CN113633250A - Intestinal wall fixing device for intraoperative enteroscope - Google Patents
Intestinal wall fixing device for intraoperative enteroscope Download PDFInfo
- Publication number
- CN113633250A CN113633250A CN202110692643.7A CN202110692643A CN113633250A CN 113633250 A CN113633250 A CN 113633250A CN 202110692643 A CN202110692643 A CN 202110692643A CN 113633250 A CN113633250 A CN 113633250A
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- Prior art keywords
- elastic
- ring
- intestinal
- enteroscope
- elastic claw
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- 230000000968 intestinal effect Effects 0.000 title claims abstract description 39
- 210000000078 claw Anatomy 0.000 claims abstract description 52
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 210000000936 intestine Anatomy 0.000 claims abstract description 15
- 238000003825 pressing Methods 0.000 claims description 26
- 230000008602 contraction Effects 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 210000000683 abdominal cavity Anatomy 0.000 abstract description 7
- 210000003736 gastrointestinal content Anatomy 0.000 abstract description 6
- 206010067268 Post procedural infection Diseases 0.000 abstract description 5
- 230000036285 pathological change Effects 0.000 abstract description 4
- 231100000915 pathological change Toxicity 0.000 abstract description 4
- 238000011010 flushing procedure Methods 0.000 abstract description 3
- 230000006837 decompression Effects 0.000 abstract description 2
- 210000001072 colon Anatomy 0.000 description 10
- 206010028980 Neoplasm Diseases 0.000 description 4
- 208000003243 intestinal obstruction Diseases 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 208000001333 Colorectal Neoplasms Diseases 0.000 description 2
- 206010058046 Post procedural complication Diseases 0.000 description 2
- 208000035965 Postoperative Complications Diseases 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 210000001035 gastrointestinal tract Anatomy 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 206010009944 Colon cancer Diseases 0.000 description 1
- 210000001815 ascending colon Anatomy 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000001731 descending colon Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001839 endoscopy Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000003384 transverse colon Anatomy 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00147—Holding or positioning arrangements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
- A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
- A61B1/00082—Balloons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/31—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the rectum, e.g. proctoscopes, sigmoidoscopes, colonoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
Abstract
The invention discloses an intestinal wall fixing device for an intraoperative enteroscope, which comprises an extension tube, wherein one end of the extension tube is provided with a first connector for being spliced with an intestine, a plurality of elastic claws are arranged on the extension tube along the circumferential direction, one end of each elastic claw is fixedly connected with the extension tube, the other end of each elastic claw extends towards the direction of the first connector, an elastic ring is sleeved outside each elastic claw, the other end of the extension tube is provided with a second connector for being spliced with the enteroscope, and a sealing structure is arranged on the second connector. The invention utilizes the elastic fixing device, thereby avoiding knotting and fixing in the operation and saving the operation time; the device can be placed in the field of operation by arranging the extension tube, so that more intestinal tubes are prevented from being dissociated, and the operation wound and the operation time are reduced; the radial incision and the air bag are arranged to avoid air leakage and intestinal contents overflow, so that the pollution to the abdominal cavity and the operation field is avoided, and the postoperative infection is avoided; suction, decompression and flushing can be performed after the endoscope is put in the operation, the condition of the blocked proximal intestinal canal is observed, and the pathological changes are prevented from being missed; simple structure and convenient operation.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an intestinal wall fixing device for an intraoperative enteroscope.
Background
Intestinal obstruction is a common complication of colorectal cancer, and how to judge the pathological changes of intestinal sections above the intestinal obstruction is always a clinical problem. The intestinal endoscopy during the operation can directly know the conditions in the intestinal canal above the obstruction part, has definite guiding significance on the surgical operation mode and the surgical range, and especially has important significance on the discovery and the surgical treatment of the multiple colorectal cancers simultaneously. At present, in the conventional enteroscope in operation, a hole is directly opened in the near-end intestinal canal of the tumor obstruction or the near-end intestinal canal is examined under the enteroscope after being cut off, the near-end intestinal segment needs to be lifted out of an incision and placed outside an abdominal cavity, more intestinal canals need to be dissociated, the operation wound is increased, and the operation time is prolonged. And patients generally have serious intestinal obstruction, the preparation of intestinal tracts before operation has more problems, a large amount of excrement and liquid are often accumulated in the intestinal cavity at the near end of the obstruction, air leakage and the overflow of intestinal contents are difficult to avoid in the enteroscopy operation process, the pollution of abdominal cavity and operation field is very easy to cause, and the complications such as postoperative infection are increased.
