CN208989063U - Sting device - Google Patents

Sting device Download PDF

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Publication number
CN208989063U
CN208989063U CN201820895378.6U CN201820895378U CN208989063U CN 208989063 U CN208989063 U CN 208989063U CN 201820895378 U CN201820895378 U CN 201820895378U CN 208989063 U CN208989063 U CN 208989063U
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CN
China
Prior art keywords
outer tube
needle
needle guard
suction pipe
puncture
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Expired - Fee Related
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CN201820895378.6U
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Chinese (zh)
Inventor
李金海
谢欣
李朝阳
李鹏飞
韩涛
万里红
刘云
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Individual
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Individual
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Publication date
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Priority to CN201820895378.6U priority Critical patent/CN208989063U/en
Application granted granted Critical
Publication of CN208989063U publication Critical patent/CN208989063U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of sting device, belongs 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 lumen 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, inner suction pipe replaceable puncture needle are set between connector and needle guard;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, human lesion position is handled using inner suction pipe replacement puncture needle, simplification operates step, meets the minimally invasive development trend of clinical treatment, improves the safety of operation.

Description

Sting device
Technical field
The utility model relates to medical thrust technical fields, and in particular to a kind of sting device.
Background technique
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 often only passive drainage existing for 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 Target penetrating area is positioned through ultrasound or CT.It using lidocaine local anaesthesia and is soundd out after sterile drape in target area, 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 entered target area, exits puncture needle, and 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 when necessary, to expand wound road, conduit be made to be easy to logical Cross, extract expander, then be inserted into conduit 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 the also often blocking such as local organization, foreign matter, sludged blood Lumen 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 puncture process, need point Other each component of independent operation, step is complex cumbersome, also limits the application of current drainage catheter.
Utility model content
The purpose of this utility model is to provide a kind of sting device, which when in use, can using puncture needle So that outer tube is smoothly inserted into human body, the accuracy of the position of puncture can be ensured, while make human body not by additional injuries, together When, human lesion position is handled using inner suction pipe replacement puncture needle, simplification operates step, improves the safety of operation Property.
Based on above-mentioned purpose, sting device provided by the utility model, 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 axis 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 lumen 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 Out to suitable position outside outer tube;
Alternatively the puncture needle, the inner suction pipe are detachably arranged in the lumen of the outer tube inner suction pipe.
Further, the position-limit mechanism includes the limiting section being arranged on the connector, and puncture needle is arranged in 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, thread bush is arranged in the needle core tail end of the puncture needle, and screw thread is arranged in the needle guard tail end outer wall, described Needle core can be connect with the needle guard by thread bush, in order to adjust the length that the tip of the needle core stretches out in 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 lumen 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.
By adopting the above technical scheme, 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, 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 guidance attracts abundant.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is structural schematic diagram (outer tube of the sting device provided by the embodiment of the utility model in the first use state Cooperate with puncture needle);
Fig. 2 is the partial enlarged view in Fig. 1 at I.
Fig. 3 is the structural schematic diagram of outer tube;
Fig. 4 is structural schematic diagram (housing of the sting device provided by the embodiment of the utility model in second of use state Pipe and tubes fit).
Appended drawing reference: 100- outer tube;101- lumen;102- connector;103- installing port;104- suction hole;105- air inlet Mouthful;106- water inlet;107- water inlet line;108- admission line;200- puncture needle;201- needle core;202- needle guard;203- screw thread Set;300- inner suction pipe;The side 301- suction hole;400- position-limit mechanism;401- limiting section;402- protrusion;500- negative pressure equipment.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.
Fig. 1 to Fig. 4 is please referred to, a kind of sting device provided in the present embodiment, comprising: outer tube 100, puncture needle 200 With inner suction pipe 300.
Outer tube 100 uses hose, and the head end of outer tube 100 is set as back taper, plays guiding role, reduces resistance, Convenient for can swimmingly be inserted into human body.
The lumen 101 to accommodate puncture needle 200 or inner suction pipe 300 is arranged in the inside of outer tube 100.
