CN107495992B - Medical throttle valve assembly - Google Patents
Medical throttle valve assembly Download PDFInfo
- Publication number
- CN107495992B CN107495992B CN201710880539.4A CN201710880539A CN107495992B CN 107495992 B CN107495992 B CN 107495992B CN 201710880539 A CN201710880539 A CN 201710880539A CN 107495992 B CN107495992 B CN 107495992B
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- Prior art keywords
- ring
- sheath
- endoscope
- medical
- control mechanism
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- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000000007 visual effect Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 abstract description 7
- 230000037431 insertion Effects 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 3
- 230000000670 limiting effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002504 physiological saline solution Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002674 endoscopic surgery Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
-
- 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
- A61B2017/00238—Type of minimally invasive operation
-
- 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
- A61B2017/003—Steerable
- A61B2017/00318—Steering mechanisms
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Pathology (AREA)
- Endoscopes (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides a medical throttle valve assembly, which belongs to the field of medical appliances, and comprises a throttle valve, a sheath, a clamping mechanism and an endoscope control mechanism, wherein the clamping mechanism comprises a clamping piece and a shifting ring, and the shifting ring is abutted against the clamping piece to clamp a working sheath; the endoscope control mechanism comprises an outer ring, an inner ring and a sealing ring, wherein an annular installation position is formed between the outer ring and the inner ring at intervals, an annular groove is formed in the annular installation position of the inner ring, and the sealing ring is arranged in the annular groove; the sheath is inserted into the annular mounting position and is in airtight connection with the sealing ring; the inner ring is provided with an endoscope channel which penetrates through the inner ring, and the section of the endoscope channel is elliptical. The oval endoscope insertion opening is matched with the outline of the endoscope, so that the insertion of the endoscope is facilitated, the insertion opening is ensured to have the smallest area, and the tightness is better; the rotatable endoscope control mechanism realizes the angle adjustment control of the endoscope, the visual field direction can be adjusted in the operation process, and the medical throttle valve assembly has comprehensive functions and is firmly connected.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a surgical instrument accessory in percutaneous endoscopic surgery.
Background
The existing medical throttle valve assembly comprises a water valve, a sealing cap and a sheath sleeve, wherein the sheath sleeve is hollow and is open at one end, a working sheath is directly inserted into the sheath sleeve, the water valve is fixed on the sheath sleeve and is communicated with the sheath sleeve, and the sealing cap is sleeved at the rear end of a sheath main body.
The existing medical throttle valve assembly can only complete simple tissue excision and simple pressure stabilizing work through the working sheath and the water valve, and the simple insertion of the working sheath and the sheath is easy to generate sheath removal under the action of the force of operators, so that the operation of medical staff is influenced.
Disclosure of Invention
The invention aims to provide a medical throttle valve assembly which is comprehensive in function and stable in connection.
In order to achieve the purpose of the invention, the medical throttle valve assembly provided by the invention comprises a throttle valve, a sheath, a clamping mechanism and an endoscope control mechanism, wherein the throttle valve is communicated with the sheath; the clamping mechanism and the endoscope control mechanism are respectively arranged at two opposite ends of the sheath, and the throttle valve is arranged between the clamping mechanism and the endoscope control mechanism; the clamping mechanism comprises a clamping piece and a poking ring, the poking ring is sleeved outside the sheath and can rotate around the sheath, a first through hole penetrating through the poking ring is formed in the side wall of the sheath, the clamping piece can reciprocate in the first through hole, a plurality of protrusions arranged along the circumferential direction are arranged on the inner side of the poking ring, a recess is formed between every two adjacent protrusions, the protrusions are abutted to the cambered surface of the clamping piece, and the clamping piece protrudes out of the inner wall surface of the sheath; the endoscope control mechanism comprises an outer ring, an inner ring and a sealing ring, wherein the inner ring is fixed on the inner side of the outer ring, an annular installation position is arranged between the outer ring and the inner ring, an annular groove is formed in the outer wall surface of the inner ring in the annular installation position, and the sealing ring is arranged in the annular groove; the sheath is inserted into the annular mounting position, the endoscope control mechanism is in running fit with the sheath, and the sheath is in airtight connection with the sealing ring; the inner ring is provided with a penetrating endoscope channel which is communicated with the sheath, and the section of the endoscope channel is elliptical.
