CN201930014U - Linear type surgical binding instrument - Google Patents
Linear type surgical binding instrument Download PDFInfo
- Publication number
- CN201930014U CN201930014U CN 201020651235 CN201020651235U CN201930014U CN 201930014 U CN201930014 U CN 201930014U CN 201020651235 CN201020651235 CN 201020651235 CN 201020651235 U CN201020651235 U CN 201020651235U CN 201930014 U CN201930014 U CN 201930014U
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- CN
- China
- Prior art keywords
- nail bin
- cutting knife
- slide block
- binding instrument
- surgical binding
- 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
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Abstract
The utility model discloses a linear type surgical binding instrument comprising an upper forcep holder, a lower forcep holder and a nail bin arranged on the lower forcep holder, wherein a cutting knife, a sliding block and an elastic position blocking component are arranged in the nail bin, and the far end of a knife sealing piece is provided with a groove which can be used for completely containing the sliding block. When the components of the nail bin are in an initial state, the sliding block is positioned at the top of the elastic position blocking component and also generates acting force which relatively acts on the elastic position blocking component, and the near end of the sliding block is abutted with the far end of the cutting knife. When the components of the nail bin are in a triggering termination state, the sliding block is completely contained in the groove at the far end of the knife sealing piece, and the elastic position blocking component contacts with the far end of the cutting knife so as to obstruct the sliding of the cutting knife to the far end of the nail bin. According to the linear type surgical binding instrument, the structure is simple, the condition that the action of false triggering is exerted in the entire process from the termination of the triggering of the instrument to the replacement of a new nail bin is prevented, the probability that the instrument is falsely triggered for the second time is completely avoided, and the safety is higher.
Description
Technical field
This utility model relates to a kind of linear surgical Binding Instrument, belongs to technical field of medical instruments.
Background technology
The surgery sewing and cutting machine is widely used in being used in the surgical operation wound suture, interior tissue is sewed up and cutting, typical surgery sewing and cutting machine such as U.S. Pat 5129570 announcement, have and sew up and two functions of cutting, when carrying out wound suture, excess tissue is excised.Such surgery sewing and cutting machine 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 clamp far-end up and down, be located in the nail bin and ejector pin bar, pushing slice of nail and the cutting knife that can move relative to described nail bin simultaneously, and be used to promote the push button that described pushing slice of nail and cutting knife move.Be provided with suturing nail in the described nail bin, described pushing slice of nail is pushed suturing nail to nail anvil, and described cutting knife will cut off at the tissue between nail bin and the nail anvil.
The mistake firing action is meant after apparatus was pulled the trigger once, do not have the secondary percussion of carrying out under the situation of nail once more in nail bin, such consequence is that closed good nail pushes once more, causes the excessive shaping of nail, cause closed mouth bad, serious malpractice or sequela occur.
In order to prevent that this type of phenomenon from producing, the surgery sewing and cutting machine of prior art all can be provided with a kind of mechanism that prevents the mistake percussion.
U.S. Pat has disclosed a kind of mistake firing lock that prevents for No. 5129570, at the middle part of apparatus a safety block that has cutting knife passage and ejector pin bar passage is set, and shell fragment is set below cutting knife.When apparatus is shown in an open position is upper and lower two clamps when not closed, and shell fragment is upspring cutting knife, makes cutting knife can't pass through the cutting knife passage.After apparatus was loaded onto nail bin, the cross bar compressing cutting knife top that the nail bin head lamp brush guard pivot is provided with made cutting knife overcome shell fragment elastic force, and returns to the position that can pass through the cutting knife passage, and at this moment apparatus can be pulled the trigger use.After apparatus percussion finished, cutting knife was pulled initial position, and this moment, cross bar was rotated to the position that can not oppress the cutting knife top, and cutting knife is upspring by shell fragment again, is stuck in the cutting knife passage to pass through, and played the effect of by mistake being pulled the trigger of preventing.