For example, a "colonoscope system with infrared thermal scanning function" disclosed in chinese patent literature, whose publication No. CN102100538B includes a colonoscope, a cold light source host connected to the colonoscope, a camera host, and an endoscope monitor, and the colonoscope is further provided with an infrared thermal scanning system, which includes an infrared thermal scanning probe, an infrared thermal scanning processing system host, and an infrared thermal scanning system monitor. The defects that in order to extend the colonoscope into the colon, the proximal intestinal segment needs to be lifted out of the incision and placed outside the abdominal cavity, more intestinal tubes need to be dissociated, the operation wound is increased, and the operation time is prolonged; in addition, air leakage and intestinal content overflow are difficult to avoid in the enteroscope operation process, which is very easy to cause pollution to abdominal cavity and operation field and increase postoperative infection and other complications.
Disclosure of Invention
The invention provides an intraoperative intestinal wall fixing device for an enteroscope, which is convenient to fix, reduces the operation wound and operation time and reduces the postoperative complication risk, and aims to solve the problems that the existing intestinal obstruction operation has large wound and long time and increases the postoperative complication risk.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an intestines mirror intestinal wall fixing device in art, includes the extension pipe, extension pipe one end is equipped with the first joint that is used for pegging graft with the intestines, be equipped with a plurality of elastic claw along circumference on the extension pipe, elastic claw one end and extension pipe fixed connection, the elastic claw other end extends to first joint direction, and a plurality of elastic claw overcoat are equipped with the elastic ring, the extension pipe other end is equipped with the second that is used for pegging graft intestines mirror and connects, the second connects and is equipped with seal structure.
The invention is characterized in that an extension tube is arranged, a first joint at one end of the extension tube is inserted into the intestine to be connected with the broken end of the intestine, an elastic ring is sleeved outside an elastic claw before use, the elastic ring is tensioned and fixed at the periphery of the elastic claw through the outward-expanding elasticity of the elastic claw, after the first joint is connected with the broken end of the intestine in place, the elastic ring is gradually separated from the elastic claw due to self contraction by contracting the elastic claw and then sleeved outside the intestinal wall, the intestinal wall is hooped outside the first joint by utilizing the elasticity, knotting and fixing in an operation are avoided, and the operation time is saved; the second joint at the other end is used for inserting an enteroscope, and the sealing device is arranged to avoid air leakage and intestinal content overflow, avoid pollution to the abdominal cavity and the operation field and avoid postoperative infection; can put the device in the operation field through setting up the extension pipe, avoid dissociating more intestines tube, reduce operation wound and operation time, can attract, decompress, wash after the art advances the mirror, observe the near-end intestines tube condition of obstruction, avoid omitting pathological change.
Preferably, the plurality of elastic claws are sleeved with a contraction ring along the circumferential direction, the outer walls of the elastic claws are matched with the conical surface of the inner wall of the contraction ring, the conical surface contracts towards the fixed end of the elastic claw, and the inner sides of the elastic claws are connected with the first connector through pressure springs.
The elastic claw is supported by a pressure spring to keep a state of tensioning the elastic ring outwards, the contraction ring is arranged on one side of the elastic ring away from the intestinal canal, the free end of the elastic claw gradually contracts under the conical surface fit by moving the contraction ring towards the direction of the elastic ring, the contact surface of the elastic claw and the elastic ring gradually inclines, the pressure spring is compressed, and when the elastic ring contracts to be incapable of continuously tensioning and fixing the elastic ring, the elastic ring is separated from the elastic claw and is looped to tighten the broken end of the intestinal canal; when the movable contraction ring returns, the elastic claws expand outwards to return under the action of the elasticity of the pressure spring.
Preferably, the elastic claw is screwed with the contraction ring.
The moving direction is converted into axial movement through the circumferential rotation of the contraction ring so as to change the state of the elastic claw, the connection mode has a self-locking effect, the contraction ring is not easy to change the position and can stay at any position, and the retraction state of the elastic claw is more controllable.
