CN103006277B - Tendon taking machine - Google Patents
Tendon taking machine Download PDFInfo
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- CN103006277B CN103006277B CN201310005044.9A CN201310005044A CN103006277B CN 103006277 B CN103006277 B CN 103006277B CN 201310005044 A CN201310005044 A CN 201310005044A CN 103006277 B CN103006277 B CN 103006277B
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Abstract
The invention discloses a tendon taking machine which comprises a machine head, a rod body and a metal wire. The machine head is provided with a cylindrical through hole; one end of the through hole is a separation hole, and the other end of the through hole is a release hole provided with a groove on the end surface. The rod body is a hollow rod; one end of the hollow rod is fixed on the machine head, and the other end of the hollow rod extends in the direction parallel to the axial direction of the through hole and is an opening end; and a wire penetrating hole is formed on one side of the hollow rod facing the groove. After being bent, a bent part of the metal wire penetrates outside the wire penetrating hole from the opening end to form a metal wire arch with a central angle more than 270 degrees, or surrounds for at least one circle to form a metal wire ring; the metal wire arch or the metal wire ring is accommodated in the groove; and the two bent ends are exposed outside the opening end. The tendon taking machine has the advantage that tendons to be taken are cut off safely and effectively by using the metal wire cutting principle to totally avoid the high risk of accidental cutting off the tendons and hurting nervus vascularis at midway caused by cutting off the tendons through the sharp edge cutting principle in the traditional tendon taking machines.
Description
Technical field
The tendon that the present invention relates to a kind of technical field of medical instruments is extracted device, relate in particular to one and can be used for orthopaedics, department of plastic surgery and Department of B urn, be mainly used in bone surgery Wicresoft and extract gracilis, semitendinosus m. and sole of the foot flesh, carry out the diseases such as autologous tendon transplantation reconstruction of knee disruption of the anterior and posterior cruciate ligaments, inside and outside collateral ligament trauma, rupture of patellar tendon, kneecap thigh ligament injury and the rupture of Achilles tendon of contracture type ligament reconstruction get tendon device.
Background technology
In the patient of clinical orthopaedics athletic injury or traffic accident violence wound, violence causes knee joint to reverse generation significant shear power and pulling force, there is the single or many ligament rapture of knee joint, as: knee joint disruption of the anterior and posterior cruciate ligaments, inside and outside collateral ligament break, rupture of patellar tendon; Aspect heel string, directly or indirectly violence meeting causes rupture of Achilles tendon, if fracture is not cured in time completely, fracture two ends can produce contracture; In developmental character disease, the kneecap thigh ligament injury causing as patellofemoral joint disease or wound.These diseases all need autologous or Tendon allograft to carry out the seriality of operative reconstruction ligament or tendon above.The first step of autologous tendon ligament is extracted gracilis with getting tendon device exactly, semitendinosus m. or sole of the foot flesh, on medical market, the whole world, existing autologous tendon is got tendon device, all to utilize the sharp edge on the oval oblique section of its release aperture to cut off tendon, but in operation process, just because of there is this very sharp sharp edge, use very risky, connect the provincial orthopaedics arthroscopic techniques leader who has use experience and technology most, while extracting tendon, all likely tremble because of hands, run into tendon foot, adhesion of tendon, when propelling, resistance is excessive or withdraw unintentionally, cause cutting off tendon from tendon middle part, can only take out the tendon of half, there is no the tendon of sufficient length, result is that operation is in just failure of the first step, subsequent procedures step cannot be carried out.For the chief physician of the common City Hospitals in place, get because fear tradition the huge professional risk that tendon device brings, great majority all dare not attempt taking from body tendon, can only buy allogeneic tendon, not only Ao Gui very of allosome tendon, but also very rare, result has caused above high level operation all cannot routine to be carried out in numerous hospitals, a lot of patients are forced to transfer from one hospital to another or are timid in the costliness of allosome tendon, and abandoning cure or delay treatment, the disability rate in joint is increased, step into ahead of time traumatic arthritis or osteoarthritis, make DB, increase family and social burden.
