CN107320139B - Single-hole multichannel rotatable operation device of laparoscope - Google Patents
Single-hole multichannel rotatable operation device of laparoscope Download PDFInfo
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- CN107320139B CN107320139B CN201710662512.8A CN201710662512A CN107320139B CN 107320139 B CN107320139 B CN 107320139B CN 201710662512 A CN201710662512 A CN 201710662512A CN 107320139 B CN107320139 B CN 107320139B
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- expansion cylinder
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- inner cover
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/0034—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means adapted to be inserted through a working channel of an endoscope
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Abstract
The invention discloses a laparoscope single-hole multi-channel rotatable operation device, which comprises an expansion cylinder, wherein an operation channel is formed in the middle of the expansion cylinder, the front part and the rear part of the expansion cylinder are large, the outer circle of the expansion cylinder is in arc transition from front to back, the front end of the outer circle of the expansion cylinder is provided with a clamping support lug for preventing the expansion cylinder from withdrawing, and the upper end of the outer circle of the expansion cylinder is provided with a fixing support lug for fixing the expansion cylinder on a patient by suturing with the skin of the patient; the top of the expansion cylinder is provided with an inner cover capable of rotating around the central shaft of the expansion cylinder in a reciprocating manner, and the inner cover is fixedly provided with a plurality of poking bayonets communicated with the operation channel; the side wall of the expansion cylinder is provided with an air inlet hole and an air outlet hole; the operation tool is beneficial to rotating to operate the affected part from different angles, and meanwhile, the operation is simple and convenient, the secondary wounds to the patient are avoided, and the rapid rehabilitation of the patient is ensured; meanwhile, the sealing assembly is beneficial to improving the trafficability and the sealing performance of the bayonet and improving the operation efficiency.
Description
Technical Field
The invention relates to the field of medical equipment, in particular to a single-hole multi-channel rotatable operation device of a laparoscope.
Background
In the case of performing an open incision operation on a patient, since the open incision site is large and bleeding is large during the operation, recovery of the patient after the operation is slow, and a large scar is left, which also brings inconvenience to the life of the patient. To overcome the drawbacks of such open incision surgery, new surgical methods such as minimally invasive surgery and scar-free surgery are generally employed; the scar-free operation is characterized in that an operation tool is transferred to an operation part in a patient through a hole naturally existing in a human body, the body of the patient is prevented from being cut, compared with the bleeding amount of an open operation, the recovery time of the patient after operation is shortened, external scars are small, in the prior art, in the operation of the operation in an abdominal cavity through an anus opening, a single-hole operation channel is formed through the expansion of the anus, a plurality of channels are arranged in the single-hole operation channel for inserting all the operation tools into the anus of the patient and operating the operation part in the body of the patient through the operation channel, and the existing operation device for forming the single-hole operation channel is generally fixed by external hands or fixed by the fixing device, so that the fixing is unstable or the operation space of a doctor is limited, the operation is inconvenient, the operation device is generally rotated integrally when all the channels are required to rotate, the fixing precision of the operation device is reduced, the operation is difficult, the secondary injury of the patient is easy to cause, and the patient is not convenient to quickly recover.
Therefore, in order to solve the above problems, a rotatable operation device with single hole and multiple paths for a laparoscope is needed, the operation device can be conveniently and stably fixed, the fixing precision of the fixing device is high, the operation space is large, the operation tool is facilitated to rotate to operate an affected part from different angles, the operation is simple and convenient, secondary wounds to patients are avoided, and the rapid recovery of the patients is ensured.
Disclosure of Invention
In view of the above, the invention aims to overcome the defects in the prior art, provide a single-hole multi-channel rotatable operation device of a laparoscope, which can facilitate the fixation and stability of the operation device, ensure the high fixation precision of the fixation device, ensure the large operation space, facilitate the rotation of an operation tool to operate on an affected part from different angles, and simultaneously has the advantages of simple and convenient operation, avoiding secondary wounds on patients and ensuring the rapid rehabilitation of the patients.
The invention discloses a laparoscope single-hole multichannel rotatable operation device, which comprises an expansion cylinder, wherein an operation channel is formed in the middle of the expansion cylinder, the front part of the expansion cylinder is small, the rear part of the expansion cylinder is large, the outer circle of the expansion cylinder is in arc transition from front to rear, the front end of the outer circle of the expansion cylinder is provided with a clamping support lug for preventing the expansion cylinder from withdrawing, and the upper end of the outer circle of the expansion cylinder is provided with a fixing support lug for fixing the expansion cylinder on a patient by suturing with the skin of the patient; the top of the expansion cylinder is provided with an inner cover capable of rotating around the central shaft of the expansion cylinder in a reciprocating manner, and the inner cover is fixedly provided with a plurality of poking bayonets communicated with the operation channel; the side wall of the expansion cylinder is provided with an air inlet hole and an air outlet hole.
Further, the inner cover and the expansion cylinder are in a limited mode to be in rotary fit.
Further, the inner cover locking device also comprises a positioning outer ring which is fixed at the top end of the expansion cylinder and used for axially fixing the inner cover and a lock catch which is used for being matched with the positioning outer ring in a clamping way to realize that the inner cover is fixed on the outer ring, wherein a plurality of positioning grooves which are distributed along the circumferential direction are formed in the inner circle of the positioning outer ring, and the lock catch and the inner cover are connected in a single-degree-of-freedom radial sliding mode, and the lock catch can be inserted into the positioning grooves after sliding along the radial direction to realize the inner cover locking.
Further, an axial fixing mechanism for fixing the lock catch on the inner cover along the axial direction and a radial sliding positioning mechanism for positioning the lock catch along the radial direction are arranged between the lock catch and the inner cover.
Further, the lock catch is a rectangular sliding plate, a radial sliding groove for limiting the rectangular sliding plate along the circumferential direction is formed on the outer side of the upper end surface of the inner cover, the rectangular sliding plate is arranged in the radial sliding groove, and a clamping head capable of being embedded into the positioning groove in a conformal manner is arranged on the radially outer end surface of the rectangular sliding plate; the axial fixing mechanism comprises an axial bayonet arranged at the bottom of the radial chute, an axial clamping tongue is fixedly arranged on the lower end surface of the rectangular sliding plate, the axial clamping tongue is axially clamped at the axial bayonet, and the axial clamping tongue is in sliding fit with the axial bayonet along the radial direction; the radial sliding positioning mechanism comprises arc positioning grooves arranged on two side surfaces of the rectangular sliding plate in the circumferential direction, wherein the arc positioning grooves are arranged on one side of the rectangular sliding plate in the radial direction in parallel, and arc protrusions matched with the arc positioning grooves are arranged on the inner side walls of the radial sliding grooves.
Further, the poking port is provided with a sealing component for sealing between the instrument extending into the expanding cylinder and the inner cover, and the sealing component is in an inverted conical shape, and the bottom of the sealing component forms a sealing insertion port with variable size.
Further, the seal assembly at least comprises a first rubber seal cover and a second rubber seal cover which are all in reverse conical shapes from top to bottom in sequence, the thickness of the first rubber seal cover is larger than that of the second rubber seal cover, and the size of a seal insertion opening at the bottom of the first rubber seal cover is larger than that of a seal insertion opening at the bottom of the second rubber seal cover.
Further, the first rubber sealing cover is formed by splicing four quarter-inverted cone sheets, and a gap is arranged between every two adjacent quarter-inverted cone sheets; the second rubber sealing covers are four and mutually overlapped, and each second rubber sealing cover is respectively provided with a quarter-inverted conical notch, and the four notches are mutually staggered along the axial direction.
Further, seal assembly still includes rubber packing ring, sealing disk, goes up positioning disk, lower positioning disk and fixed lid from top to bottom in proper order, all be provided with the mouth in the middle of sealing disk, go up positioning disk, lower positioning disk and the fixed lid, go up positioning disk and lower positioning disk' S up end and set up a plurality of last reference columns and lower reference column that distribute along circumference respectively, the radial inboard of sealing disk is provided with the last locating hole that corresponds with last reference column, first rubber seal cover upper end and second rubber seal cover upper end all set up the turn-ups, the turn-ups is provided with the lower locating hole that corresponds with lower reference column, the fixed lid upwards is fixed in the inner cup lower terminal surface and supports down the positioning disk and make down the reference column support and press in last positioning disk lower terminal surface after passing down the locating hole from bottom to top, and the last reference column supports to press in the lower terminal surface of rubber packing ring after passing down to upwards passing down the locating hole, the rubber packing ring upwards is provided with the section that forms sealed section between inner cup and fixed lid is the S-shaped.