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 lumen 101 inside outer tube 100, and multiple attractions are circumferentially arranged close to the tube wall of head-end location in outer tube 100 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 lumen 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 method, After being punctured to human body corresponding site, puncture needle 200 easy to disassemble, then in the lumen 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 puncturing 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 shape of the back taper of connector 102 match, and equally facilitate insertion into human body.
Referring to figure 4., in a preferred embodiment, above-mentioned position-limit mechanism 400 includes that setting is provided on connector 102 Limiting section 401, and protrusion 402 of the needle guard 202 close to front position of puncture needle 200 is set, 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, thread bush 203, needle guard is arranged in 201 tail end of needle core of the puncture needle 200 Screw thread is arranged in 202 tail end outer walls, 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.
Referring to figure 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 connection, so that the two is mutually fixed, meanwhile, it is capable to adjust inner suction pipe 300 in the intraluminal built-in length of outer tube 100.
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 utility model below:
Method one: being 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 needle guard 202 of puncture needle 200 and the installing port of outer tube 100 103 are screwed connection, and needle core 201 is screwed with needle guard 202 and is connect, limited using connector 102 202 position of needle guard 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, and use marked.It sterilizes, 2% benefit is used after drape Cacaine local anaesthesia.And sizeable " ten " font notch is cut at label point of puncture with blade.
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, then starting 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 lumen 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 damaging 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, and use marked.It sterilizes, 2% benefit is used after drape Cacaine local anaesthesia.
3. being placed in seal wire using Seldinger puncture method, size conjunction is cut at point of puncture skin along seal wire using blade Suitable " ten " font notch.
4. passing through pipeline of the seal wire in needle guard 202, while making whole using the sting device without needle core 201 in step 1 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 connect syringe and extract judgement 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, then starting 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 lumen 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 damaging to human body of the suction force of inner suction pipe 300.
Method three: the patient suitable for needing lasting seal wire guidance after the puncture of method one.
1. puncture needle 200 is installed in outer tube 100, the needle guard 202 of puncture needle 200 and the installing port of outer tube 100 103 are screwed connection, and needle core 201 is screwed with needle guard 202 and is connect, limited using connector 102 202 position of needle guard 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, and use marked.It sterilizes, 2% benefit is used after drape Cacaine local anaesthesia.And sizeable " ten " font notch is cut at label point of puncture with blade.
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 protrude 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 protruding into;
4, the position of outer tube 100 is constant, takes out seal wire, connects syringe in 202 tail end of needle guard and 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, then starting 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 lumen of admission line 108 and outer tube 100, and is inhaled by inner suction pipe 300 It takes, ensures the moderate without damaging 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, convenient for the installation and removal of puncture needle 200;
3, the needle guard 202 of puncture needle 200 and connector 102 are clamped 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 is capable of fixing 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, the replaceable puncture needle 200 of inner suction pipe 300, 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 Sufficiently.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System;Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced;And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of sting device characterized by comprising 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 lumen 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 lumen 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 close to front position of puncture needle 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 thread bush is arranged in the needle core tail end of the puncture needle, Screw thread is arranged in the needle guard tail end outer wall, 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 lumen 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 tube wall of the inner suction pipe tail end and the peace of outer tube Mouth is filled using being threadedly coupled, in order to adjust the inner suction pipe in the intraluminal built-in length of the outer tube.
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.
CN201820895378.6U 2018-06-08 2018-06-08 Sting device Expired - Fee Related CN208989063U (en)

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Application Number Priority Date Filing Date Title
CN201820895378.6U CN208989063U (en) 2018-06-08 2018-06-08 Sting device

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Application Number Priority Date Filing Date Title
CN201820895378.6U CN208989063U (en) 2018-06-08 2018-06-08 Sting device

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Publication Number Publication Date
CN208989063U true CN208989063U (en) 2019-06-18

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Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108742794A (en) * 2018-06-08 2018-11-06 李金海 Sting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108742794A (en) * 2018-06-08 2018-11-06 李金海 Sting device

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190618

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