CN105662510B - It is a kind of can rotary-cut Crossed Circle knife anastomosis cut component - Google Patents
It is a kind of can rotary-cut Crossed Circle knife anastomosis cut component Download PDFInfo
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- CN105662510B CN105662510B CN201610162305.1A CN201610162305A CN105662510B CN 105662510 B CN105662510 B CN 105662510B CN 201610162305 A CN201610162305 A CN 201610162305A CN 105662510 B CN105662510 B CN 105662510B
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- knife
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- cut
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
- A61B17/1155—Circular staplers comprising a plurality of staples
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
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- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
It is a kind of can rotary-cut Crossed Circle knife anastomosis cut component, including with resist-nailed seat, nail bin, outer cutter mechanism, inside and outside cutter mechanism, power bin and power bin protective case.Interior cutter mechanism is arranged on inside outer cutter mechanism.Interior cutter mechanism and outer cutter mechanism are designed with tracks, when the stress handle of power bin is by from the axial force for pushing resist-nailed seat direction to below, power bin drives pushing slice of nail and interior cutter mechanism, outer cutter mechanism to make axial movement in the same direction, now, when the annular knife on interior cutter mechanism and (or) the outer ring knife on outer cutter mechanism meet obstructions, due to reaction force, they rotate in the opposite direction along the tracks of respective son and mother seat, so as to formed can rotary-cut effect.The present invention realizes the operation being coincide in operation to the rotatable cutting of physiological tissue's Crossed Circle knife, so as to improve surgical quality.
Description
Technical field
The invention belongs to medical instruments field, is related to a kind of identical cutting assembly of Medical stapler, specifically, is related to one
Kind can rotary-cut Crossed Circle knife anastomosis cut component.
Background technology
Medical stapler is that body cavities tissue or foreskin (are referred to skin of penis and are covered at glans penis pleat into the skin of bilayer
Skin) a kind of medicine equipment that tissue is commonly used when performing surgical operation, generally implement closure to physiological tissue, coincide, cutting
Deng operation, the anastomosis cut component of stapler currently on the market is entirely hilted broadsword (one endless knife), and this hilted broadsword is non-rotatable,
This stapler with hilted broadsword anastomosis cut component often occurs that physiological tissue's cutting is not clean, even cuts not in surgical procedure
Disconnected situation, so as to reduce surgical quality.
The content of the invention
In view of this, the present invention provide it is a kind of can improve cut quality can rotary-cut Crossed Circle knife anastomosis cut component.
To achieve these goals, technical scheme is as follows：
It is a kind of can rotary-cut Crossed Circle knife anastomosis cut component, including with resist-nailed seat, nail bin, interior cutter mechanism, outer cutter mechanism, dynamic
Power storehouse, power bin protective case and guide rod；The power bin is arranged on inside the power bin protective case, the power bin protective case
End be provided with nail bin；The outer cutter mechanism couples with power bin inner chamber neck, and the interior cutter mechanism is arranged at outer knife machine
Inside structure, the bottom of the interior cutter mechanism connects with power bin；The outer cutter mechanism includes outer ring knife, outer knife seat, outer knife
Female seat, the outer ring knife are connected as one with outer knife seat, and the screw thread being meshed is provided between outer knife seat and outer knife female seat,
Pad is provided between the bottom of the outer knife seat and the outer knife female seat；The interior cutter mechanism includes annular knife, interior knife
Stroma, interior knife female seat, the annular knife are connected as one with interior knife seat, and phase is provided between interior knife seat and interior knife female seat
The screw thread of engagement, pad is provided between the bottom of the interior knife seat and the interior knife female seat；The resist-nailed seat is arranged on institute
The top of power bin protective case is stated, the resist-nailed seat is connected with the guide rod；It is additionally provided with the resist-nailed seat and justifies with the nail bin
Groove is followed closely in corresponding the supporting in nail bin hole on week.
Further, the interior knife seat is provided with the screw thread being meshed with the interior knife female seat, and screw thread can be left spiral shell
Line or right-hand thread；The outer knife seat and the outer knife female seat are provided with the screw thread being meshed, screw thread can be left-hand thread or
Person's right-hand thread.
Further, described pad can be rigid gasket either elastomeric pad.
Further, edge height can be more than or less than or equal to the annular after the outer ring knife installation
Edge height after knife installation.
Further, the resist-nailed seat is provided with the groove and boss corresponding with the outer ring knife, annular knife.
Further, it is provided with knife anvil in the groove.
Further, the nail bin hole on the nail bin circumference can be a circle either multi-turn, described to support the correspondence for following closely groove
It is arranged to a circle either multi-turn.
Compared with prior art, the beneficial effects of the present invention are：
The present invention realizes the operation being coincide in operation to the rotatable cutting of physiological tissue's Crossed Circle knife, improves apparatus
Operating characteristics, reduce the operation difficulty of clinician, physiological tissue is cut cleaner, made cutting section more beautiful
See, so as to improve surgical quality, while saved the time in surgical procedure.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the axis side view of the present invention；
Fig. 2 is the sectional view of the present invention；
Fig. 3 is the interior cutter mechanism figure of the present invention；
Fig. 4 is the outer cutter mechanism figure of the present invention；
Fig. 5 is the explosive view of the present invention.
In figure：1st, resist-nailed seat；2nd, power bin；3rd, power bin protective case；4th, interior cutter mechanism；5th, outer cutter mechanism；6th, nail bin；7、
Guide rod；101st, boss；102nd, groove；103rd, knife anvil；401st, annular knife；402nd, interior knife seat；403rd, interior knife female seat；404th, it is interior
Pad；501st, outer ring knife；502nd, outer knife seat；503rd, outer knife female seat；504th, outer pad.
Embodiment
The present invention is further illustrated with example below in conjunction with the accompanying drawings.
As shown in Fig. 1~5, it is a kind of can rotary-cut Crossed Circle knife anastomosis cut component, including with resist-nailed seat 1, power bin 2, dynamic
Power storehouse protective case 3, interior cutter mechanism 4, outer cutter mechanism 5, nail bin 6 and guide rod 7.
The resist-nailed seat 1 is arranged on the top of the power bin protective case 3, is connected with the guide rod 7.
The power bin 2 is arranged on inside the power bin protective case 3, and the end of the power bin protective case 3 is provided with nail
Storehouse 6, the nail for suture is placed with nail bin 6, and the surface of nail bin 6 is provided for discharging several nail bin holes of nail, nail
Surface alignment of the storehouse hole along nail bin 6 can be arranged to a circle or multi-turn into round according to nail bin hole is actually needed.It is described to support
Nail seat is provided with support corresponding with nail bin hole and follows closely groove 104, to nail groove 104, can be enclosed according to the spread configuration in nail bin hole into one
Either multi-turn.
The outer cutter mechanism 5 couples with the inner chamber neck of power bin 2, and the interior cutter mechanism 4 is arranged in outer cutter mechanism 5
Portion, the bottom of the interior cutter mechanism 4 connect with power bin 2.
The interior cutter mechanism 4 includes annular knife 401, interior knife seat 402, interior knife female seat 403, the annular knife 401
Connected as one with interior knife seat 402, the interior knife seat 402 is provided with the screw thread being meshed, spiral shell with the interior knife female seat 403
Line can be left-hand thread or right-hand thread, and either up time can be carried out counterclockwise between interior knife seat 402 and interior knife female seat 403
The helical rotation of pin.Internal gasket 404, interior pad are additionally provided between the bottom of the interior knife seat 402 and the interior knife female seat 403
Piece 404 can be elastomeric pad either rigid gasket.
The outer cutter mechanism 5 includes outer ring knife 501, outer knife seat 502, outer knife female seat 503, the outer ring knife 501
Connected as one with outer knife seat 502, the outer knife seat 502 is provided with the screw thread being meshed, spiral shell with the outer knife female seat 503
Line can be left-hand thread or right-hand thread, and either up time can be carried out counterclockwise between outer knife seat 502 and outer knife female seat 503
The helical rotation of pin.Outer pad 504, outer pad are additionally provided between the bottom of the outer knife seat 502 and the outer knife female seat 503
Piece 504 can be elastomeric pad either rigid gasket.
During present invention work, there can be five kinds of embodiments, the first is when internal gasket 404 and outer pad 504 are all bullet
Property pad when, annular knife 401, which rotates, first to be cut, outer ring knife 501 rotate after cut.
It is for second that outer ring knife 501, which rotates, first to be cut, inner ring when internal gasket 404 and outer pad 504 are all elastomeric pad
Shape knife 401 is cut after rotating.
The third is annular knife 401 and outer ring knife 501 when internal gasket 404 and outer pad 504 are all elastomeric pad
The edge of a knife concordantly cut simultaneously simultaneously by rotation.
4th kind is to be fixed as one when outer pad 504 is changed to rigid gasket or outer cutter mechanism 5 with power bin 2, and interior pad
When piece 404 is elastomeric pad, outer ring knife 501 is that fixation does not rotate, and this is that outer ring knife 501 does not rotate vertical cut, annular
The rotary cutting of knife 401, such a situation are also classified into three kinds according to the height of the edge of a knife：A, annular knife 401, which rotates, first cuts and outer ring knife
501 do not rotate after cut；B, annular knife 401 is cut not rotate with outer ring knife 501 and first cut after rotating；C, annular knife 401 rotates
Do not rotate while cut with outer ring knife 501.
