CN208784824U - Stapler with the adjustable resist-nailed seat component of bore - Google Patents
Stapler with the adjustable resist-nailed seat component of bore Download PDFInfo
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- CN208784824U CN208784824U CN201721855691.9U CN201721855691U CN208784824U CN 208784824 U CN208784824 U CN 208784824U CN 201721855691 U CN201721855691 U CN 201721855691U CN 208784824 U CN208784824 U CN 208784824U
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- ring
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- nailed seat
- sliding block
- nail
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Abstract
The utility model is a kind of stapler with the adjustable resist-nailed seat component of bore.It includes that front end is equipped with the identical body of nail bin and the resist-nailed seat component with the cooperation of identical body；The resist-nailed seat component include resist-nailed seat, several support nail sliding block, contractile ring, guide rod and slip ring；Resist-nailed seat rear end face be equipped with radially distributed guide and limit slot, it is several support nail sliding block sliding be set to corresponding guide and limit slot in and formed diameter it is adjustable support nail sliding block ring；Contractile ring is sheathed on to nail sliding block ring periphery, and slip ring setting passes through slip ring in the front end to nail sliding block ring inner ring, guide rod and is connected to resist-nailed seat；Nail bin for placing anastomosis staple is corresponding with the part of guide and limit slot is extended to nail sliding block ring.Resist-nailed seat component uses bore adjustable structure in the utility model, to the outer diameter for being not more than resist-nailed seat through-hole of the resist-nailed seat component in the middle part of anastomosis ring is passed through the reduced diameter for supporting nail sliding block ring after the completion of suture.
Description
Technical field
The utility model relates to medical instruments field, especially a kind of stapler with the adjustable resist-nailed seat component of bore.
Background technique
Stapler be medically using the equipment to substitute manual suture, main operational principle be using titanium nail to organize into
Row detachment is coincide, and stapler is similar to.
It is frequently accompanied by the complication such as anastomotic leakage, bleeding in gastrointestinal stapler operation at present to occur, these complication
Some are conditions of patients factors, also have greatly be stapler itself cutting stitching it is bad caused by.
Summary of the invention
The purpose of this utility model is to provide the good adjustable resist-nailed seat groups of a kind of band bore of easy to operate, match result
The stapler of part.
The purpose of this utility model is achieved through the following technical solutions: a kind of coincideing with the adjustable resist-nailed seat component of bore
Device,
It includes that front end is equipped with the identical body of nail bin and the resist-nailed seat component with the cooperation of identical body；
The resist-nailed seat component include resist-nailed seat, several support nail sliding block, contractile ring, guide rod and triggered part driving
Generate the slip ring slided forward or backward；
Resist-nailed seat rear end face is equipped with radially distributed guide and limit slot, several to be set to corresponding lead to nail sliding block sliding
Into limiting slot and formed diameter it is adjustable support nail sliding block ring；
Contractile ring, which is sheathed on, to be made to generate inside sliding trend to nail sliding block to nail sliding block ring periphery, and nail is being supported in slip ring setting
Sliding block ring inner ring inwardly slides for preventing to nail sliding block, and the diameter for supporting nail sliding block ring limited by slip ring is straight greater than resist-nailed seat
Diameter；
The front end of guide rod passes through slip ring and is connected to resist-nailed seat；
Nail bin for placing anastomosis staple is corresponding with the part of guide and limit slot is extended to nail sliding block ring.
For the prior art, utility model has the advantages that
1. resist-nailed seat component uses bore adjustable structure in the utility model, the outer diameter of nail sliding block ring will be supported after the completion of suture
It is contracted to the outer diameter no more than resist-nailed seat, through-hole of the resist-nailed seat component in the middle part of anastomosis ring is passed through.
2. support nail sliding block ring trailing flank be equipped with upper anastomosis ring, nail bin front end be equipped with lower anastomosis ring, upper anastomosis ring and it is lower coincide
Ring is fixed by anastomosis staple, and traditional stapler carries out tissue suture using metal suture nail, and the sutures such as suture mouth fistula easily occur not
The problems such as good.It is pressed and is sutured by continuous anastomosis ring between being organized in the utility model, the sutures such as tradition suture mouth fistula can be solved
Bad problem can reach preferable sewing effect.
Anastomosis ring, lower anastomosis ring and anastomosis staple are human body absorbable material on 3., and after organization healing, identical material can quilt
Tissue absorbs.
Detailed description of the invention
Fig. 1 is the explosive view of resist-nailed seat component.
Fig. 2 is the overall structure diagram of the utility model.
