CN213098273U

CN213098273U - Thoracoscopic ablation radio frequency ablation stripping measurement assistor for atrial fibrillation

Info

Publication number: CN213098273U
Application number: CN202021341765.9U
Authority: CN
Inventors: 郑哲; 马艳; 崔凯; 陈颖; 权梦宇; 白雪燕; 李莉; 李浩杰; 付莹; 于海娇
Original assignee: Fuwai Hospital of CAMS and PUMC
Current assignee: Fuwai Hospital of CAMS and PUMC
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-05-04
Anticipated expiration: 2030-07-09

Abstract

The utility model relates to the field of medical equipment, in particular to a thoracoscopic radiofrequency ablation stripping and measuring assistor for atrial fibrillation, which comprises a rod body with a straight rod structure, wherein a drainage channel is coaxially arranged in the rod body; the lower end of the rod body is connected with a stripping head, the outer surface of the stripping head is a rough surface, and drainage holes are distributed in the stripping head and communicated with the drainage channel; the outer surface of the rod body is provided with a scale layer for measuring the length, and the scale layer extends to the lower end of the rod body. The utility model discloses be favorable to improving the convenience that the tissue operations such as the operation in-process appears, free pulmonary vein, can measure auricle length simultaneously in the art to thereby select suitable cutterbar to make the cutting more clear and definite, more thorough.

Description

Thoracoscopic ablation radio frequency ablation stripping measurement assistor for atrial fibrillation

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a thoracoscope is room quivers radio frequency ablation operation under and is peeled off and measure assistor.

Background

Atrial fibrillation (atrial fibrillation) is the most common sustained arrhythmia, and is found to be triggered by rapid electrical impulses delivered by the "myocardial sleeves" in the great veins connecting the atria, and is also associated with atrial remodeling; the catheter electrode is adopted to melt at the orifice of the pulmonary vein to form 'electric isolation' between the great vein and the atrium, or certain linear melting in the atrium is added, so that the aim of radical curing atrial fibrillation can be achieved. Cardiac radio frequency ablation (cardiac radio frequency ablation) is an interventional technique in which an electrode catheter is delivered to a specific part of a heart cavity through a vein or an arterial blood vessel, and radio frequency current is released to cause local endocardial and subendocardial myocardial coagulative necrosis so as to block abnormal conduction beams and initiation points of tachyarrhythmia. The thoracoscopic surgery (television assisted thoracoscopic surgery) uses a modern television camera technology and high-tech surgical instrument equipment to complete a minimally invasive thoracic surgery new technology of complicated operations in the chest under a chest wall sleeve or a micro incision, changes the treatment concept of some thoracic surgical diseases, is considered to be the most important progress of the thoracic surgery at the end of 20 th century, and is the development direction of the thoracic surgery in the future.

The thoracoscopic atrial fibrillation radio frequency ablation operation is different from the conventional thoracotomy atrial fibrillation radio frequency ablation operation, the operation is fine and complex, and the operation difficulty is high, so that the functional requirements on endoscopic instruments used in the operation are higher. When the tissues such as pulmonary veins and the like are dissociated in the operation, an endoscopic surgical instrument capable of separating the tissues is needed, the existing endoscopic radio frequency ablation surgical instrument is difficult to dissociate, and the tissues such as the pulmonary veins and the like are cracked to cause heavy bleeding in the operation by carelessness in the operation, so that serious consequences are caused. Meanwhile, in the operation process of cutting off the left auricle, the length of the auricle cannot be measured, so that the most appropriate cutter model cannot be selected, the left auricle is not cut thoroughly or has more residues, and the operation effect is influenced; in addition, if the atrial appendage length is not measured in advance during the operation, selecting a matched model from a plurality of cutter models can also lead to waste of consumables, and increase the medical cost of the patient.

The above technical problems need to be solved.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an atrial fibrillation radio frequency ablation operation peels off and measures assistor under thoracoscope is favorable to improving the convenience that the tissue operations such as the operation in-process appears, free pulmonary vein can measure auricle length simultaneously in the art to thereby select suitable cutterbar to make the cutting more clear and definite, more thorough.

The utility model discloses a thoracoscopic radiofrequency ablation stripping measurement auxiliary device for atrial fibrillation, which comprises a rod body with a straight rod structure, wherein a drainage channel is coaxially arranged in the rod body; the lower end of the rod body is connected with a stripping head, the outer surface of the stripping head is a rough surface, and drainage holes are distributed in the stripping head and communicated with the drainage channel; the outer surface of the rod body is provided with a scale layer for measuring the length, and the scale layer extends to the lower end of the rod body.

As a further improvement to the technical scheme, the rod body is of a straight round rod structure, and the outer surface of the rod body is a smooth surface.

As a further improvement to the technical scheme, the telescopic rod further comprises an operating handle, the operating handle is fixedly sleeved outside the rod body, and the scale layer is arranged between the operating handle and the lower end of the rod body.

As a further improvement to the technical scheme, the operating handle is made of rubber.

As a further improvement to the technical scheme, a plurality of finger grooves are sequentially arranged on the operating handle along the axial direction of the rod body.

As a further improvement to the above technical scheme, the upper end of the rod body is provided with a connector used for being connected with the guide pipe, a plurality of fastening round tables are sequentially arranged on the connector along the axial direction of the rod body, the large end face of each fastening round table is positioned on the lower side of the fastening round table, and the small end face of each fastening round table is positioned on the upper side of the fastening round table.

As a further improvement to the above technical solution, the peeling head is detachably connected to the rod body.

As a further improvement to the above technical scheme, the peeling head comprises a connecting part, a transition part and an action part which are sequentially connected along the axial direction of the rod body, and the connecting part coaxially extends into the drainage channel from the lower end of the rod body and is connected with the rod body through a thread pair.

As a further improvement to the technical scheme, the action part is spherical, spherical crown-shaped, spherical belt-shaped, hyperboloid-shaped or cylindrical, the drainage holes are arranged in the middle of the lower end surface and on the side surface of the action part, and the drainage holes arranged on the side surface are uniformly distributed on the same circumference.

As a further improvement to the technical scheme, the outer surface of the stripping head forms a rough surface by arranging salient points, grooves, strip-shaped grains or rhombic grains.

Through the above disclosure, the present invention has the following beneficial technical effects:

the utility model provides a thoracoscopic radiofrequency ablation stripping measurement auxiliary device for atrial fibrillation, the outer surface of the stripping head is a rough surface, which is beneficial to improving the convenience of tissue operations such as exposure and free pulmonary veins in the operation process; meanwhile, the rod body is provided with the scale layer, so that the length of the auricle can be measured in the operation, and the proper type of the cutter is selected, so that the cutting is more clear and thorough, the waste of consumables and unnecessary economic loss are avoided, and the operation in the operation is more accurate; in addition, set up drainage channel in the body of rod, peel off overhead drainage hole that sets up, after body of rod upper end links to each other with negative pressure suction device, accessible drainage hole, drainage channel suction art are wild in the liquid such as blood, realize that the attraction shows the art and operate free going on simultaneously.

Drawings

FIG. 1 is a schematic structural view of a first structure of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic structural view of a second structure of the present invention;

FIG. 4 is an enlarged view of FIG. 3 at B;

FIG. 5 is a schematic structural diagram of a third structure of the present invention;

fig. 6 is an enlarged view of fig. 5 at C.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Examples

As shown in fig. 1 to 6: the embodiment provides a stripping measurement auxiliary device for an atrial fibrillation radio frequency ablation operation under a thoracoscope, which comprises a rod body 1 with a straight rod structure, wherein a drainage channel 2 is coaxially arranged in the rod body 1; the lower end of the rod body 1 is connected with a stripping head 3, the outer surface of the stripping head 3 is a rough surface, drainage holes 4 are distributed in the stripping head 3, and the drainage holes 4 are communicated with the drainage channel 2; the outer surface of the rod body 1 is provided with a scale layer 5 for measuring the length, and the scale layer 5 extends to the lower end of the rod body 1.

