CN202458787U - Medical surgical prosthesis spacer mould for shoulder joint - Google Patents
Medical surgical prosthesis spacer mould for shoulder joint Download PDFInfo
- Publication number
- CN202458787U CN202458787U CN 201220080131 CN201220080131U CN202458787U CN 202458787 U CN202458787 U CN 202458787U CN 201220080131 CN201220080131 CN 201220080131 CN 201220080131 U CN201220080131 U CN 201220080131U CN 202458787 U CN202458787 U CN 202458787U
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- CN
- China
- Prior art keywords
- mould
- shoulder joint
- sept
- lower mould
- groove
- 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.)
- Expired - Fee Related
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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
- A61F2/40—Joints for shoulders
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- 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
- A61F2002/30672—Features concerning an interaction with the environment or a particular use of the prosthesis temporary
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00353—Bone cement, e.g. polymethylmethacrylate or PMMA
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The utility model discloses a medical surgical prosthesis spacer mould for the shoulder joint which consists of an upper mould, a lower mould, a length adjusting rod, a fixed bolt and the like. The upper and lower moulds are of symmetrical cuboid structures which are carved with grooves in a prosthesis spacer shape in mirror symmetry on the internal surfaces. Caput humeri shaped grooves have spherical structures. Handle grooves of a prosthesis spacer simulate the collodiaphysial angles at proximal humeri in shape and are symmetrical semi-cylindrical grooves. The grooves and the moulds extend vertically in parallel to the bottoms of the moulds to form a through groove. After the upper and lower moulds are combined, the symmetrical semi-cylindrical grooves are combined to form an opening with a circular cross section so that a cylindrical length adjusting rod is inserted to control the length of the spacer. A pair of positioning columns and a pair of positioning counter bores which correspond to each other are arranged on the internal surfaces of the upper and lower moulds for accurate positioning after combination of the upper and lower moulds and the upper and lower moulds are locked through a pair of sliding fixed bolts. The medical surgical prosthesis spacer mould for the shoulder joint provided by the utility model is small in size, simple in structure and convenient to use, and can be used to simulate and prepare the artificial prosthesis at proximal humeri of the shoulder joint by using bone cement accurately, has strong repeatability, and ensures the operative effect and shortens the operative time effectively and is convenient for clinical popularization.
Description
Affiliated technical field
This utility model relates to technical field of medical instruments, particularly relates to a kind of medical surgical shoulder joint prosthesis sept mould.
Background technology
The artificial shoulder joint replacement technique has been widely used in clinical at present, has obtained curative effect preferably to the disease that advanced age, proximal humeral comminuted, head of humerus ischemic necrosis, shoulder malignant tumor etc. were difficult to treat in the past.Meanwhile, noted by people by the complication that the prosthetic replacement caused is also increasing.Wherein, it is the challenging a kind of complication of tool that the postoperative Periprosthetic infects, if deal with improperly causing patient to need long-term treatment and causing nonvolatil deformity.According to related data, the incidence rate of artificial shoulder joint replacement postoperative infection is about 0.7%.Along with preventative antibiotic use, laminar flow filtration surgery chamber, antibiotic-loaded bone cement and treatment of wounds development of technology; The incidence rate of the infection that the artificial prosthesis substitution caused has obtained control effectively; But undeniable is that postoperative infection remains one of significant threat that in one quite long period, causes artificial shoulder joint displacement inefficacy.
In the orthopaedic surgical operations clinical treatment; The effective treating method that infects to Periprosthetic behind the artificial shoulder joint replacement mainly is to adopt the responsive antibiotics of antibacterial is carried out systemic treatment, and if the local joint severe symptoms infects can not get effective control for a long time; Need consider to carry out prosthese in case of necessity and take out operation; And periarticular soft tissues carried out thorough debridement, and cooperate local the placement to mix antibiotic bone cement chain pearl, further control bacterial growth.After artificial prosthesis takes out; Shoulder joint loses effective humerus side and shoulder broad-mouthed receptacle for holding liquid side relationship in a mutual action; Problems such as the serious joint function disturbance that causes for avoiding thus, limb shortening, activity pain can prepare bone cement simulation prosthese in operation process, promptly utilize bone cement to make the model of similar PH prosthese; Sept as shoulder broad-mouthed receptacle for holding liquid and PH; Be positioned over the former prosthese of PH position,, strive for the recovery of function of joint for the patient as far as possible in the hope of making shoulder joint recover certain anatomy relationship.In actual clinical work, sept is many to be prepared by operative doctor temporarily, is main method with free-hand plasticity.Though this method can be used flexibly; With low cost; But because PH prosthese; Comprise the shape and the complex structure (the PH shape refers to the shape after sagittal plane separates) of head of humerus, neck, handle, in the manufacturing process of the spherical joint face of head of humerus, be difficult to obtain satisfied sept profile through maneuver plasticity.To this; For overcoming the drawback of said method in clinical position; Develop a kind of can comparatively standardized making more near the mould of artificial shoulder joint PH prosthese; Guaranteeing that surgical effect is satisfied and can promote this technology fast, effectively shorten operating time, is the current in the art problem that presses for solution.
