CN202446160U - Staple cartridge component capable of embedding cutting knife in staple cartridge and linear cutting stapler - Google Patents
Staple cartridge component capable of embedding cutting knife in staple cartridge and linear cutting stapler Download PDFInfo
- Publication number
- CN202446160U CN202446160U CN2011205746867U CN201120574686U CN202446160U CN 202446160 U CN202446160 U CN 202446160U CN 2011205746867 U CN2011205746867 U CN 2011205746867U CN 201120574686 U CN201120574686 U CN 201120574686U CN 202446160 U CN202446160 U CN 202446160U
- Authority
- CN
- China
- Prior art keywords
- nail bin
- cutter
- staple cartridge
- locating piece
- rectangle locating
- 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 - Lifetime
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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
-
- 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
- A61B2017/07214—Stapler heads
- A61B2017/07285—Stapler heads characterised by its cutter
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- Health & Medical Sciences (AREA)
- 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)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The utility model discloses a staple cartridge component capable of embedding a cutting knife in a staple cartridge and a linear cutting stapler. The staple cartridge component comprises the staple cartridge and the cutting knife; the cutting knife is rotationally installed at one end of the staple cartridge; the cutting knife comprises a knife body and an arc fixed plate as well as a rectangular positioning block fixed in a position where the knife body is connected with the arc fixed plate; a cutting knife sliding cavity is formed along the centre joint inside the staple cartridge; the height of the sliding cavity is slightly larger than the length of the short side of the rectangular positioning block; a rectangular positioning block containing cavity is installed at a cutting knife mounting end inside the staple cartridge; the height of the containing cavity is slightly larger than the length of the long side of the a rectangular positioning block and slightly larger than the length of the short side of the a rectangular positioning block; one side of the containing cavity is propped against the rectangular positioning block; and the other side of the containing cavity is propped against the arc fixed plate. The staple cartridge component can embed the cutting knife in the staple cartridge, and is more convenient and safer for cutting and stitching during operation, thereby being more applicable to wide promotion and application.
Description
Technical field
This utility model relates to a kind of surgical operation and uses medical apparatus and instruments, particularly relates to a kind ofly can cutter being buried nail bin groupware and straight cuts stiching instrument thereof in nail bin.
Background technology
In clinical use; The straight cuts stiching instrument is a kind of disposable use, need not power supply, only relies on mechanical force to carry out tissue from surgical medical equipment disconnected, that excise and sew up, can realize the straight cuts operation to gastrointestinal tract, gynecological, division of chest disease aspect, and this straight cuts stiching instrument can respectively be inserted two row's suturing nails in the both sides of tissue; Cut from disconnected between the tissue of having sewed it up in both sides with push broach then; Easy to use, significantly reduced operating time, improved the operation quality.
The cutter of existing straight cuts stiching instrument all are fixedly mounted on the nail bin; In operation, very easily scratch patient or doctor; Even install additional and protect the cutter medicated cap and protect, obviously protrude in the cutter of nail bin and protect the cutter medicated cap operation of withdrawing from after still can influencing grasping tissue or operation and accomplishing.Especially in the haulback type stapler, the initial position of cutter is arranged at the head of nail bin, and through mechanism's completion closing of cutting of pulling back, before use, cutter is hidden in the nail bin do not expose, be the important requirement that guarantees safety operation.
This shows that above-mentioned existing nail bin groupware and straight cuts stiching instrument thereof obviously still have inconvenience and defective, and demand urgently further improving in structure and use.How founding and a kind ofly can cutter be buried nail bin groupware and straight cuts stiching instrument thereof in nail bin, is that one of improved target is badly in need of in current this area.
The utility model content
The technical problem that this utility model will solve provides a kind ofly can bury nail bin groupware and straight cuts stiching instrument thereof in nail bin with cutter, makes its more convenient to operate, safety, thereby overcomes the deficiency of existing straight cuts stiching instrument.
