CN104622616B - Mallet finger deformity corrector and special operation tool thereof - Google Patents
Mallet finger deformity corrector and special operation tool thereof Download PDFInfo
- Publication number
- CN104622616B CN104622616B CN201510069808.XA CN201510069808A CN104622616B CN 104622616 B CN104622616 B CN 104622616B CN 201510069808 A CN201510069808 A CN 201510069808A CN 104622616 B CN104622616 B CN 104622616B
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- Prior art keywords
- magnet
- mallet finger
- straight
- finger deformity
- bar
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- 206010061156 Finger deformity Diseases 0.000 title claims abstract description 34
- 230000000694 effects Effects 0.000 claims description 26
- 238000002513 implantation Methods 0.000 claims description 12
- 239000000696 magnetic material Substances 0.000 claims description 5
- 230000035699 permeability Effects 0.000 claims description 3
- 206010067268 Post procedural infection Diseases 0.000 abstract description 2
- 231100000429 cutaneous necrosis Toxicity 0.000 abstract 1
- 230000005389 magnetism Effects 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 210000002435 tendon Anatomy 0.000 description 16
- 238000013459 approach Methods 0.000 description 5
- 210000000988 bone and bone Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000002733 dermonecrotic effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005714 functional activity Effects 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 208000011708 Avulsion fracture Diseases 0.000 description 1
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 210000001145 finger joint Anatomy 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000002789 length control Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
Abstract
The invention discloses a mallet finger deformity corrector and a special operation tool thereof. The mallet finger deformity corrector is composed of a first magnet body and a second magnet body; the first magnet body and the second magnet body are respectively provided with an acting end and an implanting end; the acting end of the first magnet body has the same magnetism as the acting end of the second magnet body. The mallet finger deformity corrector has a series of advantages of being convenient to operate, small in wound, quick in patient's function recovery, and low ratio of postoperative infection and cutaneous necrosis.
Description
Technical field
The invention belongs to technical field of medical instruments, it is related to a kind of mallet finger deformity rectifier and its special operating tool.
Background technology
Mallet-finger (Mallet Finger) is also called baseball finger mallet finger (Baseball Finger), refers to that finger extensor tendon exists
The fracture of stop vicinity, phalangette can not be stretched, and often merge the avulsion fracture of phalangette dorsal part.Mallet finger deformity is divided into
Two types, bone mallet finger deformity and tendon mallet finger deformity.
Therapeutic effect currently for tendon mallet finger deformity is dissatisfied, and treatment method has dispute.Current treatment
Including expectant treatment and operative treatment two ways.Generally we first attempt to expectant treatment, using brace fixed finger joint,
But be easier to tendon disunion occur, there is high recurrence rate, wear for a long time brace sense of discomfort and to daily life not
Just cause patient compliance poor.Additionally, being more difficult to reach satisfied effect to Repair of Chronic Mallet Finger Deformity expectant treatment.Traditional
Operative treatment includes directly suturing, band button tendon suture, the method, these traditional surgical approaches such as holdfast extensor tendon stop reconstruction
Finger dorsal part approach is all used, its shortcoming and complication include：Extensor tendon distal end tendon stop is too short, leads to not directly seam
Close, fixed failure；Necrosis and knot reaction caused by finger dorsal skin is relatively thin, the fortune destruction infection of incisional wound of local skin blood, art
After need to aid in for a long time the fixed braking cause anchylosis；Extensor tendon is higher to length control requirement, crosses the suture of hightension
Finger can be caused to stretch stiff, flexing is limited；Extensor tendon it is long (>1mm, is common in tendon grafting reconstruction) can cause tension force under
Drop, stretches finger powerless.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of mallet finger deformity rectifier, to overcome prior art to exist
Deficiency.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that：
A kind of mallet finger deformity rectifier, it is characterised in that：It is made up of the first magnet and the second magnet, first magnet
With the magnetic that the second magnet is respectively provided with effect end and implantation end, the effect end of first magnet and the effect end of second magnet
Property is identical.
First magnet and the second magnet are permanent magnet.There is bayonet socket on the end face at the effect end.
The implantation end has spiral circle cone structure.
The effect end is cylindrical structure.
A diameter of 3mm or 4mm of first magnet and the second magnet, are highly 5mm, the length of spiral circle cone structure
Account for the 50% of the first magnet or the second magnet height.
The bayonet socket is equally distributed on the end face edge at the effect end, and the bayonet socket is shaped as semicircle or triangle
Shape.
Using above-mentioned technical proposal, easy a pair of magnets of the rectifier reliably can be implanted into phalanges privileged site, produced
The mutually exclusive magnetic force of life, carries out releveling, when musculus flexor profundus tendon loosens, in mutually exclusive magnetic force to finger tendon
Under effect, finger recovers straight configuration automatically, when flexor tendons are nervous, can resist magnetic force and do active flex, so as to reach
Outward appearance and the functionally effect of replacement extensor tendon.Because the soft tissue of palmar is thicker, blood fortune is abundant, it is not necessary to dorsal part extensor tendon
Stop carries out any operation technique, therefore POI and dermonecrotic probability are substantially reduced, and without the sorrow of knot reaction.It is postoperative
Any auxiliary braking need not be carried out, patient can at once carry out daily functional activity, and the functional activity of early stage can prevent joint from gluing
It is even stiff.
Therefore, mallet finger deformity rectifier of the invention has that facilitating operation, wound be small, patient's functional rehabilitation is fast and postoperative
Infection and the low series of advantages of dermonecrotic probability.
In addition, the present invention also provides a kind of special operating tool of mallet finger deformity rectifier, it is characterised in that：Including hand
Handle, the straight-bar being connected in front of handle and the sleeve that be set on straight-bar and can be slided on straight-bar, the straight-bar are led using non-
Magnetic material is made, and the sleeve is made using permeability magnetic material, the termination of the straight-bar have can with first magnet and
The end face at the effect end of the second magnet coordinates the end face of contact.
The termination of the straight-bar has the dop being adapted to the end face upper latch notch at the effect end.
Using above-mentioned technical proposal, that the special operating tool has is convenient, accurately rectifier is operated
Advantage.
Brief description of the drawings
The present invention is described in detail with reference to the accompanying drawings and detailed description：
Fig. 1 is the structural representation of mallet finger deformity rectifier of the invention；
Fig. 2 is another bayonet arrangement schematic diagram；
Fig. 3 is mallet finger deformity rectifier implantation phalanges position front view；
Fig. 4 is mallet finger deformity rectifier implantation phalanges position side view；
Fig. 5 is the structural representation of special operating tool；
Fig. 6 is the occupation mode schematic diagram of special operating tool.
Specific embodiment
As shown in figure 1, mallet finger deformity rectifier of the invention, is made up of a pair of magnets, i.e. the first magnet 100 and second
Magnet 200, the magnet 200 of the first magnet 100 and second is permanent magnet, is respectively provided with effect end 300 and implantation end 400.First
The effect end of magnet 100 is identical with the magnetic at the effect end of the second magnet 200.
First magnet 100 and the second magnet 200 are same shape, structure, and whole height is 5mm, and effect end 300 is cylinder
Body structure, a diameter of 3mm or 4mm.Implantation end 400 has spiral circle cone structure, and the length of spiral circle cone structure accounts for first
The 50% of magnet or the second magnet height.Such structure, bone hold is strong, its implantation or convenient to remove and such
Structure is low to strength of materials requirement, can to greatest extent retain magnet volume, reduces magnetic force loss.
Three bayonet sockets 301 are also equidistantly offered at the edge of the end face at effect end 300, dedicated operations work can be so utilized
Have to facilitate and magnet is implanted into patient's phalanges, and hold is strong, is difficult to skid or comes off, and retains magnet to greatest extent
The area at end is acted on, magnetic force loss is reduced.As illustrated, the bayonet socket 301 can be semicircle or triangle (such as Fig. 2 institutes
Show).
It is exactly above mallet finger deformity rectifier of the invention, with reference to shown in Fig. 3-4, operation method is：
(1) operative approach：Finger far saves interphalangeal joint (DIP) palmar and refers to band operative approach, natural body surface symbol, easily
It is determined that, otch is hidden, damages small, is difficult to form scar, and functional rehabilitation is good.
