CN219207263U - Closed type tumor separator for laparoscope - Google Patents

Abstract

The utility model discloses a closed type tumor separator for a laparoscope, which comprises the following components: the front end of the shell is connected with a sleeve, and a push rod is arranged in the sleeve; the clamp handle assembly comprises a first clamp handle and a second clamp handle, the first clamp handle is hinged with the second clamp handle, and the first clamp handle and the second clamp handle are both connected with the front end of the push rod; the clamping assembly comprises a first rack and a second rack, and the first rack and the second rack are respectively and rotatably connected with the first clamp handle and the second clamp handle; the first rack and the second rack are connected with the bag opening of the object taking bag; under the meshing action of the first rack and the second rack, the tissue connected with the tumor is bitten tightly, so that the tumor is resected in a closed environment, and the problem that the tumor overflows to the pelvic cavity is avoided.

Description

Closed type tumor separator for laparoscope

Technical Field

The utility model relates to the technical field of surgical instruments, in particular to a closed type tumor separator for a laparoscope.

Background

With the development of medical technology, minimally invasive technology is vigorously developed, and the application field of laparoscopic endoscope technology is wider and wider, so that the method can be almost applied to operations of all gynecological benign diseases and most malignant tumor operations.

How to follow the non-tumor principle in laparoscopic surgery, and reducing the tumor exposure risk is always a hot topic of tumor gynecology. For example, when the ovarian tumor is clinically treated, the method of taking a specimen in a specimen bag and cutting off the specimen is generally adopted for excision, but the step is operated in a non-closed environment, and the risk that the tumor overflows to the pelvic cavity is still possible in some cases.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art.

The utility model provides a closed type tumor disconnecting device for a laparoscope, which comprises a shell, wherein the rear end of the shell is fixedly connected with a fixed handle, the rear end of the shell is rotatably connected with a movable handle, the front end of the shell is connected with a sleeve, a push rod is arranged in the sleeve, the rear end of the push rod is connected with the movable handle, and the movable handle can drive the push rod to move forwards and backwards; the clamp handle assembly comprises a first clamp handle and a second clamp handle, the first clamp handle is hinged with the second clamp handle, the first clamp handle and the second clamp handle are both connected with the front end of a push rod, and the push rod can drive the first clamp handle and the second clamp handle to open and close relatively; the clamping assembly comprises a first rack and a second rack, the first rack and the second rack are respectively and rotatably connected with the first clamp handle and the second clamp handle, and the first rack can be meshed with the second rack; the first rack and the second rack are connected with the bag opening of the object taking bag; the barrel is provided with a containing cavity with an opening arranged forward, and the object taking bag and the clamping assembly can enter and exit the front end opening of the containing cavity.

The sealed type tumor separator for the laparoscope has the following beneficial effects: before the sealed type tumor breaker for the laparoscope enters the abdominal cavity, the object taking bag and the clamping assembly can be contained in the cylinder body so as to avoid the problem that the object taking bag is large in size and cannot penetrate through the puncture outfit; the first rack and the second rack are respectively connected with the first clamp handle and the second clamp handle in a rotating way, and the first rack and the second rack are both connected with the bag opening of the object taking bag, so that the first rack and the first clamp handle form a folding angle, and the second rack and the second clamp handle form a folding angle, so that the bag opening of the object taking bag can be conveniently adjusted to the direction facing the tumor; the movable handle can drive the push rod to move forwards and backwards, and when the push rod moves forwards and backwards, the push rod can drive the first clamp handle and the second clamp handle to be far away, namely the first rack and the second rack are far away from each other, so that the bag mouth of the object taking bag is opened, and tumors are conveniently sleeved into the object taking bag; when the push rod is driven by the handle to move backwards, the push rod can drive the first clamp handle and the second clamp handle to be gradually closed, namely the first rack and the second rack are closed, and under the meshing action of the first rack and the second rack, tissues connected with tumors are clamped tightly, so that the relative position relationship between the first rack and the second rack and the tissues connected with the tumors is fixed, a doctor can separate the connected tissues along the length direction of the first rack and the length direction of the second rack, the tumor is resected in a closed environment, and the problem that tumors overflow to the pelvis is avoided.

According to some embodiments of the utility model, the utility model further comprises a rotary elastic member, wherein the rotary elastic member is connected to the rotary connection of the first rack and the first clamp handle, and the rotary elastic member is connected to the rotary connection of the second rack and the second clamp handle.

Specifically, a rotary elastic piece is arranged at the rotary connection part of the first rack and the first clamp handle, when the rotary connection part of the first rack and the first clamp handle is accommodated in the cylinder body, the elasticity of the rotary elastic piece can be overcome by means of the pressure of the inner wall of the cylinder body, so that the first rack and the object taking bag can be accommodated in the cylinder body, the first rack and the object taking bag can conveniently penetrate through the puncture outfit to enter the pelvic cavity of a patient, when the first rack stretches out of the cylinder body, the pressure of the cylinder body on the rotary elastic piece gradually disappears, the first rack rotates relative to the first clamp handle under the elastic action of the rotary elastic piece, and further, the first rack and the first clamp handle form a folding angle so as to conveniently adjust the orientation of the bag opening of the object taking bag, and the object taking bag is sleeved on a tumor; the rotation junction of second rack and second pincers handle is equipped with rotatory elastic component, when the rotation junction holding of second rack and second pincers handle is in the barrel, with the help of the pressure of barrel inner wall, thereby can overcome rotatory elastic component's elasticity, make second rack and get the thing bag and can the holding in the barrel, so that second rack and get the thing bag and pass the puncture ware and get into patient's pelvic cavity, when the barrel is stretched out to the second rack, the barrel is to rotatory elastic component's pressure gradually vanishes, under rotatory elastic component's elasticity effect, make second rack rotatory relative second pincers handle, and then make second rack and second pincers handle form the dog-ear, so that adjust the orientation of getting the sack of thing bag, so that with getting the thing bag cover tumour.

According to some embodiments of the utility model, the bag mouth of the object taking bag is provided with a slot which is annularly arranged, the slot is provided with two openings, and the first rack and the second rack can respectively pass through the two openings.

The pocket mouth department that gets the thing bag is equipped with the slot that is annular setting, and two openings are passed respectively to first rack and second rack set up to make the pocket mouth that gets the thing bag open and shut along with opening and shutting of first rack and second rack, when first rack and second rack meshing, thereby can make the pocket mouth that gets the thing bag tightly close, be favorable to reducing the risk that the tumour overflows to the pelvic cavity, when first rack and second rack open, be favorable to making the pocket mouth that gets the thing bag open, be favorable to emboliaing the pocket mouth department that gets the thing bag with the tumour.

According to some embodiments of the utility model, the utility model further comprises a fixing piece, the front end of the push rod is provided with a fixing hole, the periphery of the object taking bag is wound with a connecting rope, two ends of the connecting rope are converged to the fixing hole, and the fixing piece is detachably connected with the fixing hole and used for fixing the connecting rope at the fixing hole.

The both ends of connecting the rope are drawn together to fixed orifices department, the mounting is used for fixing the rope of connecting in fixed orifices department, when the handle drive push rod forward movement is used for, the push rod can drive first rack and second rack and open gradually, and because the fixed orifices is close to first rack and second rack, make the rope of connecting loose, get the expansion degree of the sack of thing bag increase, cooperate other surgical instruments, can cup joint the thing bag on the tissue that links to each other with the tumour, when the handle drive push rod backward movement, the push rod can drive first rack and second rack and draw close gradually, and because the fixed orifices keep away from first rack and second rack, make the sack of getting the thing bag shrink gradually, make the sack of getting the thing bag can laminate with first rack and second rack, thereby can reduce the tumour and spill and expose the risk at the pelvis from getting the thing bag.

According to some embodiments of the utility model, the front ends of the first rack and the second rack are respectively provided with a perforation, the connecting rope is arranged in the slot in a penetrating way, and two ends of the connecting rope respectively pass through the two perforations.

The front ends of the first rack and the second rack are respectively provided with a perforation, the connecting rope is wound at the object taking bag and is arranged in the slot, two ends of the connecting rope respectively penetrate through the two perforations, when the push rod is close to the clamping assembly, the connecting rope can be loosened relative to the first rack and the second rack, the opening degree of the opening of the object taking bag is increased when the first rack and the second rack are opened, so that tissues needing to be cleared can be sleeved into the object taking bag, when the push rod is far away from the clamping assembly, namely, the connecting rope is tightened, the object taking bag is tightened with the first rack and the second rack, and when the first rack and the second rack are meshed with tissues connected with tumors, the problem that pathological tissues needing to be cleared leak from a gap between the object taking bag and the first rack or the second rack is avoided.

According to some embodiments of the utility model, the inner peripheral surface of the fixing hole is provided with an internal thread, one end of the fixing piece is provided with an external thread, and the fixing piece is in threaded connection with the fixing hole.

The internal thread is established to the inner peripheral surface department of fixed orifices, and the one end of mounting is equipped with the external screw thread, when the both ends of connecting the rope are received and are tied up to fixed orifices department, through the threaded connection of mounting and fixed orifices, can satisfy the connecting rope and remove along with the push rod and tensioning or lax user demand, when getting the interior pathological change tissue of thing bag and being difficult to take out the human body, the separation of user's accessible mounting and fixed orifices, thereby realize getting the separation of thing bag and clamping assembly, and will get the thing bag and take out the human body or open the sack of getting the thing bag and take out the tissue after again pulling out the thing bag through connecting the rope.

According to some embodiments of the utility model, the utility model further comprises a first connecting rod, wherein the movable handle is positioned in front of the fixed handle, and two ends of the first connecting rod are respectively connected with the movable handle and the rear end of the push rod in a rotating way.

The movable handle is arranged in front of the fixed handle, when the movable handle is pulled backwards, the movable handle can rotate relative to the shell, under the transmission action of the first connecting rod, the push rod can move forwards, the first clamp handle is opened relative to the second clamp handle, when the movable handle moves forwards, the movable handle can rotate relative to the shell, under the transmission action of the first connecting rod, the push rod can be pulled backwards, the first clamp handle is closed relative to the second clamp handle, and the use requirement that the first clamp handle and the second clamp handle are opened and closed relatively is met.

According to some embodiments of the utility model, the push rod comprises a first sub rod and a second sub rod which are arranged front and back, the rear end of the first sub rod is provided with a spherical clamping block, the front end of the second sub rod is provided with a spherical groove, and the spherical clamping block is clamped with the spherical groove.

The push rod is including being the first son pole and the second son pole that arrange from beginning to end, and first son pole passes through the cooperation of spherical fixture block and spherical recess with the second son pole to can realize the connection of first son pole and second son pole, satisfy the user demand that the push rod needs the back-and-forth movement under the drive action of handle.

According to some embodiments of the utility model, the utility model further comprises a second connecting rod and a third connecting rod, wherein two ends of the second connecting rod are respectively connected with the first clamp handle and the push rod in a rotating way, and two ends of the third connecting rod are respectively connected with the second clamp handle and the push rod in a rotating way.

Specifically, when the push rod moves forward, the push rod drives the second connecting rod to move, and then drives the first clamp handle to open, the push rod can drive the third connecting rod to synchronously move, and then drives the second clamp handle to synchronously move with the first clamp handle, so that the use requirement of the first clamp handle and the second clamp handle for opening and closing relatively is met.

According to some embodiments of the utility model, the utility model further comprises a hanging rod, wherein a stand column is arranged at the position of the movable handle, one end of the hanging rod is rotatably connected with the fixed handle, and the other end of the hanging rod can be hung on the stand column.

In order to keep the relative position relation of the movable handle and the fixed handle, thereby avoiding the occurrence of the problem that the medical staff is required to continuously hold, the sealed type tumor disconnecting device for the laparoscope further comprises a hanging rod, one end of the hanging rod is rotationally connected with the fixed handle, when the first clamp handle and the second clamp handle are closed, the hanging rod can be hung on the upright post, thereby fixing the relative position relation of the movable handle and the fixed handle, keeping the first clamp handle and the second clamp handle in a closed state, and further realizing the relative fixation of the first clamp handle and the second clamp handle and tissues connected with tumors.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic perspective view of a sealed tumor separator for laparoscope according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a sealed tumor separator (with a portion of the sleeve omitted) for laparoscope according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a sealed tumor breaker for laparoscope in an unfolded state according to the embodiment of the present utility model;

FIG. 4 is a schematic view of a closed tumor separator for laparoscope in a closed state according to the embodiment of the present utility model;

FIG. 5 is a schematic view showing a separation structure of an object-taking bag and a sleeve of a sealed type tumor separator for a laparoscope according to the embodiment of the present utility model;

fig. 6 is a schematic structural view of an object-taking bag of a sealed type tumor separator for a laparoscope according to the embodiment of the utility model.

In the accompanying drawings:

100. a housing; 210. a fixed handle; 211. a hanging rod; 220. a movable handle; 221. a column; 300. a sleeve; 400. a push rod; 410. a first sub-lever; 411. a fixing hole; 412. a fixing member; 420. a second sub-lever; 500. a clamp handle assembly; 510. a first clamp handle; 520. a second clamp handle; 600. a clamping assembly; 610. a first rack; 620. a second rack; 630. perforating; 700. a fetching bag; 710. a slot; 720. a connecting rope; 800. a cylinder; 910. a first link; 920. a second link; 930. and a third link.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the meaning of a number is not quantitative, and the meaning of a number is two or more, and greater than, less than, exceeding, etc. are understood to exclude the present number, and the meaning of above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated. In addition, three parallel schemes are presented and/or represented throughout, e.g., a and/or B represent a scheme that is met by a, a scheme that is met by B, or a scheme that is met by a and B simultaneously.

In the description of the utility model, there are phrases containing a plurality of parallel features, where the phrase defines a feature that is closest, for example: b, C provided on A, E connected with D, which means that B is provided on A, E connected with D, and C is not limited; but for the words representing the relationship between features, such as "spaced arrangement", "annular arrangement", etc., do not belong to this category. The phrase preceded by a "homonym" indicates that all features in the phrase are defined, e.g., B, C, D, all disposed on a, and B, C and D are disposed on a.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Embodiments of the present utility model are described below in conjunction with fig. 1-6.