The rod body 1 is made of medical metal and can be sterilized after being used for repeated use; the rod body 1 is a straight round rod structure, the outer surface of the rod body is a smooth surface, and a hydrophobic layer can be further arranged. The drainage channel 2 penetrates through the upper end and the lower end of the rod body 1, and the directions of the upper end and the lower end are based on the direction shown in the figure 1; the stripping head 3 is used for realizing the stripping operation of tissues so as to free tissues such as pulmonary veins and the like in the process of atrial fibrillation radio frequency operation under a thoracoscope; the interior of the stripping head 3 is of a hollow structure, so that the drainage hole 4 is communicated with the drainage channel 2; the scale layer 5 is preferably a millimeter scale layer 5, which may have a measuring range of, for example, 200 mm; the scale layer 5 can be arranged on the outer surface of the rod body 1 through reasonable modes such as laser engraving or laser coating.

The outer surface of the stripping head 3 is rough, which is beneficial to improving the convenience of tissue operations such as exposure, dissociation of pulmonary veins and the like in the operation process; meanwhile, the rod body 1 is provided with the scale layer 5, so that the length of the auricle can be measured in the operation, and the proper type of the cutter is selected, so that the cutting is more clear and thorough, the waste of consumables and unnecessary economic loss are avoided, and the operation in the operation is more accurate; in addition, set up drainage channel 2 in the body of rod 1, peel off and set up drainage hole 4 on the head 3, after 1 upper end of the body of rod links to each other with negative pressure suction device, accessible drainage hole 4, drainage channel 2 suction art are open in the field liquid such as blood, realize that the suction is exposed the art and is gone on when free.

In this embodiment, in order to facilitate the holding operation of the operator, the auxiliary device further comprises an operating handle 6, the operating handle 6 is fixedly sleeved outside the rod body 1 and located on the upper side of the rod body 1, and the scale layer 5 is arranged between the operating handle 6 and the lower end of the rod body 1. The operating handle 6 is preferably made of rubber and can be fixed outside the rod body 1 in an interference fit mode. In addition, operating handle 6 is last to be equipped with a plurality of finger grooves 6a along the axial of the body of rod 1 in proper order, and finger groove 6a supplies the user to place the finger, for the arc wall structure, is favorable to increasing handheld steadiness. The number of finger grooves 6a may be set as desired, and may be, for example, four.

In this embodiment, in order to facilitate the connection of the rod body 1 and the negative pressure suction device, the upper end of the rod body 1 is provided with a connector 7 for being connected with a conduit, the connector 7 is sequentially provided with a plurality of fastening circular truncated cones 7a along the axial direction of the rod body 1, the large end face of each fastening circular truncated cone 7a is located on the lower side of the fastening circular truncated cone, and the small end face of each fastening circular truncated cone 7a is located on the upper. The interior of the connector 7 is of a hollow structure and is communicated with the drainage channel 2; the connector 7 can be integrally formed with the rod body 1 so as to be convenient for processing and forming. The stacking arrangement of the fastening circular truncated cones 7a can increase the sealing degree between the connector 7 and the guide pipe, and simultaneously improve the connection stability. The number of fastening knobs 7a may be set as desired, for example four.

In this embodiment, the peeling head 3 is detachably connected to the rod body 1, and the connection mode can be, for example, a bolt connection mode, an insertion connection mode, a clamping connection mode and other existing modes, as long as the peeling head 3 is convenient to install and detach. Preferably, the peeling head 3 may include a connecting portion 31, a transition portion 32 and an acting portion 33 sequentially connected along the axial direction of the rod body 1, the connecting portion 31 is used for being connected with the rod body 1, the acting portion 33 directly acts on tissues, the lower end surface of the acting portion 33 is arc-shaped, and the transition portion 32 connects the connecting portion 31 and the acting portion 33; the connecting part 31, the transition part 32 and the acting part 33 can be arranged in an integrated forming mode, so that the processing and forming are convenient; connecting portion 31 is connected with the body of rod 1 from the coaxial drainage channel 2 that stretches into of body of rod 1 lower extreme, and the external screw thread of connecting portion 31 surface and the internal thread of the 1 lower extreme inner wall of the body of rod are vice promptly to the screw thread, and the two cooperatees and realizes the spiro union.