For solving the problems of the technologies described above; This utility model is a kind of can to bury the nail bin groupware in nail bin with cutter; Mainly comprise nail bin and cutter; Rotating nail bin one end that is installed in of described cutter: described cutter comprise cutter hub and arc stator, and the rectangle locating piece that is fixed on cutter hub and arc stator joint; Described nail bin inside is provided with the cutter sliding cavity along the centre joint, and it is long that the height of this sliding cavity is slightly larger than the minor face of rectangle locating piece; Nail bin inside is provided with rectangle locating piece containing cavity at the cutter installation end, and the height of this containing cavity is slightly larger than the long length of side of rectangle locating piece, and it is long that width is slightly larger than the minor face of rectangle locating piece, and a side and rectangle locating piece offset, and opposite side and arc stator offset.
As a kind of improvement of this utility model, described rectangle locating piece both sides are fixed with projection, and the projection upper limb is higher than the upper edge of cutter sliding cavity, and nail bin front end inside vertically is provided with connecting rod, and coiling has spring around the connecting rod, and the spring upper end extends to the projection below.
Described arc stator is semicircle gear piece.
Described cutter hub is two-sided to put the first edge on a knife or a pair of scissors, and cutter hub cuts a side along being circular arc, and the opposite side edge is a straight line.
Described sliding cavity top is provided with rectangle fixed block stopper slot along the nail bin centre joint.
Described nail bin upper surface is provided with antiskid groove or fin.
In addition; This utility model also provides a kind of straight cuts stiching instrument, comprises train wheel bridge, lower plate, handle, is fixed on nail supporting base in the train wheel bridge, is installed in the lower plate as above-mentioned nail bin groupware and be installed in the lower plate and push-pull mechanism that front end and nail bin groupware match.
After adopting such design, this utility model can bury cutter in the nail bin groupware in nail bin, more convenient to operate, the safety of cutting and stitching when operation is used, thus be more suitable for extensively promoting the use of.
Description of drawings
Above-mentioned only is the general introduction of this utility model technical scheme, in order more to know the technological means of understanding this utility model, below in conjunction with the accompanying drawing and the specific embodiment this utility model is done further to specify.
Fig. 1 is the structural representation that this utility model can bury cutter the nail bin groupware in nail bin.
Fig. 2 is the cutter structural representation that this utility model can bury cutter the nail bin groupware in nail bin.
Fig. 3 is the nail bin front end axial section structural representation of this utility model nail bin groupware.
Fig. 4 is the nail bin front end horizontal section structural representation of this utility model nail bin groupware.
Fig. 5 is the plan structure sketch map of the nail bin front end of this utility model nail bin groupware.
Fig. 6 is the structural representation of this utility model straight cuts stiching instrument.
Fig. 7 is the nail bin structural representation of this utility model straight cuts stiching instrument.
Fig. 8 is the mechanism structure sketch map of pulling back of this utility model.
Fig. 9 is the schematic top plan view of Fig. 8.
Figure 10 is Fig. 6 and cutter, the mechanism's integrated structure sketch map of pulling back of upspringing.
Figure 11 is that this utility model can bury nail bin groupware and the user mode sketch map of straight cuts stiching instrument thereof in nail bin with cutter.
The specific embodiment
See also shown in Figure 1ly, this utility model is a kind of can to bury the nail bin groupware in nail bin with cutter, mainly comprises nail bin 4 and cutter 6.
Please cooperate consult shown in Figure 2, cutter 6 rotating ends that are installed in nail bin 4.Bury the state in nail bin with cutter, cutter 6 rear portions are cutter hub 61, and the front portion is an arc stator 62, and cutter hub 61 is fixed with axial rectangle locating piece 63 with arc stator 62 joints.Wherein, cutter hub 61 is preferably the two-sided cutter that puts the first edge on a knife or a pair of scissors as shown in the figure, and cutter hub cuts a side along being circular arc, and the opposite side edge is a straight line.Arc stator 62 is preferably semicircle gear piece as shown in the figure.