Summary of the invention
The object of the invention is in view of the operation principle that tradition is got tendon device be to utilize the sharp edge of the oblique section of getting tendon device release aperture to cut off tendon, except bringing above huge operation risk, outside Doctors ' Occupational risk and social adverse effect, the apparatus of any sharp edge uses under non-direct-view, all have injured blood vessel nerve possible, thereby provide one to get tendon device, it utilizes fine wire incision principle to carry out line cutting tendon, not bringing any sharp edge into enters in body, thoroughly solve tradition and got the huge operation risk that tendon device brings, under non-direct-view, can arbitrarily advance and retreat in vivo, an even Undergraduate Practice doctor, also can take out safely tendon.
The present invention is achieved in that one gets tendon device, and it comprises: device head, and it offers cylindrical hole, and one end of this cylindrical hole is defined as sorting hole, and this sorting hole lateral wall circle is blunt, and the other end of this cylindrical hole is defined as release aperture; The body of rod, its one end is fixed on this device head, and its other end extends along the axis direction that is parallel to this cylindrical hole;
Wherein, this cylindrical hole is cylindrical and make the transverse cross-section parallel of this release aperture in the cross section of this sorting hole; In this device head, have on the end face of this release aperture and offer groove; This body of rod is hollow stem, and one end of this hollow stem is opening, and the other end of this hollow stem is fixed on this device head, and this hollow stem offers wire hole towards a side of this groove;
This is got tendon device and also comprises: tinsel, kink after its bending passes from this wire hole via the opening of this hollow stem, and forming central angle is greater than the tinsel arc of 270 degree or forms wire rings around at least one circle, this tinsel arc or this wire rings are housed in this groove in the time not using, when use, depart from this groove and utilize line incision principle to cut off tendon to be got, the two after this tinsel bending is emerging in outside this opening.
Preferably, this tinsel is the molybdenum filament of diameter 0.18mm.
Preferably, offer at least one suture hole on the sidewall of this device head, this tinsel arc or this wire rings are bundled at least one suture hole by least one cotton thread is housed in this groove this tinsel arc or the suspension of this wire rings.
Preferably, this is got tendon device and also comprises two pull bars, and these two pull bars are separately fixed at this two ends wiry.
Again preferably, this is got tendon device and also comprises lever, and this lever is fixed on one end that this hollow stem has this opening.
More preferably, on the sidewall of this lever, offer two host cavities of accommodating respectively these two pull bars.
Further, this is got tendon device and also comprises tiger's jaw sheet, and this tiger's jaw sheet is placed on this hollow stem, and is fixed on this lever on one end of this device head.
Particularly, on this lever, also offer for tinsel linear cuts that pass through and parallel with this hollow stem and two linear accepting grooves that are oppositely arranged, two linear accepting grooves are positioned on the extended line of this linear cuts, this tiger's jaw sheet is provided with two and fastens line stake, and these two to fasten line stake in the same plane with these two linear cuts respectively.
Further, these two host cavities are oppositely arranged on the relative both sides of this lever, and this linear cuts is through two host cavities.
Preferably, on the outer wall of this hollow stem, be provided with rule.
Compared with prior art, the tendon device of getting of the present invention no longer there will be tradition to get the such sharp edge of tendon device, thereby can not cut off tendon midway, causes operative failure; More can unexpected injured blood vessel and nerve.When tendon device is got in propelling, even if meet obstructions and tendon foot, also Safe withdrawing is got tendon device at any time, then again advances and gets tendon device.In addition, tendon device is got in disposable use, in the reusable sterilization repeatedly of getting tendon device of having saved invention same period of the present invention and art, needs extra assistant to wear trouble wiry, shortens operating time.
In addition, the tendon device of getting of the present invention can be disposable devoid of risk and gets tendon device and saved the trouble of wearing tinsel and threading fixing metal silk in art, save valuable operating time, effectively alleviated medical worker's work load, be suitable for the heavy city-level of operation irregularity and use with the doctor who goes to the hospital.If input medical market, will promote the popularization of above high level bone surgery at basic hospital effectively, save more patients' health, greatly reduce disability rate.
