CN207804299U - The retaining safety device of disposable hysteroscope internal cutting stapler - Google Patents
The retaining safety device of disposable hysteroscope internal cutting stapler Download PDFInfo
- Publication number
- CN207804299U CN207804299U CN201721219990.3U CN201721219990U CN207804299U CN 207804299 U CN207804299 U CN 207804299U CN 201721219990 U CN201721219990 U CN 201721219990U CN 207804299 U CN207804299 U CN 207804299U
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- block
- percussion
- percussion block
- limiting plate
- rack
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- 238000009527 percussion Methods 0.000 claims abstract description 103
- 230000003872 anastomosis Effects 0.000 description 14
- 238000010304 firing Methods 0.000 description 8
- 210000000056 organ Anatomy 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 210000000683 abdominal cavity Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000001356 surgical procedure Methods 0.000 description 5
- 230000013011 mating Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 210000002784 stomach Anatomy 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000003902 lesion Effects 0.000 description 2
- 244000144985 peep Species 0.000 description 2
- 210000001187 pylorus Anatomy 0.000 description 2
- 208000034657 Convalescence Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 210000001072 colon Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003886 intestinal anastomosis Effects 0.000 description 1
- 210000000936 intestine Anatomy 0.000 description 1
- 238000007912 intraperitoneal administration Methods 0.000 description 1
- 210000001630 jejunum Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 210000000813 small intestine Anatomy 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model relates to a kind of retaining safety devices of disposable hysteroscope internal cutting stapler, are matched with disposable hysteroscope internal cutting stapler, especially suitable for applying the disposable intracavitary Endo-GIA of line row on intraluminal tissue.Including percussion block, percussion block upper cover, rack, percussion block limiting plate and limit flat spring；It fires in the percussion block sliding groove that block is mounted in fixed handle, block upper cover is fired to be mounted on percussion block, it fires block front end and casing is housed, rack is mounted between percussion block and percussion block upper cover, it fires block limiting plate to be mounted in the percussion block limiting plate mounting groove of fixed handle, limit flat spring is mounted in the spring mounting hole of percussion block limiting plate lower part；Rack is equipped with percussion block limiting plate sliding groove, fires the sliding boss of block limiting plate top side and is slided in the percussion block limiting plate sliding groove on rack.
Description
Technical field
The utility model relates to a kind of retaining safety devices of disposable hysteroscope internal cutting stapler, with disposable chamber
Mirror internal cutting stapler matches, especially suitable for applying the disposable intracavitary Endo-GIA of line row on intraluminal tissue.
Background technology
Traditional surgical operation includes cutting, separation, ligation, hemostasis, suture, be finally reached excision to organ lesion and
The reconstruction of organ.Mechanical staplers can replace traditional operation, and the excision of diseased organ is realized by following three basic operations
And reconstruction：1, separate：Organ is sutured away from lesion certain distance using linear staplers, including parenchymatous organ and chamber
Road organ, blood vessel etc., then detachment cuts off diseased organ, or disposably completes suture and detachment using linear incision stitching unstrument.
2, the tissue apposition sutured will be needed, with linear staplers stapling, such as the longitudinal sectional transverse joint at pylorus, completes pylorus forming
Art.3, with anastomosis ring applicator, very convenient cavity organ such as oesophagus, stomach, small intestine, colon can be subjected to end to end anastomosis, end
Side-to-side anastomosis.Stomach and intestine side to side anastomosis can be carried out using stapler.Such as nodus hemorrhoidalis end-to-end intestinal anastomosis, gastric and esophageal end-to-side anastomosis
Art and stomach jejunum side-to-side anastomosis etc..
In abdominal cavity formula and/or it is interior peep in surgical procedure, surgical procedure is by small notch with patient or is inserted into the narrow of wound
Narrow casing is carried out.During traditional or open, doctor directly contacts operative site.Since the patient of its reduction creates
Wound shortens patient's convalescence and significantly reduces overall cost, and formula operation opposing open operation in abdominal cavity has advantage.Within coordinating
The specific requirements of surfing style and abdominal cavity formula, endoscopic robotic suturing device, which has been developed that, to be enabled the clinician to relatively easily contact operative site.
Typically, these suture instruments include be supported on approach robotic suturing device end be hinged to tool component.The tool component can
It is enabled the surgeon to manipulate operation device in limited space by selectively manipulation.These instruments to it is interior peep operation provide it is aobvious
The medical benefit of work.Nevertheless, it is desirable to improve to some extent in cost reduction and manufacture complexity.