Preferably, the first connector comprises an outer section far away from the extension pipe and an inner section close to the extension pipe, the diameter of the inner section is smaller than that of the outer section and that of the extension pipe, and the elastic ring is arranged corresponding to the inner section.
The inner section and the elastic ring act on the broken ends of the intestines together to avoid relative displacement between the intestinal canal and the device, and the elastic ring is not easy to separate after being tightened because the pipe diameter of the inner section is smaller than the pipe diameters of the two sides, so that the fixing is more firm, and enough space is provided for the contraction of the elastic claw.
Preferably, the outer tube wall is wavy.
The outer section pipe wall is of a corrugated pipe-shaped structure with large wave amplitude, the structure of the outer section pipe wall is matched with the shape of the inner wall of the colon, the friction with the intestinal wall is increased, and the displacement is avoided.
Preferably, an elastic sealing layer is arranged in the second joint along the cross section, and a plurality of notches arranged in a radial mode are formed in the elastic sealing layer.
The elastic sealing layer can be made of elastic materials such as rubber, the incision can be in the shape of a cross or a Chinese character 'mi', the incision is in a closed shape in a state without enteroscope insertion, the sealing performance is good, air leakage cannot be caused, and the incision enables the resistance of plugging and unplugging the enteroscope to be small.
Preferably, an air bag is arranged outside the elastic sealing layer and comprises an inner ring and an outer ring which are communicated, the inner ring is correspondingly arranged at the outer end of the notch along the circumferential direction, a pressing piece is sleeved outside the second joint, and a pressing plate used for pressing the outer ring onto the second joint is arranged on the pressing piece.
After the enteroscope is inserted, a gap is inevitably formed between the enteroscope and the elastic sealing layer, the air bag is arranged outside the second connector, after the enteroscope is inserted in place, the pressing piece is pressed, the outer ring is pressed on the second connector by the test pressing plate, gas in the outer ring is extruded to the inner ring, the inner ring expands, the gap between the outer wall of the enteroscope and the elastic sealing layer is sealed and blocked along the circumferential direction, the sealing performance is further improved, the air leakage and the overflowing of intestinal contents are avoided, the enteroscope is pressed from the circumferential direction, the displacement of the enteroscope is avoided, and in addition, the air bag has certain deformation capacity, and the size range of the adapted enteroscope is wide; after the enteroscope is finished, only the pressing piece needs to be opened, part of gas in the inner ring flows to the outer ring, and the enteroscope can be easily pulled out.
Therefore, the invention has the following beneficial effects: (1) the elastic fixing device is used, so that knotting and fixing in the operation are avoided, and the operation time is saved; (2) the device can be placed in the field of operation by arranging the extension tube, so that more intestinal tubes are prevented from being dissociated, and the operation wound and the operation time are reduced; (3) the radial incision and the air bag are arranged to avoid air leakage and intestinal contents overflow, so that the pollution to the abdominal cavity and the operation field is avoided, and the postoperative infection is avoided; (4) suction, decompression and flushing can be performed after the endoscope is put in the operation, the condition of the blocked proximal intestinal canal is observed, and the pathological changes are prevented from being missed; (5) simple structure and convenient operation.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of a first connector of the present invention inserted into an intestinal tract.
Fig. 3 is a schematic view of a first connector of the present invention secured to an intestine.
Fig. 4 is a schematic view of a second contact pressing member according to the present invention when pressing.
Fig. 5 is a bottom view of a second connector of the present invention.
