CN213787616U - Deep small blood vessel ligation device - Google Patents

Abstract

The utility model provides a pair of dark tip small vessel ligature device, including handle module, locking module, handle module and locking module are connected, are equipped with in the locking module and are used for the hematal locking device of ligature, and handle module can control locking device and ligate the blood vessel. The deep blood vessel ligation device is simple, fast and convenient to operate, is suitable for the ligation and hemostasis of deep blood vessels of limbs, tumor excision nutritive blood vessels and deep blood vessels in microsurgery, greatly saves the time for the ligation of the deep blood vessels, improves the operation efficiency, and reduces the bleeding caused by tissue traction and blood vessel tearing.

Description

Deep small blood vessel ligation device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a deep small vessel ligation device.

Background

Many small blood vessels are generally encountered in surgical operations and need to be ligated for hemostasis, and particularly in some tumor operations, the blood vessels are too many, and the ligation of the blood vessels has many meanings: firstly, the bleeding in the operation is reduced, and the life safety of the operation patient is ensured; secondly, the visual field of the operation is clear, the smooth operation is facilitated, and the operation time is shortened; thirdly, the postoperative bleeding is reduced, and the wound recovery is facilitated.

However, the ligation hemostasis is difficult to be carried out on the dense small blood vessels at some parts, for example, in the tumor resection operation, the tumor nourishing blood vessels are rich, and the ligation of the tumor nourishing blood vessels brings great trouble to the operation. Sometimes because the vessels are dense, creating leaks that make bleeding difficult to control. Sometimes because the blood vessels are located deep or on the back of the tumor, they tear when they are detached or ligated, resulting in new bleeding. These conditions all aggravate bleeding, prolong the time of the operation and are not good for the recovery of the patient.

At present, the clinical hemostasis methods include the following methods: first, electrocoagulation hemostasis, which is a relatively common hemostasis method, is only feasible for tiny blood vessels, and is unsafe for electrocoagulation hemostasis for blood vessels with a diameter of more than 1mm, because blood vessels with a diameter of more than 1mm are prone to rebleeding due to the shedding of electrocoagulation plaque. Second, the suture ligature is hemostatic, this is the most traditional hemostasis mode, it is more firm after the ligature, it is effectual to stanch, the expense is low, consequently this kind of hemostasis mode all is used widely in different grades of hospitals, however, this mode also has different art persons' gimmick inconsistent, the knot may loosen and take off, operation time-consuming grade shortcoming, in addition when some vascular ligatures that are located the narrow space in deep, manual operation space of knoing is narrow and small, the one hand is deepened deeply to tie a knot and is torn the blood vessel easily and cause more serious hemorrhage, lead to hemostasis failure, seriously influence the operation process, simultaneously in the art, the easy hemorrhage of postoperative. Thirdly, in the field of minimally invasive surgery, such as laparoscopy and thoracoscope surgery, a titanium alloy vascular clamp is often used for blood vessel disjunction hemostasis, the hemostasis effect is good in the mode, but the defects that the operation cost is high, a metal foreign body cannot be absorbed by a body, imaging examination of imaging is hindered and the like exist, and in addition, a bulge formed after the vascular clamp clamps a blood vessel can occupy certain space of surrounding tissues to influence the activities of the tissues and visceral organs. There are also degradable vascular clamps on the market today that, while overcoming the interference with imaging examinations, cannot be used to maintain ligated vessels for long periods or permanently. Moreover, both metallic and absorbable vascular clamps risk loosening due to their vascular hemostasis based on the principle of V-shaped clipping, and uncontrolled bleeding can be life threatening to the patient once the clamp is loosened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a deep small vessel ligation device to solve the problem that proposes in the above-mentioned background art.

In order to realize the above object the utility model provides an adopted technical scheme is a little blood vessel ligation device in deep, including handle module, locking module, the handle module is connected with locking module, is equipped with the locking device who is used for the ligature blood vessel in the locking module, and the handle module can control locking device and ligate the blood vessel.

Further, the handle module is detachably connected with the locking module.

