A multifunctional auxiliary device for single-port laparoscopic surgery

Abstract

The invention belongs to the technical field of medical devices, and discloses a multifunctional auxiliary device for single-port laparoscopic surgery, comprising a sleeve and an airbag; the sleeve is connected with a three-way valve, a regulating tube, a control base tube and two umbrella-shaped structures, the side wall of the sleeve is provided with a side port and an inflation port, and the inflation port is connected with the airbag through an airway tube; the umbrella-shaped structure comprises a sliding sleeve, a connecting rod and a supporting rod, the upper end of the connecting rod of the upper umbrella-shaped structure is connected with a collar, the lower end of the lower connecting rod is connected with a sphere, the relative supporting rods of the two umbrella-shaped structures are connected by a tension spring, and the two ends of the supporting rod are respectively connected with the connecting rod and the sliding sleeve for rotation. The invention connects the three-way valve on the sleeve for drainage or smoke exhaust during surgery; the side port is arranged on the sleeve, and the snare or grasping operation is performed in cooperation with an externally placed snare or grasping forceps; the airbag and the umbrella-shaped structure are arranged, and the airbag is inflated to expose the tissue or organ adjacent to the surgical area outside the surgical area; the umbrella-shaped structure is first opened and then closed, and is used for specimen grasping and storage.

Description

Technical Field

[0001] The invention relates to the technical field of medical instruments, and in particular to a multifunctional auxiliary device for single-port laparoscopic surgery. Background Art

[0002] Single-port laparoscopic surgery is a minimally invasive surgery. Compared with traditional laparoscopic abdominal minimally invasive surgery, it has more outstanding characteristics such as minimal invasiveness, safety, economy, aesthetics, and less postoperative pain. It has been unanimously recognized by doctors and patients in clinical practice. During the operation, medical staff use a scalpel to form an incision of a certain size on the patient's body, and then insert a puncture device into the incision. After that, the required various surgical instruments are passed through the puncture device into the patient's body for various surgical operations. Single-port laparoscopic surgery allows doctors to clearly see the tissues and organs in the pelvic and abdominal cavities, can quickly determine the diagnosis, and can also perform necessary surgical treatment under laparoscopy.

[0003] However, currently, in the process of single-port laparoscopic surgery, a variety of instruments are required, the freedom and flexibility of operating the instruments are limited, and the various instruments affect each other during the operation, affecting the efficiency and effectiveness of the operation. Summary of the invention

[0004] The present invention is intended to provide a multifunctional auxiliary device for single-port laparoscopic surgery, wherein a three-way valve is connected at the upper end of the sleeve for drainage or smoke exhaust during surgery; a side port is provided on the side wall of the sleeve to cooperate with an externally inserted snare or grasping forceps for snare or grasping operations; an air bag and an umbrella structure are also provided, wherein the umbrella structure is in a storage state, and the air bag is inflated to realize the function of exposure and isolation, exposing tissues or organs adjacent to the surgical area outside the surgical area, so that the surgical area is exposed more clearly; and when the air bag is not inflated, the two umbrella structures are connected and the umbrella structure is first opened and then closed by an adjusting tube, so that the specimen can be directly grasped and stored. The problem in the background technology is solved.

[0005] In order to achieve the above object, the present invention provides the following technical solutions:

[0006] A multifunctional auxiliary device for single-port laparoscopic surgery comprises a sleeve, an adjusting tube, a control base tube, an airbag and two umbrella-shaped structures; an upper inlet end of the sleeve is connected with a three-way valve, the three-way valve is provided with a first port and a second port for suction and / or smoke exhaust, a holding handle is further connected to the outer side of the three-way valve, a side port and an inflation port are provided on the side wall of the sleeve, the inflation port is connected with the airbag through an air guide tube, the two umbrella-shaped structures are connected through the airbag, the airbag is an annular structure, and the airbag is sleeved on the outer side of the control base tube; the control base tube is fixedly connected to the outer side of the sleeve, the control base tube is slidably connected with a collar for controlling the opening and / or storage of the umbrella-shaped structure, and the upper umbrella-shaped structure is connected with the collar; the adjusting tube is adjustably sleeved on the outer side of the sleeve, and the lower end surface of the adjusting tube abuts against the upper end surface of the collar.

[0007] Furthermore, the umbrella-like structure includes a sliding sleeve, a plurality of connecting rods and a plurality of supporting rods. The connecting rod of the upper umbrella-like structure is rotatably connected to the collar. The two relative supporting rods of the umbrella-like structure are connected by a tension spring. The sliding sleeve is slidably connected to the control base tube. The two ends of the supporting rod are rotatably connected to the connecting rod and the sliding sleeve respectively.

[0008] Furthermore, the control base pipe is connected with two limiting protrusions for limiting the sliding of the sliding sleeve, and the two umbrella-shaped structures are arranged between the two limiting protrusions.

[0009] Furthermore, the outer side wall of the control base tube is evenly connected with a plurality of guide grooves, and the plurality of guide grooves are arranged between the two limiting protrusions; the sliding sleeves of the two umbrella-shaped structures are connected with a plurality of guide protrusions arranged in cooperation with the guide grooves, and the guide protrusions are slidably arranged on the inner side of the guide grooves.

[0010] Furthermore, a foldable and retractable connection cover is provided on the outer side of the upper umbrella-shaped structure, and the connection cover is connected to the outer sides of the plurality of connecting rods and covers and connects the plurality of connecting rods.

[0011] Furthermore, the free ends of the several connecting rods of the umbrella-shaped structure at the lower side are all connected with spheres.

[0012] Furthermore, an outer wall of the sleeve is provided with an external thread, an inner side of the adjusting tube is provided with an internal thread, and the adjusting tube is adjustably sleeved on the outer side of the sleeve through the thread.

[0013] Furthermore, the regulating handle of the three-way valve is provided with an indicating arrow; and the outer side wall of the sleeve is engraved with a scale mark arranged in coordination with the regulating tube.

[0014] Furthermore, the first through port, the second through port, the side port and the inflation port are all detachably connected with sealing sleeves; and the holding handle is in the shape of a three-quarter ring.

[0015] Furthermore, the air guide tube is arranged on the inner side of the side wall of the sleeve.

[0016] The principle and beneficial effects of the technical solution are:

[0017] 1. A multifunctional auxiliary device for single-port laparoscopic surgery provided by the present invention uses a cannula as a puncture cannula for single-port laparoscopic surgery, a three-way valve is connected on its upper side, a holding handle connected to the three-way valve is convenient for adjusting the position of the cannula, a negative pressure device is connected outside the first port or the second port of the three-way valve, which can be used for drainage during surgery, and the first port or the second port is directly connected to the outside world and can be used for smoke exhaust during surgery; a side port and an inflation port are provided on the side wall of the cannula, a snare or a grasping forceps is passed through the cannula through the side port to enter the surgical area, so as to perform a snare or grasping operation, and the inflation port is connected to an inflation device to control the inflation state of the airbag; a control base tube and an adjustable sleeve adjustment tube are fixedly sleeved on the outer wall of the cannula; and two umbrella-shaped structures connected by the airbag are slidably connected on the outer side of the control base tube, and adjacent positions of the surgical area need to be adjusted during surgery. When the tissue or organ is exposed to facilitate surgical operation, the airbag is inflated by the inflation device to expand it, which can effectively expose the tissue or organ adjacent to the surgical area outside the surgical area, so that the surgical area is exposed more clearly and it is convenient for the operation; when the airbag is not inflated, the relative position and shape of the two umbrella-like structures can be adjusted, and the relative position of the adjustment tube and the sleeve is adjusted so that the lower end surface abuts against the ring connected to the upper umbrella-like structure, and the ring moves downward to abut against the upper umbrella-like structure, so that the two umbrella-like structures abut against each other to open, which can achieve the covering effect of the specimen, and the adjustment tube is adjusted in the opposite direction again, and the two umbrella-like structures are closed, and the specimen covered by them is grabbed and stored; compared with traditional instruments, the device has more degrees of freedom and flexibility, can be applied to various types of single-port laparoscopic surgeries, can be operated with one hand, and complete all the movements of the instrument;

