CN207445063U - Separation preventing triple channel vessel cannula is intubated - Google Patents
Separation preventing triple channel vessel cannula is intubated Download PDFInfo
- Publication number
- CN207445063U CN207445063U CN201720434466.1U CN201720434466U CN207445063U CN 207445063 U CN207445063 U CN 207445063U CN 201720434466 U CN201720434466 U CN 201720434466U CN 207445063 U CN207445063 U CN 207445063U
- Authority
- CN
- China
- Prior art keywords
- triple channel
- valve body
- passage
- vascular catheterization
- blood
- 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.)
- Expired - Fee Related
Links
Abstract
A kind of separation preventing triple channel vessel cannula intubation, it is characterised in that：Including triple channel stopcock, needle core is strengthened in vascular catheterization and closure, triple channel stopcock includes spool, triple channel valve body, triple channel valve body sets first passage, second channel and third channel, spool is mounted in triple channel valve body, it is connected by spool to control in triple channel valve body between any two passage, one end of first passage and vascular catheterization connects, the other end sealing of vascular catheterization, blood ostium is offered on vascular catheterization, blood ostium is close to the sealed end of vascular catheterization, the second channel that needle core from triple channel valve body are strengthened in the closure is inserted into and sequentially passes through spool, first passage, vascular catheterization, and the blood ostium of vascular catheterization is blocked；Anticreep groove is set on triple channel valve body, by fastened on anticreep groove cord and by the free end of cord tie up to by experimental subjects to realize anticreep.
Description
Technical field
The utility model belongs to medical surgery instrument field, more particularly to a kind of separation preventing triple channel vessel cannula intubation.
Background technology
During medical animal experiment, many animals need to do arterial cannulation, to detect blood pressure, arterial blood drawing or work
Extracorporal circulatory system experiment etc..Traditional arterial cannulation can only once establish a passage, and artery cannot be done while blood pressure is detected
Blood sampling or extracorporal circulatory system experiment can only while be put two radicular arterieses intubation to meet requirement of experiment, aggravated to reality in animals
Test the tissue damage of animal.
Also some patent documents are described on triple channel arterial cannulation at present, such as Chinese patent Granted publication is CN
203090205 U disclose a kind of triple channel arterial cannulation, which includes intubation head, hose and triple channel rotation
Valve, triple channel stopcock and intubation head are connected to the both ends of hose.The technology can be established two or more logical simultaneously
Road meets two kinds of different operatings and is carried out at the same time.But there are two problems with：First, traditional vascular catheterization operating procedure
For：It first needs to ligature blood vessel distal end, then places an artery clamp in the proximal part close to blood vessel, block the blood of proximal part
Stream is cut off 1/3 angular cut of blood vessel diameter in 45° angle with medical ophthalmology staight scissors, is inserted into the elbow of bending ophthalmology tissue clamps
Intravascular, gently takeoff blood vessel, is properly inserted vascular catheterization along this notch rapidly, such operating procedure is complicated, is susceptible to
The repeated intubation phenomenon occurred due to student's operation is unskilled, both extends test period, has aggravated to experimental subjects（As people,
The animals such as rabbit, rat, mouse and dog）Damage, and easily experimental animal is caused to lose blood greatly, directly influences the success or failure of experiment；
Secondly, without anti-drop function, easily come off during the experiment, the 4-6 name students of experimental group is caused to insert experimental subjects repeatedly
Pipe, causes the multiple injury to experimental subjects or even animal massive haemorrhage occurs, directly influence the success or failure of experiment.
Utility model content
In view of this, it is necessary to which a kind of separation preventing triple channel vessel cannula intubation that can be directly punctured is provided.
To realize above-mentioned purpose, the technical solution of the utility model is：A kind of separation preventing triple channel vessel cannula intubation,
Strengthen needle core including triple channel stopcock, vascular catheterization and closure, triple channel stopcock includes spool, triple channel valve body, three track valve
Body is provided with first passage, second channel and third channel, and spool is mounted in triple channel valve body, and threeway is controlled by spool
It is connected in road valve body between any two passage, one end connection of first passage and vascular catheterization, the other end of vascular catheterization is close
Envelope, offers blood ostium on vascular catheterization, blood ostium close to vascular catheterization sealed end, the closure strengthen needle core from
The second channel of triple channel valve body is inserted into and sequentially passes through spool, first passage, vascular catheterization, and by the blood stream of vascular catheterization
Enter hole closure；Anticreep groove is set on triple channel valve body, by fastening cord and the free end system by cord on anticreep groove
To realize anticreep on by experimental subjects.