Further, the handle module comprises a gun-shaped housing and a push rod, and the push rod can move on the gun-shaped housing.

Furthermore, the ejector rod is provided with a special-shaped elastic sheet which can be contacted with a locking device in the locking module.

Furthermore, the special-shaped elastic sheet comprises two branch sections and a combined section, and the combined section is connected with the ejector rod.

Furthermore, a side elastic piece is arranged on the special-shaped elastic piece, one end of the side elastic piece is connected with the branch section, and the other end of the side elastic piece is connected with the merging section.

Furthermore, a hollow area for accommodating the blood vessel is arranged in the locking module, the locking device is positioned in the hollow area, the locking module is provided with an openable or closable notch, and the blood vessel can enter the hollow area through the notch.

Furthermore, one end of the locking device is provided with a first reverse buckle, the other end of the locking device is provided with a sleeve, a second reverse buckle is arranged in the sleeve, and the first reverse buckle can be buckled with the second reverse buckle.

Furthermore, the locking module comprises a first closing block and a second closing block, the handle module comprises a gun-shaped shell and a push rod, the push rod can move on the gun-shaped shell, the first closing block is connected with the gun-shaped shell, the push rod is connected with the second closing block, and the second closing block and the first closing block can move relatively.

Furthermore, a sliding rod is connected to the push rod, a sliding groove is formed in the gun-shaped shell, one end of the sliding rod is clamped into the sliding groove, the other end of the sliding rod is hinged to the push rod, the sliding groove comprises a first section located at the upper side, a third section located at the lower side and a second section located between the first section and the third section, the second section enables the first section to be communicated with the third section, and the third section is shorter than the first section.

To sum up, the beneficial effects of the utility model are that: the deep blood vessel ligation device can smoothly pass through a narrow space to finish ligation hemostasis, is simple, rapid and convenient to operate, is suitable for ligation hemostasis of deep blood vessels of limbs, nutritional blood vessels for tumor excision and deep blood vessels for microsurgery, greatly saves the time for ligation of the deep blood vessels, improves the operation efficiency, and reduces bleeding caused by tissue traction and blood vessel tearing; the hemostatic bag is mainly used for rapid ligation and hemostasis of blood vessels with the diameter of more than 1mm, can overcome the limitations and the defects mentioned in the background technology, and has the characteristics of rapidness, stability and safety; the locking device is a disposable consumable, has small size and saves materials, the used materials are non-absorbable biological materials which can be implanted into human bodies, the imaging of later-stage imaging examination is not interfered, and the blood vessels with different lumen diameters can be used by corresponding sizes, so that the locking device not only has the firmness of the traditional method for knotting, but also has the convenience of operation in narrow space, has small traction damage to adjacent tissues, saves more time and labor than the traditional method, and is more economical and practical for popularization and application; the self-locking belt locked by the locking device occupies a small space, can be well wrapped by surrounding tissues and does not influence the activities and functions of organ tissues such as muscle nerves, blood vessels and the like; the handle module and the locking module are made of metal materials, so that the handle module and the locking module can be sterilized and reused, and the waste of materials is reduced; the locking module has different sizes, can be used for ligation of blood vessels with different diameters, is convenient to disassemble from the handle module, and has the characteristics of flexibility and easiness in use.

Drawings

FIG. 1 is a schematic view of the handle module when separated from the locking module;

FIG. 2 is a schematic view of the handle module and locking module when assembled;

FIG. 3 is a schematic view of the locking module of FIG. 2 when engaged;

FIG. 4 is a schematic view of the trigger of FIG. 3 as it is depressed;

FIG. 5 is a schematic view of another embodiment of the handle module of FIG. 2;

FIG. 6 is an external structural view of FIG. 2;

FIG. 7 is an external view of the locking device;

fig. 8 is a schematic view of the structure of the pouch;

FIG. 9 is a schematic view of the locking device;

fig. 10 is a schematic view of a locking device with a flare.