In the figure: 1. the endoscope comprises an extension pipe 11, an elastic claw 111, a pressure spring 112, a step surface 12, a contraction ring 13, an outer section 14, an inner section 2, an elastic ring 3, an inner ring 31, an outer ring 32, a baffle ring 4, a pressing piece 41, a pressing plate 42, a clamping protrusion 5, a colon 6 and an enteroscope.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
As shown in fig. 1 and 2, the intestinal wall fixing device for the intraoperative enteroscope comprises a telescopic extension tube 1 made of plastics, one end of the extension tube 1 is provided with a first connector used for being connected with a colon 5 in an inserting mode, the first connector comprises an outer section 13 far away from the extension tube 1 and an inner section 14 close to the extension tube 1, the diameter of the inner section 14 is smaller than that of the outer section 13 and that of the extension tube 1, and the tube wall of the outer section 13 is wavy and is matched with the shape of the inner wall of the colon 5. A plurality of elastic claws 11 are arranged on the extension pipe 1 along the circumferential direction, one end of each elastic claw 11 is fixedly connected with the extension pipe 1, the other end of each elastic claw 11 extends towards the first joint direction, a step surface 112 is arranged on the outer side of the other end of each elastic claw 11, and the end part of each elastic claw corresponds to the inner section 14. Elastic claw 11 circumference overcoat is equipped with elastic ring 2, and the surface coating of elastic ring 2 has close skin layer, and elastic ring 2 and step face 112 laminating. Elastic claw 11 is equipped with shrink ring 12 along circumference overcoat, and shrink ring 12 sets up in the elastic ring 2 and is close to one side of extension pipe 1, and elastic claw 11 outer wall and the conical surface cooperation of shrink ring 12 inner wall, the conical surface shrink to elastic claw 11 stiff end, elastic claw 11 and shrink ring 12 threaded connection, and elastic claw 11 is inboard to be connected with first joint through pressure spring 111. As shown in fig. 5, the other end of the extension tube 1 is provided with a second connector 15 for inserting an enteroscope, an elastic sealing layer 151 is arranged in the second connector 15 along the cross section, six notches 152 arranged in a radial manner are arranged in the middle of the elastic sealing layer 151, and the elastic sealing layer 151 is in a symmetrical six-lobe structure. An air bag made of elastic materials is arranged outside the elastic sealing layer 151 and comprises an inner ring 3 and an outer ring 31 which are communicated, the inner ring 3 is correspondingly arranged at the outer end of the notch 152 along the circumferential direction, a cylindrical pressing piece 4 is sleeved outside the second joint 15, and an annular pressing plate 41 used for pressing the outer ring 31 on the second joint 15 is arranged at one end, close to the notch 152, of the pressing piece 4. Two clamping grooves 153 are axially arranged on the second connector 15, and a clamping protrusion 42 clamped with the clamping grooves 153 is arranged on the inner wall of one end, away from the notch 152, of the pressing piece 4. The second joint end face is provided with a stop ring 32 corresponding to the position between the inner ring and the outer ring.
The use method is as follows: a cutting closer is used for cutting off a tumor 10cm above the tumor from a broken intestine pipe, a first joint is inserted into a colon 5 at the near end, a wavy bulge of an outer section 13 is attached to the shape of the inner wall of the colon, an elastic ring 2 is sleeved outside the elastic claw before use, the elastic ring is tensioned and fixed on the periphery of the elastic claw through the outward-expanding elastic force of the elastic claw, after the first joint is connected with the broken end of the colon in place, a contraction ring 12 is rotated to move upwards, the free end of the elastic claw 11 contracts, a step surface 12 is inclined and cannot continuously tension the elastic ring, the elastic ring gradually separates from the elastic claw due to self contraction, then the elastic ring is sleeved outside the intestinal wall corresponding to an inner section 14, and the colon 5 is fixed with the device, as shown in figure 3. The intestinal wall is hooped outside the first joint by using elasticity, so that knotting and fixing in the operation are avoided, and the operation time is saved. After the length and the bending condition of the extension tube are adjusted according to actual conditions, the enteroscope 6 is inserted into the extension tube 1 and the colon 5 from the incision 152, when the enteroscope 6 is in place, the pressing piece 4 is pushed inwards, the clamping protrusion 42 of the pressing piece is moved from the outer clamping groove 153 to be clamped to the inner clamping groove 153, as shown in fig. 4, at this time, the outer ring 31 is pressed on the end face of the second connector by the pressing plate 41, gas in the outer ring 31 is pressed towards the inner ring 3, the inner ring 3 is prevented from expanding towards the outer ring 31 by the retaining ring 32, the inner ring 3 expands inwards, so that the outer end of the incision 152 and a gap between the elastic sealing layer 151 and the enteroscope 6 are sealed, the enteroscope 6 is also pressed by the expanded inner ring 3 in the circumferential direction, and the mobility is reduced. Sucking and flushing after the endoscope is put in, fully discharging the liquid dung in the intestinal canal, decompressing, and checking whether the descending colon, the transverse colon and the ascending colon at the near end have tumors, polyps and other lesions. After the enteroscopy is finished, the pressing piece is pulled out, the enteroscope is pulled out after the inner ring 3 is deflated, the device is removed after the elastic ring 2 is cut off, and the subsequent operation steps are carried out.
Claims (8)
1. The utility model provides an intestines mirror intestinal wall fixing device in art, characterized by, includes extension pipe (1), extension pipe (1) one end is equipped with the first joint that is used for pegging graft with the intestines, be equipped with a plurality of elastic claw (11) along circumference on extension pipe (1), elastic claw (11) one end and extension pipe (1) fixed connection, elastic claw (11) other end extends to first joint direction, and a plurality of elastic claw (11) overcoat are equipped with elastic ring (2), extension pipe (1) other end is equipped with second joint (15) that are used for pegging graft intestines mirror, be equipped with seal structure on second joint (15).
2. The intestinal wall fixing device for the intraoperative intestinal endoscope is characterized in that a plurality of elastic claws (11) are sleeved with a contraction ring (12) along the circumferential direction, the outer wall of each elastic claw (11) is in conical fit with the inner wall of the contraction ring (12), the conical surfaces contract towards the fixed end of each elastic claw (11), and the inner sides of the elastic claws (11) are connected with a first connector through compression springs (111).
3. An intra-operative intestinal wall fixation device according to claim 2, characterized in that the elastic claw (11) is screwed with the contraction ring (12).
4. An intra-operative intestinal wall fixation device according to claim 1, wherein the first connector comprises an outer section (13) distal to the extension tube (1) and an inner section (14) proximal to the extension tube (1), the diameter of the inner section (14) being smaller than the diameter of the outer section (13) and the extension tube (1), and the elastic ring (2) is arranged corresponding to the inner section (14).
5. The intestinal wall fixing device for the intraoperative enteroscope according to claim 5, wherein the tube wall of the outer section (13) is wavy.
6. An intra-operative intestinal wall fixation device according to any one of claims 1-5, wherein the second connector (15) is provided with an elastic sealing layer (151) along a cross-section, and the elastic sealing layer (151) is provided with a plurality of radially arranged incisions (152).
7. The intestinal wall fixing device for the intraoperative enteroscope is characterized in that a balloon is arranged outside the elastic sealing layer (151) and comprises an inner ring (3) and an outer ring (31) which are communicated, the inner ring (3) is correspondingly arranged at the outer end of the cut (152) along the circumferential direction, a pressing piece (4) is sleeved outside the second joint (15), and a pressing plate (41) used for pressing the outer ring (31) on the second joint (15) is arranged on the pressing piece (4).
8. The intestinal wall fixing device for the intraoperative enteroscope is characterized in that two clamping grooves (153) are axially arranged on the second connector (15), a clamping protrusion (42) clamped with the clamping grooves (153) is arranged on the pressing piece (4), and the pressing plate (41) is annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110692643.7A CN113633250A (en) | 2021-06-22 | 2021-06-22 | Intestinal wall fixing device for intraoperative enteroscope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110692643.7A CN113633250A (en) | 2021-06-22 | 2021-06-22 | Intestinal wall fixing device for intraoperative enteroscope |
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| CN113633250A true CN113633250A (en) | 2021-11-12 |
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| CN202110692643.7A Pending CN113633250A (en) | 2021-06-22 | 2021-06-22 | Intestinal wall fixing device for intraoperative enteroscope |
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| CN209451012U (en) * | 2018-11-05 | 2019-10-01 | 重庆医科大学附属第三医院(捷尔医院） | Decompressor is used in a kind of operation of intestinal obstruction |
| CN209491153U (en) * | 2019-01-07 | 2019-10-15 | 安徽祥君电气有限公司 | A kind of gantry processing smoke exhaust ventilator being convenient to clean |
| CN110025423A (en) * | 2019-04-22 | 2019-07-19 | 桐乡市第一人民医院 | A kind of intestinal loop formula ostomy bracket and the ostomy bag with the intestinal loop formula ostomy bracket |
| CN212438561U (en) * | 2020-04-16 | 2021-02-02 | 自贡市第一人民医院 | Air leakage prevention device for enteroscopy |
| CN112587079A (en) * | 2020-12-09 | 2021-04-02 | 青岛卓森纳生物工程有限公司 | Intestinal endoscope |
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Application publication date: 20211112 |