CN215306365U - Vascular occlusion device - Google Patents

Abstract

The utility model discloses a blood vessel blocking device, which comprises a first clamp body, a second clamp body, a fixing bandage and a fixing assembly, wherein one end of the first clamp body is fixed on the fixing assembly, the other end of the first clamp body is hinged with the second clamp body, one end of the second clamp body, which is far away from the first clamp body, is connected with the fixing bandage, the other end of the fixing bandage is a free end, a plurality of fixed teeth are arranged on the fixing bandage, the free end of the fixing bandage can drive the second clamp body to rotate around the hinged ends of the first clamp body and the second clamp body, and the free end can extend into the fixing assembly to be locked, so that the first clamp body and the second clamp body are attached to each other.

Description

Vascular occlusion device

Technical Field

The utility model relates to the technical field of medical consumables, in particular to a blood vessel blocking device.

Background

The open chest surgery accounts for the highest proportion in the heart large vessel surgery, the tissue is exposed clearly, the surgical field is larger, and the precise separation and reconstruction can be realized in the aspect of the surgical operation, especially for some complex lesions. However, the thoracotomy operation not only destroys the stability of the whole sternum and affects the function of the heart and the lung, but also has the advantages that the incision length is about 20cm, the wound is large, the postoperative complications such as incision pain, sternum opening, infection and the like are easy to occur, large scars are easy to form in the later period, and the operation is extremely unattractive. Therefore, with the understanding of heart diseases, the progress of operation technology and the improvement of equipment, the endoscope and minimally invasive small incision surgery have obvious advantages in heart large vessel surgery, the incision of the common endoscope or minimally invasive small incision surgery is smaller and generally ranges from 1 cm to 7cm, the integrity of the sternum is kept, and the patient can heal quickly after the surgery with less pain and does not affect the beauty.

However, the surgical incision of the endoscopic or minimally invasive small incision surgery is small, the surgical field of view is also small, the operation space is limited, and the blood flow of various organ tissues needs to be blocked in the surgical process to avoid the influence of excessive bleeding on the surgical field of view, so that the blood vessel blocking forceps are used in the existing surgical process for blocking the blood vessel, but the blood vessel blocking forceps can stand beside the surgical incision after blocking the blood vessel to influence the surgical operation, and the blood vessel blocking forceps need to be matched with different minimally invasive surgical incisions, and are often specially customized, so that the cost is very high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a blood vessel blocking device which has the advantages of simple structure, low cost, effective blocking of blood flow of blood vessels at various positions, reduction of difficulty of endoscopic or minimally invasive small incision surgery and improvement of safety and success rate of the surgery.

In order to achieve the above purpose, the solution of the utility model is:

the utility model provides a blood vessel blocking device, is including first clamp, second clamp, fixed ribbon and fixed subassembly, on first clamp one end was fixed in fixed subassembly, the other end was articulated the second clamp, the one end that first clamp was kept away from to this second clamp was connected with fixed ribbon, this fixed ribbon other end were the free end, were equipped with a plurality of fixed tooth on the fixed ribbon, and the free end of fixed ribbon can drive the second clamp and rotate round the hinged end of first clamp and second clamp, and the free end can stretch into and carry out the lock solid in the fixed subassembly, finally makes first clamp and second clamp laminate each other.

Preferably, fixed subassembly includes mounting, wear groove, fixed orifices and locating part, wear the groove and link up the rear end from the front end of mounting, is fixed with above-mentioned first clamp on the mounting lateral surface of wearing the groove outside, and the mounting top surface is equipped with the fixed orifices, the wearing groove opening part of mounting rear end is located to the locating part, and this locating part one end is the stiff end that extends to the wearing groove opening part of mounting rear end, and the other end is the expansion end that extends to the fixed orifices rear, extends towards the mounting between stiff end and the activity and is fixed with connecting portion, and above-mentioned fixed tooth of fixed ribbon can pass out and support with the stiff end of locating part behind the wearing groove and lean on.

