CN219185209U

CN219185209U - Non-blocking circulation bridge in tumor plug extraction operation

Info

Publication number: CN219185209U
Application number: CN202222838258.1U
Authority: CN
Inventors: 王希友; 贾卓敏; 沈麒; 周金
Original assignee: Third Medical Center of PLA General Hospital
Current assignee: Third Medical Center of PLA General Hospital
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-06-16
Anticipated expiration: 2032-10-27

Abstract

The utility model discloses a non-blocking circulation bridge in a tumor plug extraction operation, which belongs to the technical field of medical equipment and comprises guide pipes and clamping pincers, wherein each guide pipe comprises a main flow pipe for blood drainage and a butt joint pipe for connecting a blood vessel, two butt joint pipes are arranged at two ends of each main flow pipe and are symmetrically provided with butt joint pipes and communicated with the main flow pipe, the included angles between the two butt joint pipes and the drainage direction of the main flow pipe are obtuse angles, two clamping pincers are arranged at two ends of each butt joint pipe far away from the main flow pipe, and the clamping pincers are detachably arranged at the joint of each butt joint pipe and the blood vessel; the device realizes the effect of ensuring the normal flow of the blood at the guiding wound without affecting the tumor embolectomy operation process.

Description

Non-blocking circulation bridge in tumor plug extraction operation

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an unobstructed circulation bridge in a tumor thrombus extraction operation.

Background

Tumor plugs are tumor and vascular malformations commonly formed in skin and soft tissues and are formed by vascular proliferation, vascular cells are connected with blood vessels through tube formation to form the tumor plugs, the tumor plugs can occur everywhere in the whole body, most of the tumor plugs occur on the surface of the skin, and when the volume of the tumor plugs is overlarge, the tumor plugs are easy to break, so that skin infection and ulcer are caused.

Publication number CN109199502a discloses an aneurysm embolic catheter and an aneurysm operation assisting device. The aneurysm embolization catheter comprises a connector and a catheter body; the connecting piece is connected with one end of the catheter body; the catheter body comprises a multi-cavity structure and an inflatable balloon arranged on the outer surface of the catheter body; the multi-cavity structure comprises a guide wire guide cavity, a spring ring guide cavity and an inflation cavity; the inflatable cavity is communicated with the inflatable balloon; the connecting piece is provided with a guide wire inlet, a spring ring inlet and an inflation interface which are communicated with the guide wire guide cavity, the spring ring guide cavity and the inflation cavity in one-to-one correspondence; a guide wire outlet communicated with the guide wire guiding cavity is arranged on the end surface of the other end of the guide tube body; the outer surface of the catheter body corresponding to the position of the inflatable balloon is provided with a spring ring outlet communicated with the spring ring guiding cavity. The utility model solves the technical problems of complex operation and easy occurrence of spring ring and balloon catheter winding in the prior art.

Although the above patent solves the technical problems of complex operation, easy occurrence of spring coil and winding of protective balloon catheter in the prior art, the following problems still exist in the tumor thrombus operation, in the operation process, the two ends of the blood vessel at the wound part of the patient are generally closed to block the blood flow, then the blood vessel at the wound part is cut, the tumor thrombus is taken out to achieve the purpose of treatment, the blood at the wound part can stop flowing, the blood in the blood vessel can not form backflow, the proximal end in the blood flow direction in the blood vessel can be caused, the distal end in the blood flow direction in the blood vessel is insufficient, the blood of the patient can not form normal circulation in the body, the conditions of insufficient blood supply, cerebral hypoxia and the like can occur for the patient when the time is short, the life of the patient can be endangered when the time is long, and therefore, the device which can ensure the normal blood circulation can not influence the tumor thrombus excision operation process.

Disclosure of Invention

The embodiment of the utility model provides an unobstructed circulation bridge in a tumor embolectomy operation, which aims to solve the technical problems.

The embodiment of the utility model adopts the following technical scheme: including guide tube and clamp pincers, the guide tube is including the main flow pipe that is used for blood drainage and the butt joint pipe that is used for linking up the blood vessel, the butt joint pipe is equipped with two, main flow pipe both ends symmetry is equipped with butt joint pipe and is linked together with the main flow pipe, two the drainage direction contained angle of butt joint pipe and main flow pipe is the obtuse angle, clamp pincers are equipped with two, two clamp pincers locate the other end that the main flow pipe was kept away from to the butt joint pipe, clamp pincers detachable installs in the junction of butt joint pipe and blood vessel.

