CN209107653U - A kind of vascular catheterization device - Google Patents
A kind of vascular catheterization device Download PDFInfo
- Publication number
- CN209107653U CN209107653U CN201821265099.8U CN201821265099U CN209107653U CN 209107653 U CN209107653 U CN 209107653U CN 201821265099 U CN201821265099 U CN 201821265099U CN 209107653 U CN209107653 U CN 209107653U
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- China
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- shell
- turntable
- blood vessel
- vascular catheterization
- piston seal
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Abstract
A kind of vascular catheterization device belongs to medical infusion set field, smaller in order to solve experimental animal blood vessel caliber, and the depth being finally inserted into and dynamics is caused to be difficult to determine, entirely by rule of thumb and feel, therefore operation difficulty is larger, low success rate of problem.The utility model includes: shell, biopsy needle guide, piston seal, fixing sleeve, elastic component and press device, auxiliary device；Press device is additionally provided in shell, one end of press device is connect with fixing sleeve, and the other end passes through the rear end of the movable span on shell and prominent shell；Elastic component is equipped between press device and piston seal；It is simple that this programme provides a kind of structure, it is easy to operate, energy one-handed performance presses mandril to realize the purpose of puncture vessel, " v " shape notch is done on blood vessel instead of eye scissors, puncture vessel that can be quick, minimally invasive, damage of the routine operation to blood vessel is avoided, disposable successful intubation is high and easy to operate.
Description
Technical field
The utility model relates to a kind of medical infusion set, especially a kind of vascular catheterization device.
Background technique
In zoopery operation, we often will use this technology of vascular catheterization, and vascular catheterization art is experimental zoology
And the basic operation and technical ability of related basic research, intubation quality height decide subsequent experimental study can smoothly into
Row, is related to the success or failure entirely tested.Majority Scientific Research in University Laboratory uses traditional vascular catheterization device at present, needs in blood vessel
On do " v " shape notch, it is easy to cause oozing of blood, blood vessel caused to damage, disposable successful intubation bottom, and inconvenient.This
Sample not only wastes Animal resources, and influences experimental result, and the purpose of study medical knowledge is not achieved.
Summary of the invention
The success of vascular catheterization device used is provided the purpose of the utility model is to overcome the above-mentioned insufficient of the prior art
A kind of high vascular catheterization device of rate.
The technical solution of the utility model is: a kind of vascular catheterization device, comprising: shell, fixing sleeve, stays biopsy needle guide
Hose, elastic component and piston seal are set, is equipped with piston seal in the shell, the biopsy needle guide includes syringe needle and needle
One end of body, the biopsy needle guide is connect with fixing sleeve, and the other end sequentially passes through piston seal, case nose and indwelling
Hose, the shell lead haemocoele close to one end of syringe needle and piston seal formation, and the side wall of outer shell is equipped with and leads haemocoele
Blood hole is led in connection, and the one end for leading blood hole and latex catheter connects, and the indwelling Hose Jacket is set to the front end of shell, the fixation
Set is fixed in shell, which is characterized in that press device, one end of the press device and fixation are additionally provided in the shell
Set connection, the other end pass through the rear end of the movable span on shell and prominent shell；Between the press device and piston seal
Equipped with elastic component.
Further, the press device includes: mandril, the first turntable and the second turntable；First turntable and second turn
Disk is set on mandril, and mandril passes through the movable span, and the first turntable is located at the second turntable lower end, the first turntable and the second turntable
One end is designed with helical teeth, the helical teeth intermeshing of the first turntable and the second turntable, and second rotary disk limitation is sheathed on fixing sleeve
It is interior.Elastic component gives the first turntable one upward power, and when applying pressure to mandril, mandril is along the second dial movement compressing the
One turntable moves downward, when the engagement place of the first turntable and the second turntable is detached from, at the contact of incline plane of mandril and the first turntable
The radial force of generation forces the rotation of the first turntable, engages the first turntable again with the second turntable.When pressing mandril again, weight
The multiple above retraction and stretching acted to realize biopsy needle guide syringe needle.