Summary of the invention
The purpose of this utility model is to provide a kind of advantages of small volume, simple in structure, and is easy to use, can accurately utilize bone cement preparation simulation artificial shoulder joint PH prosthese and repeatable strong medical surgical shoulder joint prosthesis sept mould.
In order to achieve the above object; This utility model adopts the technical scheme of following structure: a kind of medical surgical shoulder joint prosthesis sept mould: be made up of upper die and lower die, length adjustment bar, set bolt etc.; Be characterized in that upper and lower mould is symmetric rectangular structure, be long 23cm; Wide 7.5cm, high 2.5cm; Outer surface is a shiny surface, and inner surface is carved with the groove of prosthese sept shape, and the symmetrical grooves of upper and lower mould is the mirror image symmetry, and the groove of upper and lower mould vertically respectively is 1/2nd PH shapes, comprises head, neck, handle; Wherein the groove design of head of humerus shape is the dome-type structure, is the spheroid of 2cm with reference to radius, and promptly this dome-type groove is at the section arc length 6.3cm of mould inner surface, section substrate chord length 4cm; The collodiaphyseal angle that head of humerus and humerus are done continuity is 130 degree.Extend to the shank flutes of prosthese sept downwards to outer top edges arc from the center of head of humerus substrate, the simulation PH is the form at dried angle directly; Shank flutes is symmetric semicylinder groove at upper and lower mould inner surface, and the groove radius is 4mm, and it is axially vertically grown the limit with mould and runs parallel to the vertical base of mould; Constitute groove; Groove length is 20cm, and after upper and lower mould merged, two semicylinder grooves formed a cross section and are circular opening; Supply the length pole to insert, be convenient to the shank length of control interval thing; The length adjustment club shaft is a cylinder, and the part of inserting in the mould is diameter 7.5mm, and with the shank flutes coupling, length adjustment bar insertion portion length is 7cm, and every separated 1cm makes marks.The length adjustment tail end diameter that joins is the spheroid of 1.5cm, and spheroid inserts the baffle element behind the mould for the length adjustment bar; On the interior involutory surface of upper and lower mould, the reference column and location counterbore of a pair of mutual correspondence arranged respectively near die edge diagonal place, be used for two parts, guarantee that the mold position position is accurate fashionable.Respectively there are a pair of fixing hole and slip set bolt in place, outer rim diagonal angle, both sides, the long limit of upper and lower mould, when upper and lower mould two parts merge, can upper and lower mould be locked mutually through a pair of set bolt, constitutes medical surgical shoulder joint prosthesis sept mould.
When this mould uses, earlier bone cement is filled in the groove of upper and lower mould of mould, guarantees head of humerus part cement complete filling, the end of handle is confirmed the position that bone cement should arrive through the length adjustment piece.The bone cement filling of upper and lower mould should make the bone cement plane be not less than or a little more than die surface, remove unnecessary bone cement.Then that upper and lower mould is closed, compress two parts through set bolt, should be noted that the position of length adjustment piece keeps stable.Whether after treating that bone cement hardens fully, unclamp the set bolt between the upper and lower mould, take out the bone cement sept, observe profile and meet the requirements, whether head of humerus articular surface part is smooth.Can be to coarse surface, especially head of humerus hemispherical articular surface part can be used behind the cleaning and sterilizing with the file polishing.
Above-mentioned mould uses the POM polyformaldehyde material to be made.Its smooth surface, hardness are big, and water absorption rate is low, good rigidly; Good toughness; Bending strength, fatigue durability intensity height have hardness, intensity and the rigidity of metalloid, possess good sliding and wearability simultaneously; Bone cement being filled in the groove of the upper and lower mould of prosthese sept mould, is plastic required prosthese sept after closed then upper and lower mould and the locking; Product size good stability after the molding, precision is high, and bone cement prosthese sept and mould can good separation, are convenient to the making of sept.
Owing to adopt above-mentioned through shoulder joint prosthesis sept Mold Making bone cement prosthese; Make in the therapeutic process of shoulder joint replacement postoperative infection; Artificial prosthesis can fast, simply be manufactured bone cement prosthese sept after taking out, and has greatly shortened operating time.In addition, the sept of molding has more profile, especially the head of humerus articular surface part near articular prosthesis; For free-hand making; The former spherical shape is more complete, and the surface is Paint Gloss, the broad-mouthed receptacle for holding liquid upper arm joint relation in the time of can better keeping the shoulder joint activity; Create advantageous conditions for the patient strives for more function of joint, reached goal of the invention.
