CN105078543A - Costicartilage rotary-cut device - Google Patents
Costicartilage rotary-cut device Download PDFInfo
- Publication number
- CN105078543A CN105078543A CN201510023304.4A CN201510023304A CN105078543A CN 105078543 A CN105078543 A CN 105078543A CN 201510023304 A CN201510023304 A CN 201510023304A CN 105078543 A CN105078543 A CN 105078543A
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- CN
- China
- Prior art keywords
- costicartilage
- rotary
- protective casing
- cutter head
- peeling knife
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Abstract
The invention provides a costicartilage rotary-cut device which is characterized by comprising a thin-pipe-shaped rotary-cut knife, a protection sleeve on the periphery of the rotary-cut knife, and a drive component, wherein the rotary-cut knife can move forwards on the surface of costicartilage in a rotation form so as to cut down the costicartilage fragments, and comprises a hollow bit, and a hollow thin pipe communicated with the bit for storing the costicartilage fragments; the protection sleeve can prevent the rotary-cut knife from damaging the soft tissue adjacent to the costicartilage; the drive component is connected to the tail end of the rotary-cut knife for driving the rotary-cut knife to move forward in a rotation form; the protection sleeve and the rotary-cut knife can slide relatively, and when the protection sleeve touches the costicartilage, the bit extends out of the protection sleeve and moves forwards on the surface of the costicartilage in a rotation form. With the costicartilage rotary-cut device, costicartilage particles can be obtained conveniently and rapidly, and the injury to the body of a patient is reduced.
Description
Technical field
The present invention relates to a kind of costicartilage rotary cut device, belong to medical instruments field.
Background technology
Granule cartilage is a kind of autograft material emerging over nearly 20 years.Granule cartilage is easily processed moulding, and can also continue to adjust profile after transplant operation, and is applied to the field such as nasal plastic, Maxillary region filling.
The implantation method of granule cartilage is specially, the cartilage of bulk in patient body is cut into granule, filling for positions such as bridge of the nose, jaw faces is transplanted, also can be placed in the porous mold identical with treating transplant organ shape, after mould is implanted, granule cartilage can grow up to an entirety according to the shape of mould, obtains the transplant identical with treating transplant organ shape.
The cartilage material that costicartilage can provide a large amount of is only had in human body.At present, the method obtaining granulating costicartilage fragment is the costicartilage being cut even whole section of bulk by operation in vivo, is then cut into granule by hand.The method of this acquisition granule cartilage is comparatively large to somatic damage, can leave longer cicatrix on a patient body, and waste time and energy
Summary of the invention
The present invention carries out to solve the problem, and object is to provide one can obtain granulating costicartilage more easily, and reduces the physically impaired costicartilage rotary cut device to patient.
The present invention to achieve these goals, have employed following structure:
The invention provides a kind of costicartilage rotary cut device, it is characterized in that, comprising: the peeling knife in thin tube-like, can rotate on costicartilage surface and advance thus cut costicartilage fragment, peeling knife has the cutter head of hollow out, and the hollow tubule for storing costicartilage fragment that is connected with cutter head; Be socketed in the protective casing of peeling knife periphery, can prevent peeling knife from damaging the contiguous soft tissue of costicartilage; And be connected to the drive member of peeling knife end for driving peeling knife to rotate advance; Wherein, protective casing and peeling knife can relative slidings, and when protective casing touches costicartilage, cutter head stretches out protective casing and rotates on costicartilage surface and advances.
Further, costicartilage rotary cut device of the present invention can also have such feature: wherein, and cutter head is made up of at least a slice cutting blade.
Further, costicartilage rotary cut device of the present invention can also have such feature: wherein, and the cutting blade with Cipangopaludina chinensis mouth shape opening that cutter head is centrosymmetric by two panels forms.
Further; costicartilage rotary cut device of the present invention can also have such feature: wherein; the end of protective casing is combined by Flexible Connector and hollow tubule; when protective casing touches costicartilage; Flexible Connector generation deformation, cutter head stretches out protective casing and rotates on costicartilage surface and advances.
Further, costicartilage rotary cut device of the present invention can also have such feature: wherein, and peeling knife and hollow tubule removably connect.
Further, costicartilage rotary cut device of the present invention can also have such feature: wherein, and drive member is the precession handle be connected with hollow tubule end.
Further, costicartilage rotary cut device of the present invention can also have such feature, also comprises: the suction unit being connected to cutter pipe end, for the costicartilage fragment in sucking-off hollow tubule.
Invention effect and effect
According to costicartilage rotary cut device of the present invention; owing to having peeling knife; can rotate on costicartilage surface and advance; directly obtain costicartilage fragment; granulating cartilage can be obtained after slightly processing again, and not need as cutting monoblock costicartilage in prior art, then be cut into granule; therefore hinge structure, costicartilage rotary cut device of the present invention can obtain granulating costicartilage more easily.
In addition, because peeling knife is thin tube-like, diameter is less, can entering through small otch in patient body, because this reducing the damage to patient body, also can not leave large scar.
In addition, because the periphery of peeling knife is socketed with protective casing, before protective casing does not touch costicartilage, cutter head is ensconced inner by protective casing, prevents sharp cutter head from cutting the contiguous soft tissue of costicartilage; And after protective casing touches costicartilage, hollow tubule rotates advance together with cutter head, the bodily tissue that protective casing can also prevent hollow tubule from rubbing in otch, thus the injury to patient body can be reduced further.
Accompanying drawing explanation
Fig. 1 is costicartilage rotary cut device of the present invention structural representation in an embodiment; And
Fig. 2 is the cutter head structural representation in an embodiment that the present invention relates to.
Detailed description of the invention
Referring to accompanying drawing, costicartilage rotary cut device involved in the present invention is elaborated.
Fig. 1 is costicartilage rotary cut device of the present invention structural representation in an embodiment.
As shown in Figure 1, in the present embodiment one, costicartilage rotary cut device 10 comprises peeling knife 11, protective casing 12, Flexible Connector 13, drive member and suction unit.Fig. 1 eliminates drive member and suction unit.
Peeling knife 11 comprises cutter head 111 and hollow tubule 112.Peeling knife 11 can rotate on costicartilage surface, thus cuts costicartilage fragment.Cutter head 111 and hollow tubule 112 removably connect, and can conveniently clean cutter head 111.
Fig. 2 is the cutter head structural representation in an embodiment that the present invention relates to.
As shown in Figure 2, cutter head 111 is Openworks shape, and the rotary-cut blade 113 be centrosymmetric by two panels forms.Rotary-cut blade 113 has Cipangopaludina chinensis mouth shape opening 114.Cutter head 111 is when costicartilage surface rotates, and two panels rotary-cut blade 113 can cut costicartilage, makes costicartilage be broken flaking, and falls into the rear of cutter head 111.Relative to the blade of other shapes, the rotary-cut blade 113 with Cipangopaludina chinensis mouth shape opening 114 is the cartilage that contacts of machinable cutter head dead ahead not only, and also has shear action to the cartilage of side direction.
Hollow tubule 112, in thin tube-like, is connected with the rear of cutter head 111, can stores the costicartilage fragment that cutter head 111 cuts.
Drive member is precession handle.Precession handle is connected to the end of hollow tubule 112, and doctor can be facilitated to grip.Precession handle, under the promotion of doctor, makes hollow tubule 112 be with dynamic cutter head 111 to advance to costicartilage.When cutter head 111 arrives costicartilage surface, precession handle, also by the rotation of doctor, makes hollow tubule 112 be with dynamic cutter head 111 to rotate on costicartilage surface, thus cuts costicartilage fragment.
Protective casing 12 is socketed in the periphery of hollow tubule 112, and can slide by opposite hollow tubule 112.Cutter head 111 can be ensconced inside by protective casing 12, prevents cutter head 111 before touching costicartilage surface, the soft tissue that damage costicartilage is contiguous.When cutter head 111 is after touching costicartilage surface, hollow tubule 112 can rotate advance under the driving of precession handle, and protective casing 12 can also prevent the bodily tissue in the hollow tubule frictionally damage otch of rotation.
The end of protective casing 12 and hollow tubule 112 combine by Flexible Connector 13.Flexible Connector 13 comprises resilient mounting 132 and two springs 131.Two spring 131 symmetries are arranged on the two ends of resilient mounting 132.
Resilient mounting 132 comprises pad 135, first back-up ring 133 and the second back-up ring 134.First back-up ring 133 and the second back-up ring 134 are circular.First back-up ring 133 is arranged on the periphery at hollow tubule 112 rear portion.Second back-up ring 134 is arranged on the periphery of protective casing 12 end.The front of the first back-up ring 133 connects two springs, 131, two springs 131 and arranges along the axis of protective casing 12.The front attachment spacers 135 of spring 131.Pad 135 is shelved on the second back-up ring 134, can rotate relative to the second back-up ring 134.When hollow tubule 112 rotates, make the first back-up ring 133 drive spring 131 and pad 135 to rotate, pad 135 is rotated on the second back-up ring 134 surface, and therefore spring 131 can provide axial elastic force for protective casing 12, and protective casing 12 can not be driven to rotate.
Suction unit is connected to the end of hollow tubule 112; current can be injected to hollow tubule 112; the fragment shape costicartilage be stored in hollow tubule 112 is washed out, in order to avoid the granular costicartilage fragment cut is trapped in the front end of hollow tubule 112, causes obstruction.
Use procedure:
Precession handle, by the promotion of doctor, can drive peeling knife 11 to enter the otch of patient together with protective casing 12, and continues to advance to costal cartilage.Now, cutter head 111 ensconces the inside of protective casing 12.
When protective casing 12 touches the soft tissue of costicartilage vicinity, soft tissue bounces back, and peeling knife 11 and protective casing 12 can move forward, and it is inner that cutter head 111 still ensconces protective casing 12.But protective casing 12 can be subject to the slight barrier force of soft tissue, therefore the advance length of peeling knife 11 is slightly short relatively, and is compressed slightly by spring 131.The relative position of cutter head 111 in protective casing 12 inside slightly to front, but can not stretch out the front end of protective casing 12, can prevent sharp cutter head from cutting in soft tissue surfaces, soft tissue injury.
When protective casing 12 finally touches costicartilage surface; because costal cartilage can not bounce back; therefore can stop that protective casing 12 advances; and peeling knife 11 can move forward; and spring 131 is compressed significantly; make cutter head 111 reach the inside of protective casing 12, and advance to costicartilage surface.Then, precession handle, under the rotation of doctor, drives hollow tubule 112 to rotate and advances, and then band dynamic cutter head 111 rotates on costicartilage surface, and the costicartilage fragment made is cut continuously and enters in hollow tubule 112.Now, protective casing 12 is fixed by the gripping of doctor, can not follow hollow tubule 112 and rotate, therefore, it is possible to the bodily tissue in protection otch is not by hollow tubule 112 frictionally damage.
After cutting the costicartilage fragment of q.s, precession handle pulling by doctor, can drive peeling knife 11 to exit wound together with protective casing 12.Costicartilage fragment is collected from hollow tubule 112, then can obtain granulating cartilage after slightly processing.
Embodiment effect and effect
Costicartilage rotary cut device involved by the present embodiment; owing to having peeling knife; can rotate on costicartilage surface and advance; directly obtain costicartilage fragment; granulating cartilage can be obtained after slightly processing again, and not need as cutting monoblock costicartilage in prior art, then be cut into granule; therefore hinge structure, the costicartilage rotary cut device of the present embodiment can obtain granulating costicartilage more easily.
In addition, because peeling knife is thin tube-like, diameter is less, can entering through small otch in patient body, because this reducing the damage to patient body, also can not leave large scar.
In addition, because the periphery of peeling knife is socketed with protective casing, before protective casing does not touch costicartilage, cutter head is ensconced inner by protective casing, prevents sharp cutter head from cutting the contiguous soft tissue of costicartilage; And after protective casing touches costicartilage, hollow tubule rotates advance together with cutter head, the bodily tissue that protective casing can also prevent hollow tubule from rubbing in otch, thus the injury to patient body can be reduced further.
Certainly costicartilage rotary cut device involved in the present invention is not merely defined in structure in an embodiment.
In costicartilage rotary cut device of the present invention, the rotary-cut blade that cutter head is centrosymmetric by two panels forms.But cutter head can also be made up of the rotary-cut blade of a slice, other quantity such as three, four, and rotary-cut blade, except having Cipangopaludina chinensis mouth shape opening, can also have the opening of other shapes, can cut costicartilage equally.
In costicartilage rotary cut device of the present invention, cutter head and hollow tubule are for removably connecting.But cutter head can also non-dismountablely be connected with hollow tubule, although such structure reduces the comfort level of cutter head cleaning, cutter head is integrated with hollow tubule, reduces the risk that cutter head is lost.
In costicartilage rotary cut device of the present invention, resilient mounting comprises resilient mounting and two springs.But, spring can also replace to other elastomers, as long as ensure that the compression ratio of the elastomeric material that this elastomer uses meets the following conditions: when protective casing runs into soft tissue, the decrement of this elastomeric material is less than the distance of cutter head and protective casing front end, makes cutter head not stretch out protective casing; And when protective casing runs into costicartilage, the decrement of this elastomeric material is greater than the distance of cutter head and protective casing front end, makes cutter head can stretch out protective casing and move on.
In costicartilage rotary cut device of the present invention, resilient mounting comprises pad, the first back-up ring and the second back-up ring.But resilient mounting can also replace to third gear circle, fourth gear circle, fifth gear circle and movable back-up ring.Third gear circle, fourth gear circle, fifth gear circle and movable back-up ring are first ring-type.Third gear circle and and fourth gear circle be fixedly connected on the periphery at hollow tubule rear portion, distance is between the two accommodation activity back-up ring just.Fourth gear circle is provided with two symmetrical holes.Fifth gear circle is fixedly connected on the periphery of the end of protective casing.One end of spring is connected on movable back-up ring, and through the hole on fourth gear circle, the other end is connected on fifth gear circle.During spring generation deformation, axial thrust can be provided for protective casing.When hollow tubule rotates, movable back-up ring does not rotate, thus can not apply twisting resistance to spring.Corresponding to above-mentioned resilient mounting, drive member can also replace with motor.Motor is connected to the end of hollow tubule, can drive the advance of hollow tubule, retrogressing and spinning movement.Such structure, can also improve automation mechanized operation degree, alleviates the burden of doctor.
