CN2117139U - Aritificial joint with medicine - Google Patents
Aritificial joint with medicine Download PDFInfo
- Publication number
- CN2117139U CN2117139U CN 92204454 CN92204454U CN2117139U CN 2117139 U CN2117139 U CN 2117139U CN 92204454 CN92204454 CN 92204454 CN 92204454 U CN92204454 U CN 92204454U CN 2117139 U CN2117139 U CN 2117139U
- Authority
- CN
- China
- Prior art keywords
- joint
- artificial
- medicine
- arm
- circulation
- 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.)
- Granted
Links
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30667—Features concerning an interaction with the environment or a particular use of the prosthesis
- A61F2002/30677—Means for introducing or releasing pharmaceutical products, e.g. antibiotics, into the body
Abstract
The utility model provides an artificial joint with medicine, which is characterized in that a specific hollow area of the artificial joint is used as a medicine-storing trough filled with the antibiotic, the antituberculosis drug and the antitumor drug. The pressure change produced by the flexion-extension movement of the joint propels the joint fluid and the medical fluid in the medicine-storing trough to passes through two holes to form a circulation. Thereby, a high thickness of medicine at the nidus area is maintained for a long period of time. The utility model has the functions of recovery of articular function, prevention and treatment of infections and treatment of tuberculosis or tumors.
Description
This utility model relates to a kind of improved artificial joint, particularly a kind of have special construction can be with the artificial joint of medicine.Be applicable to shoulder joint, elbow joint, hip joint, kneed prosthetic replacement.
Existing artificial joint can not be with medicine, can only play the effect that recovers function of joint, does not have functions such as infection, tuberculosis, antitumor.Main complication infected exactly after the prosthetic replacement performed the operation; Infect and not only declare operative failure, and can cause lifelong maimed person or threat to life to patient.The main method of preventing in the past, treating infection is that whole body is used antibiotics, and the effect of not only paying is big, and the focus local drug concentration is limited.Just because of this, artificial joint is considered as taboo for activeness total joint tuberculosis.Behind the osteoarthrosis tumor resection artificial joint replacement, present conventional systemic administration carries out chemotherapy, and is bigger to health harm.
Task of the present utility model is that a kind of improved artificial joint will be provided, and promptly is with the medicine artificial joint.Make it can play the effect that recovers function of joint, can play the effect that tuberculosis or tumor are infected, treat in prevention, treatment again, and provide advantage for activeness total joint tuberculosis first phase prosthetic replacement.
Task of the present utility model is finished as follows: manufacture a drug storage groove in the specific hollow part of artificial joint, in the capping of groove or other position that is exposed to articular cavity of artificial joint bore 2 circulation ports, antibiotics, antituberculotics or antitumor drug are put into groove.Owing to articular cavity itself is negative pressure, and joint meeting generation pressure variation in flexion and extension, so joint motions itself will be played the effect of pump, the medicinal liquid in joint fluid and the drug storage groove is circulated by 2 holes formation.The circulation rate of the size control medicine of circulation port, thus keep the high concentration of focus topical remedy for a long time, give full play to the therapeutical effect of medicine, reduce the effect of paying of systemic administration.
Below with reference to accompanying drawing this utility model is described in further detail.
Fig. 1 is a band medicine artificial thigh bone cutaway view.
Fig. 2 is a band medicine artificial humeral head cutaway view.
Fig. 3 is a band medicine artificial knee joint cutaway view.
Fig. 4 is a band medicine artificial elbow joint cutaway view.
With reference to Fig. 1 Fig. 2, artificial thigh bone or artificial humeral head near tuberosity position (1), (6) respectively have 1 diameter be 8 millimeters put medicine hole (2), (5), this hole is tight with threaded cap (3) envelope.It is 1 millimeter (4) 2 of circulation ports that diameter is arranged on the threaded cap, communicates with hollow part (7) as the drug storage groove.Medicinal liquid is put into the drug storage groove, forms circulation by 2 circulation ports and joint fluid.
With reference to Fig. 3 Fig. 4, broach portion (9), (16) of artificial knee joint or artificial elbow joint are used threaded connection respectively with hollow arm (10), (15), at arm (11), (14) close joint shaft place, it is 1 millimeter circulation port (12), (13) that 2 diameters are arranged respectively, communicates with arm hollow part as the drug storage groove.Medicine is put into the drug storage groove from the screwed hole of (10), (15), form circulation by (12), (13) circulation port and joint fluid.
Claims (2)
1, a kind of band medicine artificial joint of forming by artificial thigh bone or artificial humeral head, it is characterized in that it is 8 millimeters hole [2], [5] that artificial thigh bone or artificial humeral head are drilled with a diameter near tuberosity position [1], [6], this hole is tight with blind nut [3] envelope, and blind nut [3] is drilled with 1 millimeter [4] 2 of circulation ports communicates with drug storage groove [7].
2, a kind of band medicine artificial joint of forming by artificial knee joint or artificial elbow joint, it is characterized in that broach portion (9), (16) and hollow arm (10), (15) use threaded connection respectively, communicate with arm hollow part near 2 diameters are arranged respectively is 1 millimeter circulation port (12), (13) at joint shaft place as the drug storage groove at arm (11), (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92204454 CN2117139U (en) | 1992-03-12 | 1992-03-12 | Aritificial joint with medicine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92204454 CN2117139U (en) | 1992-03-12 | 1992-03-12 | Aritificial joint with medicine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2117139U true CN2117139U (en) | 1992-09-30 |
Family
ID=4950861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92204454 Granted CN2117139U (en) | 1992-03-12 | 1992-03-12 | Aritificial joint with medicine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2117139U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100571647C (en) * | 2005-02-22 | 2009-12-23 | 泰克里斯公司 | The disposable apparatus that is used for treatment of infections of human limbs |
-
1992
- 1992-03-12 CN CN 92204454 patent/CN2117139U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100571647C (en) * | 2005-02-22 | 2009-12-23 | 泰克里斯公司 | The disposable apparatus that is used for treatment of infections of human limbs |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |