CN109091395A - A kind of porous nose catheter with fixed device and seal wire - Google Patents

A kind of porous nose catheter with fixed device and seal wire Download PDF

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Publication number
CN109091395A
CN109091395A CN201811038439.8A CN201811038439A CN109091395A CN 109091395 A CN109091395 A CN 109091395A CN 201811038439 A CN201811038439 A CN 201811038439A CN 109091395 A CN109091395 A CN 109091395A
Authority
CN
China
Prior art keywords
seal wire
sleeve
catheter
catheter body
fixes sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201811038439.8A
Other languages
Chinese (zh)
Inventor
刘新平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201811038439.8A priority Critical patent/CN109091395A/en
Publication of CN109091395A publication Critical patent/CN109091395A/en
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J15/00—Feeding-tubes for therapeutic purposes
    • A61J15/0003—Nasal or oral feeding-tubes, e.g. tube entering body through nose or mouth
    • A61J15/0007—Nasal or oral feeding-tubes, e.g. tube entering body through nose or mouth inserted by using a guide-wire
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J15/00—Feeding-tubes for therapeutic purposes
    • A61J15/0026—Parts, details or accessories for feeding-tubes
    • A61J15/0053—Means for fixing the tube outside of the body, e.g. by a special shape, by fixing it to the skin
    • A61J15/0061—Means for fixing the tube outside of the body, e.g. by a special shape, by fixing it to the skin fixing at an intermediate position on the tube, i.e. tube protruding the fixing means
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02—Holding devices, e.g. on the body
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/09—Guide wires
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M2025/0019—Cleaning catheters or the like, e.g. for reuse of the device, for avoiding replacement
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02—Holding devices, e.g. on the body
    • A61M2025/0206—Holding devices, e.g. on the body where the catheter is secured by using devices worn by the patient, e.g. belts or harnesses
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02—Holding devices, e.g. on the body
    • A61M2025/0213—Holding devices, e.g. on the body where the catheter is attached by means specifically adapted to a part of the human body
    • A61M2025/0226—Holding devices, e.g. on the body where the catheter is attached by means specifically adapted to a part of the human body specifically adapted for the nose
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02—Holding devices, e.g. on the body
    • A61M2025/0253—Holding devices, e.g. on the body where the catheter is attached by straps, bands or the like secured by adhesives
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/09—Guide wires
    • A61M2025/09175—Guide wires having specific characteristics at the distal tip

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Biophysics (AREA)
  • Otolaryngology (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

The present invention relates to a kind of with the porous nose catheter for fixing device and seal wire, including catheter body, seal wire, support device, the front end of catheter body sets Packed end, seal wire is equipped in the catheter body, the front end of seal wire is uniformly provided with multiple brush holder supports, the end of brush holder support is equipped with brush head, the fixes sleeve is socketed in outside catheter body, two V-grooves are symmetrically arranged in fixes sleeve, the support device includes stop sleeve, ribs, support rack, the stop sleeve is socketed in outside fixes sleeve, multiple ribs are uniformly provided on the outside of stop sleeve, support rack is fixed on the outside of ribs.The front end of conduit of the present invention is equipped with limition orientation spherical shell, the front end of seal wire also is provided with ball, can be avoided and stabs to nose, oesophagus and intestinal mucosa；It being capable of effective fixed catheter ontology；Fixed device maintains easily the nasal cavity for setting pipe portion position, and the front end of seal wire is equipped with brush head, is capable of inside side opening and the catheter body of effective dredging conduit ontology.

Description

A kind of porous nose catheter with fixed device and seal wire
Technical field
The present invention relates to oncology technical fields, and in particular to a kind of porous nose catheter with fixed device and seal wire.
Background technique
In the clinical application of Hospitals at Present, stomach tube is mainly used for the gastrointestinal decompression of thorax abdomen patients surgery phase, patient with severe symptoms Enteral nutrition supply and gastric lavage, have single-chamber stomach tube, double-cavity stomach tube, three chamber stomach tube etc. at present, when carrying out gastrointestinal decompression, continue It is of long duration, it is up to 42 days, stomach tube abjection activity in order to prevent, stomach tube is generally fixed on patient facial region with adhesive tape, but stomach tube It is inserted into the nasal cavity blocking of side, influences to breathe, when for patient maintenance's nasal cavity, needs to take off adhesive tape, after the completion of nursing, then carry out It is fixed, it is inconvenient for operation；Current single-chamber or double-cavity stomach tube is made of materials such as rubber, silica gel, and tube body is excessively soft, can not be straight Pipe is set depending on state, is easy that nose, oesophagus and intestinal mucosa are caused to damage, causes some complication such as inflammatory edema, bleeding, ulcer Deng making patient pain and discomfort, the state of an illness of making patients occur；Existing gastric tube is easy to happen clogging, once blocking, The financial burden of patient must be replaced, increase, tube drawing intubation repeatedly can also be damaged to patient.
Summary of the invention
To overcome the deficiency, the purpose of the present invention is to provide a kind of with the porous nose stomach for fixing device and seal wire Pipe.
The technical solution adopted by the present invention to solve the technical problems is: a kind of porous nose with fixed device and seal wire The rear end of stomach tube, including catheter body, seal wire, support device, the catheter body is equipped with pipe joint, and pipe joint is equipped with Sealing cover, the catheter body are equipped with multiple side openings by the wall of front end, and the front end of catheter body sets Packed end, institute It states and is equipped with seal wire in catheter body, the front end of seal wire is uniformly provided with multiple brush holder supports, and the end of brush holder support is equipped with brush head, the fixing sleeve Cylinder is socketed in outside catheter body, is symmetrically arranged with two V-grooves in fixes sleeve, the opening of V-groove towards one end of fixes sleeve, The side of the V-groove of fixes sleeve is equipped with medical adhesive tape, facilitates and fixes sleeve is fixed in catheter body, the support device Including stop sleeve, ribs, support rack, the stop sleeve is socketed in outside fixes sleeve, and the outside of stop sleeve is uniform Equipped with multiple ribs, support rack is fixed on the outside of ribs.
Specifically, limition orientation spherical shell is equipped in the end, limition orientation spherical shell is dome-type shell, limition orientation ball Shell is equipped with stop collar towards the side of pipe joint, and stop collar center is equipped with through-hole.
Specifically, the brush holder support is perpendicular with seal wire in the case where not stressing.
Specifically, the front end of the brush holder support is equipped with development ball.
Specifically, the rear end of the seal wire is detachably secured in sealing cover.
Specifically, the center line of the V-groove and the bus of fixes sleeve are parallel, and the bottom of the V-groove is round and smooth Transition.
Specifically, the inner wall that the fixes sleeve is located at V-groove bottom end is equipped with mucigel.
Specifically, the ribs are parallel with the bus of stop sleeve, and ribs are using the foam for having buffer function.
Specifically, the stop sleeve and fixes sleeve are interference fitted, when dismantling support device.
Specifically, the support rack is externally provided with one layer of aseptic cotton layer.
Specifically, the fixes sleeve is equipped with two elastic bands, and fixes sleeve is connected with one end of elastic band, elastic band The other end be equipped with hangers, facilitate fixed catheter ontology.
The invention has the following advantages: the stomach tube with seal wire can be placed under development, pair to patient is avoided Nose, oesophagus and intestinal mucosa cause to damage, while the front end of conduit is equipped with limition orientation spherical shell, the front end of seal wire also is provided with being oriented to Ball can be avoided and stab to nose, oesophagus and intestinal mucosa；Catheter body is equipped with fixed sleeving, elastic band, hangers and fixed dress It sets, it being capable of effective fixed catheter ontology；Fixed device maintains easily the nasal cavity for setting pipe portion position, avoids the disease of nasal cavity making patients Feelings；The front end of seal wire is equipped with brush head, is capable of inside side opening and the catheter body of effective dredging conduit ontology, avoids replacement stomach tube, It causes suffering to patient.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of catheter body front end of the invention.
Fig. 3 is fixture structure schematic diagram of the invention.
Fig. 4 is fixes sleeve structural schematic diagram of the invention.
1 catheter body in figure, 2 side openings, 3 front ends, 31 limition orientation spherical shells, 32 stop collars, 33 through-holes, 4 pipe joints, 5 sealing covers, 6 fixes sleeves, 61V type groove, 62 fixation adhesive tapes, 7 support devices, 71 stop sleevees, 72 ribs, 73 supporting networks Frame, 74 aseptic cottons layer, 8 seal wires, 81 brush holder supports, 82 brush heads, 83 development ball.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.
A kind of porous nose catheter with fixed device and seal wire according to shown in Fig. 1 to Fig. 4, including catheter body 1, lead Silk 8, support device 7, the rear end of the catheter body 1 are equipped with pipe joint 4, and pipe joint 4 is equipped with sealing cover 5, described to lead Tube body 1 is equipped with multiple side openings 2 by the wall of front end, and the front end of catheter body 1 sets Packed end 3, end 3 and conduit Ontology 1 is structure as a whole, and is equipped with seal wire 8 in the catheter body 1, the front end of seal wire 8 is uniformly provided with multiple brush holder supports 81, brush holder support 81 End be equipped with brush head 82, the fixes sleeve 6 is socketed in outside catheter body 1, and two V-grooves are symmetrically arranged in fixes sleeve 6 61, for the opening of V-groove 61 towards one end of fixes sleeve 6, the side of the V-groove 61 of fixes sleeve 6 is equipped with medical adhesive tape 62, side Just fixes sleeve 62 is fixed in catheter body 1, the support device 7 includes stop sleeve 71, ribs 72, support rack 73, the stop sleeve 71 is socketed in outside fixes sleeve 6, and the outside of stop sleeve 71 is uniformly provided with multiple ribs 72, support Support rack 73 is fixed on the outside of rib 72.
Specifically, limition orientation spherical shell 31 is equipped in the end 3, limition orientation spherical shell 31 is dome-type shell, limit It is oriented to spherical shell 31 and is equipped with stop collar 32 towards the side of pipe joint 4,32 center of stop collar is equipped with through-hole 33, limition orientation spherical shell 31 are fixed on the inner wall of end 3 by modes such as viscose or rivetings.
Specifically, the brush holder support 81 is perpendicular with seal wire 8 in the case where not stressing.
Specifically, the front end of the brush holder support 81 is equipped with development ball 83, prevents the end of seal wire 8 from piercing bad catheter body, Meanwhile, it is capable to play the role of development, pipe is conveniently set.
Specifically, the rear end of the seal wire 8 is detachably secured in sealing cover 5.
Specifically, the center line of the V-groove 61 is parallel with the bus of fixes sleeve 6, and the bottom of the V-groove 61 is Rounding off.
Specifically, the inner wall that the fixes sleeve 6 is located at 61 bottom end of V-groove is equipped with mucigel, is inserted according to stomach tube Enter depth and determine nasal cavity position, then fixes sleeve 6 is fixed on to the position of 1 nasal cavity of catheter body.
Specifically, the ribs 72 are parallel with the bus of stop sleeve 6, and ribs 72 are using the bubble for having buffer function Cotton.
Specifically, the stop sleeve 71 is interference fitted with fixes sleeve 6, when dismantling support device 7, presses fixing sleeve The internal diameter of fixes sleeve 6 is compressed, between having between such stop sleeve 71 and fixes sleeve 6 in the two sidewalls of the V-groove 61 of cylinder 6 Gap, at this moment rotating supporting device 7, change the pressure spot that ribs 72 generate patient's nasal cavity, also conveniently remove support device 7, It is simple and convenient when replacing support device 7 for patient or nurse.
Specifically, the support rack 73 is externally provided with one layer of aseptic cotton layer 74, first is that the nasal pressure of buffering patient, two It is that can be breathed by the cavity between support rack 73 and stop sleeve 71, also maintain easily nasal cavity, led not dismantling In the case where tube body 1, profit nasal cavity is squirted or into the cavity between support rack 73 and stop sleeve 71 for nasal cavity anti-inflammatory Medicament acts on patient's nasal cavity through support rack 73, aseptic cotton layer 74, delays the pressure of light bronchia mucosal.
Specifically, the fixes sleeve 6 is equipped with two elastic bands 9, and fixes sleeve 6 is connected with one end of elastic band 9, bullet The other end of power band 9 is equipped with hangers 91, facilitates fixed catheter ontology 1.
Seal wire 8 in the application plays the role of supporting catheter body 1, when merging, the brush holder support 81 and brush head of 8 front end of seal wire 82 pass through the through-hole 33 of stop collar 32, are located in limition orientation spherical shell 31, convenient for that will set catheter body 1 under development state Enter in patient's stomach and intestine, the front end of seal wire 8 is equipped with brush head 82, when catheter body 1 blocks, can open sealing cover 5, dismantle seal wire 8 rear end pins the external section of catheter body 1 with hand, pulls out seal wire 8, and the brush holder support 81 of 8 front end of seal wire, brush head 82 are drawn Ball shell 31 is limited out, rotates seal wire 8 while pulling out seal wire 8, it will be stifled in the side opening of blocking or catheter body Seal wire 8 after dredging, can be placed in catheter body 1 by plug portion dredging again, by the brush holder support 81 of front end, the merging limit of brush head 82 In the guiding spherical shell of position, for use.
The present invention is not limited to the embodiment, anyone should learn that the structure made under the inspiration of the present invention becomes Change, the technical schemes that are same or similar to the present invention are fallen within the scope of protection of the present invention.
Technology not described in detail in the present invention, shape, construction portion are well-known technique.

Claims (10)

1. a kind of porous nose catheter with fixed device and seal wire, including catheter body, seal wire, support device, the conduit The rear end of ontology is equipped with pipe joint, and pipe joint is equipped with sealing cover, and the catheter body is equipped with more by the wall of front end A side opening, it is characterised in that: the front end of the catheter body sets Packed end, is equipped with seal wire, institute in the catheter body The rear end for stating seal wire is detachably secured in sealing cover, and the front end of seal wire is uniformly provided with multiple brush holder supports, and the end of brush holder support is equipped with brush Head, the fixes sleeve are socketed in outside catheter body, two V-grooves are symmetrically arranged in fixes sleeve, the opening of V-groove is towards admittedly Determine one end of sleeve, the side of the V-groove of fixes sleeve is equipped with medical adhesive tape, facilitates fixes sleeve being fixed on catheter body On, the support device includes stop sleeve, ribs, support rack, and the stop sleeve is socketed in outside fixes sleeve, supports It is uniformly provided with multiple ribs on the outside of sleeve, is fixed with support rack on the outside of ribs.
2. a kind of porous nose catheter with fixed device and seal wire according to claim 1, it is characterised in that: the end Limition orientation spherical shell is equipped in head, limition orientation spherical shell is dome-type shell, and limition orientation spherical shell is towards the side of pipe joint Equipped with stop collar, stop collar center is equipped with through-hole.
3. a kind of porous nose catheter with fixed device and seal wire according to claim 1, it is characterised in that: the brush Bar is perpendicular with seal wire in the case where not stressing.
4. a kind of porous nose catheter with fixed device and seal wire according to claim 1, it is characterised in that: the brush The front end of bar is equipped with development ball.
5. a kind of porous nose catheter with fixed device and seal wire according to claim 1, it is characterised in that: the V The center line of type groove and the bus of fixes sleeve are parallel, and the bottom of the V-groove is rounding off.
6. a kind of porous nose catheter with fixed device and seal wire according to claim 1, it is characterised in that: described solid Determine sleeve and is located at the inner wall of V-groove bottom end equipped with mucigel.
7. a kind of porous nose catheter with fixed device and seal wire according to claim 1, it is characterised in that: the branch Stake rib is parallel with the bus of stop sleeve, and ribs are using the foam for having buffer function.
8. a kind of porous nose catheter with fixed device and seal wire according to claim 1, it is characterised in that: the branch Support set cylinder and fixes sleeve are interference fitted, when dismantling support device.
9. a kind of porous nose catheter with fixed device and seal wire according to claim 1, it is characterised in that: the branch Support rack is externally provided with one layer of aseptic cotton layer.
10. a kind of porous nose catheter with fixed device and seal wire according to claim 1, it is characterised in that: described Fixes sleeve is equipped with two elastic bands, and fixes sleeve is connected with one end of elastic band, and the other end of elastic band is equipped with hangers, side Just fixed catheter ontology.
CN201811038439.8A 2018-09-06 2018-09-06 A kind of porous nose catheter with fixed device and seal wire Withdrawn CN109091395A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811038439.8A CN109091395A (en) 2018-09-06 2018-09-06 A kind of porous nose catheter with fixed device and seal wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811038439.8A CN109091395A (en) 2018-09-06 2018-09-06 A kind of porous nose catheter with fixed device and seal wire

Publications (1)

Publication Number Publication Date
CN109091395A true CN109091395A (en) 2018-12-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811038439.8A Withdrawn CN109091395A (en) 2018-09-06 2018-09-06 A kind of porous nose catheter with fixed device and seal wire

Country Status (1)

Country Link
CN (1) CN109091395A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110292700A (en) * 2019-06-04 2019-10-01 兖矿新里程总医院 A kind of stomach tube guiding device
CN111135423A (en) * 2020-01-14 2020-05-12 惠州市顺美医疗科技有限公司 Super-selective catheter with good fixing effect
CN111616812A (en) * 2020-06-08 2020-09-04 王咏梅 Gastroenterology gastroscope pipe fixed knot constructs

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110292700A (en) * 2019-06-04 2019-10-01 兖矿新里程总医院 A kind of stomach tube guiding device
CN110292700B (en) * 2019-06-04 2021-06-15 兖矿新里程总医院 Stomach tube guiding device
CN111135423A (en) * 2020-01-14 2020-05-12 惠州市顺美医疗科技有限公司 Super-selective catheter with good fixing effect
CN111616812A (en) * 2020-06-08 2020-09-04 王咏梅 Gastroenterology gastroscope pipe fixed knot constructs

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Application publication date: 20181228