CN112120764B - Multifunctional laparoscopic surgery trocar - Google Patents
Multifunctional laparoscopic surgery trocar Download PDFInfo
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- CN112120764B CN112120764B CN202011006620.8A CN202011006620A CN112120764B CN 112120764 B CN112120764 B CN 112120764B CN 202011006620 A CN202011006620 A CN 202011006620A CN 112120764 B CN112120764 B CN 112120764B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/12—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements
- A61B1/127—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements with means for preventing fogging
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B2017/348—Means for supporting the trocar against the body or retaining the trocar inside the body
- A61B2017/3482—Means for supporting the trocar against the body or retaining the trocar inside the body inside
- A61B2017/3484—Anchoring means, e.g. spreading-out umbrella-like structure
- A61B2017/3486—Balloon
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Abstract
The invention discloses a multifunctional laparoscopic surgery trocar. The trocar comprises a smoke exhaust device, an observation device, a sealing and fixing device and a positioning device. The smoke exhaust device comprises a smoke exhaust pipe, a smoke collecting hood and a smoke outlet structure, the observation device comprises a mirror pipe and an installation head, the sealing and fixing device comprises a rubber ring I and a rubber ring II which are coaxially arranged, and the positioning device comprises a rubber pipe, a gas inlet and outlet pipe and a valve cock. The rubber pipe is sleeved on one end of the smoke exhaust pipe and one end of the smoke collecting hood connected with the smoke exhaust pipe and is provided with at least two rubber layers; a closed inflation layer is formed between the two rubber layers, and one end of the air inlet and outlet pipe is communicated with the inflation layer. The rubber tube is sleeved in the middle of the smoke exhaust tube and is provided with two air bags at intervals, and the air bags are communicated with the inflation layer. The inflating valve is connected to the other end of the air inlet and outlet pipe. The invention is convenient to assemble and disassemble, can reduce tearing cuts, fully ensures the limiting function of the trocar, is firmer and not easy to fall off, and improves the success rate of the operation.
Description
Technical Field
The invention relates to a trocar in the technical field of medical surgical operations, in particular to a multifunctional laparoscopic operation trocar.
Background
The surgery is called as operation, commonly known as open surgery, and refers to a treatment process of entering human body or other biological tissues through surgical equipment or surgical instruments and operated by surgeons or other professionals to remove pathological changes, change structures or implant foreign objects by means of external force. Surgery is an operation that destroys the integrity of tissue (dissection), or restores the integrity of the disrupted tissue (suturing). During the operation, the operation site is usually observed, and the operation tool is required to be placed in the body during the operation, so that the operation incision is protected by a related trocar (trocar) and the operation is convenient. However, the conventional surgical trocar (trocar) is limited by using a convex pattern and the like, which causes the following problems: (1) the clamping is not tight, and the trocar (trocar) needs to be adjusted for many times, so that the operation precision is influenced; (2) causing adverse effects such as pain to the subject; (3) it is inconvenient to install the trocar (trocar), and the installation process may cause secondary damage to the surgical object.
Disclosure of Invention
The invention provides a multifunctional laparoscopic surgery trocar and a using method thereof, and aims to solve the technical problems that the existing surgical trocar is not tight in clamping and difficult to install and causes injury and pain to a surgical object.
The invention is realized by adopting the following technical scheme: a multifunctional laparoscopic surgical trocar, comprising:
the smoke exhaust device comprises a smoke exhaust pipe, a smoke collecting hood and a smoke outlet structure; one end of the smoke exhaust pipe can be inserted into the body of a surgical patient, and the other end of the smoke exhaust pipe is communicated with the smoke collecting hood; the smoke outlet structure is arranged on the smoke collecting cover and is used for discharging smoke in the smoke collecting cover;
an observation device including a scope tube and a mounting head; one end of the mirror tube can be inserted into and penetrates through the smoke exhaust tube, and the other end of the mirror tube is fixedly connected with the mounting head; the mounting head is attached to the smoke collecting cover and seals the smoke collecting cover;
the sealing and fixing device comprises a rubber ring I and a rubber ring II which are coaxially arranged; the first rubber ring is arranged in one end, connected with the smoke exhaust pipe, of the smoke collecting hood and is provided with a plurality of smoke inlet holes; the rubber ring II is arranged in one end of the smoke collecting hood, which is far away from the smoke exhaust pipe, and forms a smoke collecting space together with the rubber ring I and the inner wall of the smoke collecting hood, and the smoke outlet structure is communicated with the smoke collecting space;
the positioning device comprises a rubber tube, an air inlet and outlet tube and an inflating valve; the rubber pipe is sleeved on one end of the smoke exhaust pipe and one end of the smoke collecting hood connected with the smoke exhaust pipe, and is provided with at least two rubber layers; a closed inflation layer is formed between the two rubber layers, and one end of the air inlet and outlet pipe is communicated with the inflation layer; the rubber pipe is sleeved in the middle of the smoke exhaust pipe and is provided with two air bags at intervals, and the air bags are communicated with the inflatable layer; the air bag is in a water drop shape, and the short shaft is vertical to the axial direction of the rubber tube; the inflating valve is connected to the other end of the air inlet and outlet pipe.
