the cooperation between the port body base 2 and the port body upper cover 3, the port body upper cover 3 is easy to deform, the upper cavity is not deformed, the upper cavity is made of the alloy seat 6 is formed by the lower cavity 6 or the upper cavity seat is formed by the lower cavity seat is of the lower cavity 6, the alloy is formed by the lower cavity seat is formed by the lower forming the upper cavity seat 6, the upper cavity seat is made of the lower cavity is made of the alloy, the lower cavity is formed by the lower cavity is made of the alloy, and the material is formed by the lower cavity is the alloy is formed by the lower forming the material and the material is the material of the material is stable by the material and can be made by the material and can be shaped by be and the like.
It is still further to be explained, be provided with injection piece 7 between lower chamber seat 6 and the upper chamber lid 5, injection piece 7 is soft material, and injection piece 7 passes the operation mouth, the top of injection piece 7 is streamlined, the upper and lower both ends of injection piece 7 respectively with upper chamber lid 5 and lower chamber seat 6 butt each other, fixedly connected with stop collar 8 on the port body base 2, lower chamber seat 6 sets up in stop collar 8, the intercommunication has sleeve pipe 9 on the lower chamber seat 6, interference fit has connecting pipe 10 in the sleeve pipe 9, fixedly connected with gradual change pipe 11 on the connecting pipe 10, the gradual change groove has been seted up on the port body upper cover 3, gradual change pipe 11 sets up in the gradual change groove, fixedly connected with is used for gradual change pipe 11 to compress tightly gradual change pinch roll 12 on the port body base 2, through gradual change pipe 11 and gradual change pinch roll 12's cooperation, be convenient for with the connection between connecting pipe 10 and the sleeve pipe 9, guide pipe 1 cover is established on connecting pipe 10, be provided with pipe lock 13 on guide pipe 1, through the cooperation of pipe lock 13 and 10, can compress tightly guide pipe 1 for 10, make between guide pipe 1 and the connecting pipe 10 have the annular groove 13, the connection between the guide pipe 1 is provided with the annular channel 13, the protection sleeve 16 is comparatively stable, the setting up the protection sleeve 16 is relatively provided with a plurality of stable protection rings on the annular channel 13, the protection device is more than set up in the annular channel 13, the protection device is more stable, the protection sleeve 17 is connected to the protection device is more than the annular groove is set up in the annular groove 13.
In summary, the working principle and working process of the implantable drug delivery device are that, when in use, the implantable drug delivery device is firstly implanted into a patient by operation, the guide tube 1 is implanted into a vein, after implantation, the atraumatic needle is inserted into a cavity formed by matching the upper cavity cover 5 and the lower cavity seat 6 through the special atraumatic needle percutaneous vertical puncture injection member 7, and various drugs, fluid supplements or nutrient solutions are infused into the cavity through the special atraumatic needle, so that the injection of various drugs, fluid supplements or nutrient solutions into the patient is realized.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. An implantable drug delivery device comprising a guide tube (1), characterized in that: still include port body base (2) and port body upper cover (3), adopt ultrasonic welding between port body base (2) and port body upper cover (3), set up the operation mouth on port body upper cover (3), set up in the operation mouth and run through the chamber, run through intracavity and be provided with upper chamber lid (5), be provided with down chamber seat (6) in upper chamber lid (5), be provided with injection piece (7) between lower chamber seat (6) and upper chamber lid (5), injection piece (7) are soft material, and injection piece (7) pass the operation mouth, and the top of injection piece (7) is streamlined, the upper and lower both ends of injection piece (7) respectively with upper chamber lid (5) and lower chamber seat (6) butt each other, fixedly connected with spacing ring (8) on port body base (2), lower chamber seat (6) set up in spacing ring (8), the intercommunication has sleeve (9) on lower chamber seat (6), sleeve (9) interference fit is provided with injection piece (7), and is provided with on the gradual change pipe (11) on gradual change pipe (10) and is provided with gradual change pipe (11) and is used for connecting gradually change pipe (11) on gradual change pipe (3) is connected with gradual change pipe (11), the guide pipe (1) is sleeved on the connecting pipe (10), a guide pipe lock (13) is arranged on the guide pipe (1), a protective sleeve (14) is arranged on the guide pipe lock (13), a plurality of annular grooves (16) are formed in the guide pipe lock (13), a plurality of protruding rings (17) are arranged in the protective sleeve (14), and the protruding rings (17) are respectively arranged in the annular grooves (16).