U.S. Pat has disclosed another kind for No. 7055730 and has prevented the mistake firing lock, at the head of cutting knife a protective sleeve is installed, and this protective sleeve is connected on the nail bin with pin, and can rotate around pin under the effect of button spring.Described protective sleeve cooperates together with cutting knife before apparatus percussion, plays the effect of protection blade on the one hand, and maintenance level on the other hand makes the apparatus can closure.After the apparatus percussion finished, cutting knife returned to initial position, and protective sleeve disengaging this moment cooperates with cutting knife; in a single day apparatus is opened; protective sleeve upset and standing vertically between nail anvil and nail bin under the effect of button spring immediately makes the apparatus can't be closed, the probability of having avoided apparatus to be pulled the trigger by sky.But in fact this mechanism do not avoid apparatus percussion finish back, apparatus open before by empty percussion probability, institute in case the effect of secondary mistake percussion be not after being applied in apparatus and pulling the trigger to the whole process of changing new nail bin, also have certain operation risk.
The utility model content
The purpose of this utility model provides a kind of nail bin groupware with surgery sewing and cutting machine that prevents mistake percussion operation of simple structure.
The purpose of this utility model is achieved through the following technical solutions:
A kind of linear surgical Binding Instrument, comprise: upper and lower clamp, be arranged on down the nail bin on the clamp, described nail bin comprises a tool slot, is provided with a cutting knife that can move back and forth along its axis in it, and described cutting knife comprises that a cutting knife bottom surface and is positioned at the blade of cutting knife far-end, be provided with a slide block and an elasticity gear spare in the described nail bin, the far-end of described nail bin bottom is provided with the receiving space that can accommodate described slide block, and described nail bin groupware comprises original state and percussion done state
When described nail bin groupware was in original state, described slide block was positioned at the top of elasticity gear spare and produces an active force, and described active force limits described elasticity gear spare top and exceeds plane, place, cutting knife bottom surface, the far-end adjacency of the near-end of described slide block and cutting knife,
When described nail bin groupware is in percussion during done state, described slide block is left on the far-end of nail bin, makes described elasticity gear spare top exceed the cutting knife bottom surface and contacts with the cutting knife far-end, and then stop that cutting knife slides to the nail bin far-end.
Further, described elasticity gear spare comprises the spring that plays button and be connected to described bullet button bottom, and described slide block is positioned at the top of described bullet button when original state.
Further, described nail bin also comprises a through hole, and described bullet button, spring are arranged in the described through hole, and the axis of described through hole and the axis normal of described tool slot and both link, and the top of described bullet button is extended described through hole under the effect of spring.
Further, described nail bin also comprises a cushion block, and described cushion block is fixed on the described nail bin, and the other end of described spring is against the end face of described cushion block.
Further, described through hole comprises a step, and described bullet button comprises a boss, and the external diameter of described boss is greater than the internal diameter of described step.
Further, the top of described bullet button is a wedge-shaped part.
Further, described elasticity gear spare comprises spill spin block and the torsion spring that acts on the described spill spin block, described spill spin block comprises that can be limited the plane that described push broach bar moves when screw assembly is in the percussion state, and described slide block is positioned at the top of described spill spin block when original state.
Further, the minimum range of described plane between the axis of rotation of spill spin block, greater than described cutting knife bottom surface to the vertical dimension between the axis of rotation of spill spin block.
Further, described elasticity gear spare is an elastic sheet metal, and an end of described elastic sheet metal is fixedlyed connected with described nail bin bottom; The other end is against the bottom of described slide block when nail bin groupware is in original state, limit described push broach bar and move when nail bin groupware is in the percussion state.
Further, described receiving space is a groove, the width of described groove, highly all more than or equal to the width of described slide block, highly; Described groove to the ultimate range of through hole less than, equal the movable distance of described cutting knife in tool slot.
The beneficial effects of the utility model are mainly reflected in: simple in structure, prevent that the effect of by mistake pulling the trigger is applied in apparatus and is finished in the whole process of changing new nail bin by percussion, and avoided apparatus by the probability of secondary mistake percussion fully, safety is higher.
Description of drawings
Fig. 1 is the structural representation of the nail bin groupware of this utility model first embodiment.
Fig. 2 is along the cutaway view of A-A among Fig. 1.
Fig. 3 is the enlarged drawing of B part among Fig. 1.