The smoke exhaust pipe of the smoke exhaust device exhausts smoke generated in the operation process, and the endoscope pipe can provide an internal visual field for the operation so as to facilitate the operation. When preparing the operation, can be through inflating to the inflating valve, the business turn over trachea sends into gas in the rubber tube, aerifys the layer like this and sends into gas in two gasbags that do not bounce, can expand after two gasbags are full of the air, two gasbags will block respectively inside and outside the body of operation object like this, realize the locking to the trocar. Because the elastic deformation of two gasbags can not cause great pressure to the operation incision of operation object, disperse pressure, can alleviate adverse effect such as the pain of operation object by a wide margin, and the volume of gasbag is very little before packing into, can be convenient for pack into, and only need emit gas when lifting off, this is not only convenient but also can reduce and tear the incision, simultaneously because the gasbag is very big after the inflation, can fully guarantee the limiting displacement of trocar, it has not tightly to have solved current operation trocar, it is difficult to pack into, and cause the painful technical problem of injury to the operation object, obtained convenient to use high-efficient, be difficult for droing, painless technological effect.
As a further improvement of the above solution, the multifunctional laparoscopic surgical trocar further includes:
and the heating device is used for heating the smoke exhaust pipe and the mirror pipe.
Further, the heating device comprises at least two heating wires; one of the heating wires is wound on the smoke exhaust pipe, and the other heating wire is wound on the mirror pipe.
Still further, the multifunctional laparoscopic surgical trocar further comprises:
the temperature detection device is used for detecting the real-time temperature of one end of the lens tube, which is far away from the mounting head;
a heating control device for determining whether the real-time temperature is below a predetermined temperature; and when the real-time temperature is lower than the preset temperature, the heating control device drives the heating wire to heat.
Still further, the temperature detection device comprises a temperature sensor; the temperature sensor is arranged in the smoke exhaust pipe and used for detecting the temperature of the mirror tube.
As a further improvement of the above solution, the multifunctional laparoscopic surgical trocar further includes:
a smoke collection device for collecting smoke exhausted from the smoke exhaust structure.
As a further improvement of the above scheme, the smoke outlet structure comprises a T-shaped three-way pipe and a bulge; the bulge part is arranged on the side wall of the fume collecting hood and is provided with a rotating space communicated with a first through hole formed in the side wall of the fume collecting hood; two pipes oppositely arranged in the three-way pipe are respectively rotatably arranged in the rotating space and are provided with a second through hole; when the free end of the three-way pipe is close to the outer wall of the fume collecting hood, the second through hole and the first through hole are isolated due to the pipe wall of the three-way pipe; when the axial direction of the free end of the three-way pipe is perpendicular to the outer wall of the smoke collecting hood, the second through hole is communicated with the first through hole, so that the three-way pipe is communicated with the smoke collecting space.
As a further improvement of the above scheme, the first rubber ring and the second rubber ring are both annular pieces, the annular pieces are provided with a plurality of incision lines which are uniformly distributed from inside to outside along the radial direction, and the diameters of arcs where outer end points of the incision lines are located are larger than the pipe diameter of the endoscope pipe.
As a further improvement of the above scheme, an end face of one end of the smoke collecting hood close to the mounting head is an annular concave surface, and the mounting head can be attached to the annular concave surface; at least two jacks and at least two gaps are formed in the smoke collection cover, and at least two inserting columns matched with the at least two jacks and at least two limiting blocks matched with the at least two gaps respectively are arranged on the mounting head.
The invention also provides a use method of the multifunctional laparoscopic surgical trocar, which comprises the following steps:
inserting the mirror tube into the smoke exhaust tube to enable the mounting head to seal the smoke collecting hood;
inserting the scope tube and the smoke exhaust tube together into the body of the surgical patient;
inflating the rubber tube through the inflating valve and the air inlet and outlet tube to enable the two air bags to be filled with air and to be respectively propped against the inside and the outside of the body of the surgical patient, so that the smoke exhaust device and the observation device are locked on the surgical patient;
and observing the operation position of the operation patient through the lens tube and the mounting head.
Compared with the prior surgical trocar, the multifunctional laparoscopic surgical trocar and the use method thereof have the following beneficial effects:
1. according to the multifunctional laparoscopic surgery trocar, the smoke exhaust pipe of the smoke exhaust device exhausts smoke generated in the surgery process, and the endoscope pipe can provide an internal visual field for the surgery so as to facilitate the surgery. When the endoscope tube is inserted into the smoke exhaust device, the rubber ring I and the rubber ring II can fasten the endoscope tube, so that the endoscope tube is more stably fixed in the smoke exhaust device, the surgical site can be observed conveniently, and smoke generated by the surgical site is not influenced. When preparing the operation, can be through inflating to the inflating valve, the business turn over trachea sends into gas in the rubber tube, aerifys the layer like this and sends into gas in two gasbags that do not bounce, can expand after two gasbags are full of the air, two gasbags will block respectively inside and outside the body of operation object like this, realize the locking to the trocar. Because the elastic deformation of the two air bags can not cause larger pressure to the operation incision of the operation object, the pressure is dispersed, the adverse effects of pain and the like of the operation object can be greatly reduced, and the painless protection is realized. Moreover, the whole trocar can be conveniently put in due to the small volume of the air bag before the trocar is put in, and the air only needs to be discharged when the trocar is taken off, which is as convenient as the instrument is put in, thus not only being convenient, but also reducing the tearing incision, and simultaneously, the limit function of the trocar can be fully ensured due to the large volume of the air bag after the air bag is expanded. Particularly, when the surgical incision of the surgical object is very small, the trocar can reduce pain and injury caused by insertion and extraction, and when the surgical incision is very large, the trocar is more firmly installed under the action of the air bag and is not easy to fall off, so that the surgical efficiency can be indirectly improved, the surgical time can be shortened, and the surgical success rate can be improved.
2. The multifunctional laparoscopic surgery trocar can also be provided with a heating device, a temperature detection device and a heating control device. Temperature-detecting device can detect out the real-time temperature of mirror tube, and heating control device then can judge whether real-time temperature is less than preset temperature, if the temperature that then explains mirror tube is low excessively, can produce fog when placing in human body, and then can influence and observe the field of vision, and heating control device then can order about heating device's heater strip and heat this moment, the temperature that makes mirror tube tends to the human body problem, thereby reduce the fog that produces, improve the definition of observing the field of vision, so that perform the operation.
3. The multifunctional laparoscopic surgery trocar is also provided with a smoke collection device. The smoke collecting device can collect smoke exhausted by the smoke discharging structure, so that doctors can be protected, and more pollution is avoided.
4. The smoke outlet structure of the multifunctional laparoscopic surgery trocar comprises a three-way pipe and a protruding part. The through hole II formed in the three-way pipe and the through hole I formed in the smoke collecting hood can be communicated and isolated in the rotating process of the three-way pipe, so that whether smoke is discharged or not and the speed of discharging the smoke can be selected, the smoke generated in the operation process can be timely discharged, and the external gas is reduced from entering the operation position.
5. According to the multifunctional laparoscopic surgery trocar, the rubber ring I and the rubber ring II are annular pieces, and a plurality of incision lines are arranged on the annular pieces, and when the endoscope tube is clamped in, the endoscope tube and the smoke collecting hood are relatively positioned by the incision lines, so that the endoscope tube can be conveniently assembled and disassembled, and the service life of the endoscope tube is prolonged.
6. The top end of the smoke collecting hood of the multifunctional laparoscopic surgery trocar is provided with the annular concave surface, and the mounting head can be attached to the annular concave surface, so that the sealing performance is improved. The stopper cooperates with the breach and can provide location indicative function for the installation head, and the cooperation of inserting post and jack then can guarantee that installation head is fixed mutually with the collection petticoat pipe, can not take place the situation of sideslip, makes the installation more firm stable.
7. The using method of the multifunctional laparoscopic surgery trocar has the same beneficial effects as the multifunctional laparoscopic surgery trocar, and the detailed description is omitted here.
Drawings
Fig. 1 is a perspective view showing a partial structure of a multifunctional laparoscopic surgical trocar according to embodiment 1 of the present invention.
Fig. 2 is a perspective view showing another structure of the multifunctional laparoscopic surgical trocar according to embodiment 1 of the present invention.
FIG. 3 is a schematic view of a tee of the smoke evacuation structure of the multi-functional laparoscopic surgical trocar of FIG. 1.
Fig. 4 is a structural schematic view of a rubber ring I of the multifunctional laparoscopic surgical trocar of fig. 1.
Fig. 5 is a structural schematic view of a second rubber ring of the multifunctional laparoscopic surgical trocar in fig. 1.
Fig. 6 is a perspective view showing a partial structure of a multifunctional laparoscopic surgical trocar according to embodiment 2 of the present invention.
Description of the symbols:
1 Smoke exhaust pipe 10 heating wire
2 fume collecting hood 11 three-way pipe
3 lens tube 12 bulge
4 mounting head 13 jack
5 rubber ring one 14 gap
6 rubber ring two 15 inserting column
7 rubber tube 16 stopper
8 air bag for air inlet and outlet pipe 17
9 air valve 18 smoke inlet
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Referring to fig. 1 and 2, the present embodiment provides a multifunctional laparoscopic trocar, i.e., a multifunctional laparoscopic trocar, which can be used in surgical operations such as abdominal cavity operations, and provides an operation space for other surgical instruments, and an operation field and an operation channel. The trocar comprises a smoke exhaust device, a viewing device, a sealing and fixing device and a positioning device, and the trocar and other surgical tools can form the whole set of surgical equipment together.
The smoke exhaust device comprises a smoke exhaust pipe 1, a smoke collecting cover 2 and a smoke outlet structure. One end of the smoke exhaust pipe 1 can be inserted into the body of a patient, and the other end is communicated with the smoke collecting cover 2. The smoke discharging structure is installed on the smoke collecting cover 2 and is used for discharging smoke in the smoke collecting cover 2. The smoke exhaust pipe 1 can be a transparent pipe body, and one end of the smoke exhaust pipe facing the operation object is a wedge surface end, so that the observation visual field of other structures can be enlarged. The end surface of one end of the fume collecting hood 2 close to the mounting head 4 is an annular concave surface, and at least two insertion holes 13 and at least two gaps 14 are formed in the fume collecting hood 2. The insertion hole 13 is a circular hole, and the notch 14 is an arc-shaped notch 14. In the present embodiment, the number of the insertion holes 13 and the notches 14 is two, and the two are in one-to-one correspondence. Each insertion hole 13 is arranged at a position close to the notch 14, and the two notches 14 are symmetrically arranged and the two insertion holes 13 are symmetrically arranged.
Referring to fig. 3, in the present embodiment, the smoke outlet structure includes a three-way pipe 11 and a protrusion 12. The bulge is arranged on the side wall of the fume collecting hood 2 and is provided with a rotating space communicated with a first through hole arranged on the side wall of the fume collecting hood 2. The three-way pipe 11 is T-shaped, and two pipes which are oppositely arranged are respectively rotatably arranged in the rotating space and are provided with a second through hole. When the free end of the three-way pipe 11 is close to the outer wall of the fume collecting hood 2, the through hole II and the through hole I are isolated due to the pipe wall of the three-way pipe 11. When the axial direction of the free end of the three-way pipe 11 is vertical to the outer wall of the fume collecting hood 2, the through hole II is communicated with the through hole I, so that the three-way pipe 11 is communicated with the fume collecting space.
The observation device includes a scope tube 3 and a mounting head 4. One end of the mirror tube 3 can be inserted into and pass through the smoke exhaust tube 1, and the other end of the mirror tube 3 is fixedly connected with the mounting head 4. The mounting head 4 is attached to the smoke collecting cover 2 and seals the smoke collecting cover 2. The pipe diameter of mirror tube 3 is less than the pipe diameter of tub 1 of discharging fume for reserve certain space between these two, this space can supply the smog to pass through, and smog can enter into collection petticoat pipe 2 after passing through. The mounting head 4 can be attached to the annular concave surface, and the mounting head 4 is provided with a plug 15 and a stopper 16. The number of the inserting columns 15 is at least two, and at least two inserting columns 15 are respectively matched with at least two inserting holes 13. The number of the limiting blocks 16 is at least two, and the at least two limiting blocks 16 are respectively matched with the at least two gaps 14. In some embodiments, a lens such as an eyepiece may be provided in the mounting head 4, and a doctor can observe an image presented by the end of the lens tube 3 through the eyepiece.
