CN106137331A - Puncturing lever and perforator - Google Patents
Puncturing lever and perforator Download PDFInfo
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- CN106137331A CN106137331A CN201510128850.4A CN201510128850A CN106137331A CN 106137331 A CN106137331 A CN 106137331A CN 201510128850 A CN201510128850 A CN 201510128850A CN 106137331 A CN106137331 A CN 106137331A
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- slide bar
- cutter head
- switch
- spring
- sheath
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Abstract
The puncturing lever of the present invention and perforator, the switch press plate of puncturing lever is located at the side of handle set.During puncture, pressing switch press plate, cutter head, sheath and slide bar slide to handle set end under the resistance of abdominal wall muscle, and slide bar spring-compressed, blade stretches out in the groove of cutter head both sides.After puncturing lever passes peritoneum, the resistance suffered by cutter head suddenly disappears, and under the thrust of slide bar spring, slide bar, sheath and cutter head forward extend out rapidly, is recovered to by blade in the groove of cutter head both sides, prevents the blade damage to abdominal organs.Switch press plate is upspring, and meanwhile, under the elastic force effect that switch pushes away spring, slide bar lock dog knocks with the lock tab rank of slide bar, and prompting puncturing lever is through stomach wall, it is impossible to punctures, improves the safety of perforator.Additionally, because the axis of cutter head and the connecting sewing of the anastomosis of sheath and jack rod sleeve is non-perpendicular relation, the end sealing ring of perforator will not be stuck in above-mentioned connecting sewing, reduces the resistance of motion of puncturing lever.
Description
Technical field
The present invention relates to a kind of laparoscopically surgical operation apparatus, particularly relate to puncturing lever and the puncture used in laparoscopic surgery
Device.
Background technology
Laparoscopic surgery has obtained increasingly being widely applied, in order to avoid nosocomial infection, used in laparoscopic surgery
The consumption of secondary property perforator (Trocar) is the most increasing, on the basis of ensureing serviceability, reduces operating theater instruments and is puncturing
The resistance of motion in device, improves the security performance in product piercing process, and this trend has become the direction that perforator improves.
It is axial that the gap plane that junction between cutter head and the sheath of the puncturing lever of prior art is formed is typically with puncturing lever
Perpendicular relation, when puncturing lever is by end sealing ring, end sealing ring is easily stuck in above-mentioned gap, increases the fortune of puncturing lever
Dynamic resistance.Additionally, the locking switch of the puncturing lever of prior art is usually provided at the front end of the handle set of puncturing lever, when puncturing abdomen
When wall runs into false chamber, or when having pause in piercing process or withdraw action, locking switch is the most locked, and doctor can not be timely
Find, affect operation technique.For overcoming drawbacks described above, need existing puncturing lever and perforator are improved.
Summary of the invention
Puncturing lever, it is characterised in that: described puncturing lever 300 is containing cutter head 1, sheath 2, slide bar 3, pin 4, slide bar spring
5, blade 6, blade clamp 7, jack rod sleeve 8, guard bar 9, handle set 10, handle cover 11, switch press plate 12, switch card
Block 13 and switch push away spring 14；
The most described guard bar 9 is arranged on the front end of handle set 10；Described switch press plate 12 is arranged on described handle set 10；
The most described jack rod sleeve 8 sequentially passes through centre bore and the centre bore of described guard bar 9 of described handle set 10, and is fixed on
On handle set 10；
The far-end of the most described slide bar 3 is provided with pin hole 3-1, and the near-end of described slide bar 3 is provided with the reset convex rank 3-2 of switch press plate
And the lock tab rank 3-3 of slide bar；Described slide bar 3 is arranged in the centre bore of described jack rod sleeve 8；
The most described switch fixture block 13 is provided with and pushes away spring and fix the reset button 13-2 and slide bar lock dog 13-3 of post 13-1, switch press plate；
Described switch push away one end of spring 14 be arranged on described in push away spring and fix post 13-1, described switch pushes away the other end of spring 14 and is arranged on institute
The switch stating handle set 10 pushes away in spring mounting groove 10-1；Described switch fixture block 13 is arranged on the switch card of described handle set 10
In block mounting groove 10-2；The convex rank 3-2 of reset of the switch press plate on described slide bar 3 is at the reset button 13-2 of described switch press plate
Top；The lock tab rank 3-3 of described slide bar 3 is above described slide bar lock dog 13-3；Described handle cover 11 covers in institute
State on handle set 10；
The most described sheath 2 is slidably mounted in described guard bar 9, and the convex rank 9-1 on described guard bar 9 is arranged on institute
State in the detent 2-1 of sheath 2；
The most described blade 6 is fixed on the far-end of described jack rod sleeve 8 by described blade clamp 7；Described pin 4 is worn
After crossing the pin hole 3-1 of described slide bar 3 far-end, described cutter head 1, described sheath 2, described slide bar 3 are fixed together；
The near-end of described cutter head 1 together with the distal anastomosis of described sheath 2, described slide bar 3, described blade 6 and described pin 4
It is built in the cavity of described cutter head 1 and the formation of described sheath 2；Described pin 4, described cutter head 1, described slide bar 3 and institute
State sheath 2 and can form the longitudinal sliding motion along described jack rod sleeve 8 of the global facility；When described cutter head 1 is to described handle set 10
When end slides, described blade 6 can stretch out from the groove 1-1 of the both sides of described cutter head 1；When described cutter head 1 is to described cutter
When sheet 6 end slides, in the groove 1-1 of the both sides that described blade 6 is recovered to described cutter head 1；
The most described slide bar spring 5 is arranged on the near-end of described slide bar 3, and described slide bar 3 is withstood in one end of described slide bar spring 5
Near-end, the other end withstands on described handle cover 11；When described slide bar 3 slides to described handle set 10 direction, described
Slide bar spring 5 compresses, and when described slide bar 3 slides to described blade 6 direction, described slide bar spring 5 stretches.
Described switch press plate 12 is arranged on the side of described handle set 10.
Connecting sewing 102 and the described jack rod sleeve that anastomosis between near-end and the far-end of described sheath 2 of described cutter head 1 is formed
The axis of 8 is non-perpendicular relation.The connection formed due to the junction between cutter head 1 and the sheath 2 of described puncturing lever 300
Seam 102 is non-perpendicular relation with the axis of described jack rod sleeve 8, therefore, when described puncturing lever 300 is through described perforator 400
Time, the end sealing ring 400-1 of described perforator 400 is not easy to be stuck in described connecting sewing 102, can be effectively reduced institute
State the resistance of motion of puncturing lever 300.
Further, the angle β between described connecting sewing 102 and the axis 8-1 of described jack rod sleeve 8 is between 10 ° to 85 °.
The preferred range of angle β is 30 ° to 60 °
Described perforator 400 is containing puncturing lever 300 described in claim 1.
The puncturing lever of the present invention and perforator, the described switch press plate 12 of described puncturing lever 300 is located at described handle set 10
Side.When needing to puncture, first pressing described switch press plate 12, described cutter head 1, sheath 2 and slide bar 3 are at abdominal wall muscle
Sliding to described handle set 10 end under resistance, described slide bar spring 5 compresses, and described blade 6 is recessed from described cutter head 1 both sides
Stretch out in groove 1-1.After described puncturing lever 300 passes peritoneum, the resistance suffered by described cutter head 1 suddenly disappears,
Under the thrust of described slide bar spring 5, described slide bar 3 drives described slide bar 3, sheath 2 and cutter head 1 rapidly to extension
Go out, described blade 6 is recovered in the groove 1-1 of described cutter head 1 both sides, prevents the described blade 6 damage to abdominal organs
Wound.Described switch press plate 12 is upspring, meanwhile, under the elastic force effect that described switch pushes away spring 14, and described slide bar lock dog 13-3
Knock with the lock tab rank 3-3 of described slide bar, point out described puncturing lever 300 through stomach wall, it is impossible to puncture again,
Improve the safety of described perforator 400.Additionally, because of described cutter head 1 and the anastomosis of sheath 2 connecting sewing 102 with
The axis of jack rod sleeve 8 is non-perpendicular relation, and the end sealing ring 400-1 of perforator 400 will not be stuck in described connecting sewing 102,
Reduce the resistance of motion of described puncturing lever 300.
