CN201082172Y - Surgical binding instrument rotary cutter head - Google Patents
Surgical binding instrument rotary cutter head Download PDFInfo
- Publication number
- CN201082172Y CN201082172Y CNU2007200385279U CN200720038527U CN201082172Y CN 201082172 Y CN201082172 Y CN 201082172Y CN U2007200385279 U CNU2007200385279 U CN U2007200385279U CN 200720038527 U CN200720038527 U CN 200720038527U CN 201082172 Y CN201082172 Y CN 201082172Y
- Authority
- CN
- China
- Prior art keywords
- ring
- cutter
- rotary cutter
- bookbinding apparatus
- rollback
- 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
- 238000001356 surgical procedure Methods 0.000 claims abstract description 33
- 238000005520 cutting process Methods 0.000 description 9
- 210000001519 tissue Anatomy 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009527 percussion Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000587161 Gomphocarpus Species 0.000 description 1
- 230000003872 anastomosis Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model relates to a rotatable bookbinding appliance rotary cutter for surgery, belonging to the technical field of medical appliance, which comprises a pin cylinder, a ring cutter, an ejector pin seat and a pin chamber; wherein, the ring cutter, the ejector pin seat and the pin chamber are arranged in the pin cylinder and is characterized in that a column embedded element is added in the pin cylinder and an advancing spiral rail and a backing rail are distributed independently on an outer wall of the column embedded element. By using the utility model, the prior single rail can be divided into two rails, namely the advancing spiral rail and the backing rail, which are communicated with each other, forming at least an advancing and backing travel, so that the backing resistance and time of the ring cutter can be reduced and the surgery can be completed simply and safely.
Description
Technical field
This utility model relates to the bookbinding device that a kind of surgical operation uses, and particularly a kind of rotatable surgery bookbinding apparatus rotary cutter belongs to technical field of medical instruments.
Background technology
Surgery binding instrument is to be used for the digestive tract tissue to carry out the medical apparatus and instruments that the broken ends of fractured bone connects, and it is simple to operate, effectively shortens operating time, and significantly is superior to the characteristics of manual suture effect, more and more obtains doctor and patient's approval.The tubular type surgery binding instrument is used to connect the tubular tissue broken ends of fractured bone, when sewing up, excess tissue is excised, but the ring-like cutter of resection organization was directly to advance the formula of directly moving back in the past, and the doctor is the strength that need cost a lot of money in operation, will organize cut-out by impulse force, but still can organize the situation that can not be completely severed, the apparatus that withdrawed from of the tissue that does not cut off is broken by force then, causes tearing to damage to anastomosis ring, and consequence is very serious.Design rotary cutting apparatus at such defective, become the original rotation cutting of directly advancing to be cut into, improved the effect of cutting greatly.
But the track of such rotation cutting mode is single, one bar helical orbit should be born the function of the track that advances and bear the function that retreats track again, will be when ring-like cutter is return through a rotation ability return, the stroke of rollback is long, and the resistance that is suffered is also bigger.
Summary of the invention
The purpose of this utility model is exactly in order to solve the above-mentioned problems in the prior art, and a kind of surgery bookbinding apparatus rotary cutter is provided.
The purpose of this utility model is achieved through the following technical solutions:
Surgery bookbinding apparatus rotary cutter, it includes nail tube, ring-like cutter, ejector pin seat and nail bin, ring-like cutter, ejector pin seat and nail bin all place within the nail tube, wherein: add the cylinder inserts in the nail tube, be distributed with independently advance helical orbit and rollback track on the outer wall of cylinder inserts.
Above-mentioned surgery bookbinding apparatus rotary cutter, wherein: ring-like cutter is provided with guide structure, or on the connector between ejector pin seat and the ring-like cutter, being provided with guide structure, guide structure embeds along the inlet that the cylinder inserts gets on the right track, and ring-like cutter is cooperated with the rotation of cylinder inserts.
Further, above-mentioned surgery bookbinding apparatus rotary cutter, wherein: comprise one section rollback rectilinear orbit and one section arc track in the rollback track.