Fig. 4 is the exploded perspective view of the nail bin groupware of this utility model first embodiment.
Fig. 5 is the structural representation of the nail bin groupware of this utility model second embodiment in original state.
Fig. 6 is the structural representation of the nail bin groupware of this utility model second embodiment at the percussion state.
Wherein:
1 nail bin, 2 sealing blades, 3 through holes
4 slide blocks 5 play button 6 springs
7 cushion blocks, 8 cutting knifes, 9 grooves
10 cutting knife bottom surfaces, 11 blades, 12 steps
13 boss, 14 spill spin blocks, 15 torsion springs
16 planes
The specific embodiment
This utility model provides a kind of linear surgical Binding Instrument, especially its nail bin groupware, first embodiment shown in Fig. 1-4, the same with prior art, comprise: nail bin 1 that interfixes and sealing blade 2, described nail bin 1 comprises a tool slot, is provided with a cutting knife 8 that can move back and forth along its axis in it, and described cutting knife 8 comprises a cutting knife bottom surface 10 and a blade 11.Certainly, also comprise in the nail bin 1 and put the nail hole and place this to put pushing slice of nail and the nail etc. of nail in the hole, since irrelevant with this utility model, so do not add description.
[first embodiment]
The near-end lower surface of described nail bin 1 is provided with a through hole 3 that connects with described tool slot, " front and back " of the present utility model direction be meant among the figure " about " direction, " up and down " direction is meant " up and down " direction among the figure.In this preferred embodiment, be provided with a bullet button 5 that can move back and forth along this through-bore axis in the described through hole 3, the below of described bullet button 5 is provided with a spring 6, and an end of described spring 6 is connected to described bullet button 5, makes bullet button 5 be subjected to a thrust that trends towards described cutting knife bottom surface 10 all the time.The below of described spring 6 is provided with a cushion block 7, and an end of described spring 6 is connected to the end face of described cushion block 7, and described cushion block 7 is anchored on the lower surface of described nail bin 1.Like this, described spring 6 promptly orders about described bullet button 5 and trends towards described cutting knife 8 motions all the time.
Certainly, also can omit cushion block 7, the other end of spring 6 directly is connected on the described sealing blade 2.Specifically as shown in Figure 3, described through hole 3 comprises a step 12, and described bullet button 5 comprises a boss 13, and the external diameter of described boss 13 is greater than the internal diameter of described step 12, even the active force of spring 6 acts on the described bullet button 5 so always, described bullet button 5 can not carried on the back yet and eject in described through hole 3.Further, as shown in the figure, the top that plays button 5 is a wedge-shaped part, and this wedge-shaped part is extended described through hole 3 under the effect of spring 6.In the present embodiment, described bullet button 5 and spring 6 are formed elasticity gear spare of the present utility model.
Described nail bin groupware of the present utility model comprises original state and percussion done state two states, when described nail bin groupware is in original state, the place ahead of the top of described through hole 3, cutting knife 8 is provided with a slide block 4, and described slide block 4 is positioned at the top that plays button 5 and produces an active force relativity in described bullet button 5.The shape of slide block 4 is indefinite, and the rectangle among the figure is an example only, can slide into its far-end from the near-end of nail bin as long as guarantee slide block 4 in this utility model.The far-end of described sealing blade 2 is provided with a groove 9, the width of described groove 9, highly all more than or equal to the width of described slide block 4, highly.Described groove 9 is less than or equal to the movable distance of described cutting knife 8 to the ultimate range of through hole 3.Guarantee that like this slide block 4 when the near-end of nail bin slides into its far-end, can fall in the described groove 9, relatively be easy to fall into groove, the front and back sides of slide block can be designed to domatic in order to make slide block; Optionally, the receiving space of placing slide block can be arranged on the distal-most end of nail bin bottom or the distal-most end of sealing blade, receiving space can not be a groove like this, and is the idle area of the inaccessible nail bin far-end of cutting knife.