Preferably, fixed subassembly still includes sliding tray and slider, wear the inslot side in the mounting parallel be equipped with the sliding tray, this sliding tray sliding fit slider, this slider are equipped with sliding connection portion towards wearing the groove direction, are equipped with the slip tooth of the above-mentioned fixed tooth of cooperation on the sliding connection portion, and the slider top is protruding in the mounting top surface, and the concave mating holes that is equipped with in slider top, the fixed orifices is located the rear of sliding tray, and above-mentioned fixed ribbon is meshed with the slip tooth of slider after stretching into the wearing groove from the wearing groove opening part of mounting front end.

Preferably, the sliding groove of the fixing member is further provided with a receding groove at the front end of the fixing member, the tail end of the receding groove extends towards the direction gradually far away from the through groove and forms an angle with the sliding groove, and the sliding member can slide back into the receding groove to separate the sliding teeth from the fixed teeth.

Preferably, the first clamp body and the through groove of the fixing piece are arranged at 90 degrees, and the front face of the first clamp body is parallel to the front end face of the fixing piece and is used for being matched with the second clamp body to perform the vascular occlusion operation.

Preferably, the back surface of the first clamp body is attached to the outer side surface of the fixing part, so that the first clamp body and the through groove are parallel to each other, and the front surface of the first clamp body is matched with the second clamp body to perform the blood vessel occlusion operation.

Preferably, the first clamp body is directly integrated with the outer side surface of the fixing piece, and the outer side surface of the fixing piece can be matched with the second clamp body to perform the vascular occlusion operation.

Preferably, the free end of the fixing bandage is provided with a guide hole.

Preferably, the first clamp body is made of hard materials, and the second clamp body and the fixing bandage are made of soft materials.

Preferably, the first clamp body is provided with at least one convex strip or groove, and the second clamp body is provided with a corresponding groove or convex strip.

After the technical scheme is adopted, the blood vessel blocking device is small in size, can be conveniently placed into a human body from an incision of a minimally invasive surgery, is placed beside a blood vessel to be blocked, then the fixing bandage is pulled by surgical forceps or pliers to bypass the blood vessel, so that the second clamp body and the first clamp body clamp the blood vessel, then the fixing bandage is stretched into the fixing assembly to be fixed, and the second clamp body and the first clamp body are tightened to completely clamp the blood vessel to achieve the purpose of blocking the blood flow.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention in an expanded state;

fig. 2 is a first perspective view of a folded state according to the embodiment of the present invention;

fig. 3 is a perspective view of a second folded state according to the embodiment of the present invention;

FIG. 4 is a first schematic structural diagram of a fixing assembly according to an embodiment of the present invention;

FIG. 5 is a second schematic structural diagram of a fixing assembly according to an embodiment of the present invention;

FIG. 6 is a schematic view of the process of starting to tighten the securing tie in accordance with an embodiment of the present invention;

FIG. 7 is a schematic view of a fully constricted, vascular occlusion procedure according to an embodiment of the present invention;

FIG. 8 is a schematic view of a process of sliding the slide to withdraw the securing tie according to an embodiment of the present invention;

FIG. 9 is a schematic view of a process for pulling the securing tie to exit the slot in accordance with an embodiment of the present invention;

FIG. 10 is a perspective view of another embodiment of the present invention in an expanded state;

fig. 11 is a perspective view of a folded state according to another embodiment of the present invention.

Description of the symbols:

vascular occlusion device 100

Blood vessel A

First clip body 1

Convex strip 11

Groove 12

Front 13

Second clip body 2

Hinged end 102

Securing straps 3

Free end 31

Fixed tooth 32

Guide hole 33

Fastening assembly 4

Fixing member 41

Front end 411

Back end 412

Outer side 413

Top surface 414

Through groove 42

Sliding groove 43

Return groove 431

Tail end 4311

Slide 44

Sliding connection part 441

Sliding teeth 442

Fitting hole 443

Fixing hole 45

Stopper 46

Fixed end 461

Movable end 462

A connecting portion 463.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 3, the blood vessel blocking device 100 of the present invention includes a first clamp 1, a second clamp 2, a fixing tie 3 and a fixing assembly 4, wherein one end of the first clamp 1 is fixed on the fixing assembly 4, the other end of the first clamp is hinged to the second clamp 2, one end of the second clamp 2 away from the first clamp 1 is connected to the fixing tie 3, the other end of the fixing tie 3 is a free end 31, the fixing tie 3 is provided with a plurality of fixing teeth 32, the free end 31 of the fixing tie 3 can drive the second clamp 2 to rotate around the hinged ends 102 of the first clamp 1 and the second clamp 2, and the free end 31 can extend into the fixing assembly 4 to be locked, so that the first clamp 1 and the second clamp 2 are finally attached to each other; that is, referring to fig. 6 and 7, the blood vessel a can be clamped by the first clamp 1 and the second clamp 2 by pulling the fixing band 3, and after the fixing band 3 is further pulled to tightly attach the first clamp 1 and the second clamp 2, the blood flow in the blood vessel a can be blocked.