Further, the positioning outer ring is detachably fixed at the upper end of the expansion cylinder through the spring buckle assembly.
The beneficial effects of the invention are as follows: according to the single-hole multi-channel rotatable operation device for the laparoscope, disclosed by the invention, the operation device is convenient to fix and stabilize through the expansion cylinder with the fixed lugs, the fixing precision of the fixing device is ensured to be high, the operation space is ensured to be large, the inner cover can rotate, the operation tool can rotate to operate an affected part from different angles, meanwhile, the operation is simple and convenient, secondary wounds to a patient are avoided, and the rapid rehabilitation of the patient is ensured; meanwhile, the sealing assembly is beneficial to improving the trafficability and the sealing performance of the bayonet, avoiding the interference of generated smoke in the field of view in the operation channel during laser cutting, and the inner cover is stable in rotation and positioning, convenient to operate and beneficial to improving the operation efficiency of the operation.
Drawings
The invention is further described below with reference to the accompanying drawings and examples:
FIG. 1 is an axial exploded view of the present invention;
FIG. 2 is a schematic view of a seal assembly of the present invention partially assembled;
FIG. 3 is an axial exploded view of the seal assembly of the present invention;
FIG. 4 is a schematic structural view of a second rubber boot seal of the present invention;
FIG. 5 is a top view of the present invention;
FIG. 6 is a schematic view of a latch according to the present invention;
fig. 7 is a schematic view showing a structure of the detachable inner cap according to the present invention.
Detailed Description
Fig. 1 is an axial exploded view of the present invention, fig. 2 is a schematic view of a partially assembled structure of a seal assembly of the present invention, fig. 3 is an axial exploded view of a seal assembly of the present invention, fig. 4 is a schematic view of a second rubber seal cap of the present invention, fig. 5 is a plan view of the present invention, fig. 6 is a schematic view of a latch of the present invention, fig. 7 is a schematic view of a detachable inner cap of the present invention, and a laparoscopic single-port multiple-pass rotatable operation device of the present embodiment is shown; the surgical operation device comprises an expansion cylinder 1 with a surgical operation channel formed in the middle, wherein the front part of the expansion cylinder 1 is small, the rear part of the expansion cylinder is large, the outer circle of the expansion cylinder is in arc transition from front to rear, the front end of the outer circle of the expansion cylinder 1 is provided with two clamping lugs 11 for preventing the expansion cylinder 1 from withdrawing, the two clamping lugs 11 are symmetrically arranged along the radial direction and are matched with the inside of an anus to further fix the expansion cylinder 1, the stability is improved, and the upper end of the outer circle of the expansion cylinder 1 is provided with a fixing lug 12 for fixing the expansion cylinder 1 on a patient by suturing with the skin of the patient; the top of the expansion cylinder 1 is provided with an inner cover 2 capable of rotating back and forth around the central axis of the expansion cylinder 1, and the inner cover 2 is fixedly provided with a plurality of poking bayonets 21 communicated with a surgical channel; the side wall of the expansion cylinder 1 is provided with an air inlet hole 13 and an air outlet hole 14; during operation, the fixing lugs 12 are arranged into two symmetrical fixing lugs along the radial direction and are sutured on the skin of a patient, so that the fixing effect is achieved, and slipping and self-rotation are prevented; the air inlet and the air outlet are respectively externally connected with a pipeline to form air convection, so that the visual field in the operation channel is not disturbed by generated smoke during laser cutting; then, one-to-one separating forceps, a scalpel, an endoscope and the like for operation pass through the poking bayonets 21 and enter a space supported by the operation channel for operation; when other angles are needed, the inner cover 2 can be rotated to drive each surgical tool to rotate, and can be reciprocally rotated, so that the surgical efficiency is improved, the expansion cylinder 1 is favorable for fixing and stabilizing the operating device, the fixing precision of the fixing device is high, the surgical operation space is ensured to be large, the surgical tools are favorable for rotating to operate the affected part from different angles, the operation is simple and convenient, secondary wounds to patients are avoided, and the rapid recovery of the patients is ensured.
In the embodiment, the inner cover 2 and the expansion cylinder 1 are in rotary fit in a limited manner; the mode of circumferential rotation back limit between the inner cover 2 and the expansion cylinder 1 can be all limit structures which can achieve the aim of the invention in the prior art, the inner cover 2 is convenient to fix and stabilize after rotation, the operation of each surgical tool is convenient, and the angle adjusting precision is high.
In this embodiment, the inner cover locking device further comprises a positioning outer ring 3 fixed at the top end of the expansion cylinder 1 and used for axially fixing the inner cover 2, and a lock catch 4 used for being in clamping fit with the positioning outer ring 3 to fix the inner cover to the outer ring, wherein a plurality of positioning grooves 31 distributed along the circumferential direction are formed in the inner circle of the positioning outer ring 3, the lock catch 4 and the inner cover 2 are connected in a single-degree-of-freedom radial sliding manner, and the lock catch 4 can be inserted into the positioning grooves 31 after sliding along the radial direction to lock the inner cover 2; the upper port edge of the positioning outer ring 3 is internally provided with a limit flanging 32, the positioning groove 31 is radially arranged on the limit flanging 32, and the inner cover 2 is locked and fixed by sliding the lock catch 4 radially outwards and embedding the positioning groove, so that the operation is simple and convenient, and the improvement of the operation efficiency is facilitated.
In this embodiment, an axial fixing mechanism for fixing the lock catch 4 to the inner cap 2 along the axial direction and a radial sliding positioning mechanism for positioning the lock catch 4 along the radial direction are provided between the lock catch 4 and the inner cap 2; the lock catch 4 is a rectangular slide plate, a radial slide groove 22 for limiting the rectangular slide plate along the circumferential direction is formed on the outer side of the upper end surface of the inner cover, the rectangular slide plate is arranged in the radial slide groove 22, and a clamping head 41 capable of being adaptively embedded into a positioning groove is arranged on the radial outer end surface of the rectangular slide plate; the axial fixing mechanism comprises an axial bayonet arranged at the bottom of the radial chute 22, an axial clamping tongue 42 is fixedly arranged on the lower end surface of the rectangular sliding plate, the axial clamping tongue 42 is axially clamped at the axial bayonet, and the axial clamping tongue 42 is in sliding fit with the axial bayonet along the radial direction; the axial clamping tongues 42 are two elastic L-shaped clamping tongues which are oppositely arranged, the bottom surfaces of the two L-shaped clamping tongues are respectively provided with a guide inclined surface for being installed on an axial bayonet, the axial buckle is an L-shaped clamping groove which is formed by downwards sinking the bottom of the radial sliding groove 22 and respectively sinking along the opposite circumferential directions and is matched with the L-shaped clamping tongues in a shape matching manner, and when the L-shaped clamping tongues are installed in the axial direction, the lower ends of the L-shaped clamping tongues are inclined under the action of the guide inclined surfaces 421 and then are embedded into the L-shaped clamping grooves to realize axial clamping, so that the axial clamping is convenient to install and stable in fixing; the radial sliding positioning mechanism comprises arc positioning grooves 43 arranged on two circumferential side surfaces of the rectangular sliding plate, wherein the arc positioning grooves 43 are arranged on one side of the rectangular sliding plate and are arranged in parallel along the radial direction, and arc protrusions 23 matched with the arc positioning grooves 43 are arranged on the inner side wall of the radial sliding groove 22; the inner end of the rectangular sliding block is radially provided with two bayonet strip grooves 44 for enabling the arc-shaped positioning groove 43 to elastically move along the circumferential direction, and the two bayonet strip grooves are arranged near the side edge of the rectangular sliding block; of course, an upward flanging 45 is arranged on the side edge of the rectangular sliding block along the radial inner side, a reinforcing rib 46 is arranged between the upward flanging 45 and the rectangular sliding block, and a plurality of raised strips 47 for increasing friction are further arranged on the upper surface of the rectangular sliding block; the front end of the chuck 41 is of an arc-shaped structure, so that the chuck can be conveniently embedded into the positioning groove to realize locking.
In this embodiment, the seal assembly 5 for sealing between the device extending into the expanding cylinder and the inner cap 2 is provided on the seal bayonet 21, and the number of seal assemblies 5 is 3 corresponding to the seal bayonet; the sealing component 5 is in an inverted cone shape, and the bottom of the sealing component forms a sealing insertion opening with variable size; by arranging the sealing component 5, the tightness of the stamping opening 21 is ensured, and the phenomenon that stable air convection is influenced by the air inlet and the air outlet in a surgical channel due to the fact that the stamping opening 21 is not tight in sealing is avoided, so that the smoke interference generated in the visual field in the surgical channel during laser cutting is caused.
In this embodiment, the seal assembly 5 includes, at least from top to bottom, a first rubber seal cover 51 and a second rubber seal cover, which are both in reverse conical shapes, where the thickness of the first rubber seal cover 51 is greater than that of the second rubber seal cover, and the size of the seal insertion opening at the bottom of the first rubber seal cover 51 is greater than that of the seal insertion opening at the bottom of the second rubber seal cover; the thickness of the first rubber seal cover 51 is relatively thick, so that the support is formed for each surgical tool, the thinner second rubber seal cover is easy to form a seal with the outer wall of each surgical tool, and the seal assembly 5 with the structure is beneficial to the ingress and egress of the surgical tools at the same time of sealing.
In this embodiment, the first rubber seal cover 51 is formed by splicing four quarter-inverted cone sheets, and a gap 51a is provided between two adjacent quarter-inverted cone sheets; the four second rubber sealing covers (including a second rubber sealing cover 52a, a second rubber sealing cover 52b, a second rubber sealing cover 52c and a second rubber sealing cover 52 d) are arranged in an overlapping manner, each second rubber sealing cover is respectively provided with a quarter-cone-shaped notch, and the four notches (including a notch 53a, a notch 53b, a notch 53c and a notch 53 d) are arranged in a staggered manner along the axial direction; further improving the tightness and passability of the seal assembly 5.
In this embodiment, the sealing assembly 5 further includes a rubber gasket 54, a sealing disc 55, an upper positioning disc 56, a lower positioning disc 57 and a fixing cover 58 sequentially from top to bottom, through openings are formed in the middle of the sealing disc 55, the upper positioning disc 56, the lower positioning disc 57 and the fixing cover 58, a plurality of upper positioning columns 56a and lower positioning columns 57a distributed along the circumferential direction are respectively arranged on the upper end surfaces of the upper positioning disc 56 and the lower positioning disc 57, an upper positioning hole 56a corresponding to the upper positioning column 56a is formed on the radially inner side of the sealing disc 55, a flanging is formed on the upper end of the first rubber sealing cover 51 and the upper end of the second rubber sealing cover, a lower positioning hole 56b corresponding to the lower positioning column 57a is formed on the flanging, the fixing cover 58 is fixed on the lower end surface of the inner cover 2 upwards, the lower positioning column 57a is pressed against the lower end surface of the upper positioning disc 56 after passing through the lower positioning hole 56b from bottom to top, the upper positioning column 56a is pressed against the lower end surface of the rubber positioning column 56a after passing through the upper positioning hole 56a from bottom to top, a sealing ring 55 is pressed against the lower end surface of the rubber positioning column 54, and the flange is formed on the radially outer side of the sealing cover 55 is formed between the sealing cover and the sealing cover is a of the sealing cover; the fixing cap 58 may be screwed to the lower end surface of the inner cap 2 by a fixing post fixed to the bottom surface of the inner cap 2.
