CN102599955A - Stitching instrument with scalpel and triggering security device of stitching instrument - Google Patents
Stitching instrument with scalpel and triggering security device of stitching instrument Download PDFInfo
- Publication number
- CN102599955A CN102599955A CN2012100945666A CN201210094566A CN102599955A CN 102599955 A CN102599955 A CN 102599955A CN 2012100945666 A CN2012100945666 A CN 2012100945666A CN 201210094566 A CN201210094566 A CN 201210094566A CN 102599955 A CN102599955 A CN 102599955A
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- connecting block
- safety
- lower connecting
- locating piece
- stiching instrument
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Abstract
The invention relates to a stitching instrument with a scalpel and a triggering security device of the stitching instrument. The triggering security device comprises a security sheet, an up and down connecting block, a positioning block, an adjusting plate, a resetting block and a resetting push button, wherein the positioning block is provided with an inner cavity, a through groove is arranged at the upper end of the positioning block, a spring mounting hole is arranged on the right side of the positioning block, the up and down connecting block and the adjusting plate are mounted on the positioning block via the through groove, one end of the adjusting plate is fixed with the resetting block, one end of the security sheet is connected with the upper end of the up and down connecting block, and the resetting push button is mounted on the resetting block via a hinge pin. The stitching instrument with the scalpel and the triggering security device of the stitching instrument are reasonable in design and compact in structure. During usage, a propelling mechanism is locked or resets after triggering is finished due to a limiting effect of the security sheet, so that secondary triggering is prevented. The stitching instrument with the scalpel and the triggering security device are safe and can guarantee normal surgery.
Description
Technical field
The present invention relates to a kind of surgical operation and use medical apparatus and instruments, particularly relate to a kind of percussion safety with the cutter stiching instrument.
Background technology
In the orthopaedic surgical operations operation, medical suturing instrument has become the requisite medical assistance apparatus in the tissue sewing process.Along with the development and the research and development of products of medical science, more and more multi-functional seam nail series products is applied to clinical, and the scope of application has related to every field such as gastrointestinal surgery, Genneral Surgery, thoracic surgery, Urology Surgery, gynecological, becomes one of doctor's necessary tool.The application of medical suturing instrument have in the operation hemorrhage less, operating time short, can reduce error hand-manipulated, avoid infection, postoperative function recovers plurality of advantages such as fast.
A kind of product commonly used is the straight cuts stiching instrument in the medical suturing instrument, is mainly used in the opening of sewing up cavity tissue, sews up mouth neatly and very firm, is not easy to take place the stitching stomatorrhagia.Initial straight line stiching instrument has only the function of stitching, after tissue apposition finishes, need the doctor manually unnecessary tissue to be sliced off, and the doctor is not easy to grasp the distance between line of cut and the stitching thread, and then causes line of cut irregular, and the risk that leakage blood takes place is very big.
Therefore, be directed to the operation of human body privileged sites, developed the stiching instrument that directly has cutter, for example Johson & Johnson produces triumphant way; It has remedied the shortcoming of straight line stiching instrument to a certain extent, can accomplish the action of sewing up and cutting simultaneously, and the apparatus bar is longer; Be provided with handle and trigger, make things convenient for the doctor to operate, than the traditional line stiching instrument; This apparatus can be saved doctor's operating time greatly, reduces amount of bleeding, improves success rate of operation.
But; The stiching instrument class apparatus of existing band cutting knife; All be on the basis of original straight line stiching instrument, at cutting knife of two row's suturing nail center fixed, the cut direction of cutting knife is vertical with sutural direction; Cutting knife under the effect of thrust with pushing slice of nail one in the same way the nail supporting base direction do single lengthwise movement, lean on longitudinally moment thrust will organize and organize following Equipment on turning-machine for setting-on cutting tools cut-out.The advantage of this structure is simple in structure, and shortcoming is an effort when cutting and organizing, and the cut edge is irregular, and the seam nail tilts to the direction of cutting knife easily, causes the molding of seam nail relatively poor, sews up defectives such as mouthful leakiness.