At present in hysteroscope internal cutting stapler, it is required to both hands operation, doctor operates not enough smooth, and inside is
Plastic part, insufficient strength are likely to result in the failure of operation.
Therefore it there is still a need for being further improved it to reduce the time needed for surgical procedure, and makes it easier to close to tissue
Position, intensity is stronger, the stapler of jaw suction bigger.
Invention content
The utility model aim is that place provides a kind of retaining of disposable hysteroscope internal cutting stapler against the above deficiency
Safety device, the retaining safety device of disposable hysteroscope internal cutting stapler, and disposable hysteroscope internal cutting stapler is mating makes
With, by connection lever fixing apparatus, clamp stapling apparatus, clamp anastomotic component transfer, push broach device, only knife safety device,
Retaining safety device, fixed handle, reseting handle, flexible handle component composition.Disposable hysteroscope internal cutting stapler design is closed
Reason, it is reasonable for structure, it is easy to use.Drive mechanism all using metalwork, enhances the transmission intensity of instrument.Clamping anastomotic component can
Arbitrarily to adjust the angle, it can be easily found the position for being suitble to operation during surgery.By cutter and clamp ring double locking,
When being closed jaw, suction bigger, can will tissue folder it is tighter, reduce jaw it is not tight enough caused by operation risk.Disposable chamber
Mirror internal cutting stapler can keep operation more coherent with one-handed performance, and doctor can vacate hand and take other instruments, reduce hand
The art time reduces operation risk, and pain is reduced to patient.
The retaining safety device of disposable hysteroscope internal cutting stapler is realized using following technical scheme：
The retaining safety device of disposable hysteroscope internal cutting stapler includes percussion block, percussion block upper cover, rack, percussion block
Limiting plate and limit flat spring.It fires in the percussion block sliding groove that block is mounted in fixed handle, block upper cover is fired, mounted on hitting
It sends out on block.It fires block front end and casing is housed.Rack is mounted between percussion block and percussion block upper cover.Percussion block limiting plate is mounted on
In the percussion block limiting plate mounting groove of fixed handle, limit flat spring is mounted on the spring mounting hole of percussion block limiting plate lower part
It is interior.The limit protrusion that block upper cover lower part is equipped with triangle is fired, percussion block limiting plate lower part is equipped with positive stop lug boss, percussion block limit
Plate top side is equipped with sliding boss.Rack is equipped with percussion block limiting plate sliding groove, fires the cunning of block limiting plate top side
Dynamic boss slides in the percussion block limiting plate sliding groove on rack.
The fixed handle is made of left fixed handle, right fixed handle two parts.
Operation principle
The retaining safety device of disposable hysteroscope internal cutting stapler, and disposable hysteroscope internal cutting stapler is mating makes
When with, operation, disposable hysteroscope internal cutting stapler jaw is in the open state, at this point, retaining safety device plays a role, only
The positive stop lug boss for moving back the percussion block limiting plate lower part in safety device is stuck in the triangle limit protrusion for firing block upper cover lower part
Front end prevents percussion block toward front slide, causes the closure of jaw.Only knife safety device middle rack safety block is located at rack limited block
In the inverted trapezoidal slot being equipped in the middle part of drive link, due to the effect of relief spring, the protrusion of rack safety block lower end is stuck on rack
Rack insurance card slot in, prevent rack fire forward, play the role of only knife insurance.
Protection cap is removed at this time, and disposable hysteroscope internal cutting stapler front end enters abdominal cavity by puncture outfit, and resist-nailed seat is
Fixing device is inserted into tissue, and staple cartridge tray is mounted on by resist-nailed seat pin on resist-nailed seat, and steering knuckle, connector, connection are passed through
Bar, connecting rod fixed block, are fixed on fixed handle, pull flexible handle, by rack drives block, percussion block, casing, up and down
Connecting plate, connecting tube squeeze forward, and staple cartridge tray is made to be closed grip tissue to resist-nailed seat.
Rack drives block pushes percussion block, percussion block upper cover toward front slide, and percussion block band carry-over bar limited block drive link is past
Front slide, this hour rack safety block are up slided out of inverted trapezoidal slot, compress relief spring, rack safety block lower part protrusion from
Rack top is slided into rack insurance card slot on rack, opens and stops knife safety device.It prepares for the percussion of next step.