Further, above-mentioned surgery bookbinding apparatus rotary cutter, wherein: the dual-side of described rollback rectilinear orbit and the angle of vertical direction be 0 spend to 30 the degree between.
Further, above-mentioned surgery bookbinding apparatus rotary cutter, wherein: described helical orbit and the rollback rectilinear orbit of advancing is interconnected, and forms the advance and retreat stroke.
Further, above-mentioned surgery bookbinding apparatus rotary cutter, wherein: described advance and retreat stroke has one at least.
Further, above-mentioned surgery bookbinding apparatus rotary cutter, wherein: be provided with only expand tube in the described nail tube, the cylinder inserts is fixed in and ends outside the expand tube.
Further, above-mentioned surgery bookbinding apparatus rotary cutter, wherein: described guide structure is a guide pillar, it is on the inwall of ring-like cutter bottom or on the connector between ejector pin seat and the ring-like cutter.
Further, above-mentioned surgery bookbinding apparatus rotary cutter, wherein: described ring-like cutter bottom is installed in the ejector pin seat as connector by bearing arrangement.
Further, above-mentioned surgery bookbinding apparatus rotary cutter, wherein: described bearing arrangement is made up of bearing inner race, bearing outer ring, drive disk assembly, connects by drive disk assembly between bearing inner race and the bearing outer ring.
By using this surgery bookbinding apparatus rotary cutter; make ring-like cutter cooperate the track spiral of advancing of cylinder inserts to advance with the ejector pin seat; straight line is return ejector pin seat inner chamber under the guiding of rollback track; original single helical orbit born to advance simultaneously be separated into a helical orbit with the rollback task and bear the task of advancing; article one, the rollback track is born the rollback task; and described helical orbit and the rollback track of advancing is interconnected, and forms at least one advance and retreat stroke.Simultaneously, in the rollback track, comprise one section rollback rectilinear orbit and one section arc track, reduced the rollback stroke, reduced the resistance that is suffered when ring-like cutter is return, also reduced the needed time of rollback, make operation implement more easy, safety.Its enforcement is effective, for the space has been expanded in the technological progress of this area.
Description of drawings
The purpose of this utility model, advantage and characteristics will illustrate by the non-limitative illustration of following preferred embodiment and explain.These embodiment only are the prominent examples of using technical solutions of the utility model, and all technical schemes of taking to be equal to replacement or equivalent transformation and forming all drop within the claimed scope of this utility model.In the middle of these accompanying drawings,
Fig. 1 is the structural representation of ring-like cutter;
Fig. 2 is the structural representation of cylinder inserts;
Fig. 3 is the bearing arrangement sketch map;
Fig. 4 is an assembling partial schematic diagram of the present utility model.
The implication of each Reference numeral is as follows among the figure:
| Sequence number | Refer to | Sequence number | Refer to |
| 1 | Ring- |
2 | The ejector pin seat |
| 3 | The |
4 | Helical orbit advances |
| 5 | The rollback |
6 | |
| 7 | Arc |
8 | Bearing |
| 9 | Bearing |
10 | |
| 11 | |
12a、12b | Guide pillar |
The specific embodiment
As Fig. 1～surgery bookbinding apparatus rotary cutter shown in Figure 4, it includes the nail tube, ring-like cutter 1, ejector pin seat 2, nail bin, ring-like cutter 1, ejector pin seat 2 and nail bin all place within the nail tube, wherein: add cylinder inserts 3 in the nail tube, be distributed with advance helical orbit 4 and rollback track on the outer wall of cylinder inserts 3, ring-like cutter 1 is provided with guide structure, or on the connector between ejector pin seat 2 and the ring-like cutter 1, be provided with guide structure, guide structure embeds along the inlet of the helical orbit 4 that advances, ring-like cutter 1 is rotatably connected with cylinder inserts 3, and ring-like cutter 1 bottom is installed in the ejector pin seat 2 as connector by bearing arrangement 6.For helical orbit 4 and rollback orbit transfer nature, when entering next roundtrips, can not return first stroke in former road, comprise one section rollback rectilinear orbit 5 and one section arc track 7 in the described rollback track, the dual-side of rollback rectilinear orbit and the angle of vertical direction be 0 spend to 30 the degree between, preferably can take 6 spend to 9 the degree.And described helical orbit 4 and the rollback track of advancing is interconnected, and forms at least one advance and retreat stroke.Be provided with only expand tube in the described nail tube, cylinder inserts 3 is fixed in and ends outside the expand tube.As Fig. 1, Fig. 3 guide structure is guide pillar 12a, 12b, and it is on the inwall or the bearing arrangement between ejector pin seat 2 and the ring-like cutter 1 of ring-like cutter 1 bottom.Bearing arrangement 6 is made up of bearing inner race 8, bearing outer ring 9, drive disk assembly, connects as drive disk assembly by ball 10 between bearing inner race 8 and the bearing outer ring 9.On described bearing inner race 8, be provided with guide pillar 12b promptly as shown in Figure 3, can embed the helical orbit 4 that advances along inlet equally.
" embodiment 1 "
Surgery bookbinding apparatus rotary cutter, it includes the nail tube, ring-like cutter 1, ejector pin seat 2, nail bin, ring-like cutter 1, ejector pin seat 2 and nail bin all place within the nail tube, wherein: add cylinder inserts 3 in the nail tube, be distributed with advance helical orbit 4 and rollback track on the outer wall of cylinder inserts 3, ring-like cutter 1 is provided with guide structure, guide structure embeds along the inlet of the helical orbit 4 that advances, ring-like cutter 1 is rotatably connected with cylinder inserts 3, ring-like cutter 1 bottom is installed in the ejector pin seat 2 by bearing arrangement 6, can be provided with packing ring 11 as Fig. 4 between bearing arrangement 6 and ejector pin seat 2.Furthermore, described guide structure is guide pillar 12a, and it is positioned on the inwall of ring-like cutter 1 bottom.Meanwhile, described helical orbit 4 and the rollback track of advancing is interconnected, form at least one advance and retreat stroke, and the rollback track comprises one section rollback rectilinear orbit 5 and one section arc track 7, the dual-side of rollback rectilinear orbit and the angle of vertical direction be 0 spend to 30 the degree between, preferred 6 spend to 9 degree as Fig. 2, make a back helical orbit 4 and previous rollback orbit transfer naturally thus, can not return first stroke in former road when entering next roundtrips.For the ease of the needs of large-scale production and the convenience of assembling, be provided with only expand tube in the described nail tube, cylinder inserts 3 is fixed in and ends outside the expand tube.
The install operation process of this surgery bookbinding apparatus rotary cutter is as follows: at first cylinder inserts 3 is nested in set ending on the expand tube outer wall in the nail tube by injection moulding, make cylinder inserts 3 be completely fixed and be attached to and end on the expand tube, the bearing arrangement injection moulding is fixed in the ejector pin seat 2, ejector pin seat 2 is placed in the nail tube, then, ring-like cutter 1 is embedded along the inlet of the helical orbit 4 that advances by the set guide pillar 12a of bottom interior wall, ring-like cutter 1 is rotated with cylinder inserts 3 to be connected, be that ring-like cutter 1 can be realized rotation by the guiding of helical orbit, then ring-like cutter 1 is fixed on the inner ring of bearing arrangement, at last nail bin is also packed into and follow closely tube, finish the installation of rotary cutter.Guide pillar 12a on the ring-like cutter 1 cooperates advance helical orbit 4 and the rollback track that is interconnected on the cylinder inserts 3, apparatus is pulled the trigger, the thrust spiral that ring-like cutter is subjected to ejector pin seat 2 rises, replying under the pulling force straight line at ejector pin seat 2 again then returns, finish an advance and retreat stroke, and enter the next one helical orbit 4 that advances, in order to ensure the rotation that can circulate smoothly of ring-like cutter 1 advance, straight line moves back, in described rollback track, comprise one section rollback rectilinear orbit 5 and one section arc track 7, for back one helical orbit 4 that advances provides a natural transition with previous rollback track, make ring-like cutter 1 when entering next roundtrips, can not return first stroke in former road, guarantee ring-like cutter 1 proper motion path.