Further, the clamp includes the pincers body, axis of rotation and annular handle, the pincers body is equipped with two, two the pincers body is the setting of crossing and the cross contact end passes through the axis of rotation and rotates to be connected, the pincers body is including supporting portion, clamping part and gripping portion, the clamping part is the semicircle form, when two the supporting portion of the pincers body supports and ends together, two the clamping part of the pincers body forms a clamping space that the internal diameter is less than the guide tube internal diameter, the gripping portion tip all is equipped with the annular handle that is used for the finger to pass through.

Further, one end of the holding part of one of the pliers bodies, which is close to the annular handle, is provided with an adjusting rack, the holding part of the other pliers body is provided with a slot hole which is penetrated by the corresponding adjusting rack, an opening which is complementary with the shape of the rack on the adjusting rack is arranged in the slot hole, and the adjusting racks are in sliding fit in the slot hole.

Further, elastic pieces are arranged on the adjacent surfaces of the annular handles at the holding ends of the two pliers bodies.

Further, the adjacent clamping end surfaces of the clamping parts of the two clamp bodies are respectively provided with a silica gel pad.

The above at least one technical scheme adopted by the embodiment of the utility model can achieve the following beneficial effects:

firstly, when the device is used, the butt joint pipe in the guide pipe is placed in a patient body and respectively connected with the incision at two ends of a blood vessel at the tumor plug part of the patient, so that the butt joint pipe is completely attached to the blood vessel, the main flow pipe is positioned outside the blood vessel, and then the clamp is used for clamping the butt joint pipe and the connection part of the blood vessel, so that the positions of the butt joint pipe and the blood vessel are fixed, the blood is ensured to flow from the main flow pipe in the blood vessel, entering the outside of the blood vessel through the butt joint pipe at the near end of the blood flow direction, to the butt joint pipe at the far end of the blood flow direction, so as to flow back into the blood vessel, the blood flow is enabled to bypass the tumor plug part, the normal circulation of the blood is ensured in the patient body, the situations of insufficient blood supply, cerebral hypoxia, life danger and the like of the patient caused by the abnormal backflow of the blood are avoided, and the effect of ensuring the normal flow of the blood at the guiding wound part can be ensured without influencing the tumor plug excision operation process is realized.

Secondly, after the butt joint pipe is placed in a patient and is connected to two ends of a blood vessel at a wound part of the patient in the tumor embolectomy operation, fingers hold the clamping forceps through the annular handles at the end parts of the holding parts of the forceps bodies, the abutting parts of the two forceps bodies are far away through the arranged rotating shafts, the abutting parts of the two forceps bodies of the clamping forceps are mutually abutted through the annular handles at the end parts of the holding parts of the forceps bodies, so that the clamping parts of the two forceps bodies form a clamping space which is matched with the connecting part of the butt joint pipe and the blood vessel in shape, the positions of the butt joint pipe and the blood vessel are fixed, the connection is more stable, and the main flow pipe of blood entering the outside of the blood vessel from the butt joint pipe at the near end in the blood flow direction flows to the butt joint pipe at the far end in the blood flow direction from the blood vessel, so that the blood flows back to the stability of the blood vessel is improved, the condition that the butt joint pipe and the blood vessel are unstable due to the blood flow is avoided, and the problem of normal circulation of blood of the patient in the excision operation is further ensured.

Thirdly, when the clamp is required to be clamped at the joint of the butt joint pipe and the blood vessel, the adjusting rack arranged on the clamp body slides in the slotted hole, and the opening complementary to the shape of the rack is arranged in the slotted hole, so that when the two clamp bodies are crossed and rotated, a certain damping sense is provided, and meanwhile, the distance between the two clamp bodies can be controlled more precisely, so that the inner diameter of the clamping space formed by the clamping part is controlled better, the clamping end is controlled to be clamped at the joint of the butt joint pipe and the blood vessel more precisely, and meanwhile, after the clamp is used for a long time, the interaction of the adjusting rack and the slotted hole can be adjusted, the force kept when fingers are stretched is saved, and the fatigue sense of long-time use is reduced.

Fourthly, when the clamp bodies of the clamping clamp are close together through the crossed rotation of the rotating shafts, a certain buffer area is added between the two clamp bodies through the arranged elastic piece, the clamp bodies are prevented from being damaged due to collision between the two clamp bodies, and the service life is prolonged.

Fifthly, when the clamping pliers clamp the joint of the butt joint pipe and the blood vessel, the friction force on the surface of the butt joint pipe is increased through the silica gel pad arranged at the clamping end, so that the tightness of the joint is further ensured, the blood is prevented from flowing out of the joint, and the problems of wound infection and the like are avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of a guide tube according to the present utility model;

FIG. 3 is a schematic perspective view of a clamping jaw according to the present utility model;

fig. 4 is a schematic perspective view of a clamping pliers according to the present utility model

Fig. 5 is a schematic plan view of the present utility model where a hemangio plug is attached.

Reference numerals

Guide tube 1, main flow tube 11, butt tube 12, clamping pincers 2, pincers body 21, abutment portion 211, clamping portion 212, holding portion 213, adjusting rack 214, slotted hole 215, silica gel pad 216, axis of rotation 22, annular handle 23, elastic component 231.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments of the present utility model and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The following describes in detail the technical solutions provided by the embodiments of the present utility model with reference to the accompanying drawings.

The embodiment of the utility model provides a non-blocking circulation bridge in a tumor embolotherapy operation, which comprises a guide pipe 1 and clamping pincers 2, wherein the guide pipe 1 comprises a main flow pipe 11 for blood drainage and a butt joint pipe 12 for connecting a blood vessel, the two butt joint pipes 12 are symmetrically arranged at two ends of the main flow pipe 11 and are communicated with the main flow pipe 11, the included angles between the two butt joint pipes 12 and the drainage direction of the main flow pipe 11 are obtuse angles, the two clamping pincers 2 are arranged at the other end of the butt joint pipe 12 far away from the main flow pipe 11, and the clamping pincers 2 are detachably arranged at the joint of the butt joint pipe 12 and the blood vessel; when the device is used, the butt joint pipe 12 in the guide pipe 1 is placed in a patient and respectively connected with the incision at two ends of a blood vessel at the tumor plug part of the patient, so that the butt joint pipe is completely attached to the blood vessel, the main flow pipe 11 is positioned outside the blood vessel, and then the clamping forceps 2 are used for clamping the joint part of the butt joint pipe 12 and the blood vessel, so that the position of the butt joint pipe 12 and the blood vessel is fixed, and the blood is ensured to flow from the blood vessel to the butt joint pipe 12 at the far end in the blood flow direction through the butt joint pipe 12 at the near end in the blood flow direction entering the main flow pipe 11 at the outside of the blood vessel, so that the blood flows back into the blood vessel, the blood vessel bypasses the tumor plug part, and the normal circulation of the blood is ensured in the patient, the situations of insufficient blood supply, cerebral hypoxia, life danger and the like of the patient caused by the abnormal backflow of the blood are avoided, and the effect of ensuring the normal blood flow at the wound guiding position can be ensured without influencing the operation process of tumor plug excision is realized; the device realizes the effect of ensuring the normal flow of the blood at the guiding wound without affecting the tumor embolectomy operation process.

Preferably, the clamping forceps 2 includes forceps bodies 21, a rotation shaft 22 and an annular handle 23, the forceps bodies 21 are provided with two, the forceps bodies 21 are in a crossed arrangement, and the crossed contact ends are rotationally connected through the rotation shaft 22, the forceps bodies 21 include a propping portion 211, a clamping portion 212 and a holding portion 213, the clamping portion 212 is in a semicircular arc shape, when the propping portions 211 of the two forceps bodies 21 are propped together, the clamping portions 212 of the two forceps bodies 21 form a clamping space with an inner diameter smaller than that of the guide tube 1, and the end portions of the holding portions 213 are provided with the annular handle 23 for the fingers to pass through; in the tumor embolectomy operation, after the butt joint pipe 12 is placed in a patient and is connected to two ends of a blood vessel at a wound part of the patient, fingers hold the clamping forceps 2 through the annular handles 23 at the end parts of the holding parts 213 of the forceps bodies 21, the abutting parts 211 of the two forceps bodies 21 are far away through the arranged rotating shafts 22, the abutting parts 211 of the two forceps bodies 21 of the clamping forceps 2 are mutually abutted through the annular handles 23 at the end parts of the holding parts 213 of the forceps bodies 21, so that the clamping parts 212 of the two forceps bodies 21 form a clamping space which is matched with the shape of the connection part of the butt joint pipe 12 and the blood vessel, the positions of the butt joint pipe 12 and the blood vessel are fixed, the connection is more stable, and the main flow pipe 11 entering the outside the blood vessel from the butt joint pipe 12 in the blood flow direction through the near end of the blood flow direction in the blood vessel flows to the butt joint pipe 12 at the far end in the blood flow direction, so that the blood flows back to the blood vessel is stable, the condition that the butt joint pipe 12 is unstable in the connection of the blood flow direction is caused by the blood flow, and the normal blood circulation of the patient in the excision operation is further ensured.

