CN209451013U - A kind of heart hydrops suction needle tubing - Google Patents
A kind of heart hydrops suction needle tubing Download PDFInfo
- Publication number
- CN209451013U CN209451013U CN201821919785.2U CN201821919785U CN209451013U CN 209451013 U CN209451013 U CN 209451013U CN 201821919785 U CN201821919785 U CN 201821919785U CN 209451013 U CN209451013 U CN 209451013U
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- CN
- China
- Prior art keywords
- syringe
- piston
- needle
- pull rod
- aspirates
- 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
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a kind of heart hydrops to aspirate needle tubing, including syringe, first piston, the first pull rod and syringe needle, the first piston are built in syringe and match with syringe inner wall, and syringe is divided into negative pressure cavity and non-negative pressure cavity by first piston；One end face of the first piston connects the first pull rod, the other end connecting needle of first piston, the lower end of the extended syringe of syringe needle；The mounting hole of perforation is offered at the center of the first pull rod and first piston, is equipped with the second pull rod in mounting hole, the end of the second pull rod is connected with the second piston being adapted to inner needle wall, and the outer end of second piston is connected with hose.The utility model has the following beneficial effects: the utility model designs hose, hydrops is extracted using the suction function of negative pressure cavity, after hose enters pericardium, sharp syringe needle is extracted out from pericardium, it is pierced through after avoiding hydropericardium from reducing deformation by syringe needle, alleviates the pain of patient.
Description
Technical field
The utility model relates to the field of medical instrument technology, and in particular to a kind of heart hydrops suction needle tubing.
Background technique
The reason of purpose of heart hydrops drainage is clear heart hydrops extracts heart hydrops and releases filling and pericardium
Intracavitary injection object.When carrying out openheart surgery, doctor can beside wound a pre-buried drainage tube, it is logical in the exposed junction of drainage tube
It crosses syringe and carries out hydrops extraction operation.This operation process is in the prevalence of hydrops in the fixed inconvenient, syringe of syringe
The difficult problem of sealing replacement after being filled；Simultaneously as pericardium is in hydrops swelling state, with product when syringe needle is pierced into pericardium
The discharge of liquid, pericardium can be deformed, and syringe needle sharp at this time may pierce through pericardium.Therefore, it is necessary to the prior art into
Row improves.
Summary of the invention
The purpose of this utility model is that in view of the deficiencies of the prior art, providing one kind convenient for fixing and the heart will not be damaged
The heart hydrops of packet aspirates needle tubing.
The technical solution adopted in the utility model are as follows: a kind of heart hydrops aspirates needle tubing, including syringe, first piston, the
One pull rod and syringe needle, the first piston are built in syringe and match with syringe inner wall, and syringe is divided into negative pressure by first piston
Chamber and non-negative pressure cavity；One end face of the first piston connects the first pull rod, the other end connecting needle of first piston, syringe needle
The lower end of extended syringe；The mounting hole of perforation is offered at the center of the first pull rod and first piston, and the is equipped in mounting hole
Two pull rods, the end of the second pull rod are connected with the second piston being adapted to inner needle wall, and the outer end of second piston is connected with hose.
According to the above scheme, the deflector hole being connected to negative pressure cavity is offered on the hose.
According to the above scheme, the first piston is provided with the through-hole of connection negative pressure cavity and non-negative pressure cavity, is equipped in through-hole multiple
Position spring, sets check valve in reset spring.
According to the above scheme, the circumferentially-spaced multiple locating slots in the lower end of the syringe, locating slot connect guide seats, the needle
Head passes through guide seats.
According to the above scheme, the guide seats include inner cylinder, multi-disc arc panel, and the annular of connection inner cylinder and arc panel
Top plate, the circumferentially-spaced multiple positioning pins of arrangement of annular roof plate, positioning pin are adapted with the locating slot of syringe bottom；The syringe needle is worn
Cross inner cylinder.
According to the above scheme, sucker is set in the lower end of arc panel, gas vent is arranged at the bottom of sucker.
According to the above scheme, aseptic cotton is filled between inner tank theca and arc panel inner wall.
According to the above scheme, air drain is equipped between two neighboring arc panel.
According to the above scheme, bandage is connected on the positioning pin, two bandages are connected by a snap after bypassing human body.
According to the above scheme, the second piston is connect with the second pull rod screw.
The utility model has the following beneficial effects:
(1) the utility model designs hose, hydrops is extracted using the suction function of negative pressure cavity, when hose enters pericardium
Afterwards, sharp syringe needle is extracted out from pericardium, is pierced through after avoiding hydropericardium from reducing deformation by syringe needle, is alleviated the pain of patient；
(2) check valve is arranged in the utility model on first piston, during intrapericardial injection drug, if syringe needle or
Hose is blocked by tissue object, and when needle cylinder pressure is excessively high, liquid medicine can open check valve and voluntarily overflow, and avoids height
Water column is pressed to impact human internal organ；
(3) design guide seats, positioning can be played the role of to syringe needle, reduce syringe needle during piercing due to
The crooked risk for being stopped by tissue and generating, reduces operation risk；After the completion of operation, the hose in syringe needle can
Be detached from needle tubing, be placed in hose in guide seats can Reusability, eliminate the pain that sufferer repeatedly punctures；
(4) the utility model is designed reasonably, feasibility is good, high reliablity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram one of one specific embodiment of the utility model.
Fig. 2 is the structural schematic diagram two of the present embodiment.
Fig. 3 is the enlarged drawing of check valve in the present embodiment.
Fig. 4 is the schematic diagram one of guide seats in the present embodiment.
Fig. 5 is the schematic diagram two of guide seats in the present embodiment.
Fig. 6 is the scheme of installation of guide seats in the present embodiment.
Wherein, 1, syringe, 101, locating slot, 2, first piston, 3, syringe needle, 4, hose, 5, deflector hole, 6, second piston,
7, the first pull rod, the 8, second pull rod, 9, check valve, 10, reset spring, 11, guide seats, 12, positioning pin, 13, air drain, 14,
Aseptic cotton, 15, bandage, 16, gas vent, 17, buckle, 18, sucker, 19, screw rod.
Specific embodiment
In order to better understand the utility model, the utility model is made in the following with reference to the drawings and specific embodiments further
Ground description.
A kind of heart hydrops as depicted in figs. 1 and 2 aspirates needle tubing, including syringe 1, first piston 2,7 and of the first pull rod
Syringe needle 3, the first piston 2 are built in syringe 1 and match with 1 inner wall of syringe, and first piston 2 divides syringe 1 for negative pressure cavity
With non-negative pressure cavity；One end face of the first piston 2 connects the first pull rod 7, the other end connecting needle 3 of first piston 2, needle
The lower end of first 3 extended syringe 1；The mounting hole of perforation is offered at the center of the first pull rod 7 and first piston 2, in mounting hole
Equipped with the second pull rod 8, the end of the second pull rod 8 is connected with the second piston 6 being adapted to 1 inner wall of syringe needle, the outer end of second piston 6
It is connected with hose 4, equidistantly offers the deflector hole 5 being connected to negative pressure cavity on hose 4 in the axial direction.
Preferably, as shown in figure 3, the first piston 2 is provided with the through-hole of connection negative pressure cavity and non-negative pressure cavity, peace in through-hole
Equipped with reset spring 10, check valve 9 is set in reset spring 10.
Preferably, as shown in Figure 4 and Figure 5, the circumferentially-spaced multiple locating slots 101 in the lower end of the syringe 1, locating slot 101
Guide seats 1 are connected, guide seats 1 are in contact with human skin；The syringe needle 3 passes through guide seats 1.Preferably, described to lead
It include inner cylinder, multi-disc arc panel, and the annular roof plate of connection inner cylinder and arc panel, the circumferentially-spaced cloth of annular roof plate to pedestal 11
Multiple positioning pins 12 are set, positioning pin 12 is adapted with the locating slot 101 of 3 bottom of syringe；The syringe needle 3 is outside inner cylinder, inner cylinder
Aseptic cotton 14 is filled between wall and arc panel inner wall.Preferably, air drain 13 is equipped between two neighboring arc panel.Preferably, exist
Sucker 18 is arranged in the lower end of arc panel, and the bottom of sucker 18 has gas vent 16 (to adsorb the mistake contacted with human body in guide seats 11
Cheng Zhong, guide seats 11 carry out air circulation by air drain 13, reduce the probability of wound infection).Preferably, the positioning pin 12
On be connected with bandage 15, two bandages 15 are around passing through 17 connection of buckle after human body.In use, pinching the outer wall of guide seats 11
Internal air is discharged from gas vent 16, then 11 alignment cuts position of guide seats is compressed, after loosing one's grip, in guide seats 11
It is adsorbed under the action of sucker 18, at this time by bandage 15 around being fastened after patient body, as shown in Figure 6.
In the present embodiment, hose 4 is thin-wall construction, and the outer diameter of hose 4 is equal to the internal diameter of syringe needle 3；Drainage hole 5 is along hose 5
Axis direction equidistantly distributed；6 upper end of second piston sets screw rod 19, and threaded hole, second piston 6 are opened in the lower end of the second pull rod 8
It is threadedly coupled with the second pull rod 8；Between second pull rod 8 and hose 4 without rigid connection, hose 4 be inserted into the first pull rod 7 after by
Second pull rod 8 is carried out entering pericardium.