Detailed Description

Embodiments of the invention will be described in further detail with reference to the drawings, it being understood that the examples are illustrative only and should not be taken as limiting the invention, and that all of the features disclosed in the examples or all of the steps in any method or process disclosed herein can be combined in any way, except for mutually exclusive features and/or steps.

This embodiment provides a deep small vessel ligation device, refer to fig. 1, including handle module 10, locking module 20, handle module 10 and locking module 20 detachable connection, locking device 30 is equipped with in the locking module 20, handle module 10 is the module of handheld and operation of operator, handle module 10 wholly embodies the molding for growing, can let locking device 30 in the locking module 20 extend and lock in entering into narrow and small space through handle module 10, realize the vascular ligation hemostasis in narrow and small space, easy operation is swift convenient, be applicable to four limbs deep vessel, tumour excision nutritive vessel, the deep vessel ligation hemostasis of microsurgery, the time of deep vessel ligation has been saved greatly, the efficiency of the operation is improved, the hemorrhage that tissue tractive and vascular tear and arouse has been reduced.

Specifically, the handle module 10 includes a gun-shaped housing 11, the gun-shaped housing 11 includes a gun handle portion 12 and a gun barrel portion 13, the gun handle portion 12 is a portion to be held by an operator, the gun-shaped housing 11 is provided with a push rod 14 and a push rod 15 at the position of the gun barrel portion 13, the push rod 14 and the push rod 15 can both slide on the gun-shaped housing 11, and the push rod 14 and the push rod 15 cannot be mutually influenced. Specifically, be equipped with the trigger 16 that can press on the rifle form casing 11, can drive ejector pin 14 left motion through pressing trigger 16, loosen trigger 16 back, trigger 16, ejector pin 14 all resumes initial position, the realization of this mechanism is many, for example, set up shell fragment 17 between trigger 16 and stock position 12, set up recess 18 on the ejector pin 14, trigger 16's articulated position sets up elastic separation blade 19, it is rotatory to drive elastic separation blade 19 through pressing trigger 16, elastic separation blade 19 is rotatory to drive ejector pin 14 through recess 18 and move to the left, after loosening trigger 16, trigger 16 reverse rotation resumes initial position under the effect of shell fragment 17, trigger 16 drives elastic separation blade 19 reverse rotation, elastic separation blade 19 drives ejector pin 14 through recess 18 and moves right and resumes initial position. In some other embodiments, referring to fig. 5, the recess 18, the resilient flap 19 can be replaced by a first tooth 90 and a second tooth 91, the first tooth 90 meshing with the second tooth 91, the second tooth 91 being located on a gear segment 92, the center of the gear segment 92 being connected to the hinged position of the trigger 16. In some other embodiments, the spring 17 is replaced by a coil spring, which is installed at the hinge position of the trigger 16 to replace the spring 17 to complete the rebound after the trigger 16 is pressed. In addition, there are many mechanical structures for extending the rear carrier rod 14 when the trigger 16 is pressed down and retracting the rear carrier rod 14 when the trigger 16 is released, such as a crank block mechanism, a crank link mechanism, etc., which are not described herein in detail.

Preferably, the pushing rod 15 is provided with a pressing portion 53 for the operator to control the pushing rod 15 to move.

Referring to fig. 1 and 7, the locking module 20 includes a first closing block 21 and a second closing block 22, the first closing block 21 and the second closing block 22 form the locking module 20 having a hollow area 23, the hollow area 23 is used for accommodating blood vessels during operation, the second closing block 22 and the first closing block 21 can move relatively, in an initial state, a gap 24 exists between the first closing block 21 and the second closing block 22, the gap 24 is used for placing blood vessels into the hollow area 23, after the second closing block 22 moves, the first closing block 21 is engaged with the second closing block 22, the gap 24 is closed, the blood vessels are located in the hollow area 23, the locking module 20 is provided with a buckle for connecting the handle module 10, specifically, the first closing block 21 is provided with a first buckle 26 for connecting the barrel portion 13, the second closing block 22 is provided with a second buckle 27 for connecting the push rod 15, in this state, the operator can engage the first closing die 21 with the second closing die 22 by pushing the push rod 15.

