CN209770438U - Operation incision protection expansion device - Google Patents
Operation incision protection expansion device Download PDFInfo
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- CN209770438U CN209770438U CN201920152104.2U CN201920152104U CN209770438U CN 209770438 U CN209770438 U CN 209770438U CN 201920152104 U CN201920152104 U CN 201920152104U CN 209770438 U CN209770438 U CN 209770438U
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- ring
- incision
- film tube
- dilation
- protection
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Abstract
the utility model provides a surgical incision protection expansion device relates to medical instrument technical field, has solved expansion device regulation length inconvenience, has easily shifted, the unable exhaust technical problem of body fluid and smog. The operation incision protection expansion device comprises an inner fixing ring, a thin film tube, an expansion ring, an outer fixing ring, an adjusting ring, a telescopic stay bar and an exhaust ring; the side wall of the middle lower part of the film tube is of a sandwich structure to form a closed air cavity, and an inflation hose is communicated with the closed air cavity; the negative pressure suction device is communicated with the exhaust ring; the outer fixing ring is provided with a plurality of liquid discharge holes. The utility model is used for all kinds of notched protection with open, reduce the step of establishing the retractor in addition to reduce the injury to the patient, and expanding unit still has that regulation length is convenient, be difficult for aversion, body fluid and smog can discharge in real time, and characteristics such as tumour cell incision or skin planting are avoided or reduced to better protection skin.
Description
Technical Field
The utility model belongs to the technical field of the medical instrument technique and specifically relates to a protection expansion device of operation incision is related to.
Background
In the existing surgical operation, no matter the surgical transplantation operation, the minimally invasive surgery and the common thoracotomy and laparotomy, some auxiliary instruments, such as an expansion device, are required to be used for expanding the incision tissue and exposing the surgical field, so that the exploration and the operation are convenient.
The applicant has found that the prior art has at least the following technical problems:
The existing automatic draw hook type expansion device has the disadvantages that the draw hook needs to be fixed on a large connector, the occupied space is large, the action of an operator is influenced, and the position of the draw hook is inconvenient to adjust in time during the operation; and infection of the incision is easily caused during the operation. And the accidental movement causes secondary injury to the patient due to point contact by using the hook-pulling type expansion. When the expansion mode of draw hook formula is using, the apparatus of operation in-process, hydrops can pollute human operation incision, outwards flows from human incision department even, pollutes human surface, avoids tumour cell to incision and skin to plant the metastasis, also causes the influence to the operation environment, brings bigger harm for the patient.
In order to overcome the defects of the draw hook, the surgical incision dilation device at the present stage is generally composed of an outer snap ring, an inner snap ring and a channel structure. The outer clamping ring and the inner clamping ring are generally made of elastic materials, the length of the channel needs to be adjusted by turning over the outer clamping ring, the outer clamping ring is clamped outside the notch, so that the adjustment is inconvenient, and after repeated adjustment, taking and attaching are carried out for multiple times, the adhesive strength of the outer clamping ring is easily reduced, and the displacement of the outer clamping ring is easily caused; moreover, the existing incision dilation device only has dilation and protection functions, smoke which is easily formed in an incision by surgical equipment such as a high-frequency electric knife, an ultrasonic knife and the like, or body fluid formed at the incision is not easy to discharge, so that the incision infection is caused, and inconvenience is brought to smooth operation.
SUMMERY OF THE UTILITY MODEL
an object of the utility model is to provide an operation incision protection expansion device to solve the expansion device that exists among the prior art and adjust length inconvenient, easily shift, the unable discharged technical problem of body fluid and smog.
in order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a pair of operation incision protection expansion device, include
-an elastic internal fixation ring for extending inside the incision by deformation and reducing to form an internal support of the incision;
-a film tube for forming a working channel at the incision site for protecting the incision; the thin film tube is made of a tough transparent material; the insertion end of the film tube is umbrella-shaped; the thin film tube can be divided into three series specifications of large, medium and small according to the length;
An expansion ring sleeved outside the thin film tube and placed outside the incision for expanding the incision;
The outer fixing ring is sleeved outside the thin film tube, is positioned above the expansion ring and is stuck on the skin outside the incision to position the expansion ring; a plurality of connecting pieces are arranged on the periphery of the outer fixing ring and used for fixing the outer fixing ring; the connecting piece is a connecting ring; the expansion ring is attached to the skin outside the incision; the outer fixing ring is used for fixing the expansion ring on the skin in an attaching way; the area of the outer fixed ring is larger than that of the expansion ring;
-an adjusting ring rolled on top of the membrane tube for adjusting the height of the working channel;
-a telescopic strut arranged between the outer fixed ring and the adjusting ring for supporting positioning of the adjusting ring;
the side wall of the middle lower part of the thin film tube is of a sandwich structure to form a closed air cavity, and the closed air cavity extends into the top of the adjusting ring and is communicated with an inflating hose;
the exhaust ring is arranged in the operation channel of the film pipe and is connected with the adjusting ring in a clamping manner and used for exhausting air, and an exhaust hole is formed in the exhaust ring;
-a negative pressure suction device in communication with the vent hole;
and a plurality of drainage holes provided in the outer fixing ring, the drainage holes being located at the head of the outer fixing ring corresponding to the edge of the expansion ring.
The inner fixing ring, the expansion ring, the outer fixing ring, the adjusting ring and/or the exhaust ring are/is one or more of round, square and oval. The adjustment ring and the vent ring are made of a polyethylene material.
As a further improvement of the present invention, the diameter of the outer fixing ring is larger than the diameter of the expansion ring, the diameter of the inner fixing ring is larger than the diameter of the outer fixing ring, and the diameter of the adjusting ring is between the diameter of the expansion ring and the diameter of the outer fixing ring.
As a further improvement of the utility model, the outer fixed ring faces the expansion ring one side is provided with the antibacterial adhesive layer made of the sticky layer of pasting that has the iodophor.
As a further improvement, the opening part at the top of the adjusting ring is provided with a plugging piece which can open and close the opening.
As a further improvement, the exhaust ring is a hollow ring structure, the exhaust hole is arranged on the bottom plane and the inner side wall of the exhaust ring, just the exhaust hole is communicated with the inner cavity of the exhaust ring, and the negative pressure suction device is communicated with the inner cavity of the exhaust ring through a connecting pipe.
as a further improvement of the utility model, the outer fixed ring includes interior enhancement layer and cladding and is in the outer cladding layer in the interior enhancement layer outside, interior enhancement layer adopts hard material to make, outer cladding layer adopts silica gel material to make.
As a further improvement of the utility model, the section shape of the adjusting ring is C-shaped or concave-shaped with a pit, and the exhaust ring is clamped in the pit of the adjusting ring.
As a further improvement, the inner fixing ring and the expansion ring are made of silica gel materials, and the film tube is coiled to form seamless fixed connection outside the inner fixing ring. The size of the inner fixing ring and the expanding ring can be adjusted, and the inner fixing ring and the expanding ring are used for incisions with different sizes.
As a further improvement of the utility model, the thickness of the outer fixing ring is larger than that of the expansion ring.
As a further improvement of the utility model, the inflation hose is arranged along the operation channel of the film pipe and communicated with the airtight air cavity.
as a further improvement of the utility model, the exhaust ring is provided with an anti-dropping part which is arranged along the radial direction of the exhaust ring and is used for preventing the exhaust ring from dropping to the incision.
As a further improvement of the present invention, the radial dimensions of the thin film tubes are the same, or the radial dimensions of the thin film tubes are gradually increased from top to bottom; or the radial dimension of the thin film tube is gradually reduced from the two ends to the middle part.
Compared with the prior art, the utility model following beneficial effect has:
The utility model discloses operation incision protection expansion device adopts interior fixed ring, expansion ring, outer fixed ring and regulation ring structure, utilizes elasticity interior fixed ring to form the support in the incision, utilizes the expansion ring to form the support on the incision, utilizes the outer fixed ring to form the fixed of expansion ring, utilizes the adjustment ring to form the adjustment of film pipe operation passageway length; the film tube is opened by utilizing the gas in the sealed gas cavity inside the film tube, so that the smoothness of a channel is ensured; forming an operation channel by using the thin film tube to form protection and retraction of the incision; the length of the operation channel of the thin film tube can be conveniently adjusted by turning over the adjusting ring rolled at the top of the thin film tube, so that the extending length of the thin film tube extending into the notch can be conveniently and randomly controlled, and the adjusted adjusting ring is supported and positioned by using the telescopic support; the inner reinforcing layer made of the hard material inside is utilized, so that the protection and expansion of the cut are ensured, and a negative pressure working area is formed in the operation channel by utilizing the exhaust ring, so that the smoke in the cut is conveniently exhausted; the liquid discharge hole on the outer fixing ring is used for conveniently discharging body fluid or sweat formed near the incision; the sealing and plugging piece can be used for sealing or opening the operation channel, so that the continuation of the air cavity is ensured.
The utility model provides an operation incision protection expanding unit is applicable to various notched protection and opens, reduces the step of establishing the retractor in addition to reduce the injury to the patient, and expanding unit still have adjust length convenient, be difficult for aversion, body fluid and smog can discharge in real time, better protection skin avoids or reduces characteristics such as tumour cell incision or skin planting.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic perspective view of the surgical incision protection and dilation device of the present invention;
FIG. 2 is a partial cross-sectional view of the thin film tube of the surgical incision protection and dilation device of the present invention;
FIG. 3 is a partial cross-sectional view of the adjustment ring and the air venting ring of the device for protecting and expanding an incision in surgery of the present invention;
FIG. 4 is a half-sectional view of the adjusting ring of the surgical incision protection and dilation apparatus of the present invention;
FIG. 5 is a cross-sectional view of an adjustment ring of the surgical incision protection and dilation apparatus of the present invention;
FIG. 6 is a schematic perspective view of the surgical incision protection and dilation apparatus of the present invention with the bottom of the air venting ring facing upward;
Fig. 7 is a cross-sectional view of the outer fixing ring of the surgical incision protection and dilation apparatus of the present invention.
in figure 1, an internal fixation ring; 2. a thin film tube; 21. an operation channel; 22. a closed air cavity; 23. an inflation hose; 3. an expansion ring; 4. an outer fixing ring; 41. a connecting member; 42. a drain hole; 43. an inner reinforcing layer; 44. an outer cladding layer; 45. an antimicrobial adhesive layer; 5. an adjusting ring; 51. a blocking member; 6. a telescopic stay bar; 61. a fastening part; 7. an exhaust ring; 71. an exhaust hole; 72. a drop-off prevention member; 8. an inflation device; 9. a negative pressure suction device; 91. and (4) connecting the pipes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the surgical incision protection and dilation device provided by the present invention comprises an inner fixing ring 1, a thin film tube 2, a dilation ring 3, an outer fixing ring 4, an adjusting ring 5, a telescopic stay bar 6 and an exhaust ring 7; wherein:
The inner fixed ring 1 and the adjusting ring 5 are respectively arranged at two ends of the thin film tube 2, the inner fixed ring 1 and the thin film tube 2 are connected together in a heat seal welding mode to form a seamless fixed connection, after the adjusting ring 5 and the end part of the thin film tube 2 are welded together in a heat seal mode, the adjusting ring 5 is turned over so as to roll the thin film tube 2 on the outer wall of the thin film tube, and the height of the operation channel 21 of the thin film tube 2 is adjusted by turning over the adjusting; the inner fixing ring 1 is made of elastic materials, such as silica gel materials, and the inner fixing ring 1 is used for extending into the incision through deformation and reducing to form an incision inner support; by arranging the adjusting ring 5 of a turning type, the film tube 2 rolls on the outer surface of the adjusting ring 5; the film tube 2 rolled on the outer surface of the adjusting ring 5 is driven to release by clockwise turning or upward turning so as to increase the length of the operation channel 21 of the film tube 2; the membrane tube 2 is rolled on the outer surface of the adjusting ring 5 by turning counterclockwise or turning down to reduce the length of the working channel 21 of the membrane tube 2; has the characteristic of convenient length adjustment.
The film tube 2 is made of a transparent film material with toughness, and the film tube 2 is used for forming a working channel 21 at the incision position to protect the incision; the radial sizes of the thin film tubes 2 are the same, or the radial sizes of the thin film tubes 2 are gradually increased from top to bottom; or, the radial size of the thin film tube 2 is gradually reduced from the two ends to the middle part; different structures can be selected according to the situation so as to be convenient to use; it should be noted that, in the present invention, the radial dimensions of the thin film tubes 2 are the same, and the insertion ends of the thin film tubes 2 are umbrella-shaped; the thin film tube 2 can be divided into three series specifications of large, medium and small according to the length.
The expansion ring 3 is sleeved outside the thin film tube 2 and placed outside the incision for expanding the incision; the expansion ring 3 is made of silica gel material; the hardness of the expansion ring 3 is less than that of the inner fixing ring 1; in use, the ring 3 is attached to the skin outside the incision.
the outer fixing ring 4 is sleeved outside the thin film tube 2 and is positioned above the expansion ring 3, the area of the outer fixing ring 4 is larger than that of the expansion ring 3, and the outer fixing ring 4 is stuck on the skin outside the incision to position the expansion ring 3 when in use; in order to facilitate the fixing of the outer fixing ring 4, a plurality of connecting pieces 41 are arranged on the periphery of the outer fixing ring 4; it should be noted that, in the present invention, the connecting member 41 is a connecting ring; the connecting rings are uniformly arranged along the peripheral side of the outer fixing ring 4, and the number of the connecting rings is four; the outer fixing ring 4 is used to affix the stent ring 3 to the skin.
The telescopic stay bar 6 is arranged between the outer fixed ring 4 and the adjusting ring 5 and used for supporting and positioning the adjusting ring 5, and the top end of the telescopic stay bar 6 is provided with a concave arc-shaped clamping part 61 for more stable support; the engaging portion 61 is U-shaped. Scalable vaulting pole 6 is multisection loop bar structure, and last one-level loop bar cover is established in next one-level loop bar, and in order to prevent scalable vaulting pole 6 at the inside one-level loop bar internal withdrawal of last in the support process the utility model discloses the tensile force or the pressure that scalable vaulting pole 6 adopted needs when stretching out or retracting is greater than the pressure that adjustable ring 5 produced scalable vaulting pole 6.
As shown in fig. 2, in order to ensure the smoothness and smoothness of the operation passage 21, the side wall of the middle and lower portion of the membrane tube 2 is of a sandwich structure to form a closed air chamber 22, and an inflation hose 23 connected to the inflation device 8 is extended from the top opening of the adjustment ring 5 to be arranged along the operation passage 21 and finally communicated with the closed air chamber 22.
As shown in fig. 6, the exhaust ring 7 is disposed in the working channel 21 of the membrane tube 2 and is connected with the adjusting ring 5 in a clamping manner for exhausting; the exhaust ring 7 is provided with an exhaust hole 71; the negative pressure suction device 9 communicates with the air discharge hole 71, thereby forming a negative pressure in the working channel 21. The negative pressure suction device 9 and the air charging device 8 are realized by products in the prior art.
in order to facilitate the discharge of body fluid on the surface of the skin or the discharge of body fluid gushing from the incision, the outer fixing ring 4 is provided with a plurality of drainage holes 42, and all the drainage holes 42 are positioned at the head of the outer fixing ring 4 corresponding to the edge of the expansion ring 3.
as an alternative embodiment, the inner fixing ring 1, the expansion ring 3, the outer fixing ring 4, the adjusting ring 5 and/or the vent ring 7 are one or more of circular, square, oval, wherein the adjusting ring 5 and the vent ring 7 are made of polyethylene material.
The utility model discloses operation incision protection expansion device adopts interior fixed ring 1, expansion ring 3, outer fixed ring 4 and adjustable ring 5 structure, utilizes elasticity interior fixed ring 1 to form the support in the incision, utilizes expansion ring 3 to form the support on the incision, utilizes outer fixed ring 4 to form the fixed of expansion ring 3, utilizes adjustable ring 5 to form the adjustment of film pipe 2 operation channel 21 length; the opening of the thin film tube 2 is realized by introducing gas into the airtight air cavity 22 in the thin film tube 2, and the smoothness of the channel is ensured; forming a working channel 21 by using the thin film tube 2 to protect and retract the incision; the length of the operation channel 21 of the thin film tube 2 is conveniently adjusted by turning over the adjusting ring 5 which is coiled at the top of the thin film tube 2, so that the extending length of the thin film tube 2 extending into the notch is conveniently and randomly controlled, and the adjustable ring 5 which is adjusted is supported and positioned by the telescopic support rod 6; an inner reinforcing layer 43 made of an inner hard material is used to ensure the protection and expansion of the incision, and an outer coating layer 44 is used to protect the outer fixing ring 4 from injuring the skin and the incision; a negative pressure working area is formed in the operation channel 21 by using the exhaust ring 7, so that smoke in the cut can be conveniently exhausted; the liquid discharge hole 42 on the outer fixing ring 4 is used for conveniently discharging body fluid or sweat formed near the incision; the working channel 21 can be closed or opened by the block piece 51, thereby ensuring the continuation of the air chamber.
as an alternative embodiment, the diameter of the outer fixing ring 4 is larger than that of the expansion ring 3, the diameter of the inner fixing ring 1 is larger than that of the outer fixing ring 4, and the diameter of the adjusting ring 5 is between that of the expansion ring 3 and that of the outer fixing ring 4.
as an alternative embodiment, in order to improve the fixing effect of the outer fixing ring 4, the outer fixing ring 4 is provided with an antimicrobial adhesive layer 45 made of an adhesive layer containing iodophor on the side facing the stent ring 3.
As an alternative embodiment, in order to keep the air cavity in the incision continuous, the opening at the top of the adjusting ring 5 is provided with a plugging piece 51 capable of opening and closing the opening. The outer shape of the blocking piece 51 is a structure matching the inner shape of the adjusting ring 5, thereby improving the sealing effect. The blocking piece 51 is made of a silicone material.
In an alternative embodiment, the exhaust ring 7 is a hollow ring structure, the exhaust holes 71 are disposed on the bottom plane and the inner side wall of the exhaust ring 7, the exhaust holes 71 communicate with the inner cavity of the exhaust ring 7, and the negative pressure suction device 9 communicates with the inner cavity of the exhaust ring 7 through the connecting pipe 91. The connection pipe 91 is screwed to the exhaust ring 7.
As shown in fig. 7, as an alternative embodiment, the outer fixing ring 4 includes an inner reinforcing layer 43 and an outer coating layer 44 coated outside the inner reinforcing layer 43, the inner reinforcing layer 43 is made of a hard material, and the outer coating layer 44 is made of a silicone material.
As an alternative embodiment, as shown in fig. 3-5, the adjusting ring 5 has a C-shaped or concave cross-section with a recess, and the venting ring 7 is snapped into the recess of the adjusting ring 5.
As an alternative embodiment, the inner fixing ring 1 and the expanding ring 3 are both made of silicone material. The size of the inner fixing ring 1 and the expanding ring 3 can be adjusted, and the inner fixing ring and the expanding ring are used for incisions with different sizes.
As an alternative embodiment, the outer fixing ring 4 has a thickness greater than the thickness of the expansion ring 3.
As shown in fig. 3, as an alternative embodiment, the exhaust ring 7 is provided with a retaining member 72 arranged along a radial direction thereof for preventing it from falling off toward the incision. The anti-slip part 72 is of a bent arc structure, and the tail end of the anti-slip part 72 is positioned outside the adjusting ring 5.
The utility model provides an operation incision protection expansion device is applicable to various notched protection and opens, reduces the step of establishing the retractor in addition to reduce the injury to the patient, and expansion device still have adjust length convenient, be difficult for aversion, body fluid and smog can real-time exhaust characteristics
In the implementation, the operation incision protection and expansion device is provided, a soft elastic expansion ring 3, an elastic inner fixing ring 1 with relatively hard hardness, an outer fixing ring 4 with hardness between the inner fixing ring 1 and the expansion ring 3, a hard adjusting ring 5 and a hard exhaust ring 7 are adopted, and a thin film tube 2 is made of a soft thin film. Wherein the hard adjusting ring 5 is easy to turn over, the elastic inner fixing ring 1 has enough supporting force and elasticity, meanwhile, a certain deformation can be generated under the action of transverse force to facilitate the placement of an incision, the hard outer fixing ring 4 can not deform, the supporting force is sufficient, after the inner fixing ring 1 is placed in an operation incision, the depth of the inserted thin film tube 2 is adjusted through the expansion ring 3, the height of an operation channel 21 is adjusted through the turning of the adjusting ring 5, the position of the expansion ring 3 is fixed through the outer fixing ring 4, thus not only the positioning problem of the expansion ring 3 is solved, but also the problem of insufficient supporting force of the expansion ring 3 is solved, the exhaust ring 7 is clamped into a pit of the adjusting ring 5, not only the supporting effect is achieved, but also the negative pressure exhaust can be carried out, the adjusting ring 5 is clamped into the concave arc-shaped clamping part 61 at the top end of the telescopic supporting rod 6, thus, the product is more convenient and has good use effect in the use process, and the quality of the operation is ensured.
the utility model discloses an in, the upset of should being convenient for of adjustable ring 5 shape, the adjustable ring 5 outside should be sealed for the film heat seal with film pipe 2, and the pit of adjustable ring 5 inboard plays the supporting role with 7 outside looks blocks of exhaust ring.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A surgical incision protection expansion device is characterized by comprising
-an elastic internal fixation ring for extending inside the incision by deformation and reducing to form an internal support of the incision;
-a film tube for forming a working channel at the incision site for protecting the incision;
An expansion ring sleeved outside the thin film tube and placed outside the incision for expanding the incision;
The outer fixing ring is sleeved outside the thin film tube, is positioned above the expansion ring and is stuck on the skin outside the incision to position the expansion ring;
-an adjusting ring rolled on top of the membrane tube for adjusting the height of the working channel;
-a telescopic strut arranged between the outer fixed ring and the adjusting ring for supporting positioning of the adjusting ring;
the side wall of the middle lower part of the thin film tube is of a sandwich structure to form a closed air cavity, and the closed air cavity extends into the top of the adjusting ring and is communicated with an inflating hose;
the exhaust ring is arranged in the operation channel of the film pipe and is connected with the adjusting ring in a clamping manner and used for exhausting air, and an exhaust hole is formed in the exhaust ring;
-a negative pressure suction device in communication with the vent hole;
-and a plurality of drainage holes provided on the outer fixed ring.
2. The surgical incision protection dilation device of claim 1, wherein the outer fixation ring diameter is larger than the dilation ring diameter, the inner fixation ring diameter is larger than the outer fixation ring diameter, and the adjustment ring diameter is between the dilation ring diameter and the outer fixation ring diameter.
3. A surgical incision protection and dilation device according to claim 2, wherein the outer fixing ring is provided with an antibacterial adhesive layer made of an adhesive layer containing iodophor on a side facing the dilation ring.
4. a surgical incision protection and dilation device according to claim 1, 2 or 3, wherein a blocking piece capable of opening and closing the opening is arranged at the opening at the top of the adjusting ring.
5. The incision protection and dilation device according to claim 1, wherein the air venting ring is a hollow ring structure, the air venting holes are disposed on the bottom plane and the inner side wall of the air venting ring, the air venting holes are communicated with the inner cavity of the air venting ring, and the negative pressure suction device is communicated with the inner cavity of the air venting ring through a connecting pipe.
6. The surgical incision protection and dilation device according to claim 1, wherein the outer fixing ring comprises an inner reinforcing layer and an outer covering layer covering the outer side of the inner reinforcing layer, the inner reinforcing layer is made of hard material, and the outer covering layer is made of silica gel material.
7. The protected surgical incision dilation device of claim 1, wherein the adjustment ring is shaped in cross-section as a C-shape or a concave shape with a depression, and the venting ring is snapped into the depression of the adjustment ring.
8. The surgical incision protection and dilation device according to claim 1, wherein the inner fixing ring and the dilation ring are made of a silicone material, and the film tube is rolled outside the inner fixing ring to form a seamless connection.
9. the surgical incision protection dilation device of claim 6, wherein the outer fixation ring thickness is greater than the dilation ring thickness.
10. the surgical incision protection dilation device of claim 1, wherein the inflation hose is disposed along the working channel of the thin film tube and is in communication with the sealing air chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920152104.2U CN209770438U (en) | 2019-01-29 | 2019-01-29 | Operation incision protection expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920152104.2U CN209770438U (en) | 2019-01-29 | 2019-01-29 | Operation incision protection expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209770438U true CN209770438U (en) | 2019-12-13 |
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ID=68794006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920152104.2U Expired - Fee Related CN209770438U (en) | 2019-01-29 | 2019-01-29 | Operation incision protection expansion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209770438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113197603A (en) * | 2021-05-02 | 2021-08-03 | 郑州大学第一附属医院 | Thoracoscope surgery retractor |
-
2019
- 2019-01-29 CN CN201920152104.2U patent/CN209770438U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113197603A (en) * | 2021-05-02 | 2021-08-03 | 郑州大学第一附属医院 | Thoracoscope surgery retractor |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 Termination date: 20220129 |
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| CF01 | Termination of patent right due to non-payment of annual fee |