The work process of this preferred embodiment below underdraws:
When described nail bin groupware was in original state, bullet button 5, spring 6, cushion block 7 were assemblied in the through hole 3 of nail bin according to priority, and described slide block 4 is connected to and plays between button 5 and the cutting knife bottom surface 10, and promptly this moment, slide block 4 was pushed down bullet button 5.When nail bin is in the percussion process, cutting knife 8 promotes slide block 4 and travels forward, and slide block 4 can fall in motor process in the groove 9 of reservation, and slide block 4 promptly can not return to initial position like this, in this process, described bullet button 5 is against on the cutting knife bottom surface 10 of cutting knife 8 all the time.When nail bin groupware is in the percussion done state, promptly this moment, cutting knife 8 was pulled back to initial position, play button 5 this moment owing to lost the compressing of slide block 4, under spring 6 active forces, pop up, make it be fixed in the far-end of described blade 11, cutting knife 8 is blocked and can not advance by bullet button 5 like this, and apparatus promptly can not be reached the purpose of this utility model by the percussion of secondary mistake.
[second embodiment]
As Fig. 5, shown in Figure 6, elasticity gear spare in the present embodiment comprises that pivot is arranged at the spill spin block 14 and the torsion spring 15 that acts on the described spill spin block 14 in the nail bin, and described torsion spring 15 applies one all the time and orders about the active force that described spill spin block 14 rotates along clockwise direction among the figure.Described spill spin block 14 comprises that can be limited the plane 16 that described push broach bar moves when screw assembly is in the percussion state, and described slide block 4 is positioned at the top of described spill spin block 14 when original state.
When described nail bin groupware was in the original state of Fig. 5, described slide block 4 was pushed down spill spin block 14.When nail bin is in the percussion process, cutting knife 8 promotes slide block 4 and travels forward, and slide block 4 can fall in motor process in the groove 9 of reservation, and slide block 4 promptly can not return to initial position like this, in this process, described spill spin block 14 is against on the cutting knife bottom surface 10 of cutting knife 8 all the time.When nail bin groupware was in the percussion state, as shown in Figure 6, this moment, cutting knife 8 was pulled back to initial position, and spill spin block 14 turns clockwise under torsion spring 15 active forces owing to lost the compressing of slide block 4 at this moment.In the present embodiment, the vertical dimension that described plane 16 is arrived between the axis of rotation of spill spin block 14 greater than described cutting knife bottom surface 10 to the minimum range between the axis of rotation of spill spin block 14, guarantee like this spill spin block 14 rotate to Fig. 6 state under, the far-end of described blade 11 can be fixed in described plane 16, cutting knife 8 is rotated piece 14 and blocks and can not advance like this, apparatus promptly can not be reached the purpose of this utility model by the percussion of secondary mistake.
Described herein far-end is the end away from the operator, and near-end is the end near the operator.This utility model still has numerous embodiments, and for example, elasticity gear spare is an elastic sheet metal, and an end of described elastic sheet metal is fixedlyed connected with described sealing blade 2; The other end is against the bottom of described slide block 4 when nail bin groupware is in original state, when nail bin groupware is in the percussion state, because slide block has been contained in the groove 9, the other end of described elastic sheet metal ejects certain distance, be the far-end that this elastic sheet metal is fixed in described blade 11, limit described push broach bar and move.All employing equivalents or equivalent transformation and all technical schemes of forming all drop within the protection domain of the present utility model.
Claims (10)
1. linear surgical Binding Instrument, comprise: upper and lower clamp, be arranged on down the nail bin (1) on the clamp, described nail bin (1) comprises a tool slot, be provided with a cutting knife (8) that can move back and forth along its axis in it, described cutting knife (8) comprises that a cutting knife bottom surface (10) and is positioned at the blade (11) of cutting knife far-end, is characterized in that:
Be provided with a slide block (4) and an elasticity gear spare in the described nail bin (1), the far-end of described nail bin bottom is provided with the receiving space that can accommodate described slide block (4),
Described nail bin groupware comprises original state and percussion state,
When described nail bin groupware is in original state, described slide block (4) is positioned at the top of elasticity gear spare and produces an active force, described active force limits described elasticity gear spare top and exceeds plane, place, cutting knife bottom surface (10), the far-end adjacency of the near-end of described slide block (4) and cutting knife (8)
When described nail bin groupware is in percussion during done state, described slide block (4) is left on the far-end of nail bin, makes described elasticity gear spare top exceed cutting knife bottom surface (10) and contacts with the cutting knife far-end, and then stop that cutting knife slides to the nail bin far-end.
2. linear surgical Binding Instrument according to claim 1 is characterized in that: described elasticity gear spare comprises the spring (6) that plays button (5) and be connected to described bullet button (5) bottom, and described slide block (4) is positioned at the top of described bullet button (5) when original state.
3. linear surgical Binding Instrument according to claim 2, it is characterized in that: described nail bin also comprises a through hole (3), described bullet button (5), spring (6) are arranged in the described through hole (3), the axis of described through hole (3) and the axis normal of described tool slot and both link, and the top of described bullet button (5) is extended described through hole (3) under the effect of spring (6).
4. linear surgical Binding Instrument according to claim 3 is characterized in that: described nail bin also comprises a cushion block (7), and described cushion block (7) is fixed on the described nail bin, and the other end of described spring is against the end face of described cushion block (7).
5. linear surgical Binding Instrument according to claim 4 is characterized in that: described through hole (3) comprises a step (12), and described bullet button (5) comprises a boss (13), and the external diameter of described boss (13) is greater than the internal diameter of described step (12).
6. linear surgical Binding Instrument according to claim 5 is characterized in that: the top of described bullet button (5) is a wedge-shaped part.
7. linear surgical Binding Instrument according to claim 1, it is characterized in that: described elasticity gear spare comprises spill spin block (14) and acts on torsion spring (15) on the described spill spin block (14), described spill spin block (14) comprises that can be limited the plane (16) that described push broach bar moves when screw assembly is in the percussion state, and described slide block (4) is positioned at the top of described spill spin block (14) when original state.
8. linear surgical Binding Instrument according to claim 7, it is characterized in that: described plane (16) minimum range between the axis of rotation of spill spin block (14), greater than described cutting knife bottom surface (10) to the vertical dimension between the axis of rotation of spill spin block (14).
9. linear surgical Binding Instrument according to claim 1 is characterized in that: described elasticity gear spare is an elastic sheet metal,
One end of described elastic sheet metal is fixedlyed connected with described nail bin bottom;
The other end is against the bottom of described slide block (4) when nail bin groupware is in original state, limit described push broach bar and move when nail bin groupware is in the percussion state.
10. according to claim 2 or 7 or 9 described any one linear surgical Binding Instruments, it is characterized in that: described receiving space is a groove (9), the width of described groove (9), highly all more than or equal to the width of described slide block (4), highly; Described groove (9) to the ultimate range of through hole (3) less than, equal the movable distance of described cutting knife (8) in tool slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020651235 CN201930014U (en) | 2010-12-10 | 2010-12-10 | Linear type surgical binding instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020651235 CN201930014U (en) | 2010-12-10 | 2010-12-10 | Linear type surgical binding instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201930014U true CN201930014U (en) | 2011-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020651235 Expired - Fee Related CN201930014U (en) | 2010-12-10 | 2010-12-10 | Linear type surgical binding instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201930014U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101991452A (en) * | 2010-12-10 | 2011-03-30 | 苏州天臣国际医疗科技有限公司 | Linear type surgical stapling apparatus |
-
2010
- 2010-12-10 CN CN 201020651235 patent/CN201930014U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101991452A (en) * | 2010-12-10 | 2011-03-30 | 苏州天臣国际医疗科技有限公司 | Linear type surgical stapling apparatus |
| WO2012075918A3 (en) * | 2010-12-10 | 2012-12-13 | 苏州天臣国际医疗科技有限公司 | Staple chamber assembly and linear surgical stitching device using said staple chamber assembly |
| US9931120B2 (en) | 2010-12-10 | 2018-04-03 | Touchstone International Medical Science Co., Ltd. | Staple chamber assembly and linear surgical stitching device using said staple chamber assembly |
| US10675029B2 (en) | 2010-12-10 | 2020-06-09 | Touchstone International Medical Science Co., Ltd. | Staple chamber assembly and linear surgical stitching device using said staple chamber assembly |
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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: 20110817 Termination date: 20121210 |