Further, the shell is hollow structure, and in cone-shaped, rear end is cylindrical body for front end；On the inside of the movable span
Equipped with press resistant pillar, the abrasion of movable span is effectively alleviated, enhances the bearing capacity of movable span.
Further, the indwelling hose is communicated with haemocoele is led, and the other end for leading haemocoele is equipped with triple valve.
Further, the piston seal is one or more layers structure, and in front end of the shell in cylindrical body, piston is close
Seal can prevent guiding puncture syringe needle blood back flow after puncturing blood vessel from entering in Intubaction device and reducing the exudation of blood,
When lead blood cavity pressure it is excessive when, piston seal can be displaced to press device direction, adjusted and led pressure in haemocoele.
Further, the both ends of the elastic component are fixed or are detachably connected with press device, piston seal respectively.
Further, the needle body of the close syringe needle is equipped with several small sircle holes, increases the toughness, angle and needle body of syringe needle
Thickening increases.The blood volume that note inhales speed, increases triple valve can not only be accelerated, it is thus also avoided that because needle mouth is attached to blood vessel
And cause to block, the incidence of oozing of blood is reduced, to ensure that liquid stream is unobstructed when note is inhaled.
Further, the auxiliary device includes: hollow pipe, sliding slot, the sliding pole of at least three, blood vessel clip and blood vessel pad；It is described
Sliding slot is equipped in hollow pipe, sliding slot is equipped with sliding pole, and sliding to be extremely equipped with blood vessel clip or blood vessel pad, the blood vessel pad is located at blood
Between pipe clamp.
Further, the cunning extremely 3 ~ 5.
Further, the blood vessel clip is mainly made of two longer caudal peduncle spring wires and intermediate plate, and intermediate plate is one-pass molding
Spring steel plate, caudal peduncle spring wire is formed from steel, and one end that caudal peduncle spring wire is connected with blood vessel is movable, is equipped on intermediate plate soft
Glue neonychium prevents from causing damages to blood vessel.
The utility model has the following beneficial effects:
1, the utility model vascular catheterization device structure is simple, can one-handed performance, mandril is pressed by one hand and is worn to realize
Thorn, achievees the purpose that inlet pipe；Vascular catheterization device does " v " shape notch instead of eye scissors on blood vessel, quick, minimally invasive can wear
Lancing pipe, avoids damage of the routine operation to blood vessel, and disposable successful intubation is high and easy to operate；
2, the success rate being intubated when vascular catheterization device use is improved, loss caused by reducing after intubation defeat, operation
It is simple and convenient, while instead of the conventional method for the blood vessel pricked with knot, it improves work efficiency；
3, the shell of hollow structure reduces the use of material, reduces costs, and forming product can use repeatedly, has and answers
Use promotional value；
4, successful intubation increases substantially, and has prevented to make the failure of an experiment because intubation is unsuccessful, has improved quality of instruction.
It is further described below in conjunction with detailed construction of the drawings and specific embodiments to the utility model.
Detailed description of the invention
Fig. 1-is the utility model vascular catheterization device sectional view；
Fig. 2-is the utility model vascular catheterization device main view；
Fig. 3-is the utility model vascular catheterization device auxiliary device sectional view；
Fig. 4-is the utility model vascular catheterization device press device main view；
Fig. 5-is that the utility model inserts vascular catheterization device and its auxiliary device main view；
1-movable span, 2-press devices, 3-elastic components, 4-shells, 5-piston seals, 6-lead haemocoele, and 7-draw
Lead puncture needle, 8-lead blood hole, 9-latex catheters, 10-triple valves, 11-sliding slots, 12-hollow pipes, 13-blood vessel clips, and 14-
Blood vessel pad, 15-sliding poles, 16-press resistant pillars, 17-fixing sleeves, 18-indwelling hoses, 19-auxiliary devices, 201-the first turn
Disk, 202-sliding rails, 203-slideways, the 204-the second turntable, 205-mandrils, 206-helical teeth.
Specific embodiment
Embodiment 1
A kind of vascular catheterization device as shown in Figure 1:, comprising: shell 4, biopsy needle guide 7, piston seal 5, lead blood hole 8,
Latex catheter 9, triple valve 10, movable span 1, elastic component 3, press resistant pillar 16, fixing sleeve 17, indwelling hose 18, press device 2 and auxiliary
Help device 19；
Biopsy needle guide 7, piston seal 5, elastic component 3, press device 2 and fixing sleeve 17 are set in shell 4, elastic component
3 be compressed spring, and elastic component 3 is set between piston seal 5 and press device 2, and biopsy needle guide 7 is included in syringe needle and needle
Body, 7 needle end of biopsy needle guide pass through the indwelling hose 18 of 4 front end of piston seal 5 and shell, the other end and press device 2
Connection, press device 2 are sheathed in fixing sleeve 17；
Haemocoele 6 is led in piston seal 5 and the formation of shell 4, and indwelling hose 18 is communicated with haemocoele 6 is led, and shell 4 is equipped with and leads blood hole
8 communicate 6 with haemocoele is led, and lead blood hole 8 and connect with latex catheter 9, and the other end of latex catheter 9 is equipped with triple valve 10, go back on shell 4
Set on movable span 1.
Needle body close to syringe needle is equipped with several small sircle holes, and the toughness, angle and needle body thickening for increasing syringe needle increase.No
But the blood volume that note inhales speed, increases triple valve 10 can be accelerated, it is thus also avoided that cause to hinder due to needle mouth is attached to blood vessel
Plug, reduces the incidence of oozing of blood, to ensure that liquid stream is unobstructed when note is inhaled.
As shown in figure 4, press device 2 includes: mandril 205, the first turntable 201 and the second turntable 204；First turntable 201
It is set on mandril 205 with the second turntable 204, mandril 205 passes through movable span 1, and the first turntable 201 is located under the second turntable 204
End, the first turntable 201 are equipped with helical teeth 206 and sliding rail 202, and the second turntable 204 is equipped with helical teeth 206 and slideway 203.
The intermeshing of the helical teeth 206 of first turntable 201 and the second turntable 204,204 limit sleeve of the second turntable are set to fixing sleeve
In 17, biopsy needle guide 7 is in stretching state, and elastic component 3 gives the first turntable 201 upward power, applies when to mandril 205
When pressure, mandril 205 moves the first turntable 201 of compressing along the second turntable 204 and moves downward, when the first turntable 201 and second turn
When the engagement place of disk 204 is detached from, the radial force generated at the contact of incline plane of mandril 205 and the first turntable 201 forces the first turntable
201 rotations, engage the sliding rail 202 of the first turntable 201 and the slideway 203 of the second turntable 204 again, and biopsy needle guide 7 retracts
In shell 4.When pressing mandril 205 again, the above movement is repeated to realize the retraction and stretching of 7 syringe needle of biopsy needle guide, behaviour
Make it is simple and convenient, can one hand operated, improve work efficiency, loss caused by effectively reducing after intubation defeat.
Shell 4 is hollow structure, is made of high molecular material, is in cone-shaped and piston seal close to one end of syringe needle
Haemocoele 6 is led in 5 formation, and the other end is cylindrical body, is equipped with press resistant pillar 16 on the inside of movable span 1, is effectively reduced the mill of movable span 1
Damage, enhances the bearing capacity of movable span 1, prevents movable span 1 from splitting, while having sealing effect, prevent in air bacterium into
Enter, vascular catheterization is polluted.
Piston seal 5 is one or more layers structure, is provided close to syringe needle one end in the shell 4 of cylindrical body, piston is close
Seal 5 can prevent 7 syringe needle of biopsy needle guide blood back flow after puncturing blood vessel from entering in Intubaction device and reducing the infiltration of blood
Out, when leading that pressure is excessive in haemocoele 6, piston seal 5 can be displaced to 2 direction of press device, adjust lead in haemocoele 6 pressure
Power.
The both ends of elastic component 3 are fixed or are detachably connected with press device 2, piston seal 5 respectively, and guarantor is convenient to clean
It supports, the maintenance to instrument.
Vascular catheterization device does " v " shape notch instead of eye scissors on blood vessel, puncture vessel that can be quick, minimally invasive, keeps away
Damage of the routine operation to blood vessel is exempted from, disposable successful intubation is high and easy to operate, while also instead of tradition line pair
The mode that blood vessel is ligatured, effectively raises working efficiency, reduces the damage to blood vessel.
Press device is also possible that notification number are as follows: includes: elastic element, guide part, rotation disclosed in CN201185734Y
Turn the press device of part, locating piece and master unit.
Embodiment 2
As shown in figure 5, according to the vascular catheterization device of above-described embodiment 1 the difference is that including auxiliary device.
As shown in figure 3, auxiliary device 19 includes: hollow pipe 12, sliding slot 11, three sliding pole 15, blood vessel clip 13, blood vessel pads
14；Sliding slot 11 is equipped in the hollow pipe 12, sliding slot 11 is equipped with sliding pole 15, and sliding pole 15 is equipped with blood vessel clip 13 and blood vessel pad
14, blood vessel pad 14 is between two blood vessel clips 13.
Blood vessel clip 13 is mainly made of two longer caudal peduncle spring wire (not shown) and intermediate plate (not shown), intermediate plate one
Secondary molding spring steel plate, caudal peduncle spring wire are formed from steel, and one end that caudal peduncle spring wire is connected with blood vessel is movable, on intermediate plate
Equipped with flexible glue neonychium, prevent from causing damages to blood vessel.
The success rate being intubated when vascular catheterization device use is improved, loss caused by reducing after intubation defeat, operation letter
Folk prescription just, while instead of the conventional method for the blood vessel pricked with knot, improves work efficiency, and has prevented due to intubation is unsuccessful
Make the failure of an experiment, improves quality of instruction.
The working principle of the utility model is:
In zoopery vascular catheterization, routinely basic operative operation separates respectively and exposes the blood of experimental animal
Pipe, full to vessel inner blood, with auxiliary device 19(embodiment 2) or ligature with emulsion tube the proximal part of blood vessel and remote respectively
Heart end holds vascular catheterization device, by lower push rod 205, so that puncture needle 7 is stretched out the front end of shell 4, in the blood vessel support of auxiliary device 19
It is inserted into blood vessel at pad 14, is upwards in then that 30-45 ° of angles penetrate blood vessel antetheca by 7 tip ramp of biopsy needle guide, to tip
Inclined-plane has completely into lumen of vessels fall through sense after, keep tip ramp downward 7 rotation 180 degrees of biopsy needle guide, guidance worn
The puncture angle of pricker 7 slightly reduces, and then slowly elapses biopsy needle guide 7 again, biopsy needle guide 7 and indwelling hose 18 are simultaneously
It is inserted into blood vessel, leads haemocoele then from the ejection of 9 tail end of latex catheter because the effect of blood pressure flows into blood from 18 position of indwelling hose
(venous blood is slowly to overflow) stops insertion after seeing blood in latex catheter, then presses mandril, makes biopsy needle guide 7
It retracts, completes vascular catheterization.Auxiliary opening means 19 are located at the proximal part of blood vessel and the blood vessel clip of distal end, i.e., using blood vessel
Intubator carries out the experimental implementation such as draw blood.
After blood vessel blood drawing etc. after the completion of operations, then with the proximal part and emulsion tube 9 of the ligation blood vessel of auxiliary device 19, then in cream
Injection heparin-saline is in glue conduit 9 to prevent blood inside catheters from solidifying, and covers latex catheter 9 with calparine cap, hereafter, presses
It is required that carrying out note suction or interventional procedure.