First embodiment referring to fig. 1 and 6, an embodiment of the present utility model provides a sealed tumor breaker for laparoscope, comprising: a housing 100, a clamp handle assembly 500, a clamp assembly 600, a bag 700, and a barrel 800.

The rear end of the housing 100 is connected with a fixed handle 210 and a movable handle 220, the movable handle 220 is rotationally connected with the housing 100, the fixed handle 210 is fixedly connected with the housing 100, the front end of the housing 100 is connected with a sleeve 300, the sleeve 300 is communicated with the housing 100, a push rod 400 is arranged in the sleeve 300, the rear end of the push rod 400 is rotationally connected with a first connecting rod 910, two ends of the first connecting rod 910 are respectively rotationally connected with the push rod 400 and the movable handle 220, a torsion spring is arranged at the joint of the movable handle 220 and the housing 100, in a natural state, the torsion spring can enable the movable handle 220 to keep a certain distance with the fixed handle 210, when a user holds the movable handle 220 and enables the movable handle 220 to move backwards, under the connecting action of the first connecting rod 910, the first connecting rod 910 can drive the push rod 400 to move forwards, and after the user releases the movable handle 220, under the action of the torsion spring, the first connecting rod 910 can drive the push rod 400 to move forwards and backwards along the sleeve 300.

Referring to fig. 2, in detail, the push rod 400 includes a first sub-rod 410 and a second sub-rod 420 arranged front and back, a spherical clamping block is disposed at the rear end of the first sub-rod 410, a spherical groove is disposed at the front end of the second sub-rod 420, and the spherical clamping block is clamped with the spherical groove, for example, the first sub-rod 410 and the second sub-rod 420 are connected through a spherical joint, a universal joint, or the like. The first sub-rod 410 and the second sub-rod 420 are matched through the spherical clamping blocks and the spherical grooves, so that the connection between the first sub-rod 410 and the second sub-rod 420 can be realized, and the use requirement that the push rod 400 needs to move back and forth under the driving action of the handle 220 is met.

The first clamp handle 510 and the second clamp handle 520 are both connected with the front end of the push rod 400, and the push rod 400 can drive the first clamp handle 510 and the second clamp handle 520 to open and close relatively. When the movable handle 220 is pulled backwards, the movable handle 220 can rotate relative to the housing 100, under the transmission action of the first connecting rod 910, the push rod 400 can be made to move forwards, so that the first clamp handle 510 is opened relative to the second clamp handle 520, when the movable handle 220 moves forwards, the movable handle 220 can rotate relative to the housing 100, under the transmission action of the first connecting rod 910, the push rod 400 can be made to pull backwards, so that the first clamp handle 510 is closed relative to the second clamp handle 520, and the use requirement that the first clamp handle 510 and the second clamp handle 520 are opened and closed relatively is met.

Referring to fig. 3, the clamp handle assembly 500 further includes a fixing base, the first clamp handle 510 and the second clamp handle 520 are both rotatably connected with the fixing base, the fixing base is fixedly connected with the front end of the sleeve 300, and the rear ends of the first clamp handle 510 and the second clamp handle 520 are both rotatably connected with the push rod 400, so as to meet the use requirement that the first clamp handle 510 and the second clamp handle 520 need to rotate relatively.

The clamping assembly 600 includes a first rack 610 and a second rack 620, the first rack 610 and the second rack 620 being rotatably coupled to the first clamp handle 510 and the second clamp handle 520, respectively, the first rack 610 being capable of meshing with the second rack 620; that is, the first rack 610 and the second rack 620 may be opened and closed according to the opening and closing of the first jaw handle 510 and the second jaw handle 520. The first rack 610 and the second rack 620 are both connected to the mouth of the bag 700.

Because the first rack 610 and the second rack 620 are respectively connected with the first clamp handle 510 and the second clamp handle 520 in a rotating way, and the first rack 610 and the second rack 620 are both connected with the mouth of the object taking bag 700, the first rack 610 and the first clamp handle 510 form a folding angle through the relative rotation of the first rack 610 and the first clamp handle 510, and the second rack 620 and the second clamp handle 520 form a folding angle through the relative rotation of the second rack 620 and the second clamp handle 520, so that the mouth of the object taking bag 700 faces tumors.

The movable handle 220 can drive the push rod 400 to move back and forth, and when the push rod 400 moves back and forth, the push rod 400 can drive the first clamp handle 510 and the second clamp handle 520 to be far away, namely the first rack 610 and the second rack 620 are far away from each other, so that the bag mouth of the object taking bag 700 is opened, and a tumor is conveniently sleeved in the object taking bag 700; when the push rod 400 is driven to move backward by the handle 220, the push rod 400 can drive the first forceps handle 510 and the second forceps handle 520 to gradually close, namely, the first rack 610 and the second rack 620 are mutually close, and under the meshing action of the first rack 610 and the second rack 620, the first rack 610 and the second rack 620 bite tissues connected with tumors, so that the relative position relationship between the first rack 610 and the second rack 620 and the connected tissues is fixed, a doctor can separate the tissues along the length direction of the first rack 610 and the second rack 620, the tumor is resected in a closed environment, and the problem that the tumors overflow to the pelvis is avoided.

Referring to fig. 2, the front end of the housing 100 is further provided with a knob, which is rotatable with respect to the housing 100, and a sleeve 300 is coaxially disposed and connected with the knob. When the knob rotates, the knob can drive the sleeve 300 to rotate, the fixed seat is connected with the front end of the sleeve 300, and then the first clamp handle 510 and the second clamp handle 520 can be driven to rotate relatively, when the object taking bag 700 is sleeved on the first clamp handle 510 and the second clamp handle 520, the orientation of the bag opening can be adjusted, so that the object taking bag 700 is sleeved on a tumor, and the pathological tissue can be conveniently resected. The knob is beneficial to increasing the operation flexibility of the closed type tumor release device for the laparoscope, and can meet the use requirement of a relatively narrow space under the laparoscopic surgery.

The ball-shaped latch and the ball-shaped recess are provided such that the first sub-lever 410 can rotate with the sleeve 300, while the second sub-lever 420 maintains the coupled state with the handle 220. The aperture of the bag opening of the object taking bag 700 can be 10-12cm and the depth is 15cm, so that the requirements of excision of most tumors, such as the use requirements of excision of uterus and vagina for uterine tumors, are met. The bag 700 may be a high strength polyurethane film to ensure the strength and stretch of the bag 700.

The outer circumferential surface of the knob may be provided with anti-slip lines, such as anti-slip grooves, etc., so that the friction of the knob with the human hand may be increased, so that the medical staff may operate the knob, thereby rotating the first and second jaw handles 510 and 520 to a proper angle.

The sealed type tumor disconnecting device for the laparoscope further comprises a second connecting rod 920 and a third connecting rod 930, wherein two ends of the second connecting rod 920 are respectively and rotatably connected with the first forceps handle 510 and the push rod 400, and two ends of the third connecting rod 930 are respectively and rotatably connected with the second forceps handle 520 and the push rod 400.

Referring to fig. 3, when the push rod 400 moves forward, the push rod 400 drives the second connecting rod 920 and the third connecting rod 930 to move synchronously, so as to drive the second forceps handle 520 and the first forceps handle 510 to move synchronously, thereby meeting the requirement of the first forceps handle 510 and the second forceps handle 520 for opening and closing relatively, and the opening and closing angle of the first forceps handle 510 and the second forceps handle 520 can reach 0 to 90 degrees through the length design of the second connecting rod 920 and the third connecting rod 930, so as to meet the requirement of taking out most of pathological tissues.

Referring to fig. 6, a slot 710 is disposed at a mouth of the bag 700, the slot 710 may be located at an outer peripheral surface of the bag 700, and the slot 710 may be made of folded fabric by a hot-melt process. The slot 710 is provided with two openings, when the first rack 610 and the second rack 620 can respectively pass through the two openings, that is, the first rack 610 and the second rack 620 pass through the two openings to be inserted into the slot 710, so that the object taking bag 700 is sleeved at the first rack 610 and the second rack 620, and the bag mouth of the object taking bag 700 can be opened and closed relatively along with the opening and closing of the first rack 610 and the second rack 620.

The outer periphery of the object taking bag 700 is further wound with a connecting rope 720, the connecting rope 720 can be arranged in the slot 710 in a penetrating manner, two ends of the connecting rope 720 can penetrate out from two openings, the front ends of the first rack 610 and the second rack 620 are respectively provided with a perforation 630, two ends of the connecting rope 720 respectively penetrate through the two perforations 630, so that the connecting rope 720 is connected with the first rack 610 and the second rack 620, and when the first rack 610 and the second rack 620 are opened, the connecting rope 720 can be driven to be tensioned or loosened.

The front end of the first sub-rod 410 is provided with a fixing hole 411, an internal thread can be arranged on the inner circumferential surface of the fixing hole 411, the sealed type tumor separator for the laparoscope further comprises a fixing piece 412, one end of the fixing piece 412 is provided with an external thread, a strip-shaped hole is arranged on the sleeve 300, after two ends of the connecting rope 720 are converged to the fixing hole 411, a user can pass the fixing piece 412 through the strip-shaped hole to realize threaded connection between the fixing piece 412 and the fixing hole 411, and the fixing piece 412 is used for fixing the connecting rope 720 at the fixing hole 411.

The cylinder 800 is provided with a containing cavity with a forward opening, when the first rack 610 and the second rack 620 of the clamping assembly 600 are in a folded state, the clamping assembly 600 and the object taking bag 700 can be contracted in the containing cavity together, which is beneficial to reducing the volume of the object taking bag 700, so that the sealed type tumor separator for laparoscope can pass through the puncture outfit and then enter the abdominal cavity of a human body.

Before the sealed tumor breaker for laparoscope enters the abdominal cavity, the object taking bag 700 and the clamping assembly 600 can be stored in the cylinder 800, so that the problem that the object taking bag 700 cannot penetrate through the puncture outfit due to large volume is avoided, and after the sealed tumor breaker for laparoscope penetrates through the puncture outfit, the object taking bag 700 and the clamping assembly 600 can extend out of the cylinder 800, so that the object taking bag 700 and the clamping assembly 600 can enter the abdominal cavity of a human body.

A rotational elastic member is connected to a rotational connection between the first rack 610 and the first jaw handle 510, and a rotational elastic member is connected to a rotational connection between the second rack 620 and the second jaw handle 520. In particular, the rotary elastic member may be a torsion spring.

The rotating connection part of the first rack 610 and the first clamp handle 510 is provided with a rotating elastic piece, when the rotating connection part of the first rack 610 and the first clamp handle 510 is accommodated in the cylinder 800, the elasticity of the rotating elastic piece can be overcome by means of the pressure of the inner wall of the cylinder 800, so that the first rack 610 and the object taking bag 700 can be accommodated in the cylinder 800, the first rack 610 and the object taking bag 700 can penetrate through the puncture outfit to enter the pelvis of a patient, when the first rack 610 stretches out of the cylinder 800, the pressure of the cylinder 800 on the rotating elastic piece gradually disappears, the first rack 610 rotates relative to the first clamp handle 510 under the elastic action of the rotating elastic piece, and then the first rack 610 and the first clamp handle 510 form a folding angle so as to adjust the orientation of the bag mouth of the object taking bag 700, and the object taking bag 700 can cover tumors.

The rotational connection part of the second rack 620 and the second clamp handle 520 is provided with a rotational elastic member, when the rotational connection part of the second rack 620 and the second clamp handle 520 is accommodated in the cylinder 800, the elasticity of the rotational elastic member can be overcome by means of the pressure of the inner wall of the cylinder 800, so that the second rack 620 and the object taking bag 700 can be accommodated in the cylinder 800, the second rack 620 and the object taking bag 700 can conveniently penetrate through the puncture outfit to enter the pelvis of a patient, when the second rack 620 stretches out of the cylinder 800, the pressure of the cylinder 800 on the rotational elastic member gradually disappears, the second rack 620 rotates relative to the second clamp handle 520 under the elastic effect of the rotational elastic member, and then the second rack 620 and the second clamp handle 520 form a folding angle so as to conveniently adjust the orientation of the bag mouth of the object taking bag 700, and the object taking bag 700 can cover tumors.

In order to maintain the relative positional relationship between the barrel 800 and the clamping assembly 600, so as to avoid the problem that the barrel 800 moves forward to limit the operation of the clamping assembly 600 during the operation, the rear end of the barrel 800 is provided with a first threaded portion, and the front end of the housing 100 is provided with a second threaded portion, so that when the object taking bag 700 and the clamping assembly 600 need to be pushed to extend out of the barrel 800, a user can make the housing 100 move forward relative to the barrel 800, and after the object taking bag 700 and the clamping assembly 600 move in place, the user can fix the relative positional relationship between the barrel 800 and the clamping assembly 600 by screwing the first threaded portion and the second threaded portion.

To avoid the interference of the opening and closing of the clamping assembly 600 and the adjustment of the fixing member 412 by the cylinder 800, it should be maintained that the first rack 610, the second rack 620 and the fixing member 412 may be completely protruded out of the receiving cavity of the cylinder 800 when the first screw part is screw-coupled with the second screw part.

Referring to fig. 3, after the object taking bag 700 and the clamping assembly 600 extend into the abdominal cavity of the human body, when the handle 220 is driven to move the push rod 400 forward, the push rod 400 can drive the first rack 610 and the second rack 620 to gradually open, and as the fixing hole 411 is close to the first rack 610 and the second rack 620, the connection rope 720 is loosened, the opening degree of the bag opening of the object taking bag 700 is increased, and the bag opening of the object taking bag 700 can be enlarged and sleeved on a tumor by matching with other surgical instruments, for example, for a cervical cancer patient, the object taking bag 700 can be sleeved on the uterus and the vagina. Referring to fig. 4, when the push rod 400 is driven by the moving handle 220 to move backward, the push rod 400 can drive the first rack 610 and the second rack 620 to be gradually close, and as the fixing hole 411 is far away from the first rack 610 and the second rack 620, the connecting rope 720 is tensioned, so that the mouth of the fetching bag 700 is gradually contracted, and the mouth of the fetching bag 700 can be close to be attached to the first rack 610 and the second rack 620, so that the risk that a tumor leaks from the fetching bag 700 and is exposed to the pelvis can be reduced.