Please cooperate and consult shown in Figure 3ly, nail bin 4 inside are provided with cutter sliding cavity 41 along the centre joint, and it is long that the height of this sliding cavity 41 is slightly larger than the minor face of rectangle locating piece 63.Nail bin 4 inside are provided with rectangle locating piece containing cavity 42 at cutter 6 installation ends, and the height of this containing cavity 42 is slightly larger than the long length of side of rectangle locating piece 63, and it is long that the width of containing cavity 42 is slightly larger than the minor face of rectangle locating piece 63.These containing cavity 42 1 sides and rectangle locating piece 63 offset, and opposite side and arc stator 62 offset, from the top, the place ahead, rear installation site of limiting rectangle locating piece 63 and whole cutter 6 simultaneously.
Please cooperate and consult shown in Figure 4ly, sliding cavity 41 tops also are provided with rectangle fixed block stopper slot 44 along the nail bin centre joint, the position, the left and right sides when being used for limiting cutter 6 and sliding.
Please cooperate and consult shown in Figure 5ly, nail bin 4 upper surfaces can be provided with oblique, equidistant antiskid groove or fin 46, and the frictional force when being used for increasing suture tissue prevents that tissue from skidding.
In addition, also can be fixed with projection 64 in rectangle locating piece 63 both sides, projection 64 upper limbs are higher than the upper edge of cutter sliding cavity, and nail bin front end inside vertically is provided with connecting rod 8, and coiling has spring 9 around the connecting rod, and spring 9 upper ends extend to projection 64 belows.
During installation: cutter 6 are pushed by nail bin 4 right half part bottom sides; Up to forming screens with containing cavity 42, rectangle locating piece stopper slot 44; This moment, cutter 6 were embedded in the nail bin 4; Its rectangle locating piece 63 back upper lateral parts are stuck on the right wall of locating piece containing cavity 42, and arc stator 62 front upper parts are stuck in the wall angle of doing of containing cavity 42 and locate, the position, the left and right sides of rectangle locating piece stopper slot 44 restriction rectangle locating pieces 63; The termination of spring 9 is from lower support projection 64 and cutter 6 integral body thereof, thereby cutter 6 are fixed on an end of nail bin 4.
See also Fig. 6, shown in Figure 7; This utility model straight cuts stiching instrument comprises train wheel bridge 1, lower plate 2, handle, is fixed on nail supporting base 5 in the train wheel bridge 1, is installed in the push-pull mechanism 7 that can cutter buried the nail bin groupware in nail bin and be installed in the nail bin groupware below in the lower plate 2.
Wherein, handle can as shown in the figurely comprise upper handle 31, flexible handle 32, and in the flexible handle rear end SR 33 is set.
The push-pull mechanism of this utility model can be selected the mechanism that pulls back for use, and at this moment, cutter should the front end that be fixed in nail bin groupware as shown in the figure.
See also Fig. 8, shown in Figure 9, the mechanism that pulls back comprise band cutter tooth bar 71 with about percussion sheet 72, its rear end is near handle and be provided with the button 73 of pulling back.The button 73 of pulling back can be selected one-sided button, bilateral button or bilateral knob as required for use.
Band cutter tooth bar 71 mainly is made up of two parts, and front end is cutter and rear end guiding fixedly, and two parts are welded as a whole.Wherein fixedly the part of cutter is a push broach baffle plate 74; The centre of push broach baffle plate 74 is provided with a vertical slot, and the initial position of cutter 6 is arranged on the front portion of nail bin 4, is installed in the rear side of push broach baffle plate 74; And cutting edge does not expose; Blade can stretch in the vertical slot, and push broach baffle plate 74 forms screens with rectangle locating piece 63 on the cutter 2, make upspring fixing after cutter 2 rotations and with nail bin 4 surfaces in vertical state.Form a U-lag between the targeting part of push broach baffle plate 74 and rear end, be provided with the dentalation 76 that matches with cutter semicircle gear piece in the U-lag.
