Improved incision protection sleeve for chest minimally invasive surgery

Abstract

The invention aims to provide an improved incision protective sleeve for chest minimally invasive surgery, and relates to the technical field of medical instruments, three guide cylinders are movably mounted on an outer ring, an endoscope, an assistant instrument and an emergency instrument can enter and exit from the three guide cylinders respectively, and the instruments can be effectively separated through the rigid structural design of the guide cylinders; mutual interference of an endoscope, an assistant instrument and an emergency instrument can be effectively avoided through constraint of the guide cylinder, meanwhile, the guide cylinder is installed on the outer ring and can provide support for the endoscope, the assistant instrument and the emergency instrument, the endoscope holding stability is improved, and the instruments are convenient to operate and control; through the design of the cover plate and the bottom plate of the outer ring, the position of the flexible channel clamped and fixed by the cover plate and the bottom plate can be adjusted according to the thicknesses of incisions of different patients, so that the distance between the outer ring and the inner ring is adjusted; the distance between the guide cylinder and the circle center of the outer ring is adjusted through stretching of the telescopic rod, the angle of the guide cylinder can be flexibly adjusted through the ball head structure, and the control requirement of the instrument is met.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and in particular to a modified incision protective sleeve for minimally invasive chest surgery. Background Technology

[0002] Single-port thoracoscopic surgery is an improvement on traditional multi-port thoracoscopic minimally invasive surgery. However, because both the surgeon and assistant need to operate through a single port, instrument interference is unavoidable, becoming a key factor limiting their proficiency. During the procedure, the assistant's instruments are positioned directly behind the incision, and often the surgeon even uses a scalp vein catheter to restrain the assistant's endoscope and pull it backward, while the surgeon's instruments are in front of the incision. Traditional incision protectors cannot achieve this separation of operating space; they only open the incision. Therefore, existing incision protectors need to be improved. On the one hand, they need to separate the working areas of the assistant and surgeon's instruments to reduce mutual interference and create maximum space for the surgeon's operation. On the other hand, they also need to leave an additional channel for placing occlusive instruments in emergencies.

[0003] The prior art CN206261624U discloses an incision protective sleeve for an endoscope. This protective sleeve only provides a channel for the endoscope and does not reserve a channel for instruments for the assistant's other hand or emergency instruments. Moreover, the channel material is too soft and cannot effectively separate the instruments of the surgeon and the assistant. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides the following technical solution: A modified incision protective sleeve for minimally invasive chest surgery includes an inner ring, an outer ring, and a flexible channel. The lower part of the flexible channel is integrally connected to the inner ring, and the upper part is detachably connected to the outer ring. Several guide tubes are movably installed on the outer ring.

[0005] Furthermore, the outer ring includes a base plate and a cover plate, the base plate and the cover plate are detachably connected, the upper part of the flexible channel extends from the inside of the base plate and folds over to fit onto the outside of the base plate, and the flexible channel is fixed by the closing clamp of the cover plate and the base plate.

[0006] Furthermore, a telescopic rod is fixedly installed on the cover plate, and a ball head structure is provided on the extended end of the telescopic rod. The guide cylinder is movably connected to the telescopic rod through the ball head structure.

[0007] Furthermore, the outer side of the cover plate is provided with several upper slots, the outer side of the bottom plate is provided with a lower slot, and several locking plates are detachably provided on the outer ring; after the bottom plate and the cover plate are closed, the locking plates are engaged with the upper and lower slots to restrict the separation of the bottom plate and the cover plate.

[0008] Furthermore, a retainer is provided on the guide cylinder. The retainer includes a retaining rod, a sleeve, and a retaining plate. The sleeve is fixedly installed on the guide cylinder. The retaining plate is slidably connected to the guide cylinder via a fixed connecting rod. The retaining rod moves through the sleeve and is rotatably connected to the connecting rod. The connecting rod slides radially into the guide cylinder from the inner wall of the guide cylinder, and an elastic element is sleeved on the connecting rod. The retaining plate and the guide cylinder are connected through the elastic element. Under the action of the elastic element, the retaining plate tends to slide towards the axis of the guide cylinder. The sleeve has a low groove and a high groove. A retaining rod is fixedly installed on the outer wall of the retaining rod. By rotating the retaining rod, the retaining rod is engaged in the low groove. Under the action of the elastic element, the retaining plate slides forward. By pulling the retaining rod backward, the retaining rod is brought out of the low groove, thereby driving the retaining plate to move backward and compress the elastic element. By rotating the retaining rod, the retaining rod slides into the high groove, thereby restricting the forward movement of the retaining plate.

[0009] Furthermore, there are three guide cylinders, one of which is located at the 9 o'clock position on the outer ring, and the other two guide cylinders are spaced apart at the 3 o'clock position on the outer ring.

[0010] Furthermore, the inner ring and flexible channel are elastic structures, while the outer ring is a rigid structure, with the outer ring having a larger diameter than the inner ring.

[0011] Compared with the prior art, the technical solution of this application has the following beneficial effects: 1. The flexible channel of the present invention is integrally connected to the inner ring at the bottom and detachably connected to the outer ring at the top. Three guide tubes are movably installed on the outer ring. The three guide tubes can allow the endoscope, assistant instruments, and emergency instruments to enter and exit respectively. The rigid structure design of the guide tubes can effectively separate the instruments. The constraint of the guide tubes can effectively prevent the endoscope, assistant instruments, and emergency instruments from interfering with each other. At the same time, the guide tubes installed on the outer ring can provide support for the endoscope, assistant instruments, and emergency instruments, improve the stability of holding the endoscope, and facilitate the operation of the instruments. 2. The design of the cover plate and base plate of the outer ring of the present invention can adjust the position of the cover plate and base plate clamping and fixing the flexible channel according to the incision thickness of different patients, thereby adjusting the distance between the outer ring and the inner ring; 3. In this invention, a telescopic rod is fixedly installed on the cover plate of the outer ring, and the guide cylinder is movably installed on the extended end of the telescopic rod through a ball head structure. The distance between the guide cylinder and the center of the outer ring can be adjusted by telescopically extending the telescopic rod according to the usage requirements and the size of the cut. The angle of the guide cylinder can also be flexibly adjusted through the ball head structure to meet the control requirements of the instrument. 4. The present invention provides a fixator on the guide tube. By rotating the fixing rod of the fixator, the locking rod is engaged in the lower groove. Under the action of the elastic element, the fixing plate slides forward and contacts the instrument, which restricts the movement of the instrument in the guide tube and prevents the instrument from sliding down and causing injury to the patient. By pulling the fixing rod backward, the locking rod is brought out of the lower groove, thereby driving the fixing plate to move backward and compress the elastic element. By rotating the fixing rod, the locking rod is driven to slide into the upper groove, thereby restricting the forward movement of the fixing plate, so that the instrument can move in the guide tube. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural schematic diagram of the present invention; Figure 2 This is a schematic diagram of the cover plate structure of the present invention; Figure 3 This is an enlarged schematic diagram of point A of the cover plate structure of the present invention; Figure 4 This is a schematic diagram of the base plate structure of the present invention; Figure 5 This is a schematic diagram of the flexible channel folding upwards according to the present invention; Figure 6 This is a schematic diagram of the guide cylinder and fixture structure of the present invention.

[0013] In the diagram, inner ring-1, flexible channel-2, outer ring-3, cover plate-31, upper slot-311, telescopic rod-32, ball head structure-33, bottom plate-34, lower slot-341, guide cylinder-4, fixture-5, fixing rod-51, sleeve-52, fixing plate-53. Detailed Implementation

[0014] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0015] Example 1: In this embodiment, single-port thoracoscopic surgery is an improvement on traditional multi-port thoracoscopic minimally invasive surgery. However, because both the surgeon and assistant need to cooperate through a single operating port, instrument interference is likely to occur. Existing technology CN206261624U discloses an endoscope incision protective sleeve, which only provides a channel for the endoscope and does not provide channels for the assistant's other hand's instruments or emergency instruments. Furthermore, the channel material is too soft and cannot effectively separate the surgeon's and assistant's instruments. Therefore, this application has the following design: refer to Figure 1-6A modified incision protective sleeve for minimally invasive chest surgery includes an inner ring 1, an outer ring 3, and a flexible channel 2. The lower part of the flexible channel 2 is integrally connected to the inner ring 1, and the upper part is detachably connected to the outer ring 3. Several guide cylinders 4 are movably installed on the outer ring 3. In this embodiment, there are three guide cylinders 4, one guide cylinder 4 is located at the 39 o'clock position of the outer ring, and the other two guide cylinders 4 are spaced apart at the 33 o'clock position of the outer ring; the inner ring 1 and the flexible channel 2 are elastic structures, the outer ring 3 is a rigid structure, and the diameter of the outer ring 3 is larger than the diameter of the inner ring 1. In this embodiment, the flexible channel 2 is integrally connected to the inner ring 1 at the bottom and detachably connected to the outer ring 3 at the top. Three guide tubes 4 are movably installed on the outer ring 3. The three guide tubes 4 can allow the endoscope, assistant instruments, and emergency instruments to enter and exit respectively. The rigid structure design of the guide tubes 4 can effectively separate the instruments. The constraint of the guide tubes 4 can effectively prevent the endoscope, assistant instruments, and emergency instruments from interfering with each other. At the same time, the guide tubes 4 installed on the outer ring 3 can provide support for the endoscope, assistant instruments, and emergency instruments, improve the stability of holding the endoscope, and facilitate the operation of the instruments. The larger diameter outer ring 3 can accommodate more incision diameters.

[0016] Example 2: According to Embodiment 1, in this embodiment, it has been clinically observed that the spacing between the inner ring 1 and the outer ring 3 of the existing incision protective sleeve is fixed. Although the flexible channel 2 is elastic and can adjust the spacing between the inner ring 1 and the outer ring 3 to a certain extent, the adjustment range is limited. If the incision thickness is very thin, the inner ring 1 and the outer ring 3 cannot fit well on the inner and outer sides of the incision. If the incision thickness is very thick, the elasticity of the flexible channel 2 is too great, causing the inner ring 1 and the outer ring 3 to easily over-press the inner and outer sides of the incision. Therefore, in order to solve the above problems, this application has made the following design: refer to Figure 1-6 A modified incision protective sleeve for minimally invasive chest surgery includes an inner ring 1, an outer ring 3, and a flexible channel 2. The lower part of the flexible channel 2 is integrally connected to the inner ring 1, and the upper part is detachably connected to the outer ring 3. Several guide cylinders 4 are movably installed on the outer ring 3. The outer ring 3 includes a base plate 34 and a cover plate 31. The base plate 34 and the cover plate 31 are detachably connected. The upper part of the flexible channel 2 extends from the inside of the base plate 34 and folds over the outside of the base plate 34. The flexible channel 2 is fixed by the closing clamping of the cover plate 31 and the base plate 34. In this embodiment, the outer side of the cover plate 31 is provided with a plurality of upper slots 311, the outer side of the bottom plate 34 is provided with a lower slot 341, and a plurality of locking plates 6 are detachably provided on the outer ring 3; after the bottom plate 34 and the cover plate 31 are closed, the locking plates 6 are locked into the upper slots 311 and the lower slots 341 to restrict the separation of the bottom plate 34 and the cover plate 31. In this embodiment, the design of the cover plate 31 and the base plate 34 of the outer ring 3 can adjust the position of the cover plate 31 and the base plate 34 clamping and fixing the flexible channel 2 according to the incision thickness of different patients, thereby adjusting the distance between the outer ring 3 and the inner ring 1, solving the problem that the existing protective sleeve inner ring 1 and outer ring 3 have too small an adjustment range and cannot meet the needs of specific situations.

[0017] Example 3: According to Examples 1-2, in this example, the diameter of incisions may vary depending on the location, patient, and surgical requirements in clinical practice. To accommodate different incision diameters and facilitate instrument operation, this application incorporates the following design: refer to Figure 1-6 A modified incision protective sleeve for minimally invasive chest surgery includes an inner ring 1, an outer ring 3, and a flexible channel 2. The lower part of the flexible channel 2 is integrally connected to the inner ring 1, and the upper part is detachably connected to the outer ring 3. Several guide cylinders 4 are movably installed on the outer ring 3. The outer ring 3 includes a base plate 34 and a cover plate 31. The base plate 34 and the cover plate 31 are detachably connected. The upper part of the flexible channel 2 extends from the inside of the base plate 34 and folds over the outside of the base plate 34. The flexible channel 2 is fixed by the closing clamping of the cover plate 31 and the base plate 34. A telescopic rod 32 is fixedly installed on the cover plate 31. A ball head structure 33 is provided on the extended end of the telescopic rod 32. The guide cylinders 4 are movably connected to the telescopic rod 32 through the ball head structure 33. In this embodiment, a telescopic rod 32 is fixedly installed on the cover plate 31 of the outer ring 3. The guide cylinder 4 is movably installed on the extended end of the telescopic rod 32 through the ball head structure 33. The distance between the guide cylinder 4 and the center of the outer ring 3 can be adjusted by telescopically extending the telescopic rod 32 according to the usage requirements and the size of the cut. The angle of the guide cylinder 4 can be flexibly adjusted through the ball head structure 33 to meet the control requirements of the instrument.

[0018] Example 4: According to Examples 1-3, in this embodiment, clinically, when operating instruments, factors such as hand slippage can easily cause the instruments to slide down, causing injury to the patient. Therefore, this application has the following design: refer to Figure 1-6 A modified incision protective sleeve for minimally invasive chest surgery includes an inner ring 1, an outer ring 3, and a flexible channel 2. The lower part of the flexible channel 2 is integrally connected to the inner ring 1, and the upper part is detachably connected to the outer ring 3. Several guide cylinders 4 are movably installed on the outer ring 3. In this embodiment, a retainer 5 is provided on the guide cylinder 4. The retainer 5 includes a retaining rod 51, a sleeve 52, and a retaining plate 53. The sleeve 52 is fixedly installed on the guide cylinder 4. The retaining plate 53 is slidably connected to the guide cylinder 4 by a connecting rod. The retaining rod 51 moves through the sleeve 52 and is rotatably connected to the connecting rod. The connecting rod slides radially into the guide cylinder 4 from the inner wall of the guide cylinder 4, and an elastic element is provided on the outer sleeve of the connecting rod. The retaining plate 53 and the guide cylinder 4 are connected by the elastic element. Under the action of the elastic element, the retaining plate 53 tends to slide towards the axis of the guide cylinder 4. The sleeve 52 has a low groove and a high groove. A retaining rod is fixedly provided on the outer wall of the retaining rod 51. By rotating the retaining rod 51, the retaining rod is engaged in the low groove. Under the action of the elastic element, the retaining plate 53 slides forward. By pulling the retaining rod 51 backward, the retaining rod is brought out of the low groove, thereby driving the retaining plate 53 to move backward and compress the elastic element. By rotating the retaining rod 51, the retaining rod slides into the high groove, thereby restricting the forward movement of the retaining plate 53. In this embodiment, a retainer 5 is provided on the guide cylinder 4. By rotating the retaining rod 51 of the retainer 5, the locking rod is locked into the lower groove. Under the action of the elastic element, the retaining plate 53 slides forward and contacts the instrument, which restricts the movement of the instrument in the guide cylinder 4 and prevents the instrument from sliding down and causing injury to the patient. By pulling the retaining rod 51 backward, the locking rod is brought out of the lower groove, thereby driving the retaining plate 53 to move backward and compress the elastic element. By rotating the retaining rod 51, the locking rod is driven to slide into the upper groove, thereby restricting the forward movement of the retaining plate 53, so that the instrument can move in the guide cylinder 4.

[0019] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A modified incision protective sleeve for minimally invasive chest surgery, comprising an inner ring, an outer ring, and a flexible channel, characterized in that, The flexible channel is integrally connected to the inner ring at the bottom and detachably connected to the outer ring at the top; several guide cylinders are movably installed on the outer ring.

2. The modified incision protective sleeve for minimally invasive chest surgery according to claim 1, characterized in that, The outer ring includes a base plate and a cover plate. The base plate and the cover plate are detachably connected. The upper part of the flexible channel extends from the inside of the base plate and folds over to fit onto the outside of the base plate. The flexible channel is fixed by the closing clamping of the cover plate and the base plate.

3. The modified incision protective sleeve for minimally invasive chest surgery according to claim 2, characterized in that, A telescopic rod is fixedly installed on the cover plate, and a ball head structure is provided on the extended end of the telescopic rod. The guide cylinder is movably connected to the telescopic rod through the ball head structure.

4. The modified incision protective sleeve for minimally invasive chest surgery according to claim 2, characterized in that, The cover plate has several upper slots on its outer side, and the bottom plate has a lower slot on its outer side. Several locking plates can be detachably provided on the outer ring. After the bottom plate and the cover plate are closed, the locking plates are engaged with the upper and lower slots to restrict the separation of the bottom plate and the cover plate.

5. A modified incision protective sleeve for minimally invasive chest surgery according to claim 1, characterized in that, A retainer is provided on the guide cylinder. The retainer includes a retaining rod, a sleeve, and a retaining plate. The sleeve is fixedly installed on the guide cylinder. The retaining plate is slidably connected to the guide cylinder via a fixed connecting rod. The retaining rod moves through the sleeve and is rotatably connected to the connecting rod. The connecting rod slides radially into the guide cylinder from the inner wall of the guide cylinder. An elastic element is sleeved on the connecting rod, connecting the retaining plate and the guide cylinder. Under the action of the elastic element, the retaining plate tends to slide towards the axis of the guide cylinder. The sleeve has a low groove and a high groove. A retaining rod is fixedly installed on the outer wall of the retaining rod. By rotating the retaining rod, the retaining rod is engaged in the low groove. Under the action of the elastic element, the retaining plate slides forward. By pulling the retaining rod backward, the retaining rod is brought out of the low groove, thereby causing the retaining plate to move backward and compress the elastic element. By rotating the retaining rod, the retaining rod slides into the high groove, thereby restricting the forward movement of the retaining plate.

6. The modified incision protective sleeve for minimally invasive chest surgery according to claim 1, characterized in that, There are three guide cylinders, one of which is located at the 9 o'clock position on the outer ring, and the other two guide cylinders are spaced apart at the 3 o'clock position on the outer ring.

7. The modified incision protective sleeve for minimally invasive chest surgery according to claim 1, characterized in that, The inner ring and flexible channel are elastic structures, while the outer ring is a rigid structure with a diameter larger than that of the inner ring.

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