CN215019740U - Humerus prosthesis - Google Patents
Humerus prosthesis Download PDFInfo
- Publication number
- CN215019740U CN215019740U CN202120182704.0U CN202120182704U CN215019740U CN 215019740 U CN215019740 U CN 215019740U CN 202120182704 U CN202120182704 U CN 202120182704U CN 215019740 U CN215019740 U CN 215019740U
- Authority
- CN
- China
- Prior art keywords
- prosthesis
- humerus
- rotator cuff
- false body
- holes
- 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
Links
- 210000002758 humerus Anatomy 0.000 title claims abstract description 33
- 210000000513 rotator cuff Anatomy 0.000 claims abstract description 22
- 230000008468 bone growth Effects 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 210000000988 bone and bone Anatomy 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 9
- 210000004095 humeral head Anatomy 0.000 abstract description 5
- 230000012010 growth Effects 0.000 abstract description 4
- 230000035876 healing Effects 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 2
- 210000002435 tendon Anatomy 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 210000000323 shoulder joint Anatomy 0.000 description 2
- 208000024288 Rotator Cuff injury Diseases 0.000 description 1
- 206010039227 Rotator cuff syndrome Diseases 0.000 description 1
- 206010003246 arthritis Diseases 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000009092 tissue dysfunction Effects 0.000 description 1
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- Prostheses (AREA)
Abstract
The utility model discloses a humerus false body, including humerus head false body, false body handle and rivet, the humerus false body is hemispherical, including sphere and cross-section, the humerus head false body is connected for connecting the neck to false body handle upper end, and the lower extreme narrows down gradually and is the toper, connects to set up on the neck and connects face, terrace with edge and side opening, and the inclined plane sets up the shoulder sleeve fixed orifices under the terrace with edge. The utility model discloses use the rivet to fix a position the suture and reinforce the fixed to the rotator cuff in the rotator cuff fixed orifices, avoid traditional mode net, the fixed effect of pocket not good, easily cause the problem of sequelae, fix with rivet does not need the bone to resume the patient in the early stage also can move about, the function can not be stiff, and even the later stage bone does not have the growth to absorb, fixed strength is enough to support the patient and lifts the arm. The spherical surface of the humeral head prosthesis is provided with the bone growth coating, so that the growth and healing of bones can be promoted after the prosthesis is placed, and the recovery of the activity function of a patient is facilitated.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to humerus prosthesis.
Background
Shoulder arthritis, humeral head necrosis and humeral head fracture are common shoulder joint orthopedic diseases, and shoulder joint replacement needs to be carried out by using a humeral prosthesis. The humeral prosthesis can be used for problems such as peripheral soft tissue dysfunction, rotator cuff dysfunction or loss, and can provide good fixation to rotator cuff injury. However, the humeral ladder is fixed only by covering and covering the rotator cuff with a string, the recovery effect after the operation is poor, the bone growth capability of the old patient is poor, and the conventional humeral prosthesis fixing mode cannot enable the patient to recover the normal activity function. It is therefore desirable to design a humeral prosthesis that enhances fixation and promotes bone growth.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned problem, designed a humerus false body.
In order to solve the above technical problem and achieve the above technical effect, the utility model discloses a following technical content realizes:
a humeral prosthesis comprising a humeral head prosthesis, a prosthesis stem, and a rivet, the humeral head prosthesis being detachably connected with the prosthesis stem; the upper end of the prosthesis handle is a connecting neck, the lower end of the prosthesis handle is gradually narrowed to be conical, the front end of the connecting neck is a circular connecting surface, two sides of the connecting neck are flattened, and the rear end of the connecting neck is an upper inclined plane and a lower inclined plane which are formed by prismatic tables; a straight hole is formed in the connecting surface, and a rubber snap ring is arranged on the outer side of the straight hole; the two sides of the connecting neck are provided with side holes, the lower inclined plane at the rear end of the connecting neck is provided with two horizontally arranged rotator cuff fixing holes, and the rivets are matched with the rotator cuff fixing holes; the humerus prosthesis is hemispherical and comprises a spherical surface and a cross section, a convex column is arranged on the cross section and is in threaded connection with a straight hole on a connecting surface, and a clamping groove corresponding to the rubber snap ring is formed in the outer side of the convex column.
Furthermore, the shoulder sleeve fixing holes and the horizontal plane are inclined downwards at an included angle of 40-50 degrees, and the side holes are horizontally arranged.
Furthermore, the side holes and the rotator cuff fixing holes are threaded holes, and the diameters of the side holes and the rotator cuff fixing holes are 2.5-5.5 mm.
Further, a bone growth coating is sprayed on the spherical surface.
The utility model has the advantages that:
(1) the utility model discloses set up the raglan sleeve fixed orifices, use the rivet to fix a position the suture and strengthen the fixed to the raglan sleeve in the raglan sleeve fixed orifices, avoid traditional mode net, the fixed effect of pocket not good, easily cause the problem of sequelae. Use the fix with rivet early not need the bone to resume the patient also can move about, the function can not be stiff, and even the later stage bone does not grow to absorb, the fixed strength also enough supports the patient and lifts the arm, makes things convenient for further operation to provide pulling force with bad bone and sound bone connection simultaneously and resumes patient's activity function.
(2) The utility model discloses set up bone growth coating on humerus head false body sphere, can promote the growth healing of bone after the artificial limb is put into, be favorable to patient's activity function to resume.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic overall structure of a humerus prosthesis;
fig. 2 is a schematic view of the connection structure of the humeral prosthesis.
