CN213789219U - Filter and autoblood return device for acute pericardial tamponade - Google Patents

Abstract

The utility model provides a filter and acute pericardium are clogged with autologous blood feedback device, the utility model provides a filter is installed between the second transfer line that constitutes the first transfer line of blood input and blood output, wherein, the filter includes the closing cap, through the inner tube of closing cap and first transfer line intercommunication, sets up the filtration membrane in the inner tube to and adorn admittedly on the closing cap and the outer tube outside the inner tube is located to the spacer sleeve. And an inner tube outlet is arranged at the bottom of the inner tube, and an overflow outlet is arranged on the side wall of the inner tube close to the top of the inner tube. The outlet of the inner tube is communicated with the second infusion tube through the outer tube. The utility model discloses a filter is favorable to showing the interior jam condition of filter in the direct feedback of pericardial drainage liquid to in time change. The utility model provides an acute pericardium is clogged with autologous blood feedback device is favorable to improving acute heart and is clogged salvage efficiency and success rate, reduces the storehouse blood and uses, practices thrift the blood resource to avoid the complication of a large amount of allogenic blood infusions.

Description

Filter and autoblood return device for acute pericardial tamponade

Technical Field

The utility model relates to the field of medical equipment, in particular to filter. The utility model discloses still relate to an acute pericardium is clogged with autologous blood feedback device.

Background

Acute cardiac tamponade refers to a clinical syndrome in which the pressure in the pericardium is obviously increased due to the accumulation or abnormal increase of fluid in the pericardium, the diastolic filling of the ventricles is limited, and venous blood cannot flow back sufficiently, so that the systemic circulation pressure is increased, the amount of returned blood is reduced, and the stroke output is reduced. Untimely treatment can cause tachycardia, blood pressure reduction, sudden cardiac output reduction and the like, and even acute circulatory failure and shock occur to threaten life. Acute pericardium hematocele is one of the causes of acute pericardial tamponade, and can occur in cases of heart trauma, heart rupture after acute myocardial infarction, and the like. The most effective treatment for acute cardiac tamponade is immediate pericardiocentesis drainage, and replenishment of blood volume, correction of acidosis. However, the prior art can not monitor the pressure of the pericardial cavity in real time and directly filter and return the drainage fluid, which leads to waste of blood resources and various complications of massive allogeneic blood transfusion, and increases the death risk of patients due to untimely blood transfusion. Therefore, the direct return transfusion after the pericardium hematocele is filtered can obviously improve the rescue efficiency and the success rate, save blood products and avoid allogenic blood transfusion complications. The existing autoblood reinfusion device is difficult to realize effective filtration and direct reinfusion of the pericardial hematocele, the filter blockage may cause insufficient filtration, and impurities in the reinfusion drainage fluid may cause severe conditions such as blood coagulation reaction and the like.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to a filter, which is beneficial to displaying the blocking condition in the filter during the direct transfusion of the pericardial drainage fluid caused by acute pericardial hematocele, so as to facilitate the timely replacement.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a filter is arranged between a first infusion tube forming blood input and a second infusion tube forming blood output, and comprises a sealing cover, an inner tube communicated with the first infusion tube through the sealing cover, a filtering membrane arranged in the inner tube, and an outer tube fixedly arranged on the sealing cover and sleeved outside the inner tube at intervals; an inner pipe outlet is formed at the bottom of the inner pipe, and an overflow outlet is formed in the side wall of the inner pipe close to the top of the inner pipe; the outlet of the inner tube is communicated with the second infusion tube through the outer tube.

Furthermore, a connecting pipe is inserted on the sealing cover; when the sealing cover is arranged on the inner pipe, the bottom end of the connecting pipe positioned in the inner pipe extends to the lower part of the overflow outlet.

Furthermore, an external thread is formed on the outer surface of the connecting pipe, and the connecting pipe is screwed on the first infusion tube.

Further, the inner tube outlet extends into the outer tube outlet of the outer tube and is spaced from an inner wall of the outer tube outlet.

Furthermore, an external thread is formed on the outlet of the outer tube, and the outer tube is screwed on the second infusion tube.