The design of buckle lets locking module 20 and handle module 10 dismantle conveniently, and locking module 20 has different size sizes simultaneously, and is corresponding, and locking device 30 of different sizes also is equipped with in locking module 20, can supply different diameter vascular ligatures to use, has nimble easy characteristics of using. The locking device 30 is a disposable consumable, is made of non-metal materials, has small size, less manufacturing materials and low manufacturing cost, and meanwhile, the locking device 30 made of the non-metal materials cannot interfere with imaging of later-stage imaging examination. In addition, the locking device 30 after locking occupies a very small space, can be well wrapped by surrounding tissues, and does not affect the activities and functions of organ tissues such as muscle nerves, blood vessels and the like.

Preferably, referring to fig. 6, in order to keep the first closing block 21 and the second closing block 22 engaged all the time and facilitate the ligation of blood vessels, a sliding rod 28 is connected to the push rod 15, a sliding slot 29 is provided on the barrel portion 13, one end of the sliding rod 28 is inserted into the sliding slot 29, the other end is hinged to the push rod 15, the sliding slot 29 includes a first section 93 located at an upper side, a third section 95 located at a lower side, and a second section 94 located between the first section 93 and the third section 95, the second section 94 connects the left side of the first section 93 with the left side of the third section 95, the third section 95 is shorter than the first section 93, when the sliding rod 28 slides to the right end of the third section 95, the first closing block 21 and the second closing block 22 are locked and engaged, when the sliding rod 28 slides to the right end of the first section 93, the first closing block 21 and the second closing block 22 are unlocked, the gap 24 is restored between the first closing block 21 and the second closing block 22, the restoration notch 24 is mainly used for removing the ligated blood vessel from the hollow region 23.

Preferably, in order to facilitate unlocking of the second closing block 22, a spring is arranged between the push rod 15 and the gun-shaped housing 11, when the operator pushes the slide rod 28 out of the third section 95, under the action of the spring, the push rod 15 rapidly drives the slide rod 28 to return, the slide rod 28 returns to the first section 93, and simultaneously the push rod 15 drives the second closing block 22 to unlock.

Referring to fig. 9, the locking device 30 is a self-locking belt, one end of the locking device 30 is provided with a first reverse buckle 31, the other end of the locking device 30 is provided with a sleeve 32, the sleeve 32 is hollow, the inner wall of the sleeve 32 is provided with a second reverse buckle 33, when one end of the first reverse buckle 31 of the locking device 30 penetrates through the sleeve 32, the second reverse buckle 33 is buckled with the first reverse buckle 31, due to locking between the reverse buckles, one end of the locking device 30 penetrating through the sleeve 32 can only slide in one direction, self-locking of the locking device 30 is achieved, and the situation that blood vessels are loosened after ligation can be effectively avoided through self-locking.

Preferably, a clamping groove 34 is further formed at one end of the locking device 30 close to the sleeve 32, and correspondingly, a protrusion 35 is formed at one end of the locking device 30 located at the first reverse buckle 31, and when the first reverse buckle 31 of the locking device 30 penetrates out of the sleeve 32, the protrusion 35 can be buckled into the clamping groove 34, so that double locking is achieved. Furthermore, the clamping groove 34 and the protrusion 35 are both square, so that the protrusion 35 is more firmly buckled into the clamping groove 34.

Preferably, the thickness of one end of the slot 34 of the locking device 30 is greater than that of one end of the first reverse buckle 31 of the locking device 30, so as to avoid that the thickness of one end of the slot 34 of the locking device 30 is reduced due to the slot 34, so that the locking device 30 is easy to break.

Preferably, referring to fig. 10, in order to facilitate that one end of the first reverse buckle 31 of the locking device 30 is clamped into one end of the sleeve 32 of the locking device 30, one end of the sleeve 32 of the locking device 30 is provided with a flare 36, and the flare 36 can guide one end of the first reverse buckle 31 of the locking device 30, so as to facilitate the first reverse buckle 31 to enter the sleeve 32 to be buckled with the second reverse buckle 33.

Preferably, referring to fig. 1, 6 and 8, the first closing die 21 and the second closing die 22 are provided with a fixing sleeve 50 at the position of the hollow area 23, the fixing sleeve 50 is provided with a notch 51, the fixing sleeve 50 is used for fixing the locking device 30 in the locking module 20, and the notch 51 is used for removing the locking device 30 from the locking module 20 after the locking device 30 completes the operation of ligating the blood vessel. The first closing block 21 and the second closing block 22 are both provided with fixing sleeves 50, the two fixing sleeves 50 are respectively used for fixing two ends of the locking device 30, a gap between the two ends of the locking device 30 corresponds to the position of the notch 24, when the first closing block 21 and the second closing block 22 are engaged, the two fixing sleeves 50 drive the two ends of the locking device 30 to approach each other, and one end of the first reverse buckle 31 of the locking device 30 is clamped into one end of the sleeve 32 of the locking device 30.

Preferably, referring to fig. 1 and 2, the left end of the top rod 14 is provided with a special-shaped elastic piece 60, the special-shaped elastic piece 60 comprises two branch sections 61 and a merging section 62, a certain included angle is opened between the two branch sections 61, a channel 25 communicating with the hollow area 23 is arranged in the locking module 20, when the locking module 20 is assembled with the handle module 10, the profiled resilient tab 60 passes through the channel 25 into the hollow area 23, the two branch sections 61 are expanded by a certain angle under the action of the locking device 30, and because the special-shaped elastic piece 60 has elasticity, during the expansion of the two limbs 61, the limbs 61 exert a clamping force on the locking device 30, since the locking device 30 is now confined within the hollow area 23 by the sleeve 50, when the locking device 30 is subjected to a clamping force, the locking device 30 will contract and the first undercut 31 of the locking device 30 will continue to snap into the end of the sleeve 32 of the locking device 30.

Preferably, in order to improve the resilience of the bifurcated section 61 after deformation, the shaped elastic sheet 60 is provided with a side elastic sheet 63, one end of the side elastic sheet 63 is connected with the bifurcated section 61, and the other end is connected with the merging section 62.

Preferably, referring to fig. 2, the first closing die 21 is provided with a guide protrusion 52 in order to allow the bifurcated portion 61 of the shaped elastic piece 60 to better contact with the locking device 30.

Preferably, the handle module 10 and the locking module 20 are made of metal materials, and can be reused after sterilization after operation, so that the waste of materials is reduced.

In order to make the technical solution of the present invention more convenient for the technical staff to understand, the following provides a specific using method by combining the specific structure of the present invention, referring to fig. 1-fig. 10, first fixing both ends of the locking device 30 in two fixing sleeves 50 on the first closing block 21 and the second closing block 22 respectively, and making the gap between both ends of the locking device 30 correspond to the gap 24 of the locking module 20, then extending the special-shaped elastic sheet 60 into the locking module 20 through the channel 25, and using the first buckle 26 and the second buckle 27 to complete the connection between the locking module 20 and the handle module 10, as shown in fig. 2;

an operator can enable the locking module 20 to enter a narrow space through the handle module 10, and enable a blood vessel to enter the locking device 30 through the notch 24, the operator pushes the push rod 15 to move, the slide rod 28 on the push rod 15 enters the third section 95 along the first section 93 and the second section 94, the first closing block 21 is occluded with the second closing block 22 and locked, the two fixing sleeves 50 drive the two ends of the locking device 30 to approach each other, one end of the first reverse buckle 31 of the locking device 30 is blocked into one end of the sleeve 32 of the locking device 30, the second reverse buckle 33 is occluded with the first reverse buckle 31, and the notch 24 is closed, so that primary locking is completed, as shown in fig. 3;