Preferably, one end of the holding portion 213 of one of the pliers bodies 21, which is close to the annular handle 23, is provided with an adjusting rack 214, the holding portion 213 of the other pliers body 21 is provided with a slot 215 through which the corresponding adjusting rack 214 passes, an opening complementary to the shape of the rack on the adjusting rack 214 is arranged in the slot 215, and the adjusting rack 214 is slidably matched in the slot 215; when the clamping forceps 2 are required to be clamped at the joint of the butt joint pipe 12 and the blood vessel, the adjusting racks 214 arranged on the forceps bodies 21 can slide in the slotted holes 215, and the openings complementary to the shapes of the racks are arranged in the slotted holes 215, so that when the two forceps bodies 21 are in crossed rotation, a certain damping sense is provided, meanwhile, the distance between the two forceps bodies 21 can be controlled in more detail, the inner diameter of the clamping space formed by the clamping part 212 is controlled better, the clamping end is controlled to be clamped at the joint of the butt joint pipe 12 and the blood vessel more accurately, meanwhile, after the clamping forceps 2 are used for a long time, the force kept when fingers are opened is saved by adjusting the mutual matching of the racks 214 and the slotted holes 215, and the fatigue sense of long-time use is reduced.

Preferably, the surfaces of the two pliers bodies 21 adjacent to the annular handles 23 at the holding ends are respectively provided with an elastic piece 231; when the clamp bodies 21 of the clamping clamp 2 are close together through the crossed rotation of the rotating shafts 22, a certain buffer area is added between the two clamp bodies 21 through the arranged elastic piece 231, so that the damage to the clamp bodies 21 caused by the collision between the two clamp bodies 21 is avoided, and the service life is prolonged.

Preferably, the adjacent clamping end surfaces of the clamping parts 212 of the two clamp bodies 21 are respectively provided with a silica gel pad 216; when the clamping forceps 2 are clamped at the joint of the butt joint pipe 12 and the blood vessel, the friction force on the surface of the clamping forceps is increased through the silica gel pad 216 arranged at the clamping end, so that the tightness of the joint is further ensured, the blood is prevented from flowing out of the joint, and the problems of wound infection and the like are avoided.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims

1. The utility model provides a no blocking circulating bridge in tumor bolt takes out art, its characterized in that, including guide pipe (1) and clamp pincers (2), guide pipe (1) are including main flow pipe (11) that are used for blood drainage and be used for linking up vascular butt joint pipe (12), butt joint pipe (12) are equipped with two, main flow pipe (11) both ends symmetry is equipped with butt joint pipe (12) and is linked together with main flow pipe (11), two butt joint pipe (12) are obtuse angle with the drainage direction contained angle of main flow pipe (11), clamp pincers (2) are equipped with two, two clamp pincers (2) are located the other end that main flow pipe (11) was kept away from to butt joint pipe (12), clamp pincers (2) detachable install in the junction to connecting pipe (12) and vascular.

2. The non-blocking circulation bridge in a tumor plug extraction operation according to claim 1, wherein the clamping forceps (2) comprise forceps bodies (21), rotating shafts (22) and annular handles (23), the forceps bodies (21) are provided with two forceps bodies (21) which are arranged in a crossed mode, the crossed contact ends of the forceps bodies are connected in a rotating mode through the rotating shafts (22), the forceps bodies (21) comprise abutting portions (211), clamping portions (212) and holding portions (213), the clamping portions (212) are in a semicircular arc shape, and when the abutting portions (211) of the two forceps bodies (21) are abutted together, the clamping portions (212) of the two forceps bodies (21) form a clamping space with an inner diameter smaller than that of the guide tube (1), and the annular handles (23) for fingers to pass through are arranged at the end portions of the holding portions (213).

3. The non-blocking circulation bridge in the tumor embolectomy according to claim 2, wherein one end of the holding part (213) of one of the forceps bodies (21) close to the annular handle (23) is provided with an adjusting rack (214), the holding part (213) of the other forceps body (21) is provided with a slot (215) through which the corresponding adjusting rack (214) passes, an opening with a shape complementary to that of the rack on the adjusting rack (214) is arranged in the slot (215), and the adjusting rack (214) is in sliding fit in the slot (215).

4. A non-blocking circulation bridge in a tumor embolectomy according to claim 2, characterized in that the adjacent faces of the annular handles (23) at the holding ends of the two forceps bodies (21) are provided with elastic members (231).

5. A non-blocking circulation bridge in a tumor embolectomy according to claim 2, characterized in that the adjacent clamping end surfaces of the clamping parts (212) of the two forceps bodies (21) are provided with silica gel pads (216).