Preferably, above-mentioned anticreep groove is arranged on the lateral wall of first passage, and fastener is installed on above-mentioned anticreep groove,
The outer wall of the fastener opens up annular anchoring groove, by fastening cord and the free end by cord on annular anchoring groove
Tie up to by experimental subjects to realize anticreep.
Preferably, triple channel valve body further includes helmet, first passage and second channel is concentric opposite is arranged on threeway
Road valve body the upper side and lower side, third channel are arranged on the right side of triple channel valve body, and helmet is fastened in the opening of third channel.
Preferably, clamping protrusion is provided on the outer wall of the second channel of triple channel valve body, needle core bag is strengthened in above-mentioned closure
Plugging cap and closure core are included, the one end for blocking core is fixedly connected with plugging cap, blocks the other end of core the from triple channel valve body
Two passages are inserted into and sequentially pass through spool, first passage, vascular catheterization, and the blood ostium of vascular catheterization is blocked, closure
The edge in the face being connected with closure core of cap is provided with annular wall, and stopper protrusion, stopper protrusion are arranged on the inner wall of annular wall
After between the face being connected with closure core of plugging cap there is gap, closure core to block the blood ostium of vascular catheterization, press
It presses and rotates plugging cap, so that the clamping protrusion on the outer wall of the second channel of triple channel valve body is stuck in stopper protrusion and plugging cap
The gap between the face that be connected of closure core in, to realize that closure reinforcement needle core is relatively fixed with triple channel valve body.
Preferably, above-mentioned vascular catheterization is made of igelite, and its front end is in cone shape, apart from its front end
The side wall of 0.3 centimeters is equipped with three blood ostiums of a row, and it is 0.1 centimetre that blood, which flows into bore dia, blood ostium
The distance between be 0.05 centimetre.
The beneficial effects of the utility model are compared with prior art：Separation preventing triple channel vessel cannula intubation includes blood vessel
Needle core is strengthened in intubation, triple channel stopcock and closure, sets groove on the triple channel valve body of triple channel stopcock, vascular catheterization is assembled in
On triple channel stopcock, after closure reinforcement needle core passes through triple channel stopcock, entire vascular catheterization is through to, closure is strengthened needle core and placed
By vascular catheterization sealing blocking after vascular catheterization, can Direct perforantes by the blood vessel of experimental subjects, and the blood in catheterization procedure
It may not flow into casing, simplify operating procedure, realize direct quick puncture blood vessel, after completing intubation, booster injection will be blocked
Core extraction is tested；It fastens cord on the annular anchoring groove of triple channel valve body, then cord is tied up to by experimental subjects,
Depart from during so as to avoid in experimentation due to being moved by experimental subjects.
Description of the drawings
Fig. 1 is the structure diagram that the separation preventing triple channel vessel cannula of a better embodiment is intubated.
The enlarged structure schematic diagram that the separation preventing triple channel vessel cannula that Fig. 2 is Fig. 1 is intubated.
The enlarged structure schematic diagram for another angle that the separation preventing triple channel vessel cannula that Fig. 3 is Fig. 1 is intubated.
The cross-sectional view that the separation preventing triple channel vessel cannula that Fig. 4 is Fig. 1 is intubated.
In figure：Separation preventing triple channel vessel cannula intubation 10, triple channel stopcock 20, spool 21, triple channel valve body 22, first
Passage 220, second channel 221, clamping protrusion 2210, third channel 222, anticreep groove 223, fastener 224, annular anchor
Needle core 40, plugging cap 41, closure core 42, annular are strengthened in slot 225, helmet 226, vascular catheterization 30, blood ostium 301, closure
Wall 43, stopper protrusion 44.
Specific embodiment
Specific embodiment of the present utility model combination attached drawing further illustrates.It refer to Fig. 1 to Fig. 4, separation preventing threeway
Road vessel cannula intubation 10 includes triple channel stopcock 20, vascular catheterization 30 and closure and strengthens needle core 40；Triple channel stopcock 20 includes
Spool 21, triple channel valve body 22, triple channel valve body 22 are provided with first passage 220, second channel 221 and third channel 222, valve
Core 21 is mounted in triple channel valve body 22, is connected by spool 21 to control in triple channel valve body 22 between any two passage,
First passage 220 is connected with one end of vascular catheterization 30, the other end sealing of vascular catheterization 30, and blood is offered on vascular catheterization
Ostium 301, for blood ostium 301 close to the sealed end of vascular catheterization 30, which strengthens needle core 40 from triple channel valve body 20
Second channel 221 be inserted into and sequentially pass through spool 21, first passage 220, vascular catheterization 30, and by the blood of vascular catheterization 30
Ostium 301 blocks；Anticreep groove 223 is set on triple channel valve body 22, by fastening cord on anticreep groove 223 and inciting somebody to action thin
The free end of rope tie up to by experimental subjects to realize anticreep.Above-mentioned vascular catheterization 30 is made of igelite, and before it
End is in cone shape, three blood ostiums 301 equipped with a row, blood stream on the side wall apart from its 0.3 centimeters of front end
Enter a diameter of 0.1 centimetre of hole 301, the distance between blood ostium 301 is 0.05 centimetre.