Claims (7)
1. a costicartilage rotary cut device, is characterized in that, comprising:
Peeling knife in thin tube-like, can rotate on costicartilage surface and advance thus cut costicartilage fragment, described peeling knife has the cutter head of hollow out, and the hollow tubule be connected for storing costicartilage fragment with described cutter head;
Be socketed in the protective casing of described peeling knife periphery, can prevent described peeling knife from damaging the contiguous soft tissue of described costicartilage; And
Be connected to described peeling knife end and rotate the drive member of advancing for driving described peeling knife;
Wherein, described protective casing and described peeling knife can relative slidings, and when described protective casing touches described costicartilage, described cutter head stretches out described protective casing and rotates on costicartilage surface and advances.
2. costicartilage rotary cut device according to claim 1, is characterized in that:
Wherein, described cutter head is made up of at least a slice rotary-cut blade.
3. costicartilage rotary cut device according to claim 2, is characterized in that:
Wherein, the rotary-cut blade with Cipangopaludina chinensis mouth shape opening that described cutter head is centrosymmetric by two panels forms.
4. costicartilage rotary cut device according to claim 1, is characterized in that:
Wherein, the end of described protective casing is combined by Flexible Connector and described hollow tubule; when described protective casing touches described costicartilage, described Flexible Connector generation deformation, described cutter head stretches out described protective casing and rotates on costicartilage surface and advances.
5. costicartilage rotary cut device according to claim 1, is characterized in that:
Wherein, described peeling knife and described hollow tubule removably connect.
6. costicartilage rotary cut device according to claim 1, is characterized in that:
Wherein, described drive member is the precession handle be connected with described hollow tubule end.
7. costicartilage rotary cut device according to claim 1, is characterized in that, also comprise:
Be connected to the suction unit of described cutter pipe end, for the costicartilage fragment in hollow tubule described in sucking-off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510023304.4A CN105078543A (en) | 2015-01-16 | 2015-01-16 | Costicartilage rotary-cut device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510023304.4A CN105078543A (en) | 2015-01-16 | 2015-01-16 | Costicartilage rotary-cut device |
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| Publication Number | Publication Date |
|---|---|
| CN105078543A true CN105078543A (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510023304.4A Pending CN105078543A (en) | 2015-01-16 | 2015-01-16 | Costicartilage rotary-cut device |
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| CN (1) | CN105078543A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109843193A (en) * | 2016-10-13 | 2019-06-04 | 塞吉菲医疗公司 | A kind of operation rotary file |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040092992A1 (en) * | 2002-10-23 | 2004-05-13 | Kenneth Adams | Disposable battery powered rotary tissue cutting instruments and methods therefor |
| CN200945176Y (en) * | 2006-08-23 | 2007-09-12 | 邓学群 | Rotary cutting needle for removing protruded lumbar intervertebral disc nucleus pulposus substance |
| CN101543413A (en) * | 2008-03-27 | 2009-09-30 | 德普伊米特克公司 | Tissue extraction and collection device |
| CN203244431U (en) * | 2013-05-21 | 2013-10-23 | 中国人民解放军第三军医大学第一附属医院 | Auricular cartilage detacher |
| EP2712568A2 (en) * | 2008-03-27 | 2014-04-02 | Covidien LP | Endoscopic vessel sealer and divider for large tissue structures |
-
2015
- 2015-01-16 CN CN201510023304.4A patent/CN105078543A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040092992A1 (en) * | 2002-10-23 | 2004-05-13 | Kenneth Adams | Disposable battery powered rotary tissue cutting instruments and methods therefor |
| CN200945176Y (en) * | 2006-08-23 | 2007-09-12 | 邓学群 | Rotary cutting needle for removing protruded lumbar intervertebral disc nucleus pulposus substance |
| CN101543413A (en) * | 2008-03-27 | 2009-09-30 | 德普伊米特克公司 | Tissue extraction and collection device |
| EP2712568A2 (en) * | 2008-03-27 | 2014-04-02 | Covidien LP | Endoscopic vessel sealer and divider for large tissue structures |
| CN203244431U (en) * | 2013-05-21 | 2013-10-23 | 中国人民解放军第三军医大学第一附属医院 | Auricular cartilage detacher |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109843193A (en) * | 2016-10-13 | 2019-06-04 | 塞吉菲医疗公司 | A kind of operation rotary file |
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Application publication date: 20151125 |