Brief description of the drawings
The structural representation of getting tendon device that Fig. 1 provides for preferred embodiments of the present invention.
Fig. 2 is the part province sketch map in Fig. 1.
Main symbol description: device head 1, sorting hole 2, release aperture 3, suture hole 4, tinsel arc 5, groove 6, wire hole 7, the body of rod 8, tiger's jaw sheet 9, fasten line stake 10, lever 11, pull bar 12, linear accepting groove 13, linear cuts 14, host cavity 15, tinsel 16, opening 17.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
See also Fig. 1 and Fig. 2, it gets tendon device structural representation for what preferred embodiments of the present invention provided.This is got tendon device and comprises device head 1, tinsel 16, the body of rod 8, tiger's jaw sheet 9 and lever 11.
Device head 1 offers cylindrical hole, and one end of this cylindrical hole is defined as sorting hole 2, and this sorting hole 2 lateral walls circles are blunt, and one end of this cylindrical hole is defined as release aperture 3, has on the end face of this release aperture 3 and offer groove 6 in this device head 1.
The body of rod 8 is hollow stem, and its one end is fixed on this device head 1, and its other end is along being parallel to the axis direction extension of this cylindrical hole and being opening 17, and this hollow stem offers wire hole 7 towards a side of this groove 6.
Kink after tinsel 16 bendings passes from this wire hole 7 via the opening 17 of this hollow stem, and forming central angle is greater than the tinsel arc of 270 degree or forms wire rings around at least one circle, elect in the present embodiment tinsel arc 5 as, this is best, use more convenient, this tinsel arc 5 is housed in this groove 6, and the two after its bending is emerging in outside this opening 17.A pull bar 12 can be bound respectively in two after bending.
Tinsel arc 5 can be fixed in this groove 6 by medical science viscose, but everyone absorbability difference is harmful after all in addition, therefore preferably adopt medical science cotton thread, when operation stitching, especially people's cavity operation, conventionally need to use cotton thread, cotton thread can be absorbed by the body and without harm.Therefore, can offer at least one suture hole 4 on the sidewall of this device head 1, in the present embodiment, the quantity in suture hole 4 is 4 and is evenly distributed on the sidewall of this device head 1.This tinsel arc 5 is bundled in corresponding suture hole 4 by four cotton thread (not shown) is housed in this groove 6 these tinsel arc 5 suspensions.
Incorporated by reference to Fig. 2, this lever 11 is fixed on one end that this hollow stem has this opening 17.Tiger's jaw sheet 9 is placed on this hollow stem, and is fixed on this lever 11 on one end of this device head 1.On the sidewall of this lever 11, can offer two host cavities 15 of accommodating respectively these two pull bars 12, be convenient to like this settle two pull bars 12, host cavity 15 is oppositely arranged on the relative both sides of this lever 11 as far as possible, is symmetric.
On this lever 11, also offer for that pass through and parallel with this hollow stem linear cuts 14 and two the linear accepting grooves 13 that are oppositely arranged of tinsel 16, this linear cuts 14 is through two host cavities 15.Two linear accepting grooves 13 are positioned on the extended line of this linear cuts 14.This tiger's jaw sheet 9 is provided with two and fastens line stake 10, and these two to fasten line stake 10 in the same plane with these two linear cuts 14 respectively.
Of the present inventionly get tendon device in use, by in the sorting hole 2 of the device head 1 of tendon treating the preponderant disease instead of the secondary disease tendon device to be intercepted, by small vessel forceps pull-out release aperture 3 and tinsel arc 5, the hand-held lever 11 of patient, under non-direct-view, get tendon device along subcutaneous propelling, read the scale on the hollow stem of getting tendon device, while reaching satisfied length, open the plastic tie 12 of lever 11 two sides of getting tendon device, carefully plastic tie 12 and tinsel 16 are taken off, left hand is held lever 11, right hand pulling plug has two plastic tie 12 of tinsel 16, just can easily tendon to be got be utilized line incision principle to cut off, then exit the tendon of getting tendon device and having cut, also can hold lever 11 by an assistant, patient's two handss are respectively held a plastic tie 12, pull back and forth sawed-off tendon.