Referring to fig. 5, when it is desired to remove the lesion tissue from the human body, the retrieval bag 700 is removed from the human body in such a manner that the whole body of the housing 100 is pulled back for a smaller lesion tissue. When the lesion tissue in the bag 700 is too large to be taken out, the user can separate the bag 700 from the holding assembly 600 by separating the fixing member 412 from the fixing hole 411, and pull the bag 700 out of the human body or open the mouth of the bag 700 to take out the tissue, and pull the bag 700.

The first rack 610 and the second rack 620 can be meshed with each other, for example, for cervical cancer patients, after the object taking bag 700 is sleeved at the uterus and the vagina from top to bottom, when the first rack 610 and the second rack 620 are closed, as the close ends of the first rack 610 and the second rack 620 are provided with the meshing teeth, the first rack 610 and the second rack 620 are meshed with the vagina through the arrangement of the meshing teeth, so that the relative position relation between the first rack 610 and the second rack 620 and the vagina is fixed, a doctor can separate the vagina along the length direction of the first rack 610 and the second rack 620, and the tumor is resected in a closed environment through the meshing of the first rack 610 and the second rack 620, which is beneficial to avoiding the problem that the tumor overflows to the pelvis. The provision of the biting teeth is advantageous in avoiding the problem of slippage of the first rack 610 and the second rack 620 relative to the vagina during vaginal disruption. When the doctor leaves the vagina, the problem that the doctor cannot accurately position the separation incision due to the sliding of the first rack 610 and the second rack 620 relative to the vagina is avoided.

The junction of moving handle 220 and casing 100 is equipped with the torsional spring, under the effect of torsional spring for moving handle 220 keeps certain interval with fixed handle 210, and push rod 400 has backward pulling force, under the effect of torsional spring, makes first rack 610 and second rack 620 tend to be close to each other, can be convenient for realize first rack 610 and second rack 620 and the fixed with the tissue that links to each other of tumour, and need not medical personnel to grip handle 220 and fixed handle 210 constantly, can improve the travelling comfort that medical personnel used this a bag 700 that gets that is used for hysterectomy.

Referring to fig. 1, in consideration of the problem that the torsion force of the torsion spring is small or the clamping force of the first rack 610 and the second rack 620 is insufficient to cause the relative sliding of tissues connected with a tumor, the sealed type tumor separator for the laparoscope further comprises a hanging rod 211, one end of the hanging rod 211 is rotatably connected with the fixed handle 210, the other end of the hanging rod 211 is provided with a hook groove, the position of the movable handle 220 is provided with a stand column 221, and the other end of the hook groove of the hanging rod 211 can be hung on the stand column 221. When the first forceps handle 510 and the second forceps handle 520 are closed, the hanging rod 211 can be hung on the upright post 221, so that the relative position relationship between the movable handle 220 and the fixed handle 210 can be fixed, the first forceps handle 510 and the second forceps handle 520 can be kept in a closed state, and further, the relative fixation of the first forceps handle 510 and the second forceps handle 520 and tissues connected with tumors can be realized.

The working principle of the closed type tumor separator for the laparoscope provided by the embodiment of the utility model is as follows:

the user can shrink the object taking bag 700 and the clamping assembly 600 in the barrel 800, and make the clamping assembly 600 penetrate through the puncture outfit to enter the abdominal cavity of the human body, when the sealed type tumor for laparoscope is separated from the breaker and stretches into the abdominal cavity of the human body, the user can push the clamping assembly 600 forward, so that the object taking bag 700 and the clamping assembly 600 stretch out of the accommodating cavity of the barrel 800, under the action of the rotating elastic piece, the first rack 610 rotates relative to the first clamp handle 510, the second rack 620 rotates relative to the second clamp handle 520, so that the clamping assembly 600 and the clamp handle assembly 500 form a folding angle, and under the auxiliary action of other surgical instruments and the elastic action of the object taking bag 700, the object taking bag 700 can be unfolded relative to the clamping assembly 600. The user can make the sack of getting thing bag 700 set up towards the tumour through rotatory knob for the user opens through moving handle 220, can make first pincers handle 510 and second pincers handle 520 open, the length direction of getting thing bag 700 is arranged with the length direction of first rack 610 or second rack 620 at the right angle, can open and cup joint the sack of getting thing bag 700 in the tissue department that links to each other with the tumour as far as possible top-down, when first rack 610 and second rack 620 are located the cutting position department of the tissue that links to each other with the tumour, the control of movable handle 220 can make first pincers handle 510 and second pincers handle 520 be close to each other, the sack of getting thing bag 700 is tightened up in first rack 610 and second rack 620 department, under the interlock effect of first rack 610 and second rack 620, make first rack 610 and second rack 620 and the tissue interlock that links to each other with the tumour fix, make the excision of tumour go on under airtight environment, help to avoid the problem that the tumour overflows to the pelvis to appear, can be along first rack 610 and second rack 620 and the line that links to each other with the tumour, thereby take out the tumour 600 is located in the human body, take out the tissue of taking out the thing bag 700, can take out the pathological change in the human body 600, the tissue is accomplished to the operation assembly.

