CN112603388B

CN112603388B - Device is put into to operation passageway

Info

Publication number: CN112603388B
Application number: CN202011446357.4A
Authority: CN
Inventors: 郑莹; 周小驰; 杨帆; 陈思敬
Original assignee: West China Second University Hospital of Sichuan University
Current assignee: West China Second University Hospital of Sichuan University
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2022-04-05
Anticipated expiration: 2040-12-08
Also published as: CN112603388A

Abstract

The invention relates to the technical field of medical surgical instruments, in particular to an operation channel imbedding device which comprises an imbedding channel, wherein an accommodating cavity used for accommodating an operation channel is arranged in the imbedding channel, an imbedding opening and a notch communicated with the accommodating cavity are formed in the imbedding channel, the imbedding device further comprises an imbedding rod, the imbedding rod can extend into the accommodating cavity from the notch, the imbedding rod is used for pushing an operation channel in the accommodating cavity and/or an inner ring of the operation channel out of the imbedding opening, a clamping part is arranged on the imbedding rod, and the clamping part is used for clamping an outer ring of the operation channel or an outer end of an operation channel film sleeve. By adopting the scheme, the arrangement of the operation channel is greatly facilitated, and the operation risk is further reduced.

Description

Device is put into to operation passageway

Technical Field

The invention relates to the technical field of medical surgical instruments, in particular to an operation channel imbedding device.

Background

The laparoscopic minimally invasive surgery has the advantages of small wound, quick recovery and timely follow-up treatment, and is favored by doctors and patients. At present, laparoscopic surgery has a single-hole and multi-hole mode, an intraperitoneal path and an extraperitoneal path, and the extraperitoneal path has the advantages of no interference to intestinal tracts, clear visual field, satisfactory exposure of an abdominal main area, no damage to peritoneum, reduction of adhesion of the pelvic cavity and the like, and has various advantages and disadvantages. The traditional porous laparoscopic intraperitoneal route has great advantages for cleaning pelvic lymph nodes, but the abdominal periaortic lymph nodes, especially renal vein level resection is difficult due to the difficulty of exposure caused by the interference of intestinal tracts and internal organs; while the porous extraperitoneal approach solves well the problem of exposure of the main abdominal area, it is difficult to expose the obturator fossa to perform pelvic lymphadenectomy due to the lateral approach.

Although the above-mentioned single-port laparoscopic surgery has many advantages, in actual surgery, the inventors found that there still exist problems to be solved in the current single-port laparoscopic surgery, specifically as follows:

when carrying out the single port laparoscopic surgery, behind the operation pincers got into the abdominal cavity by the passageway of patient's umbilical region, when operation position place the place ahead has the tissue to shelter from, leads to operation position tissue to expose when insufficient, for example the operation position is located behind the peritoneum, and the operation pincers need bypass intestinal and internal organs and carry out the operation, because the interference of intestinal and internal organs leads to exposing the difficulty, not only makes the operation process have great risk, is difficult to guarantee good operation effect in addition.

Therefore, there is a need to design a surgical instrument suitable for single port laparoscopic surgery, which can fully expose the shielded surgical site.

Disclosure of Invention

The invention aims to: aiming at the defects that the operation position is prevented from being shielded, the exposure is insufficient, the operation risk is high, the operation quality is difficult to reliably guarantee, and the surgical instrument is suitable for the single-port laparoscopic operation and can fully expose the shielded operation position.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a device is put into to operation passageway, is including putting into the passageway, it is provided with the chamber that holds that is used for holding the operation passageway to put into the passageway, it is used for with operation passageway or operation passageway's inner ring send to near operation position or operation position, put into be provided with on the passageway with hold the mouth and breach of putting into that the chamber is linked together, put into the device still including putting into the pole, put into the pole can by the breach stretches into hold the chamber, it is used for with to put into the pole hold the operation passageway of intracavity and/or the inner ring of operation passageway by put into the mouth and release, be provided with the card portion of holding on putting into the pole, the outer end that the outer loop of operation passageway or operation passageway film cover were held to the card portion of holding. When the outer end of the operation channel film sleeve is used for forming an operation channel, the film sleeve needs to be pulled out of the abdominal wall incision or pulled to the end part of the abdominal wall incision.

Preferably, the clamping part is a clamping groove, and a part of the outer end of the surgical channel thin film sleeve is clamped in the clamping groove.

Preferably, the clamping groove has elasticity.

Preferably, the end of the insertion channel extending to the position near the operation position is an insertion end, the other end of the insertion channel is an external end, and the insertion port is arranged at the insertion end of the insertion channel or near the insertion end.

Preferably, the insertion channel is of a hollow cylinder structure, and the external end is opened to form a notch.

Preferably, the length of the insertion rod is greater than the length of the insertion channel.

Preferably, the insertion rod comprises a sealing section, and the sealing section is in sealing fit with the side wall of the accommodating cavity. In abdominal cavity operation, in order to have good field of vision and operation space, need carry out the gas operation, so, in the scheme, the pole of putting into includes the seal section, can seal the chamber that holds of putting into the passageway, so, reduces operation passageway setting in-process gas leakage degree or avoids gas leakage by a wide margin.

Preferably, the inserting rod further comprises a pushing section and an operating section, the sealing section is arranged between the pushing section and the operating section, and the pushing section is in clearance fit with the side wall of the accommodating cavity.

Preferably, the clamping groove is arranged at the pushing section, the operating section or the sealing section, and when the clamping part is arranged at the sealing section, the clamping part is positioned at one end of the sealing section facing the pushing section.