In the present embodiment, the device head 1 of getting tendon device adopts 316L material rustless steel to make, and the band scale hollow stem made from same material welds together, sorting hole 2 both sides outer wall polishing circles are blunt, are convenient to separate tendon, tinsel 16 (preferably 0.18mm line cutting molybdenum filament) two tail ends are penetrated to hollow stem by wire hole 7, go out after lever 11 ends, fasten solid with plastic tie 12 stage casings respectively, in Fig. 2, longitudinal incision 14 top opisthotonos are upwards at the two ends of tinsel 16, being close to tinsel settles shallow slot (being linear accepting groove 13) to hide after several circles fastening in line stake 10, caudad turn back, (when surgeon use, only need in host cavity 15, pluck out plastic tie 12 with common the embedding in plastic tie arrangement shallow slot (being host cavity 15) of plastic tie 12, and along untiing tinsel 16 in the other direction).In Fig. 1, need be by the careful tinsel arc 5 tinsel annular groove 6 embedding with tinsel 16 diameters left and right, and pass ordinary suture hole 4 with general surgery suture, tinsel arc 5 is fixed in groove 6.
The tendon device of getting of the present invention is by adopting different materials can make the disposable or reusable tendon device of getting, and prominent features of the present invention is as follows:
1, in principle: successfully line cutting mode has been substituted to sharp edge cutting mode.Previously traditional principle of getting tendon device is to utilize the sharp edge in the release aperture of getting tendon device to cut off tendon, and the subcutaneous use of sharp edge under non-direct-view is abnormally dangerous, likely cuts off unintentionally tendon or injured blood vessel nerve midway.And principle of getting tendon device of the present invention is to utilize fine rule incision principle to cut tendon, be not with any sharp edge to enter in body, can under non-direct-view, arbitrarily advance and retreat and get tendon device safely, therefore risk is low, approaches devoid of risk.
2, on tinsel material: the extraordinary molybdenum filament that cutting steel making grinding tool is used has been introduced clinical orthopaedics athletic injury arthroscope professional field, utilizes its fine rule incision principle to intercept tendon.Devoid of risk is got the diameter 0.18mm high-strength special type line cutting molybdenum filament of tendon device, is the present invention's more various mechanical properties and cutting performance from the tinsel of tens kinds of different element different-diameters, and successfully tests select with it at new zealand white rabbit.The fine wire that diameter is less, its cutting force is larger, but in the fixing situation of ultimate tension, its ultimate load is just less, is more easily pulled off.On the contrary, wire diameter is thicker, and ultimate load is larger, be not easy to be pulled off, but cutting force reduces greatly, is not easy to cut tendon.The high-strength special type line cutting of 0.18mm with the ultimate tension of molybdenum filament is: 2824mPa; And stainless steel silk ultimate tension under same diameter only has: 1800mPa; The molybdenum filament of this diameter is easy to easily to cut off with the animal tendon of the same diameter of the mankind in actual animal surgery test.Molybdenum filament has the lower feature of thinking: 1. 2. surface smoothness is high for superelevation tensile strength, good stability, and cutting accuracy is high; 3. percentage elongation is little, and tight silk is little; 4. crimp percent is large, and string diameter is consistent, is difficult for fracture of wire, and the life-span is long; 5. corrosion resistance.