Further, above-mentioned anticreep groove 223 is arranged on the lateral wall of first passage 220, on above-mentioned anticreep groove 223
Fastener 224 is installed, the outer wall of the fastener 224 opens up annular anchoring groove 225, by being on annular anchoring groove 225
Upper cord and by the free end of cord tie up to by experimental subjects to realize anticreep.
Further, triple channel valve body 22 further includes helmet 226, and first passage 220 and second channel 221 are concentric opposite
Be arranged on 22 the upper side and lower side of triple channel valve body, third channel 222 is arranged on 22 right side of triple channel valve body, and helmet 226 fastens
In the opening of third channel 222.
Further, clamping protrusion 2210, above-mentioned closure are provided on the outer wall of the second channel 221 of triple channel valve body 22
Strengthening needle core 40 includes plugging cap 41 and closure core 42, and one end of closure core 42 is fixedly connected with plugging cap 41, closure core 42
The other end is inserted into from the second channel 221 of triple channel valve body 22 and sequentially passes through spool 21, first passage 220, vascular catheterization 30,
And block the blood ostium 301 of vascular catheterization 30, the edge in the face being connected with closure core 42 of plugging cap 41 is provided with ring
Shape wall 43, stopper protrusion 44 is arranged on the inner wall of annular wall 43, and stopper protrusion 44 is connected with plugging cap 41 with closure core 42
Face between have gap, closure core 42 the blood ostium 301 of vascular catheterization 30 is blocked after, press and rotate plugging cap
41, so that the clamping protrusion 2210 on the outer wall of the second channel 221 of triple channel valve body 22 is stuck in stopper protrusion 44 and plugging cap
In gap between 41 face being connected with closure core 42, to realize that needle core 40 is strengthened in closure and triple channel valve body 22 is relatively solid
It is fixed.Plugging cap 41 is convenient for experimenter's hand-held operation, facilitates closure strengthening needle core 40 from triple channel stopcock 20 and vascular catheterization 30
It inserts or pull out, after needle core 40 is strengthened in closure is fully inserted into vascular catheterization 30, presses and rotate plugging cap 41, make three track valve
Clamping protrusion 2210 on the outer wall of the second channel 221 of body 22 is stuck in stopper protrusion 44 and connects with plugging cap 41 and closure core 42
In gap between the face connect, strengthen needle core 40 to realize to block and be relatively fixed with triple channel valve body 22, and by second channel 221
Opening closure, further function as dust-proof effect.
The utility model realizes quick puncture blood vessel, prevents catheter displacement, slippage and obstruction, and it is dynamic to not only increase experiment
The quality and efficiency of object vascular catheterization, and have many advantages, such as safety, it is minimally invasive, vascular puncture step is simple, while establishes two
Or more than two passages, it is inputted while meeting two kinds of different liquids, the purpose of economic and reliable, and simple in structure, operation side
It just, can Reusability after sterilized sterilizing, convenient for cleaning, being hardly damaged.
Claims (5)
1. a kind of separation preventing triple channel vessel cannula intubation, it is characterised in that：Add including triple channel stopcock, vascular catheterization and closure
Strong needle core, triple channel stopcock include spool, triple channel valve body, and triple channel valve body is provided with first passage, second channel and the 3rd
Passage, spool are mounted in triple channel valve body, are connected by spool to control in triple channel valve body between any two passage, the
One end of one passage and vascular catheterization connects, the other end sealing of vascular catheterization, and blood ostium, blood are offered on vascular catheterization
Close to the sealed end of vascular catheterization, which strengthens needle core and is inserted into from the second channel of triple channel valve body and wears successively liquid ostium
Spool, first passage, vascular catheterization are crossed, and the blood ostium of vascular catheterization is blocked；Set anticreep recessed on triple channel valve body
Slot, by fastened on anticreep groove cord and by the free end of cord tie up to by experimental subjects to realize anticreep.
2. separation preventing triple channel vessel cannula intubation as described in claim 1, it is characterised in that：Above-mentioned anticreep groove is arranged on
On the lateral wall of first passage, fastener is installed on above-mentioned anticreep groove, the outer wall of the fastener opens up annular anchoring groove, leads to
Cross fastened on annular anchoring groove cord and by the free end of cord tie up to by experimental subjects to realize anticreep.