The utility model vascular catheterization device structure is simple and convenient to operate, can one-handed performance, quick, minimally invasive can wear
Lancing pipe, disposable successful intubation is high and easy to operate, while instead of the conventional method for the blood vessel pricked with knot, improving
Working efficiency, forming product can use repeatedly, have application and popularization value, prevent to make the failure of an experiment because intubation is unsuccessful,
Improve quality of instruction.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (9)
1. a kind of vascular catheterization device, comprising: shell (4), biopsy needle guide (7), fixing sleeve (17), indwelling hose (18), elasticity
Part (3) and piston seal (5), the shell (4) is interior to be equipped with piston seal (5), and the biopsy needle guide (7) includes syringe needle
And needle body, one end of the biopsy needle guide are connect with fixing sleeve (17), the other end sequentially passes through piston seal (5), outer
Shell (4) front end and indwelling hose (18), the shell (4) form close to one end of syringe needle and piston seal (5) and lead haemocoele
(6), shell (4) side wall, which is equipped with, leads blood hole (8) with lead that haemocoele (6) be connected to, leads blood hole (8) and latex catheter (9)
One end connection, the indwelling hose (18) are sheathed on the front end of shell (4), and the fixing sleeve (17) is fixed in shell (4),
It is characterized in that, being additionally provided with press device (2) in the shell (4), one end and fixing sleeve (17) of the press device (2) are even
It connects, the other end passes through the rear end of the movable span (1) on shell (4) and prominent shell (4)；The press device (2) and piston are close
Elastic component (3) are equipped between seal (5).
2. vascular catheterization device according to claim 1, which is characterized in that the press device (2) include: mandril (205),
First turntable (201) and the second turntable (204)；First turntable (201) and the second turntable (204) are set in mandril (205)
On, mandril (205) passes through the movable span (1), and the second turntable (204) is located at the first turntable (201) top, the first turntable
(201) it is designed with helical teeth (206) with the opposite one end of the second turntable (204), the first turntable (201) and the second turntable (204)
Helical teeth (206) intermeshing, the second turntable (204) limit are set in fixing sleeve (17).
3. vascular catheterization device according to claim 1, which is characterized in that the shell (4) is hollow structure, and front end is in
Cone-shaped, rear end is cylindrical body；Press resistant pillar (16) are equipped on the inside of the movable span (1).
4. vascular catheterization device according to claim 1, which is characterized in that the other end of the latex catheter (9) is equipped with three
Port valve (10).
5. vascular catheterization device according to claim 1, which is characterized in that the piston seal (5) is one or more layers
Structure.
6. vascular catheterization device according to claim 1, which is characterized in that the both ends of the elastic component (3) respectively with pressing
Device (2), piston seal (5) are detachably connected.
7. vascular catheterization device according to claim 1, which is characterized in that the vascular catheterization device further includes auxiliary device
(19), the auxiliary device (19) includes: hollow pipe (12), sliding slot (11), at least three sliding pole (15), blood vessel clip (13) and blood
Conduit saddle pad (14)；Sliding slot (11) are equipped in the hollow pipe (12), sliding slot (11) is equipped with sliding pole (15), and sliding pole (15) are equipped with
Blood vessel clip (13) or blood vessel pad (14), the blood vessel pad (14) are located between blood vessel clip (13).
8. vascular catheterization device according to claim 7, which is characterized in that the sliding pole (15) is 3 ~ 5.
9. vascular catheterization device according to claim 7, which is characterized in that the blood vessel clip (13) is mainly by caudal peduncle spring wire
It is formed with intermediate plate, intermediate plate is one-time formed spring steel plate, and caudal peduncle spring wire is formed from steel, what caudal peduncle spring wire was connected with blood vessel
One end is movable, and flexible glue neonychium is equipped on intermediate plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821265099.8U CN209107653U (en) | 2018-08-07 | 2018-08-07 | A kind of vascular catheterization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821265099.8U CN209107653U (en) | 2018-08-07 | 2018-08-07 | A kind of vascular catheterization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209107653U true CN209107653U (en) | 2019-07-16 |
Family
ID=67196735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821265099.8U Expired - Fee Related CN209107653U (en) | 2018-08-07 | 2018-08-07 | A kind of vascular catheterization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209107653U (en) |
-
2018
- 2018-08-07 CN CN201821265099.8U patent/CN209107653U/en not_active Expired - Fee Related
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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: 20190716 Termination date: 20200807 |