[0018] 2. The present invention provides a multifunctional auxiliary device for single-port laparoscopic surgery. The umbrella-shaped structure adopts a connecting rod, a sliding sleeve, a support rod and a tension spring structure. The sliding sleeve moves along the axial direction of the control base tube. When the collar connected to one end of the connecting rod is subjected to an external force, the connecting rod overcomes the force of the tension spring and moves toward each other to realize the opening or closing of the umbrella-shaped structure for grabbing and storing specimens. Two limiting protrusions that limit the sliding of the sliding sleeve are connected to the control base tube, which further facilitates the opening and / or closing function of the umbrella-shaped structure.

[0019] 3. A multifunctional auxiliary device for single-port laparoscopic surgery provided by the present invention has a guide groove connected to the outer wall of the control base tube and a guide protrusion connected to the inner side of the sliding sleeve, so that when the sliding sleeve slides along the control base tube, the guide groove and the guide protrusion play a guiding and limiting role for the sliding sleeve, thereby ensuring the linearity and stability of the relative movement between the sliding sleeve and the control base tube; ensuring the structural performance of the umbrella structure and the functionality of the entire device;

[0020] 4. The present invention provides a multifunctional auxiliary device for single-port laparoscopic surgery, in which a connecting cover is connected to the outside of the connecting rod and a sphere is connected to the lower end of the connecting rod, which further improves the specimen grabbing and storage effect; the adjusting tube is connected to the sleeve by a thread, and the connection is reliable and the adjustment is convenient; an indicating arrow is set on the adjusting handle of the three-way valve, so that medical staff can intuitively know the connecting channel of the three-way valve; a scale mark is set on the outside of the sleeve, so that medical staff can intuitively know the relative position relationship of the adjusting tube with respect to the sleeve, and can adjust the adjusting tube by a limited number of times. The experiment makes the relative relationship between the two correspond to the open / closed state of the umbrella-like structure, that is, the relative position relationship between the adjusting tube and the sleeve is known through the scale marking, and the state of the umbrella-like structure is known; the first port, the second port, the side port and the inflation port are detachably connected with a sealing sleeve to facilitate the sealing control of each port; the holding handle is set to a three-quarter ring shape to facilitate operation and hanging and storing of the sleeve; the air guide tube is set on the inner side of the side wall of the sleeve to ensure that the inner channel of the sleeve is smooth and free of obstacles, which is convenient for the insertion and operation of other instruments. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of an air bag in an inflated state of a multifunctional auxiliary device for single-port laparoscopic surgery of the present invention;

[0022] Figure 2 This is a front view of the airbag of a multifunctional auxiliary device for single-port laparoscopic surgery of the present invention in an inflated state;

[0023] Figure 3 It is a partial cross-sectional view of an air bag of a multifunctional auxiliary device for single-port laparoscopic surgery of the present invention in an inflated state;

[0024] Figure 4 for Figure 3 A partial enlarged view of point A in the middle;

[0025] Figure 5 This is a structural schematic diagram of a multifunctional auxiliary device for single-port laparoscopic surgery of the present invention, in which the umbrella-shaped structure is in an open state;

[0026] Figure 6 This is a front view of the umbrella-shaped structure of a multifunctional auxiliary device for single-port laparoscopic surgery of the present invention in an open state;

[0027] Figure 7It is a partial cross-sectional view of an umbrella-shaped structure of a multifunctional auxiliary device for single-port laparoscopic surgery of the present invention in an open state;

[0028] Figure 8 for Figure 7 A partial enlarged view of point B in the middle;

[0029] Fig. 9 This is an exploded view of a multifunctional auxiliary device for single-port laparoscopic surgery according to the present invention.