While the preferred embodiments of the present utility model have been illustrated and described, the present utility model is not limited to the examples, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are intended to be included in the scope of the present utility model as defined in the appended claims.

Claims (10)

1. A sealed tumor-separating device for laparoscope, comprising:

the device comprises a shell (100), wherein the rear end of the shell (100) is fixedly connected with a fixed handle (210), the rear end of the shell (100) is rotatably connected with a movable handle (220), the front end of the shell (100) is connected with a sleeve (300), a push rod (400) is arranged in the sleeve (300), the rear end of the push rod (400) is connected with the movable handle (220), and the movable handle (220) can drive the push rod (400) to move forwards and backwards;

the clamp handle assembly (500) comprises a first clamp handle (510) and a second clamp handle (520), wherein the first clamp handle (510) is hinged with the second clamp handle (520), the first clamp handle (510) and the second clamp handle (520) are connected with the front end of the push rod (400), and the push rod (400) can drive the first clamp handle (510) and the second clamp handle (520) to open and close relatively;

a clamping assembly (600), the clamping assembly (600) comprising a first rack (610) and a second rack (620), the first rack (610) and the second rack (620) being in rotational connection with the first grip (510) and the second grip (520), respectively, the first rack (610) being capable of meshing with the second rack (620);

the object taking bag (700), wherein the first rack (610) and the second rack (620) are connected with a bag opening of the object taking bag (700);

the barrel (800), barrel (800) are equipped with the holding chamber that the opening set up forward, get thing bag (700) with clamping assembly (600) can business turn over the front end opening in holding chamber.

2. The sealed type tumor breaker for laparoscope according to claim 1, further comprising a rotating elastic member, wherein the rotating elastic member is connected to a rotational connection of the first rack (610) and the first clamp handle (510), and wherein the rotating elastic member is connected to a rotational connection of the second rack (620) and the second clamp handle (520).

3. The sealed tumor breaker for laparoscope according to claim 1, wherein a slot (710) is disposed at the mouth of the object taking bag (700), the slot (710) is provided with two openings, and the first rack (610) and the second rack (620) can be respectively disposed through the two openings.

4. The sealed type tumor breaker for laparoscope according to claim 3, further comprising a fixing member (412), wherein a fixing hole (411) is formed at the front end of the push rod (400), a connecting rope (720) is wound around the periphery of the object taking bag (700), two ends of the connecting rope (720) are bundled to the fixing hole (411), and the fixing member (412) is detachably connected with the fixing hole (411) so as to fix the connecting rope (720) at the fixing hole (411).

5. The sealed tumor separator for laparoscope according to claim 4, wherein the front ends of the first rack (610) and the second rack (620) are provided with through holes (630), the connecting rope (720) is inserted into the slot (710), and two ends of the connecting rope (720) are respectively inserted into two through holes (630).

6. The sealed type tumor separator for laparoscope according to claim 4, wherein the inner circumferential surface of the fixing hole (411) is provided with an internal thread, one end of the fixing member (412) is provided with an external thread, and the fixing member (412) is in threaded connection with the fixing hole (411).

7. The sealed tumor separator for laparoscope according to claim 1, further comprising a first link (910), wherein the handle (220) is positioned in front of the fixed handle (210), and two ends of the first link (910) are rotatably connected to the rear ends of the handle (220) and the push rod (400), respectively.

8. The sealed type tumor breaker for laparoscope according to claim 7, wherein the push rod (400) comprises a first sub-rod (410) and a second sub-rod (420) which are arranged front and back, a spherical clamping block is arranged at the rear end of the first sub-rod (410), a spherical groove is arranged at the front end of the second sub-rod (420), and the spherical clamping block is clamped with the spherical groove.

9. The sealed type tumor separator for a laparoscope according to claim 7, further comprising a second connecting rod (920) and a third connecting rod (930), wherein two ends of the second connecting rod (920) are respectively rotatably connected with the first forceps handle (510) and the pushing rod (400), and two ends of the third connecting rod (930) are respectively rotatably connected with the second forceps handle (520) and the pushing rod (400).

10. The sealed tumor separator for a laparoscope according to claim 1, further comprising a hanging rod (211), wherein a stand column (221) is arranged at the handle (220), one end of the hanging rod (211) is rotatably connected with the fixed handle (210), and the other end of the hanging rod (211) can be hung on the stand column (221).

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