Referring to fig. 1 to 5, the fixing assembly 4 includes a fixing member 41, a through slot 42, a sliding slot 43, a sliding member 44, a fixing hole 45 and a limiting member 46, the through slot 42 penetrates from a front end 411 to a rear end 412 of the fixing member 41, the first clip body 1 is fixed on an outer side 413 of the fixing member 41 outside the through slot 42, the sliding slot 43 is arranged in the fixing member 41 inside the through slot 42 in parallel, the sliding member 44 is slidably mounted in the sliding slot 43, the sliding member 44 is provided with a sliding portion 441 facing the through slot 42, the sliding portion 441 is provided with a sliding tooth 442 matching with the fixing tooth 32, a top of the sliding member 44 is protruded from a top surface 414 of the fixing member 41, a matching hole 443 is concavely arranged at a top surface 414 of the fixing member 41 behind the sliding slot 43, the limiting member 46 is arranged at an opening of the through slot 42 at a rear end 412 of the fixing member 41, one end of the limiting member 46 is a fixing end 461 extending to an opening of the through slot 42 at the rear end 412 of the fixing member 41, the other end is a movable end 462 extending to the rear of the fixed hole 45, a connecting portion 463 extending from the fixed end 461 to the movable end 462 and fixed to the fixed member 41, the fixing band 3 can extend into the through groove 42 from the opening of the through groove 42 of the front end 411 of the fixed member 41, engage with the sliding teeth 442 of the sliding member 44, and then be placed in the fixed hole 45 and the engaging hole 443 respectively by using two ends (not shown) of the surgical forceps or pliers, the two ends of the surgical forceps or pliers are clamped to make the sliding member 44 slide on the sliding groove 43 toward the rear end 412 of the fixed member 41, so as to drive the fixing band 3 to move in the through groove 42 and finally pass through the through groove 42, the fixing teeth 32 of the fixing band 3 after passing through the through groove 42 abut against the fixed end 461 of the limiting member 46 (as shown in fig. 3), so as to prevent the fixing band 3 from sliding backwards, and then slide the sliding member 44 along the sliding groove 43 toward the front end 411 of the fixed member 41 to a back groove 431 described below, the sliding part 44 is slid towards the rear end 412 of the fixing part 41 on the sliding groove 43 again, and then the fixing bandage 3 is driven to move in the through groove 42, and the above operations are repeated until the first clamp body 1 and the second clamp body 2 are tightly attached and the blood flow in the blood vessel a is blocked.

As shown in fig. 2, 8 and 9, the sliding groove 43 of the fixing member 41 is further provided with a withdrawing groove 431 at the front end 411 of the fixing member 41, a tail end 4311 of the withdrawing groove 431 extends in a direction gradually away from the through groove 42 and forms an angle with the sliding groove 43, the sliding member 44 can slide back into the withdrawing groove 431 to separate the sliding teeth 442 from the fixed teeth 32, so when the vascular occlusion device 100 needs to be removed after the operation is finished, two ends of the forceps or the forceps can be respectively placed between the movable end 462 of the limiting member 46 and the fixed hole 45 to perform a clamping operation, at this time, the movable end 462 drives the fixed end 461 to incline to separate from the fixed teeth 32 of the fixing bandage 3, then the sliding member 44 withdraws back into the withdrawing groove 431 to separate the sliding teeth fixing member 442 from the fixed teeth 32, and then the fixing bandage 3 can be completely withdrawn from the through groove 42 of the fixing bandage 3 by pulling, further releasing the blood vessel A clamped by the first clamp body 1 and the second clamp body 2 to open the blood flow and remove the blood vessel blocking device 100; of course, the receding groove 431 may not be provided, and when the sliding groove 43 recedes to the front end 411 of the fixing member 41, a part of the fixing band 3 is pulled out of the through groove 42 of the fixing member 41, so that the blood vessel a clamped by the first clamp 1 and the second clamp 2 can be released after the fixing band 3 is directly cut off.