Accompanying drawing explanation
Fig. 1 is the structural representation of the puncturing lever of the present invention.
Fig. 1-1 is the A-A sectional view of Fig. 1.
Fig. 1-2 is the B-B sectional view of Fig. 1-1.
Fig. 1-3 is the explosive view of Fig. 1.
Fig. 2 is the structural representation of the perforator of the present invention.The slide bar 3 of the puncturing lever 300 of described perforator 400 is in out
Putting state, described cutter head 1, sheath 2 and slide bar 3 can slide along the direction of the axial described handle cover 11 of described jack rod sleeve 8.
When the switch press plate convex rank 3-2 of reset on described slide bar 3 moves to the direction of handle cover 11, described switch press plate resets convex
Rank 3-2 can reset along described switch press plate under the elastic force effect that described switch pushes away spring 14 and detain the inclined-plane of 13-2 by described switch card
Block 13 pushes lower left side to, the lock-out state of the button 13-2 that the locating button 8-1 on described jack rod sleeve 8 resetted described switch press plate
Release so that described switch press plate 12 is upspring；The most described slide bar lock dog 13-3 moves, to the left described in moving upward
Slide bar lock tab rank 3-3 sends impact sound.When described switch press plate 12 resets completely, described slide bar lock dog 13-3 just exists
The top of described slide bar lock tab rank 3-3, locks described slide bar lock tab rank 3-3 so that described slide bar 3 can not be to described hands
Moving in handle lid 11 direction, described slide bar 3 enters lock-out state.
Fig. 2-1 is the perforator of present invention structural representation when being in the lock state, and described slide bar 3 is in the lock state, institute
State cutter head 1, sheath 2 and slide bar 3 to slide along the direction of the axial described handle cover 11 of described jack rod sleeve 8.When described cunning
When bar 3 is in the lock state, described slide bar lock dog 13-3 blocks described slide bar lock tab rank 3-3 so that described slide bar locks
Convex rank 3-3 can not move to described handle cover 11 direction.When needing the lock-out state releasing described slide bar 3, open described
Closing pressing plate 12 to depress, promote described switch fixture block 13 to move to the right, described switch press plate resets button 13-2 by described slide bar
Locating button 8-1 locking on set 8, the most described slide bar lock dog 13-3 moves to the right, and described switch pushes away spring 14 and compressed,
The path that described slide bar lock tab rank 3-3 moves upward is not hindered by described slide bar lock dog 13-3, and motion path is open, described
Slide bar 3 can come back to open state.
In above-mentioned figure:
300 is the puncturing lever of the present invention, and 400 is the perforator of the present invention, and 400-1 is the end sealing ring of the perforator of the present invention.
1 is cutter head, and 2 is sheath, and 3 is slide bar, and 4 is pin, and 5 is slide bar spring, and 6 is blade, and 7 is blade clamp,
8 is jack rod sleeve, and 9 is guard bar, and 10 is handle set, and 11 is handle cover, and 12 is switch press plate, and 13 is switch fixture block, 14
Spring is pushed away for switch.
1-1 is the groove of cutter head both sides, and 102 is the connecting sewing that cutter head is formed with sheath anastomosis.
2-1 is the detent on sheath.
3-1 is pin hole, and 3-2 is the convex rank of switch press plate reset of slide bar, and 3-3 is slide bar lock tab rank.
8-1 is the locating button on jack rod sleeve.
9-1 is the convex rank of guard bar.
10-1 is that the switch of handle set pushes away spring mounting groove, and 10-2 is switch fixture block mounting groove.