This shows that above-mentioned existing band cutter stiching instrument obviously still has inconvenience and defective, and demands urgently further improving in structure and use.How to found that a kind of percussion power is littler, the molding of seam nail is better and can prevent the percussion of secondary mistake, the band cutter stiching instrument of security insurance, real one of the current important research and development problem that belongs to.
Summary of the invention
The technical problem that the present invention will solve provides a kind of band cutter stiching instrument percussion safety, will lock fully after the percussion of band cutter stiching instrument, and whole apparatus can not be done any action, and firing action is accomplished.
For solving the problems of the technologies described above; The present invention's a kind of band cutter stiching instrument and percussion safety thereof; It is characterized in that comprising safety plate, go up lower connecting block, locating piece, adjustable plate, resetting block and reset to push away and turn round; Wherein: locating piece is provided with inner chamber, and the locating piece upper end offers groove, and the right side is provided with spring mounting hole; Last lower connecting block and adjustable plate are installed on the locating piece through the groove that is provided with, and an end and the resetting block of adjustable plate fix; Safety plate one end is connected with last lower connecting block upper end; Reset to push away to turn round and be installed on the resetting block through bearing pin.
As a kind of improvement of the present invention, the described lower connecting block of going up is made up of the round platform of different-diameter.
Described safety plate adopts " L " shape structure of upper end band barb, and the safety plate end also is provided with a draw-in groove.
Described adjustable plate is provided with two planes, offers a sliding tray on first plane, and second plane is fixedly connected with resetting block.
Described sliding tray is made up of one section track groove and a circular trough.
The said draw-in groove of going up intermediary draw-in groove of lower connecting block first round platform and safety plate end matches;
The said upward first round platform lower semisection diameter of lower connecting block and the internal diameter of the track groove that adjustable plate first plane is offered match; The internal diameter of the circular trough that second round platform of last lower connecting block and adjustable plate first plane are offered matches; The 3rd round platform external diameter and the described locating piece intracavity of last lower connecting block directly match.
Be provided with spring between described locating piece inner chamber and last lower connecting block the 3rd round platform; In the installing hole on locating piece right side displacement spring is installed, the other end and the adjustable plate of displacement spring contact.
Offer cotter way on the described resetting block.
The present invention also provides a kind of band cutter stiching instrument, comprises jaw, nail bin groupware, propulsive mechanism, firing lock and above-mentioned safety, and wherein, described safety are installed in the jaw, and contact is connected with nail bin groupware.
After adopting such design, the invention provides a kind of band cutter stiching instrument and percussion safety thereof, reasonable in design, compact conformation; In the use because the safety block effect; The complete locked or propulsive mechanism that resets after percussion is accomplished prevents the secondary percussion, security insurance; Can guarantee to perform the operation and normally carry out, therefore be more suitable for promoting the use of.
Description of drawings
Above-mentioned only is the general introduction of technical scheme of the present invention, understands technological means of the present invention in order can more to know, below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed description.
Fig. 1 is the locating piece structural representation of safety of the present invention.
Fig. 2 is the locating piece generalized section of safety of the present invention.
Fig. 3 is the last lower connecting block structural representation of safety of the present invention.
Fig. 4 is the last lower connecting block generalized section of safety of the present invention.
Fig. 5 is the safety plate structural representation of safety of the present invention.
Fig. 6 is the adjustable plate structural representation of safety of the present invention.
Fig. 7 is the adjustable plate and the resetting block structural representation of safety of the present invention.
Fig. 8 is a safety structural representation of the present invention.
Fig. 9 is a safety cross-sectional view of the present invention.
Figure 10 is a kind of band cutter of the present invention stiching instrument structural representation.
Figure 11 is a kind of band cutter of the present invention stiching instrument head construction sketch map.
Figure 12 is the view of the present invention at the percussion front guard frame.
Figure 13 is the view of the present invention's safety after percussion is accomplished.
The specific embodiment
A kind of safety with the cutter stiching instrument of the present invention comprise locating piece 31, go up lower connecting block 32, safety plate 33, adjustable plate 34, resetting block 35 and reset to push away and turn round 36.
