CN108742794A - Sting device - Google Patents
Sting device Download PDFInfo
- Publication number
- CN108742794A CN108742794A CN201810588473.6A CN201810588473A CN108742794A CN 108742794 A CN108742794 A CN 108742794A CN 201810588473 A CN201810588473 A CN 201810588473A CN 108742794 A CN108742794 A CN 108742794A
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- China
- Prior art keywords
- outer tube
- needle
- needle guard
- suction pipe
- puncture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 230000003902 lesion Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 5
- 206010002091 Anaesthesia Diseases 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 238000001949 anaesthesia Methods 0.000 description 4
- 230000037005 anaesthesia Effects 0.000 description 4
- 239000000284 extract Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000002262 irrigation Effects 0.000 description 3
- 238000003973 irrigation Methods 0.000 description 3
- 230000002045 lasting effect Effects 0.000 description 3
- 230000004807 localization Effects 0.000 description 3
- 235000005121 Sorbus torminalis Nutrition 0.000 description 2
- 244000152100 Sorbus torminalis Species 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- NNJVILVZKWQKPM-UHFFFAOYSA-N Lidocaine Chemical compound CCN(CC)CC(=O)NC1=C(C)C=CC=C1C NNJVILVZKWQKPM-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 229960004194 lidocaine Drugs 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3415—Trocars; Puncturing needles for introducing tubes or catheters, e.g. gastrostomy tubes, drain catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3413—Needle locating or guiding means guided by ultrasound
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3454—Details of tips
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Gastroenterology & Hepatology (AREA)
- External Artificial Organs (AREA)
Abstract
The present invention provides a kind of sting devices, belong to medical thrust technical field, which includes outer tube, puncture needle and inner suction pipe;Connector is arranged in the head end of outer tube, the installing port being connected to outer tube interior lumen is arranged in the tail end of outer tube, puncture needle is detachably arranged in the tube chamber of outer tube, puncture needle includes needle core and needle guard, needle core is removably inserted into needle guard, and the tip of needle core can stretch out needle guard, and the installing port of needle guard and outer tube is detachably connected, position-limit mechanism is set between connector and needle guard, and position-limit mechanism can make needle guard and needle core head end extend out to suitable position outside outer tube;The replaceable puncture needle of inner suction pipe;The sting device is when in use, outer tube can be enable smoothly to be inserted into human body using puncture needle, it can ensure that the accuracy of the position of puncture makes human body not by additional injuries, simultaneously, puncture needle is replaced using inner suction pipe to handle human lesion position, simplification operates step, meets the minimally invasive development trend of clinical treatment, improves the safety of operation.
Description
Technical field
The present invention relates to medical thrust technical fields, and in particular to a kind of sting device.
Background technology
The double-jacket tube that existing clinical operation uses, often needs underwent operative to place to position of disease and is rinsed and treats, and for
No operation patient or can not be resistant to the patient of operation there is no it is a set of integrate puncture, placement, irrigation and drainage double-jacket tube dress
It sets.Therefore for the existing often only passive drainage of such patient, or interruption water filling irrigation and drainage is repeatedly punctured, curative effect it is also to be difficult to
It is satisfied.
Clinic puncture drainage is that Seldinger sets tube method using more method at present, and the puncture mode of the technology is
Through ultrasound or CT positioning targets penetrating area.It using lidocaine local anaesthesia and is soundd out in target area after sterile drape, after
It uses puncture needle instead and is vertically pierced into epidermis until reaching target depth (can be by positioning such as syringe extraction or ultrasound, CT), insert
Enter seal wire, after determining that seal wire has been enter into target area, exit puncture needle, is used in combination at gauze pressing puncture.It is led along seal wire insertion
Pipe (can be first inserted into for several times along seal wire with the expander of thickness same as conduit, to expand wound road, conduit be made to be easy to logical when necessary
Cross, extract expander, then conduit is inserted into along seal wire), seal wire is extracted, three-way cock and drainage bag are connected.Finally conduit is carried out
Part is fixed, disinfection.Conduit it can be drained or be administered whereby.But such conduit has no individual water inlet line and gives part
Lasting water inlet is rinsed, therefore cannot keep lasting local cleaning action, while local organization, foreign matter, sludged blood etc. also often block
Tube chamber keeps drainage effect unsatisfactory.
And the double-jacket tube for being placed in operation, the ability with continual rinsing drainage, and since it is relatively more advantageous
Placement location, therefore cleaning capacity drains more merely often more preferably clinical effectiveness.But clinically current this used
There is no the functions that independently puncture for class double-jacket tube, therefore for No operation or can not be resistant to the patient of operation, and such disadvantage limits
Its clinical application.
Also, since puncture needle in the prior art, conduit, seal wire are individual components, in piercing process, need point
Other each component of independent operation, step is complex cumbersome, also limits the application of current drainage catheter.
Invention content
The purpose of the present invention is to provide a kind of sting device, which when in use, can be made using puncture needle
Outer tube is smoothly inserted into human body, can ensure the accuracy of the position of puncture, while making human body not by additional injuries, meanwhile,
Puncture needle is replaced using inner suction pipe to handle human lesion position, simplification operates step, improves the safety of operation.
Based on above-mentioned purpose, sting device provided by the invention, including outer tube, puncture needle and inner suction pipe;
Connector is arranged in the head end of the outer tube, and the connector imports human body, the housing using hard material
The installing port being connected to the outer tube interior lumen is arranged in the tail end of pipe, and the installing port is located at the central shaft of the outer tube
On line, at least one attraction being connected to the outer tube interior lumen is arranged close to the tube wall of joint location in the outer tube
Hole;
The puncture needle is detachably arranged in the tube chamber of outer tube, and the puncture needle includes needle core and needle guard, and needle core can
It being releasably inserted into needle guard, and the tip of needle core can stretch out needle guard, the installing port of needle guard and outer tube is detachably connected,
Position-limit mechanism is set between the connector and the needle guard, and the position-limit mechanism can be such that needle guard and needle core head end stretches
Go out to suitable position outside outer tube;
Alternatively the puncture needle, the inner suction pipe are detachably arranged in the tube chamber of the outer tube inner suction pipe.
Further, the position-limit mechanism includes the limiting section being arranged on the connector, and is arranged in puncture needle
For needle guard close to the protrusion of front position, the limiting section can be to the protrusion limit.
Further, the head end of the front end of the needle guard and the outer tube is disposed as back taper, in order to lead
Enter human body.
Further, the needle core tail end of the puncture needle is threaded set, and the needle guard tail end outer wall is threaded, described
Needle core can be connect with the needle guard by thread bush, and the tip in order to adjust the needle core stretches out in the length of the needle guard
Degree.
Further, the installing port of the needle guard and the outer tube uses thread connecting mode.
Further, the tail end setting air inlet of the outer tube and water inlet, air inlet are connected with the tube chamber of outer tube
It is logical;
The tube wall of outer tube is arranged at least one water inlet line along its length, the entrance of the water inlet line with it is described
The water inlet of outer tube is connected to, and the outlet of the water inlet line is connected to suction hole;
The tube wall of the jacket pipelines also sets up at least one admission line, the entrance of the admission line along its length
It is connected to the air inlet of the outer tube, the outlet of the admission line is connected to other suction hole.
Further, the outer tube uses hose.
Further, side suction hole is arranged in the tube wall of the head end of the inner suction pipe.
Further, the tube wall of the inner suction pipe tail end is used with the installing port of outer tube and is threadedly coupled, in order to adjust
Intraluminal built-in length of the inner suction pipe in the outer tube.
Further, the tail end of the inner suction pipe is used to connect negative pressure equipment by pipeline.
Using above-mentioned technical proposal, which has had the advantage that:
1, the connector of the head end of outer tube uses property material, plays guiding role, convenient for being swimmingly inserted into human body.
2, it is detachably connected using puncture needle and outer tube, is convenient for the installation and removal of puncture needle and outer tube.
3, the position-limit mechanism being arranged between the needle guard of puncture needle and the connector of outer tube, convenient for stretching out in for control puncture needle
The length of outer tube.
4, the replaceable puncture needle of inner suction pipe handles human lesion position, and simplification operates step, improves operation
Safety.Also, when in use due to the sting device, outer tube is inserted in human body always, can ensure the position of puncture
The accuracy set is that human body is injury-free.
5. can carry out Non-operation departments operation using the present apparatus, seal wire guiding attracts abundant.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is that sting device provided in an embodiment of the present invention (outer tube and is worn in the structural schematic diagram of the first use state
Pricker coordinates);
Fig. 2 is the partial enlarged view at I in Fig. 1.
Fig. 3 is the structural schematic diagram of outer tube;
Fig. 4 be sting device provided in an embodiment of the present invention second of use state structural schematic diagram (outer tube and
Tubes fit).
Reference numeral:100- outer tubes;101- tube chambers;102- connectors;103- installing ports;104- suction holes;105- air inlets
Mouthful;106- water inlets;107- water inlet lines;108- admission lines;200- puncture needles;201- needle cores;202- needle guards;203- screw threads
Set;300- inner suction pipes;The sides 301- suction hole;400- position-limit mechanisms;401- limiting sections;402- protrusions;500- negative pressure equipments.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
Can also be electrical connection to be mechanical connection;It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Fig. 1 to Fig. 4 is please referred to, a kind of sting device provided in the present embodiment, including:Outer tube 100, puncture needle 200
With inner suction pipe 300.
Outer tube 100 uses hose, the head end of outer tube 100 to be set as back taper, plays guiding role, reduces resistance,
Convenient for can swimmingly be inserted into human body.
The inside of outer tube 100 is arranged to accommodate the tube chamber 101 of puncture needle 200 or inner suction pipe 300.
Connector 102 is arranged in the head end of outer tube 100, and connector 102 uses hard material, meanwhile, the front end setting of connector 102
It is identical as the effect of the head end of outer tube 100 for back taper, guiding role is played, reduces resistance, convenient for can swimmingly insert
Enter in human body.When specific setting, the shape of the inverted cone-shaped structure and the back taper of connector 102 of the head end of outer tube 100 matches,
So that the two smooth-sided transition, reduces resistance, convenient for importing inside of human body.
Installing port 103 is arranged in the tail end of outer tube 100, and installing port 103 is located on the central axis of outer tube 100, installs
Mouth 103 is connected to the tube chamber 101 inside outer tube 100, tube wall circumferentially disposed multiple attractions of the outer tube 100 close to head-end location
Hole 104;
The tail end of outer tube 100 also sets up air inlet 105 and water inlet 106, and air inlet 105 and water inlet 106 are set respectively
It sets on the tube wall of outer tube 100, air inlet 105 is connected with the tube chamber 101 of outer tube 100;
Water inlet line 107 is arranged in the tube wall of outer tube 100 along its length, which is arranged at least one,
The entrance of the water inlet line 107 is connected to the water inlet 106 of outer tube 100, and the outlet of water inlet line 107 is connected to suction hole 104.
In the present embodiment, two water inlet lines 107 are preferably provided with, it can be to avoid the blocking shape generated using a water inlet line 107
Condition.
The tube wall of outer tube 100 also sets up admission line 108 along its length, which is arranged at least
One, the entrance of the admission line 108 is connected to the air inlet 105 of outer tube 100, the outlet of admission line 108 and another
Suction hole 104 is connected to.
Puncture needle 200 is detachably arranged in 100 interior lumen 101 of outer tube.The two uses detachable connection,
After being punctured to human body corresponding site, puncture needle 200 easy to disassemble, then in the tube chamber of outer tube 100 install inner suction pipe 300 into
Row subsequent operation.
The puncture needle 200 includes needle core 201 and needle guard 202, and needle core 201 is removably inserted into needle guard 202, and needle
The tip of core 201 can stretch out needle guard 202, and needle guard 202 and the installing port 103 of outer tube 100 are detachably connected.
Position-limit mechanism 400 is set between connector 102 and the needle guard 202 of puncture needle 200, which can make needle
Set 202 and 201 head end of needle core extend out to 100 outside suitable position of outer tube, consequently facilitating being punctured to human body.
The front end of needle guard 202 is set as back taper, facilitates insertion into human body.The front end of needle guard 202 and outer tube 100
The inverted cone-shaped structure of head end, the back taper of connector 102 shape match, equally facilitate insertion into human body.
Please refer to Fig. 4, in a preferred embodiment, above-mentioned position-limit mechanism 400 includes that setting is provided on connector 102
Limiting section 401, and the needle guard 202 in puncture needle 200 is set close to the protrusion 402 of front position, limiting section 401 can be to convex
402 limits are played, so that needle guard 202 and 201 head end of needle core extend out to 100 outside suitable position of outer tube.
Please refer to Fig. 1, in a preferred embodiment, 201 tail end of needle core of the puncture needle 200 is threaded set 203, needle guard
202 tail end outer walls are threaded, so that needle core 201 is connected through a screw thread with needle guard 202, in addition, passing through the thread connecting mode
The tip for adjusting needle core 201 can also be facilitated to stretch out the length of needle guard 202,203 outer surface of thread bush also sets up anti-skid chequer.
In one preferred embodiment, needle guard 202 and the installing port 103 of outer tube 100 are detachable using thread connecting mode
Connection, can not only be convenient for changing puncture needle 200, additionally it is possible to so that puncture needle 200 is fixed to each other with outer tube 100, be convenient for
It punctures in human body.
Please refer to Fig. 4, in a preferred embodiment, side suction hole 301 is arranged in the side wall of the head end of inner suction pipe 300, specifically
When implementation, which is provided with multiple, is evenly distributed on the circumferential direction of the side wall of inner suction pipe 300.
In one preferred embodiment, spiral shell is used close to the tube wall of 300 tail end of inner suction pipe and the installing port 103 of outer tube 100
Line connect, so that the two is mutually fixed, meanwhile, it is capable to adjust inner suction pipe 300 outer tube 100 intraluminal built-in length.
The tail end of the inner suction pipe 300 is used to connect negative pressure equipment 500 by pipeline.
Illustrate the application method of sting device provided by the invention below:
Method one:Suitable for site of puncture dissection, clear (such as seroperitoneum amount is big, and the interference of the institutional frameworks such as no intestinal tube is worn
Pierce path etc.), the low patient of puncture risks.
1, puncture needle 200 is installed in outer tube 100, the installing port of the needle guard 202 and outer tube 100 of puncture needle 200
103 are screwed connection, and needle core 201 is screwed with needle guard 202 and is connect, limited 202 position of needle guard using connector 102
Position makes the front end of the tip of needle core 201, the front end of needle guard 202, the front end of connector 102, outer tube 100 form a back taper
Structure.
2. the best site of puncture of localization by ultrasonic and paracentesis depth, are used in combination marked.It sterilizes, 2% benefit is used after drape
Cacaine local anaesthesia.It is used in combination blade to cut sizeable " ten " font notch at label point of puncture.
3. operating the corresponding site that the sting device protrudes into portion into the human body, the position of outer tube 100 is constant, takes out
The needle core 201 of puncture needle 200 in outer tube 100 connects syringe in 202 tail end of needle guard and extracts judgement puncture effect.
4. after choosing proper site and depth, pulling out the needle guard 202 of puncture needle 200, marking 100 depth of outer tube and disappearing
Poison is fixed.
5. inner suction pipe 300 is extend into outer tube 100, liquid is inputted to 100 water inlet 106 of outer tube, liquid is successively
It is expelled to human body corresponding site by water inlet line 107, suction hole, which is handled, is then started and inner suction pipe 300
The negative pressure equipment 500 of connection makes the outer tube 100 for extending into human body and inner suction pipe 300 generate negative pressure, utilizes outer tube
100 and the suction hole of inner suction pipe 300 liquid of human body is drawn, while ambient atmos are by 100 air inlet of outer tube
105 and the tube chamber of admission line 108 and outer tube 100 enter the head end working region of outer tube 100, and by inner suction pipe 300
It draws, ensures the moderate without being damaged to human body of the suction force of inner suction pipe 300.
Method two:Higher suitable for puncture risks, local tissue structures are complicated, need the patient of more accurate operation.
It is connect 1. the needle guard 202 of puncture needle 200 is screwed with the installing port 103 of outer tube 100, makes needle guard 202
Front end, the front end of connector 102, outer tube 100 front end formed an inverted trapezoidal structure (i.e. without 201 structure of needle core).
2. the best site of puncture of localization by ultrasonic and paracentesis depth, are used in combination marked.It sterilizes, 2% benefit is used after drape
Cacaine local anaesthesia.
3. being placed in seal wire using Seldinger puncture methods, size is cut at point of puncture skin along seal wire using blade and closed
Suitable " ten " font notch.
4. using the sting device without needle core 201 in step 1, pipeline of the seal wire in needle guard 202 is set to pass through, while making whole
A sting device enters human body target position along seal wire and reaches target depth.Seal wire is pulled out after reaching target depth, in needle guard
202 tail ends, which connect syringe and extract, to be judged to puncture effect.After reaching ideal effect, 200 needle guard 202 of puncture needle is pulled out.Mark housing
100 depth of pipe is simultaneously sterilized, is fixed.
5. inner suction pipe 300 is extend into outer tube 100, liquid is inputted to 100 water inlet 106 of outer tube, liquid is successively
It is expelled to human body corresponding site by water inlet line 107, suction hole, which is handled, is then started and inner suction pipe 300
The negative pressure equipment 500 of connection makes the outer tube 100 for extending into human body and inner suction pipe 300 generate negative pressure, utilizes outer tube
100 and the suction hole of inner suction pipe 300 liquid of human body is drawn, while ambient atmos are by 100 air inlet of outer tube
105 and the tube chamber of admission line 108 and outer tube 100 enter the head end working region of outer tube 100, and by inner suction pipe 300
It draws, ensures the moderate without being damaged to human body of the suction force of inner suction pipe 300.
Method three:Suitable for needing the patient of lasting seal wire guiding after the puncture of method one.
1. puncture needle 200 is installed in outer tube 100, the installing port of the needle guard 202 and outer tube 100 of puncture needle 200
103 are screwed connection, and needle core 201 is screwed with needle guard 202 and is connect, limited 202 position of needle guard using connector 102
Position makes the front end of the point of needle core 201, the front end of needle guard 202, the front end of connector 102, outer tube 100 form a back taper
Shape structure.
2. the best site of puncture of localization by ultrasonic and paracentesis depth, are used in combination marked.It sterilizes, 2% benefit is used after drape
Cacaine local anaesthesia.It is used in combination blade to cut sizeable " ten " font notch at label point of puncture.
3. operate the sting device protrude into the human body portion with respect to table superficial part position.The position of outer tube 100 is not later
Become, take out the needle core 201 of the puncture needle 200 in outer tube 100, is inserted into seal wire along 200 needle guard of puncture needle, 202 interior conduit, will lead
Silk continues to stretch into human body, to be oriented to outer tube 100, then manipulates outer tube 100 and 200 needle guard 202 of puncture needle
It is stretched to after corresponding site along seal wire and stops stretching into;
4, the position of outer tube 100 is constant, takes out seal wire, and connecing syringe in 202 tail end of needle guard extracts judgement puncture effect.
After reaching ideal effect, the needle guard 202 of puncture needle 200 is taken out, mark 100 depth of outer tube and sterilizes, fix.
5, inner suction pipe 300 is extend into outer tube 100, inputs liquid to 100 water inlet 106 of outer tube, liquid is successively
It is expelled to human body corresponding site by water inlet line 107, suction hole, which is handled, is then started and inner suction pipe 300
The negative pressure equipment 500 of connection makes the outer tube 100 for extending into human body and inner suction pipe 300 generate negative pressure, utilizes outer tube
100 and the suction hole of inner suction pipe 300 liquid of human body is drawn, while ambient atmos are by 100 inlet port of outer tube
Enter the front end working region of outer tube 100 with the tube chamber of admission line 108 and outer tube 100, and is inhaled by inner suction pipe 300
It takes, ensures the moderate without being damaged to human body of suction force.
The sting device has had the advantage that:
1, the head end of outer tube 100 is set as back taper, plays guiding role, reduces resistance, convenient for can swimmingly insert
Enter in human body.
2, it is detachably connected using puncture needle 200 and outer tube 100, is convenient for the installation and removal of puncture needle 200;
3, the needle guard 202 of puncture needle 200 is clamped with connector 102 using position-limit mechanism 400, convenient for control puncture needle 200
The length of outer tube 100 is stretched out in, in addition, 201 tail end of needle core of the puncture needle 200 passes through thread bush 203 and 202 tail end of needle guard
Connection, so that the two can be fixed when puncturing, meanwhile, it is also convenient for adjusting the length that needle guard 202 is stretched out at 201 tip of needle core.Spiral shell
Line covers 203 outer surfaces and also sets up anti-skid chequer, is convenient for manual control;
Needle guard 202 and the installing port 103 of outer tube 100 are detachably connected using thread connecting mode, can not only be facilitated
Replace puncture needle 200, additionally it is possible to so that puncture needle 200 is fixed to each other with outer tube 100, be convenient for puncturing in human body.
4,300 replaceable puncture needle 200 of inner suction pipe, the installation of the tube wall and outer tube 100 by caudal part of inner suction pipe 300
Mouth 103 is using being threadedly coupled, so that the two is mutually fixed, meanwhile, it is capable to adjust inner suction pipe 300 in the intraluminal of outer tube 100
Built-in length.
5, the sting device is when in use, easy to operate, and outer tube 100 is inserted into human body always, can ensure puncture
The accuracy of position makes human body not by additional injuries.
6. Non-operation departments operation can be carried out using the sting device, guided using seal wire, punctures and prepare, irrigation and drainage
Fully.
Finally it should be noted that:The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that:Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement;And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of sting device, which is characterized in that including:Outer tube, puncture needle and inner suction pipe;
Connector is arranged in the head end of the outer tube, and the connector uses hard material in order to import human body, the outer tube
The installing port being connected to the outer tube interior lumen is arranged in tail end, and the installing port is located at the central axis of the outer tube
On, at least one suction hole being connected to the outer tube interior lumen is arranged close to the tube wall of joint location in the outer tube;
The puncture needle is detachably arranged in the tube chamber of outer tube, and the puncture needle includes needle core and needle guard, and needle core is detachable
Ground is inserted into needle guard, and the tip of needle core can stretch out needle guard, and the installing port of needle guard and outer tube is detachably connected,
Position-limit mechanism is set between the connector and the needle guard, and the position-limit mechanism can be such that needle guard and needle core head end extend out to
Suitable position outside outer tube;
Alternatively the puncture needle, the inner suction pipe are detachably arranged in the tube chamber of the outer tube inner suction pipe.
2. sting device according to claim 1, which is characterized in that the position-limit mechanism includes being arranged on the connector
Limiting section, and protrusion of the needle guard in puncture needle close to front position is set, the limiting section can limit the protrusion
Position.
3. sting device according to claim 1, which is characterized in that the front end of the needle guard and the outer tube
Head end is disposed as back taper, in order to import human body.
4. sting device according to claim 1, which is characterized in that the needle core tail end of the puncture needle is threaded set,
The needle guard tail end outer wall is threaded, and the needle core can be connect with the needle guard by thread bush, described in order to adjust
The tip of needle core stretches out in the length of the needle guard.
5. sting device according to claim 1, which is characterized in that the installing port of the needle guard and the outer tube uses
Thread connecting mode.
6. sting device according to claim 1, which is characterized in that the tail end setting air inlet of the outer tube and water inlet
Mouthful, air inlet is connected with the tube chamber of outer tube;
At least one water inlet line, the entrance of the water inlet line and the housing is arranged in the tube wall of outer tube along its length
The water inlet of pipe is connected to, and the outlet of the water inlet line is connected to suction hole;
The tube wall of the jacket pipelines also sets up at least one admission line, the entrance of the admission line and institute along its length
The air inlet connection of outer tube is stated, the outlet of the admission line is connected to other suction hole.
7. sting device according to claim 1, which is characterized in that the outer tube uses hose.
8. sting device according to claim 1, which is characterized in that the tube wall setting side of the head end of the inner suction pipe attracts
Hole.
9. sting device according to claim 1, which is characterized in that the peace of the tube wall and outer tube of the inner suction pipe tail end
Fill mouth using be threadedly coupled, in order to adjust the inner suction pipe the outer tube intraluminal built-in length.
10. sting device according to claim 1, which is characterized in that the tail end of the inner suction pipe is used to connect by pipeline
Connect negative pressure equipment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810588473.6A CN108742794A (en) | 2018-06-08 | 2018-06-08 | Sting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810588473.6A CN108742794A (en) | 2018-06-08 | 2018-06-08 | Sting device |
Publications (1)
Publication Number | Publication Date |
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CN108742794A true CN108742794A (en) | 2018-11-06 |
Family
ID=63999727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810588473.6A Pending CN108742794A (en) | 2018-06-08 | 2018-06-08 | Sting device |
Country Status (1)
Country | Link |
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CN (1) | CN108742794A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109431619A (en) * | 2018-12-10 | 2019-03-08 | 邱建星 | Marking apparatus in operation |
CN115363711A (en) * | 2022-08-22 | 2022-11-22 | 上海玮启医疗器械有限公司 | Interatrial septum puncture needle with adjustable needle tip extension length |
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CN205885465U (en) * | 2016-05-13 | 2017-01-18 | 中国人民解放军第三〇七医院 | Bone tissue aspiration biopsy needle |
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US20070112302A1 (en) * | 2005-11-17 | 2007-05-17 | Yu Chun H | Easy drainage catheter assembly |
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CN102475937A (en) * | 2010-11-25 | 2012-05-30 | 董元航 | Puncture type double-sleeve drainage tube |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN109431619A (en) * | 2018-12-10 | 2019-03-08 | 邱建星 | Marking apparatus in operation |
CN115363711A (en) * | 2022-08-22 | 2022-11-22 | 上海玮启医疗器械有限公司 | Interatrial septum puncture needle with adjustable needle tip extension length |
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