CN203953763U - A kind of microtrauma puncture device - Google Patents
A kind of microtrauma puncture device Download PDFInfo
- Publication number
- CN203953763U CN203953763U CN201420389361.5U CN201420389361U CN203953763U CN 203953763 U CN203953763 U CN 203953763U CN 201420389361 U CN201420389361 U CN 201420389361U CN 203953763 U CN203953763 U CN 203953763U
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- Prior art keywords
- puncture
- unlock switch
- microtrauma
- dead bolt
- black box
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- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of microtrauma puncture device, comprise puncture needle assembly, black box and puncture casing assembly, the release of black box and puncture casing inter-module realizes Bidirectional unlocking by unlock switch, and operation is convenient; In black box, adopt screening glass to coordinate with rubber flap, it is reasonable in design in having ensured sealing, reduce as much as possible apparatus by time resistance; In puncture casing assembly, traditional yi word pattern platypus type air shuttle valve is changed into the sealing property that the sealing of Y-shaped air shuttle valve further promotes perforator; On puncture casing, two-port valve airintake direction and outgassing direction 90 are spent angle, greatly reduce perforator height dimension, have reduced apparatus volume, convenient storage and transport.Microtrauma puncture utensil of the present utility model has the advantage that good seal performance, unlocking operation are convenient, apparent size is little.
Description
Technical field
This utility model belongs to medical instruments field, is specifically related to a kind of microtrauma puncture device.
Background technology
Disposable use microtrauma puncture device is the important apparatus in endoscope-assistant surgery, and it is that a kind of breast is outer, abdomen external cavity mirror instrument, is applicable to set up in thoracic cavity, chamber, abdominal cavity spectroscopy and operation process the apparatus of thoracic cavity, abdominal operation service aisle.When laparoscopic surgery starts, the puncture position incision epiderm skin of choosing with scalpel, then with puncture needle part and the puncture casing transdermal of perforator and enter body cavity, form surgical work passage, in operation process, need to ensure the sealing of devices work passage.Easily gas leakage in existing microtrauma puncture device operation process, is input to Intraabdominal Leakage Gas and is sunk in abdominal cavity and affect normally carrying out of operation.In the time taking out Operated Specimens and organize in operation, need to be by black box and puncture casing components apart, its black box of existing perforator, can only unidirectional release in the time of release together with puncture casing assembled, uses inconvenient.In addition, the two-port valve airintake direction of perforator and outgassing direction, cause apparatus apparent size large point-blank.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned defect, and a kind of novel microtrauma puncture device is provided, and this perforator good seal performance, unlocking operation facilitate, apparent size is little.
The technical scheme that this utility model adopts is: a kind of microtrauma puncture device, comprises puncture needle assembly, black box and puncture casing assembly.
Black box comprises on seal cover, bracing ring, in sealing ring, screening glass, bracing ring, under rubber flap, bracing ring and capsul.Sealing ring and screening glass are arranged between the two by the interference fit on bracing ring and in bracing ring; rubber flap is arranged between the two by the interference fit in bracing ring and under bracing ring; form choke passage; whole sealing member assembly is pressed between capsul and seal cover by the outer rim of sealing ring again, together with seal cover passes through ultra-sonic welded with capsul.As a kind of preferred structure, rubber flap has 5, and every rubber flap comprises conical surface thinner wall section and the curved portions that is connected to conical surface thinner wall section bottom, and described conical surface thin-walled bottom has the circumference of 180 °-270o, staggered 72 ° of arrangements between rubber flap.
Puncture casing assembly comprises puncture casing, sleeve shell and sleeve pipe upper cover, puncture casing is socketed in sleeve shell, puncture casing is provided with air inlet, this air inlet is connected with the escape pipe on two-port valve, in the cavity of two-port valve, is provided with piston, and two-port valve cavity wall is provided with air inlet pipe and escape pipe, air inlet pipe and escape pipe are 90 ° of angles, the size that can reduce perforator, has reduced apparatus volume, convenient storage and transport.
On capsul, be provided with two dead bolts, dead bolt bottom forms dead bolt inclined-plane, and dead bolt outside is provided with dead bolt locking face; In unlock switch in puncture casing assembly, correspondence is provided with two locking boss, locking boss upper surface forms the unlock switch inclined-plane corresponding with dead bolt inclined-plane, lower end forms unlock switch locking face, between two locking boss of unlock switch, be provided with release stage clip mounting groove, release stage clip is arranged in this groove, fitting tight assembly coordinates release stage clip compression in the process putting in place in dead bolt inclined-plane during with puncture casing assembly with unlock switch inclined-plane, coordinate the elastic force of release stage clip while putting in place to make unlock switch reverse rotation, dead bolt locking face is buckled in unlock switch locking face; The elastic force that can two-wayly stir unlock switch when release and overcome release stage clip, unlock switch locking face separates with dead bolt locking face.
In sleeve shell inner chamber, be provided with air shuttle valve, this air shuttle valve comprises the inner cup portion of being made up of elastomeric material, and the bottom surface of this cup is plane, and these bottom surface central authorities are provided with Y-shaped seam, and the sidewall of inner cup portion is provided with three arcuate grooves that angle is relative that stitch with Y-shaped respectively.Three finedraws of described Y-shaped seam are mutually 120 ° of angles.The upper end of described inner cup portion has been provided with the annular flange of interconnect function.Little at apparatus resistance when the Y word gap, and after apparatus is extracted out Y-shaped to be sewn under elastic reaction three finedraw quick-make sealing effectiveness better, prevent that being delivered to endoceliac gas by the enterprising QI KOU of puncture casing leaks.
The beneficial effects of the utility model are that (1) screening glass adopts soft plastic rubber material, and rubber flap adopts gum elastic material, in having ensured sealing, reduce as much as possible apparatus by time resistance; (2) two-port valve airintake direction and outgassing direction 90 are spent angle, greatly reduce perforator height dimension, have reduced apparatus volume, convenient storage and transport; (3) unlock switch Bidirectional unlocking structure, in the time needing the specimen of taking-up excision to organize in operation, unlock switch is both direction release smoothly forwards, backwards on existing position, and black box is separated with puncture casing assembly quick release, has greatly increased the convenience of operation; (4) sealing of Y-shaped air shuttle valve further promotes the sealing property of perforator.
Brief description of the drawings
The structural representation of Fig. 1 this utility model microtrauma puncture device;
Fig. 2 is the explosive view of this utility model microtrauma puncture device;
Fig. 3 is the structure chart of the black box of this utility model microtrauma puncture device;
Fig. 4 is the structure chart of this utility model puncture casing assembly;
Fig. 5 is the installation diagram of the black box of this utility model microtrauma puncture device;
Fig. 6 is the top view after the black box of this utility model microtrauma puncture device assembles;
Fig. 7 is the upward view after the black box of this utility model microtrauma puncture device assembles;
Fig. 8 is the A-A profile in Fig. 6;
Fig. 9 is the structural representation of seal cover;
Figure 10 is the structural representation of unlock switch;
Figure 11 is the installation diagram of this utility model black box and sleeve pipe upper cover;
Figure 12 is Figure 11 upward view;
Figure 13 is the structural representation of air shuttle valve;
Figure 14 is puncture needle modular construction schematic diagram;
Figure 15 is puncture needle assembly partial structurtes schematic diagrams.
In figure, 1 puncture needle tubing, 2 puncture hands handles, 3 sight glass locks, 4 torsion springs, 5 seal covers, on 6 bracing rings, 7 sealing rings, 8 screening glass, in 9 bracing rings, 10 rubber flaps, under 11 bracing rings, 12 capsuls, 13 springs, 14 sleeve pipe upper covers, 15 release stage clips, 16 unlock switch, 17 air shuttle valves, 18 sleeve shells, 19 puncture casing, 20 pistons, 21 two-port valves, under 2-1 handle, on 2-2 handle, 2-3 through hole, 2-4 draw-in groove, 3-1 joint pin, 10-1 conical surface thinner wall section, 10-2 curved portions, 12-1 dead bolt, 12-1a dead bolt inclined-plane, 12-1b dead bolt locking face, 14-1 square groove, 16-1 locking boss, 16-1a unlock switch inclined-plane, 16-1b unlock switch locking face, 16-2 release stage clip mounting groove, 16-3 button handsetting, 17-1 annular flange, 17-2 inner cup portion, 17-3 Y-shaped seam, 17-4 arcuate groove, 19-1 air inlet, 21-1 air inlet pipe, 21-2-escape pipe.
Detailed description of the invention
As depicted in figs. 1 and 2, a kind of microtrauma puncture device, comprises puncture needle assembly 100, black box 200 and puncture casing assembly 300.Together with black box 200 is assembled with puncture casing assembly 300, puncture needle assembly 100 coordinates with the assembly of black box 200 and puncture casing assembly 300 in piercing process, after puncture, piercing assembly 100 separates with the assembly of black box 200 and puncture casing assembly 300, and black box 200 forms operation path with the assembly of puncture casing assembly 300.
As shown in Fig. 2, Figure 14 and Figure 15, this utility model puncture needle assembly 100, comprise the Separator of organizing of puncture needle tubing 1 and puncture handle 2 and front end, under the handle of puncture handle 2,2-1 is connected with puncture needle tubing 1, and on handle, to be fixed under handle 2-1 upper for 2-2, and handle 2 central authorities that puncture are provided with through hole 2-3, under described handle, 2-1 is provided with sight glass lock 3, on sight glass lock 3, be provided with two joint pin 3-1, joint pin 3-1 is stuck in the draw-in groove 2-4 under handle, has at least on a joint pin 3-1 and is provided with torsion spring 4.When use, sight glass is locked to 3 a little to turning up, through hole 3-1 endoscope's bar on handle is inserted in puncture casing 1, after putting in place, unclamp sight glass lock 3, sight glass lock 3 twisting forces due to torsion spring can inwardly push sight glass bar by nature, in use perforator piercing process, endoscope is fixed position in perforator, ensures that in piercing process, imaging is stable.
With reference to figure 2, Fig. 3 and Fig. 5-Fig. 8, black box of the present utility model comprises on seal cover 5, bracing ring 6, in sealing ring 7, screening glass 8, bracing ring 9, under rubber flap 10, bracing ring 11 and capsul 12.Sealing ring 7 and screening glass 8 by bracing ring 6 and bracing ring in 9 interference fit be arranged between the two; rubber flap 10 by bracing ring 9 and bracing ring under 11 interference fit be arranged between the two; form choke passage; whole sealing member assembly is pressed between capsul 12 and seal cover 5 by the outer rim of sealing ring 7 again, together with seal cover 5 passes through ultra-sonic welded with capsul 12.In the present embodiment, rubber flap 10 has 5, and every rubber flap comprises conical surface thinner wall section 10-1 and the curved portions 10-2 that is connected to conical surface thinner wall section bottom, and described conical surface thin-walled bottom has the circumference of 180 °-270,10 staggered 72 ° of arrangements successively of rubber flap.Being staggered of rubber flap 10, presses its conical surface thinner wall section 10-1 folded mutually, forms petal-like channel design, and when apparatus passes this passage, conical surface thinner wall section is closely wrapped up apparatus, has improved sealing property.And the screening glass 8 that is arranged on the passage top that rubber flap 10 forms can be protected rubber flap 10, avoid apparatus to puncture rubber flap 10.Described screening glass 8 adopts soft plastic rubber material, and rubber flap adopts gum elastic material, in having ensured sealing, reduce as much as possible apparatus by time resistance.
As shown in Figure 2, puncture casing assembly comprises sleeve pipe upper cover 14, sleeve shell 18 and puncture casing 19 etc., sleeve shell 18 is bowl structure, puncture casing 19 is longitudinally connected to sleeve shell 18 bottom center, sealing is fixed on the sleeve pipe upper cover 14 at these sleeve shell 18 tops, in the cavity of puncture casing 19, be provided with air shuttle valve 17, the sidewall of puncture casing 19 is provided with air inlet 19-1, this air inlet 19-1 is connected with the escape pipe 21-2 on two-port valve 21, in the cavity of two-port valve, be provided with piston 20, two-port valve 21 cavity walls are provided with air inlet pipe 21-1 and escape pipe 21-2, air inlet pipe 21-1 and escape pipe 21-2 are 90 ° of angles.With the two-port valve 21 of piston 20 for conducting with stop perfusion gas to enter by puncture casing 19 or get rid of body cavity.90 ° of angles between the air inlet 21-1 of two-port valve 21 and gas outlet 21-2 in this utility model, can reduce the size of perforator, have reduced apparatus volume, convenient storage and transport.In sleeve shell inner chamber, be provided with air shuttle valve 17, as shown in figure 13, this air shuttle valve 17 comprises the inner cup portion 17-1 being made up of elastomeric material, the bottom surface of this cup is plane, these bottom surface central authorities are provided with Y-shaped seam 17-3, and the sidewall of inner cup portion 17-1 is provided with relative with three angles of Y-shaped seam 17-3 respectively arcuate groove 17-4.Three finedraws of described Y-shaped seam 17-3 are mutually 120 ° of angles.The upper end of described inner cup portion has been provided with the annular flange 17-1 of interconnect function.Little at apparatus resistance when the Y word gap, and after apparatus is extracted out Y-shaped to be sewn under elastic reaction three finedraw quick-make sealing effectiveness better, prevent that being delivered to endoceliac gas by the enterprising QI KOU 19-1 of puncture casing leaks.
With reference to figure 9-Figure 12, on capsul 12, be provided with two dead bolt 12-1, dead bolt bottom forms dead bolt inclined-plane 12-1a, and dead bolt outside is provided with dead bolt locking face 12-1b; In unlock switch 16 in puncture casing assembly, correspondence is provided with two locking boss 16-1, locking boss 16-1 upper surface forms the unlock switch inclined-plane 16-1a corresponding with dead bolt inclined-plane 12-1a, lower end forms unlock switch locking face 16-1b, between two locking boss 16-1 of unlock switch, be provided with release stage clip mounting groove 16-2, release stage clip 12 is arranged in this groove.When black box 200 and puncture casing assembly 300 are installed, dead bolt 12-1 is through the square groove 14-1 on sleeve pipe upper cover 14, the inclined surface that dead bolt inclined-plane 12-1a acts on unlock switch 16 in puncture casing assembly is on unlock switch inclined-plane 16-1a, originally unlock switch 16 under the elastic force effect of the two release stage clips 15 in left and right in poised state, installing force acts on unlock switch inclined-plane 16-1a by dead bolt inclined-plane 12-1a, the elastic force that overcomes release stage clip 15 rotates unlock switch 16, along with sealing device is in place, after inclined-plane is coupled to end, unlock switch 16 is stopped the rotation and counter-rotates under the elastic force effect of release stage clip 15, dead bolt locking face 12-1b is buckled on unlock switch locking face 16-2b corresponding in unlock switch to be locked on puncture casing assembly.In the time that needs are pulled down black box 200, can two-wayly stir unlock switch 16, unlock switch 16 overcomes the elastic force rotation of release stage clip 15, in the time that unlock switch locking face 16-2b leaves the tongue lock locking face 12-1b of capsul lock, black box can be taken off.For handled easily, in unlock switch 16, be provided with button handsetting 16-3.
Claims (10)
1. a microtrauma puncture device, comprises puncture needle assembly, black box and puncture casing assembly, it is characterized in that: black box comprises seal cover and capsul, and each black box is assembled in seal cover and capsul; On capsul, be provided with two dead bolts, dead bolt bottom forms dead bolt inclined-plane, and dead bolt outside is provided with dead bolt locking face; In unlock switch in puncture casing assembly, correspondence is provided with two locking boss, locking boss upper surface forms the unlock switch inclined-plane corresponding with dead bolt inclined-plane, lower end forms unlock switch locking face, between two locking boss of unlock switch, be provided with release stage clip mounting groove, release stage clip is arranged in this groove, fitting tight assembly coordinates release stage clip compression in the process putting in place in dead bolt inclined-plane during with puncture casing assembly with unlock switch inclined-plane, coordinate the elastic force of release stage clip while putting in place to make unlock switch reverse rotation, dead bolt locking face is buckled in unlock switch locking face; The elastic force that can two-wayly stir unlock switch when release and overcome release stage clip, unlock switch locking face separates with dead bolt locking face.
2. a kind of microtrauma puncture device according to claim 1, is characterized in that: in described unlock switch, be provided with button handsetting.
3. a kind of microtrauma puncture device according to claim 1, it is characterized in that: described black box comprises seal cover, on bracing ring, sealing ring, screening glass, in bracing ring, rubber flap, under bracing ring and capsul, sealing ring and screening glass are arranged between the two by the interference fit on bracing ring and in bracing ring, rubber flap is arranged between the two by the interference fit in bracing ring and under bracing ring, form choke passage, whole sealing member assembly is pressed between capsul and seal cover by the outer rim of sealing ring again, together with seal cover passes through ultra-sonic welded with capsul.
4. a kind of microtrauma puncture device according to claim 3, is characterized in that: described rubber flap has 5, and every rubber flap comprises conical surface thinner wall section and the curved portions that is connected to conical surface thinner wall section bottom.
5. a kind of microtrauma puncture device according to claim 4, is characterized in that: described conical surface thin-walled bottom has the circumference of 180 °-270o, staggered 72 ° of arrangements between rubber flap.
6. a kind of microtrauma puncture device according to claim 1, it is characterized in that: described puncture casing assembly comprises puncture casing, sleeve shell and sleeve pipe upper cover, puncture casing is socketed in sleeve shell, puncture casing is provided with air inlet, this air inlet is connected with the escape pipe on two-port valve, in the cavity of two-port valve, be provided with piston, two-port valve cavity wall is provided with air inlet pipe and escape pipe, and air inlet pipe and escape pipe are 90 ° of angles.
7. according to a kind of microtrauma puncture device described in claim 1 or 6, it is characterized in that: in sleeve shell inner chamber, be provided with air shuttle valve, this air shuttle valve comprises the inner cup portion of being made up of elastomeric material, the bottom surface of this cup is plane, these bottom surface central authorities are provided with Y-shaped seam, and the sidewall of inner cup portion is provided with three arcuate grooves that angle is relative that stitch with Y-shaped respectively.
8. a kind of microtrauma puncture device according to claim 7, is characterized in that: three finedraws of described Y-shaped seam are mutually 120 ° of angles.
9. a kind of microtrauma puncture device according to claim 7, is characterized in that: the upper end of described inner cup portion has been provided with the annular flange of interconnect function.
10. a kind of microtrauma puncture device according to claim 1, it is characterized in that: described puncture needle assembly, comprise the Separator of organizing of puncture needle tubing and puncture handle and front end, under the handle of puncture handle, be connected with puncture needle tubing, be fixed under handle and go up on handle, puncture handle central authorities are provided with through hole, under described handle, be provided with sight glass lock, sight glass is locked and is provided with two joint pins, and joint pin is stuck in the draw-in groove under handle, has at least on a joint pin and is provided with torsion spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420389361.5U CN203953763U (en) | 2014-07-15 | 2014-07-15 | A kind of microtrauma puncture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420389361.5U CN203953763U (en) | 2014-07-15 | 2014-07-15 | A kind of microtrauma puncture device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203953763U true CN203953763U (en) | 2014-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420389361.5U Withdrawn - After Issue CN203953763U (en) | 2014-07-15 | 2014-07-15 | A kind of microtrauma puncture device |
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| Country | Link |
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| CN (1) | CN203953763U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104083195A (en) * | 2014-07-15 | 2014-10-08 | 山东威瑞外科医用制品有限公司 | Minimally invasive puncture device |
| CN105615954A (en) * | 2014-11-08 | 2016-06-01 | 广州迪克医疗器械有限公司 | Puncture outfit comprising silencer |
| CN108272493A (en) * | 2018-03-12 | 2018-07-13 | 天津青松华药医药有限公司 | A kind of small-sized laparoscope puncture outfit device |
| CN109223127A (en) * | 2018-09-07 | 2019-01-18 | 天津优外医疗器材制造有限公司 | A kind of lock ring structure, sheath assembly and the puncture outfit of singlehanded unlock |
| CN109363752A (en) * | 2018-09-29 | 2019-02-22 | 江苏风和医疗器材股份有限公司 | A kind of sealing element and puncture outfit for puncture outfit |
| WO2019201044A1 (en) * | 2018-04-18 | 2019-10-24 | 微氪医疗器械南通有限公司 | Novel balloon puncture trocar |
-
2014
- 2014-07-15 CN CN201420389361.5U patent/CN203953763U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104083195A (en) * | 2014-07-15 | 2014-10-08 | 山东威瑞外科医用制品有限公司 | Minimally invasive puncture device |
| CN104083195B (en) * | 2014-07-15 | 2016-07-06 | 山东威瑞外科医用制品有限公司 | A kind of microtrauma puncture device |
| CN105615954A (en) * | 2014-11-08 | 2016-06-01 | 广州迪克医疗器械有限公司 | Puncture outfit comprising silencer |
| CN105615954B (en) * | 2014-11-08 | 2018-10-12 | 广州迪克医疗器械有限公司 | Puncture outfit containing silencing means |
| CN108272493A (en) * | 2018-03-12 | 2018-07-13 | 天津青松华药医药有限公司 | A kind of small-sized laparoscope puncture outfit device |
| CN108272493B (en) * | 2018-03-12 | 2023-09-12 | 杰尼肯(苏州)医疗器械有限公司 | Small-sized laparoscope puncture outfit device |
| WO2019201044A1 (en) * | 2018-04-18 | 2019-10-24 | 微氪医疗器械南通有限公司 | Novel balloon puncture trocar |
| CN109223127A (en) * | 2018-09-07 | 2019-01-18 | 天津优外医疗器材制造有限公司 | A kind of lock ring structure, sheath assembly and the puncture outfit of singlehanded unlock |
| CN109223127B (en) * | 2018-09-07 | 2023-11-14 | 天津优外医疗器材制造有限公司 | Single-hand unlocking lock ring structure, sleeve assembly and puncture outfit |
| CN109363752A (en) * | 2018-09-29 | 2019-02-22 | 江苏风和医疗器材股份有限公司 | A kind of sealing element and puncture outfit for puncture outfit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141126 Effective date of abandoning: 20160706 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |