CN103126659B - Biatrial catheter - Google Patents
Biatrial catheter Download PDFInfo
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- CN103126659B CN103126659B CN201310068697.1A CN201310068697A CN103126659B CN 103126659 B CN103126659 B CN 103126659B CN 201310068697 A CN201310068697 A CN 201310068697A CN 103126659 B CN103126659 B CN 103126659B
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- water pocket
- extension pipe
- far
- individual cavity
- side opening
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Abstract
The invention relates to a medical instrument, in particular to a biatrial catheter. The biatrial catheter comprises extension tubes, a graduated tube body and a tube body with hydraulic pistons. The graduated tube body is a multi-cavity tube body, and cavities are respectively and independently communicated with the extension tube and are respectively fixed onto a far-end single tube. The tube body with the hydraulic piston comprises a migration part, a near-end hydraulic piston and a far-end hydraulic piston, the near-end hydraulic piston and the far-end hydraulic piston are communicated with the extension tubes through a same cavity, the tube body of the far-end hydraulic piston additionally contains two cavities, a main cavity is used for measuring pressure of a left atrium, side cavities are used for medication, after the hydraulic piston is waterflooded, the tube body with the hydraulic pistons is of an accumbent '8' shape, and the waist part of the tube body with the hydraulic pistons, namely, the migration part, is arranged at an atrial septum position. The biatrial catheter passes through double atriums, pressure measurement and medication of the double atriums can be performed, and accordingly better medical service is brought to patients, time and physical strength are saved for medical staff, therapeutic schedule is optimized, and medical resource is saved.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, specifically a kind of two atrial catheters that left atrium is inserted in right atrium and interatrial septum that pass through that carry out the pressure measurement of diplocardia room and injecting drug use.
Background technology
At present, department of cardiac surgery is conventional by central vein catheter measuring central venous pressure (CVP) and drug administration by injection.But CVP only reflects patient's effective circulating blood volume and right heart function, the left heart function that cannot reflect patient, although (this pressure is similar to PLA left atrial pressure, left auxocardia terminal pressure under physiological condition clinical, can to monitor pulmonary capillary wedge pressure by float catheter, thereby can react more accurately left heart function), but exist illness, positive airway pressure or tachycardic patient's pulmonary capillary wedge pressure cannot react PLA left atrial pressure for lung or Bicuspid valve, and these situations are very common in department of cardiac surgery, therefore, directly put the monitoring that pipe carries out PLA left atrial pressure and seem particularly important.
Current put pipe and only can carry out Venous system administration, cannot be through left atrium administration, there is its limitation: (1) after cardiac disorder operation in patients, often need while heart tonifying and expand blood vessel to improve cardiac function, for the infull patient of Severe Left Ventricular, heavy dose of catecholamines medicine can cause pulmonary vascular resistance to increase and pulmonary artery pressure raises; For the patient who merges pulmonary hypertension, heavy dose of medicine that reduces pulmonary artery pressure often reduces body circulating pressure simultaneously, and now give pressor agent, still first enter pulmonary circulation, cause the further rising of pulmonary artery pressure, both of these case is all put clinicist in awkward ground, clinical therapeutic efficacy is not good, and even some patients were needs ballon pump, external membrane lung Supporting Therapy, thereby has increased medical expense; (2) extracorporeal circulation stops cardiopulmonary bypass by with heparin some patients were, the untoward reaction such as serious blood pressure drops, airway resistance rising, amyocardia occurring in intravenous injection protamine, through left room administration, can obviously alleviate its impact on patient's hemodynamics and pulmonary ventilation, although can reach effect same by aortic root administration, but need in art aortic root puncture to connect after extension tube by the medical worker's administration under operating-table, increase operating procedure and time, and increased the chance of operating-table regional pollution.
The method that the left atrium adopting clinically is at present put pipe has: (1) through thoracic wall puncture, through pulmonary vein, insert left atrium, larger, and because the pressure of left atrium is relatively high, easily hemorrhage, after tube drawing, owing to losing the support of pipeline, easily there is calamitous massive hemorrhage, seldom use at present.(2) put and in art, by interatrial septum, insert left atrium after the central vein catheter in single chamber and carry out pressure measurement or administration, but owing to must carrying out CVP monitoring and central vein administration, put two conduits has increased preoperative operating procedure and time simultaneously, but also has increased patient's wound, risk and medical expense.In addition, due to heartthrob, this puts pipe and is easy to slide to right atrium and causes left room to put tube failure, or conduit further slips into left atrium, long conduit easily stimulates room wall to cause arrhythmia, What is more causes breaking of left atrium, and the patient for the displacement of Bicuspid valve mechanical valve prosthesis, also likely causes card lobe.Therefore in the urgent need to a kind of conduit that carries out the pressure measurement of diplocardia room and injecting drug use, can neither increase patient's wound simultaneously respectively through left and right atrium administration, not increase again medical personnel's operation easier, operating time and Operative risk.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the shortcoming of prior art, and a kind of pair of atrial catheter is provided, and can neither increase patient's wound simultaneously respectively through left and right atrium administration, do not increase again medical personnel's operation easier, operating time Operative risk.
The technical scheme that the present invention solves above technical problem is: a kind of pair of atrial catheter, comprise with scale body and be connected to extension pipe and the band water pocket body with scale body two ends, extension pipe is at least provided with five, be divided into the first extension pipe, the second extension pipe, the 3rd extension pipe, the prolongs pipe and the 5th extension pipe all round, the first extension pipe is for water filling, the 3rd extension pipe and the 5th extension pipe connect pressure tester through the row continuous pressure measurement in He You room, left room, the second extension is effective does left atrium administration, prolongs the effective central vein administration of doing all round, the proximal port of each extension pipe is all connected to extension pipe joint, with the individual cavity being provided with along its length in scale body with extension pipe equal number, with scale body, near the far-end tube wall with water pocket body, be provided with at least two side opening openings, be divided into the 4th side opening opening and the 5th side opening opening, the 4th side opening opening and the prolongs all round pipe and is communicated with, the 5th side opening opening is communicated with the 5th extension pipe, band water pocket body is by main lumen, near-end water pocket part, the part of dividing a word with a hyphen at the end of a line of not expanding after far-end water pocket part and connection near-end water pocket part and far-end water pocket part and water filling forms, main lumen is from near-end water pocket, dividing a word with a hyphen at the end of a line, part and far-end water pocket are middle to be passed, band water pocket body section far away tube wall is provided with a side opening opening, with the side opening opening on water pocket body section far away tube wall, be connected with the continuity of an individual cavity with in scale body, and be connected with the first extension pipe, the part of dividing a word with a hyphen at the end of a line, the water pocket of the water pocket of near-end water pocket part and far-end water pocket part is communicated with the first extension pipe by the individual cavity with in scale body,
The proximal port of each individual cavity all connects respectively the far distance port of an extension pipe, wherein the far distance port of at least two individual cavity is connected to respectively the side opening opening being opened in on scale body distal tube wall, the far-end continuity of an individual cavity in its excess-three individual cavity becomes main lumen, the far-end that the far distance port of main lumen terminates in water pocket body becomes main chamber opening, and be communicated with the 3rd extension pipe, the inner chamber of the part of dividing a word with a hyphen at the end of a line is communicated with the water pocket of near-end water pocket part and the water pocket of far-end water pocket part, and be communicated with the continuity of the far distance port of another individual cavity in its excess-three individual cavity, the far-end of last individual cavity in its excess-three individual cavity continues and is connected to the side opening opening on water pocket body section far away tube wall.
The technical scheme that the present invention further limits is: aforesaid pair of atrial catheter, also comprise Connection Block, and extension pipe is by the body of Connection Block connecting band scale.
Aforesaid pair of atrial catheter, the body of extension pipe is provided with clip.
Aforesaid pair of atrial catheter, with being the figure of eight of accumbency after the water filling of water pocket body, its waist is divided a word with a hyphen at the end of a line and is partly positioned at the place, interatrial septum of left atrium.
Aforesaid pair of atrial catheter, adopts soft head with the end of water pocket body, thereby reduces in piercing process blood vessel wall, endocardial injury.
Aforesaid pair of atrial catheter, band water sac tube body length is 22mm, wherein near-end water pocket and each 8mm of far-end water pocket, the long 3mm of the part of dividing a word with a hyphen at the end of a line, is with the long 3mm of water pocket body end, thereby has guaranteed that conduit enters left atrium and is no more than 15mm.
The invention has the beneficial effects as follows: (1) by one-time puncture, can carry out two atrial pressure monitorings and administration; (2) when not needing the monitoring of PLA left atrial pressure power or administration, the water pocket of finding time slowly exits conduit under the condition of diplocardia room pressure measurement, when the pressure measurement of diplocardia room equates, stops exiting conduit, and now conduit has retreated to right atrium, thereby keeps somewhere as central vein catheter; (3) atrial septal puncture place relies near the tension force Natural closure of the related interatrial septum of suture tissue around, the unlikely atrial septal defect that causes.
The present invention designs ingenious, simple in structure, convenient and practical, has avoided repeatedly deep vein puncture, and easy to use, safe, has improved work efficiency, saves medical resource, and does not increase patient's wound, can further improve medical service quality.In a word, the present invention can neither increase patient's wound simultaneously respectively through left and right atrium administration, does not increase again medical personnel's operation easier, operating time and Operative risk.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is with the structural representation after the body water filling of water pocket.
Fig. 3 is the sectional view with scale body.
The specific embodiment
Embodiment 1
The present embodiment provides a kind of pair of atrial catheter, and structure as shown in Figure 1, comprises with scale body 5 and be connected to extension pipe 3 and the band water pocket body 6 with scale body two ends, and also comprise Connection Block 4, extension pipe 3 is by the body 5 of Connection Block 4 connecting band scales.Extension pipe 3 is provided with five, is divided into the first extension pipe A, the second extension pipe B, the 3rd extension pipe C, the and prolongs all round pipe D and the 5th extension pipe E, and the near-end of each extension pipe is all connected to extension pipe joint 1, and the body of extension pipe 3 is provided with clip 2.With the cross section of scale body as shown in Figure 3, with the individual cavity 7 that is provided with along its length five in scale body 5, with scale body 5, near the far away section of tube wall with water pocket body 6, be provided with two side opening openings, be divided into the 4th side opening opening d and the 5th side opening opening e.With water pocket body 6, by main lumen 11, near-end water pocket part 8, far-end water pocket part 9 and connect the part 10 of dividing a word with a hyphen at the end of a line of not expanding after near-end water pocket part 8 and far-end water pocket part 9 and water filling and form, main lumen 11 passes in the middle of near-end water pocket 8, the part of dividing a word with a hyphen at the end of a line 10 and far-end water pocket 9; After 6 water fillings of band water pocket body, structure as shown in Figure 2, is the figure of eight of accumbency, and its waist part 10 of dividing a word with a hyphen at the end of a line is positioned at the place, interatrial septum of left atrium; End with water pocket body 6 adopts soft head, thereby reduces in piercing process blood vessel wall, endocardial injury.The 4th side opening opening d and the prolongs all round pipe D and is communicated with, the 5th side opening opening e is communicated with the 5th extension pipe E, main lumen 11 is the continuity with an individual cavity in scale body 5, and be communicated with the 3rd extension pipe C, the far-end that the far distance port of main lumen 11 terminates in water pocket body 6 becomes main chamber opening c, the inner chamber of the part of dividing a word with a hyphen at the end of a line 10 is communicated with the water pocket of near-end water pocket part 8 and the water pocket of far-end water pocket part 9, the part 10 of dividing a word with a hyphen at the end of a line, the water pocket of the water pocket of near-end water pocket part 8 and far-end water pocket part 9 is communicated with the first extension pipe A by an individual cavity with in scale body 5, 6 far away sections of tube walls of band water pocket body are provided with a side opening opening b, with the side opening opening b on 6 far away sections of tube walls of water pocket body, be connected with the continuity of an individual cavity with in scale body 5, and be connected with the first extension pipe B.
Like this, during use, according to the piercing method of internal jugular vein or subclavian vein, conduit is inserted in central vein, placed-depth is slightly deeper than central vein catheter, in operation, surgical doctor is opened after right atrium, conduit is inserted to left atrium through interatrial septum fossa ovalis, guarantee to divide a word with a hyphen at the end of a line part for passing through interatrial septum part, look at the hydropexis of making a bet straight, two extension pipes connect respectively pressure tester through the row continuous pressure measurement in He You room, left room, extension is effective does left atrium administration, extension is effective does central vein administration, and extension is effective does water filling; Distal end of catheter is the body with water pocket, by water pocket water filling A/C, even the utricule also catastrophic consequence of unlikely generation of breaking in the situation of seldom seeing.Conduit enters left atrium by fossa ovalis place, interatrial septum, and the thinnest (1mm) organized in interatrial septum herein, and is the conventional approach of the left heart operation of Cardiac Surgery, without conductive beam, passes through; After water filling, due to the support of both sides water pocket, make body relatively fixing, thereby avoided conduit slip, also avoided the stimulation to atrium, interatrial septum.
The body length of water pocket is 22mm, wherein near-end water pocket 8 and each 8mm of far-end water pocket 9 parts, the long 3mm of the part of dividing a word with a hyphen at the end of a line 10, catheter tip 3mm, thus guaranteed that conduit enters left atrium and is no more than 15mm, after water filling due to the support of both sides water pocket, catheter tip points to chamber, left room, body is relatively fixing simultaneously, thereby has avoided conduit slip, has also avoided the stimulation to atrium, interatrial septum.
During use, according to the piercing method of internal jugular vein or subclavian vein, conduit is inserted in central vein, placed-depth is slightly deeper than central vein catheter, in operation, surgical doctor is opened after right atrium, conduit is inserted to left atrium through interatrial septum fossa ovalis, guarantee to divide a word with a hyphen at the end of a line part 10 for passing through interatrial septum part, look at the hydropexis of making a bet straight, main chamber opening c and side opening e are used separately as left and right atrium pressure measurement, and the material that its official jargon employing has good communication pressure makes to ensure the accuracy of pressure measurement; Extension pipe A is for water filling, and extension pipe C and E connect pressure tester through the row continuous pressure measurement in He You room, left room, and extension pipe B is as left atrium administration, and extension pipe D is as central vein administration.
Distal end of catheter is the body with water pocket, by water pocket water filling A/C, even the utricule also catastrophic consequence of unlikely generation of breaking in the situation of seldom seeing.Conduit enters left atrium by fossa ovalis place, interatrial septum, and the thinnest (1mm) organized in interatrial septum herein, and is the conventional approach of the left heart operation of Cardiac Surgery, without conductive beam, passes through; With the body of the water pocket partial width of dividing a word with a hyphen at the end of a line, be set as 2-3mm, after water filling, due to the support of both sides water pocket, make body relatively fixing, thereby avoided conduit slip, also avoided the stimulation to atrium, interatrial septum.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (6)
1. a two atrial catheter, it is characterized in that: comprise band scale body (5) and be connected to extension pipe (3) and the band water pocket body (6) with scale body two ends, described extension pipe (3) is at least provided with five, be divided into the first extension pipe (A), the second extension pipe (B), the 3rd extension pipe (C), prolongs pipe (D) and the 5th extension pipe (E) all round, described the first extension pipe (A) is for water filling, described the 3rd extension pipe (C) and described the 5th extension pipe (E) connect pressure tester through the row continuous pressure measurement in He You room, left room, described the second extension pipe (B) is as left atrium administration, described the prolongs pipe (D) all round as central vein administration, the proximal port of each extension pipe is all connected to extension pipe joint (1), in described band scale body (5), be provided with along its length the individual cavity with described extension pipe (3) equal number, described band scale body (5) is provided with at least two side opening openings (e and d) near the far-end tube wall of band water pocket body (6), be divided into the 4th side opening opening (d) and the 5th side opening opening (e), described the 4th side opening opening (d) and prolongs all round pipe (D) and is communicated with, described the 5th side opening opening (e) is communicated with the 