[0030] The names of the corresponding marks in the accompanying drawings are:

[0031] Sleeve 1, three-way valve 2, first port 3, second port 4, holding handle 5, side port 6, adjustment tube 7, control base tube 8, limit protrusion 9, guide groove 10, air bag 11, air guide tube 12, inflation port 13, collar 14, connecting rod 15, sliding sleeve 16, support rod 17, tension spring 18, guide protrusion 19, connecting cover 20, sphere 21. DETAILED DESCRIPTION

[0032] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments:

[0033] like Figures 1 to 9 As shown, a multifunctional auxiliary device for single-port laparoscopic surgery comprises a sleeve 1, an adjustment tube 7, a control base tube 8, an airbag 11 and two umbrella-shaped structures; the upper inlet end of the sleeve 1 is connected with a three-way valve 2, the adjustment handle of the three-way valve 2 is provided with an indication arrow, the three-way valve 2 is provided with a first port 3 and a second port 4 for suction and / or smoke exhaust, the outer side of the three-way valve 2 is also connected with a holding handle 5, the holding handle 5 is in the shape of a three-quarter ring, the side wall of the sleeve 1 is provided with a side port 6 and an inflation port 13, the first port 3, the second port 4, the side port 6 and the inflation port 13 are all interference-fitted with a sealing sleeve, the inflation port 13 is connected with the airbag 11 through an air guide tube 12, and the air guide tube 12 is provided on the inner side of the side wall of the sleeve 1;

[0034] The two umbrella-shaped structures are connected by an airbag 11, which is an annular structure and is sleeved on the outside of the control base tube 8; the control base tube 8 is fixedly connected to the outside of the sleeve 1, and the control base tube 8 is slidably connected with a collar 14 for controlling the opening and / or storage of the umbrella-shaped structure, and the upper umbrella-shaped structure is connected to the collar 14; the outer wall of the sleeve 1 is provided with an external thread, and the inner side of the adjustment tube 7 is provided with an internal thread, and the adjustment tube 7 is adjustably sleeved on the outer side of the sleeve 1 through the thread, and the outer wall of the sleeve 1 is engraved with a scale mark arranged in coordination with the adjustment tube 7, and the lower end surface of the adjustment tube 7 is in contact with the upper end surface of the collar 14;

[0035] The umbrella-shaped structure includes a sliding sleeve 16, twelve connecting rods 15 and twelve supporting rods 17. The upper end of the connecting rod 15 of the upper umbrella-shaped structure is rotatably connected to the collar 14, and a foldable and retractable connecting cover 20 is provided on the outer side of the upper umbrella-shaped structure. The connecting cover 20 is connected to the outer side of the twelve connecting rods 15 and covers and connects the twelve connecting rods 15. The lower end of the connecting rod 15 of the upper umbrella-shaped structure is connected to the upper end of the connecting rod 15 of the lower umbrella-shaped structure through the airbag 11, and the lower ends of the twelve connecting rods 15 of the lower umbrella-shaped structure are all connected to the sphere 21. The two umbrella-shaped structures The relative support rods 17 are connected by tension springs 18, the control base tube 8 is connected with two limiting protrusions 9 for limiting the sliding of the sliding sleeve 16, the two umbrella-shaped structures are arranged between the two limiting protrusions 9, and the outer wall of the control base tube 8 is evenly connected with four groups of guide grooves 10, the four groups of guide grooves 10 are all arranged between the two limiting protrusions 9, the sliding sleeves 16 of the two umbrella-shaped structures are connected with four guide protrusions 19 arranged in coordination with the guide grooves 10, and the guide protrusions 19 are slidably arranged on the inner side of the guide grooves 10; the two ends of the support rod 17 are respectively rotatably connected with the connecting rod 15 and the sliding sleeve 16.

[0036] The specific implementation process is as follows:

[0037] When using the device, the cannula 1 is inserted into the patient's body through the surgical incision. When suction operation is required, the suction device is connected to the outside of the second port 4, and the adjustment handle of the three-way valve 2 is turned to open the second port 4 of the three-way valve 2, and the negative pressure device is started to suction the surgical area; when smoke exhaust operation is required, the adjustment handle of the three-way valve 2 is turned to open the first port 3 of the three-way valve 2, and smoke can be exhausted through the first port 3; when a snare or a grasping forceps is needed to be inserted for snare or grasping operation, the sealing sleeve of the side port 6 is opened, and the snare or the grasping forceps is passed through the cannula 1 through the side port 6 into the surgical area for snare or grasping operation; when it is necessary to expose and block the tissues or organs adjacent to the surgical area for surgical operation, such as Figures 1 to 4 As shown, the airbag 11 is inflated by the inflation device to expand it, and the airbag 11 abuts against the tissue or organ adjacent to the surgical area to expose it and block it outside the surgical area, so that the surgical area is exposed more clearly; when the specimen needs to be grabbed and stored, as shown in FIG. Figures 5 to 8 As shown, the airbag 11 is not inflated, and the adjusting tube 7 is rotated so that its lower end surface abuts against the collar 14 connected to the upper umbrella-shaped structure, so that the two umbrella-shaped structures are relatively opened, first achieving the covering effect of the specimen, and then the adjusting tube 7 is reversely rotated again, and the two umbrella-shaped structures are closed, and the covered specimen is grabbed and stored. Compared with traditional instruments, this device has more degrees of freedom and flexibility, can be applied to various types of single-port laparoscopic surgeries, can be operated with one hand, and complete all the movements of the instrument.

[0038] The umbrella-shaped structure adopts a connecting rod 15, a sliding sleeve 16, a supporting rod 17 and a tension spring 18 structure. The sliding sleeve 16 moves along the axial direction of the control base tube 8. Two limiting protrusions 9 for limiting the sliding of the sliding sleeve 16 are connected to the control base tube 8, so as to realize the opening and / or closing function of the umbrella-shaped structure. The outer wall of the control base tube 8 is connected with a guide groove 10, and the inner side of the sliding sleeve 16 is connected with a guide protrusion 19, so that in the process of the sliding sleeve 16 sliding along the control base tube 8, the guide groove 10 and the guide protrusion 19 play a guiding and limiting role for the sliding sleeve 16, ensuring the linearity and stability of the relative movement between the sliding sleeve 16 and the control base tube 8; ensuring the structural performance of the umbrella-shaped structure and the functionality of the entire device; a connecting cover 20 is connected to the outer side of the connecting rod 15, and a sphere 21 is connected to the lower end of the connecting rod 15, so as to improve the specimen grabbing and storage effect;

[0039] The regulating tube 7 is connected to the sleeve 1 by a thread, and the connection is reliable and easy to adjust; an indicating arrow is set on the regulating handle of the three-way valve 2, so that the medical staff can intuitively know the communication channel of the three-way valve 2; a scale mark is set on the outside of the sleeve 1, so that the medical staff can intuitively know the relative position relationship of the regulating tube 7 relative to the sleeve 1, and the relative relationship between the two corresponds to the open / closed state of the umbrella-shaped structure, that is, the relative position relationship between the regulating tube 7 and the sleeve 1 is known through the scale mark, and the state of the umbrella-shaped structure is known; the first port 3, the second port 4, the side port 6 and the inflation port 13 are detachably connected with a sealing sleeve, which is convenient for sealing control of each port; the holding handle 5 is set to a three-quarter ring shape for easy operation and hanging and storage of the sleeve 1; the air guide tube 12 is set on the inner side of the side wall of the sleeve 1 to ensure that the inner channel of the sleeve 1 is smooth and free of obstacles, which is convenient for the insertion and operation of other instruments.

[0040] The above is only an embodiment of the present invention, and the common knowledge such as the known specific technical solutions or characteristics in the solution is not described in detail here. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the technical solution of the present invention, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A multifunctional auxiliary device for single-port laparoscopic surgery, characterized in that: It comprises a sleeve, an adjusting tube, a control base tube, an air bag and two umbrella-shaped structures; the upper inlet end of the sleeve is connected with a three-way valve, the three-way valve is provided with a first port and a second port for suction and / or exhaust of smoke, the outer side of the three-way valve is also connected with a holding handle, the side wall of the sleeve is provided with a side port and an inflation port, the inflation port is connected with the air bag through an air guide tube, the two umbrella-shaped structures are connected through the air bag, the air bag is an annular structure, and the air bag is sleeved on the outer side of the control base tube; the control base tube is fixedly connected to the outer side of the sleeve, the control base tube is slidably connected with a collar for controlling the opening and / or storage of the umbrella-shaped structure, and the upper side of the umbrella-shaped structure is connected with the collar; the adjusting tube is adjustably sleeved on the outer side of the sleeve, and the lower end surface of the adjusting tube abuts against the upper end surface of the collar; The umbrella-shaped structure comprises a sliding sleeve, a plurality of connecting rods and a plurality of supporting rods, the connecting rod of the upper umbrella-shaped structure is rotatably connected to the collar, the two opposing supporting rods of the umbrella-shaped structure are connected via a tension spring, the sliding sleeve is slidably connected to the control base pipe, and the two ends of the supporting rod are rotatably connected to the connecting rod and the sliding sleeve respectively; The free ends of the several connecting rods of the umbrella-shaped structure at the lower side are all connected with spheres.

2. The multifunctional auxiliary device for single-port laparoscopic surgery according to claim 1, characterized in that: The control base pipe is connected with two limiting protrusions for limiting the sliding movement of the sliding sleeve, and the two umbrella-shaped structures are arranged between the two limiting protrusions.

3. The multifunctional auxiliary device for single-port laparoscopic surgery according to claim 2, characterized in that: The outer side wall of the control base tube is evenly connected with a plurality of guide grooves, and the plurality of guide grooves are arranged between the two limiting protrusions; the sliding sleeves of the two umbrella-shaped structures are connected with a plurality of guide protrusions arranged in cooperation with the guide grooves, and the guide protrusions are slidably arranged on the inner side of the guide grooves.

4. The multifunctional auxiliary device for single-port laparoscopic surgery according to claim 1, characterized in that: A foldable and retractable connection cover is provided on the outer side of the upper umbrella-shaped structure. The connection cover is connected to the outer sides of the plurality of connecting rods and covers and connects the plurality of connecting rods.

5. The multifunctional auxiliary device for single-port laparoscopic surgery according to claim 1, characterized in that: The outer wall of the sleeve is provided with an external thread, the inner side of the adjusting tube is provided with an internal thread, and the adjusting tube is adjustably sleeved on the outer side of the sleeve through the thread.

6. The multifunctional auxiliary device for single-port laparoscopic surgery according to claim 1, characterized in that: The regulating handle of the three-way valve is provided with an indicating arrow; the outer wall of the sleeve is engraved with a scale mark which is arranged in coordination with the regulating tube.

7. The multifunctional auxiliary device for single-port laparoscopic surgery according to claim 1, characterized in that: The first through port, the second through port, the side port and the inflation port are all detachably connected with sealing sleeves; the holding handle is in the shape of a three-quarter ring.

8. The multifunctional auxiliary device for single-port laparoscopic surgery according to claim 1, characterized in that: The air guide tube is arranged on the inner side of the side wall of the sleeve.

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