Fig. 3 is the structural schematic diagram of resist-nailed seat channel interior.
Fig. 4 is the structural schematic diagram of ejection piece.
Fig. 5 is the structural schematic diagram of movable part.
Fig. 6 is the structural schematic diagram of ejection piece and movable part cooperation.
Fig. 7 is the structural schematic diagram to nail sliding block.
Fig. 8 is the original state figure of resist-nailed seat component.
Fig. 9 is the end state diagram of resist-nailed seat component.
Figure 10 is that resist-nailed seat component takes in the state diagram coincideing in body.
Figure 11 is upper and lower anastomosis ring and a kind of structural schematic diagram of embodiment of anastomosis staple.
Figure 12 is the fractionation structural representation of upper and lower anastomosis ring and anastomosis staple.
Figure 13 is the structure chart of upper and lower anastomosis ring and anastomosis staple nail organizationally.
Label declaration: 1 identical body, 11 nail bins, 12 handles, 13 knobs, 2 resist-nailed seat components, 21 resist-nailed seats, 211 guiding
Nail sliding block, 221 limiting slots, 222 retention beads, 223 spacing block sets, 23 contractile rings, 24 slip rings, 25 guiding are supported in limiting slot, 22
Bar, 251 link blocks, 26 ejection pieces, 27 movable parts, 271 shafts, 28 springs, 29 top covers, 31 lower anastomosis rings, anastomosis ring, 33 on 32
Anastomosis staple, 34 nail hole, 35 spacing breach, 61 retention bead A, 62 retention bead B, 63 guide grooves, 64 inclined-plane X, 65 retention beads
C, 66 inclined-plane Y, 67 inclined-plane Z, 68 sliding blocks, 69 stabilizer blades.
Specific embodiment
The content of the present invention is described in detail with embodiment with reference to the accompanying drawings of the specification:
It is as Figure 1-10 shows: for embodiment schematic diagram provided by the utility model.
A kind of stapler with the adjustable resist-nailed seat component of bore, it include front end be equipped with nail bin 11 identical body 1 with
And the resist-nailed seat component 2 with the cooperation of identical body；
The resist-nailed seat component 2 include resist-nailed seat 21, several support nail sliding block 22, contractile ring 23, guide rod 25 and warp
Trigger member driving generates the slip ring 24 slided forward or backward；
21 rear end face of resist-nailed seat is equipped with radially distributed guide and limit slot 211, several to be set to the nail sliding of sliding block 22
In corresponding guide and limit slot 211 and form that diameter is adjustable to support nail sliding block ring；
Contractile ring 23, which is sheathed on, to be made to generate inside sliding trend to nail sliding block 22 to nail sliding block ring periphery, and slip ring 24 is arranged
It inwardly slides, is limited by slip ring 24 big to the diameter for following closely sliding block ring to nail sliding block 22 for prevention supporting nail sliding block ring inner ring
In 21 diameter of resist-nailed seat；
The front end of guide rod 25 passes through slip ring 24 and is connected to resist-nailed seat 21；
Nail bin 11 for placing anastomosis staple 33 is corresponding with the part of guide and limit slot 211 is extended to nail sliding block ring.
The slip ring 24 is knife washer, and the trigger member is that setting pushes sliding in the body that coincide and after triggering
The endless knife that ring 24 moves forward.
The operating method of the utility model is identical with traditional stapler, and resist-nailed seat component 2 passes through guide rod 25 and stapler
Body docking adjusts the distance between resist-nailed seat component 2 and nail bin 11, with stapler by the knob 13 for 1 tail portion of body that coincide
Handle 12 be used to excite the anastomosis staple 33 of nail bin 11.
As seen in figs. 8-10: with traditional stapler the difference lies in that starting to be supported by knife washer 24 due to supporting nail sliding block 22,
It is arranged even if supporting nail sliding block 22 and being retracted ring 23, still can not be to contract, the diameter for supporting nail sliding block ring at this time is greater than resist-nailed seat
21 diameters；It drives the endless knife coincideing in body 1 to push ahead until by knife washer pushing tow forward, is detached from knife washer and supports nail and slide
The inner ring of block ring, at this time knife washer no longer contradict nail sliding block 22, support nail sliding block 22 under the action of contractile ring into resist-nailed seat
Axis direction sliding, be finally retracted ring contraction supports nail sliding block ring, and diameter is not more than the maximum gauge of resist-nailed seat 21.