an operator presses the trigger 16 to drive the elastic blocking sheet 19 to rotate, the elastic blocking sheet 19 rotates to drive the ejector rod 14 to move left through the groove 18, the special-shaped elastic sheet 60 on the ejector rod 14 extends into the locking module 20, because the locking device 30 is limited in the hollow area 23 of the locking module 20, under the effect of continuous compression of the special-shaped elastic sheet 60, the locking device 30 continuously contracts under the clamping force of the special-shaped elastic sheet 60, one end of the first reverse buckle 31 of the locking device 30 is continuously clamped into one end of the sleeve 32 of the locking device 30 until the locking device 30 tightens a blood vessel, the locking device 30 cannot continuously contract any more, the locking device 30 is squeezed around the locking module 20 and the special-shaped elastic sheet 60, and the bulge 35 on the locking device 30 is buckled into the clamping groove 34 to realize double locking, as shown in fig. 4;

when an operator releases the trigger 16, the trigger 16 reversely rotates to restore the initial position under the action of the elastic sheet 17, the trigger 16 drives the elastic blocking sheet 19 to reversely rotate, and the elastic blocking sheet 19 drives the ejector rod 14 to right move to restore the initial position through the groove 18;

the operator pushes the sliding rod 28 out of the third section 95 of the sliding slot 29, the push rod 15 resets, the sliding rod 28 returns to the first section 93, the push rod 15 drives the second closing block 22 to unlock, the gap 24 reappears, the operator moves the blood vessel out of the gap, the locking device 30 falls off from the notch 51 due to the fact that the locking device 30 is fixed on the blood vessel at the moment, the locking device is separated from the locking module 20, the operator takes the locking module 20 out of the narrow space through the handle module 10, and then all blood vessel ligation operations are completed.

The above description is only the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through creative work should be covered within the protection scope of the present invention, and therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims (10)

1. The utility model provides a dark portion small blood vessel ligature device which characterized in that, includes handle module, locking module, and the handle module is connected with locking module, is equipped with the locking device who is used for the ligature blood vessel in the locking module, and the handle module can control locking device and ligate the blood vessel.

2. The deep small blood vessel ligation device according to claim 1, wherein the handle module is detachably connected to the locking module.

3. The deep small blood vessel ligation device according to claim 1, wherein the handle module comprises a gun shaped housing and a push rod, the push rod being movable on the gun shaped housing.

4. The deep small blood vessel ligation device according to claim 3, wherein the ejector rod is provided with a shaped elastic piece which can contact with the locking device in the locking module.

5. The deep small blood vessel ligation device according to claim 4, wherein the shaped elastic piece comprises two diverging sections and a merging section, and the merging section is connected with the push rod.

6. The deep small blood vessel ligation device according to claim 5, wherein the shaped elastic piece is provided with a lateral elastic piece, one end of the lateral elastic piece is connected with the branch section, and the other end of the lateral elastic piece is connected with the merging section.

7. The deep small blood vessel ligation device according to claim 1, wherein the locking module has a hollow region for receiving the blood vessel, the locking device is located in the hollow region, and the locking module has an openable or closable notch through which the blood vessel can enter the hollow region.

8. The deep small blood vessel ligation device according to claim 1, wherein a first reverse buckle is provided on one end of the locking device, a sleeve is provided on the other end of the locking device, a second reverse buckle is provided in the sleeve, and the first reverse buckle can be buckled with the second reverse buckle.

9. The deep small blood vessel ligation device according to claim 1, wherein the locking module comprises a first closing block and a second closing block, the handle module comprises a gun-shaped housing and a push rod, the push rod can move on the gun-shaped housing, the first closing block is connected with the gun-shaped housing, the push rod is connected with the second closing block, and the second closing block and the first closing block can move relatively.

10. The deep small blood vessel ligation device according to claim 9, wherein a slide bar is connected to the push rod, a slide slot is provided on the gun-shaped housing, one end of the slide bar is inserted into the slide slot, and the other end is hinged to the push rod, the slide slot comprises a first section located at an upper side, a third section located at a lower side, and a second section located between the first section and the third section, the second section communicates the first section with the third section, and the third section is shorter than the first section.

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