According to the scheme, in the clamping mechanism, the poking ring is abutted on the clamping piece, the working sheath is sleeved in the sheath tube, the clamping piece is tightly pressed on the working sheath, and the sheath tube and the working sheath are firmly connected and are convenient to assemble and disassemble. The endoscope socket of the inner ring can be used for the endoscope and the operation tool to penetrate and reach the operation position from the working sheath, the oval endoscope socket is matched with the outline of the endoscope, the insertion of the endoscope is convenient, the minimum area of the socket is ensured, and the tightness is better; the rotatable endoscope control mechanism realizes the angle adjustment control of the endoscope, the endoscope can adjust the visual field direction at any time in the operation process, and the medical throttle valve assembly has comprehensive functions and is firmly connected.
The endoscope control mechanism further comprises a first baffle ring, an inner shoulder is arranged on the inner side of the outer ring, an outer shoulder is arranged on the outer side of the inner ring, the first baffle ring is fixed on the inner side of the outer ring, and the outer shoulder is limited between the inner shoulder and the first baffle ring.
From the above, the whole connection of the endoscope control mechanism is more stable, and the rotation conversion rate between the outer ring and the inner ring is higher.
The inner wall surface of the sheath comprises a first annular surface and a second annular surface which are adjacent to each other, the diameter of the first annular surface is larger than that of the second annular surface, the first through hole is formed in the first annular surface, the second through hole is formed in the second annular surface, and the second through hole is communicated with the throttle valve; the sheath forms a cross section between the first annulus and the second annulus, and the maximum diameter of the endoscope channel is equal to the diameter of the second annulus.
From the above, the working sheath is inserted from one section of the first ring surface until abutting to the section, the setting of the section plays a foolproof role in the insertion of the working sheath, the inner diameter of the second ring surface, the inner diameters of the working sheath and the endoscope channel are closer, and the circulation of physiological saline is smoother.
The cross section of the sealing ring is circular, and the sealing ring is in line contact with the sheath.
From the above, the contact between the sealing ring and the sheath line enables the rotation adjustment of the inner ring to be smoother.
Further, a circle of undulating hand-held parts are arranged on the outer side of the outer ring.
From the above, the anti-slip design of the hand-held part is more convenient for medical staff to operate the endoscope angle adjustment.
The clamping mechanism further comprises a reset piece, and the reset piece is elastically connected between the shifting ring and the sheath.
From the above, the acting force of the reset piece forces the shifting ring to be positioned at the clamping position, so that the clamping mechanism is ensured to clamp the working sheath at the moment.
The clamping mechanism further comprises a second baffle ring, and the second baffle ring is sleeved on the sheath; the sheath is provided with a shaft shoulder, and the shifting ring is limited between the shaft shoulder and the second baffle ring.
From the above, the clamping effect of the shifting ring is further ensured under the limiting effect of the shaft shoulder and the second baffle ring.
Further, the circumferential position of the second baffle ring is provided with an arc-shaped limiting groove, the circumferential position of the shifting ring is provided with an extending limiting piece, and the limiting piece is positioned in the limiting groove.
From the above, the cooperation of spacing groove and locating part has restricted the rotation angle of plectrum, and the use of plectrum has the foolproof effect.
The throttle valve comprises a connecting piece and a valve body which are communicated, the connecting piece is fixedly sleeved on the sheath, and the second through hole is communicated with the valve body through the connecting piece.
In a further scheme, the connecting piece is in threaded sealing connection with the valve body.
Drawings
Fig. 1 is a block diagram of an embodiment of a medical throttle assembly of the present invention.
Fig. 2 is a cross-sectional view of an embodiment of a medical throttle assembly of the present invention.
FIG. 3 is a block diagram of a second stop ring in an embodiment of a medical throttle assembly of the invention.
Fig. 4 is a block diagram of a dial ring in an embodiment of a medical throttle assembly of the present invention.
Fig. 5 is a cross-sectional view of a sheath in an embodiment of a medical throttle assembly of the present invention.
Fig. 6 is a cross-sectional view of an inner ring of an embodiment of a medical throttle assembly of the present invention.
FIG. 7 is a block diagram of an inner ring in an embodiment of a medical throttle assembly of the invention.
Fig. 8 is a block diagram of a control end in an embodiment of a medical throttle assembly of the present invention.
The invention is further described below with reference to the drawings and examples.
Detailed Description
Referring to fig. 1, fig. 1 is a block diagram of an embodiment of a medical throttle assembly of the present invention. The medical throttle valve assembly comprises a circular tube type sheath, a clamping mechanism 2 and an endoscope control mechanism 3 which are respectively arranged at two opposite ends of the sheath in the extending direction, a throttle valve 4 is also arranged on the sheath, the throttle valve 4 is arranged between the clamping mechanism 2 and the endoscope control mechanism 3, and the throttle valve 4 is communicated with the interior of the sheath. In the medical throttle valve assembly, the clamping mechanism 2 is used for clamping the working sheath, the endoscope control mechanism 3 is used for allowing the endoscope to penetrate and controlling the angle of the endoscope, and the throttle valve 4 is used for controlling the physiological saline pressure in the working sheath.
Referring to fig. 2, 3 and 4, fig. 2 is a cross-sectional view of an embodiment of the medical throttle valve assembly of the present invention, fig. 3 is a structural view of a second baffle ring in an embodiment of the medical throttle valve assembly of the present invention, and fig. 4 is a structural view of a dial ring in an embodiment of the medical throttle valve assembly of the present invention. The clamping mechanism 2 comprises a shifting ring 21, a clamping member 22, a second stop ring 23, a limiting member 24 and a resetting member 25.
The shifting ring 21 comprises a ring body, an annular boss 211 is arranged on the inner side wall surface of the ring body, three protrusions 212 which are arranged along the circumferential direction of the shifting ring 21 at equal intervals and extend towards the axis of the shifting ring 21 are arranged on the inner side wall surface of the annular boss 211, a concave 213 is arranged between every two adjacent protrusions 212, and a cambered surface is arranged at a joint 214 between each protrusion 212 and each concave 213. The annular boss 211 is provided with a mounting through hole 215 extending along the axial direction of the shifting ring 21, and the mounting through hole 215 is used for mounting the limiting piece 24 and the resetting piece 25. The outer periphery of the dial ring 21 is provided with a ring-shaped grip portion to produce an anti-slip effect.
The second baffle ring 23 is integrally cylindrical, an arc-shaped limit groove 231 is formed in the circumferential position of the second baffle ring 23, the arc-shaped limit groove 231 is located at the circumferential outer edge of the second baffle ring 23 far away from the central shaft, openings are formed in the radial direction and the circumferential direction of the second baffle ring 23 in the limit groove 231, and the limit groove 231 is matched with the limit piece 24 to limit the rotation angle of the shifting ring 21.
With reference to fig. 2 and 5, fig. 5 is a cross-sectional view of a sheath in an embodiment of a medical throttle assembly of the present invention. The sheath 1 is provided with a shaft shoulder 12 on the side of the clamping mechanism 2, and a mounting through hole 121 extending along the axial direction of the sheath 1 is arranged at the circumferential position of the shaft shoulder 12, and the mounting through hole 121 is used for mounting the reset piece 25. The sheath 1 is provided with three first through holes 111 arranged in the circumferential direction on the side near the clamping mechanism 2, the first through holes 111 are stepped holes, and the clamping members 22 penetrate through the first through holes 111.
The sheath 1 is provided with a penetrating channel, the inner wall surface of the sheath 1 comprises a first annular surface 101 and a second annular surface 102, the diameter of the first annular surface 101 is larger than that of the second annular surface 102, a first through hole 111 is formed in the first annular surface 101, a second through hole 112 is formed in the second annular surface 102, and the second through hole 112 is used for being communicated with the throttle valve 4; the sheath 1 forms a cross section 103 between the first annulus 101 and the second annulus 102.
Referring to fig. 2 to 5, the dial ring 21 is sleeved outside the sheath 1 and can rotate around the sheath 1, one side of the dial ring 21 is limited by the shaft shoulder 12, and an annular accommodating space is formed between the dial ring 21 and the shaft shoulder 12 and is used for accommodating the reset piece 25; the second baffle ring 23 is sleeved on the sheath 1 and is positioned at the outer side of the shifting ring 21, the second baffle ring 23 limits the second side of the shifting ring 21, the two axial sides of the shifting ring 21 are limited by the combined action of the shaft shoulder 12 and the second baffle ring 23, and at the moment, the circumferential position of the annular boss 211 of the shifting ring 21 is consistent with the axial position of the first through hole 111.
The clamping member 22 is a steel ball, the clamping member 22 is mounted in the first through hole 111, the clamping member 22 can reciprocate in the radial direction of the sheath 1 in the first through hole 111, and when the clamping member 22 is located at the clamping position, the clamping member 22 protrudes out of the first annular surface 101 on the inner wall surface of the sheath 1. The reset piece 25 is a torsion spring, two ends of the reset piece 25 are respectively inserted into the mounting through hole 215 and the mounting through hole 121, and the reset piece 25 connected between the dial ring 21 and the shaft shoulder 12 can realize elastic rotation and elastic reset of the dial ring 21.
The dial ring 21 in a static state is placed at the clamping position under the pressing force of the reset piece 25, at this time, the protrusions 212 on the dial ring 21 are located at the same circumferential position of the first through hole 111, at this time, the protrusions 212 are abutted against the clamping pieces 22, and the clamping pieces 22 are fixed at the clamping position to tightly clamp the working sheath in the sheath 1. After rotating the dial ring 21, the recess 213 is located at the same circumferential position as the first through hole 111, and the clamping member 22 has a sliding space without generating a clamping force to the working sheath. Wherein, the limiting piece 24 is a bolt, and the limiting piece 24 is inserted in the mounting through hole 215 and extends out along the axial direction of the shifting ring 21.
Referring to fig. 1,2, 5 and 8, fig. 8 is a block diagram of a control end in an embodiment of a medical throttle assembly according to the present invention. The throttle valve 4 comprises a connecting piece 41, a valve body 42 and a control end 43, the connecting piece 41 and the valve body 42 are in threaded sealing connection and are mutually communicated, the connecting piece 41 is fixedly sleeved on the sheath 1, the second through hole 112 is communicated with the valve body 42 through the connecting piece 41, the control end 43 is arranged on the valve body 42, the control end 43 is a rotary handle, the control end 43 is connected with a valve core 44, and the valve core 44 can adopt various valve cores in the prior art, such as a rotary valve core with a channel 441 or a threaded linear movement valve core.
Referring to fig. 2, 5, 6 and 7, fig. 6 is a cross-sectional view of an inner ring of an embodiment of a medical restrictor assembly of the present invention. FIG. 7 is a block diagram of an inner ring in an embodiment of a medical throttle assembly of the invention. The endoscope control mechanism 3 includes an outer ring 31, an inner ring 32, a first stopper ring 33, and a seal ring 34. An inner shoulder 311 is arranged on the inner side of the outer ring 31, an outer shoulder 321 is arranged on the outer side of the inner ring 32, the inner ring 32 is fixedly arranged on the inner side of the outer ring 31, and the inner shoulder 311 and the outer shoulder 321 are mutually limited in the axial direction of the inner ring 32. The first retainer ring 33 is fixedly installed on the inner side of the outer ring 31 while the first retainer ring 33 is located on the outer side of the outer shoulder 321, and the outer shoulder 321 is defined between the inner shoulder 311 and the first retainer ring 33.
The outer ring 31 and the inner ring 32 are spaced to form an annular mounting position 35, the outer wall surface of the inner ring 32 is provided with an annular groove 322 in the annular mounting position 35, the sealing ring 34 is arranged in the annular groove 322, the annular wall at the end part of the sheath 1 is inserted into the annular mounting position 35, and the sheath 1 is connected with the sealing ring 34 in a sealing mode. The endoscope control mechanism 3 after the installation can integrally rotate along the axis of the sheath 1 relative to the sheath 1, and the rotation control of the endoscope control mechanism 3 is smoother because the section of the sealing ring 34 is circular and the sealing ring 34 is in line contact with the sheath 1.
The inner ring 32 has an endoscopic channel 320 therethrough, the endoscopic channel 320 being in communication with the channel of the sheath 1. The cross section of the endoscope channel 320 is elliptical, and the diameter of the wide side of the endoscope channel 320 is equal to the diameter of the second annular surface 102 in the sheath 1. The oval endoscope channel 320 is more matched with the outline of the endoscope, and the rotation of the endoscope control mechanism 3 can realize the rotation adjustment of the visual angle of the endoscope. Wherein, a ring of undulating handhold part is arranged on the outer side of the outer ring 31.
In the medical throttle valve assembly provided by the invention, the throttle valve realizes that the endoscope socket of the inner ring can be used for an endoscope and an operation tool to penetrate into and reach an operation position from the working sheath outside the control of the internal pressure of the working sheath, the oval endoscope socket is matched with the outline of the endoscope, the insertion of the endoscope is convenient, the minimum area of the socket is ensured, and the tightness is better; the rotatable endoscope control mechanism realizes rotation adjustment control of the endoscope, the endoscope can adjust the visual field direction at any time in the operation process, and the medical throttle valve assembly has comprehensive functions and is firmly connected.
Finally, it should be emphasized that the foregoing description is merely illustrative of the preferred embodiments of the invention, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and principles of the invention, and any such modifications, equivalents, improvements, etc. are intended to be included within the scope of the invention.
Claims (10)
1. A medical throttle assembly comprising a throttle valve and a sheath, the throttle valve in communication with the sheath;
The method is characterized in that:
The medical throttle valve assembly further comprises a clamping mechanism and an endoscope control mechanism, wherein the clamping mechanism and the endoscope control mechanism are respectively arranged at two opposite ends of the sheath, and the throttle valve is arranged between the clamping mechanism and the endoscope control mechanism;
The clamping mechanism comprises a clamping piece and a poking ring, the poking ring is sleeved outside the sheath and can rotate around the sheath, a first through hole penetrating through the sheath is formed in the side wall of the sheath, the clamping piece can reciprocate in the first through hole, a plurality of protrusions which are circumferentially arranged are arranged on the inner side of the poking ring, a recess is formed between every two adjacent protrusions, the protrusions are abutted to the cambered surface of the clamping piece, and the clamping piece protrudes out of the inner wall surface of the sheath;
The endoscope control mechanism comprises an outer ring, an inner ring and a sealing ring, wherein the inner ring is fixed on the inner side of the outer ring, an annular installation position is arranged between the outer ring and the inner ring, an annular groove is formed in the annular installation position on the outer wall surface of the inner ring, and the sealing ring is arranged in the annular groove;
The sheath is inserted in the annular mounting position, the endoscope control mechanism is in running fit with the sheath, and the sheath is in airtight connection with the sealing ring;
The endoscope control mechanism comprises an endoscope, an endoscope channel, an endoscope control mechanism and a sheath, wherein the endoscope channel penetrates through the inner ring, the endoscope channel is communicated with the sheath, the section of the endoscope channel is elliptical, the diameter of the broadside of the endoscope channel is equal to that of a second ring surface in the sheath, the elliptical endoscope channel is matched with the outline of the endoscope, and the rotation of the endoscope control mechanism can realize the rotation adjustment of the visual angle of the endoscope.
2. The medical throttle assembly of claim 1, wherein:
The endoscope control mechanism further comprises a first baffle ring, an inner shoulder is arranged on the inner side of the outer ring, an outer shoulder is arranged on the outer side of the inner ring, the first baffle ring is fixed on the inner side of the outer ring, and the outer shoulder is limited between the inner shoulder and the first baffle ring.
3. The medical throttle assembly as defined in claim 2, wherein:
The inner wall surface of the sheath comprises a first annular surface and a second annular surface which are adjacent, the diameter of the first annular surface is larger than that of the second annular surface, the first through hole is formed in the first annular surface, the second through hole is formed in the second annular surface, and the second through hole is communicated with the throttle valve;
The sheath forms a cross section between the first annulus and the second annulus, and the maximum diameter of the endoscope channel is equal to the diameter of the second annulus.
4. A medical throttle assembly as defined in claim 3, wherein:
the section of the sealing ring is circular, and the sealing ring is in line contact with the sheath.
5. The medical throttle assembly as defined in claim 4, wherein:
the outer side of the outer ring is provided with a circle of undulating handheld parts.
6. The medical throttle assembly as defined in claim 5, wherein:
The clamping mechanism further comprises a reset piece which is elastically connected between the shifting ring and the sheath.
7. The medical throttle assembly as defined in claim 6, wherein:
The clamping mechanism further comprises a second baffle ring, and the second baffle ring is sleeved on the sheath;
The sheath is provided with a shaft shoulder, and the shifting ring is limited between the shaft shoulder and the second baffle ring.
8. The medical throttle assembly as defined in claim 7, wherein:
The second keeps off and is provided with curved spacing groove on the circumference position of ring, be equipped with the locating part that stretches out in the circumference of dialling the ring, the locating part is located the spacing inslot.
9. The medical throttle assembly as defined in any one of claims 3-8, wherein:
The throttle valve comprises a connecting piece and a valve body which are communicated, the connecting piece is fixedly sleeved on the sheath, and the second through hole is communicated with the valve body through the connecting piece.
10. The medical throttle assembly as defined in claim 9, wherein:
the connecting piece is in threaded sealing connection with the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710880539.4A CN107495992B (en) | 2017-09-26 | 2017-09-26 | Medical throttle valve assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710880539.4A CN107495992B (en) | 2017-09-26 | 2017-09-26 | Medical throttle valve assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107495992A CN107495992A (en) | 2017-12-22 |
| CN107495992B true CN107495992B (en) | 2024-04-30 |
Family
ID=60699501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710880539.4A Active CN107495992B (en) | 2017-09-26 | 2017-09-26 | Medical throttle valve assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107495992B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1466433A (en) * | 2000-09-22 | 2004-01-07 | Ƥ��ΰ�˹ɷ�����˾ | Endoscopic suction-irrigation instrument for surgery |
| CN102613996A (en) * | 2012-04-18 | 2012-08-01 | 上海英诺伟微创医疗器械有限公司 | Invisible endoscopic channel for multichannel flexible single-hole abdominal cavity minimally invasive surgery |
| CN103431892A (en) * | 2013-09-25 | 2013-12-11 | 河南科技大学 | Gallbladder calculus removing device with lockable calculus crushing end |
| CN103431908A (en) * | 2013-09-25 | 2013-12-11 | 河南科技大学 | Intracavity laser calculus removing lens with lockable calculus crushing end |
| CN104922742A (en) * | 2015-07-03 | 2015-09-23 | 陈勇 | Negative-pressure suction adjustment device for trans-sheath stone extraction with endoscope |
| CN105596038A (en) * | 2016-01-20 | 2016-05-25 | 珠海维尔康生物科技有限公司 | Medical work sheath assembly and connector |
| CN208625761U (en) * | 2017-09-26 | 2019-03-22 | 珠海康弘发展有限公司 | Medical throttle valve component |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10098524B2 (en) * | 2013-09-26 | 2018-10-16 | Gyrus Acmi, Inc. | Endoscope sheath arm |
-
2017
- 2017-09-26 CN CN201710880539.4A patent/CN107495992B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1466433A (en) * | 2000-09-22 | 2004-01-07 | Ƥ��ΰ�˹ɷ�����˾ | Endoscopic suction-irrigation instrument for surgery |
| CN102613996A (en) * | 2012-04-18 | 2012-08-01 | 上海英诺伟微创医疗器械有限公司 | Invisible endoscopic channel for multichannel flexible single-hole abdominal cavity minimally invasive surgery |
| CN103431892A (en) * | 2013-09-25 | 2013-12-11 | 河南科技大学 | Gallbladder calculus removing device with lockable calculus crushing end |
| CN103431908A (en) * | 2013-09-25 | 2013-12-11 | 河南科技大学 | Intracavity laser calculus removing lens with lockable calculus crushing end |
| CN104922742A (en) * | 2015-07-03 | 2015-09-23 | 陈勇 | Negative-pressure suction adjustment device for trans-sheath stone extraction with endoscope |
| CN105596038A (en) * | 2016-01-20 | 2016-05-25 | 珠海维尔康生物科技有限公司 | Medical work sheath assembly and connector |
| CN208625761U (en) * | 2017-09-26 | 2019-03-22 | 珠海康弘发展有限公司 | Medical throttle valve component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107495992A (en) | 2017-12-22 |
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