CN208426184U - A kind of automatic air-holding type piercing assembly - Google Patents
A kind of automatic air-holding type piercing assembly Download PDFInfo
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- CN208426184U CN208426184U CN201721399569.5U CN201721399569U CN208426184U CN 208426184 U CN208426184 U CN 208426184U CN 201721399569 U CN201721399569 U CN 201721399569U CN 208426184 U CN208426184 U CN 208426184U
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- China
- Prior art keywords
- puncture needle
- plug
- seal
- holding type
- piercing assembly
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Abstract
A kind of automatic air-holding type piercing assembly, it is provided with puncture needle, the end of puncture needle is equipped with seal cap, the outer cover of puncture needle is equipped with casing, and the end of casing detachable is equipped with seal assembly, the outer wall of casing is equipped with cuff, and cuff is connected to the gas ducting that sleeve side walls open up, casing is also equipped with charge valve, and charge valve is also connected to gas ducting, seal assembly includes shell, housing cavity is respectively equipped with back-end sealing plug, fixed plug and forward end seal plug, fixed plug is fixedly connected with forward end seal plug and back-end sealing plug, and forward end seal plug and back-end sealing plug are respectively equipped with the outside wall surface for being assemblied in puncture needle.Can be stable stand at puncturing hole, meanwhile, by the seal assembly that can be closed automatically, can directly choose puncture needle, and not will cause gas leakage, more convenient to use, while will not influence probeing into for other detection devices.
Description
Technical field
The utility model relates to technical field of medical equipment, more particularly to a kind of automatic air-holding type piercing assembly.
Background technique
Puncture outfit for various micro-wound surgical operations can be used, punctured in laparoscopic surgery for specialist abdominal cavity,
To intraperitoneal conveying gas, and establish use when endoscope and surgical instrument pass in and out the channel in abdominal cavity from the external world.Including outer
The endoscope-assistant surgeries such as section's Minimally Invasive Surgery, gynaecology's Minimally Invasive Surgery, thoracic surgery, Urology Surgery.
In the course of surgery due to puncture outfit, it needs to choose out puncture needle, if puncture outfit is used alone and directly chooses
It when puncture needle, is influenced by gas pressure intensity, be easy to cause gas leakage, meanwhile, the fixed effect of common puncture needle is bad, leads to syringe needle
Run-off the straight operates relative complex.
Therefore, in view of the shortcomings of the prior art, providing a kind of automatic air-holding type piercing assembly to solve prior art deficiency very
For necessity.
Utility model content
The purpose of this utility model is that providing a kind of automatic air-holding type puncture group in place of avoiding the deficiencies in the prior art
Part, the automatic air-holding type piercing assembly, can be stable stand at puncturing hole, meanwhile, pass through the sealing that can be closed automatically
Component, can directly choose puncture needle, and not will cause gas leakage, more convenient to use, while will not influence other detection devices
It probes into.
The above-mentioned purpose of the utility model is realized by following technological means.
A kind of automatic air-holding type piercing assembly is provided, puncture needle is provided with, the end of the puncture needle is equipped with seal cap,
The outer cover of puncture needle be equipped with casing, and casing end it is detachable be equipped with seal assembly, the outer wall of described sleeve pipe is equipped with
Cuff, and cuff is connected to the gas ducting that sleeve side walls open up, casing is also equipped with charge valve, and charge valve is also connected to inflation
Pipeline.
Specifically, the seal assembly includes shell, and the housing cavity is respectively equipped with back-end sealing plug, fixed plug
With forward end seal plug, the fixed plug is fixedly connected with forward end seal plug and back-end sealing plug, and forward end seal plug and back-end sealing
Plug is respectively equipped with the outside wall surface for being assemblied in puncture needle.
Preferably, the forward end seal plug includes multiple petaloid diaphragm seals for being held on puncture needle outside wall surface, and diaphragm seal
Between there are gaps.
Specifically, the back-end sealing plug is that porose rubber membrane or pellosil are opened in middle part.
Further, the housing bottom is equipped with air shuttle valve, and the side wall surface of the air shuttle valve is offered through its inner cavity
Two adjustment holes, the exhaust end of one of adjustment hole connection housing bottom setting, another adjustment hole connected by choke air duct
Pass to puncture pin inner chamber.
Further, the choke air duct is divided into first stage air duct and second stage air duct, the first stage air duct
The first cavity formed by the outer wall of the outer casing inner wall and the forward end seal plug, and second stage air duct is by the puncture needle
Outer wall and described sleeve pipe the second cavity for being formed of inside, the puncture needle side wall offers venthole, first cavity,
The inner cavity of second cavity and the puncture needle is interconnected.
Preferably, described sleeve pipe outer wall also fixing assembling has the fixed plug of silica gel.
Further, the movable end of the diaphragm seal passes through interference fit airtight connection.
Specifically, the diaphragm seal closure is tapered.
Preferably, the syringe needle of the puncture needle is in the shape of a spiral.
The utility model can be stable stand at puncturing hole, meanwhile, can by the seal assembly that can be closed automatically
Direct puncture needle of choosing, and not will cause gas leakage, it is more convenient to use, while will not influence probeing into for other detection devices.
Detailed description of the invention
The utility model is further described using attached drawing, but the content in attached drawing is not constituted to the utility model
Any restrictions.
Fig. 1 is a kind of structural schematic diagram of automatic air-holding type piercing assembly of the utility model.
Fig. 2 is the cross-sectional view of Fig. 1.
Fig. 3 is the structural schematic diagram of forward end seal plug closed state in Fig. 2.
Fig. 4 is the structural schematic diagram of forward end seal plug open configuration in Fig. 2.
Fig. 5 is the structural schematic diagram of back-end sealing plug closed state in Fig. 2.
Fig. 6 is the structural schematic diagram of back-end sealing plug open configuration in Fig. 2.
In from Fig. 1 to Fig. 6, comprising:
1, puncture needle；
11, venthole；
2, seal cap；
3, casing；
4, seal assembly；
41, shell, 42, back-end sealing plug, 43, fixed plug, 44, forward end seal plug, 45, choke air duct, 46, air shuttle valve；
441, diaphragm seal；
451, first stage air duct, 452, second stage air duct；
5, cuff；
6, gas ducting；
7, charge valve；
8, the fixed plug of silica gel.
Specific embodiment
The utility model is further described with the following Examples.
Embodiment 1.
As shown in figures 1 to 6, a kind of automatic air-holding type piercing assembly, is provided with puncture needle 1, and the end of puncture needle 1 is equipped with
Seal cap 2, seal cap 2 are integrally formed with 1 end of puncture needle or detachably assemble.
Seal cap 2 increases frictional force convenient for puncture needle 1 of choosing, meanwhile, when choosing, seal cap 2 is pulled out together with puncture needle 1
Out.
The outer cover of puncture needle 1 is equipped with casing 3, and the end of casing 3 detachable is equipped with seal assembly 4, sealing group
Part 4 automatically can close 3 inner cavity of casing after puncture needle 1 is chosen.
The outer wall of casing 3 is equipped with cuff 5, and cuff 5 is connected to the gas ducting 6 that 3 side wall of casing opens up, and casing 3 also fills
Equipped with charge valve 7, and charge valve 7 is also connected to gas ducting 6.
Cuff 5 for carrying out fixed function after piercing assembly insertion lesions position, by charge valve 7 to cuff 5 inside
It is inflated, piercing assembly can be fixed on skin surface, to avoid and rock.
Meanwhile 3 outer wall of casing also fixing assembling has the fixed plug 843 of silica gel, the fixed plug 843 of silica gel can support and table in skin
Face prevents piercing assembly from falling off.
Seal assembly 4 includes shell 41, and 41 inner cavity of shell is respectively equipped with back-end sealing plug 42, fixed plug 43 and forward end seal
Plug 44, fixed plug 43 are fixedly connected with forward end seal plug 44 and back-end sealing plug 42, and forward end seal plug 44 and back-end sealing plug 42
It is respectively equipped with the outside wall surface for being assemblied in puncture needle 1.
Forward end seal plug 44 include multiple petaloid diaphragm seals 441 for being held on 1 outside wall surface of puncture needle, and diaphragm seal 441 it
Between there are gaps.
Diaphragm seal 441 has elastic force, and side wall is arc, and in the case where not stressing, the front end for forming a taper is close
Blocking 44, and the movable end of diaphragm seal 441 is closed state.
Back-end sealing plug 42 is that porose rubber membrane or pellosil are opened in middle part.
Back-end sealing plug 42 is due to stronger elastic force, in the case where not stressing, can approximation see as one it is non-porous
Sealing film.
When being inserted with puncture needle 1 in casing 3, puncture needle 1 struts forward end seal plug 44 and back-end sealing plug 42, makes diaphragm seal
441 and sealing film fit closely in the outside wall surface of puncture needle 1.
When choose out puncture needle 1 after, forward end seal plug 44 and back-end sealing plug 42 can 3 internal chamber of self-closed casing,
Anti- Hemostatic Oral Liquid splashes.
Puncture needle 1 can adhere to blood, in order to avoid cross-infection, by piercing assembly due to being passed to inside of human body after operation
It is designed as Bullet structure.
The movable end of diaphragm seal 441 can be enhanced between diaphragm seal 441 by interference fit airtight connection, interference fit
Leakproofness.
Diaphragm seal 441 is closed tapered, and the tip of taper is identical as puncture needle 1 direction, convenient for inserting for puncture needle 1
Enter.
In the shape of a spiral, the blade of syringe needle is curve to the syringe needle of puncture needle 1, and the side wall surface of syringe needle offers and puncture needle 1
The drainage hole of inside connection.
The utility model can be stable stand at puncturing hole, meanwhile, by the seal assembly 4 that can be closed automatically,
Can directly be chosen puncture needle 1, and not will cause gas leakage, more convenient to use, while will not influence probeing into for other detection devices.
Embodiment 2.
A kind of automatic air-holding type piercing assembly, other feature is same as Example 1, the difference is that: as shown in Fig. 2,
The embodiment is for the ease of being discharged internal pneumatosis or hydrops, on the basis of embodiment 1, provides a kind of convenient for discharge puncture needle
The technical solution of 1 internal gas.
41 bottom of shell is provided with the structure of similar handle, and convenient for assembly air shuttle valve 46, air shuttle valve 46 is connected in shell 41
Bottom, and air shuttle valve 46 can carry out rotation adjusting inside shell 41.
The side wall surface of air shuttle valve 46 offers two adjustment holes through its inner cavity, and one of adjustment hole is connected to shell 41
The exhaust end of bottom setting, another adjustment hole are connected to 1 inner cavity of puncture needle by choke air duct 45.
When two adjustment holes are all connected to maximum ventilation face with exhaust end and choke air duct 45 respectively, deflation rate at this time
It is most fast.
Air shuttle valve 46 is rotated, reduces the breathing area of two adjustment hole, and then reach regulating gas rate of discharge
Effect, final gas are discharged from the exhaust end of 41 bottom of shell.
Choke air duct 45 is divided for first stage air duct 451 and second stage air duct 452, and the first stage, air duct 451 was by shell
The first cavity that the outer wall of inner wall and forward end seal plug 44 is formed, and second stage air duct 452 is by the outer wall and casing of puncture needle 1
The second cavity that 3 inside is formed, 1 side wall of puncture needle offer venthole 11, the first cavity, the second cavity and puncture needle 1
Inner cavity is interconnected.
It should be noted that choke air duct 45 is for 1 inner cavity of connecting puncture needle and air shuttle valve 46, when air shuttle valve 46 closes
It closes, and when puncture needle 1 is chosen out, 1 inner cavity of puncture needle is air-tight state, by opening or rotating air shuttle valve 46, in puncture needle 1
Portion's gas is discharged and is adjusted, and practicability is stronger.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model rather than to this is practical
The limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, the common skill of this field
Art personnel should be appreciated that can be practical without departing from this with the technical solution of the present invention is modified or equivalently replaced
The spirit and scope of new technique scheme.
Claims (10)
1. a kind of automatic air-holding type piercing assembly, it is characterised in that: be provided with puncture needle, the end of the puncture needle is equipped with close
Sealing cap, the outer cover of puncture needle are equipped with casing, and the end of casing detachable is equipped with seal assembly, the outer wall of described sleeve pipe
Equipped with cuff, and cuff is connected to the gas ducting that sleeve side walls open up, and casing is also equipped with charge valve, and charge valve is also connected to
Gas ducting.
2. a kind of automatic air-holding type piercing assembly according to claim 1, it is characterised in that: the seal assembly includes shell
Body, the housing cavity are respectively equipped with back-end sealing plug, fixed plug and forward end seal plug, and it is close that the fixed plug is fixedly connected with front end
Blocking and back-end sealing plug, and forward end seal plug and back-end sealing plug are respectively equipped with the outside wall surface for being assemblied in puncture needle.
3. a kind of automatic air-holding type piercing assembly according to claim 2, it is characterised in that: the forward end seal plug includes
Multiple petaloid diaphragm seals for being held on puncture needle outside wall surface, and there are gaps between diaphragm seal.
4. a kind of automatic air-holding type piercing assembly according to claim 2, it is characterised in that: during the back-end sealing plug is
Open porose rubber membrane or pellosil in portion.
5. a kind of automatic air-holding type piercing assembly according to claim 2-4 any one, it is characterised in that: the shell
Bottom is equipped with air shuttle valve, and the side wall surface of the air shuttle valve offers two adjustment holes through its inner cavity, one of to adjust
Hole is connected to the exhaust end of housing bottom setting, and another adjustment hole is connected to puncture pin inner chamber by choke air duct.
6. a kind of automatic air-holding type piercing assembly according to claim 5, it is characterised in that: the choke air duct is divided into
One stage air duct and second stage air duct, the first stage air duct by the inner walls and the forward end seal plug outer wall
The first cavity formed, and second stage air duct second is led to by the outer wall of the puncture needle and the inside of described sleeve pipe are formed
Chamber, the puncture needle side wall offer venthole, and the inner cavity of first cavity, second cavity and the puncture needle is mutual
Connection.
7. a kind of automatic air-holding type piercing assembly according to claim 6, it is characterised in that: described sleeve pipe outer wall is also fixed
It is equipped with the fixed plug of silica gel.
8. a kind of automatic air-holding type piercing assembly according to claim 3, it is characterised in that: the movable end of the diaphragm seal
By being interference fitted airtight connection.
9. a kind of automatic air-holding type piercing assembly according to claim 8, it is characterised in that: the diaphragm seal closure is in cone
Shape.
10. a kind of automatic air-holding type piercing assembly according to claim 7, it is characterised in that: the syringe needle of the puncture needle
In the shape of a spiral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721399569.5U CN208426184U (en) | 2017-10-26 | 2017-10-26 | A kind of automatic air-holding type piercing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721399569.5U CN208426184U (en) | 2017-10-26 | 2017-10-26 | A kind of automatic air-holding type piercing assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208426184U true CN208426184U (en) | 2019-01-25 |
Family
ID=65104460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721399569.5U Active CN208426184U (en) | 2017-10-26 | 2017-10-26 | A kind of automatic air-holding type piercing assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208426184U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110495976A (en) * | 2019-08-16 | 2019-11-26 | 四川大学华西医院 | It is a kind of to prevent the narrow instrument of the postoperative esophageal lumen of ESD |
-
2017
- 2017-10-26 CN CN201721399569.5U patent/CN208426184U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110495976A (en) * | 2019-08-16 | 2019-11-26 | 四川大学华西医院 | It is a kind of to prevent the narrow instrument of the postoperative esophageal lumen of ESD |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210302 Granted publication date: 20190125 |
|
| PP01 | Preservation of patent right |