CN101991450B - Linear seam cutting device - Google Patents
Linear seam cutting device Download PDFInfo
- Publication number
- CN101991450B CN101991450B CN201010576652.1A CN201010576652A CN101991450B CN 101991450 B CN101991450 B CN 101991450B CN 201010576652 A CN201010576652 A CN 201010576652A CN 101991450 B CN101991450 B CN 101991450B
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- CN
- China
- Prior art keywords
- clamp
- ejector pin
- nail bin
- pin bar
- cutting device
- 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.)
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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
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
Abstract
The invention discloses a linear seam cutting device, which comprises an upper clamp and a lower clamp, wherein the upper clamp and the lower clamp can be mutually closed or opened, the far end of the lower clamp is provided with a nail cabin, the lower clamp is in a U shape, a nail push rod and a cutter push rod are glidingly arranged in the lower clamp, a safety mechanism is arranged between the nail push rod and the lower clamp, and comprises a safety member and a safety matching part, wherein the safety member is arranged on the lower clamp, the safety matching part is correspondingly arranged on the nail push rod, the safety member and the safety matching part can be driven to be disconnected or connected through the installation or the removal of the nail cabin, and further, the nail push rod and the lower clamp can be disconnected or clamped and connected. The invention has the main advantages of simple structure, safety and reliability, is convenient to process, and has good popularized value.
Description
Technical field
The present invention relates to a kind of linear type seaming and cutting device, belong to technical field of medical instruments.
Background technology
Linear type seaming and cutting device is widely used in being used in the surgical operation wound suture, interior tissue is sewed up and cutting; Typical linear type seaming and cutting device such as 5129570 announcements of U.S. Pat; Have and sew up and two functions of cutting, when carrying out wound suture, excess tissue is excised.Such linear type seaming and cutting device generally comprises upper and lower two clamps; And the closed handle that is used for closed upper and lower clamp; Be oppositely arranged on the nail anvil and the nail bin of upper and lower clamp front end; Be located in the nail bin and can move ejector pin bar and cutting knife relative to said nail bin simultaneously, and be used to drive the push button that said ejector pin bar and cutting knife move.Be disposed with suturing nail in the said nail bin, said ejector pin bar promotes pushing slice of nail successively in order and pushes suturing nail to nail anvil, and said cutting knife will cut off at the tissue between nail bin and the nail anvil.
The nail bin of this apparatus be can change nonexpondable.When clinical use, often need repeatedly stitching to cut and organize, therefore when operation, need repeatedly change nail bin.Under the situation of not putting into nail bin, push button can be promoted forward arbitrarily, and then cutting knife can be pushed out, and only can cause and cut and unstitched serious consequence.Therefore, the linear type seaming and cutting device of prior art all can be provided with a kind of insurance institution.
U.S. Pat has disclosed a kind of insurance institution No. 5129570, and a safety block that has cutting knife passage and ejector pin bar passage is set at the middle part of apparatus, and shell fragment is set below cutting knife.When apparatus was shown in an open position (being that upper and lower two clamps are not closed), shell fragment was upspring cutting knife, made cutting knife can't pass through the cutting knife passage, played safety effect; When apparatus is loaded onto nail bin, and after upper and lower two clamp closures, nail bin compressing cutting knife top makes cutting knife overcome the elastic force of shell fragment and returns to the state with the cutting knife channel alignment, and insurance is at this moment removed, and apparatus can be pulled the trigger use.
U.S. Pat has disclosed another kind of insurance institution No. 7055730, and a safety block that has push broach bar passage and ejector pin bar passage is set at the middle part of apparatus, and this safety block can rotate around apparatus under the torsion spring effect.When apparatus was shown in an open position (being that upper and lower two clamps are not closed), safety block twisted, and made ejector pin bar and push broach bar all can't pass through passage, played safety effect; When apparatus is loaded onto nail bin; And after upper and lower two clamp closures; Nail bin compressing safety block make it overcome the elastic force of torsion spring and recover the normal position (be ejector pin bar and push broach bar respectively with its safety block on channel alignment); Make ejector pin bar and push broach bar all can pass through safety block, insurance is at this moment removed, and apparatus can be pulled the trigger use.
More than several kinds of equal more complicated of structure, processing assembling difficulty costs an arm and a leg.
Summary of the invention
The objective of the invention is to propose a kind of linear type seaming and cutting device with insurance institution of simple structure.
The object of the invention will be achieved through following technical scheme:
A kind of linear type seaming and cutting device; Comprise: can be each other the closed or upper and lower clamp opened, the said far-end of clamp down is provided with nail bin, said clamp down is a ∪ shape; Be provided with ejector pin bar and push broach bar in it slidably; Be provided with an insurance institution between said ejector pin bar and the following clamp, said insurance institution comprises that one is arranged at the safety piece on the said clamp down, and the insurance auxiliary section of relative set on said ejector pin bar; The installation of said nail bin or remove can drive said safety piece and the insurance auxiliary section breaks away from or is connected, and then makes said ejector pin bar and following clamp disengaging or clamping.