5th kind is and the outer pad when internal gasket 404 is changed to rigid disk or interior cutter mechanism and is fixed as one with power bin 2
504 when being elastomeric pad, and annular knife 401 is that fixation does not rotate, and this is that annular knife 401 does not rotate vertical cut, outer ring knife
501 rotary cuttings, such a situation are also classified into three kinds according to the height of the edge of a knife：D, annular knife 401, which does not rotate, first cuts and outer ring knife
Cut after 501 rotations；E, annular knife 401 is cut to rotate with outer ring knife 501 after not rotating and first cut；F, annular knife 401 does not rotate
Cut simultaneously with the rotation of outer ring knife 501.
Illustrated below with the first embodiment,
As shown in Fig. 2 edge height is more than the height of the edge of a knife after outer ring knife 5 is installed after the installation of annular knife 4, it is described to support
It is domatic corresponding with annular knife 4 on the boss 101 that nail seat 1 is set, the groove 102 that the resist-nailed seat 1 is set and outer ring knife 5
It is corresponding, and the setting of the bottom of groove 102 has cushioning effect knife anvil 103.
, ought when being performed the operation, it is necessary to which cut physiological tissue is fixed in resist-nailed seat 1 and when between power bin 2
When power bin 2 is by from the axial force for pushing the direction of resist-nailed seat 1 to below, power bin 10 drives interior cutter mechanism 4, outer knife machine
Structure 5 makees axial movement in the same direction, and because annular knife 401 is higher than outer ring knife 501, the point of a knife of annular knife 401 takes the lead in needing
Cut physiological tissue is connected to domatic on boss 101, and due to the stop of boss 101, now annular knife 401 can not be after
Continuous to move ahead, annular knife 401 is delivered on internal gasket 404 by the reaction force of boss 101, and internal gasket 404 now is bullet
Property pad, compress after stress and move down, interior knife seat 402 of its corresponding support also together moves down, due to interior knife seat 402 with it is interior
Screw thread is provided between knife female seat 403, interior knife seat 402 moves down will be along the interior rotary motion of knife female seat 403, so that interior knife
Stroma 402 drives annular knife 401 to carry out circumgyration incision to physiological tissue.Annular knife 401 carries out rotary cutting to physiological tissue
After the completion of cutting, now outer ring knife 501 is forwarded to connects with the physiological tissue, and subsequent outer ring knife 501 continues to move ahead, until
On the knife anvil 103 that the physiological tissue is abutted to the bottom of groove 102, now such as the cutting movement mode one of annular knife 401
Sample, outer ring knife 501 carries out circumgyration incision to physiological tissue, until physiological tissue cuts off completely.The physiological tissue cuts completely
From rear, power bin 2 drives pushing slice of nail to be axially moved to the direction of resist-nailed seat 1 so as to release the nail of the inside of nail bin 6, is shifted onto when nail
When supporting nail 104 the inside of groove of resist-nailed seat 1, pegs physiological tissue, so as to complete to coincide.
Second of embodiment, realized on the basis of the first embodiment by following change：
Edge height is less than edge height after the installation of outer ring knife 501 after the installation of the annular knife 401, described to support
The boss that nail seat 1 is set is corresponding with outer ring knife 501, and the groove 102 that the resist-nailed seat 1 is set is corresponding with annular knife 401.It is logical
Change more than crossing, from the operation principle of the first embodiment, second of embodiment can realize outer ring knife 501 first
Cut, the effect cut after annular knife 401.
The third described embodiment, the first embodiment either on the basis of second of embodiment by with
It is lower to change to realize：
Annular knife 401 is concordant with the edge of a knife face of outer ring knife 501, cancels the boss 101 that the resist-nailed seat 1 is set, interior
Endless knife 401 and outer ring knife 501 touch described physiological tissue and are pressed on to nail under the drive of power bin 2
Cut on seat 1.
The 4th kind of described embodiment, the first, second, pass through following change on the basis of the third embodiment
To realize：
When outer pad 504, which is changed to rigid disk or outer cutter mechanism 5, to be fixed as one with power bin 2, outer ring knife 501 is
Fixation does not rotate, and this is that outer ring knife 501 does not rotate vertical cut, the rotary cutting of annular knife 401.Now there are three kinds of cutting modes：Knife
Mouth is high first to be cut, and is cut after the edge of a knife is low, is cut simultaneously when the edge of a knife is concordant.Specific implementation process with reference to the first, second, the third
Embodiment.