Referring to fig. 4 and 5, the sealing and fixing device includes a first rubber ring 5 and a second rubber ring 6, which are coaxially disposed. The rubber ring I5 is arranged in one end of the smoke collecting cover 2 connected with the smoke exhaust pipe 1 and is provided with a plurality of smoke inlet holes 18. The rubber ring II 6 is arranged in one end, far away from the smoke exhaust pipe 1, of the smoke collecting cover 2, a smoke collecting space is formed by the rubber ring I5 and the inner wall of the smoke collecting cover 2 in a surrounding mode, and the smoke outlet structure is communicated with the smoke collecting space. In this embodiment, the first rubber ring 5 and the second rubber ring 6 are both annular pieces, and the annular pieces are provided with a plurality of incision lines which are uniformly distributed from inside to outside along the radial direction, and the diameter of the arc where the outer end points of the incision lines are located is larger than the pipe diameter of the lens tube 3.
The positioning device comprises a rubber tube 7, an air inlet and outlet tube 8 and an inflating valve 9. The rubber tube 7 is sleeved on one end of the smoke exhaust tube 1 and one end of the smoke collecting cover 2 connected with the smoke exhaust tube 1 and is provided with at least two rubber layers. A closed inflation layer is formed between the two rubber layers, and one end of the air inlet and outlet pipe 8 is communicated with the inflation layer. The rubber tube 7 is sleeved in the middle of the smoke exhaust tube 1 and is provided with two air bags 17 at intervals, and the air bags 17 are communicated with the inflatable layer. The air bag 17 is in a drop shape, and the short axis is perpendicular to the axial direction of the rubber tube 7. The air valve 9 is connected to the other end of the air inlet/outlet pipe 8. The valve 9 may adopt a structure similar to the existing wheel valve 9, and the air may be fed in one direction during the inflation process and discharged by other means. The two air bags 17 of the rubber tube 7 are two-part structures of the rubber tube 7, which are expanded preferentially under the same pressure and do not make the other parts have the possibility of being expanded until the expansion is maximum.
When the trocar of the embodiment is used, firstly, a user can assemble the devices together, and inserts the smoke exhaust pipe 1 and the endoscope pipe 3 into the operation incision of an operation object, so that the two unopened air bags 17 are respectively positioned at two opposite sides of the operation incision, secondly, the air is pumped into the air inlet and outlet pipe 8 through the air valve 9, the air inlet and outlet pipe 8 sends gas into the two air bags 17 through the inflation layer, so that the two air bags 17 are gradually inflated and respectively abut against the inner side and the outer side of the operation incision after the inflation, then, the user observes the operation part through the endoscope pipe 3, processes the operation part through other operation tools or instruments, and finally, after the internal operation is finished, the gas in the two air bags 17 is discharged through the air valve 9, the air bags 17 are restored to the natural state, and the trocar is detached and used for suturing the operation incision.
In summary, compared with the existing surgical trocar, the multifunctional laparoscopic surgical trocar of the present embodiment has the following advantages:
1. the smoke exhaust pipe 1 of the multifunctional laparoscopic surgery trocar exhausts smoke generated in the surgery process, and the endoscope pipe 3 can provide an internal visual field for the surgery so as to facilitate the surgery. When the endoscope tube 3 is inserted into the smoke exhaust device, the rubber ring I5 and the rubber ring II 6 can fasten the endoscope tube 3, so that the endoscope tube 3 is more stably fixed in the smoke exhaust device, the operation position can be observed conveniently, and meanwhile smoke generated by the operation position is not influenced. When the operation is prepared, the inflating valve 9 is inflated, the air inlet and outlet pipe 8 sends air into the rubber pipe 7, the inflating layer sends the air into the two air bags 17 which are not bounced, the two air bags 17 are inflated after being filled with the air, and the two air bags 17 are clamped inside and outside the body of an operation object respectively to lock the trocar.
Because the elastic deformation of the two air bags 17 can not cause larger pressure to the operation incision of the operation object, the pressure is dispersed, the adverse effects of pain and the like of the operation object can be greatly reduced, and the painless protection is realized. Moreover, the air bag 17 has small volume before being put into the trocar, so that the trocar can be conveniently put into the trocar as a whole, and the air bag only needs to discharge air when being dismounted, which is as convenient as when being put into an instrument, so that the air bag is convenient, the tearing cut can be reduced, and simultaneously, the air bag 17 has very large volume after being expanded, so that the limiting effect of the trocar can be fully ensured. Particularly, when the surgical incision of the surgical object is very small, the trocar can reduce pain and injury caused by insertion and extraction, and when the surgical incision is very large, the trocar is more firmly installed under the action of the air bag 17 and is not easy to fall off, so that the surgical efficiency can be indirectly improved, the surgical time can be shortened, and the surgical success rate can be improved.
2. The smoke outlet structure of the multifunctional laparoscopic surgery trocar comprises a three-way pipe 11 and a protruding part 12. The through hole II formed in the three-way pipe 11 and the through hole I formed in the smoke collecting hood 2 can be communicated and isolated in the rotating process of the three-way pipe 11, so that whether smoke is discharged or not and the speed of discharging the smoke can be selected, the smoke generated in the operation process can be timely discharged, and the external gas is reduced from entering the operation position.
3. According to the multifunctional laparoscopic surgery trocar, the rubber ring I5 and the rubber ring II 6 are annular pieces, and a plurality of incision lines are arranged on the annular pieces, and when the endoscope tube 3 is clamped, the endoscope tube 3 and the smoke collecting hood 2 are relatively positioned by the incision lines, so that the endoscope tube 3 can be conveniently assembled and disassembled, and the service life of the trocar is prolonged.
4. The multifunctional laparoscopic surgery trocar is characterized in that the top end of the smoke collecting cover 2 is provided with an annular concave surface, and the mounting head 4 can be attached to the annular concave surface, so that the sealing property is improved. The limiting block 16 is matched with the notch 14 to provide a positioning indication function for the mounting head 4, and the matching function of the inserting column 15 and the inserting hole 13 can ensure that the mounting head 4 is fixed with the fume collecting hood 2, so that the lateral rotation is avoided, and the mounting is firmer and more stable.
Example 2
Referring to fig. 6, the present embodiment provides a multifunctional laparoscopic surgical trocar, which is added with a heating device based on embodiment 1. The heating device is used for heating the smoke exhaust pipe 1 and the mirror tube 3. Wherein the heating means comprise at least two heating wires 10. One of the heating wires 10 is wound on the smoke exhaust pipe 1, and the other heating wire 10 is wound on the mirror tube 3. In other embodiments, the heating device may also be heated by other heating methods, for example, by feeding hot air, so as to ensure that the temperature of the smoke exhaust pipe 1 and the mirror tube 3 can approach the temperature of the human body. In this embodiment, the heating device can be controlled by manually starting and stopping the device by a user, and when the user senses that the temperature of the instrument is close to the temperature of a human body, the heating device is closed, so that the temperature of the part of the instrument extending into the human body is consistent with the body temperature, and the problem that the visual field is shielded by water drops due to atomization after the trocar is taken out of the refrigeration equipment is solved.
Example 3
The present embodiment provides a multifunctional laparoscopic surgical trocar which is added with a temperature detecting means and a heating control means on the basis of embodiment 2. These devices form a temperature control system that can effectively control the temperature, and in particular, when the trocar is just in use, can bring the temperature of the instrument close to the human body problem, preventing atomization from affecting the field of view.
Wherein, the temperature detection device is used for detecting the real-time temperature of one end of the lens tube 3 far away from the mounting head 4. The temperature detection device comprises a temperature sensor, and a miniature temperature sensor can be adopted, so that the volume occupation is reduced. The temperature sensor is installed in the smoke exhaust pipe 1 and is used for detecting the temperature of the mirror tube 3. The heating control device is used for judging whether the real-time temperature is lower than a preset temperature. When the real-time temperature is lower than the preset temperature, the heating control device drives the heating wire 10 to heat, so that the temperature of the part, located in the human body, of the trocar reaches the body temperature, and atomization is prevented.
Like this, temperature-detecting device can detect out the real-time temperature of mirror tube 3, and heating control device then can judge whether real-time temperature is less than preset temperature, it is then to explain that the temperature of mirror tube 3 is crossed lowly, can produce fog when placing in human, and then can influence and observe the field of vision, and heating control device then can order about heating device's heater strip 10 to heat this moment, the temperature that makes mirror tube 3 tends to the human body problem, thereby reduce the fog that produces, improve the definition of observing the field of vision, so that perform the operation.
Example 4
The embodiment provides a multifunctional laparoscopic surgical trocar, which is added with a smoke collecting device on the basis of the embodiment 1. The smoke collection device is used for collecting smoke exhausted from the smoke outlet structure, and can comprise a smoke collection container and a smoking device. The smoke sucking device sucks out smoke in the smoke outlet structure through the fan, and the smoke collecting container collects the smoke sucked out by the smoke sucking device and prevents the smoke from flowing back. Like this, collection cigarette device can collect the smog of going out cigarette structure exhaust, can protect the doctor like this, avoids producing more pollution.
Example 5
The present example provides a method of using a multifunctional laparoscopic surgical trocar as provided in examples 1-4. Wherein, the use method of the trocar comprises the following steps.
(1) The mirror tube 3 is inserted into the smoke exhaust tube 1, so that the smoke collecting hood 2 is sealed by the mounting head 4. The step is the assembly step of the trocar, and after the assembly is finished, all the components form a whole, so that the subsequent operation is convenient.
(2) The endoscope tube 3 and the smoke exhaust tube 1 are inserted into the body of the operation patient together. The step is a preliminary trocar placing step, and a preliminary positioning process is realized.
(3) The rubber tube 7 is inflated through the inflating valve 9 and the air inlet and outlet tube 8, so that the two air bags 17 are filled with air and respectively abut against the inside and the outside of the body of the surgical patient, and the smoke exhausting device and the observation device are locked on the surgical patient. This step is a final positioning step, which allows the trocar to be stably positioned at the surgical incision site of the surgical patient by the forward and backward action of the two balloons 17.
(4) The surgical site of the surgical patient is observed through the scope tube 3 and the mounting head 4. The step is an operation observation step, and after the step, a doctor performs an operation according to an observation condition.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A multifunctional laparoscopic surgical trocar, comprising:
the smoke exhaust device comprises a smoke exhaust pipe, a smoke collecting hood and a smoke outlet structure; one end of the smoke exhaust pipe can be inserted into the body of a surgical patient, and the other end of the smoke exhaust pipe is communicated with the smoke collecting hood; the smoke outlet structure is arranged on the smoke collecting cover and is used for discharging smoke in the smoke collecting cover;
an observation device including a scope tube and a mounting head; one end of the mirror tube can be inserted into and penetrates through the smoke exhaust tube, and the other end of the mirror tube is fixedly connected with the mounting head; the mounting head is attached to the smoke collecting cover and seals the smoke collecting cover;
the sealing and fixing device comprises a rubber ring I and a rubber ring II which are coaxially arranged; the first rubber ring is arranged in one end, connected with the smoke exhaust pipe, of the smoke collecting hood and is provided with a plurality of smoke inlet holes; the rubber ring II is arranged in one end of the smoke collecting hood, which is far away from the smoke exhaust pipe, and forms a smoke collecting space together with the rubber ring I and the inner wall of the smoke collecting hood, and the smoke outlet structure is communicated with the smoke collecting space;
the positioning device comprises a rubber tube, an air inlet and outlet tube and an inflating valve; the rubber pipe is sleeved on one end of the smoke exhaust pipe and one end of the smoke collecting hood connected with the smoke exhaust pipe, and is provided with at least two rubber layers; a closed inflation layer is formed between the two rubber layers, and one end of the air inlet and outlet pipe is communicated with the inflation layer; the rubber pipe is sleeved in the middle of the smoke exhaust pipe and is provided with two air bags at intervals, and the air bags are communicated with the inflatable layer; the air bag is in a water drop shape, and the short shaft is vertical to the axial direction of the rubber tube; the inflating valve is connected to the other end of the air inlet and outlet pipe.
2. The multifunctional laparoscopic surgical trocar of claim 1, wherein said multifunctional laparoscopic surgical trocar further comprises:
and the heating device is used for heating the smoke exhaust pipe and the mirror pipe.
3. The multifunctional laparoscopic surgical trocar of claim 2, wherein said heating means comprises at least two heating wires; one of the heating wires is wound on the smoke exhaust pipe, and the other heating wire is wound on the mirror pipe.
4. The multifunctional laparoscopic surgical trocar of claim 3, wherein said multifunctional laparoscopic surgical trocar further comprises:
the temperature detection device is used for detecting the real-time temperature of one end of the lens tube, which is far away from the mounting head;
a heating control device for determining whether the real-time temperature is below a predetermined temperature; and when the real-time temperature is lower than the preset temperature, the heating control device drives the heating wire to heat.
5. The multifunctional laparoscopic surgical trocar of claim 4, wherein said temperature sensing means comprises a temperature sensor; the temperature sensor is arranged in the smoke exhaust pipe and used for detecting the temperature of the mirror tube.
6. The multifunctional laparoscopic surgical trocar of claim 1, wherein said multifunctional laparoscopic surgical trocar further comprises:
a smoke collection device for collecting smoke exhausted from the smoke exhaust structure.
7. The multifunctional laparoscopic surgical trocar of claim 1, wherein said smoke evacuation structure comprises a tee in the shape of a T and a projection; the bulge part is arranged on the side wall of the fume collecting hood and is provided with a rotating space communicated with a first through hole formed in the side wall of the fume collecting hood; two pipes oppositely arranged in the three-way pipe are respectively rotatably arranged in the rotating space and are provided with a second through hole; when the free end of the three-way pipe is close to the outer wall of the fume collecting hood, the second through hole and the first through hole are isolated due to the pipe wall of the three-way pipe; when the axial direction of the free end of the three-way pipe is perpendicular to the outer wall of the smoke collecting hood, the second through hole is communicated with the first through hole, so that the three-way pipe is communicated with the smoke collecting space.
8. The multifunctional laparoscopic surgery trocar according to claim 1, wherein the first rubber ring and the second rubber ring are both annular pieces, the annular pieces are provided with a plurality of incision lines which are uniformly distributed from inside to outside along the radial direction, and the diameters of arcs where the outer end points of the incision lines are located are larger than the pipe diameter of the endoscope pipe.
9. The multifunctional laparoscopic surgical trocar according to claim 1, wherein an end surface of said fume collecting hood near said mounting head is an annular concave surface, and said mounting head can be fitted on said annular concave surface; at least two jacks and at least two gaps are formed in the smoke collection cover, and at least two inserting columns matched with the at least two jacks and at least two limiting blocks matched with the at least two gaps respectively are arranged on the mounting head.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011006620.8A CN112120764B (en) | 2020-09-23 | 2020-09-23 | Multifunctional laparoscopic surgery trocar |
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| CN202011006620.8A CN112120764B (en) | 2020-09-23 | 2020-09-23 | Multifunctional laparoscopic surgery trocar |
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| CN112120764B true CN112120764B (en) | 2022-02-01 |
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| CN117357225B (en) * | 2023-12-07 | 2024-03-15 | 成都新澳冠医疗器械有限公司 | Puncture outfit |
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| CN102307511B (en) * | 2008-12-10 | 2015-06-03 | 微创设备股份有限公司 | Systems for optimizing and maintaining visualization of a surgical field during the use of surgical scopes |
| CN201624745U (en) * | 2010-02-04 | 2010-11-10 | 张士更 | Novel laparoscope puncture casing |
| CN201727566U (en) * | 2010-06-28 | 2011-02-02 | 汤井沣 | Disposable puncturing device with air bag |
| US8551049B2 (en) * | 2011-06-10 | 2013-10-08 | Lexion Medical, Llc | Device and method for evacuating surgical vapor and mist from a body cavity |
| CN208822912U (en) * | 2018-04-20 | 2019-05-07 | 上海君联医疗设备有限公司 | A kind of puncture outfit |
| CN209713005U (en) * | 2019-01-21 | 2019-12-03 | 上海执中医疗技术有限公司 | A kind of stamp card with smog function in cleaning cavity |
| CN210330691U (en) * | 2019-04-24 | 2020-04-17 | 恩施土家族苗族自治州中心医院 | Visual laparoscope puncture outfit for operation |
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| WO2010027135A1 (en) * | 2008-09-04 | 2010-03-11 | Chung Hyun-Kook | Trocar for laparoscopic surgery |
| WO2014081783A1 (en) * | 2012-11-20 | 2014-05-30 | Surgiquest, Inc. | Systems and methods for conducting smoke evacuation during laparoscopic surgical procedures |
| CN209074809U (en) * | 2018-07-10 | 2019-07-09 | 天津市儿童医院 | The anti-gas-leak air bag of fixed laparoscope puncture casing |
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| CN112120764A (en) | 2020-12-25 |
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