Description of drawings
Fig. 1 is the assembly sketch map of this utility model
Fig. 2 is the patrix structural representation of this utility model
Fig. 3 is the counterdie structural representation of this utility model
Fig. 4 is the length adjustment block structure sketch map of this utility model
The specific embodiment
Below in conjunction with detailed description of the drawings this utility model; Can find out the structural principle of this utility model from Fig. 1 to Fig. 4; A kind of medical surgical shoulder joint prosthesis sept mould: form by patrix 1, counterdie 7, length adjustment piece 6, set bolt 4; What Fig. 1 showed is the assembly sketch map of prosthese sept mould, the bone cement prosthese sept that the object 11 among Fig. 1 between the upper and lower mould is processed for simulation.Fig. 2 and shown in Figure 3 be the structure of upper and lower mould 1,7; Upper and lower mould 1,7 main bodys are rectangular structure; Outer surface is a shiny surface, and inner surface is carved with the symmetrical grooves of prosthese sept shape, and the groove of upper and lower mould 1,7 is the mirror image symmetry; The groove of upper and lower mould 1,7 vertically respectively is 1/2nd PH shapes, comprises head, neck, handle; Wherein the groove 9 of head of humerus shape is designed to the dome-type structure, extends for the shank of sept downwards to outer top edges from the center of head of humerus substrate, and center to junction, outer top is designed to arc to extending below, and simulates the form of PH collodiaphyseal angle; The part of shank is symmetric semicylinder groove 8 at upper and lower mould 1,7 inner surfacies, extends to the vertical base of mould; Do not seal behind semicylinder groove 8 to the base, after upper and lower mould 1,7 merged, it was circular opening that the semicylinder groove 8 of shank forms a cross section, supplied length adjustment bar 6 to insert the shank length of control interval thing; On the interior involutory surface of upper and lower mould 1,7, the reference column 3 and location counterbore 5 of a pair of mutual correspondence arranged respectively near die edge diagonal place, it is fashionable to be used for 1,7 pairs of upper and lower moulds, guarantees that mold position is accurate.Respectively there are a pair of permanent opening hole 2,10 and slip set bolt 4 in place, outer rim diagonal angle, both sides, upper and lower mould 1,7 long limit; When upper and lower mould 1,7 two parts merge; Can upper and lower mould 1,7 be locked mutually through a pair of set bolt 4, constitute medical surgical shoulder joint prosthesis sept mould.Said upper and lower mould 1,7 is long 23cm, wide 7.5cm, high 2.5cm; The groove 9 that is mirror image symmetry hemispherical dome structure on the mould inner surface; With reference to radius is the spheroid of 2cm, and promptly this dome-type groove 9 is at the section arc length 6.3cm of mould inner surface, section substrate chord length 4cm.The collodiaphyseal angle that head of humerus and humerus are done continuity is 130 degree.The long limit of dried groove 9 long axis directions of humerus on upper and lower mould 1,7 inner surfacies and mould is parallel, constitutes the groove 8 of shank semicylinder structure, and the radius of groove 8 is 4mm, from head of humerus groove 9 bases to the mould base, length 20cm, base open-ended; What Fig. 4 showed is the structure of length adjustment bar 6; Length adjustment bar 6 is a cylinder, and diameter is 7.5mm, inserts in the mould to mate with shank flutes 8; The diameter of length adjustment bar 6 insertion portions is slightly less than shank flutes 8 diameters, so that regulating block 6 inserts, takes out smoothly; Length adjustment bar 6 insertion portion length are 7cm, every make marks at a distance from 1cm, and the length adjustment bar 6 tail ends diameter that joins is the spheroid of 1.5cm, and spheroid is the baffle element after length adjustment bar 6 inserts; And Fig. 1 shows is the assembly sketch map of prosthese sept mould, the bone cement prosthese sept that the object 11 among Fig. 1 between the upper and lower mould is processed for simulation.