The free end 31 of the fixing bandage 3 can be further provided with a guide hole 33, so that the free end 31 can be conveniently pulled in an operation, and the guide hole 33 can be further provided with a pull rope (not shown) with a certain length, so that the pull rope can be pulled to more conveniently guide the fixing bandage 3 to enter the through groove 42 of the fixing piece 41.

As shown in fig. 1 and 6, the first clip body 1 is provided with at least one protruding strip 11 or groove 12, and the corresponding second clip body 2 is provided with a corresponding groove 12 or protruding strip 11, so that when the first clip body 1 and the second clip body 2 stably clamp the blood vessel a, the protruding strip 11 and the groove 12 can be mutually embedded to block blood flow, and the first clip body 1 and the second clip body 2 are prevented from sliding and slipping on the blood vessel a to affect the operation.

As shown in fig. 1 to 3, the first clip body 1 and the through slot 42 of the fixing member 41 can be arranged at 90 °, the front face 13 of the first clip body 1 is parallel to the front end 411 of the fixing member 41, and the protruding strip 11 or the groove 12 is arranged on the front face 13 of the first clip body for cooperating with the second clip body 2 to perform the blocking operation of the blood vessel a; of course, as shown in fig. 10 and 11, the first clip body 1 may be disposed with the back surface thereof being adhered to the fixing element 41 and being parallel to the through groove 42, or the first clip body 1 may be disposed directly with the outer side surface 413 of the fixing element 41 located outside the through groove 42 (not shown), the protruding strips 11 or the grooves 12 may be disposed on the outer side surface 413, and at this time, the front surface 13 or the outer side surface 413 of the first clip body 1 may be engaged with the second clip body 2 to clamp the blood vessel a.

First clamp 1 be hard material, and second clamp 2 and fixed ribbon 3 can be soft material, wear to stretch the operation between the tissue organ of human body with easily pulling fixed ribbon 3, soft fixed ribbon 3 only needs less operating space when wearing to stretch, the damage to surrounding tissue is also less, can drive soft second clamp 2 and also bypass blood vessel A after bypassing the blood vessel A of waiting to block when fixed ribbon 3, second clamp 2 and the first clamp 1 grasp blood vessel A in the front and back this moment, stretch into mounting 41 with fixed ribbon 3 and carry out fixed operation again, and then utilize fixed subassembly 4 to slowly tighten up second clamp 2 and first clamp 1, because first clamp 1 is hard material, so can guarantee sufficient tight effect, in order to carry out effectual blood flow block.

The blood vessel blocking device 100 of the utility model has a small volume, can be conveniently placed into a human body from a wound of a minimally invasive surgery, places the blood vessel blocking device 100 beside a blood vessel A to be blocked, please refer to fig. 6 and 7, and then uses surgical forceps or pliers to pull a pull rope or directly pull a fixing bandage 3 to bypass the blood vessel A, so that the second clamp body 2 and the first clamp body 1 are in a clamping state for the blood vessel A, then stretches the free end 31 of the fixing bandage 3 into a through groove 42 of a fixing assembly 4, uses the surgical forceps or pliers to operate a sliding piece 44 to slide, drives the free end 31 of the fixing bandage 3 to move towards the rear end 412 of the fixing piece 41 and stretch out of the through groove 42, and finally pulls the free end 31 of the fixing bandage 3 stretching out of the through groove 42 to continuously tighten the second clamp body 2 and the first clamp body 1 to completely clamp the blood vessel A, thereby achieving the purpose of blocking the blood flow; meanwhile, the through groove 42 at the rear end 412 of the fixing member 41 is provided with a limiting member 46 for limiting the fixing band 3 (as shown in fig. 3), so that the fixing band 3 can stably tighten the second clamp 2 and the first clamp 1 without loosening, thereby ensuring the stability of blocking the blood vessel a; because the minimally invasive surgery has a small surgical field and a small surgical space, the sliding groove 43 and the sliding piece 44 can be arranged, and then the surgical forceps or the forceps are matched with the fixing hole 45 and the matching hole 443 of the fixing component 4, and the sliding piece 44 is slid to fix the binding belt 3, so that the whole blood vessel A blocking process is easy to operate, the blood flow of the blood vessel A can be stably blocked without other complicated fixing operations such as knotting treatment, and the success rate and the safety rate of subsequent surgery operations can be improved.