Compared with the prior art, the utility model discloses following advantage has:

(1) the filter set up the outer tube of outer tube including inner tube and spacer sleeve establish to the position that is close to the top at the inner tube still is equipped with a plurality of overflow outlets, when the filter screen membrane of filter blockked up, blood can spill over to the outer tube in, so that medical personnel judge through the jam condition in the direct feedback of the pericardium drainage liquid that acute pericardium hematocele caused in the direct feedback.

(2) The connecting pipe is arranged to connect the first infusion pipe and guide blood to the inner pipe, and meanwhile, the phenomenon that the blood directly flows out of the overflow outlet to the outer pipe due to contact with the inner wall of the inner pipe when entering the inner pipe can be avoided.

(3) The outer surface of the connecting pipe is provided with an external thread, and the outer pipe outlet is provided with an external thread, so that the filter can be mounted on the first infusion pipe and the second infusion pipe, and the filter can be conveniently detached and replaced.

Another object of the utility model is to provide an acute pericardium is clogged with autologous blood feedback device, including blood bag puncture ware and vein puncture ware, blood bag puncture ware extremely communicate in proper order between the vein puncture ware and be provided with first tee bend interface, second tee bend interface the utility model discloses in the filter and the third tee bend interface that provide, and with first tee bend interface with the intercommunication has the third transfer line between the third tee bend interface.

Furthermore, a second infusion tube is arranged between the filter and the third three-way connector, and a flow regulator is arranged on the second infusion tube.

Furthermore, a second liquid stopping clamp is arranged on the first infusion tube, and a first liquid stopping clamp is arranged on the third infusion tube.

Furthermore, a disassembly mechanism is arranged on the fourth infusion tube.

Furthermore, the disassembly mechanism comprises a base and a convex shaft, wherein the middle part of the base and the convex shaft are sequentially communicated, the shaft sleeve is connected with the venipuncture device and can be sleeved outside the convex shaft, and the base is communicated with a fourth infusion tube.

Compared with the prior art, the utility model provides an acute pericardium is clogged with autologous blood feedback device has following advantage:

(1) acute pericardium pad with autologous blood feedback device, through mutually supporting of the blood bag puncture ware, filter, first transfer line and the vein puncture ware that sets up, be favorable to improving acute heart and press rescue efficiency and the success rate of stopper, reduce storehouse blood and use, save blood resource to avoid the complication of a large amount of allogenic blood infusions.

(2) The flow regulator can change the speed of transfusion of normal saline or blood through manual regulation, has simple structure and convenient operation, and can realize stepless speed regulation.

(3) The third infusion tube is arranged to help realize the storage of autologous blood so as to be used for blood return transfusion.

(4) The first liquid stopping forceps and the second liquid stopping forceps are arranged, so that the switching control of the storage and the reinfusion of autologous blood is realized, and the usability of the device is more flexible.

(4) The quick-release mechanism is convenient for the disassembly and the replacement of the venipuncture outfit.

(5) The design of the clamping point and the clamping groove is convenient for the clamping and the dismounting of the quick-release mechanism.

Acute pericardium is clogged and is had the same beneficial effect for prior art with autologous blood feedback device and aforementioned filter.

Drawings

The accompanying drawings, which form a part of the present disclosure, are provided to provide a further understanding of the present disclosure, and the exemplary embodiments and descriptions thereof are provided to explain the present disclosure, wherein the related terms in the front, back, up, down, and the like are only used to represent relative positional relationships, and do not constitute an undue limitation of the present disclosure. In the drawings:

fig. 1 is a schematic structural diagram of a filter according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of an autologous blood transfusion device for acute pericardial tamponade according to the second embodiment of the present invention;

fig. 3 is a schematic structural view of a detaching mechanism according to a second embodiment of the present invention;

description of reference numerals:

1-a filter, 11-a first sealing ring, 12-a connecting pipe, 13-a sealing cover, 14-an inner pipe, 15-an outer pipe, 16-an overflow outlet, 17-a filtering membrane, 18-an outer pipe outlet and 19-a second sealing ring; 101-a first infusion tube, 102-a second infusion tube, 103-a third infusion tube, and 104-a fourth infusion tube; 2-blood bag puncture outfit; 3-a first three-way interface; 4-a second tee joint; 51-first liquid stopping forceps, 52-second liquid stopping forceps; 6-flow regulator; 7-a third tee joint; 8-dismounting mechanism, 31-base, 32-protruding shaft, 33-shaft sleeve, 34-protective sleeve, 35-protective plug; 9-venipuncture outfit.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, terms of left, right, up, down, and the like are used for convenience of description and are based on terms in the illustrated state, and should not be construed as limiting the structure of the present invention; references to first, second, etc. are also intended for convenience of description and are not intended to indicate or imply relative importance.