In this embodiment, the positioning outer ring 3 is detachably fixed at the upper end of the expansion cylinder 1 through a spring buckle assembly; the spring buckle assembly comprises a buckle upper cover 61, a bayonet lower cover 62 and a spring buckle handle assembly, wherein a buckle is arranged at the lower end of the buckle upper cover 61, the upper end of the buckle upper cover 61 is fixed on the lower end face of the positioning outer ring 3, and the sealing assembly 5 is fixed on the lower end face of the inner cover 2; the bayonet lower cover 62 fixedly mounts the spring clamping handle assembly on the upper end surface of the expansion cylinder 1 and forms a bayonet, and the bayonet lower cover 62 and the spring clamping handle assembly are of a structure capable of forming a bayonet in the prior art, and are not described in detail herein; as shown in the figure, the positioning outer ring 3 is detachably fixed at the upper end of the expansion cylinder 1, the cut pathological tissue is required to be taken out in the operation process, at this time, the bayonet upper cover can be taken down by slightly pulling the clamping handle 63 of the spring clamping handle assembly to the right side, and the pathological tissue is taken out.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (8)
1. A single-hole multi-channel rotatable operation device of a laparoscope, which is characterized in that: the surgical operation device comprises an expansion cylinder, wherein a surgical operation channel is formed in the middle of the expansion cylinder, the front part of the expansion cylinder is small, the rear part of the expansion cylinder is large, the outer circle of the expansion cylinder is in arc transition from front to rear, the front end of the outer circle of the expansion cylinder is provided with a clamping support lug for preventing the expansion cylinder from withdrawing, and the upper end of the outer circle of the expansion cylinder is provided with a fixing support lug for fixing the expansion cylinder on a patient by suturing with the skin of the patient; the top of the expansion cylinder is provided with an inner cover capable of rotating around the central shaft of the expansion cylinder in a reciprocating manner, and the inner cover is fixedly provided with a plurality of poking bayonets communicated with the operation channel; the side wall of the expansion cylinder is provided with an air inlet hole and an air outlet hole; the inner cover is in rotary fit with the expansion cylinder in a limited mode;
the inner cover locking device is characterized by further comprising a positioning outer ring which is fixed at the top end of the expansion cylinder and used for axially fixing the inner cover and a lock catch which is used for being matched with the positioning outer ring in a clamping way to realize that the inner cover is fixed on the outer ring, wherein a plurality of positioning grooves which are distributed along the circumferential direction are formed in the inner circle of the positioning outer ring, the lock catch and the inner cover are connected in a single-degree-of-freedom radial sliding mode, and the lock catch can be inserted into the positioning grooves after sliding along the radial direction to realize the inner cover locking.
2. The laparoscopic single port multi-way rotatable manipulation device of claim 1, wherein: an axial fixing mechanism for fixing the lock catch on the inner cover along the axial direction and a radial sliding positioning mechanism for positioning the lock catch along the radial direction are arranged between the lock catch and the inner cover.
3. The laparoscopic single port multi-way rotatable manipulation device of claim 2, wherein: the lock catch is a rectangular sliding plate, a radial sliding groove for limiting the rectangular sliding plate in the circumferential direction is formed on the outer side of the upper end face of the inner cover, the rectangular sliding plate is arranged in the radial sliding groove, and a clamping head capable of being embedded into the positioning groove in a conformal manner is arranged on the radially outer end face of the rectangular sliding plate; the axial fixing mechanism comprises an axial bayonet arranged at the bottom of the radial chute, an axial clamping tongue is fixedly arranged on the lower end surface of the rectangular sliding plate, the axial clamping tongue is axially clamped at the axial bayonet, and the axial clamping tongue is in sliding fit with the axial bayonet along the radial direction; the radial sliding positioning mechanism comprises arc positioning grooves arranged on two side surfaces of the rectangular sliding plate in the circumferential direction, wherein the arc positioning grooves are arranged on one side of the rectangular sliding plate in the radial direction in parallel, and arc protrusions matched with the arc positioning grooves are arranged on the inner side walls of the radial sliding grooves.
4. The laparoscopic single port multi-way rotatable manipulation device of claim 1, wherein: the seal assembly is in an inverted conical shape, and the bottom of the seal assembly forms a seal insertion opening with variable size.