The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the utility model, which is defined by the appended claims and their equivalents and modifications within the scope of the description.

Claims (10)

1. A vascular occlusion device, characterized by: including first clamp, second clamp, fixed ribbon and fixed subassembly, on first clamp one end was fixed in fixed subassembly, the other end was articulated the second clamp, the one end that first clamp was kept away from to this second clamp is connected with fixed ribbon, this fixed ribbon other end are the free end, are equipped with a plurality of fixed tooth on the fixed ribbon, and the free end of fixed ribbon can drive the second clamp and rotate round the hinged end of first clamp and second clamp, and the free end can stretch into and carry out the lock solid in the fixed subassembly, finally makes first clamp and second clamp laminate each other.

2. The vascular occlusion device of claim 1, wherein: the fixing assembly comprises a fixing piece, a through groove, a fixing hole and a limiting piece, the through groove is communicated with the rear end from the front end of the fixing piece, the first clamp body is fixed on the outer side face of the fixing piece outside the through groove, the fixing piece top face is concavely arranged in the fixing hole, the limiting piece is arranged at the opening of the through groove at the rear end of the fixing piece, one end of the limiting piece is a fixed end extending to the opening of the through groove at the rear end of the fixing piece, the other end of the limiting piece is a movable end extending to the rear end of the fixing hole, a connecting portion is fixedly arranged between the fixed end and the movable end in a extending mode towards the fixing piece, and the fixed teeth of the fixing ribbon can penetrate through the through groove and then abut against the fixed end of the limiting piece.

3. The vascular occlusion device of claim 2, wherein: the fixing assembly further comprises a sliding groove and a sliding piece, the sliding groove is formed in the fixing piece on the inner side of the penetrating groove in a parallel mode, the sliding piece is installed in the sliding groove in a sliding mode, a sliding portion is arranged on the sliding portion towards the penetrating groove direction, sliding teeth matched with the fixing teeth are arranged on the sliding portion, the top of the sliding piece is protruded from the top surface of the fixing piece, a matching hole is formed in the top of the sliding piece in a concave mode, the fixing hole is located behind the sliding groove, and the fixing ribbon is meshed with the sliding teeth of the sliding piece after stretching into the penetrating groove from the opening of the penetrating groove in the front end of the fixing piece.

4. The vascular occlusion device of claim 3, wherein: the sliding groove of the fixing piece is also provided with a retreating groove at the front end of the fixing piece, the tail end of the retreating groove extends towards the direction gradually far away from the through groove and forms an angle with the sliding groove, and the sliding piece can slide back into the retreating groove to enable the sliding teeth and the fixed teeth to be separated from each other.

5. The vascular occlusion device of claim 2, wherein: the first clamp body and the through groove of the fixing piece are arranged at 90 degrees, and the front face of the first clamp body is parallel to the front end face of the fixing piece and is used for being matched with the second clamp body to perform vascular occlusion operation.

6. The vascular occlusion device of claim 2, wherein: the back of the first clamp body is attached to the outer side face of the fixing piece, so that the first clamp body is parallel to the through groove, and the front of the first clamp body is matched with the second clamp body to perform the blood vessel blocking operation.

7. The vascular occlusion device of claim 2, wherein: the first clamp body is directly integrated with the outer side face of the fixing piece, and the outer side face of the fixing piece can be matched with the second clamp body to perform vascular occlusion operation.

8. The vascular occlusion device of any of claims 1-7, wherein: and a guide hole is formed in the free end of the fixing tie.

9. The vascular occlusion device of any of claims 1-7, wherein: the first clamp body is made of hard materials, and the second clamp body and the fixing binding belt are made of soft materials.

10. The vascular occlusion device of any of claims 1-7, wherein: the first clamp body is provided with at least one convex strip or groove, and the second clamp body is provided with a corresponding groove or convex strip.

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