The positive stop lug boss for firing block limiting plate lower part in retaining safety device simultaneously, slips over the triangle of percussion block upper cover lower part
Shape limit protrusion is located at the triangle limit protrusion rear end of percussion block upper cover lower part.
Flexible handle is pulled again, pushes rack, band knife bar, band blade, cutter to cut forward by rack drives block
Tissue, while cutter push beveling, push jack, anastomosis staple, carry out anastomosed tissue.
At this point, percussion block limiting plate is acted on by limit flat spring in retaining insurance, position is up moved, percussion block limit
The sliding boss of plate top side are slided in the percussion block limiting plate sliding groove on rack, the limit of percussion block limiting plate lower part
Lug boss position moves up, and blocks percussion block and percussion block upper cover, prevents percussion block and fires jaw block upper cover moves backward caused by
It opens, plays retaining safety effect.
Reseting handle is pulled, cutter are pulled back by release link, rack, band knife bar, band blade, resets, beats simultaneously
Jaw is opened, disposable hysteroscope internal cutting stapler front end is exited out of tissue, completes the cutting anastomosis operation of intracavitary.
When tissue is inserted into disposable hysteroscope internal cutting stapler front end, if angle is not suitable for percussion, need to adjust, it can
To use index finger to pull rotating handle, pulls steering drag hook by being rotated up and down block, turns to pin block, the tune of angle can be completed
Whole, after angle is adjusted, middle finger pulls flexible handle, is closed jaw, pulls flexible handle to complete percussion again.
The retaining safety device of disposable hysteroscope internal cutting stapler, and disposable hysteroscope internal cutting stapler is mating makes
With disposable hysteroscope internal cutting stapler advantage:
Existing intraperitoneal Endo-GIA is that staple cartridge tray is fixed, cut anastomosed tissue when be by staple cartridge tray, nail bin,
Stapler etc. is inserted into tissue, and so on the one hand, this part thereof thickness is thicker, needs the space of bigger, another aspect, when insertion
Anastomosis staple in nail bin is easy to be taken out of by tissue, causes to coincide incomplete.And the disposable hysteroscope internal cutting kiss of the utility model
Clutch is fixed using resist-nailed seat, and tissue is inserted into resist-nailed seat, and resist-nailed seat is relatively thin, is inserted into the space smaller needed when tissue, kiss
Dowel does not contact before firing with tissue, avoids tissue and takes anastomosis staple out of, when anastomosed tissue, sutures incomplete risk.
Due to being provided with only knife safety device, before firing, it can effectively prevent artificial accidentally promotion reseting handle,
Band carry-over bar slides forward, causes cutter to move, anastomosis staple drops out.
Due to being provided with retaining safety device, before percussion, jaw will not be closed easily, and when percussion, jaw will not be opened again,
Grip tissue will not be caused not tight, cause to coincide incomplete.
Since a flexible handle is arranged, either adjusts the angle, or complete percussion, can make doctor with one-handed performance
Life can vacate hand and operate other instruments, allow operation to complete more smooth.
It in intracavitary small space, can arbitrarily be adjusted in the course of surgery due to being provided with clamping anastomotic component transfer
The nail bin of disposable hysteroscope internal cutting stapler front end, the angle of resist-nailed seat make operation complete more smooth.
The retaining safety device of disposable hysteroscope internal cutting stapler is not firing shape due to being provided with retaining safety device
State, the triangle limit protrusion of percussion block upper cover lower end are stuck in percussion block limiting plate rear end, prevent from not firing, and jaw is opened
State, accidentally push reseting handle, cutter caused to push forward, play the role of one only knife, be closed jaw after, hit
Block limiting plate is sent out under the active force of limit flat spring, position rises, and percussion block limiting plate is located at cover back-end on percussion block, prevents
Fire block retreat, cause jaw to open, so as to cause operative failure.
Description of the drawings
Below in conjunction with attached drawing, the utility model is described in further detail：
Fig. 1 is disposable hysteroscope internal cutting stapler structural schematic diagram.
Fig. 2 is the rack structure schematic diagram of disposable hysteroscope internal cutting stapler.
Fig. 3 is the retaining safety device structural schematic diagram of disposable hysteroscope internal cutting stapler.
Fig. 4 is the percussion block limit plate structure schematic diagram of the retaining safety device of disposable hysteroscope internal cutting stapler.
Fig. 5 is the fixed handle structural schematic diagram of disposable hysteroscope internal cutting stapler.
Specific implementation mode
With reference to attached drawing 1-5, disposable hysteroscope internal cutting stapler includes connection lever fixing apparatus, clamps stapling apparatus, folder
Tight anastomotic component transfer, push broach device, only knife safety device, retaining safety device, fixed handle 24, reseting handle, work
Fixed handle component.
Retaining safety device includes percussion block 19, percussion block upper cover 33, rack 25, percussion block limiting plate 21 and limiting plate bullet
Spring 48.It fires in the percussion block sliding groove 24-1 that block 19 is mounted in fixed handle 24, percussion block upper cover 33 is mounted on percussion block
On 19.It fires 19 front end of block and casing 35 is housed.Rack 25 is mounted between percussion block 19 and percussion block upper cover 33.Fire block limit
Plate 21 is mounted in the percussion block limiting plate mounting groove 24-3 of fixed handle 24, and limit flat spring 48 is mounted on percussion block limiting plate
In the spring mounting hole 21-1 of 21 lower parts.Fire the limit protrusion 33-1 that 33 lower part of block upper cover is equipped with triangle, percussion block limit
21 lower part of plate is equipped with positive stop lug boss 21-2, and 21 top side of percussion block limiting plate is equipped with sliding boss 21-3.Rack 25 is equipped with
Fire block limiting plate sliding groove 25-3,21-3 sliding boss 21-3 the hitting on rack 25 of 21 top side of percussion block limiting plate
Send out sliding in block limiting plate sliding groove 25-3.
The fixed handle 24 is made of left fixed handle, right fixed handle two parts.25 rear end of rack is provided with
Release link mounting hole 25-1.Rack 25 is mounted in the rack sliding groove 24-2 of fixed handle.
The retaining safety device of disposable hysteroscope internal cutting stapler, and disposable hysteroscope internal cutting stapler is mating makes
When with, operation, disposable hysteroscope internal cutting stapler jaw is in the open state, at this point, retaining safety device plays a role, only
The positive stop lug boss 21-2 for moving back 21 lower part of percussion block limiting plate in safety device is stuck in the triangle limit of 33 lower part of percussion block upper cover
The front end of position protrusion 33-1 prevents percussion block 19 toward front slide, causes the closure of jaw.Only 23 racks insure in knife safety device
Block 23 is located in the inverted trapezoidal slot that 22 middle part of rack limited block drive link is equipped with, due to the effect of relief spring 47, rack insurance
The protrusion of 23 lower end of block is stuck in the insurance card slot of the rack on rack 25 25-2, and rack 25 is prevented to fire forward, plays only knife guarantor
The effect of danger.
Protection cap 3 is removed at this time, and disposable hysteroscope internal cutting stapler front end enters abdominal cavity, resist-nailed seat 41 by puncture outfit
For fixing device, it is inserted into tissue, staple cartridge tray 42 is mounted on by resist-nailed seat pin on resist-nailed seat 41, and steering knuckle 39, connection are passed through
First 36, connecting rod 13, connecting rod fixed block 34, are fixed on fixed handle 24, pull flexible handle 26, pass through 30 rack drives
Block 30, percussion block 19, casing 35, be vertically connected with plate 38, connecting tube 40 squeezes forward, make staple cartridge tray 42 to resist-nailed seat 41 be closed press from both sides
Tight tissue.
Rack 30 pushes percussion block 19, percussion block upper cover 33 toward front slide with motion block, and percussion block 19 is with carry-over bar limited block
Drive link 22 is up slided toward front slide, this hour rack safety block 23 out of inverted trapezoidal slot, compresses relief spring 47, rack insurance
The protrusion of 23 lower part of block slides into 25 top of rack out of rack insurance card slot 25-2 on rack 25, opens and stops knife safety device.
It prepares for the percussion of next step.
The positive stop lug boss 21-2 for firing 21 lower part of block limiting plate in retaining safety device simultaneously, slips under percussion block upper cover 33
The triangle limit protrusion 33-1 in portion is located at the rear ends triangle limit protrusion 33-1 of 33 lower part of percussion block upper cover.
Flexible handle 26 is pulled again, and rack 25, band knife bar 14, band blade 11, cutting are pushed by rack drives block 30
Knife 7 cuts forward tissue, while cutter 7 push beveling 5, push jack 4, anastomosis staple, carries out anastomosed tissue.
At this point, percussion block limiting plate 21 by the effect for limiting flat spring 48, up move by position in retaining insurance, 21 percussions
The sliding boss 21-3 of 21 top side of block limiting plate is slided in the percussion block limiting plate sliding groove 25-3 on rack 25, percussion
The positions positive stop lug boss 21-2 of 21 lower part of block limiting plate move up, and block 19 percussion blocks 19 and percussion block upper cover 33, prevent percussion block
19 open with jaw block upper cover 33 moves backward caused by is fired, and play retaining safety effect.
Reseting handle 28 is pulled, is pulled back cutter 7 by release link 29, rack 25, band knife bar 14, band blade 11,
It resets, opens simultaneously jaw, disposable hysteroscope internal cutting stapler front end is exited out of tissue, the cutting for completing intracavitary coincide
Operation.
When tissue is inserted into disposable hysteroscope internal cutting stapler front end, if angle is not suitable for percussion, need to adjust, it can
To use index finger to pull rotating handle 18, pulls steering drag hook 15,10 to turn to pin block by being rotated up and down block 17, angle can be completed
The adjustment of degree, after angle is adjusted, middle finger pulls flexible handle 26, is closed jaw, pulls flexible handle 26 to complete percussion again.
Disposable hysteroscope internal cutting stapler is fixed using resist-nailed seat, and tissue is inserted into resist-nailed seat, and resist-nailed seat is relatively thin, inserts
Enter the space smaller needed when tissue, anastomosis staple does not contact before firing with tissue, avoids tissue and takes anastomosis staple out of, coincide
When tissue, incomplete risk is sutured.
Due to being provided with retaining safety device, before percussion, jaw will not be closed easily, and when percussion, jaw will not be opened again,
Grip tissue will not be caused not tight, cause to coincide incomplete.
Since a flexible handle is arranged, either adjusts the angle, or complete percussion, can make doctor with one-handed performance
Life can vacate hand and operate other instruments, allow operation to complete more smooth.
Claims (3)
1. a kind of retaining safety device of disposable hysteroscope internal cutting stapler, it is characterised in that：
Including percussion block, percussion block upper cover, rack, percussion block limiting plate and limit flat spring；It fires block and is mounted on fixed handle
In interior percussion block sliding groove, percussion block upper cover is mounted on percussion block, and percussion block front end is equipped with casing, and rack is mounted on percussion
Between block and percussion block upper cover, percussion block limiting plate is mounted in the percussion block limiting plate mounting groove of fixed handle, limiting plate bullet
Spring is mounted in the spring mounting hole of percussion block limiting plate lower part；Rack is equipped with percussion block limiting plate sliding groove, percussion block limit
The sliding boss of position plate top side are slided in the percussion block limiting plate sliding groove on rack.
2. the retaining safety device of disposable hysteroscope internal cutting stapler according to claim 1, it is characterised in that：It is fixed
Handle is made of left fixed handle, right fixed handle two parts.
3. the retaining safety device of disposable hysteroscope internal cutting stapler according to claim 1, it is characterised in that：Percussion
Block upper cover lower part is equipped with the limit protrusion of triangle, and percussion block limiting plate lower part is equipped with positive stop lug boss, percussion block limiting plate top
Side is equipped with sliding boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721219990.3U CN207804299U (en) | 2017-09-22 | 2017-09-22 | The retaining safety device of disposable hysteroscope internal cutting stapler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721219990.3U CN207804299U (en) | 2017-09-22 | 2017-09-22 | The retaining safety device of disposable hysteroscope internal cutting stapler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207804299U true CN207804299U (en) | 2018-09-04 |
Family
ID=63336436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721219990.3U Active CN207804299U (en) | 2017-09-22 | 2017-09-22 | The retaining safety device of disposable hysteroscope internal cutting stapler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207804299U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110151261A (en) * | 2019-06-25 | 2019-08-23 | 江苏孜航精密五金有限公司 | Disposable haemorrhoids ligation apparatus prevents accidentally percussion safety device |
-
2017
- 2017-09-22 CN CN201721219990.3U patent/CN207804299U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110151261A (en) * | 2019-06-25 | 2019-08-23 | 江苏孜航精密五金有限公司 | Disposable haemorrhoids ligation apparatus prevents accidentally percussion safety device |
| CN110151261B (en) * | 2019-06-25 | 2024-01-12 | 江苏孜航精密五金有限公司 | Safety device for preventing false firing of disposable hemorrhoid ligation device |
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