Claims (6)
1. medical surgical shoulder joint prosthesis sept mould: form by patrix (1), counterdie (7), length adjustment bar (6), set bolt (4); It is characterized in that: upper and lower mould (1,7) is symmetric rectangular structure; Outer surface is a shiny surface, and inner surface is carved with the groove of prosthese sept shape, and the symmetrical grooves of upper and lower mould (1,7) is the mirror image symmetry; The groove of upper and lower mould (1,7) vertically respectively is 1/2nd PH shapes, comprises head, neck, handle; Wherein the groove of head of humerus shape (9) is the dome-type structure, extends to the shank flutes (8) of prosthese sept downwards to outer top edges arc from the center of head of humerus substrate, simulates the form of PH collodiaphyseal angle; Shank flutes (8) is symmetric semicylinder groove at upper and lower mould inner surface; It is axially vertically grown the limit with mould and runs parallel to the vertical base of mould; Constitute groove, after upper and lower mould (1,7) merged, the groove of two semicylinders formed a cross section and is circular opening; Supply length adjustment bar (6) to insert the shank length of control interval thing; Length adjustment bar (6) body of rod is a cylinder, can insert in the mould to mate with shank flutes (8), and every the engraving at a distance from the 1cm distance of length adjustment bar (6) makes marks; Length adjustment bar (6) the tail end spheroid that joins inserts the baffle element behind the mould as the length adjustment bar; On the interior involutory surface of upper and lower mould (1,7), reference column (3) and location counterbore (5) near respectively there is a pair of mutual correspondence at die edge diagonal place are used for upper and lower mould (1,7) to fashionable location; Respectively there are pair of openings fixing hole (2,10) and slip set bolt (4) in place, outer rim diagonal angle, both sides, the long limit of upper and lower mould (1,7); When upper and lower mould (1,7) merges; With upper and lower mould (1,7) locking mutually, constitute medical surgical shoulder joint prosthesis sept mould through a pair of slip set bolt (4).
2. medical surgical shoulder joint prosthesis sept mould according to claim 1 is characterized in that; Said upper and lower mould (1,7) is long 23cm, wide 7.5cm, high 2.5cm.
3. medical surgical shoulder joint prosthesis sept mould according to claim 1; It is characterized in that: the groove of said head of humerus shape (9) is the dome-type structure; Its hemisphere be the spheroid of 2cm with reference to radius; Make the dome-type groove at the section arc length 6.3cm of mould inner surface, the collodiaphyseal angle that section substrate chord length 4cm, head of humerus and humerus do continuity is 130 degree.
4. medical surgical shoulder joint prosthesis sept mould according to claim 1, it is characterized in that: the radius of said shank flutes (8) is 4mm, length is 20cm.
5. medical surgical shoulder joint prosthesis sept mould according to claim 1 is characterized in that: the cylindrical body of rod length of said length adjustment bar (6) is 7cm, and every separated 1cm distance is carved with labelling.
6. medical surgical shoulder joint prosthesis sept mould according to claim 1 is characterized in that: the spheroid that said length adjustment bar (6) tail end joins, its diameter is 1.5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220080131 CN202458787U (en) | 2012-03-06 | 2012-03-06 | Medical surgical prosthesis spacer mould for shoulder joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220080131 CN202458787U (en) | 2012-03-06 | 2012-03-06 | Medical surgical prosthesis spacer mould for shoulder joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202458787U true CN202458787U (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220080131 Expired - Fee Related CN202458787U (en) | 2012-03-06 | 2012-03-06 | Medical surgical prosthesis spacer mould for shoulder joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202458787U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104958124A (en) * | 2015-06-26 | 2015-10-07 | 青岛大学附属医院 | Manufacturing method for duplicate artificial joint spacer |
| CN107567322A (en) * | 2014-11-06 | 2018-01-09 | A·凯培莱蒂 | For forming joint occupying device device or part thereof of mould |
| CN108635086A (en) * | 2018-05-08 | 2018-10-12 | 贵港市人民医院 | A kind of the joint bone cement spacer mold and preparation method of personalization |
| CN111136766A (en) * | 2020-01-17 | 2020-05-12 | 北京万洁天元医疗器械股份有限公司 | Preparation device of bone cement test sample strip |
-
2012
- 2012-03-06 CN CN 201220080131 patent/CN202458787U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107567322A (en) * | 2014-11-06 | 2018-01-09 | A·凯培莱蒂 | For forming joint occupying device device or part thereof of mould |
| CN107567322B (en) * | 2014-11-06 | 2020-08-21 | 科辛顿有限公司 | Mould for forming a joint spacer device or a part thereof |
| CN104958124A (en) * | 2015-06-26 | 2015-10-07 | 青岛大学附属医院 | Manufacturing method for duplicate artificial joint spacer |
| CN108635086A (en) * | 2018-05-08 | 2018-10-12 | 贵港市人民医院 | A kind of the joint bone cement spacer mold and preparation method of personalization |
| CN108635086B (en) * | 2018-05-08 | 2023-11-17 | 贵港市人民医院 | Individualized joint bone cement spacer die and preparation method |
| CN111136766A (en) * | 2020-01-17 | 2020-05-12 | 北京万洁天元医疗器械股份有限公司 | Preparation device of bone cement test sample strip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20190306 |
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| CF01 | Termination of patent right due to non-payment of annual fee |