The 5th kind of described embodiment, the first, second, pass through following change on the basis of the third embodiment
To realize：
When interior elastomeric pad 404, which is changed to rigid disk or interior cutter mechanism, to be fixed as one with power bin 2, annular knife 401
As fixation does not rotate vertical cut, the rotary cutting of outer ring knife 501.Now there are three kinds of cutting modes：The edge of a knife is high first to be cut, and the edge of a knife is low
After cut, cut simultaneously when the edge of a knife is concordant.Concrete implementation process with reference to the first, second, the third embodiment.
The above-mentioned description to embodiment is in order to which the those skilled in the art are understood that the present invention, is familiar with medicine equipment
The technical staff of industry obviously can easily make various modifications to these embodiments, and should General Principle described herein
Use in other technologies scheme, therefore the invention is not restricted to above-described embodiment, industry technical staff according to the announcement of the present invention,
The improvement and modification made for the present invention are all within protection scope of the present invention.
Claims (7)
1. it is a kind of can rotary-cut Crossed Circle knife anastomosis cut component, it is characterised in that：Including with resist-nailed seat, nail bin, interior cutter mechanism, outer
Cutter mechanism, power bin, power bin protective case and guide rod；The power bin is arranged on inside the power bin protective case, described dynamic
The end of power storehouse protective case is provided with nail bin；The outer cutter mechanism couples with power bin inner chamber neck, and the interior cutter mechanism is set
It is placed in inside outer cutter mechanism, the bottom of the interior cutter mechanism connects with power bin；The outer cutter mechanism includes outer ring knife, outer knife
Stroma, outer knife female seat, the outer ring knife connect as one with outer knife seat, are provided between outer knife seat and outer knife female seat and mutually nibble
The screw thread of conjunction, pad is provided between the bottom of the outer knife seat and the outer knife female seat；The interior cutter mechanism includes inner ring
Shape knife, interior knife seat, interior knife female seat, the annular knife connect as one with interior knife seat, interior knife seat and interior knife female seat it
Between be provided with the screw thread being meshed, be provided with pad between the bottom of the interior knife seat and the interior knife female seat；It is described to support nail
Seat is arranged on the top of the power bin protective case, and the resist-nailed seat is connected with the guide rod；Be additionally provided with the resist-nailed seat with
Groove is followed closely in corresponding the supporting in nail bin hole on the nail bin circumference.
2. according to claim 1 can rotary-cut Crossed Circle knife anastomosis cut component, it is characterised in that：The interior knife seat with it is described
Interior knife female seat is provided with the screw thread being meshed, and screw thread is left-hand thread or right-hand thread；The outer knife seat and the outer knife female seat
The screw thread being meshed is provided with, screw thread is left-hand thread or right-hand thread.
3. according to claim 1 can rotary-cut Crossed Circle knife anastomosis cut component, it is characterised in that：Described pad is rigid pad
Piece either elastomeric pad.
4. according to claim 3 can rotary-cut Crossed Circle knife anastomosis cut component, it is characterised in that：After the outer ring knife installation
Edge height after edge height is more than or less than or installed equal to the annular knife.
5. according to claim 4 can rotary-cut Crossed Circle knife anastomosis cut component, it is characterised in that：The resist-nailed seat be provided with
The outer ring knife, annular knife corresponding groove and boss.
6. according to claim 5 can rotary-cut Crossed Circle knife anastomosis cut component, it is characterised in that：Knife is provided with the groove
Anvil.
7. according to claim 1 can rotary-cut Crossed Circle knife anastomosis cut component, it is characterised in that：Nail on the nail bin circumference
Storehouse hole is a circle either multi-turn, being correspondingly arranged as a circle either multi-turn to nail groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610162305.1A CN105662510B (en) | 2016-03-21 | 2016-03-21 | It is a kind of can rotary-cut Crossed Circle knife anastomosis cut component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610162305.1A CN105662510B (en) | 2016-03-21 | 2016-03-21 | It is a kind of can rotary-cut Crossed Circle knife anastomosis cut component |
Publications (2)
| Publication Number | Publication Date |
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| CN105662510A CN105662510A (en) | 2016-06-15 |
| CN105662510B true CN105662510B (en) | 2018-03-02 |
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| CN201610162305.1A Active CN105662510B (en) | 2016-03-21 | 2016-03-21 | It is a kind of can rotary-cut Crossed Circle knife anastomosis cut component |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108245215A (en) * | 2016-12-29 | 2018-07-06 | 常州安康医疗器械有限公司 | The circular staplers that a kind of novel solid coincide |
| CN107468313B (en) * | 2017-08-28 | 2020-12-11 | 广州德脉医疗器械有限公司 | Foreskin suture cutter with suture and cutting separated structure |
| CN109171861A (en) * | 2018-09-19 | 2019-01-11 | 天津万和医疗器械有限公司 | A kind of Dual-motors Driving stapler |
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| Publication number | Publication date |
|---|---|
| CN105662510A (en) | 2016-06-15 |
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