Preferably, the sealing section, the pushing section and the operating section are of an integrated structure, and the sealing section is made of deformable resin material or silica gel material, so that the sealing section can slide in the accommodating cavity; or the sealing section is in sliding sealing fit with the pushing section and the operating section.

As a further preference, the sealing section is close to the end of the operating section.

Preferably, the length of the embedded rod is L, and the length of the sealing section is L/20-L/10.

As a further preference, the operating section length is L/10-L/5.

As another preference, the length of the pushing section is L/10-L/5.

Preferably, the edge of the pushing section is provided with a round angle.

Preferably, the end of the pushing section is convex in a spherical crown shape.

As a further preference, the pushing section is curved to one side.

As another preference, the end of the pushing section is sharp.

Preferably, the diameter of the insertion rod ensures that after the insertion rod is inserted into the receiving cavity, sufficient space and path for the laparoscope to pass through is left in the receiving cavity.

Preferably, the insertion channel is accessed by a patient abdominal wall incision or a laparoscopic puncture outfit or a single-hole puncture outfit, and the insertion opening is extended to the position near the operation position.

Preferably, the insertion port is disposed at an end of the insertion channel extending into the insertion channel.

Preferably, the extending end of the inserting channel is closed, and the inserting port is disposed on a side wall of the extending end of the inserting channel.

Preferably, the extending end protrudes in an arc shape or a spherical crown shape in a direction away from the insertion channel.

Preferably, the edge of the inlet is chamfered or rounded.

Preferably, the insertion channel is made of a metal material, a silica gel material or a resin material.

Preferably, the outer side wall of the insertion channel is in slidable sealing fit with the poking card inner wall of the laparoscopic puncture outfit or the single-hole puncture outfit.

Preferably, the projecting end is bent to form a curved portion.

Preferably, the insertion channel comprises a straight section and the curved section, and a projection of the curved section does not exceed an edge of a projection of the straight section on a section perpendicular to a central axis of the straight section.

Preferably, the bending part is made of soft material, or is convex in an arc surface shape or a spherical crown shape in a direction departing from the placing channel.

Preferably, the insertion opening is provided on a side away from a bending direction of the bending portion.

Preferably, the extending end is open to form the inlet, and a chamfer and/or a fillet is/are arranged on the edge of the inlet.

Preferably, the bend has a width or diameter that decreases in a direction away from the insertion channel.

Preferably, the insertion channel is a hollow cylindrical structure, the accommodating cavity is formed in the hollow interior of the insertion channel, one end of the insertion channel is the extending end, the other end of the insertion channel is an external end, and the external end is an open notch.

Preferably, a closing member for closing the external end of the insertion channel is further disposed on the insertion channel, and the closing member and the insertion channel are in separable fit. In the abdominal cavity operation, in order to have good visual field and operation space, the operation of inflating is needed, so, in this scheme, through setting up the sealing member that seals the breach, avoid the gas leakage in the operation passageway setting-up process, or reduce the gas leakage volume.

Preferably, a through hole is formed in the closing member, and the inserting rod is in slidable sealing fit with the through hole, so that the inserting rod can extend into the accommodating cavity from the notch.

Preferably, the closing member has a plate-like structure or a film-like structure.

Preferably, the closing member is made of a resin material having elasticity.

Preferably, the closing member includes a fixing ring having an annular structure and a tightening ring having an annular structure, the fixing ring is detachably connected to the insertion passage at the notch, the tightening ring is disposed in the fixing ring, a sealing film is hermetically connected between the tightening ring and the fixing ring, and the tightening ring is slidably and hermetically engaged with the insertion rod.

Preferably, the tightening ring has elasticity.

Preferably, when the fixing ring is coupled to the insertion passage, the sealing film between the tightening ring and the fixing ring is in a loose state. By adopting the structure, the weight of the sealing component is greatly reduced, the operation is facilitated, the action of the embedded rod is not influenced, and when the embedded rod moves, the sealed part is not influenced too much, so that the good sealing effect is further ensured.

Has the advantages that:

1. according to the scheme, the operation channel is placed in the accommodating cavity, then the inserting channel is adopted to be conveyed to the operation position, tissue shielding is pushed away through the inserting channel, when the inserting channel extends to the position, the inserting rod is adopted to push the operation channel and/or the inner ring of the operation channel, the accommodating cavity is moved to the position near the operation position, the inner ring is fixed and then the inserting channel and the inserting rod are withdrawn, or the inserting channel and the inserting rod are withdrawn firstly and then the inner ring is fixed, and after the inner ring is fixed, the other end of the film channel is connected with the operation platform at the abdominal incision of the patient, so that the operation channel for the surgical instrument to enter is formed between the operation position and the operation platform, and the convenience of the operation channel is greatly improved; particularly, for the operation position behind the peritoneum, such as the abdominal aorta side lymph node resection, the renal vein horizontal resection and the like, a large amount of shielding tissues exist between the operation position and the abdominal incision, the tissue shielding is pushed away through the insertion channel, the operation channel is established, the insertion channel extends into the retroperitoneal tissue, the inner ring is connected with the retroperitoneal, namely, an operation channel is formed between the retroperitoneal operation position and the abdominal incision, the operation instrument reaches the operation position after passing through the operation channel, so that the single-port laparoscope retroperitoneal operation is realized, when the operation instrument enters from the channel and passes through the inner ring, the tissue is prevented from being damaged, after the operation instrument reaches the operation position, a good operation space can be provided, the operation is greatly facilitated, meanwhile, the operation wound of a patient is reduced, and further, the operation instrument nearby the operation position extends out of the operation channel, and facilitate the location of surgical instruments performing the surgical procedure, such as on the posterior peritoneum;