The body construction of percussion sheet 72 is dull and stereotyped rectangular structure, and is preferable, and the dull and stereotyped rectangular head of percussion sheet 72 front ends is lozenges 75; Certain angle is arranged; And about the lozenges 75 of two percussion sheets certain distance is arranged on long axis direction, left lozenges is longer than forward half nail of right lozenges, about connect as one bottom the percussion push jack wedge-like portion; The slab construction both sides of percussion sheet 72 rear ends are provided with the installation sheet of parallel rectangular configuration; With slab construction in vertical state, thereby form a mounting groove, the percussion sheet 72 be structure as a whole on the whole.
When pulling back mechanism 7 during installation; The afterbody that at first will pull the trigger sheet 72 pushes in along two vertical slots of button 73 front ends of pulling back; Make percussion sheet 72 be fixedly installed in the vertical slot of button 73 front ends of pulling back; To insert in two fixture blocks of button 73 front ends of pulling back with the afterbody of cutter tooth bar 71 again, wherein with cutter tooth bar 71 be positioned at percussion sheet 72 above.
Please cooperate consult shown in Figure 10; During use; The nail bin 4 that at first will have cutter 6 is installed on the nail bin seat of lower plate 2, during installation, with push broach baffle plate 74 location, insertion nail bin 4 head lower ends and fixing of band cutter tooth bar 71 front ends; After the installation, the tooth on tooth on the cutter 6 and the band cutter tooth bar 71 matches.When initial position, cutter 6 are stuck in the head of nail bin 4 under the effect of spring 9, containing cavity 42, rectangle locating piece stopper slot 44, and cutter 6 integral body are arranged in nail bin 1, do not expose.
Please cooperate and consult shown in Figure 11ly, during operation, earlier will be in advance place the position between nail bin 2 and the nail supporting base 5 from disconnected tissue; Involutory then apparatus is two parts up and down; The groove of lower plate 2 afterbodys cooperates insertion with alignment pin, hold the apparatus afterbody, closed flexible handle 32; The hook-shaped post insertion flexible handle afterbody of lower plate 2 bottoms cooperates with SR 33 and locks apparatus, spurs the button 73 of pulling back then.Under tension, percussion sheet 72 and 71 motions together of band cutter tooth bar, cutter 6 bottoms receive the pulling of band cutter tooth bar 71; Top receives stopping of locating piece containing cavity 42 back upper walls; Cutter hub 61 rotates up upsprings, and when cutter 6 ejection nail bins 4 inner chambers were in vertical position, the end face and the push broach baffle plate 74 of the rectangle locating piece 63 on the cutter 6 were inconsistent; Rectangle locating piece 63 is coupled with cutter sliding cavity 41 simultaneously; Cutter 6 are slided along sliding cavity 41, and the cutter hub 61 of cutter 6 remains vertical state in the motor process, till the cutting and stitching terminal point.When band cutter tooth bar 71 spurred cutter 6 completion cuttings, percussion sheet 72 drove to stitch to follow closely to accomplish and sews up.
When resetting, what cutter 6 were arranged in the nail bin rear end protects the cutter medicated cap, and blade is isolated and protected, and presses SR, and apparatus is opened, and takes out apparatus.
The above; It only is the preferred embodiment of this utility model; Be not that this utility model 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 the protection domain of this utility model.
Claims (7)
1. one kind can be buried the nail bin groupware in nail bin with cutter, mainly comprises nail bin and cutter, it is characterized in that rotating nail bin one end that is installed in of described cutter:
Described cutter comprise cutter hub and arc stator, and the rectangle locating piece that is fixed on cutter hub and arc stator joint;
Described nail bin inside is provided with the cutter sliding cavity along the centre joint, and it is long that the height of this sliding cavity is slightly larger than the minor face of rectangle locating piece;
Nail bin inside is provided with rectangle locating piece containing cavity at the cutter installation end, and the height of this containing cavity is slightly larger than the long length of side of rectangle locating piece, and it is long that width is slightly larger than the minor face of rectangle locating piece, and a side and rectangle locating piece offset, and opposite side and arc stator offset.
2. according to claim 1ly can cutter be buried the nail bin groupware in nail bin; It is characterized in that described rectangle locating piece both sides are fixed with projection; The projection upper limb is higher than the upper edge of cutter sliding cavity; Nail bin front end inside vertically is provided with connecting rod, and coiling has spring around the connecting rod, and the spring upper end extends to the projection below.