5th extension pipe (E), described band water pocket body (6) is by main lumen (11), near-end water pocket part (8), the part (10) of dividing a word with a hyphen at the end of a line of not expanding after far-end water pocket part (9) and connection near-end water pocket part (8) and far-end water pocket part (9) and water filling forms, described main lumen (11) is from near-end water pocket (8), dividing a word with a hyphen at the end of a line, part (10) and far-end water pocket (9) are middle to be passed, described band water pocket body (6) section far away tube wall is provided with a side opening opening (b), side opening opening (b) on described band water pocket body (6) section far away tube wall is connected with the continuity of an individual cavity in band scale body (5), and be connected with the first extension pipe (A), the described part (10) of dividing a word with a hyphen at the end of a line, the water pocket of the water pocket of near-end water pocket part (8) and far-end water pocket part (9) is communicated with described the first extension pipe (A) by the described individual cavity in band scale body (5),
The proximal port of each individual cavity all connects respectively the far distance port of an extension pipe, wherein the far distance port of at least two individual cavity is connected to respectively the side opening opening (e and d) being opened on described band scale body (5) far-end tube wall, the far-end continuity of an individual cavity in its excess-three individual cavity becomes described main lumen (11), the far-end that the far distance port of described main lumen (11) terminates in described band water pocket body (6) becomes main chamber opening (c), and be communicated with the 3rd extension pipe (C), the inner chamber of the described part (10) of dividing a word with a hyphen at the end of a line is communicated with the water pocket of near-end water pocket part (8) and the water pocket of far-end water pocket part (9), and be communicated with the continuity of the far distance port of another individual cavity in described its excess-three individual cavity, the far-end of last individual cavity in described its excess-three individual cavity continues and is connected to the side opening opening (b) on described band water pocket body (6) section far away tube wall.
2. as claimed in claim 1 pair of atrial catheter, is characterized in that: also comprise Connection Block (4), described extension pipe (3) connects the described body with scale (5) by described Connection Block (4).
3. as claimed in claim 1 pair of atrial catheter, is characterized in that: the body of described extension pipe (3) is provided with clip (2).
4. as claimed in claim 1 pair of atrial catheter, is characterized in that: after described band water pocket body (6) water filling, be the figure of eight of accumbency, its waist part (10) of dividing a word with a hyphen at the end of a line is positioned at the place, interatrial septum of left atrium.
5. as claimed in claim 1 pair of atrial catheter, is characterized in that: the end of described band water pocket body (6) adopts soft head.
6. as claimed in claim 1 pair of atrial catheter, is characterized in that: described band water sac tube body length is 22mm, wherein near-end water pocket (8) and each 8mm of far-end water pocket (9), the part of dividing a word with a hyphen at the end of a line (10) long 3mm, the long 3mm of described band water pocket body end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310068697.1A CN103126659B (en) | 2013-03-04 | 2013-03-04 | Biatrial catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310068697.1A CN103126659B (en) | 2013-03-04 | 2013-03-04 | Biatrial catheter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103126659A CN103126659A (en) | 2013-06-05 |
| CN103126659B true CN103126659B (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310068697.1A Expired - Fee Related CN103126659B (en) | 2013-03-04 | 2013-03-04 | Biatrial catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103126659B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107773845B (en) * | 2016-08-30 | 2024-05-03 | 张澍 | Temporary pacing catheter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1802184A (en) * | 2003-03-18 | 2006-07-12 | 凯瑟罗斯医疗***公司 | Methods and devices for retrieval of a medical agent from a physiological efferent fluid collection site |
| CN2759379Y (en) * | 2004-11-26 | 2006-02-22 | 佛山市特种医用导管有限责任公司 | Thermal dilution float catheter |
| WO2009150099A1 (en) * | 2008-06-10 | 2009-12-17 | Bavaria Medizin Technologie Gmbh | Scoring catheter for treating diseased heart valves |
| DE102010003853B4 (en) * | 2010-04-12 | 2019-02-21 | Bundesdruckerei Gmbh | Method of reading data from a document, reader, document and electronic system |
| CN203154560U (en) * | 2013-03-04 | 2013-08-28 | 李芝 | Biatrial catheter |
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2013
- 2013-03-04 CN CN201310068697.1A patent/CN103126659B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN103126659A (en) | 2013-06-05 |
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Granted publication date: 20141203 Termination date: 20200304 |