3, get on tendon device attribute: the common tendon device of getting is all the operating theater instruments that repeated disinfection that pure rustless steel is made is used, and metallic rod is thicker, disposable words, too waste is too expensive, does not belong to consumptive material class.This of the present invention's design got the very outstanding 316L stainless steel of tendon device serviceability, this material can be designed to the metallic rod of the hollow tubular that diameter is less, beyond saving cost, also greatly increase impact strength and the creep resistant (316L stainless steel is for the disposable screwdriver of titanium grappling clinically) of stainless steel tube.In the world also without any a disposable tendon device of getting, this design creatively makes to get tendon device and becomes medical disposable material at present, has reduced the risk that operating theater instruments is polluted, and has shortened operating time.
4, hold the design of handle: lever uses ABS material to make, and unique handle of a knife open-core type integral design in ancient times, is conducive to operator and tightly controls lever; Lever both sides respectively useful be wound around molybdenum filament temporarily fasten line stake and two plastic tie, the structure that has fixing molybdenum filament in the middle of pull bar, while plucking out pull bar, patient can hold two pull bars on the other hand, another handgrip is held lever, pulls at molybdenum filament and just can easily cut off tendon; Can also oneself hold lever, allow assistant's two handss respectively hold respectively a pull bar, pull back and forth sawed-off tendon in a kind of mode of scroll saw.
5, in profile: first, the edge that common tradition is got tendon device release aperture is oval-shaped inclined-plane and with sharp edge, and devoid of risk to get the release aperture of tendon device be there is no inclined-plane, its tangent plane and the cross section of sorting hole are parallel circles, any sharp edge of nobody; On the tangent plane of sorting hole tube wall, there is annular groove, for placing the filament ring of molybdenum filament; And there are four line holes to be dispersed in around tube wall at 2mm place above sorting hole, are used for wearing the fixing molybdenum filament ring of general surgery suture ligature knotting, make it temporarily be fixed on this seat.
Secondly, the metal pole that tradition is got tendon device is solid, and the metallic rod that devoid of risk is got tendon device is hollow.
Finally, hollow stem outside also indicates scale, can allow operator before cut-out tendon, fully understand the length and the seat of getting tendon device head place of tendon to be got.
In sum, the tendon device of getting of the present invention no longer there will be tradition to get the such sharp edge of tendon device, thereby can not cut off tendon midway, causes operative failure; More can unexpected injured blood vessel and nerve.When tendon device is got in propelling, even if meet obstructions and tendon foot, also Safe withdrawing is got tendon device at any time, then again advances and gets tendon device.In addition, tendon device is got in disposable use, in the reusable sterilization repeatedly of getting tendon device of having saved invention same period of the present invention and art, needs extra assistant to wear trouble wiry, shortens operating time.
In addition, the tendon device of getting of the present invention is that disposable devoid of risk is got tendon device and saved the trouble of wearing tinsel and threading fixing metal silk in art, save valuable operating time, effectively alleviated medical worker's work load, be suitable for the heavy city-level of operation irregularity and use with the doctor who goes to the hospital.If input medical market, will promote the popularization of above high level bone surgery in more hospital effectively, save more patients' health, greatly reduce disability rate.
The foregoing is only preferred embodiment of the present invention; not in order to limit the present invention; all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc.; within all should being included in protection scope of the present invention, especially utilize the fine rule incision principle of tinsel or B alloy wire to intercept the mode of tendon.
Claims (10)
1. get a tendon device, it comprises:
Device head, it offers cylindrical hole, and one end of this cylindrical hole is defined as sorting hole, and this sorting hole lateral wall circle is blunt, and the other end of this cylindrical hole is defined as release aperture;
The body of rod, its one end is fixed on this device head, and its other end extends along the axis direction that is parallel to this cylindrical hole;
It is characterized in that, this cylindrical hole is cylindrical and make the transverse cross-section parallel of this release aperture in the cross section of this sorting hole; In this device head, have on the end face of this release aperture and offer groove; This body of rod is hollow stem, and one end of this hollow stem is opening, and the other end of this hollow stem is fixed on this device head, and this hollow stem offers wire hole towards a side of this groove;
This is got tendon device and also comprises:
Tinsel, kink after its bending passes from this wire hole via the opening of this hollow stem, and forming central angle is greater than the tinsel arc of 270 degree or forms wire rings around at least one circle, this tinsel arc or this wire rings are housed in this groove in the time not using, when use, depart from this groove and utilize line incision principle to cut off tendon to be got, the two after this tinsel bending is emerging in outside this opening.