Example one

The embodiment relates to a filter, which is beneficial to displaying the blocking condition in the filter in the direct transfusion of pericardial drainage fluid caused by acute pericardium hematocele so as to facilitate the timely replacement. The filter is arranged between a first infusion tube forming blood input and a second infusion tube forming blood output, and comprises a sealing cover, an inner tube communicated with the first infusion tube through the sealing cover, a filtering membrane arranged in the inner tube, and an outer tube fixedly arranged on the sealing cover and sleeved outside the inner tube at intervals; an inner pipe outlet is formed at the bottom of the inner pipe, and an overflow outlet is formed in the side wall of the inner pipe close to the top of the inner pipe; the outlet of the inner tube is communicated with the second infusion tube through the outer tube.

Based on the above general structural principles, the present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments. The filter 1 of the present embodiment is installed between a first infusion tube 101, which constitutes the blood input, and a second infusion tube 102, which constitutes the blood output, one exemplary configuration of which is shown in fig. 1, and comprises a cap 13, an inner tube 14 and an outer tube 15. In this embodiment, the cover 13 is disposed in a tower shape, the inner tube 14 is fixedly mounted on a layer close to the cover 13, and the outer tube 15 is fixedly mounted on a layer far from the cover 13, meanwhile, in this embodiment, the inner tube 14 and the outer tube 15 are fixed on the cover 13 in a threaded connection manner, and other manners may be used to fix the inner tube 14 and the outer tube 15, as long as simple installation and stable structure are achieved.

In addition, the inner tube 14 in this embodiment can communicate with the first infusion tube 101 through the cap 13, a plurality of overflow outlets 16 are provided near the top of the inner tube 14 and on the outer wall of the inner tube 14, a filtering membrane 17 is provided in the inner tube 14, and an anticoagulant is further provided in the filtering membrane 17 to prevent blood coagulation during blood infusion. An inner tube outlet is provided at the bottom of the inner tube 14. The outer tube 15 is fixed on the cover 13 and is sleeved outside the inner tube 14 at intervals, and the outer tube 15 can be communicated with the second infusion tube 102. The filter 1 is provided with the inner tube 14 and the outer tube 15 which is sleeved outside the inner tube 14 at intervals, and the inner tube 14 is provided with the plurality of overflow outlets 16 at positions close to the top, so that when the sealing cover 13 of the filter 1 is blocked, blood can flow out of the overflow outlets 16 to the outer tube 15, and the blockage condition in the filter 1 can be judged conveniently by observation.

In order to better optimize the structure of the filter 1, a connecting tube 12 is inserted in the cover 13. The outer surface of the connecting tube 12 is configured with an external thread, and the connecting tube 12 is screwed on the first infusion tube 101. And when the inner tube 14 is secured to the closure 13, the bottom end of the connecting tube 12 extends downwardly into the inner tube 14 and out of the location of the overflow outlet 16. The connecting tube 12 is not only connected to the first infusion tube 101, but also guides blood into the inner tube 14, and avoids the problem that blood will directly overflow from the overflow outlet 16 when entering the inner tube 14.

At the same time, the inner tube outlet extends into the outer tube outlet 18 of the outer tube 15 and is spaced from the outer tube outlet 18. An external thread is formed at the outer tube outlet 18 of the outer tube 15, and the outer tube 15 is screwed to the second infusion tube 102. The external thread formed on the outer surface of the connecting tube 12 and the external thread formed on the outer tube outlet 18 not only facilitate the installation of the filter 1 on the first infusion tube 101 and the second infusion tube 102, but also facilitate the removal and replacement of the filter 1 when the filter 1 is clogged.