3. according to claim 1ly can cutter be buried the nail bin groupware in nail bin, it is characterized in that described arc stator is semicircle gear piece.
4. according to claim 1ly can cutter be buried the nail bin groupware in nail bin, it is characterized in that described cutter hub is two-sided to put the first edge on a knife or a pair of scissors that cutter hub cuts a side along being circular arc, the opposite side edge is a straight line.
5. according to claim 1ly can cutter be buried the nail bin groupware in nail bin, it is characterized in that described sliding cavity top is provided with rectangle fixed block stopper slot along the nail bin centre joint.
6. according to claim 1ly can cutter be buried the nail bin groupware in nail bin, it is characterized in that described nail bin upper surface is provided with antiskid groove or fin.
7. straight cuts stiching instrument is characterized in that comprising train wheel bridge, lower plate, handle, is fixed on nail supporting base in the train wheel bridge, is installed in the lower plate as each described nail bin groupware among the claim 1-6 and be installed in the interior and front end of lower plate and push-pull mechanism that nail bin groupware matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205746867U CN202446160U (en) | 2011-12-31 | 2011-12-31 | Staple cartridge component capable of embedding cutting knife in staple cartridge and linear cutting stapler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205746867U CN202446160U (en) | 2011-12-31 | 2011-12-31 | Staple cartridge component capable of embedding cutting knife in staple cartridge and linear cutting stapler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202446160U true CN202446160U (en) | 2012-09-26 |
Family
ID=46862059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205746867U Expired - Lifetime CN202446160U (en) | 2011-12-31 | 2011-12-31 | Staple cartridge component capable of embedding cutting knife in staple cartridge and linear cutting stapler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202446160U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107348982A (en) * | 2017-07-14 | 2017-11-17 | 苏州朗特斯医疗科技有限公司 | A kind of nail bin groupware from belt cutter |
| CN107518926A (en) * | 2012-12-31 | 2017-12-29 | 直观外科手术操作公司 | The surgical operation nail bin in the knife gap with increase |
| US10610223B2 (en) | 2011-11-15 | 2020-04-07 | Intuitive Surgical Operations, Inc. | Surgical instrument with stowing knife blade |
| US10912556B2 (en) | 2011-10-26 | 2021-02-09 | Intuitive Surgical Operations, Inc. | Surgical instrument with integral knife blade |
-
2011
- 2011-12-31 CN CN2011205746867U patent/CN202446160U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10912556B2 (en) | 2011-10-26 | 2021-02-09 | Intuitive Surgical Operations, Inc. | Surgical instrument with integral knife blade |
| US11564681B2 (en) | 2011-10-26 | 2023-01-31 | Intuitive Surgical Operations, Inc. | Surgical instrument with integral knife blade |
| US10610223B2 (en) | 2011-11-15 | 2020-04-07 | Intuitive Surgical Operations, Inc. | Surgical instrument with stowing knife blade |
| US11350933B2 (en) | 2011-11-15 | 2022-06-07 | Intuitive Surigical Operations, Inc. | Surgical instrument with stowing knife blade |
| CN107518926A (en) * | 2012-12-31 | 2017-12-29 | 直观外科手术操作公司 | The surgical operation nail bin in the knife gap with increase |
| CN107518926B (en) * | 2012-12-31 | 2020-04-17 | 直观外科手术操作公司 | Surgical staple cartridge with increased knife gap |
| US10918387B2 (en) | 2012-12-31 | 2021-02-16 | Intuitive Surgical Operations, Inc. | Surgical staple cartridge with enhanced knife clearance |
| CN107348982A (en) * | 2017-07-14 | 2017-11-17 | 苏州朗特斯医疗科技有限公司 | A kind of nail bin groupware from belt cutter |
| CN107348982B (en) * | 2017-07-14 | 2023-09-15 | 苏州朗特斯医疗科技有限公司 | Nail bin assembly with cutting knife |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120926 |