" embodiment 2 "
Surgery bookbinding apparatus rotary cutter, it includes the nail tube, ring-like cutter 1, ejector pin seat 2, nail bin, ring-like cutter 1, ejector pin seat 2 and nail bin all place within the nail tube, wherein: add cylinder inserts 3 in the nail tube, be distributed with advance helical orbit 4 and rollback track on the outer wall of cylinder inserts 3, the bearing arrangement injection moulding is fixed in the ejector pin seat 2, bearing inner race 8 is provided with guide pillar 12b as guide structure such as Fig. 3, guide pillar 12b on the bearing arrangement 6 is embedded along the inlet of the helical orbit 4 that advances on the cylinder inserts 3, just ejector pin seat 2 is installed in the nail tube, then ring-like cutter 1 is packed into and follow closely tube, and be that ring-like cutter 1 is fixedlyed connected with the bearing inner race 8 of bearing arrangement 6.The guide pillar 12b that ring-like cutter 1 relies on the bearing arrangement of installing the bottom 6 realizes the rotation cutting with cooperating of cylinder inserts 3 swing-around trajectories.Described helical orbit 4 and the rollback track of advancing is interconnected, form at least one advance and retreat stroke, and comprise one section rollback rectilinear orbit 5 and one section arc track 7 in the rollback track, the dual-side of rollback rectilinear orbit and the angle of vertical direction be 0 spend to 30 the degree between, preferred 6 spend to 9 degree as Fig. 2, arc track 7 provides a natural transition for advance helical orbit 4 and a last rollback track of the next one, and make ring-like cutter 1 when entering next roundtrips, can not return first stroke in former road, guarantee ring-like cutter 1 proper motion path.Furthermore, described bearing arrangement 6 is made up of bearing inner race 8, bearing outer ring 9, drive disk assembly, connects as drive disk assembly by ball 10 between bearing inner race 8 and the bearing outer ring 9.
After having finished being connected of nail-head component and bookbinding device remainder, just can finish preoperative apparatus preparation.In conjunction with bookbinding device, this bookbinding apparatus rotary cutter is as follows in the work process of operation process: the operation implementer puts into the tissue in affected part with operating theater instruments, and the affected part tissue that utilizes bookbinding device that needs are handled ties pocket.The implementer is adjusted to only bookbinding distance to bookbinding device subsequently, and the percussion handle of holding with a firm grip begins percussion, and grip is converted into the thrust that promotes 2 motions of ejector pin seat by the drive disk assembly in the apparatus.Furthermore, be subjected to thrust after, the pushing slice of nail of being arranged on the ejector pin seat 2 pushes tissue with nail and is shaped, guide pillar 12b advances along the track spiral of advancing of cylinder inserts 3 simultaneously, finishes the rotation cutting of ring-like cutter 1, the tangent plane by the edge of a knife is with unnecessary cutting tissue.After percussion finishes, reply under the pulling force effect at ejector pin seat 2, guide pillar 12b enters the rollback track, and straight line is return ejector pin seat 2 inner chambers under the guiding of rollback track, finishes and once cuts stroke.Owing to be connected by bearing arrangement 6 between ejector pin seat 2 and the ring-like cutter 1, depend on the cooperation of ball 10, ring-like cutter 1 can not be subjected to bigger frictional force when rotating.In the cutting process of operation, ring-like cutter 1 all closely is connected with ejector pin seat 2, can not rock, and the phenomenon of off-center axle can not occur, makes whole rotation cutting safer, careful.
By using this surgery bookbinding apparatus rotary cutter, ring-like cutter 1 cooperates the helical orbit spiral that advances of cylinder inserts 3 to advance with ejector pin seat 2, and straight line is return ejector pin seat 2 inner chambers under the guiding of rollback track.Make original single track be separated into two, promptly advance helical orbit 4 and rollback track, and described helical orbit 4 and the rollback track of advancing be interconnected, and forms an advance and retreat stroke, and whole cylinder inserts 3 comprises at least one advance and retreat stroke.Simultaneously, the rollback track comprises one section rollback rectilinear orbit 5 and one section arc track 7, arc track 7 provides a natural transition for advance helical orbit 4 and a last rollback track of the next one, and make ring-like cutter 1 when entering next roundtrips, can not return first stroke in former road, guarantee ring-like cutter 1 proper motion path, make instrumentation safer, reliable.
Claims (10)
1. surgery bookbinding apparatus rotary cutter, it includes nail tube, ring-like cutter, ejector pin seat and nail bin, ring-like cutter, ejector pin seat and nail bin all place within the nail tube, it is characterized in that: add the cylinder inserts in the nail tube, be distributed with independently advance helical orbit and rollback track on the outer wall of cylinder inserts.
2. surgery bookbinding apparatus rotary cutter according to claim 1, it is characterized in that: ring-like cutter is provided with guide structure, or on the connector between ejector pin seat and the ring-like cutter, be provided with guide structure, guide structure embeds along the inlet that the cylinder inserts gets on the right track, and ring-like cutter is cooperated with the rotation of cylinder inserts.
3. surgery bookbinding apparatus rotary cutter according to claim 1 is characterized in that: comprise one section rollback rectilinear orbit and one section arc track in the described rollback track.
4. surgery bookbinding apparatus rotary cutter according to claim 3 is characterized in that: the dual-side of rollback rectilinear orbit and the angle of vertical direction be 0 spend to 30 the degree between.
5. surgery bookbinding apparatus rotary cutter according to claim 1 is characterized in that: described helical orbit and the rollback track of advancing is interconnected, and forms the advance and retreat stroke.
6. surgery bookbinding apparatus rotary cutter according to claim 5 is characterized in that: described advance and retreat stroke has one at least.
7. surgery bookbinding apparatus rotary cutter according to claim 1 is characterized in that: be provided with only expand tube in the described nail tube, the cylinder inserts is fixed in and ends outside the expand tube.
8. surgery bookbinding apparatus rotary cutter according to claim 2 is characterized in that: described guide structure is a guide pillar, and it is on the inwall of ring-like cutter bottom or on the connector between ejector pin seat and the ring-like cutter.
9. surgery bookbinding apparatus rotary cutter according to claim 2 is characterized in that: described ring-like cutter bottom is installed in the ejector pin seat as connector by bearing arrangement.
10. surgery bookbinding apparatus rotary cutter according to claim 9 is characterized in that: described bearing arrangement is made up of bearing inner race, bearing outer ring, drive disk assembly, connects by drive disk assembly between bearing inner race and the bearing outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200385279U CN201082172Y (en) | 2007-07-11 | 2007-07-11 | Surgical binding instrument rotary cutter head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200385279U CN201082172Y (en) | 2007-07-11 | 2007-07-11 | Surgical binding instrument rotary cutter head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201082172Y true CN201082172Y (en) | 2008-07-09 |
Family
ID=39624632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200385279U Expired - Fee Related CN201082172Y (en) | 2007-07-11 | 2007-07-11 | Surgical binding instrument rotary cutter head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201082172Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009000160A1 (en) * | 2007-06-28 | 2008-12-31 | Suzhou Touchstone International Medical Science Co., Ltd. | Rotary cutter head for surgical stapling instrument |
| CN101332109B (en) * | 2007-06-28 | 2010-05-19 | 苏州天臣国际医疗科技有限公司 | Surgery bookbinding apparatus rotary cutter |
-
2007
- 2007-07-11 CN CNU2007200385279U patent/CN201082172Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009000160A1 (en) * | 2007-06-28 | 2008-12-31 | Suzhou Touchstone International Medical Science Co., Ltd. | Rotary cutter head for surgical stapling instrument |
| CN101332109B (en) * | 2007-06-28 | 2010-05-19 | 苏州天臣国际医疗科技有限公司 | Surgery bookbinding apparatus rotary cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080709 Termination date: 20110711 |