5. The laparoscopic single port multi-way rotatable manipulation device of claim 4, wherein: the sealing assembly at least comprises a first rubber sealing cover and a second rubber sealing cover which are all in reverse conical shapes from top to bottom in sequence, the thickness of the first rubber sealing cover is larger than that of the second rubber sealing cover, and the size of a sealing insertion opening at the bottom of the first rubber sealing cover is larger than that of a sealing insertion opening at the bottom of the second rubber sealing cover.
6. The laparoscopic single port multi-way rotatable manipulation device of claim 5, wherein: the first rubber sealing cover is formed by splicing four quarter-inverted cone sheets, and gaps are arranged between two adjacent quarter-inverted cone sheets; the second rubber sealing covers are four and mutually overlapped, and each second rubber sealing cover is respectively provided with a quarter-inverted conical notch, and the four notches are mutually staggered along the axial direction.
7. The laparoscopic single port multi-way rotatable manipulation device of claim 6, wherein: the sealing assembly comprises a sealing assembly, and is characterized in that the sealing assembly comprises a rubber gasket, a sealing disc, an upper positioning disc, a lower positioning disc and a fixing cover from top to bottom in sequence, a through hole is formed in the middle of the sealing disc, the upper positioning disc, the lower positioning disc and the fixing cover, a plurality of upper positioning columns and lower positioning columns distributed along the circumferential direction are respectively arranged on the upper end faces of the upper positioning disc and the lower positioning disc, upper positioning holes corresponding to the upper positioning columns are formed in the radial inner side of the sealing disc, flanging is arranged at the upper end of the first rubber sealing cover and the upper end of the second rubber sealing cover, lower positioning holes corresponding to the lower positioning columns are formed in the flanging, the fixing cover is upwards fixed on the lower end face of the inner cover and upwards abuts against the lower positioning disc to enable the lower positioning columns to abut against the lower end face of the upper positioning disc after passing through the lower positioning holes from bottom to top, the upper positioning columns abut against the lower end face of the rubber gasket after passing through the upper positioning holes, and the radial outer side of the sealing disc abuts against the lower end face of the inner cover, and a S-shaped section formed between the inner cover and the fixing cover is arranged on the radial outer side of the sealing disc.
8. The laparoscopic single port multi-way rotatable manipulation device of claim 1, wherein: the positioning outer ring is detachably fixed at the upper end of the expansion cylinder through the spring buckle assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710662512.8A CN107320139B (en) | 2017-08-04 | 2017-08-04 | Single-hole multichannel rotatable operation device of laparoscope |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710662512.8A CN107320139B (en) | 2017-08-04 | 2017-08-04 | Single-hole multichannel rotatable operation device of laparoscope |
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| CN107320139A CN107320139A (en) | 2017-11-07 |
| CN107320139B true CN107320139B (en) | 2023-06-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108245205B (en) * | 2018-01-22 | 2023-10-31 | 重庆医科大学 | Single-port laparoscope access channel and manufacturing method thereof |
| CN108354638A (en) * | 2018-03-30 | 2018-08-03 | 天津瑞奇外科器械股份有限公司 | Seal assembly, trocar sleeve and puncture outfit for trocar sleeve |
| CN108523946B (en) * | 2018-05-10 | 2023-10-13 | 苏州法兰克曼医疗器械有限公司 | Angle-adjustable channel device for minimally invasive surgery |