Example two

The embodiment relates to an autoblood back transfusion device for acute pericardial tamponade, which is beneficial to improving the rescue efficiency and success rate of acute cardiac tamponade, reducing the use of blood in a storehouse, saving blood resources and avoiding the complications of a large amount of allogenic blood transfusion. As shown in fig. 2, the autologous blood transfusion device for acute pericardial tamponade comprises a blood bag puncture device 2 and a vein puncture device 9, wherein a first three-way interface 3, a second three-way interface 4, a filter 1 according to the first embodiment and a third three-way interface 7 are sequentially communicated and arranged between the blood bag puncture device 2 and the vein puncture device 9, and a third infusion tube 103 is communicated and arranged between the first three-way interface 3 and the third three-way interface 7. Wherein the second three-way interface 4 allows for additional medication infusion into the patient.

In this embodiment, a second infusion tube 102 is further disposed between the filter 1 and the third three-way connector 7, a flow regulator 6 is disposed on the second infusion tube 102, and the flow regulator 6 can be adjusted by a human hand to change the speed of saline infusion or blood transfusion, so that the structure is simple, the operation is convenient, and stepless speed regulation can be realized. Further, the second forceps 52 is provided to the first infusion tube 101, and the first forceps 51 is provided to the third infusion tube 103, so that the input and output of blood can be controlled more easily by manual work, and the acute pericardial sack filling autologous blood transfusion system can be used flexibly.

In order to use the acute pericardial tamponade autologous blood return device more conveniently and flexibly, a detachment mechanism 8 is provided on the fourth infusion tube 104. As shown in fig. 3, the detaching mechanism 8 includes a base 31 and a protruding shaft 32, the middle of which is sequentially penetrated, and a shaft sleeve 33 connected with the venipuncture instrument 9 and capable of being sleeved on the outside of the protruding shaft 32, and the base 31 is communicated with the fourth infusion tube 104. Wherein the protruding shaft 32 is provided with a snap point, and the sleeve 33 is provided with a ring-shaped or semi-ring-shaped snap groove. Meanwhile, in order to avoid the outflow of the internal saline or blood and reduce waste, when the protruding shaft 32 is not connected with the shaft sleeve 33, the protective sleeve 34 is buckled on the protruding shaft 32, and the protective plug 35 is buckled in the shaft sleeve, so that the condition that the surgical environment is polluted by the saline or blood is also avoided.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A filter which is installed between a first infusion tube (101) constituting a blood inlet and a second infusion tube (102) constituting a blood outlet, characterized in that: the filter (1) comprises a sealing cover (13), an inner tube (14) communicated with the first infusion tube (101) through the sealing cover (13), a filtering membrane (17) arranged in the inner tube (14), and an outer tube (15) fixedly arranged on the sealing cover (13) and sleeved outside the inner tube (14) at intervals; an inner pipe outlet is arranged at the bottom of the inner pipe (14), and an overflow outlet (16) is arranged on the side wall of the inner pipe (14) close to the top of the inner pipe (14); the outlet of the inner tube is communicated with the second infusion tube (102) through the outer tube (15).

2. The filter of claim 1, wherein: a connecting pipe (12) is inserted on the sealing cover (13); when the sealing cover (13) is covered on the inner pipe (14), the bottom end of the connecting pipe (12) positioned in the inner pipe (14) extends to the lower part of the overflow outlet (16).

3. The filter of claim 2, wherein: an external thread is formed on the outer surface of the connecting pipe (12), and the connecting pipe (12) is screwed on the first infusion tube (101).

4. The filter of claim 1, wherein: the inner tube outlet extends into an outer tube outlet (18) of the outer tube (15) and is spaced from an inner wall of the outer tube outlet (18).

5. The filter of claim 4, wherein: an external thread is formed on an outer tube outlet (18) of the outer tube (15), and the outer tube (15) is screwed on the second infusion tube (102).

6. An autoblood return transfusion device for acute pericardial tamponade is characterized in that: including blood bag puncture ware (2) and vein puncture ware (9), blood bag puncture ware (2) extremely communicate in proper order between vein puncture ware (9) and be provided with first tee bend interface (3), second tee bend interface (4), filter (1) and third tee bend interface (7) of any one of claims 1-5, and with first tee bend interface (3) with intercommunication has third transfer line (103) between third tee bend interface (7).

7. The autologous blood reinfusion device for acute pericardial tamponade according to claim 6, wherein: a second infusion tube (102) is further arranged between the filter (1) and the third three-way connector (7), and a flow regulator (6) is arranged on the second infusion tube (102).

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