Wherein, see also Fig. 1, shown in Figure 2, locating piece 31 is provided with inner chamber 311, and the upper end offers groove 312, and the right side is provided with spring mounting hole 313, and the locating piece left and right sides is respectively equipped with a pair of installation base 314.
Preferable, as shown in the figure, locating piece 31 is a rectangular block, and spring mounting hole 313 is located in the middle of a pair of installation base 314 in right side, and locating piece inner chamber 311 is cylindrical, and locating piece 31 upper end grooves 312 both sides also are provided with one section circular arc identical with the inner chamber internal diameter.
Please cooperate and consult Fig. 3, shown in Figure 4; Last lower connecting block 32 is made up of the frustum cone structure of different-diameter; Be provided with groove 3211 in the middle of first round platform 321 of last lower connecting block 32; The external diameter of second round platform 322 is greater than first round platform, 321 external diameters, and the external diameter of the 3rd round platform 323 is greater than the external diameter of second round platform 322, and wherein the 3rd round platform 323 bottom surfaces are provided with an inner chamber 3231.
Please cooperate and consult shown in Figure 5ly, safety plate 33 adopts " L " shape structure of upper end band barbs, and safety plate 33 ends are provided with a draw-in groove 331.
Preferable, as shown in the figure, both sides, safety plate 33 front and back also are provided with the card platform 332 that usefulness is installed.
Please cooperate and consult Fig. 6, shown in Figure 7; Adjustable plate 34 is made up of first plane 341 and second plane, 342 two parts; Offer a sliding tray on first plane 341, sliding tray is made up of track groove 3411 and circular groove 3412, and 342 front and back, second plane also are provided with two sliding cams 3421.
Resetting block 35 is provided with a pin-and-hole 351, turns round 36 and is connected with resetting to push away through bearing pin cooperate to be installed.
Preferable, Fig. 6, shown in Figure 7, first plane 341 and second plane 342 of adjustable plate 34 are structure as a whole, and resetting block 35 is fixed on second plane 342 of adjustable plate 34 through welding manner.
Specifically; Please cooperate and consult Fig. 8, Fig. 9 and shown in Figure 10; Last lower connecting block 32 places 311 chambeies in the locating piece, and fixes through groove 312 cooperations that are provided with on the spring 37, adjustable plate first plane 341 and the locating piece 31 that are equipped with in the locating piece inner chamber 311.Insert in the groove 312 of locating piece 31 upper ends on adjustable plate first plane 341, and second plane 342 offsets with locating piece 31 right side spring mounting holes 313 interior displacement spring 38 other ends that are provided with.Draw-in groove 331 clamping mutually that last lower connecting block 32 is offered through the groove 3211 that is provided with on first round platform 321 and safety plate 33 ends; When safety plate 33 moves up and down; Can make lower connecting block 32 that corresponding sports takes place through the spring in the locating piece inner chamber 311 37; Further make adjustable plate 34 under the active force of displacement spring 38, and the sliding cam 3421 through matching with the jaw chute, guarantee that move left and right take place for adjustable plate 34 and resetting block 35 thereof.
Locating piece 31 inner springs 37 1 ends are against inner chamber 311 bottoms; 3231 li of the inner chambers of last lower connecting block the 3rd round platform 323 of other end entering; The 3rd round platform 323 diameters and locating piece inner chamber 311 internal diameters of last lower connecting block 31 are complementary; Last lower connecting block the 3rd round platform 323 bottom inner chambers, 311 internal diameters and spring 37 diameters are complementary, and lower connecting block 32 is under the effect of safety plate 33 or adjustable plate 34 in the assurance, and safe and reliable moves up and down.
The internal diameter of the track groove 3411 that last lower connecting block first round platform, 321 lower semisection diameters and adjustable plate first plane 341 are offered matches; Last lower connecting block second round platform 322 matches with the internal diameter of the circular trough 3412 that adjustable plate first plane 341 is offered.