In the drawings, the components represented by the respective reference numerals are listed below:
1-humeral head prosthesis, 11-spherical surface, 12-section, 121-convex column, 122-neck, 2-prosthesis handle, 21-connecting surface, 211-straight hole, 212-rubber snap ring, 22-upper inclined surface, 23-lower inclined surface, 231-rotator cuff fixing hole, 24-side hole, 241-suture through hole and 3-rivet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Examples
Referring to fig. 1-2, a humerus prosthesis comprises a humerus head prosthesis 1 for replacing a humerus head, a prosthesis stem 2 fixed to the humerus stem, and a rivet 3 for fixing a connecting wire, wherein the humerus head prosthesis 1 is detachably connected to the prosthesis stem 2, and humerus head prostheses 1 of different sizes can be selected as required; the upper end of the prosthesis handle 2 is a connecting neck which can be connected with the humerus head prosthesis 1, the lower end of the prosthesis handle is gradually narrowed to be conical and can be fixed in the humerus shaft, the front end of the connecting neck is a round connecting surface 21, two sides of the connecting neck are flattened, and the rear end of the connecting neck is an upper inclined surface 22 and a lower inclined surface 23 which are formed by a prismoid; a straight hole 211 is formed in the connecting surface 21, and a rubber snap ring 212 is arranged outside the straight hole; the two sides of the connecting neck are provided with side holes 24 which are convenient for suturing, fixing and detecting rotator cuff tendons and infraspinatus tendons, the lower inclined surface 23 at the rear end of the connecting neck is provided with a rotator cuff fixing hole 231 for strengthening rotator cuff fixing force, the rotator cuff fixing hole 231 and the horizontal plane are inclined downwards to form an included angle of 40-50 degrees so as to be convenient for fixing a suture line, the side holes are horizontally arranged, the suture through hole 241 and the rotator cuff fixing hole 231 are threaded holes, the diameter of the suture through hole is 2.5-5.5mm, and the rivet 3 is matched with the rotator cuff fixing hole 231 and the side holes 24, so that the rivet 3 can position the line in the rotator cuff fixing hole 231 to strengthen the fixation of the rotator cuff, and the problem of poor fixing effect of a net and a bag in the traditional mode is solved; humerus prosthesis is hemispherical, including sphere 11 and cross-section 12, set up on the cross-section 12 projection 121 and be connected the straight hole 211 threaded connection on the face 21, the projection outside is provided with the draw-in groove 122 reinforcing fixed strength who corresponds with the rubber snap ring, avoids the not hard up gyration of thread tightening, spraying bone growth coating can promote the growth healing of bone on sphere 11, is favorable to patient's moving function to resume.
The utility model discloses application during the use does:
when the humerus head fracture measuring device is used, a humerus head fracture block is removed, a greater tuberosity of a humerus is retracted by using a suture, the free humerus head fracture block between a large knot and a small knot is removed, the cambered surface diameter of the humerus head fracture block is measured, a humerus head prosthesis 1 with a matched size is selected, a humerus stem reaming marrow is inserted into a prosthesis handle 2, the humerus head prosthesis 1 is connected with the prosthesis handle 2, a hole is drilled in the humerus stem, a nonabsorbable braided wire penetrates through the hole and is connected with a suturing through hole 241 to suture a rotator cuff tendon and an infraspinatus, and the suture is positioned in a rotator cuff fixing hole 231 by using a rivet 3.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. A humeral prosthesis comprising a humeral prosthesis body, characterized in that: the humerus prosthesis body comprises a humerus head prosthesis, a prosthesis handle and a rivet, and the humerus head prosthesis is detachably connected with the prosthesis handle;
the upper end of the prosthesis handle is a connecting neck, the lower end of the prosthesis handle is gradually narrowed to be conical, the front end of the connecting neck is a circular connecting surface, two sides of the connecting neck are flattened, the rear end of the connecting neck is an upper inclined surface and a lower inclined surface which are formed by prismoids, a straight hole is formed in the connecting surface, and a rubber snap ring is arranged on the outer side of the straight hole; the two sides of the connecting neck are provided with side holes, the lower inclined plane at the rear end of the connecting neck is provided with two horizontally arranged rotator cuff fixing holes, and the rivets are matched with the rotator cuff fixing holes;
the humerus prosthesis is hemispherical and comprises a spherical surface and a cross section, a convex column is arranged on the cross section and is in threaded connection with a straight hole on a connecting surface, and a clamping groove corresponding to the rubber snap ring is formed in the outer side of the convex column.
2. The humeral prosthesis of claim 1, wherein: the shoulder sleeve fixing holes and the horizontal plane are inclined downwards at an included angle of 40-50 degrees, and the side holes are horizontally arranged.
3. The humeral prosthesis of claim 1, wherein: the side holes and the rotator cuff fixing holes are threaded holes, and the diameters of the side holes and the rotator cuff fixing holes are 2.5-5.5 mm.
4. The humeral prosthesis of claim 1, wherein: and a bone growth coating is sprayed on the spherical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120182704.0U CN215019740U (en) | 2021-01-22 | 2021-01-22 | Humerus prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120182704.0U CN215019740U (en) | 2021-01-22 | 2021-01-22 | Humerus prosthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215019740U true CN215019740U (en) | 2021-12-07 |
Family
ID=79252225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120182704.0U Expired - Fee Related CN215019740U (en) | 2021-01-22 | 2021-01-22 | Humerus prosthesis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215019740U (en) |
-
2021
- 2021-01-22 CN CN202120182704.0U patent/CN215019740U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |