CN201755226U - Left and right atrium combined piezometer tube - Google Patents
Left and right atrium combined piezometer tube Download PDFInfo
- Publication number
- CN201755226U CN201755226U CN2010202127004U CN201020212700U CN201755226U CN 201755226 U CN201755226 U CN 201755226U CN 2010202127004 U CN2010202127004 U CN 2010202127004U CN 201020212700 U CN201020212700 U CN 201020212700U CN 201755226 U CN201755226 U CN 201755226U
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- catheter
- microtubular
- pressure measurement
- left atrium
- pressure
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Abstract
The utility model discloses a left and right atrium combined piezometer tube, comprising a catheter adapter, at least one extension tube, one end of which is connected to the catheter adapter, an IV lock connected to the catheter adapter, a liquid stop clip which sleeves on the extension tube, a connecting base, a tube body with a tip, a sheath which sleeves on the tube body, a piezometer micro-catheter and a supporting steel wire. The utility model is characterized in that the other end of the extension tube is communicated with the tube body through the connecting base; the piezometer micro-catheter traverses through the extension tube and the tube body and one end of the piezometer micro-catheter extends outside of the tip of the tuber body; the supporting steel wire can support the piezometer micro-catheter to enter a left atrium. The utility model is advantageous in that through the piezometer micro-catheter, the pressure measuring of the left atrium can be facilitated without using a floating catheter; when a continuous monitoring on the pressure of the left atrium is not required, the piezometer micro-catheter can be pulled out without moving the catheter; the operation difficulty is reduced; complications and accidental dangers to patients are reduced.
Description
Technical field
This utility model belongs to the medical assistance apparatus of diagnosis and treatment technical field, relates in particular to a kind of left atrium associating pressure-measuring pipe.
Background technology
In the actual clinical operation process, in time monitor patient's blood pressure and take correct therapeutic scheme and remedial measure that important reference frame is provided for the doctor.
The method of measuring at present directly LPA has: 1, place single lumen central venous catheter to the left atrium method through thoracic wall from right superior pulmonary vein, owing to there is danger of bleeding behind the tube drawing, this method is seldom used at home; 2, place single lumen central venous catheter at right atrium through superior vena cava, through the atrial septum left atrium method is put at the central venous catheter tip in the art, this is the method for the main left atrial pressure monitoring in Fuwai Hospital.Because the conventional cardiac operation needs to keep somewhere 1 two-chamber or three chamber central venous catheters at superior vena cava, use in order to surveying venous pressure, blood transfusion fluid infusion and administration in the operation, so often need puncture and intubation once more, the problem that not only has puncture difficulty, increase wound for young infant, also have superior vena cava to insert two central venous catheters, during operation, the difficulty and the postoperative that cause the surgeon to place the epicoele drainage catheter easily cause the superior vena cava thrombosis adverse consequences to occur.3, the main chamber opening of three chamber central venous catheters is put into the left atrium method, though this method only needs once holding tube.But stopping the left atrium pressure measurement, when withdrawing from the catheter segment that left atrium inserts, needing to move whole three chamber central venous catheters, easily like this causing other two chamber side openings to break away from blood vessels causing serious problems such as medicine liquid leakage.
In clinical operation, general by central venous catheter inspection center venous pressure, pulmonary artery pressure, left coronary artery equal pressure parameter, the float catheters of costliness that use are monitored left atrium pressure more, under existing medical condition, can't use float catheter to monitor baby's left atrium pressure, in baby's operation on heart, keeping somewhere pressure catheter is the comparison difficulty at left atrium, and may bring severe complications.
The utility model content
Problem to be solved in the utility model provides a kind of economical and practical, easy to operate, pressure catheter of left atrium associating safely and reliably, is intended to solve the young infant operation on heart and keeps somewhere left atrium pressure measurement difficulty and the many problems of severe complication.
In order to solve above-mentioned technical problem, the technical solution of the utility model is: a kind of left atrium associating pressure catheter, comprise catheter adapter, at least one extension pipe that one end links to each other with described catheter adapter, be connected the injection cap in the catheter adapter, be set in the liquid stopping clamp on the described extension pipe, Connection Block, the body that contains a tip, the described extension pipe other end is connected by Connection Block with described body and communicates, also comprise a pressure measurement microtubular and a supporting steel wire, described pressure measurement microtubular runs through described extension pipe and described body and an end and stretches out described body tip, and described supporting steel wire places described pressure measurement microtubular inside.
Further, described supporting steel wire one end stretches out described body tip and slightly is shorter than described pressure measurement microtubular.
Further, described supporting steel wire is a stainless steel silk.
Further, described pressure measurement microtubular is made for the PEBAX material.
Further, the other end of described pressure measurement microtubular has a joint, and described joint is connected with described catheter adapter.
Further, the other end of described supporting steel wire has a joint, and described joint is connected with the joint of described pressure measurement microtubular.
Further, also comprise a sheath, described sheath is set in the pressure measurement microtubular outside before described body and the described body tip.
A kind of left atrium associating pressure catheter that this utility model provides, supporting steel wire can support the pressure measurement microtubular and enter left atrium, by the pressure measurement microtubular, can record left atrial pressure easily, avoid using float catheter, economical convenient, and the joint of pressure measurement microtubular is connected with catheter adapter, when not needing the continuous monitoring left atrial pressure, the pressure measurement microtubular joint of can outwarding winding is extracted the pressure measurement microtubular out, and is not needed mobile conduit, reduce operation easier, reduce the unexpected dangerous of complication and patient.
Description of drawings
Fig. 1 is the structure chart of the left atrium associating pressure catheter that provides of this utility model embodiment;
Fig. 2 is the pressure measurement microtubular that provides of this utility model embodiment and the structure chart of supporting steel wire.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, this utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation this utility model, and be not used in qualification this utility model.
As illustrated in figs. 1 and 2, a kind of left atrium associating pressure catheter that this utility model provides, comprise catheter adapter 4, the extension pipe 3 that one end links to each other with catheter adapter 4, be connected the injection cap 2 in the catheter adapter 4, be set in the liquid stopping clamp 5 on the extension pipe 3, Connection Block 6, body 7, be enclosed within the sheath 10 of body 7 outsides, extension pipe 3 other ends are connected by Connection Block 6 with body 7 and communicate, this utility model also comprises a pressure measurement microtubular 9 and a supporting steel wire 11, pressure measurement microtubular 9 runs through extension pipe 3 and body 7 and an end and stretches out body tip 71, supporting steel wire 11 places pressure measurement microtubular 9 inside, can support pressure measurement microtubular 9 and enter left atrium, by pressure measurement microtubular 9, can record left atrial pressure, economical convenient, in the present embodiment, pressure measurement microtubular 9 runs through the lumen extension pipe 3 and the body 7 of three chamber central venous catheters, and the length of stretching out body tip 71 is 70mm, about two chamber extension pipes 3 be connected the other end of two cavities conduit pipe joints 4 about injection cap 2 is set in catheter adapter 4 one ends.
Further, as shown in Figure 2, supporting steel wire 11 1 ends stretch out body most advanced and sophisticated 71 and slightly are shorter than pressure measurement microtubular 9, in the present embodiment, supporting steel wire 11 stretches out an end at body tip 71 stretches out body tip 71 than pressure measurement microtubular 9 the short 5mm of an end, avoid supporting steel wire 11 to be exposed, organ in the mistake nematophore.
Preferably, supporting steel wire 11 is stainless steel silks, and in the present embodiment, the diameter of supporting steel wire 11 is 0.2mm, and it has strong propelling movement ability and detects performance, can deliver to left atrium to pressure measurement microtubular 9.
Preferably, pressure measurement microtubular 9 is to make with the PEBAX material, have good toughness and surface smoothness, and has a performance of good transmission pressure, loss was minimum and undistorted when pressure was transmitted in pressure measurement microtubular 9, in the present embodiment, the external diameter of pressure measurement microtubular 9 is between 0.70mm-0.75mm, and internal diameter is more than 0.35mm.
Further, the other end of pressure measurement microtubular 9 has the joint 1 of a band male and female union joint, pressure measurement microtubular 9 is bonded on the joint 1, joint 1 is connected with catheter adapter 4, can be fixing pressure measurement microtubular 9, simultaneously, joint 1 jointing 12, can fixed support steel wire 11, when not needing the continuous monitoring left atrial pressure, can swivel joint 1, extract pressure measurement microtubular 9 out, at this moment, conduit is identical with the performance of general central venous catheter, can be used as central venous catheter and uses, and the process of extracting pressure measurement microtubular 9 out does not need mobile conduit, reduce operation easier, reduce the unexpected dangerous of complication and patient.
Further, the other end of supporting steel wire 11 has a joint 12, and supporting steel wire 11 is fixed on the joint 12, and joint 12 is connected with joint 1, and when pressure measurement microtubular 9 was delivered to desired location, swivel joint 12 was extracted supporting steel wire 11 out.
Further, also comprise a sheath 10, described sheath 10 be set in before described body 7 and the described body most advanced and sophisticated 71 pressure measurement microtubular 9 outsides, avoid body 7 and pressure measurement microtubular 9 infected.
Under extracorporeal circulation, often need detect left atrium simultaneously behind the operation on heart, to judge surgical effect and to instruct transfusion and medication, in practice, can so operate: before extracorporeal circulation, pressure measurement microtubular 9 is retained in the right atrium earlier, after cardiac surgery procedure finishes, by the surgeon pressure measurement microtubular 9 is put into left atrium 10-20mm through the atrial septum, fix with purse string suture, like this, behind recovering beat of heart, just can also can give medicine at critically ill patient or emergency resuscitation patient by pressure measurement microtubular 9 continuous monitoring left atrial pressures by pressure measurement microtubular 9.
This utility model embodiment is a three cavities conduit pipe; it can certainly be other multi-cavity catheter; as long as adopted left atrium pressure measurement microtubular; it also comprises pressure measurement microtubular 9 and supporting steel wire 11; pressure measurement microtubular 9 runs through extension pipe 3 and body 7 and an end and stretches out body tip 71; supporting steel wire 11 places pressure measurement microtubular 9 inside, all drops on protection domain of the present utility model.
The above only is preferred embodiment of the present utility model; not in order to restriction this utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. a left atrium is united pressure catheter, comprise catheter adapter, at least one extension pipe that one end links to each other with described catheter adapter, be connected the injection cap in the described catheter adapter, be set in the liquid stopping clamp on the described extension pipe, Connection Block, the body that contains a tip, the described extension pipe other end is connected by Connection Block with described body and communicates, it is characterized in that: also comprise a pressure measurement microtubular and a supporting steel wire, described pressure measurement microtubular runs through described extension pipe and described body and an end and stretches out described body tip, and described supporting steel wire places described pressure measurement microtubular inside.
2. a kind of left atrium associating pressure catheter as claimed in claim 1, it is characterized in that: described supporting steel wire one end stretches out described body tip and slightly is shorter than described pressure measurement microtubular.
3. a kind of left atrium associating pressure catheter as claimed in claim 1 or 2, it is characterized in that: described supporting steel wire is a stainless steel silk.
4. a kind of left atrium associating pressure catheter as claimed in claim 1, it is characterized in that: described pressure measurement microtubular is made for the PEBAX material.
5. a kind of left atrium associating pressure catheter as claimed in claim 1, it is characterized in that: the other end of described pressure measurement microtubular has a joint, and described joint is connected with described catheter adapter.
6. a kind of left atrium associating pressure catheter as claimed in claim 1, it is characterized in that: the other end of described supporting steel wire has a joint, and described joint is connected with the joint of described pressure measurement microtubular.
7. a kind of left atrium associating pressure catheter as claimed in claim 1 is characterized in that: also comprise a sheath, described sheath is set in the pressure measurement microtubular outside before described body and the described body tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202127004U CN201755226U (en) | 2010-05-26 | 2010-05-26 | Left and right atrium combined piezometer tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202127004U CN201755226U (en) | 2010-05-26 | 2010-05-26 | Left and right atrium combined piezometer tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201755226U true CN201755226U (en) | 2011-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202127004U Expired - Lifetime CN201755226U (en) | 2010-05-26 | 2010-05-26 | Left and right atrium combined piezometer tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201755226U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102743163A (en) * | 2012-01-10 | 2012-10-24 | 陈宇 | Double-atrium pressure measuring and medicine injection catheter |
| CN106178232A (en) * | 2016-07-06 | 2016-12-07 | 河南驼人医疗器械集团有限公司 | A kind of thermometric central venous catheter |
| CN111315285A (en) * | 2017-08-31 | 2020-06-19 | 皇家飞利浦有限公司 | Sensing guidewire with integrated proximal locking feature |
-
2010
- 2010-05-26 CN CN2010202127004U patent/CN201755226U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102743163A (en) * | 2012-01-10 | 2012-10-24 | 陈宇 | Double-atrium pressure measuring and medicine injection catheter |
| CN106178232A (en) * | 2016-07-06 | 2016-12-07 | 河南驼人医疗器械集团有限公司 | A kind of thermometric central venous catheter |
| CN111315285A (en) * | 2017-08-31 | 2020-06-19 | 皇家飞利浦有限公司 | Sensing guidewire with integrated proximal locking feature |
| CN111315285B (en) * | 2017-08-31 | 2023-06-06 | 皇家飞利浦有限公司 | Sensing guidewire with integrated proximal locking feature |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110309 |