In view of that may there is no sufficient space to accommodate knife washer pushing tow forward, thus the trigger member further include slip ring 24 to
To the pushing tow structure of rear pushing tow slip ring 24 after preceding movement；The pushing tow structure include ejection piece 26, movable part 27, spring 28 with
And top cover 29；The resist-nailed seat 21 is equipped with the channel of front and back perforation, and top cover 29 is fixed on 21 front end of resist-nailed seat, spring 28, activity
Part 27, ejection piece 26 are set gradually from top cover 29 to channel direction, and 26 rear end of ejection piece is contacted with slip ring 24；
By movable part 27, pushing tow, movable part 27 are equipped with position limiting structure, are equipped with and limit in channel the spring 28 backward
Structure is with the barrier structure merged for preventing movable part 27 from sliding backward；It is additionally provided with to match with position limiting structure in channel and merges guidance
The guide groove 63 that movable part 27 slides backward；
Ejection piece 26 is equipped with when ejection piece 26 moves forward, and can guide position limiting structure to guide groove by barrier structure
63 guide structure；
Position limiting structure is guided to the pushing tow ejection piece 26 backward of movable part 27 of guide groove 63, the ejection piece 26 moved backward to
Pushing tow slip ring 24 afterwards.
Further, the barrier structure include vias inner walls face is set and be arranged successively retention bead A61, limit
Raised B62, retention bead A61 and retention bead B62 front end face are equipped with to the inclined inclined-plane X64 in 63 direction of guide groove, limit convex
Play B62 and 63 arranged adjacent of guide groove；
A shaft 271 extended in guide rod 25 is arranged in the rear end of movable part 27, and position limiting structure is outside movable part 27
The rear end face of the retention bead C65, the retention bead C that are equipped in week are equipped with the inclined-plane Y66 with inclined-plane X64 sliding cooperation；
The front end of guide rod 25 extends into channel and connect with channel inner sidewall by several link blocks 251；Ejection piece
26 rear end is equipped with the stabilizer blade 69 in the gap across each link block 251, and 69 rear end of stabilizer blade is in contact with slip ring 24；
Guide structure is that 26 front end face of ejection piece and the inclined-plane Z67 with inclined-plane Y66 sliding cooperation is arranged in, in ejection piece 26
Side annular array be laid with guide groove 63 sliding cooperation sliding block 68.
For the principle of entire pushing tow structure similar to elastic force ball pen, workflow is as follows:
Original state: pushing tow structure is generally in compressive state, the inclined-plane of the retention bead C65 on movable part 27 at this time
The inclined-plane X64 of Y66 and the retention bead A61 in channel contact with each other, since spring 28 is applied with one backward to movable part 27
Jacking force, movable part 27 can generate the rotary force rotated to 63 direction of guide groove, but due to the side of retention bead B62
Wall is kept out, and rotate movable part 27 will not；And the stabilizer blade on ejection piece and knife washer contact with each other at this time；
Stress excited state: knife washer pushes ejection piece 26 mobile to 28 direction of spring, the inclined-plane Z of ejection piece 26 and activity
27 inclined-plane Y of part is in contact and pushing tow, so that the part 27 that innervates is also mobile to 28 direction of spring；When ejection piece 26 is by retention bead
When the inclined-plane X pushing tow of A61 to the side wall for being detached from retention bead B62 is kept out, the inclined-plane X of retention bead A61 slides off inclined-plane Z simultaneously
Slide to the inclined-plane X of retention bead B62；Since the other side of retention bead B62 is guide groove, retention bead A61 will be slided to finally
In guide groove 63；
The retention bead A61 being slipped in guide groove 63, it will pushing tow ejection piece 26 under the action of the spring 28, final band
Dynamic ejection piece 26 is mobile to knife washer direction, and nail sliding block ring finally is supported in knife washer ejection；To nail sliding block ring contractile ring work
It is contracted to lower diameter no more than resist-nailed seat diameter.
End-state: since the end of guide rod passes through, knife washer 24 is extended in channel and guide rod passes through several connections
Block is connected to channel inner sidewall, and final 26 rear end of ejection piece can be against the front end of guide rod, can not move on.
Outside to nail sliding block 22 is equipped with the limiting slot 221 for limiting contractile ring 23.Avoidable contractile ring falls off.
The nail sliding block 22 that supports is equipped with limit projection 223, and the limit sliding of projection 223 is in guide and limit slot 211.It supports
Nail sliding block 22 is exactly to realize that sliding is set on guide and limit slot 211 by limit nosing.
As in Figure 2-4: it further includes and is set to 11 front end of nail bin or lower anastomosis ring 31 in nail bin 11, is set to and supports nail and slide
The upper anastomosis ring 32 of block ring trailing flank, upper anastomosis ring 32 and lower 31 corresponding matching of anastomosis ring；
The upper anastomosis ring 32 and lower anastomosis ring 31 are made of human body absorbable material, and anastomosis staple 5 equally also can for human body
Absorbing material is made.
Traditional stapler carries out tissue suture only with anastomosis staple, and there are gap between anastomosis staple, sewing effect is undesirable.
The utility model cooperates anastomosis staple mode using upper anastomosis ring and lower anastomosis ring, is pressed between tissue by continuous anastomosis ring, no
There are above-mentioned suture gaps, and then reach preferable sewing effect.
The internal diameter of upper anastomosis ring 32 and lower anastomosis ring 31 is greater than the outer diameter of resist-nailed seat.Be retracted ring contraction supports nail sliding block
Ring, diameter are not more than the maximum gauge of resist-nailed seat 21.Ensure that the integral diameter of resist-nailed seat component no more than upper kiss in this way
The internal diameter of cyclization 32 and lower anastomosis ring 31, facilitates and extracts resist-nailed seat component out.
As shown in Figure 3: lower anastomosis ring 31 and upper anastomosis ring 32 are equipped with the nail hole 34 cooperated with anastomosis staple.
Traditional anastomosis staple is generally " u "-shaped nail, and suture principle is similar to stapler.Bar shaped can be directlyed adopt in the application
Staple is passed through when suture and corresponds to through-hole in anastomosis ring fixation can be realized by nail.
As shown in Figure 2: the anastomosis staple is fixedly connected in the nail hole 34 of lower anastomosis ring 31.
The lower anastomosis ring 31 and 32 edge of upper anastomosis ring are equipped with spacing breach 35, on supporting nail sliding block 22 and nail bin 11
Equipped with the retention bead 222 cooperated with spacing breach 35.In order to guarantee nail hole 34 and anastomosis staple alignment, so being provided with limit
Bit architecture.
Upper anastomosis ring 32 and lower anastomosis ring 31 are monoblock type or are put together by several segmental arcs.
Absorbable material is PPDO or PLGA.
Claims (10)
1. a kind of stapler with the adjustable resist-nailed seat component of bore, it is characterised in that: it includes that front end is equipped with nail bin (11)
The resist-nailed seat component (2) for coincideing body (1) and cooperating with identical body；
The resist-nailed seat component (2) include resist-nailed seat (21), several support nail sliding block (22), contractile ring (23), guide rod (25)
And triggered part driving generates the slip ring (24) slided forward or backward；
Resist-nailed seat (21) rear end face is equipped with radially distributed guide and limit slot (211), several to set to nail sliding block (22) sliding
In the corresponding guide and limit slot (211) and form that diameter is adjustable to support nail sliding block ring；
Contractile ring (23), which is sheathed on to make to generate to nail sliding block (22) to nail sliding block ring periphery, inwardly slides trend, and slip ring (24) is set
It sets and is inwardly slid for preventing to support nail sliding block (22) supporting nail sliding block ring inner ring, support nail sliding block ring by what slip ring (24) limited
Diameter is greater than resist-nailed seat (21) diameter；
The front end of guide rod (25) passes through slip ring (24) and is connected to resist-nailed seat (21)；
Nail bin (11) for placing anastomosis staple (33) is opposite with the part of guide and limit slot (211) is extended to nail sliding block ring
It answers.
2. a kind of stapler with the adjustable resist-nailed seat component of bore according to claim 1, it is characterised in that: described
Slip ring (24) is knife washer, and the trigger member is that setting pushes slip ring (24) Xiang Qianyi in the body that coincide and after triggering
Dynamic endless knife.
3. a kind of stapler with the adjustable resist-nailed seat component of bore according to claim 2, it is characterised in that: the touching
Outbox further includes the pushing tow structure after slip ring (24) move forward to rear pushing tow slip ring (24)；
The pushing tow structure includes ejection piece (26), movable part (27), spring (28) and top cover (29)；The resist-nailed seat (21)
Channel equipped with front and back perforation, top cover (29) are fixed on resist-nailed seat (21) front end, spring (28), movable part (27), ejection piece
(26) it is set gradually from top cover (29) to channel direction, ejection piece (26) rear end is contacted with slip ring (24)；
By movable part (27), pushing tow, movable part (27) are equipped with position limiting structure, are equipped with and limit in channel the spring (28) backward
Bit architecture is with the barrier structure merged for preventing movable part (27) from sliding backward；It is additionally provided with to match with position limiting structure in channel and merge
The guide groove (63) that boot activity part (27) slides backward；
Ejection piece (26) is equipped with when ejection piece (26) move forward, and can guide position limiting structure to guide groove by barrier structure
(63) guide structure；
When position limiting structure is guided to guide groove (63), movable part (27) pushing tow ejection piece (26) backward, the ejection piece moved backward
(26) pushing tow slip ring (24) backward.
4. a kind of stapler with the adjustable resist-nailed seat component of bore according to claim 3, it is characterised in that:
The barrier structure includes retention bead A (61), the retention bead B (62) that vias inner walls face is arranged in and is arranged successively,
Retention bead A (61) and retention bead B (62) front end face are equipped with to the inclined inclined-plane X (64) in guide groove (63) direction, limit convex
Play B (62) and guide groove (63) arranged adjacent；
A shaft (271) extended in guide rod (25) is arranged in the rear end of movable part (27), and position limiting structure is movable part
(27) rear end face of the retention bead C (65) that periphery is equipped with, the retention bead C are equipped with oblique with inclined-plane X (64) sliding cooperation
Face Y (66)；
The front end of guide rod (25) extends into channel and connect with channel inner sidewall by several link blocks (251)；Ejection piece
(26) rear end is equipped with the stabilizer blade (69) in the gap across each link block (251), stabilizer blade (69) rear end and slip ring (24) phase
Contact；
Guide structure is the inclined-plane Z (67) being arranged in ejection piece (26) front end face and with inclined-plane Y (66) sliding cooperation, in ejection piece
(26) side annular array is laid with the sliding block (68) with guide groove (63) sliding cooperation.
5. a kind of stapler with the adjustable resist-nailed seat component of bore according to claim 1, it is characterised in that: described to support
The outside of sliding block (22) is followed closely equipped with the limiting slot (221) for limiting contractile ring (23).
6. a kind of stapler with the adjustable resist-nailed seat component of bore according to claim 1, it is characterised in that: described to support
It follows closely sliding block (22) and is equipped with limit projection (223), limit projection (223) sliding is in guide and limit slot (211).
7. a kind of stapler with the adjustable resist-nailed seat component of bore described in any one of -6 according to claim 1, special
Sign is: it further includes set on nail bin (11) front end or lower anastomosis ring (31) in nail bin (11), is set to and supports on rear side of nail sliding block ring
The upper anastomosis ring (32) in face, upper anastomosis ring (32) and lower anastomosis ring (31) corresponding matching；
The upper anastomosis ring (32) and lower anastomosis ring (31) are made of human body absorbable material.
8. the stapler according to claim 7 with the adjustable resist-nailed seat component of bore, it is characterised in that: upper anastomosis ring
(32) and the internal diameter of lower anastomosis ring (31) be greater than resist-nailed seat outer diameter.
9. the stapler according to claim 7 with the adjustable resist-nailed seat component of bore, it is characterised in that: lower anastomosis ring
(31) and upper anastomosis ring (32) is equipped with the nail hole (34) with anastomosis staple (33) corresponding matching.
10. the stapler according to claim 7 with the adjustable resist-nailed seat component of bore, it is characterised in that: the lower kiss
Cyclization (31) and upper anastomosis ring (32) edge are equipped with spacing breach (35), be equipped on supporting nail sliding block (22) and nail bin (11) with
The retention bead (222) of spacing breach (35) cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721855691.9U CN208784824U (en) | 2017-12-26 | 2017-12-26 | Stapler with the adjustable resist-nailed seat component of bore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721855691.9U CN208784824U (en) | 2017-12-26 | 2017-12-26 | Stapler with the adjustable resist-nailed seat component of bore |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208784824U true CN208784824U (en) | 2019-04-26 |
Family
ID=66198326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721855691.9U Active CN208784824U (en) | 2017-12-26 | 2017-12-26 | Stapler with the adjustable resist-nailed seat component of bore |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208784824U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108113726A (en) * | 2017-12-26 | 2018-06-05 | 施爱德（厦门）医疗器材有限公司 | Stapler with the adjustable resist-nailed seat component of bore |
-
2017
- 2017-12-26 CN CN201721855691.9U patent/CN208784824U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108113726A (en) * | 2017-12-26 | 2018-06-05 | 施爱德（厦门）医疗器材有限公司 | Stapler with the adjustable resist-nailed seat component of bore |
| CN108113726B (en) * | 2017-12-26 | 2024-02-27 | 施爱德（厦门）医疗器材有限公司 | Anastomat with caliber-adjustable nail supporting seat assembly |
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