2. the tendon device of getting as claimed in claim 1, is characterized in that: this tinsel is the molybdenum filament of diameter 0.18mm.
3. the tendon device of getting as claimed in claim 1, it is characterized in that: on the sidewall of this device head, offer at least one suture hole, this tinsel arc or this wire rings are bundled at least one suture hole by least one cotton thread is housed in this groove this tinsel arc or the suspension of this wire rings.
4. the tendon device of getting as claimed in claim 1, is characterized in that: this is got tendon device and also comprises two pull bars, and these two pull bars are separately fixed at this two ends wiry.
5. the tendon device of getting as claimed in claim 4, is characterized in that: this is got tendon device and also comprises lever, and this lever is fixed on one end that this hollow stem has this opening.
6. want to get tendon device as described in 5 as right, it is characterized in that: on the sidewall of this lever, offer two host cavities of accommodating respectively these two pull bars.
7. want to get tendon device as described in 6 as right, it is characterized in that: this is got tendon device and also comprises tiger's jaw sheet, this tiger's jaw sheet is placed on this hollow stem, and is fixed on this lever on one end of this device head.
8. as right is wanted to get tendon device as described in 7, it is characterized in that: on this lever, also offer for tinsel linear cuts that pass through and parallel with this hollow stem and two linear accepting grooves that are oppositely arranged, two linear accepting grooves are positioned on the extended line of this linear cuts, this tiger's jaw sheet is provided with two and fastens line stake, and these two to fasten line stake in the same plane with these two linear cuts respectively.
9. want to get tendon device as described in 8 as right, it is characterized in that: these two host cavities are oppositely arranged on the relative both sides of this lever, this linear cuts is through two host cavities.
10. want to get tendon device as described in 1 as right, it is characterized in that: on the outer wall of this hollow stem, be provided with rule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310005044.9A CN103006277B (en) | 2013-01-07 | 2013-01-07 | Tendon taking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310005044.9A CN103006277B (en) | 2013-01-07 | 2013-01-07 | Tendon taking machine |
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| Publication Number | Publication Date |
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| CN103006277A CN103006277A (en) | 2013-04-03 |
| CN103006277B true CN103006277B (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310005044.9A Active CN103006277B (en) | 2013-01-07 | 2013-01-07 | Tendon taking machine |
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| CN (1) | CN103006277B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103417268B (en) * | 2013-08-29 | 2015-03-25 | 沈小芳 | Tendon cutting device |
| US11779317B2 (en) | 2021-03-09 | 2023-10-10 | Arthrex, Inc. | Surgical device configured to strip and cut tendon |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2156810Y (en) * | 1993-03-03 | 1994-02-23 | 时佳 | Free muscle and tendon decollement cutter |
| US5496325A (en) * | 1994-08-09 | 1996-03-05 | Mclees; Donald J. | Split stem surgical saw blade |
| US5911730A (en) * | 1996-11-05 | 1999-06-15 | Mcguire; David A. | Device and method for tendon harvesting |
| US8828000B2 (en) * | 2007-02-13 | 2014-09-09 | The Board Of Regents Of The University Of Texas System | Apparatus to trace and cut a tendon or other laterally extended anatomical structure |
| CN202489980U (en) * | 2011-04-19 | 2012-10-17 | 徐苗 | Tendon remover |
| US8894672B2 (en) * | 2011-05-06 | 2014-11-25 | Paul Leach Burroughs, III | Quadriceps tendon stripper |
| CN202497202U (en) * | 2012-03-02 | 2012-10-24 | 徐林 | Device for cutting nerve and tendon |
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2013
- 2013-01-07 CN CN201310005044.9A patent/CN103006277B/en active Active
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| CN103006277A (en) | 2013-04-03 |
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