2. due to the fact that the operation channel can conveniently enter the accommodating cavity in the mode, and the inner ring can be conveniently pushed out through the placing opening, the requirement for the width size of the accommodating cavity can be lowered, and the placing channel with the diameter or smaller width can be adopted, so that the placing channel can further conveniently enter the abdominal cavity to the operation position, the risk of damage to the placing path is reduced, and the fact that the diameter of the placing channel is reduced to the extent that the placing channel can enter the abdominal cavity through the poking card is achieved; in addition, by adopting the mode, after the operation channel is placed into the accommodating cavity, the film sleeve of the operation channel is sleeved on the placing rod, the problem that the film sleeve is difficult to unfold due to the fact that the film sleeve is wound into a group due to the fact that the operation position of the operation channel for the operation after peritoneum is far away from the incision of the abdominal wall, the film sleeve of the operation channel is long, after the inner ring of the operation channel is arranged in place, the other end of the film sleeve needs to be pulled out to an operation platform at the incision of the abdominal wall for fixing, so that the film sleeve is stretched, surgical instruments can conveniently enter, if the film sleeve is wound into a group in the accommodating cavity, a plurality of tissues are shielded in a narrow abdominal cavity space, the film sleeve is difficult to unfold and pull out, the film sleeve is possibly damaged during unfolding and pulling out, and the operation channel is failed to be arranged, therefore, the scheme of the application also greatly facilitates the arrangement of the operation channel, the surgical risk is further reduced;

3. the placing rod is provided with a clamping part which is used for clamping the outer ring of the operation channel or the outer end of the film sleeve of the operation channel, when the operation channel is placed in the accommodating cavity, the operation channel is sleeved on the placing rod, the outer ring of the operation channel is clamped in the clamping part, when the outer ring of the operation channel and the film sleeve are in a split structure, the outer end part or all of the film sleeve is clamped in the clamping part, then the placing rod pushes the inner ring to enter the accommodating cavity, so that the inner ring is positioned near the placing opening, then the placing channel is placed in the abdominal cavity, when the placing channel is in place, the placing rod pushes the inner ring to move out of the placing opening to the operation position or the position near the placing opening, after the inner ring is fixed, the placing rod is withdrawn, the outer end of the outer ring or the film sleeve is gradually pulled out of the operation platform at the abdominal wall incision or the abdominal wall incision, then the placing channel is withdrawn, and the outer end of the film sleeve is wound, the film channel is stretched to a proper degree, and then the outer end or the outer ring of the film sleeve is fixed, so that the establishment of the operation channel is completed, and the difficulty of searching for the outer ring by adopting other instruments, particularly searching for the outer end of the film sleeve, is directly avoided, the establishment work of the operation channel is greatly simplified, and the problem that the film sleeve is scratched and damaged in the establishment process of the operation channel is also reduced;

4. the length of the embedding rod is greater than that of the embedding channel, so that the operation of the embedding rod is further facilitated; moreover, when the end part of the embedding rod entering the embedding passage extends out of the embedding opening, the function of a path detecting rod can be achieved, and the embedding passage can further conveniently enter the operation position

5. The pushing section is in a bent shape, when the operation section is rotated, the rotating area of the pushing section is larger, more pushing position selections can be provided, and the pushing of the inner ring is further facilitated;

6. when the end part of the pushing section is in a sharp shape, the inserting rod can be used as a penetrating device of the posterior peritoneum, namely, when the inserting channel extends into the posterior peritoneum, the inserting rod can extend out to penetrate the posterior peritoneum, so that the inserting port of the inserting channel can smoothly enter the retroperitoneum;

7. when the insertion port is arranged at the end part of the extending port, the inner ring of the operation channel is further convenient to be separated from the accommodating cavity through the insertion port, and the insertion rod is also convenient to extend out of the insertion channel to probe or puncture the posterior peritoneal; when the extending end of the inserting channel is closed, the inserting port is arranged on the side wall of the extending end of the inserting channel. The extending end of the embedding channel is closed, and the embedding opening is formed in the side wall of the extending end of the embedding channel. In the scheme, the placing port is arranged on the side wall, and the extending end of the placing channel is in a closed shape, so that the edge of the placing port is prevented from scratching tissues and blood vessels in the abdominal wall when the placing channel enters the abdominal cavity of a patient, and the use safety of the placing channel is greatly improved; moreover, the sealing of the end part of the extending end also avoids the danger that the operation channel falls out of the implantation channel when the implantation channel enters the operation position;

8. the extending end is bent to form a bent part, and when the inserting channel is rotated, the extending end has a large-range position adjustment, so that the inserting channel is further convenient to push tissues to be shielded to an operation position, and the inserting channel is greatly convenient to enter;

9. the projection of the curved portion does not extend beyond the edge of the projection of the straight portion. By the mode, the bending part is bent, the radial size of the embedding channel is not increased, and an operation platform, an abdominal wall incision or a poking card can conveniently enter the embedding channel;

10. the sealing component for sealing the gap is arranged, so that air leakage in the process of arranging the operation channel is avoided, or the air leakage amount is reduced;

11. the sealing member is of a plate-shaped structure or a film-shaped structure, the sealing member is light in weight, and cannot cause large weight increasing burden, and when the sealing member is of the film-shaped structure, the film-shaped structure is soft, so that the movement of the embedded rod and the movement in the radial direction are not hindered, the operable degree of freedom of the embedded rod is greatly improved, and the pushing of the inner ring and other actions are facilitated;

12. when the fixing ring is connected with the placing channel, the sealing film between the tightening ring and the fixing ring is in a loose state, the structure is adopted, the weight of the sealing component is greatly reduced, the operation is facilitated, the action of the placing rod is not influenced, and when the placing rod moves, the sealing part is not influenced too much, so that a good sealing effect is further ensured.

Drawings

FIG. 1 is a schematic structural diagram of one embodiment of the present application;

FIG. 2 is a schematic structural diagram of one embodiment of the present application;

FIG. 3 is a schematic structural diagram of one embodiment of the present application;

FIG. 4 is a schematic structural diagram of one embodiment of the present application;

FIG. 5 is a schematic structural diagram of one embodiment of the present application;

FIG. 6 is a schematic structural diagram of one embodiment of the present application;

FIG. 7 is a schematic structural diagram of one embodiment of the present application

FIG. 8 is a schematic structural diagram of one embodiment of the present application;

FIG. 9 is a schematic structural diagram of one embodiment of the present application;

FIG. 10 is a schematic structural diagram of one embodiment of the present application;

figure 11 is a schematic structural diagram of one embodiment of the present application,

in the figure: 1-placing into a channel; 2-a containing cavity; 3-a surgical tunnel; 4-inner ring; 5-placing in an inlet; 6-extending in end; 7-external end; 8-notch; 9-inserting the rod; 10-a pushing section; 11-a sealing section; 12-an operation section; 13-a catch; 14-a closure member; 15-a fixing ring; 16-a tightening ring; 17-sealing the film.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example, as shown in fig. 1-8:

an operation channel imbedding device is shown in fig. 1 and comprises an imbedding channel 1, wherein an accommodating cavity 2 used for accommodating an operation channel 3 is arranged in the imbedding channel 1, the imbedding channel 1 is used for conveying the operation channel 3 or an inner ring 4 of the operation channel 3 to an operation position or the position close to the operation position, an imbedding port 5 and a notch 8 communicated with the accommodating cavity 2 are arranged on the imbedding channel 1, the imbedding device further comprises an imbedding rod 9, the imbedding rod 9 can extend into the accommodating cavity 2 through the notch 8, the imbedding rod 9 is used for pushing the operation channel 3 in the accommodating cavity 2 and/or the inner ring 4 of the operation channel 3 out of the imbedding port 5, a clamping portion 13 is arranged on the imbedding rod 9, and the clamping portion 13 is used for clamping an outer ring of the operation channel 3 or an outer end of a film sleeve of the operation channel 3. When the outer end of the thin film sleeve of the operation channel 3 is used for forming the operation channel 3, the thin film sleeve needs to be pulled out of the abdominal wall incision or pulled to the end part of the abdominal wall incision.

In the scheme of the application, the operation channel 3 is placed in the accommodating cavity 2, then the operation channel 1 is adopted to be sent to the operation position, tissue shielding is pushed away through the accommodating cavity 1, when the accommodating cavity 1 extends to the position, the operation channel 3 and/or the inner ring 4 are pushed by the accommodating rod 9, the accommodating cavity 2 is used to move to the position near the operation position, the inner ring 4 is fixed and then exits the accommodating cavity 1 and the accommodating rod 9, or the operation channel 1 and the accommodating rod 9 are exited firstly and then the inner ring 4 is fixed, and after the inner ring 4 is fixed, the other end of the film channel is connected with an operation platform at the abdominal incision of a patient, so the operation channel 3 for surgical instruments to enter is formed between the operation position and the operation platform, and the convenience of the operation channel 3 is greatly improved; particularly, for the operation position located behind the peritoneum, such as the abdominal aorta side lymph node resection and the renal vein horizontal resection, etc., a large amount of shielding tissues exist between the operation position and the abdominal incision, the tissue shielding is pushed away through the insertion channel 1, the operation channel 3 is set, the insertion channel 1 extends into the retroperitoneal tissue, the inner ring 4 is connected with the posterior peritoneal, namely, the operation channel 3 is formed between the retroperitoneal operation position and the abdominal incision, the operation instrument reaches the operation position after passing through the operation channel 3, so that the single-hole laparoscope retroperitoneal operation is realized, when the operation instrument enters from the channel and passes through the inner ring 4, the tissue is prevented from being damaged, after the operation instrument reaches the operation position, a good operation space can be provided, the operation is greatly facilitated, meanwhile, the operation wound of a patient is reduced, and it is further required to explain that the operation instrument extends out from the operation channel 3 near the operation position, and facilitate the location of surgical instruments performing the surgical procedure, such as on the posterior peritoneum;

moreover, because the operation channel 3 can conveniently enter the accommodating cavity 2 in such a way, and the inner ring 4 can be conveniently pushed out by the placing port 5, the requirement on the width dimension of the accommodating cavity 2 can be reduced, and the placing channel 1 with smaller diameter or width can be adopted, so that the placing channel 1 can further conveniently enter the abdominal cavity to an operation position, the risk of damage to the placing path is reduced, and the diameter of the placing channel 1 is reduced to be capable of entering the abdominal cavity through poking; in addition, by adopting the mode, after the operation channel 3 is placed in the accommodating cavity 2, the film sleeve of the operation channel 3 is sleeved on the placing rod 9, the problem that the film sleeve is difficult to unfold because the film sleeve is wound into a group, particularly for the operation channel 3 for the retroperitoneal operation, because the operation position is far away from the incision of the abdominal wall, the film sleeve of the operation channel 3 is long, after the inner ring 4 of the operation channel 3 is arranged in place, the other end of the film sleeve needs to be pulled out to the operation platform at the incision of the abdominal wall for fixing, so that the film sleeve is stretched, further the operation instrument can conveniently enter, if the film sleeve is wound into a group in the accommodating cavity 2, in a narrow abdominal cavity space, a plurality of tissues are shielded, so that the film sleeve is difficult to unfold and pull out, and the film sleeve can be damaged when unfolded and pulled out, the operation channel 3 is failed to arrange, by adopting the scheme of the application, the arrangement of the operation channel 3 is greatly facilitated, and the operation risk is further reduced;

further, a clamping part 13 is arranged on the inserting rod 9, the clamping part 13 is used for clamping the outer ring of the operation channel 3 or the outer end of the film sleeve of the operation channel 3, when the operation channel 3 is inserted into the accommodating cavity 2, the operation channel 3 is firstly sleeved on the inserting rod 9, the outer ring of the operation channel 3 is clamped in the clamping part 13, when the outer ring of the operation channel 3 and the film sleeve are in a split structure, the outer end part or the whole of the film sleeve is clamped in the clamping part 13, then the inner ring 4 is pushed by the inserting rod 9 to enter the accommodating cavity 2, the inner ring 4 is positioned near the inserting opening 5, then the inserting channel 1 is inserted into the abdominal cavity, when the inserting channel 1 is put in place, the inserting rod 9 pushes the inner ring 4 to move out of the inserting opening 5 to the operation position or near the operation position, after the inner ring 4 is fixed, the inserting rod 9 withdraws, the outer ring or the film sleeve is gradually pulled out of the operation platform at the abdominal wall incision or the abdominal wall incision, the operation channel 3 is set up by winding the outer end of the film sleeve, extending the film channel to a proper degree, and fixing the outer end or the outer ring of the film sleeve, so that the difficulty of finding the outer ring, especially the outer end of the film sleeve, by adopting other instruments is directly avoided, the setting work of the operation channel 3 is greatly simplified, and the problem that the film sleeve is scratched and damaged in the setting process of the operation channel 3 is also reduced.

As a preferred embodiment, on the basis of the above manner, further, the holding part 13 is a slot, and a part of the outer end of the thin film sleeve of the operation channel 3 is held in the slot.

In a preferred embodiment, in addition to the above aspect, the card slot has elasticity.

As a preferred embodiment, on the basis of the above manner, further, an end of the insertion channel 1 extending to the vicinity of the operation position is an extending end 6, and the other end is an external end 7, and the insertion port 5 is disposed at the extending end 6 of the insertion channel 1 or the vicinity of the extending end 6.

In a preferred embodiment, in addition to the above, the insertion channel 1 is a hollow cylinder structure, and the external end 7 is open to form the notch 8. Before putting into passageway 1 and getting into the abdominal cavity, place into holding chamber 2 with operation passageway 3's inner ring 4 through breach 8 in, will put into passageway 1 and set up to the tube body structure, its external end 7 opens, and further made things convenient for sets up operation passageway 3 in holding chamber 2.

In a preferred embodiment, in addition to the above, the length of the insertion rod 9 is greater than the length of the insertion channel 1. The length of the embedding rod 9 is greater than that of the embedding channel 1, so that the operation of the embedding rod 9 is further facilitated; moreover, when the end part of the inserting rod 9 entering the inserting channel 1 extends out of the inserting opening 5, the function of a path detecting rod can be achieved, and the inserting channel 1 can further conveniently enter the operation position.

In a preferred embodiment, based on the above manner, as further shown in fig. 2, the inserting rod 9 includes a sealing section 11, and the sealing section 11 is in sealing engagement with the side wall of the accommodating cavity 2. In abdominal cavity operation, in order to have good field of vision and operation space, need carry out the gas operation, so, in the scheme, implantation rod 9 includes sealed section 11, can seal the holding chamber 2 of putting into passageway 1, so, reduces operation passageway 3 setting in-process gas leakage degree or avoids gas leakage by a wide margin.

As a preferred embodiment, on the basis of the above manner, further, the inserting rod 9 further includes a pushing section 10 and an operating section 12, the sealing section 11 is disposed between the pushing section 10 and the operating section 12, and the pushing section 10 is in clearance fit with the sidewall of the accommodating cavity 2. When in use, the medical staff holds the operation section 12 by hand, and the pushing section 10 extends into the accommodating cavity 2 to push the inner ring 4 of the operation channel 3.

As a preferred embodiment, on the basis of the above manner, further, the clamping groove is arranged in the pushing section 10 or the operating section 12 or the sealing section 11, and when the catching part 13 is arranged in the sealing section 11, the catching part 13 is located at one end of the sealing section 11 facing the pushing section 10.

As a preferred embodiment, on the basis of the above manner, further, the sealing section 11, the pushing section 10 and the operating section 12 are of an integral structure, and the sealing section 11 is made of a deformable resin material or a silicone material, so that the sealing section 11 can slide in the accommodating cavity 2; alternatively, the sealing section 11 is in sliding sealing fit with the pushing section 10 and the operating section 12. This enables the sealing section 11 to seal the receiving space 2 when the inner ring 4 is pushed by the insertion rod 9.

As a further preference, the sealing section 11 is close to the end of the operating section 12. In this way, the removal of the inner ring 4 from the introduction opening 5 is further facilitated. Further facilitating the film of the operation channel 3 to be sleeved on the pushing section 10.

Preferably, the length of the insertion rod 9 is L, and the length of the sealing section 11 is L/20-L/10. The sealing section 11 of this application ensures and holds and form sealed cooperation between the chamber 2 in, still will ensure to slide in putting into the passageway 1, so in this scheme, sealing section 11 adopts this proportional length, ensures that sealing section 11 and holds and form too big resistance and bring the difficulty for removing between the chamber 2.

As a further preference, the length of the operating section 12 is from L/10 to L/5. The length proportion of the operation section 12 ensures that the pushing section 10 has a longer length for the film sleeve of the operation channel 3 to be sleeved thereon in a more stretching manner, thereby further facilitating the stretching of the film sleeve.

As another preference, the length of the pushing section 10 is L/10-L/5. In this kind of scheme, sealed section 11 is close to the tip that promotes section 10, just also makes, puts into pole 9 and when the entering holds chamber 2 not too long distance, sealed section 11 just can play sealed effect, when putting into pole 9 and withdrawing, until putting into pole 9 most when all withdrawing, sealed section 11 still with hold chamber 2 between have sealed cooperation, so, adopt the pole 9 of putting into of this kind of mode, improved operation passageway 3 by a wide margin and set up the airtight effect of in-process, reduce the gas leakage degree.

As a preferred embodiment, on the basis of the above manner, further, the edge of the pushing section 10 is provided with a round angle.

As a preferred embodiment, on the basis of the above manner, further, the end part of the pushing section 10 is protruded to be in a spherical crown shape. By adopting the mode, the thin film sleeve of the operation channel 3 can be prevented from being scratched.

As a further preferred embodiment, on the basis of the above, the pushing section 10 is bent to one side as shown in fig. 3 or 6. The pushing section 10 is curved, and when the operating section 12 is rotated, the rotating area of the pushing section 10 is larger, so that more pushing position choices can be provided, and the pushing of the inner ring 4 is further facilitated.

As another preference, as shown in fig. 4 or 7, the end of the pushing section 10 is sharp. When the tip of promotion section 10 adopted the acutely shape, can regard as the penetrating device of back peritoneum with the pole 9 of putting into of this application, promptly, when putting into passageway 1 and stretching into back peritoneum, can adopt to put into pole 9 and stretch out and pierce through back peritoneum, so, make to put into passageway 1 put into mouth 5 and can enter into behind the peritoneum smoothly.

In a preferred embodiment, in addition to the above, the diameter of the insertion rod 9 ensures that after the insertion rod 9 is inserted into the receiving cavity 2, a sufficient gap and path for the laparoscope to pass through is left in the receiving cavity 2. Therefore, in the process of placing and setting the operation channel 3, a surgical instrument such as a laparoscope can be adopted to extend from the containing cavity 2 and/or the film sleeve of the operation channel 3, so as to assist the setting of the operation channel 3.

In a preferred embodiment, based on the above manner, further, the insertion channel 1 is accessed from an incision on the abdominal wall of a patient or from a laparoscopic puncture outfit or from a single-hole puncture outfit, and the insertion opening 5 is extended to the vicinity of the operation position. When the operation channel 3 is arranged, a single-hole operation system of the abdomen is firstly established, and then the operation channel 1 is arranged.

In a preferred embodiment, in addition to the above, as shown in fig. 1 to 7, the insertion opening 5 is disposed at the end of the insertion channel 1 extending into the end 6. When the insertion port 5 is arranged at the end part of the extending port 6, the inner ring 4 of the operation channel 3 is further convenient to be separated from the accommodating cavity 2 through the insertion port 5, and the insertion rod 9 is also convenient to extend out of the insertion channel 1 to probe or puncture the posterior peritoneum.

As another preferred mode, as shown in fig. 9 and 10, the extending end 6 of the inserting channel 1 is closed, and the inserting opening 5 is disposed on the side wall of the extending end 6 of the inserting channel 1. The extending end 6 of the inserting channel 1 is closed, and the inserting port 5 is arranged on the side wall of the extending end 6 of the inserting channel 1. In the scheme, the placing port 5 is arranged on the side wall, and the extending end 6 of the placing channel 1 is closed, so that the situation that when the placing channel 1 enters the abdominal cavity of a patient, the edge of the placing port 5 scratches tissues and blood vessels in the abdominal wall is avoided, and the using safety of the placing channel 1 is greatly improved; moreover, the sealing of the end of the insertion end 6 also avoids the danger that the operation channel 3 falls out of the insertion channel 1 when the insertion channel 1 enters the operation position

In a preferred embodiment, in addition to the above, as shown in fig. 9, the extending end 6 is convex in an arc shape or a spherical crown shape in a direction away from the insertion channel 1. This kind of mode has not only avoided putting into passageway 1 and has got into in-process fish tail tissue and blood vessel in the abdominal cavity, moreover, because the operation position is in the peritoneum, has more tissue viscera to shelter from between abdominal wall incision to operation position, puts into passageway 1 and stretches into end 6 and be arc form or spherical crown shape, pushes away the tissue more easily and reaches the operation position, so, further has made things convenient for the entering of putting into passageway 1.

In a preferred embodiment, in addition to the above-mentioned embodiment, the edge of the inlet 5 is further provided with a chamfer or a fillet. The edge of the entrance 5 is provided with a chamfer or a fillet, so on one hand, the tissues and blood vessels are prevented from being scratched when the entrance 1 enters, and on the other hand, the inner ring 4 and partial thin film channel of the operation channel 3 are prevented from being scratched when passing through the entrance 5.

As a preferred embodiment, on the basis of the above manner, further, the insertion channel 1 is made of a metal material, a silicon material or a resin material. When the insertion channel 1 is made of a silica gel material or a resin material, the insertion channel has certain flexibility, and the damage to the tissue caused by the entry of the insertion channel 1 can be further avoided.

In a preferred embodiment, based on the above manner, further, the outer sidewall of the insertion channel 1 is slidably and hermetically engaged with the inner wall of the trocar of the laparoscopic puncture outfit or the single-hole puncture outfit.

As a preferred embodiment, in addition to the above-mentioned manner, further, as shown in fig. 10 and 11, the extending end 6 is bent to form a bent portion. In this application, stretch into end 6 bending formation flexion, when the passageway 1 is put into in the gyration, stretch into the section and have a position adjustment on a large scale, so, the further passageway 1 of being convenient for of putting into pushes away the tissue and shelters from to the operation position, has made things convenient for the entering of putting into passageway 1 by a wide margin.

As a preferred embodiment, on the basis of the above manner, further, the insertion channel 1 includes a straight section and the curved section, and a projection of the curved section does not exceed an edge of a projection of the straight section on a cross section perpendicular to a central axis of the straight section. Through the mode, the bending part is bent, the radial size of the embedding channel 1 is not increased, and an operation platform, an abdominal wall incision or a poking card can conveniently enter the embedding channel.

In a preferred embodiment, in addition to the above-mentioned mode, the bending portion is made of a soft material, or is formed in a shape of a curved surface or a spherical crown protruding in a direction away from the insertion passage 1. In the scheme, the soft material has certain strength, can smoothly enter the operation position or the position near the operation position, and can provide certain deformation to reduce the risk of scratching tissues and blood vessels, such as a silica gel material, a resin material or a rubber material; and the arc surface shape or the spherical crown shape is adopted, so that the tissues are more easily pushed away to reach the operation position, and the risk that the tissues and the blood vessels are scratched can be reduced, thereby further facilitating the entering of the implantation channel 1.

In a preferred embodiment, in addition to the above-described embodiment, as shown in fig. 9, the inlet 5 is provided on a side away from the bending direction of the bending portion. In the scheme, the placing port 5 is arranged on the side wall, and the extending end 6 of the placing channel 1 is closed, so that the situation that when the placing channel 1 enters the abdominal cavity of a patient, the edge of the placing port 5 scratches tissues and blood vessels in the abdominal wall is avoided, and the using safety of the placing channel 1 is greatly improved; moreover, the sealing of the end of the insertion end 6 also avoids the danger that the operation channel 3 falls out of the insertion channel 1 when the insertion channel 1 enters the operation position.

As another preferred mode, as shown in fig. 10, the extending end 6 is open to form the inlet 5, and the edge of the inlet 5 is chamfered and/or rounded. The edge of the entrance 5 is provided with a chamfer or a fillet, so on one hand, the tissues and blood vessels are prevented from being scratched when the entrance 1 enters, and on the other hand, the inner ring 4 and partial thin film channel of the operation channel 3 are prevented from being scratched when passing through the entrance 5.

In a preferred embodiment, in addition to the above, the curved portion has a width or diameter that gradually decreases in a direction away from the insertion channel 1. The bending part is convenient to push tissues away to an operation position, and the tissues can conveniently penetrate through a posterior abdominal membrane to retroperitoneal tissues.

As a preferred embodiment, on the basis of the above mode, further, the inserting passage 1 is a hollow cylindrical structure, the accommodating cavity 2 is formed in the hollow inside of the inserting passage 1, one end of the inserting passage 1 is the extending end 6, the other end is an external end 7, and the external end 7 is open to form the notch 8. So, can make things convenient for operation passageway 3 to put into and hold chamber 2, set up the in-process at operation passageway 3, also can adopt other medical instrument to stretch into and put into passageway 11 and carry out auxiliary work, further made things convenient for operation passageway 3's setting.

In a preferred embodiment, in addition to the above-mentioned manner, as shown in fig. 5 to 7, a closing member 14 for closing the external end 7 of the insertion channel 1 is further provided on the insertion channel 1, and the closing member 14 is detachably engaged with the insertion channel 1. In the abdominal cavity operation, in order to have a good visual field and an operation space, the inflation operation is required, so in the scheme, the sealing component 14 for sealing the notch 8 is arranged, so that the air leakage in the process of arranging the operation channel 3 is avoided, or the air leakage is reduced.

In a preferred embodiment, in addition to the above, a through hole is further formed in the closing member 14, and the insertion rod 9 is slidably and sealingly engaged with the through hole, so that the insertion rod 9 can be inserted into the accommodating cavity 2 through the notch 8.

In a preferred embodiment, in addition to the above-described embodiment, the closing member 14 has a plate-like structure or a film-like structure. By adopting the structure, the weight is light, the heavy weight increasing burden can not be caused, and when the sealing piece is of a film-shaped structure, the film-shaped structure is soft, the movement of the embedded rod 9 and the movement along the radial direction are not hindered, the operable degree of freedom of the embedded rod 9 is greatly improved, and the pushing and other actions on the inner ring 4 are further facilitated.

In a preferred embodiment, in addition to the above-described embodiment, the closing member 14 is made of a resin material having elasticity.

In a preferred embodiment, in addition to the above-mentioned embodiment, as shown in fig. 8, the closing member 14 includes a fixing ring 15 having a ring structure and a tightening ring 16 having a ring structure, the fixing ring 15 is detachably connected to the insertion passage 1 at the notch 8, the tightening ring 16 is disposed in the fixing ring 15, a sealing film 17 is sealingly connected between the tightening ring 16 and the fixing ring 15, and the tightening ring 16 is slidably and sealingly engaged with the insertion rod 9.

In a preferred embodiment, in addition to the above-described aspect, the tightening ring 16 has elasticity.

In a preferred embodiment, in addition to the above-described embodiment, when the fixing ring 15 is connected to the insertion path 1, the sealing film 17 between the tightening ring 16 and the fixing ring 15 is in a loose state. By adopting the structure, the weight of the sealing component 14 is greatly reduced, the operation is facilitated, the action of the inserting rod 9 is not influenced, and when the inserting rod 9 moves, the sealed part is not influenced too much, so that the good sealing effect is further ensured.

The above embodiments are only used for illustrating the invention and not for limiting the technical solutions described in the invention, and although the present invention has been described in detail in the present specification with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement of the present invention is made; all such modifications and variations are intended to be included herein within the scope of this disclosure and the appended claims.

Claims

1. An operation channel imbedding device, which is characterized in that: comprises an implantation channel, wherein an accommodating cavity for accommodating an operation channel is arranged in the implantation channel,

the placing channel is provided with a placing opening and a gap which are communicated with the containing cavity, the placing device also comprises a placing rod, the placing rod can extend into the containing cavity from the gap, the placing rod is used for pushing the inner ring of the operation channel in the containing cavity out of the placing opening, the placing rod is provided with a clamping part, the clamping part is used for clamping the outer ring of the operation channel or the outer end of the operation channel film sleeve,

the operation channel is placed in the accommodating cavity, the operation channel is conveyed to an operation position by adopting the implantation channel, the tissue shielding is pushed away through the implantation channel, the length of the implantation rod is greater than that of the implantation channel, and the operation of the implantation rod is further facilitated; and when the end part of the embedding rod entering the embedding channel extends out of the embedding opening, the function of a path probing rod can be achieved, and the embedding channel can further conveniently enter the operation position.

2. The surgical access placement device of claim 1, wherein: after the operation channel is placed in the accommodating cavity, the thin film sleeve of the operation channel is sleeved on the placing rod.

3. The surgical access placement device of claim 1, wherein: the end part of the embedding channel extending to the position near the operation position is an extending end, the other end of the embedding channel is an external end, the embedding opening is arranged at the extending end of the embedding channel or the position near the extending end, the embedding channel is of a hollow cylinder structure, and the external end is opened to form the notch.

4. The surgical access placement device of any of claims 1-3, wherein: the clamping part is a clamping groove, and part of the outer end of the operation channel thin film sleeve is clamped in the clamping groove.

5. The surgical access placement device of claim 4, wherein: put into the pole including sealed section, sealed section with for sealed cooperation between the lateral wall that holds the chamber, it still includes promotion section and operation section to put into the pole, sealed section sets up promote between section and the operation section, promote the section with hold for clearance fit between the lateral wall in chamber.

6. The surgical access placement device of claim 5, wherein: the clamping groove is arranged at the pushing section, the operating section or the sealing section, and the clamping part is positioned at one end of the sealing section facing the pushing section when the clamping part is arranged at the sealing section.

7. The surgical access placement device of claim 6, wherein: the length of the embedded rod is L, the length of the sealing section is L/20-L/10,

the length of the operation section is L/10-L/5, or the length of the pushing section is L/10-L/5.

8. The surgical access placement device of claim 7, wherein: the edge of the pushing section is provided with a round angle, or the end part of the pushing section is protruded to form a spherical crown shape, or the pushing section is bent towards one side, or the end part of the pushing section is sharp.

9. The surgical access placement device of claim 8, wherein: the extending end of the embedding channel is closed, the embedding port is arranged on the side wall of the extending end of the embedding channel,

or, the inlet is arranged at the end part of the extending end of the inserting channel,

stretch into the end and be the court and deviate from the direction arch of putting into the passageway is arc form or spherical crown shape, stretch into the crooked portion that forms of end, put into the passageway including straight section with the flexion, at the perpendicular to on the cross-section of straight section the central axis, the projection of flexion does not surpass the projected edge of straight section, the flexion is in the court deviates from in the direction of putting into the passageway, width or diameter reduce gradually.

10. The surgical access placement device of claim 8, wherein: the embedding channel is also provided with a sealing component for sealing the notch of the external end of the embedding channel, the sealing component and the embedding channel are in separable fit, the closing component is provided with a through hole, the imbedding rod is in sliding sealing fit with the through hole, so that the imbedding rod can extend into the accommodating cavity from the gap, the sealing component comprises a fixing ring with an annular structure and a tightening ring with an annular structure, the fixing ring is detachably connected with the placing channel at the notch, the tightening ring is arranged in the fixing ring, a sealing film is hermetically connected between the tightening ring and the fixing ring, the tightening ring and the embedding rod are in slidable sealing fit, the tightening ring has elasticity, when the fixing ring is connected with the placing channel, the sealing film between the tightening ring and the fixing ring is in a loose state.