13-1 is that post fixed by the spring that pushes away of switch fixture block, and 13-2 is switch press plate reset button, 13-3 slide bar lock dog.
β is the angle between connecting sewing and the axis of jack rod sleeve of cutter head and the formation of sheath anastomosis.
Detailed description of the invention
Embodiment 1: the puncturing lever of the present invention
Referring to figs. 1 to Fig. 1-3, the puncturing lever of the present invention containing cutter head 1, sheath 2, slide bar 3, pin 4, slide bar spring 5,
Blade 6, blade clamp 7, jack rod sleeve 8, guard bar 9, handle set 10, handle cover 11, switch press plate 12, switch fixture block
13 and switch push away spring 14.
Described guard bar 9 is arranged on the front end of handle set 10；Described switch press plate 12 is arranged on described handle set 10.
Described jack rod sleeve 8 sequentially passes through centre bore and the centre bore of described guard bar 9 of described handle set 10, and is fixed on handle
On seat 10.
The far-end of described slide bar 3 is provided with pin hole 3-1, the near-end of described slide bar 3 be provided with switch press plate reset convex rank 3-2 and
The lock tab rank 3-3 of slide bar；Described slide bar 3 is arranged in the centre bore of described jack rod sleeve 8.
Described switch fixture block 13 is provided with and pushes away spring and fix the reset button 13-2 and slide bar lock dog 13-3 of post 13-1, switch press plate；
Described switch push away one end of spring 14 be arranged on described in push away spring and fix post 13-1, described switch pushes away the other end of spring 14 and is arranged on institute
The switch stating handle set 10 pushes away in spring mounting groove；Described switch fixture block 13 is arranged on the switch fixture block of described handle set 10 and installs
In groove；The convex rank 3-2 of reset of the switch press plate on described slide bar 3 is above the button 13-2 that resets of described switch press plate；Institute
State the lock tab rank 3-3 of slide bar above described slide bar lock dog 13-3；Described handle cover 11 covers on described handle set 10.
Described sheath 2 is slidably mounted in described guard bar 9, and the convex rank 9-1 on described guard bar 9 is arranged on described
In the detent 2-1 of sheath 2.
Described blade 6 is fixed on the far-end of described jack rod sleeve 8 by described blade clamp 7；Described pin 4 passes
After the pin hole 3-1 of described slide bar 3 far-end, described cutter head 1, described sheath 2 and described slide bar 3 are fixed together；Institute
State the near-end of cutter head 1 together with the distal anastomosis of described sheath 2, described slide bar 3, described blade 6 and described pin 4
It is built in the cavity of described cutter head 1 and the formation of described sheath 2；Described pin 4, described cutter head 1, described slide bar 3 and institute
State sheath 2 and can form the longitudinal sliding motion along described jack rod sleeve 8 of the global facility；When described cutter head 1 is to described handle set 10
When end slides, described blade 6 can stretch out from the groove 1-1 of the both sides of described cutter head 1；When described cutter head 1 is to described cutter
When sheet 6 end slides, in the groove 1-1 of the both sides that described blade 6 is recovered to described cutter head 1.
Described slide bar spring 5 is arranged on the near-end of described slide bar 3, and described slide bar 3 is withstood in one end of described slide bar spring 5
Near-end, the other end withstands on described handle cover 11；When described slide bar 3 slides to described handle set 10 direction, described cunning
Bar spring 5 compresses, and when described slide bar 3 slides to described blade 6 direction, described slide bar spring 5 stretches.
Described switch press plate 12 is arranged on the side of described handle set 10.
Connecting sewing 102 and the described jack rod sleeve that anastomosis between near-end and the far-end of described sheath 2 of described cutter head 1 is formed
The axis of 8 is non-perpendicular relation.The connection formed due to the junction between cutter head 1 and the sheath 2 of described puncturing lever 300
Seam 102 is non-perpendicular relation with the axis of described jack rod sleeve 8, therefore, when described puncturing lever 300 is through described perforator 400
Time, the end sealing ring 400-1 of described perforator 400 is not easy to be stuck in described connecting sewing 102, can be effectively reduced institute
State the resistance of motion of puncturing lever 300.
Further, the angle β between described connecting sewing 102 and the axis of described jack rod sleeve 8 is 45 ° ± 10 °.
With reference to Fig. 2 and Fig. 2-1, described perforator 400 is containing puncturing lever 300 described in claim 1.
When the slide bar 3 of the puncturing lever 300 of described perforator 400 is in open state, described cutter head 1, sheath 2 and cunning
Bar 3 can slide along the direction of the axial described handle cover 11 of described jack rod sleeve 8.When the switch press plate on described slide bar 3 resets
When convex rank 3-2 moves to the direction of handle cover 11, the described switch press plate convex rank 3-2 of reset can push away spring 14 at described switch
Under elastic force effect, to lower left side is pushed described switch fixture block 13, by described cunning in the inclined-plane along described switch press plate reset button 13-2
Described switch press plate is resetted and detains the lock-out state releasing of 13-2 by the locating button 8-1 on bar set 8 so that described switch press plate 12
Upspring；The most described slide bar lock dog 13-3 moves to the left, sends collision with the described slide bar lock tab rank 3-3 moved upward
Sound.When described switch press plate 12 resets completely, described slide bar lock dog 13-3 is just described slide bar lock tab rank 3-3's
Top, locks described slide bar lock tab rank 3-3 so that described slide bar 3 can not move to described handle cover 11 direction, described
Slide bar 3 enters lock-out state.Now, described cutter head 1, sheath 2 and slide bar 3 can not be the most described along described jack rod sleeve 8
Slide in the direction of handle cover 11.When described slide bar 3 is in the lock state, described slide bar lock dog 13-3 blocks described slide bar
Lock tab rank 3-3 so that described slide bar lock tab rank 3-3 can not move to described handle cover 11 direction.When needs release institute
When stating the lock-out state of slide bar 3, described switch press plate 12 is depressed, promote described switch fixture block 13 to move to the right, institute
State switch press plate reset button 13-2 locked by the locating button 8-1 on described jack rod sleeve 8, the most described slide bar lock dog 13-3 to
Right side motion, described switch pushes away spring 14 and is compressed, and the path that described slide bar lock tab rank 3-3 moves upward is not by described slide bar
Lock dog 13-3 hinders, and motion path is open, and described slide bar 3 can come back to open state.
When the perforator of the present invention works, first pressing described switch press plate 12, described cutter head 1, sheath 2 and slide bar 3 are at abdomen
Sliding to described handle set 10 end under the resistance of wall muscle, described slide bar spring 5 compresses, and described blade 6 is from described cutter head 1
Stretch out in the groove 1-1 of both sides.After described puncturing lever 300 passes peritoneum, the resistance suffered by described cutter head 1 is unexpected
Disappearing, under the thrust of described slide bar spring 5, described slide bar 3 drives described slide bar 3, sheath 2 and cutter head 1 fast
Speed forward extends out, and is recovered to by described blade 6 in the groove 1-1 of described cutter head 1 both sides, prevents described blade 6 to abdominal cavity
The damage of organ.Described switch press plate 12 is upspring, meanwhile, under the elastic force effect that described switch pushes away spring 14, and described slide bar
Lock dog 13-3 knocks with the lock tab rank 3-3 of described slide bar, points out described puncturing lever 300 through stomach wall, it is impossible to
Puncture again, improve the safety of described perforator 400.
It should be noted that structure disclosed and illustrated herein can replace by the structure that other effect is identical, institute the most of the present invention
The embodiment introduced not realizes the exclusive architecture of the present invention.Although the preferred embodiments of the present invention is introduced the most in this article
And explanation, but those skilled in the art are aware that and know that these embodiments are only to illustrate, in this area
Technical staff can make countless change, improves and replace, without departing from the present invention, therefore, and should be according to institute of the present invention
The spirit and scope of attached claims limit protection scope of the present invention.
Claims (5)
1. puncturing lever, it is characterised in that: described puncturing lever (300) is containing cutter head (1), sheath (2), slide bar (3), pin
Nail (4), slide bar spring (5), blade (6), blade clamp (7), jack rod sleeve (8), guard bar (9), handle set (10),
Handle cover (11), switch press plate (12), switch fixture block (13) and switch push away spring (14)；
The most described guard bar (9) is arranged on the front end of handle set (10)；Described switch press plate (12) is arranged on described handle
On seat (10)；
The most described jack rod sleeve (8) sequentially passes through centre bore and the centre bore of described guard bar (9) of described handle set (10),
And be fixed on handle set (10)；
The far-end of the most described slide bar (3) is provided with pin hole (3-1), and the near-end of described slide bar (3) is provided with answering of switch press plate
Convex rank, position (3-2) and the lock tab rank (3-3) of slide bar；Described slide bar (3) is arranged on the centre bore of described jack rod sleeve (8)
In；
The most described switch fixture block (13) is provided with and pushes away spring and fix post (13-1), the reset button (13-2) of switch press plate and sliding
Lever lock block (13-3)；Described switch push away one end of spring (14) be arranged on described in push away spring and fix post (13-1), described switch pushes away
The other end of spring (14) is arranged on the switch of described handle set (10) and pushes away in spring mounting groove (10-1)；Described switch fixture block
(13) it is arranged in switch fixture block mounting groove (10-2) of described handle set (10)；Switch on described slide bar (3)
The convex rank of reset (3-2) of pressing plate are in the top of the reset button (13-2) of described switch press plate；The lock tab rank (3-3) of described slide bar
Top described slide bar lock dog (13-3)；Described handle cover (11) covers on described handle set (10)；
The most described sheath (2) is slidably mounted in described guard bar (9), the convex rank (9-1) on described guard bar (9)
It is arranged in the detent (2-1) of described sheath (2)；
The most described blade (6) is fixed on the far-end of described jack rod sleeve (8) by described blade clamp (7)；Institute
After stating the pin hole (3-1) that pin (4) passes described slide bar (3) far-end, by described cutter head (1), described sheath (2)
And described slide bar (3) is fixed together；The near-end of described cutter head (1) together with the distal anastomosis of described sheath (2),
Described slide bar (3), described blade (6) and described pin (4) are built in described cutter head (1) and described sheath (2) shape
In the cavity become；Described pin (4), described cutter head (1), described slide bar (3) and described sheath (2) can form one
Global facility is along the longitudinal sliding motion of described jack rod sleeve (8)；When described cutter head (1) slides to described handle set (10) end,
Described blade (6) can stretch out from the groove (1-1) of the both sides of described cutter head (1)；When described cutter head (1) is to described
When blade (6) end slides, described blade (6) is recovered in the groove (1-1) of the both sides of described cutter head (1)；
The most described slide bar spring (5) is arranged on the near-end of described slide bar (3), and one end of described slide bar spring (5) is withstood
The near-end of described slide bar (3), the other end withstands on described handle cover (11)；When described slide bar (3) is to described handle set
(10) when slide in direction, described slide bar spring (5) is compressed, when described slide bar (3) is sliding to described blade (6) direction
Time dynamic, described slide bar spring (5) is stretched.
Puncturing lever the most according to claim 1, it is characterised in that: described switch press plate (12) is arranged on described handle
The side of seat (10).
Puncturing lever the most according to claim 1, it is characterised in that: the near-end of described cutter head (1) and described sheath (2)
Far-end between the axis of connecting sewing (102) and described jack rod sleeve (8) that formed of anastomosis be non-perpendicular relation.
Puncturing lever the most according to claim 3, it is characterised in that: described connecting sewing (102) and described jack rod sleeve (8)
Axis between angle β between 10 ° to 85 °.
5. perforator described in (400) is containing puncturing lever (300) described in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510128850.4A CN106137331B (en) | 2015-03-22 | 2015-03-22 | Puncturing lever and puncture outfit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510128850.4A CN106137331B (en) | 2015-03-22 | 2015-03-22 | Puncturing lever and puncture outfit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106137331A true CN106137331A (en) | 2016-11-23 |
| CN106137331B CN106137331B (en) | 2018-08-07 |
Family
ID=58063881
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510128850.4A Active CN106137331B (en) | 2015-03-22 | 2015-03-22 | Puncturing lever and puncture outfit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106137331B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106491192A (en) * | 2016-12-09 | 2017-03-15 | 成都五义医疗科技有限公司 | A kind of perforator comprising double protective covers |
| CN106510808A (en) * | 2016-12-09 | 2017-03-22 | 成都五义医疗科技有限公司 | Puncture outfit comprising combined working blade |
| CN106618688A (en) * | 2016-12-09 | 2017-05-10 | 成都五义医疗科技有限公司 | Puncture needle containing harmless protector |
| WO2018103570A1 (en) * | 2016-12-09 | 2018-06-14 | 成都五义医疗科技有限公司 | Two-half and dual-mode bladeless puncture needle, and trocar |
| CN110279453A (en) * | 2019-06-17 | 2019-09-27 | 天津优外医疗器材制造有限公司 | A kind of band knife disabler and puncture outfit with self-locking function |
| CN110916776A (en) * | 2019-12-31 | 2020-03-27 | 常州市环康医疗器械有限公司 | Spacing self-lock device of puncture ware |
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| CN201727566U (en) * | 2010-06-28 | 2011-02-02 | 汤井沣 | Disposable puncturing device with air bag |
| CN203001082U (en) * | 2013-01-21 | 2013-06-19 | 杨学宁 | Expandable forming puncture outfit for disposable endoscope |
| CN204671238U (en) * | 2015-03-22 | 2015-09-30 | 周星 | Puncturing lever and perforator |
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| EP0513962A2 (en) * | 1991-04-25 | 1992-11-19 | Dexide, Inc. | Trocar instrument |
| US20010018549A1 (en) * | 2000-01-21 | 2001-08-30 | Victor Scetbon | Percutaneous device and method for treating urinary stress incontinence in women using a sub-urethral tape |
| CN201727566U (en) * | 2010-06-28 | 2011-02-02 | 汤井沣 | Disposable puncturing device with air bag |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106491192A (en) * | 2016-12-09 | 2017-03-15 | 成都五义医疗科技有限公司 | A kind of perforator comprising double protective covers |
| CN106510808A (en) * | 2016-12-09 | 2017-03-22 | 成都五义医疗科技有限公司 | Puncture outfit comprising combined working blade |
| CN106618688A (en) * | 2016-12-09 | 2017-05-10 | 成都五义医疗科技有限公司 | Puncture needle containing harmless protector |
| WO2018103573A1 (en) * | 2016-12-09 | 2018-06-14 | 成都五义医疗科技有限公司 | Trocar comprising two protective covers |
| WO2018103571A1 (en) * | 2016-12-09 | 2018-06-14 | 成都五义医疗科技有限公司 | Puncture needle comprising damage-free protection device |
| WO2018103570A1 (en) * | 2016-12-09 | 2018-06-14 | 成都五义医疗科技有限公司 | Two-half and dual-mode bladeless puncture needle, and trocar |
| CN110279453A (en) * | 2019-06-17 | 2019-09-27 | 天津优外医疗器材制造有限公司 | A kind of band knife disabler and puncture outfit with self-locking function |
| CN110279453B (en) * | 2019-06-17 | 2024-01-30 | 天津优外医疗器材制造有限公司 | Cutter-carrying stopper with self-locking function and puncture outfit |
| CN110916776A (en) * | 2019-12-31 | 2020-03-27 | 常州市环康医疗器械有限公司 | Spacing self-lock device of puncture ware |
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| CN106137331B (en) | 2018-08-07 |
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