(2) implanted prosthetics：Under guide pin guiding bone tunnel is set up in distal phalanx palmar substrate and middle phalanx palmar distal end
Road, makes osseous tunnel in same middle axial plane, and, near-end implant axis remote when DIP is stretched is into 80 ± 10 degree of angles.In this way, in DIP
Flexing is close to obtaining bilateral permanent magnet bottom maximum corresponding area (maximum repulsive force) at 90 degree.
Had the following advantages that using mallet finger deformity rectifier formulation mallet finger deformity correction：
(1) minimally invasive (mini invasive)：Volar approach, the small otch of digital tip palmar 5-10mm can complete operation,
Patient acceptance is high.
(2) implant occurs to loosen and extraction probability is low.
(3) it is postoperative both can early ambulant, it is to avoid anchylosis.
(4) implantation end uses cone helical design, and bone hold is strong, its implantation or convenient to remove, to the strength of materials
It is required that it is low, and retain magnet volume to greatest extent, reduce magnetic force loss.
(5) effect end uses bikini bayonet arrangement, and the special operating tool being matched therewith is used, and hold is strong, no
Easily skid and come off, and retain magnet tail area to greatest extent, reduce magnetic force loss.
In addition, as shown in figure 5, the present invention also provides a kind of special operating tool of mallet finger deformity rectifier, this is special
Operation instrument includes handle 501, is connected to the straight-bar 502 in the front of handle 501 and is set on straight-bar 501 and can be in straight-bar 502
The sleeve 503 of upper slip.Wherein, straight-bar 502 is made using non-permeable material, and sleeve 503 is made using permeability magnetic material, straight-bar
502 termination has can coordinate the end face for contacting with the end face at effect end 300.I.e. the end face of straight-bar 502 has and bayonet socket 301
3 dops 504 of location and shape matching, accordingly, the dop 504 can be triangle or semicircle.In addition, in sleeve
503 end has hand-held disk 505.
Shown in Fig. 5 combinations Fig. 6, the special operating tool when in use, sleeve 503 is first moved to the termination position of straight-bar 502
Put, then the first magnet 100 or the second magnet 200 are placed on the termination of straight-bar 502, the embeddeding action of dop 504 of straight-bar 502
In the bayonet socket 301 at end 300, due to the absorption of sleeve 503, the first magnet 100 or the second magnet 200 will not fall from straight-bar 502
Fall, thus the first magnet 100 or the second magnet 200 easily can be accurately placed surgery location.Then
The first magnet 100 and the second magnet 200 are slowly rotatably implanted into phalanges using special operating tool.After Deng implantation in place,
Sleeve 503 is first removed the termination of straight-bar 502, so, the first magnet 100 and the second magnet 200 would not be inhaled by sleeve 503
Attached, at this moment special operating tool is removed from the first magnet 100 or the second magnet 200 would not be by the first magnet 100 or the
Two magnets 200 are taken out of from phalanges.
In addition, it is necessary to when the first magnet 100 or the second magnet 200 are taken out from phalanges, using the set of special operating tool
Cylinder 503 can facilitate the first magnet 100 and the second magnet 200 are adsorbed and extracted.
It can be seen that, the special operating tool has the advantages that to be operated conveniently, accurately to rectifier.
The above, is only presently preferred embodiments of the present invention, and any formal limitation, Ren Hesuo are not made to the present invention
Have usually intellectual in category technical field, if not departing from scope of the claims proposed by the invention, utilize
The local Equivalent embodiments for changing or modifying done by disclosed technology contents, and without departing from skill of the invention
Art feature, still belongs in the range of the technology of the present invention feature.
Claims (9)
1. a kind of mallet finger deformity rectifier, it is characterised in that：Be made up of the first magnet and the second magnet, first magnet and
Second magnet is respectively provided with the magnetic at effect end and implantation end, the effect end of first magnet and the effect end of second magnet
It is identical.
2. mallet finger deformity rectifier according to claim 1, it is characterised in that：First magnet and the second magnet are equal
It is permanent magnet.
3. mallet finger deformity rectifier according to claim 1 and 2, it is characterised in that：First magnet and the second magnetic
There is bayonet socket on the end face at the effect end of body.
4. mallet finger deformity rectifier according to claim 1 and 2, it is characterised in that：First magnet and the second magnetic
The implantation end of body is spiral circle cone structure.
5. mallet finger deformity rectifier according to claim 1 and 2, it is characterised in that：First magnet and the second magnetic
The effect end of body is cylindrical structure.
6. mallet finger deformity rectifier according to claim 4, it is characterised in that：First magnet and the second magnet
A diameter of 3mm or 4mm, is highly 5mm, and the length of spiral circle cone structure accounts for the 50% of the first magnet or the second magnet height.
7. mallet finger deformity rectifier according to claim 3, it is characterised in that：The bayonet socket is equally distributed on described
The end face edge at the effect end of one magnet and the second magnet, the bayonet socket is shaped as semicircle or triangle.
8. a kind of special operating tool of mallet finger deformity rectifier as claimed in claim 1, it is characterised in that：Including hand
Handle, the straight-bar being connected in front of handle and the sleeve that be set on straight-bar and can be slided on straight-bar, the straight-bar are led using non-
Magnetic material is made, and the sleeve is made using permeability magnetic material, and the termination of the straight-bar has can be with the first magnet and second
The end face at the effect end of magnet coordinates the end face of contact.
9. the special operating tool of mallet finger deformity rectifier according to claim 8, it is characterised in that：The straight-bar
Termination has the dop being adapted to the end face upper latch notch of first magnet and the effect end of the second magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510069808.XA CN104622616B (en) | 2015-02-10 | 2015-02-10 | Mallet finger deformity corrector and special operation tool thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510069808.XA CN104622616B (en) | 2015-02-10 | 2015-02-10 | Mallet finger deformity corrector and special operation tool thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104622616A CN104622616A (en) | 2015-05-20 |
| CN104622616B true CN104622616B (en) | 2017-05-24 |
Family
ID=53202196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510069808.XA Expired - Fee Related CN104622616B (en) | 2015-02-10 | 2015-02-10 | Mallet finger deformity corrector and special operation tool thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104622616B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6387096B1 (en) * | 2000-06-13 | 2002-05-14 | Edward R. Hyde, Jr. | Magnetic array implant and method of treating adjacent bone portions |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101175452A (en) * | 2004-03-25 | 2008-05-07 | 迪罗奥赛设计有限公司 | Orthodontic appliance and orthodontic method |
| US20050251080A1 (en) * | 2004-05-06 | 2005-11-10 | Hyde Edward R Jr | Magnetic vector control system |
| US8556797B2 (en) * | 2008-07-31 | 2013-10-15 | Ethicon, Inc. | Magnetic implants for treating obstructive sleep apnea and methods therefor |
| WO2010106507A2 (en) * | 2009-03-17 | 2010-09-23 | Mor Research Applications Ltd | Hallux abducto valgus assemblies |
| CN102210606B (en) * | 2010-08-03 | 2013-01-23 | 吉林大学 | Implant for treating old mallet finger deformity |
| CN103127614B (en) * | 2011-11-24 | 2015-07-01 | 河海大学 | Leg shape correcting device |
| CN204468382U (en) * | 2015-02-10 | 2015-07-15 | 容可 | A kind of mallet finger deformity appliance and special operating tool thereof |
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2015
- 2015-02-10 CN CN201510069808.XA patent/CN104622616B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6387096B1 (en) * | 2000-06-13 | 2002-05-14 | Edward R. Hyde, Jr. | Magnetic array implant and method of treating adjacent bone portions |
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| CN104622616A (en) | 2015-05-20 |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170414 Address after: 201199 Shanghai city Minhang District road 711 Lane Shuying Room 501 No. 17 Applicant after: Rong Ke Applicant after: Wu Xuhua Applicant after: CENTRAL HOSPITAL OF MINHANG DISTRICT, SHANGHAI Address before: 201199 Shanghai city Minhang District road 711 Lane Shuying Room 501 No. 17 Applicant before: Rong Ke Applicant before: Wu Xuhua |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20170524 |