Further, said safety piece is a shell fragment, and the insurance auxiliary section of said ejector pin bar is for accommodating the draw-in groove of this shell fragment.
Further, said shell fragment comprises that one is used for by the movable end of said nail bin driving, reaches one and is used for and the said fixed stiff end of clamp down, and said movable end stretches in the draw-in groove of said ejector pin bar.
Further, said stiff end is welded in the said medial surface of clamp down.
Further, the lateral wall of said nail bin is for driving the actuator that said shell fragment breaks away from from the draw-in groove of said ejector pin bar.
Further, the distance between two medial walls of distance between two of said nail bin lateral walls and said clamp down is suitable.
Further, the lateral wall of said nail bin is a lozenges.
Beneficial effect of the present invention is mainly reflected in: simple in structure, easy to process, safe and reliable, and have excellent popularization and be worth.
Description of drawings
Fig. 1 is the exploded perspective view of clamp down of the present invention.
Fig. 2 is the cut-away view of down clamp of the present invention when nail bin is not installed.
Fig. 3 is the cut-away view after clamp down of the present invention is installed nail bin.
Wherein:
1 time clamp 11 medial walls 2 nail bin
21 lateral walls, 4 shell fragments, 41 stiff ends
42 movable ends, 5 ejector pin bars, 51 percussion ends
52 draw-in grooves
The specific embodiment
As shown in Figure 1, the invention provides a kind of insurance institution of linear type seaming and cutting device.Consistent with prior art, said linear type seaming and cutting device comprises cabinet, can be each other the closed or upper and lower clamp opened, the far-end of last clamp is provided with the nail anvil (not shown), the far-end of following clamp 1 is provided with nail bin 2.Certainly, the position of clamp can exchange up and down, just the present invention is in order to express clearly so definition.
Said clamp 1 down is a ∪ shape, and its far-end is provided with ejector pin bar 5 and push broach bar (not shown) slidably, is respectively applied for the percussion pushing slice of nail and comes the seaming and cutting tissue with the percussion cutting knife.During use, tissue is placed between nail anvil and the nail bin, involutory then upper and lower clamp, closed handle makes upper and lower clamp grip tissue, promotes to be arranged on the percussion push button of clamp near-end up and down then, the stitching that can implement to organize and cutting.
Characteristics of the present invention are: be provided with an insurance institution between the ejector pin bar 5 of said linear type seaming and cutting device and the following clamp 1.Said insurance institution comprises that one is arranged at the safety piece on the said clamp down, and the insurance auxiliary section of relative set on said ejector pin bar.In this preferred embodiment, said safety piece is a shell fragment 4, and the insurance auxiliary section of said ejector pin bar 5 is for accommodating the draw-in groove 52 of this shell fragment.Can see that from Fig. 1 said draw-in groove 52 is close to the percussion end 51 of said ejector pin bar 5 far-ends.
In conjunction with shown in Figure 2, said shell fragment 4 comprises that one is used for by the movable end 42 of said nail bin 2 drivings, and one is used for and said clamp 1 fixed stiff end 41 down.Further, said movable end 42 stretches in the draw-in groove 52 of said ejector pin bar 5, is used to limit said ejector pin bar moving axially with respect to following clamp.Said stiff end 41 is welded in the said medial surface 11 of clamp 1 down.Include two shell fragments 4 in this preferred embodiment, be symmetrically set in respectively on the medial wall 11 of the said both sides of clamp 1 down, corresponding, said ejector pin bar 5 is located at symmetric two draw-in grooves 52.
In conjunction with shown in Figure 3, among the present invention, the lateral wall 21 of said nail bin 2 is for driving the actuator that said shell fragment 4 breaks away from from the draw-in groove 52 of said ejector pin bar 5.When nail bin 2 was not installed, the movable end 42 of said shell fragment 4 stretched in the draw-in groove 52 of said ejector pin bar 5, was used to limit said ejector pin bar with respect to what play clamp and moved axially both relative clampings.Behind the nail bin 2 of packing into, the said shell fragment 4 of lateral wall 21 compressings of nail bin 2 breaks away from the movable end 42 of said shell fragment 4 from the draw-in groove 52 of said ejector pin bar 5, and then said ejector pin bar 5 and following clamp 1 are broken away from, and both can move to axial.Further, in order to realize This move better, the distance between two medial walls 11 of distance between two lateral walls 21 of said nail bin 2 and said clamp 1 down is roughly suitable.Further, more easily enter into the said inside of clamp 1 down in order to make nail bin 2, the lateral wall 21 of said nail bin 2 is set to lozenges.