3. separation preventing triple channel vessel cannula intubation as claimed in claim 2, it is characterised in that：Triple channel valve body further includes shield
Cap, first passage and second channel it is concentric it is opposite be arranged on triple channel valve body the upper side and lower side, third channel is arranged on three
On the right side of passage valve body, helmet is fastened in the opening of third channel.
4. separation preventing triple channel vessel cannula intubation as claimed in claim 3, it is characterised in that：The second of triple channel valve body is logical
Clamping protrusion is provided on the outer wall in road, needle core is strengthened in above-mentioned closure includes plugging cap and closure core, blocks one end and the envelope of core
Blocking cap is fixedly connected, the second channel for blocking the other end from the triple channel valve body of core is inserted into and sequentially passes through spool, first passage,
Vascular catheterization, and the blood ostium of vascular catheterization is blocked, the edge in the face being connected with closure core of plugging cap is provided with ring
Shape wall is arranged at stopper protrusion on the inner wall of annular wall, has between stopper protrusion and the face being connected with closure core of plugging cap
Gap after closure core blocks the blood ostium of vascular catheterization, presses and rotates plugging cap, so that the second of triple channel valve body
Clamping protrusion on the outer wall of passage is stuck in the gap between stopper protrusion and the face being connected with closure core of plugging cap, with reality
Now closure is strengthened needle core and is relatively fixed with triple channel valve body.
5. separation preventing triple channel vessel cannula intubation as claimed in claim 4, it is characterised in that：Above-mentioned vascular catheterization is by polychlorostyrene
Vinyl plastics are made, and its front end is in cone shape, and three blood of a row are equipped on the side wall apart from its 0.3 centimeters of front end
Liquid ostium, it is 0.1 centimetre that blood, which flows into bore dia, and the distance between blood ostium is 0.05 centimetre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720434466.1U CN207445063U (en) | 2017-04-24 | 2017-04-24 | Separation preventing triple channel vessel cannula is intubated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720434466.1U CN207445063U (en) | 2017-04-24 | 2017-04-24 | Separation preventing triple channel vessel cannula is intubated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207445063U true CN207445063U (en) | 2018-06-05 |
Family
ID=62246992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720434466.1U Expired - Fee Related CN207445063U (en) | 2017-04-24 | 2017-04-24 | Separation preventing triple channel vessel cannula is intubated |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207445063U (en) |
-
2017
- 2017-04-24 CN CN201720434466.1U patent/CN207445063U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107412912A (en) | It is a kind of to continue micro- transfusion vein indwelling needle | |
| CN107469191A (en) | A kind of anti-venous indwelling needle | |
| CN109011009A (en) | A kind of intravenous injection device, system and control method | |
| CN207445063U (en) | Separation preventing triple channel vessel cannula is intubated | |
| CN107485757B (en) | Novel indwelling needle | |
| CN207734452U (en) | A kind of implantable drug delivery system | |
| CN206934383U (en) | Drainage system and CVC external member | |
| CN213156298U (en) | Central vein puncture needle set capable of rapidly judging arteriovenous | |
| CN108939206B (en) | Sterile anti-reflux indwelling needle easy to fix | |
| CN209916923U (en) | Disposable umbilical vein needle | |
| CN209713254U (en) | Acute mammal experiment artery and vein intubation uses conduit | |
| CN209347788U (en) | Novel remaining needle | |
| CN209286357U (en) | Preventing thrombosis not plugging remaining needle | |
| CN203280461U (en) | Puncture needle for interventional therapy of cardiology | |
| CN202497589U (en) | Improved double-cavity drainage tube | |
| CN215995090U (en) | Transfusion device switching tube capable of accurately judging needle insertion position by using sealing membrane | |
| CN206995317U (en) | A kind of tumour, which expands, splits device | |
| CN217409461U (en) | Infusion needle seat and infusion needle | |
| CN205379514U (en) | Slowly -releasing malleation device and keep somewhere needle thereof | |
| CN205107968U (en) | Infusion set is kept somewhere to rat jugular vein | |
| CN109011005B (en) | Sterile anti-reflux indwelling needle easy to puncture | |
| CN213312274U (en) | Arteriovenous indwelling needle sleeve for hemodialysis puncture | |
| CN209984774U (en) | Improved anti-drop anti-infection central venous catheter | |
| CN211749929U (en) | Multi-cavity tearable radiography sheath tube | |
| CN211157738U (en) | Blood sampling transfusion device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180605 Termination date: 20190424 |