| CN109394187B (en) * | 2018-11-08 | 2021-10-22 | 重庆医科大学 | Wearable cardiovascular health monitoring system based on monomer side signal detection |
| CN110141328A (en) * | 2019-06-19 | 2019-08-20 | 江苏格里特医疗科技有限公司 | A kind of sealing ring and multi-channel single-hole laparoscopic surgery puncture outfit |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6371968B1 (en) * | 1996-05-09 | 2002-04-16 | Olympus Optical Co., Ltd. | Cavity retaining tool for bone surgery, a cavity retaining tool for general surgery, an endoscopic surgery system involving the use of a cavity retaining tool, and a procedure for surgery |
| US6638265B1 (en) * | 2000-06-08 | 2003-10-28 | Artin M. Ternamian | Laparoscopy cannula adapter and assembly |
| CN102151167A (en) * | 2011-04-22 | 2011-08-17 | 上海英诺伟微创医疗器械有限公司 | Multi-channel single-hole laparoscopic puncture outfit |
| WO2011129606A2 (en) * | 2010-04-16 | 2011-10-20 | 강원대학교산학협력단 | Sealing member for a trocar, and multi-port trocar for laparoscopic surgery comprising the sealing member |
| KR20110138696A (en) * | 2010-06-21 | 2011-12-28 | 김송이 | Trocar for single port surgery |
| CN102319121A (en) * | 2011-07-07 | 2012-01-18 | 威海威高齐全医疗设备有限公司 | Single-hole operation passage |
| CN102613994A (en) * | 2012-03-15 | 2012-08-01 | 张阳德 | Single-port sheath with sheath needle and use method |
| CN102727262A (en) * | 2012-05-23 | 2012-10-17 | 王小军 | Single-cut sealing device for laparoscopic surgery |
| CN102988107A (en) * | 2011-09-15 | 2013-03-27 | 钱庆鹏 | Single-port laparoscopic surgery sheath |
| CN204683555U (en) * | 2015-05-05 | 2015-10-07 | 丽水市人民医院 | Novel laparoscope operation device |
| CN105286968A (en) * | 2015-11-05 | 2016-02-03 | 重庆医科大学附属口腔医院 | Distractive osteogenesis device suitable for narrow and small space |
| JP2016140696A (en) * | 2015-02-05 | 2016-08-08 | 株式会社八光 | Ligature transporter |
| CN208464154U (en) * | 2017-08-04 | 2019-02-05 | 重庆医科大学 | Operating device for abdominal operation |
-
2017
- 2017-08-04 CN CN201710662512.8A patent/CN107320139B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6371968B1 (en) * | 1996-05-09 | 2002-04-16 | Olympus Optical Co., Ltd. | Cavity retaining tool for bone surgery, a cavity retaining tool for general surgery, an endoscopic surgery system involving the use of a cavity retaining tool, and a procedure for surgery |
| US6638265B1 (en) * | 2000-06-08 | 2003-10-28 | Artin M. Ternamian | Laparoscopy cannula adapter and assembly |
| WO2011129606A2 (en) * | 2010-04-16 | 2011-10-20 | 강원대학교산학협력단 | Sealing member for a trocar, and multi-port trocar for laparoscopic surgery comprising the sealing member |
| KR20110138696A (en) * | 2010-06-21 | 2011-12-28 | 김송이 | Trocar for single port surgery |
| CN102151167A (en) * | 2011-04-22 | 2011-08-17 | 上海英诺伟微创医疗器械有限公司 | Multi-channel single-hole laparoscopic puncture outfit |
| CN102319121A (en) * | 2011-07-07 | 2012-01-18 | 威海威高齐全医疗设备有限公司 | Single-hole operation passage |
| CN102988107A (en) * | 2011-09-15 | 2013-03-27 | 钱庆鹏 | Single-port laparoscopic surgery sheath |
| CN102613994A (en) * | 2012-03-15 | 2012-08-01 | 张阳德 | Single-port sheath with sheath needle and use method |
| CN102727262A (en) * | 2012-05-23 | 2012-10-17 | 王小军 | Single-cut sealing device for laparoscopic surgery |
| JP2016140696A (en) * | 2015-02-05 | 2016-08-08 | 株式会社八光 | Ligature transporter |
| CN204683555U (en) * | 2015-05-05 | 2015-10-07 | 丽水市人民医院 | Novel laparoscope operation device |
| CN105286968A (en) * | 2015-11-05 | 2016-02-03 | 重庆医科大学附属口腔医院 | Distractive osteogenesis device suitable for narrow and small space |
| CN208464154U (en) * | 2017-08-04 | 2019-02-05 | 重庆医科大学 | Operating device for abdominal operation |
Non-Patent Citations (1)
| Title |
|---|
| 胃炎性肌纤维母细胞瘤的临床病理及腹腔镜手术治疗;邱兴烽;《中国微创外科杂志》;20110720;第11卷(第7期);633-635 * |
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