The outer surface of the peeling head 3 can form a rough surface by arranging convex points, grooves, strip-shaped grains or diamond-shaped grains, and the convex points, the grooves, the strip-shaped grains or the diamond-shaped grains can also be arranged on the same peeling head 3 at the same time as long as the requirement of roughness can be met. The stripping head 3 can be set into a plurality of models, and different models can have different shapes, sizes and surface roughness, so that the head end with corresponding size, roughness and shape can be selected for dissociation according to the tissue flexibility in the operation, the tissue can be separated layer by layer, the danger of the common endoscope instrument in the tissue separation process is greatly reduced, and the dissociation time can be greatly shortened; for example, the action part 33 of the peeling head 3 may have a spherical shape, a spherical crown shape, a spherical belt shape, a hyperboloid shape, or a cylindrical shape, and the drainage holes 4 are provided in the middle of the lower end surface and in the side surfaces of the action part 33, wherein the drainage holes 4 provided in the side surfaces are uniformly distributed on the same circumference. Fig. 1 and 2 show an auxiliary device including a first type of peeling head 3, in which the working portion 33 is formed in a hyperboloid shape; fig. 3 and 4 show the second type of the structure of the peeling head 3, in which the working portion 33 is in the form of a spherical cap; FIGS. 5 and 6 show the third embodiment of the peeling head 3, in which the working portion 33 is cylindrical; of course, the peeling head 3 may be configured in other configurations as needed, and only the purpose of use is satisfied.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides an atrial fibrillation radio frequency ablation operation peels off and measures assistor under thoracoscope which characterized in that: the drainage rod comprises a rod body with a straight rod structure, wherein a drainage channel is coaxially arranged in the rod body; the lower end of the rod body is connected with a stripping head, the outer surface of the stripping head is a rough surface, and drainage holes are distributed in the stripping head and communicated with the drainage channel; the outer surface of the rod body is provided with a scale layer for measuring the length, and the scale layer extends to the lower end of the rod body.

2. The thoracoscopic atrial fibrillation radio frequency ablation procedure peeling measurement aid as recited in claim 1, wherein: the body of rod is straight round bar structure, just the surface of the body of rod is the smooth surface.

3. The thoracoscopic atrial fibrillation radio frequency ablation procedure peeling measurement aid as recited in claim 1, wherein: still include an operating handle, operating handle is fixed to be cup jointed outside the body of rod, the scale layer is established between operating handle and the body of rod lower extreme.

4. The thoracoscopic atrial fibrillation radio frequency ablation procedure peeling measurement aid as claimed in claim 3, wherein: the operating handle is made of rubber.

5. The thoracoscopic atrial fibrillation radio frequency ablation procedure peeling measurement aid as claimed in claim 3, wherein: a plurality of finger grooves are sequentially formed in the operating handle along the axial direction of the rod body.

6. The thoracoscopic atrial fibrillation radio frequency ablation procedure peeling measurement aid as recited in claim 1, wherein: the upper end of the rod body is provided with a connector used for being connected with a guide pipe, a plurality of fastening round tables are sequentially arranged on the connector along the axial direction of the rod body, the large end face of each fastening round table is located on the lower side of the fastening round table, and the small end face of each fastening round table is located on the upper side of the fastening round table.

7. The thoracoscopic atrial fibrillation radio frequency ablation procedure stripping measurement aid as recited in any one of claims 1 to 6, wherein: the peeling head is detachably connected to the rod body.

8. The thoracoscopic atrial fibrillation radio frequency ablation procedure peeling measurement aid as recited in claim 7, wherein: the peeling head comprises a connecting part, a transition part and an action part which are sequentially connected along the axial direction of the rod body, and the connecting part coaxially extends into the drainage channel from the lower end of the rod body and is connected with the rod body through a thread pair.

9. The thoracoscopic atrial fibrillation radio frequency ablation procedure peeling measurement aid as recited in claim 8, wherein: the action part is spherical, spherical crown shape, spherical belt shape, hyperboloid shape or cylindrical, the drainage hole is located the lower terminal surface middle part and the side of action part, wherein locate the drainage hole evenly distributed on same circumference of side.

10. The thoracoscopic atrial fibrillation radio frequency ablation procedure peeling measurement aid as recited in claim 7, wherein: the outer surface of the stripping head forms a rough surface by arranging salient points, grooves, strip-shaped grains or rhombic grains.