Laparoscope with flushing and liquid absorbing structure

Abstract

The laparoscope comprises a suction mechanism, a hinge mechanism and a transmission mechanism, the suction mechanism guides and sucks seroperitoneum contained in an abdominal cavity, the hinge mechanism is hinged to, pokes and opens an opening of the suction mechanism, the transmission mechanism is arranged on the back face of the suction mechanism, the transmission mechanism is hinged to the back face of the hinge mechanism, and the transmission mechanism is arranged on the back face of the hinge mechanism. The suction mechanism comprises an upper linkage piece and a lower linkage piece which are movably hinged, a suction peritoneal fluid moving pipe used for guiding liquid negative pressure suction is arranged on the middle hinged end face based on the linkage pieces, a liquid transfer opening hole is formed in the middle of the end of the suction peritoneal fluid moving pipe, and the back face of the liquid transfer opening hole is opposite to the inner space of the suction peritoneal fluid moving pipe. According to the laparoscope with the flushing and liquid suction structure, the linkage piece and the peritoneal fluid suction moving tube are adopted, and liquid is guided from the rod body space position of the trigger connecting rod in the abdominal cavity operation.

Description

Technical Field

[0001] The utility model belongs to the field of medical technology, and in particular relates to a laparoscope with a flushing and liquid-absorbing structure. Background Art

[0002] Laparoscopy is a minimally invasive surgery, which mainly refers to the operation performed by punching holes in the abdomen. It is the name of a large category of surgery. There are many surgeries that can be performed by laparoscopy, including hysterectomy, adnexectomy, early ovarian cancer tumor cell reduction surgery, cervical cancer radical surgery, etc. in gynecology.

[0003] Among them, the "laparoscopic structure for minimally invasive surgery in general surgery" disclosed in the application number "CN202020612560.3" is also an increasingly mature technology, which also includes "The utility model relates to the field of medical device technology, and discloses a laparoscope structure for minimally invasive surgery in general surgery, including a chuck, a rolling ball is movably connected to the middle part of the chuck, and a shell is fixedly installed on the right side of the chuck, and an illumination observer is fixedly installed at the lower end of the right side of the rolling ball, a connecting rod is fixedly installed in the middle of the bottom of the rolling ball, a limited block is fixedly installed at the lower end of the connecting rod, and a bearing is fixedly installed at the bottom of the connecting rod, and a connecting ring is fixedly installed on the periphery of the bearing. The laparoscope structure for minimally invasive surgery in general surgery achieves the purpose of convenient operation by providing a semi-ring plate, a traction rod and an illumination observer, etc., and the rotation of the semi-ring plate is used to control the traction rod and the moving bar. At the same time, the illumination observer and the traction rod are fixedly installed on the rolling ball, so that the circular movement of the illumination observer can be easily realized. Because the rotation amplitude is small, manual control often has better results", but the device still has the following defects:

[0004] In actual use, the conventional laparoscopic intraoperative structure is difficult to flush during the flushing stage, and the corresponding laparoscope is stored in the later stage, resulting in a relatively simple abdominal structure for cleaning and processing, which makes it difficult to drain the intra-abdominal fluid during the later operation of the laparoscopy, and further improves the laparoscopic processing link. Utility Model Content

[0005] The utility model aims to provide a laparoscope with a flushing and liquid suction structure, aiming to solve the existing problems in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a specimen collection device for laparoscopic surgery, comprising a suction mechanism, a hinge mechanism and a transmission mechanism;

[0007] The suction mechanism guides and suctions the ascites contained in the abdominal cavity;

[0008] Its hinge mechanism hinges and pushes to open the suction mechanism opening;

[0009] The transmission mechanism is arranged on the back of the suction mechanism, and the transmission mechanism is hinged to the back of the hinge mechanism;

[0010] The suction mechanism includes two upper and lower movably hinged linkage plates, and a suction peritoneal fluid pipette for guiding liquid negative pressure suction is provided based on the middle hinged end surface of the linkage plate. A liquid transfer opening is opened in the middle of the end of the suction peritoneal fluid pipette, and the back of the liquid transfer opening is opposite to the internal space of the suction peritoneal fluid pipette.

[0011] As a preferred solution of the utility model: the back of the tube of the peritoneal fluid suction pipette is also connected to a liquid transfer tube sleeve, and the back of the liquid transfer tube sleeve is provided with a three-way sleeve for passing through, and the top side wall of the tube body of the three-way sleeve is also obliquely connected to an injection tube, and one end of the injection tube is connected to a flushing structure for injecting physiological saline.

[0012] As a preferred solution of the utility model: a drainage tube is also connected to the bottom of the three-way sleeve, and the drainage tube and the injection tube are both connected to the peritoneal fluid suction pipe.

[0013] As a preferred solution of the utility model: the hinge mechanism:

[0014] It comprises linkage blocks which are symmetrically arranged at the middle of the top of the linkage piece, the rear ends of the two linkage blocks are provided with hinge shafts, the inclined side walls of the hinge shafts are also provided with trapezoidal blocks, and the backs of the trapezoidal blocks are connected with trigger connecting rods.

[0015] As a preferred solution of the utility model: one end of the trigger connecting rod is connected to a transmission mechanism, and the transmission mechanism includes a sleeve tube installed on the back of the three-way sleeve, an end tube is installed at the end position of the sleeve tube, and a triangular bracket of the end tube has a linkage lever in the middle of the end of the triangular bracket.

[0016] As a preferred solution of the utility model: a handle is hinged on the bottom side of the terminal tube, and a regulating block is installed on the back of the handle.

[0017] As a preferred solution of the utility model: pipe valves are respectively installed on the surfaces of the liquid discharge pipe and the liquid injection pipe.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1) Through the linkage piece and the suction peritoneal fluid transfer tube used in abdominal surgery, the liquid is further guided from the rod body space position of the trigger link, and the two are axially flipped according to the hinge axis, and then the conduction is achieved from the rod body state of the middle trigger link, and one end of the trapezoidal block and the bottom linkage block is flipped, and the through structure of the specific liquid transfer tube sleeve is used as two technical means of flushing and liquid suction discharge;

[0020] 2) By using the linkage piece, the trapezoidal block in the middle, the liquid transfer sleeve connected to the bottom, and the three-way sleeve at the top of the rear end as the branch of the liquid function, the flip articulation is realized by the specific handle, the regulating blocks on both sides, and the pressing state of the linkage dial at the front end. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0022] Figure 1 It is a schematic diagram of the structure of the utility model;

[0023] Figure 2 It is a side structural schematic diagram of the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the hinge mechanism of the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the pipette for aspirating peritoneal fluid of the utility model;

[0026] Figure 5 This is a schematic diagram of the handle structure of the utility model.

[0027] In the figure: 1, suction mechanism; 11, linkage plate; 12, suction pipe for peritoneal fluid; 13, opening for liquid transfer; 14, pipe sleeve for liquid transfer; 15, three-way sleeve; 16, injection pipe; 17, drainage pipe;

[0028] 2. Articulated mechanism; 21. Linkage block; 22. Articulated shaft; 23. Trapezoidal block; 24. Trigger connecting rod;

[0029] 3. Transmission mechanism; 31. Sleeve tube; 32. End tube; 33. Triangular bracket; 34. Linkage lever; 35. Handle; 36. Control block. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figures 1 to 5 , the utility model provides the following technical solutions: a laparoscope with a flushing and suction structure, comprising a suction mechanism 1, a hinge mechanism 2 and a transmission mechanism 3;

[0032] The suction mechanism 1 guides and suctions the ascites contained in the abdominal cavity;

[0033] Its hinge mechanism 2 hinges and pushes to open the opening of the suction mechanism 1;

[0034] The transmission mechanism 3 is arranged on the back of the suction mechanism 1, and the transmission mechanism 3 is hinged to the back of the hinge mechanism 2;

[0035] The suction mechanism 1 includes two upper and lower movably hinged linkage plates 11, and a suction peritoneal fluid pipette 12 for guiding liquid negative pressure suction is provided based on the middle hinged end surface of the linkage plate 11. A liquid transfer opening 13 is provided in the middle of the end of the suction peritoneal fluid pipette 12, and the back side of the liquid transfer opening 13 is opposite to the internal space of the suction peritoneal fluid pipette 12.

[0036] In this embodiment: the back side of the pipe fitting of the peritoneal fluid suction pipe 12 is also connected to a liquid transfer sleeve 14, and the back side of the liquid transfer sleeve 14 is provided with a three-way sleeve 15 for passing through. The top side wall of the tube body of the three-way sleeve 15 is also obliquely connected to an injection tube 16, and one end of the injection tube 16 is connected to a flushing structure for injecting physiological saline.

[0037] The three-way sleeve 15 and the corresponding injection tube 16 are in pipe-connected transport state with the physiological saline flushing structure.

[0038] In this embodiment, a drainage tube 17 is also connected to the bottom of the three-way sleeve 15 , and the drainage tube 17 and the injection tube 16 are both connected to the abdominal fluid suction pipe 12 .

[0039] The drainage tube 17 and the peritoneal fluid suction pipette 12 are used to guide and transfer the liquid. In addition, the three-way sleeve 15 is used to connect two independent pipelines to valves with different functions.

[0040] In this embodiment: hinge mechanism 2:

[0041] It includes linkage blocks 21 symmetrically arranged at the middle of the top of the linkage piece 11, and the rear ends of the two linkage blocks 21 are provided with hinge shafts 22. The inclined side walls of the hinge shafts 22 are also provided with trapezoidal blocks 23, and the back of the trapezoidal blocks 23 is connected to a trigger connecting rod 24.

[0042] The axial flipping state of the linkage block 21 and the hinge shaft 22 is coordinated with one end of the trapezoidal block 23 to be transmitted.

[0043] In this embodiment: one end of the trigger link 24 is connected to a transmission mechanism 3, which includes a sleeve tube 31 installed on the back of the three-way sleeve 15, a terminal tube 32 is installed at the end of the sleeve tube 31, a triangular bracket 33 of the terminal tube 32, and a linkage lever 34 is provided in the middle of the end of the triangular bracket 33.

[0044] The combination of the sleeve tube 31 and the terminal tube 32 further facilitates the hinged opening and closing of the tripod bracket 33 .

[0045] In this embodiment, a handle 35 is hingedly connected to the bottom side of the terminal tube 32 , and a regulating block 36 is installed on the back of the handle 35 .

[0046] The provided handle 35 and regulating block 36 make the gripping and triggering process smoother.

[0047] In this embodiment, pipe valves are respectively installed on the surfaces of the liquid discharge pipe 17 and the liquid injection pipe 16 .

[0048] The liquid discharge pipe 17 and the liquid injection pipe 16 are used as different return lines in the pipe-through stage.

[0049] Step 1: operate the transmission mechanism 3 to perform intraoperative abdominal surgery;

[0050] First, the operator holds the handle 35, and according to the transmission trigger control block 36 and the middle hinge structure of the linkage lever 34, it pulls and drags the trigger link 24 at the upper end to move backward. When the rod structure of the trigger link 24 moves to the rear end, the linkage piece 11 is closed up and down according to the hinged bearing hinge of the rear end. According to the axial direction of the rear end control block 36 and the front end hinge shaft 22, according to the stirring structure, the trapezoidal block 23 is flipped by using the hinge state. Based on the adjustment state of the linkage piece 11, according to the hinge state of the hinge shaft 22, Coordination, at this stage, the axial rotation and flipping state of the front end hinge shaft 22 allows the trapezoidal block 23 to be axially hinged according to the corresponding hinge shaft 22, based on the linkage traction of the trigger link 24, based on the clamping stage, so that the area of ​​the trapezoidal block 23 is closed, and the hinge shaft 22 is linked by the traction and closing action between the trapezoidal blocks 23. This process will close the positions of the upper and lower linkage pieces 11, and based on the axial rotation state of the hinge shaft 22, further realize the forward and backward movement of the trigger link 24 at the rear end;

[0051] Step 2: Flushing is performed by injecting physiological saline, which flows through the injection tube 16 along the liquid to the liquid transfer tube sleeve 14 and finally drains along the inside of the suction peritoneal fluid pipette 12 (and the surface of the drain tube 17 is tightened with a tube valve);

[0052] Liquid suction is to close the invention on the surface of the injection tube 16, then connect the valve of the discharge tube 17, and finally loosen the position of the linkage lever 34, follow the expansion of the linkage piece 11 and the expansion of the trapezoidal block 23, follow one end of the hinge shaft 22 and the position of the trigger link 24, according to the position of the trigger link 24, based on the area of ​​the middle trigger link 24 and then according to the position of the trapezoidal block 23, the area of ​​the middle suction peritoneal fluid pipette 12 is realized to realize liquid extraction;

[0053] Step 3: Pulling and driving link of upper and lower trapezoidal blocks 23;

[0054] This process is that after the upper and lower trapezoidal blocks 23 are stretched open, and after the hinge shaft 22 is expanded, the opened structure will uniformly guide the opening position of the trigger link 24 to the space for suctioning the peritoneal fluid pipette 12 for drainage.

[0055] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A laparoscope with a flushing and suction structure, comprising a suction mechanism (1), a hinge mechanism (2) and a transmission mechanism (3); The suction mechanism (1) guides and suctions the ascites contained in the abdominal cavity; Its hinge mechanism (2) hinges and pushes to open the opening of the suction mechanism (1); The transmission mechanism (3) is arranged on the back side of the suction mechanism (1), and the transmission mechanism (3) is hinged to the back side of the hinge mechanism (2); Features: The suction mechanism (1) comprises two upper and lower movable hinged linkage plates (11), and a suction peritoneal fluid pipette (12) for guiding liquid negative pressure suction is provided on the middle hinged end surface of the linkage plate (11), and a liquid transfer opening (13) is provided in the middle of the end of the suction peritoneal fluid pipette (12), and the back side of the liquid transfer opening (13) is opposite to the internal space of the suction peritoneal fluid pipette (12).

2. A laparoscope with a flushing and liquid suction structure according to claim 1, characterized in that: The back of the pipe fitting of the aspirating peritoneal fluid pipette (12) is also connected to a liquid transfer pipe sleeve (14), and the back of the liquid transfer pipe sleeve (14) is provided with a three-way sleeve (15) for passing through, and the top side wall of the pipe body of the three-way sleeve (15) is also obliquely connected to an injection pipe (16), and one end of the injection pipe (16) is connected to a flushing structure for injecting physiological saline.

3. A laparoscope with a flushing and liquid suction structure according to claim 2, characterized in that: A drainage pipe (17) is also connected to the bottom of the three-way sleeve (15), and the drainage pipe (17) and the injection pipe (16) are both connected to the abdominal fluid suction pipe (12).

4. The laparoscope with a flushing and liquid suction structure according to claim 1, characterized in that: The hinge mechanism (2): The invention comprises linkage blocks (21) symmetrically arranged at the middle of the top end of the linkage piece (11), the rear ends of the two linkage blocks (21) are provided with hinge shafts (22), the inclined side walls of the hinge shafts (22) are further provided with trapezoidal blocks (23), and the backs of the trapezoidal blocks (23) are connected to trigger connecting rods (24).

5. The laparoscope with a flushing and liquid suction structure according to claim 4, characterized in that: One end of the trigger connecting rod (24) is connected to a transmission mechanism (3), the transmission mechanism (3) comprises a sleeve tube (31) mounted on the back of the three-way sleeve (15), a terminal tube (32) is mounted at the end of the sleeve tube (31), a triangular bracket (33) of the terminal tube (32), and a linkage lever (34) is provided in the middle of the end of the triangular bracket (33).

6. The laparoscope with a flushing and liquid suction structure according to claim 5, characterized in that: A handle (35) is hingedly connected to the bottom side of the terminal tube (32), and a regulating block (36) is installed on the back of the handle (35).

7. The laparoscope with a flushing and liquid suction structure according to claim 3, characterized in that: The surfaces of the liquid discharge pipe (17) and the liquid injection pipe (16) are respectively provided with pipe valves.

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