During installation; Please cooperate and consult Fig. 8, shown in Figure 9; At first inserting spring 37 in locating piece 31 inner chambers 311 will be gone up lower connecting block 32 again and be installed on the locating piece 31, contact at the bottom of spring 37 lower ends in the locating piece inner chamber 311 and the chamber; The upper end is fixed on lower connecting block the 3rd round platform inner chamber 3231; Because last lower connecting block the 3rd round platform inner chamber 3231 matches with spring 37 sizes, and the 3rd round platform 323 external diameters match with locating piece inner chamber 311 internal diameters, thus can guarantee lower connecting block 32 under the effect of spring 37 in well cooperation slips of locating piece inner chamber 311.
Afterwards; Promote downwards to go up lower connecting block 32, the adjustable plate that is fixed with resetting block 35 first plane 341 is passed from the groove 312 of locating piece 31 upper ends installed, at this moment; Last lower connecting block 32 is under the active force of spring 37; Lean out in the track groove 3411 that its first round platform 321 is provided with from adjustable plate first plane 341, because the internal diameter and last lower connecting block first round platform 321 external diameters of this track groove 3411 match, and second round platform, 322 external diameters are greater than first round platform, 321 internal diameters; And the elastic force that makes progress of spring 37, with adjustable plate first plane 341, go up lower connecting block 32 and locating piece 31 is installed together.
In addition, on locating piece 31 right sides displacement spring 38 is installed, displacement spring 38 1 ends are fixed in the spring mounting hole 313 on locating piece 31 right sides, and the other end and adjustable plate second plane 342 offset; Adjustable plate 34 front and back also are provided with a pair of sliding cam 3421, can guarantee to slide in the level trough that adjustable plate 34 and resetting block 35 be provided with on jaw.
At last; The locating piece of accomplishing installation 31, last lower connecting block 32, adjustable plate 34 and resetting block 35 are fixed in the safety mounting groove of jaw; Through the installation base 314 that is provided with on the locating piece 31, and the sliding cam on the adjustable plate 34 3421 positions, and safety plate 33 is inserted the jaw intracavity; Groove 3211 clamping mutually that the draw-in groove 331 that safety plate 33 ends are provided with and last lower connecting block first round platform 321 are offered; Insert bearing pin in the pin-and-hole that on resetting block 35, is provided with again, and SR 36 is installed, accomplish the installation of band cutter stiching instrument percussion safety 3 of the present invention in jaw one side.
Please cooperate and consult shown in Figure 10-13; The present invention's a kind of band cutter stiching instrument and percussion safety thereof; Comprise jaw 1, nail bin groupware 2, propulsive mechanism 4, firing lock 5 and above-mentioned percussion safety 3; Wherein, described percussion safety 3 are installed in the jaw 1, and 2 contacts are connected with nail bin groupware.
Before the percussion; The nail bin groupware 2 that will have cutting knife slide block 21 is installed on the stiching instrument jaw 1; This moment, safety plate 33 upper ends were visited in the nail bin groupware 2 left side vertical slots 22; The end and last lower connecting block first round platform 321 clamping mutually of safety plate 33 band draw-in grooves 331, the circular trough 3412 on last lower connecting block second round platform 322 and adjustable plate first plane 341 matches, and the displacement spring 38 on locating piece 31 right sides is in compressive state between adjustable plate second plane 342 and locating piece 31.
During percussion, hold firing lock 5, under the effect of propulsive mechanism 4 push pedals 41; Cutting knife slide block 21 in the nail bin groupware 2 is moved to the left, and accomplishes and sews up cutting action, when cutting knife slide block 21 advances to nail bin groupware 2 left ends; Cutting knife slide block 21 offsets with safety plate 33, and then stressed in safety plate 33, and safety plate 33 takes place to bottom offset; Make the spring 37 in the last lower connecting block 32 compression set pieces 31 that are connected with safety plate 33 ends move down, at this moment, circular trough 3412 is separated on last lower connecting block second round platform 322 and the adjustable plate 34; In last lower connecting block first round platform 321 hypomeres and the entering track groove 3411; Under the tension force effect of locating piece 31 right side displacement spring 38, adjustable plate 34 passes through to relatively move about track groove 3411 and the interaction of first round platform, 321 hypomeres and last lower connecting block 32 take place; Under simultaneously the cooperation of the sliding cam 3421 that is provided with in its both sides, 342 front and back, second plane of adjustable plate 34 and resetting block 35 thereof and jaw 4 chutes was slided, occurred level moved right.
Unclamp trigger, push pedal 41 recoils to initial position, and when pulling the trigger once more, adjustable plate 342 lower surfaces, second plane and propulsive mechanism push pedal 41 left sides offset, and can not pull the trigger once more, and push pedal 41 is locked by percussion safety 3.
When resetting, pull SR 36 left, adjustable plate 34 levels are moved to the left; The displacement spring 38 that matches with adjustable plate second plane 342 is compressed; Adjustable plate first plane 341 is moved to the left with respect to locating piece 31 simultaneously, makes that going up lower connecting block first round platform 321 hypomeres relatively moves in track groove 3411, moves closer to the circular trough 3412 that communicates with track groove 3411; After last lower connecting block first round platform 321 gets into circular trough 3412; Compressed spring 37 obtains upholding in locating piece 31, and lower connecting block 32 moves up in the promotion, and the circular trough 3412 on second round platform 322 of last lower connecting block and first plane 341 of adjustable plate matches; Corresponding safety plate 33 moves up, and accomplishes homing action.
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any pro forma restriction, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in protection scope of the present invention.
Claims (10)
1. band cutter stiching instrument percussion safety is characterized in that comprising safety plate, go up lower connecting block, locating piece, adjustable plate, resetting block and reset to push away and turn round, wherein:
Locating piece is provided with inner chamber, and the locating piece upper end offers groove, and the right side is provided with spring mounting hole;
Last lower connecting block and adjustable plate are installed on the locating piece through the groove that is provided with, and an end and the resetting block of adjustable plate fix;
Safety plate one end is connected with last lower connecting block upper end;
Reset to push away to turn round and be installed on the resetting block through bearing pin.
2. a kind of band cutter stiching instrument percussion safety according to claim 1, it is characterized in that: the described lower connecting block of going up is made up of the round platform of different-diameter.
3. a kind of band cutter stiching instrument percussion safety according to claim 1, it is characterized in that: described safety plate adopts " L " shape structure of upper end band barb.
4. a kind of band cutter stiching instrument percussion safety according to claim 2, it is characterized in that: described safety plate end is provided with a draw-in groove.
5. a kind of band cutter stiching instrument percussion safety according to claim 1, it is characterized in that: described adjustable plate is provided with two planes, offers a sliding tray on first plane, and second plane is fixedly connected with resetting block.
6. a kind of band cutter stiching instrument percussion safety according to claim 5, it is characterized in that: described sliding tray is made up of one section track groove and a circular trough.
7. according to the described a kind of band cutter stiching instrument percussion safety of claim 2-6, it is characterized in that:
The said draw-in groove of going up intermediary draw-in groove of lower connecting block first round platform and safety plate end matches;
The said upward first round platform lower semisection diameter of lower connecting block and the internal diameter of the track groove that adjustable plate first plane is offered match;
Said upward second round platform of lower connecting block and the internal diameter of the circular trough that adjustable plate first plane is offered match;
Said the 3rd round platform external diameter and the described locating piece internal diameter of going up lower connecting block matches.
8. a kind of band cutter stiching instrument percussion safety according to claim 1 is characterized in that: be provided with spring between described locating piece inner chamber and spring the 3rd round platform; In the installing hole on described locating piece right side displacement spring is installed, the other end and the adjustable plate of said displacement spring contact.
9. a kind of band cutter stiching instrument percussion safety according to claim 1 is characterized in that: offer cotter way on the described resetting block.
10. a band cutter stiching instrument is characterized in that comprising each described safety among jaw, nail bin groupware, propulsive mechanism, firing lock and the claim 1-9, and wherein, described safety are installed in the jaw, and contact is connected with nail bin groupware.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100945666A CN102599955A (en) | 2012-04-01 | 2012-04-01 | Stitching instrument with scalpel and triggering security device of stitching instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100945666A CN102599955A (en) | 2012-04-01 | 2012-04-01 | Stitching instrument with scalpel and triggering security device of stitching instrument |
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| Publication Number | Publication Date |
|---|---|
| CN102599955A true CN102599955A (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100945666A Pending CN102599955A (en) | 2012-04-01 | 2012-04-01 | Stitching instrument with scalpel and triggering security device of stitching instrument |
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| Country | Link |
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| CN (1) | CN102599955A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102846346A (en) * | 2012-09-29 | 2013-01-02 | 北京中法派尔特医疗设备有限公司 | Driving and locking device, and cutter stapler using same |
| CN112914644A (en) * | 2021-01-25 | 2021-06-08 | 重庆迈科唯医疗科技有限公司 | Endoscope anastomat |
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| EP0156774A2 (en) * | 1984-03-30 | 1985-10-02 | Senmed, Inc. | Multiple-Load cartridge assembly for a linear surgical stapling instrument |
| EP0514139A2 (en) * | 1991-05-14 | 1992-11-19 | United States Surgical Corporation | Surgical stapler with spent cartridge sensing and lockout means |
| US5636779A (en) * | 1994-12-13 | 1997-06-10 | United States Surgical Corporation | Apparatus for applying surgical fasteners |
| US5988479A (en) * | 1994-12-13 | 1999-11-23 | United States Surgical Corporation | Apparatus for applying surgical fasteners |
| CN200939154Y (en) * | 2006-08-03 | 2007-08-29 | 瑞奇外科器械(北京)有限公司 | Automatic restorable security device of anastomat for surgery |
| CN101856251A (en) * | 2010-06-07 | 2010-10-13 | 常州威克医疗器械有限公司 | Disposable linear anastomat |
| CN202477766U (en) * | 2012-04-01 | 2012-10-10 | 北京中法派尔特医疗设备有限公司 | Stitching instrument with knife and cocking safety device thereof |
-
2012
- 2012-04-01 CN CN2012100945666A patent/CN102599955A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0156774A2 (en) * | 1984-03-30 | 1985-10-02 | Senmed, Inc. | Multiple-Load cartridge assembly for a linear surgical stapling instrument |
| EP0514139A2 (en) * | 1991-05-14 | 1992-11-19 | United States Surgical Corporation | Surgical stapler with spent cartridge sensing and lockout means |
| US5636779A (en) * | 1994-12-13 | 1997-06-10 | United States Surgical Corporation | Apparatus for applying surgical fasteners |
| US5988479A (en) * | 1994-12-13 | 1999-11-23 | United States Surgical Corporation | Apparatus for applying surgical fasteners |
| CN200939154Y (en) * | 2006-08-03 | 2007-08-29 | 瑞奇外科器械(北京)有限公司 | Automatic restorable security device of anastomat for surgery |
| CN101856251A (en) * | 2010-06-07 | 2010-10-13 | 常州威克医疗器械有限公司 | Disposable linear anastomat |
| CN202477766U (en) * | 2012-04-01 | 2012-10-10 | 北京中法派尔特医疗设备有限公司 | Stitching instrument with knife and cocking safety device thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102846346A (en) * | 2012-09-29 | 2013-01-02 | 北京中法派尔特医疗设备有限公司 | Driving and locking device, and cutter stapler using same |
| CN102846346B (en) * | 2012-09-29 | 2015-07-01 | 北京中法派尔特医疗设备有限公司 | Driving and locking device, and cutter stapler using same |
| CN112914644A (en) * | 2021-01-25 | 2021-06-08 | 重庆迈科唯医疗科技有限公司 | Endoscope anastomat |
| CN112914644B (en) * | 2021-01-25 | 2022-05-17 | 重庆迈科唯医疗科技有限公司 | Endoscope anastomat |
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Application publication date: 20120725 |