2. An implantable drug delivery device according to claim 1, wherein: the upper part of the periphery of the port body upper cover (3) is a stitching part (18), the stitching part (18) is of a curved surface structure, the lower part of the periphery of the port body upper cover (3) is of a holding part (19), and the holding part (19) is of a cylindrical structure.
3. An implantable drug delivery device according to claim 2, wherein: the suturing portion (18) is provided with a plurality of suturing holes (20) for suturing subcutaneously.
4. An implantable drug delivery device according to claim 3, wherein: the upper cavity cover (5) and the lower cavity seat (6) can be formed by machining, stamping or metallurgical injection molding, and the upper cavity cover (5) and the lower cavity seat (6) are made of stainless steel or titanium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111323772.5A CN113975521B (en) | 2021-11-10 | 2021-11-10 | Implantable drug delivery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111323772.5A CN113975521B (en) | 2021-11-10 | 2021-11-10 | Implantable drug delivery device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113975521A CN113975521A (en) | 2022-01-28 |
| CN113975521B true CN113975521B (en) | 2024-08-20 |
Family
ID=79747535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111323772.5A Active CN113975521B (en) | 2021-11-10 | 2021-11-10 | Implantable drug delivery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113975521B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119792715B (en) * | 2025-03-13 | 2025-06-03 | 广州保瑞医疗技术有限公司 | Implantable drug delivery device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216824337U (en) * | 2021-11-10 | 2022-06-28 | 天津迪玛克医药科技有限公司 | Novel implanted drug delivery device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2005857A1 (en) * | 1989-12-18 | 1991-06-18 | Klaas Dijkstra | Implantable injection chamber device |
| CN204815139U (en) * | 2015-06-29 | 2015-12-02 | 苏州林华医疗器械有限公司 | Directional batching pig |
| CN106075639A (en) * | 2016-07-14 | 2016-11-09 | 宋盼盼 | A kind of pressure transfusion port of band filtering function |
| KR102501996B1 (en) * | 2018-02-20 | 2023-02-22 | 주식회사 인성메디칼 | Ventricular Port Assembly |
| CN210542680U (en) * | 2019-06-11 | 2020-05-19 | 国旭天华（苏州）医疗器械科技有限公司 | Implanted infusion port |
| CN210873432U (en) * | 2019-07-05 | 2020-06-30 | 天津塞科凯尔科技有限公司 | Shearing type transfusion port structure |
| CN112791267B (en) * | 2021-01-27 | 2024-12-17 | 康迪泰科(北京)医疗科技有限公司 | An infusion port |
-
2021
- 2021-11-10 CN CN202111323772.5A patent/CN113975521B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216824337U (en) * | 2021-11-10 | 2022-06-28 | 天津迪玛克医药科技有限公司 | Novel implanted drug delivery device |
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| CN113975521A (en) | 2022-01-28 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| CB02 | Change of applicant information |
Country or region after: China Address after: 301700 No. 10, Yuanhe Road, Wuqing Development Zone, Wuqing District, Tianjin Applicant after: Tianjin Demak Medical Instrument Co.,Ltd. Address before: 301700 No. 10, Yuanhe Road, Wuqing Development Zone, Wuqing District, Tianjin Applicant before: Tianjin dimak Pharmaceutical Technology Co.,Ltd. Country or region before: China |
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