The present invention still has numerous embodiments, and all employing equivalents or equivalent transformation and all technical schemes of forming all drop within protection scope of the present invention.
Claims (3)
1. linear type seaming and cutting device; Comprise: can be each other the closed or upper and lower clamp opened, the said far-end of clamp down is provided with nail bin, said clamp down is a ∪ shape; Be provided with ejector pin bar and push broach bar in it slidably; It is characterized in that: be provided with an insurance institution between said ejector pin bar and the following clamp, said insurance institution comprises that one is arranged at the safety piece on the said clamp down, and the insurance auxiliary section of relative set on said ejector pin bar; The installation of said nail bin or remove can drive said safety piece and the insurance auxiliary section breaks away from or is connected, and then makes said ejector pin bar and following clamp disengaging or clamping; Said safety piece is a shell fragment, and the insurance auxiliary section of said ejector pin bar is for accommodating the draw-in groove of this shell fragment; Said shell fragment comprises that one is used for by the movable end of said nail bin driving, reaches one and is used for and the said fixed stiff end of clamp down, and said movable end stretches in the draw-in groove of said ejector pin bar; Said stiff end is welded in the said medial surface of clamp down; The lateral wall of said nail bin is for driving the actuator that said shell fragment breaks away from from the draw-in groove of said ejector pin bar.
2. linear type seaming and cutting device according to claim 1 is characterized in that: the distance between the medial wall of distance between two lateral walls of said nail bin and said clamp down is suitable.
3. linear type seaming and cutting device according to claim 1 is characterized in that: the lateral wall of said nail bin is a lozenges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010576652.1A CN101991450B (en) | 2010-12-07 | 2010-12-07 | Linear seam cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010576652.1A CN101991450B (en) | 2010-12-07 | 2010-12-07 | Linear seam cutting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101991450A CN101991450A (en) | 2011-03-30 |
| CN101991450B true CN101991450B (en) | 2012-09-19 |
Family
ID=43782546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010576652.1A Active CN101991450B (en) | 2010-12-07 | 2010-12-07 | Linear seam cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101991450B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102068291A (en) * | 2010-12-16 | 2011-05-25 | 苏州天臣国际医疗科技有限公司 | Linear seam cutter |
| CN102160811B (en) * | 2011-05-17 | 2012-05-30 | 苏州贝诺医疗器械有限公司 | Suturing instrument with empty nail chamber protection |
| CN103181804B (en) * | 2011-12-30 | 2015-11-25 | 苏州天臣国际医疗科技有限公司 | Medical linear sewing and cutting machine |
| CN103654896B (en) | 2012-09-14 | 2015-12-02 | 苏州天臣国际医疗科技有限公司 | The nail bin of Linear seam cutting device |
| ES2824426T3 (en) * | 2013-12-31 | 2021-05-12 | Touchstone Int Medical Science Co Ltd | Linear cutting stapler |
| CN108670339B (en) * | 2018-06-12 | 2024-03-29 | 广西医科大学第一附属医院 | Intracavity stitching instrument |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5129570A (en) * | 1990-11-30 | 1992-07-14 | Ethicon, Inc. | Surgical stapler |
| US7055730B2 (en) * | 2000-10-13 | 2006-06-06 | Tyco Healthcare Group Lp | Surgical fastener applying apparatus |
| CN101869497A (en) * | 2010-06-10 | 2010-10-27 | 苏州天臣国际医疗科技有限公司 | Sewing and cutting machine |
| CN102138815A (en) * | 2010-11-17 | 2011-08-03 | 苏州天臣国际医疗科技有限公司 | Suture device for surgical operation |
| CN201939413U (en) * | 2010-12-07 | 2011-08-24 | 苏州天臣国际医疗科技有限公司 | Linear type sewing-cutting machine |
-
2010
- 2010-12-07 CN CN201010576652.1A patent/CN101991450B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5129570A (en) * | 1990-11-30 | 1992-07-14 | Ethicon, Inc. | Surgical stapler |
| US7055730B2 (en) * | 2000-10-13 | 2006-06-06 | Tyco Healthcare Group Lp | Surgical fastener applying apparatus |
| CN101869497A (en) * | 2010-06-10 | 2010-10-27 | 苏州天臣国际医疗科技有限公司 | Sewing and cutting machine |
| CN102138815A (en) * | 2010-11-17 | 2011-08-03 | 苏州天臣国际医疗科技有限公司 | Suture device for surgical operation |
| CN201939413U (en) * | 2010-12-07 | 2011-08-24 | 苏州天臣国际医疗科技有限公司 | Linear type sewing-cutting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101991450A (en) | 2011-03-30 |
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