The working principle of the utility model are as follows: calculate the distance of human epidermal to pericardium by CT, intercept corresponding length
Hose 4, and it is connected to the end of the second pull rod 8；Guide seats 11 are mounted on operative site, then syringe 1 is inserted into guiding
(positioning pin 12 on the 101 alignment guide pedestal 11 of locating slot on syringe 1 is pressed when installation, so that 1 He of syringe in pedestal 11
Guide seats 11 link together), and punctured human epidermal muscle and pericardium epidermis by syringe needle 3, hose 4 is passed through at this time
Second pull rod 8 is inserted into pericardium；First piston 2 is pulled, intrapericardial hydrops enters hose 4 and enters needle through deflector hole
The negative pressure cavity of cylinder 1；After filling hydrops in syringe 1, the second pull rod 8 on hose 4 is backed out, by syringe 1 from guide seats 11
Replacement is extracted, hose 4 is inserted into out of syringe needle 3.After syringe 1 and guide seats 1 are detached from, hose 4 is mounted on guiding bottom
In seat 1.
Finally it should be noted that the above is only the preferred embodiment of the utility model, it is not limited to practical
It is novel, although the utility model is described in detail referring to embodiment, for those skilled in the art, according to
It is so possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes, but within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all include
It is within the protection scope of the utility model.
Claims (10)
1. a kind of heart hydrops aspirates needle tubing, which is characterized in that including syringe, first piston, the first pull rod and syringe needle, described the
One piston is built in syringe and matches with syringe inner wall, and syringe is divided into negative pressure cavity and non-negative pressure cavity by first piston；Described
One end face of one piston connects the first pull rod, the other end connecting needle of first piston, the lower end of the extended syringe of syringe needle；?
The center of first pull rod and first piston offers the mounting hole of perforation, is equipped with the second pull rod, the end of the second pull rod in mounting hole
Head is connected with the second piston being adapted to inner needle wall, and the outer end of second piston is connected with hose.
2. heart hydrops as described in claim 1 aspirates needle tubing, which is characterized in that offer on the hose and connect with negative pressure cavity
Logical deflector hole.
3. heart hydrops as described in claim 1 aspirates needle tubing, which is characterized in that the first piston is provided with connection negative pressure cavity
With the through-hole of non-negative pressure cavity, reset spring is installed in through-hole, sets check valve in reset spring.
4. heart hydrops as described in claim 1 aspirates needle tubing, which is characterized in that the lower end of the syringe is circumferentially-spaced multiple
Locating slot, locating slot connect guide seats, and the syringe needle passes through guide seats.
5. heart hydrops as claimed in claim 4 aspirates needle tubing, which is characterized in that the guide seats include inner cylinder, multi-disc
Arc panel, and the annular roof plate of connection inner cylinder and arc panel, the multiple positioning pins of the circumferentially-spaced arrangement of annular roof plate, positioning pin with
The locating slot of syringe bottom is adapted；The syringe needle passes through inner cylinder.
6. heart hydrops as claimed in claim 5 aspirates needle tubing, which is characterized in that sucker is arranged in the lower end of arc panel, inhales
Gas vent is arranged at the bottom of disk.
7. heart hydrops as claimed in claim 5 aspirates needle tubing, which is characterized in that filled out between inner tank theca and arc panel inner wall
Fill aseptic cotton.
8. heart hydrops as claimed in claim 5 aspirates needle tubing, which is characterized in that be equipped with gas between two neighboring arc panel
Slot.
9. heart hydrops as claimed in claim 5 aspirates needle tubing, which is characterized in that it is connected with bandage on the positioning pin, two
Root bandage is connected by a snap after bypassing human body.
10. heart hydrops as described in claim 1 aspirates needle tubing, which is characterized in that the second piston and the second pull rod spiral shell
Line connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821919785.2U CN209451013U (en) | 2018-11-21 | 2018-11-21 | A kind of heart hydrops suction needle tubing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821919785.2U CN209451013U (en) | 2018-11-21 | 2018-11-21 | A kind of heart hydrops suction needle tubing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209451013U true CN209451013U (en) | 2019-10-01 |
Family
ID=68037185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821919785.2U Expired - Fee Related CN209451013U (en) | 2018-11-21 | 2018-11-21 | A kind of heart hydrops suction needle tubing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209451013U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110801542A (en) * | 2019-11-08 | 2020-02-18 | 吉林大学 | Pericardial effusion drainage draw-out device for nursing of cardiology department |
-
2018
- 2018-11-21 CN CN201821919785.2U patent/CN209451013U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110801542A (en) * | 2019-11-08 | 2020-02-18 | 吉林大学 | Pericardial effusion drainage draw-out device for nursing of cardiology department |
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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 |
Granted publication date: 20191001 Termination date: 20211121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |