CN208598359U - A kind of medical conveying device - Google Patents
A kind of medical conveying device Download PDFInfo
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- CN208598359U CN208598359U CN201721541821.1U CN201721541821U CN208598359U CN 208598359 U CN208598359 U CN 208598359U CN 201721541821 U CN201721541821 U CN 201721541821U CN 208598359 U CN208598359 U CN 208598359U
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Abstract
The utility model discloses a kind of medical conveying devices comprising: adjustable bending tubular part；Handle；Wherein, the adjustable bending tubular part includes the inner and outer tubes of socket, said inner tube is fixedly connected with the far-end of the outer tube, the taper knob is in said inner tube and the handle is fixedly connected with the near proximal ends of the proximal end of the outer tube or said inner tube, and said inner tube passes through the handle and the handle is stretched out in the proximal end of said inner tube；Said inner tube has the first cavity, and the first cavity of said inner tube is as service aisle；Rigidity of the latter end of the far-end of said inner tube and/or the outer tube on same periphery is of different sizes, and said inner tube and the outer tube can be mutually shifted on long axis direction.Conveying device provided by the utility model is combined use with general fiber coherent fiber bundle (fibre) and guide-lighting light beam (fibre) or electrofax beam (fibre) and guide-lighting light beam (fibre) in the industry, can reduce the cost of use of bronchoscope.
Description
Technical field
The utility model relates to the field of medical instrument technology, in particular to a kind of medical conveying device.
Background technique
Endoscope is a kind of Optical devices, is inserted into the internal organs of human body, human body is observed directly outside human body
The tissue morphology of internal organs is carried out by the internal organs that other medical instruments can be intervened human body by the service aisle of endoscope
Diagnosing and treating, endoscope are widely used in the departments such as division of respiratory disease, Gastroenterology dept., orthopaedics, urological department, ENT dept., gynaecology.With section
The raising of technical level is learned, endoscope develops to fujinon electronic video endoscope and ultrasonic electronic from rigid endoscope, flexible endoscope
Mirror.
Flexible endoscope is also known as fibre optic endoscopes, is the biography that light source and image are carried out by soft optical fiber
It leads.Main species have lung mirror, Gastrointestinal Endoscopes etc..Endoscope is the appearance with optical fiber and grows up, in optical fiber
Sight glass divides proximal end (doctor's hand-held manipulation end), distal end (insertion internal organs end) and bending part composition.Bending part is the soft of sealing
Property casing, inner cavity include two kinds of optical fiber light beams (fibre): light guide bundles (fibre) and coherent fiber bundle (fibre), be respectively used to take a picture and at
Picture.There are also service aisles for usual endoscope, to be inserted into other medical instruments.
During diagnosing or treating pulmonary tuberculosis, the bronchial endoscope (hereinafter referred to as bronchoscope) of division of respiratory disease need to be used
The intervention means such as inspection or biopsy, conveying drug therapy are carried out to the pulmonary tuberculosis target area position of bronchus distal end.But at present still
Inspection or biopsy, the conveying device for conveying drug therapy are carried out without the pulmonary tuberculosis target area position suitably to bronchus distal end.
Utility model content
The utility model provides a kind of medical conveying device, which includes outer tube and inner tube, what inner tube provided
Service aisle can stretch through fiber coherent fiber bundle (fibre) and guide-lighting light beam (fibre) or electrofax beam (fibre) and leaded light light beam (fibre),
The instruments such as biopsy forceps, drug injection needle.Simultaneously the conveying device have adjustable bending distal end, therefore can by the conveying device with
And it is arranged in fiber coherent fiber bundle (fibre) in the service aisle of the conveying device and guide-lighting light beam (fibre) or electrofax beam
(fibre) and guide-lighting light beam (fibre), is directed to enter in lung's target region, and pulmonary tuberculosis target hole region is diagnosed or controlled
It treats.Conveying device provided by the utility model and general fiber coherent fiber bundle (fibre) and guide-lighting light beam (fibre) or electronics in the industry
Coherent fiber bundle (fibre) and guide-lighting light beam (fibre) are combined use, the cost of use of bronchoscope can be reduced, to be conducive to the skill
Effective popularization of art, and reduce diagnosis or the medical expense of patient.
In the present invention, proximal end refers to the one end of conveying device close to performer, distally refers to that conveying device is separate and applies art
One end of person.
The technical solution of the utility model is as follows:
Adjustable bending tubular part, the adjustable bending tubular part include the inner and outer tubes of socket, said inner tube and described
The far-end of outer tube is fixedly connected；
Handle；The proximal end or institute that the taper knob is on the adjustable bending tubular part and the handle is with the outer tube
The proximal end for stating inner tube is fixedly connected, and said inner tube passes through the handle and the handle is stretched out in the proximal end of said inner tube；And
And
Said inner tube has the first cavity, and the first cavity of said inner tube is as service aisle；
Rigidity of the latter end of the far-end of said inner tube and/or the outer tube on same periphery is of different sizes, described
Inner tube and the outer tube can be mutually shifted on long axis direction.
Said inner tube and the outer tube being mutually shifted on long axis direction, can make the mutual under tension of inner and outer tubes
And thrust can make rigidity near at the distal tip of inner and outer tubes due to the presence of stiffness difference on periphery
The position distortions that small position distortions want specific stiffness big are big, so that the distal end of the adjustable bending tubular part, which reaches, adjusts curved effect
Fruit.
The service aisle can be used for making fiber coherent fiber bundle (fibre) and guide-lighting light beam (fibre) or electrofax beam (fibre) and
At least one of in guide-lighting light beam (fibre), biopsy forceps or seal wire passes through to target area, can also be in transmitting fiber tow picture
Conduct after beam (fibre) and guide-lighting light beam (fibre) or electrofax beam (fibre) and guide-lighting light beam (fibre), biopsy forceps or seal wire are exited
Convey the channel of drug.
In one embodiment, the medical conveying device further includes connector, the proximal end of the connector and said inner tube
It is fixedly connected, there is the second cavity, the second cavity of the connector and the first cavity of said inner tube inside the connector
Perforation.The connector is set at the most proximal end of the medical conveying device, is used for and fiber coherent fiber bundle (fibre) and guide-lighting light
Beam (fibre) or electrofax beam (fibre) and other medical instruments such as guide-lighting light beam (fibre) or biopsy forceps, seal wire, cartridge syringe
It is attached.
In one embodiment, rigidity of the latter end of the far-end of said inner tube and/or the outer tube on same periphery
It is of different sizes specifically: the wall thickness on the same periphery of the latter end of the far-end of said inner tube and/or the outer tube is inconsistent.
The inconsistent structure of same periphery wall thickness, there is the differences of rigidity on same periphery, can make inner and outer tubes
Far-end the latter end position distortions that nearby the small position distortions of rigidity want specific stiffness big it is big so that the adjustable bending pipe
The distal end of shape component, which reaches, adjusts curved effect.
The inconsistent wall thickness in one section of cambered surface of wall thickness on periphery is less than or greater than the wall thickness on remaining periphery,
Or the wall thickness on whole circumference face gradually changes.
In another embodiment, the latter end of the far-end of said inner tube and/or the outer tube is rigid on same periphery
It spends of different sizes specifically: have at least one on the same periphery of the latter end of the far-end of said inner tube and/or the outer tube
A joint-cutting.Cambered surface rigidity on same periphery with joint-cutting is smaller than the cambered surface rigidity of seemless, therefore the portion with joint-cutting
Position is easier to deform compared with the position of seemless.So set, when inner and outer tubes relatively move, the cambered surface phase with joint-cutting
It is big to the arc deformation of seemless, to be deformed, it thus can realize the curved effect of tune of adjustable bending tubulose distal end.It is described
The joint-cutting of inner tube and the outer tube can be one or more.
In one embodiment, one of them of inner and outer tubes has joint-cutting, another seemless, and the pipe of seemless
The rigidity of the material of material is less than the tubing for having the material of joint-cutting.For example, inner tube has a joint-cutting, if outer tube seemless, then inner tube
Rigidity be greater than outer tube rigidity.
In one embodiment, the second connector is additionally provided on the handle, second connector has third cavity,
Interstitial channels between the third cavity and said inner tube and the outer tube penetrate through connection.In this way, second connector and
The pore channel is formed the channel of drug injection.
About the material of said inner tube and the outer tube, the distal end of at least inner and outer tubes is using with shape memory function
The material of energy is made.
Preferably, the end of the distal outer tube is nearby equipped with the safeguard structure for preventing scratching physiological tissue, the protection
The implementation of structure can be and be covered with elastomer near the end of distal outer tube, or the end of distal outer tube is nearby added
Work is at round and smooth shape.
In another embodiment, a part of the handle covers on the outer tube, and another part covers in said inner tube；
The middle handle is equipped with slide unit, and the proximal end of the handle is fixedly connected with the proximal end of said inner tube, the sliding part
Part is fixedly connected through the handle and with the proximal end of the outer tube, and the slide unit can move and draw on long axis direction
Send out outer tube described on long axis direction relative to the movement of said inner tube；Or, the proximal end of the distal end of the handle and the outer tube
It is fixedly connected, the slide unit is fixedly connected with the proximal end of said inner tube.
In another embodiment, the far-end of the handle is set on the outer tube, while its remaining part of the handle
Divide and is set in said inner tube；The handle includes turn component and track component, the proximal end of the outer tube and the handle
Distal medial or outside are fixedly connected, and the track component is set in said inner tube, the turn component and the orbit portion
Part screw-driven formula connects and runs through the handle, rotates the turn component, the track component can be made in long axis direction
Upper movement, and then said inner tube is driven to move along long axis direction；Or, the proximal end of the handle and the proximal end of said inner tube are fixed
Connection, the track component are fixedly connected with the proximal end of the outer tube.
Compared with prior art, the beneficial effects of the utility model are as follows:
A kind of medical conveying device provided by the utility model, the conveying device include outer tube and inner tube, and inner tube provides
Service aisle can stretch through fiber coherent fiber bundle (fibre) and guide-lighting light beam (fibre) or electrofax beam (fibre) and leaded light light beam
The medical instruments such as (fibre), biopsy forceps, drug injection needle.The conveying device has the distal end of adjustable bending simultaneously, therefore can be by this
Conveying device and the fiber coherent fiber bundle (fibre) being arranged in the service aisle of the conveying device and guide-lighting light beam (fibre) or electricity
Sub- coherent fiber bundle (fibre) and guide-lighting light beam (fibre), are directed to enter in lung's target region, and carry out pulmonary tuberculosis target hole region
Diagnosis or treatment.Conveying device provided by the utility model and general fiber coherent fiber bundle (fibre) in the industry and leaded light light beam (fibre),
Or electrofax beam (fibre) and guide-lighting light beam (fibre) are combined use, the cost of use of bronchoscope can be reduced, to have
Conducive to effective popularization of the technology, and reduce diagnosis or the medical expense of patient.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the medical conveying device of the utility model embodiment one；
Cross section Fig. 2 inconsistent for the outer tube or inner tube wall thickness of the adjustable bending tubular part of the utility model embodiment one
Schematic diagram；
Fig. 3 is the inconsistent stereoscopic schematic diagram of the outer tube wall thickness of the adjustable bending tubular part of the utility model embodiment one；
Fig. 4 is the curved effect diagram one of tune of the adjustable bending tubular part of the utility model embodiment one；
Fig. 5 is the curved effect diagram two of tune of the adjustable bending tubular part of the utility model embodiment one；
Fig. 6 is that the inner tube of the adjustable bending tubular part of the utility model embodiment one has the schematic diagram of joint-cutting；
Fig. 7 is that the outer tube of the adjustable bending tubular part of the utility model embodiment one has the schematic diagram of joint-cutting；
Fig. 8 all has the signal of joint-cutting for the outer tube and inner tube of the adjustable bending tubular part of the utility model embodiment one
Figure；
Fig. 9 is that the medical conveying device of the utility model embodiment one enters the schematic diagram of pulmonary tuberculosis target region；
Figure 10 is the enlarged drawing in the area Tu9Zhong C；
Figure 11 is the partial structure diagram of the medical conveying device of the utility model embodiment two；
Figure 12 is the partial structure diagram of the medical conveying device of the utility model embodiment three；
Figure 13 is the structural schematic diagram of the medical conveying device of the utility model embodiment four.
Specific embodiment
The utility model is further described below with specific embodiment.
In the present invention, the medical conveying device that proximal end refers to the utility model distally refers to close to one end of performer
The medical conveying device of the utility model is far from one end of performer.
Embodiment one
Referring to Figure 1, Fig. 1 is the structural schematic diagram of the medical conveying device of the utility model embodiment one.
The medical conveying device 1 of the present embodiment includes adjustable bending tubular part 10, handle 20 and connector 30, adjustable bending pipe
Shape component 10 is made of inner tube 11 and outer tube 12, and inner tube 11 is threaded through 12 the inside of outer tube, and the distal end of inner tube 11 and outer tube 12
End is fixedly connected, and the rigidity on the same periphery of the distal end latter end of inner tube 11 or outer tube 12 is of different sizes, while inner tube
11 and outer tube 12 can be mutually shifted on long axis direction, 12 proximal end of outer tube of the distal end of handle 20 and adjustable bending tubular part 10 is solid
Fixed connection, connector 30 are fixedly connected with the proximal end of the inner tube 11 of adjustable bending tubular part 10, and second inside connector 30 is empty
The first cavity in chamber and inner tube 11 penetrates through, and the first cavity of inner tube 11 forms service aisle.
In the present embodiment, on the same periphery of the distal end latter end of inner tube 11 or outer tube 12 stiffness difference a kind of realization
Mode can be inconsistent for the wall thickness on the same periphery near at the distal tip of inner tube or outer tube, as shown in Fig. 2, tube body
The wall thickness of 101 cambered surfaces is less than the wall thickness of 102 cambered surfaces；Certainly alternatively, the wall thickness on whole circumference face is also possible to gradually
Variation.The inconsistent structure of the periphery wall thickness of such setting can make interior there is the difference of rigidity on periphery
The position distortions that the small position distortions of the distal end latter end rigidity of pipe 11 and outer tube 12 want specific stiffness big are big, so that adjustable bending pipe
The distal end of shape component 10, which reaches, adjusts curved effect.
Referring now to Fig. 3, the wall thickness at the cambered surface 102 of outer tube 12 is greater than the wall thickness at the cambered surface 101 of outer tube 12, and inner tube 11 is worn
It is located at 12 the inside of outer tube, is fixedly connected at inner tube 11 and the distal tip of outer tube 12.Wherein:
When inner tube 11 is relative to the distally A movement of outer tube 12, inner tube 11 can apply one to the distal end side A to outer tube 12
To thrust, outer tube 12 is greater than the wall thickness at cambered surface 101 due to the wall thickness at cambered surface 102, and the rigidity at cambered surface 102 is greater than
Rigidity at cambered surface 101, when by thrust, the deformation at deformation ratio cambered surface 102 at cambered surface 101 is big, therefore can produce
Raw tune curved effect in distal end as shown in Figure 4；
When inner tube 11 is relative to the proximally direction B movement of outer tube 12, inner tube 11 can apply the proximally side B to outer tube 12
To pulling force, due to the rigidity at the cambered surface 102 of outer tube 12 be greater than outer tube 12 cambered surface 101 at rigidity, under tension effect
When, the deformation at deformation ratio cambered surface 102 at cambered surface 101 is big, therefore can generate the curved effect of tune of such as Fig. 5.
Other than embodiment of above, the wall thickness being also possible on the same periphery of the distal end latter end of inner tube 11 is different
It causes；Wall thickness either on the same periphery of the distal end latter end of inner tube 11 and outer tube 12 is all inconsistent.It is designed in this way combination, all
It is the difference in order to realize rigidity on the same periphery of 10 distal end latter end of adjustable bending tubular part, to realize adjustable bending tubulose
The distal end of component 10, which reaches, adjusts curved effect.
In the present embodiment, the another kind of stiffness difference is real on the same periphery of the distal end latter end of inner tube 11 or outer tube 12
Existing mode can have at least one joint-cutting for the distal end latter end of inner tube or outer tube.As shown in fig. 6, the distal end latter end of inner tube 11 has
Four joint-cuttings 111, on the same periphery of inner tube 11, cambered surface rigidity of the cambered surface rigidity with joint-cutting 111 than seemless
It is small, therefore the position with joint-cutting 111 is easier to deform compared with the position of seemless.Inner tube 11 is threaded through 12 the inside of outer tube,
It being fixedly connected at inner tube 11 and the distal tip of outer tube 12, the rigidity of the material of outer tube 12 is less than the rigidity of the material of inner tube 11,
The setting of rigidity can be by selecting different materials or different wall thickness to realize.So set, 12 phase of inner tube 11 and outer tube
When to movement, the cambered surface with joint-cutting 111 of inner tube 11 is big with respect to the arc deformation of seemless, thus be deformed, while
The unidirectional deformation of the lesser outer tube 12 of rigidity can be caused, thus can realize the curved effect of tune of 10 distal end of adjustable bending tubular part
Fruit.Or it is also possible to the tool of outer tube 12 there are three joint-cutting 121, inner tube 11 is threaded through 12 the inside of outer tube, inner tube 11 and outer tube 12
It is fixedly connected at distal tip, the rigidity of inner tube 11 is less than the rigidity of outer tube 12, as shown in Figure 7.Or it is also possible that inner tube 11
Or the implementation of stiffness difference can also be that outer tube 12 and inner tube 11 all have on the same periphery of the distal end latter end of outer tube 12
It after thering is corresponding joint-cutting, inner tube 11 to combine with outer tube 12, then is fixedly connected at distal tip, as shown in Figure 8.So set
Meter combination, is provided to the difference of rigidity on the periphery for realizing 10 distal end latter end of adjustable bending tubular part, to realize adjustable
The distal end of syphon shape component 10, which reaches, adjusts curved effect.
The implementation of stiffness difference can be on same periphery near at inner tube 11 or the distal tip of outer tube 12
It is to add the particle of different hardness or increase the other ways such as muscles and bones, no longer repeats one by one herein.
The relative movement of the inner tube 11 of adjustable bending tubular part 10 and outer tube 12 can be realized by handle 20 and connector 30,
The distal end of handle 20 is fixedly connected with the proximal end of the outer tube 12 of adjustable bending tubular part 10, is extended through the inner tube 11 in outer tube 12
Proximal end is arranged in the cavity of handle 20, and is stretched out from the proximal end of handle 20, and the proximal end of inner tube 11 is fixedly connected with connector 30.
Movement of the connector 30 on long axis direction can cause movement of the inner tube 11 on long axis direction, so that adjustable bending tubulose
The inner tube 11 and outer tube 12 of component 10 relatively move, the final curved function of tune of realizing adjustable bending tubular part 10.
Conveying device 1 and general fiber coherent fiber bundle (fibre) and guide-lighting light beam (fibre) or electrofax beam (fibre) in the industry
And guide-lighting light beam (fibre) 2 is used in combination, and can enter the pulmonary tuberculosis target region of 3 distal end of bronchus, as shown in Figure 9.
Figure 10 is that the amplification of region C in Fig. 9 is shown, fiber coherent fiber bundle (fibre) and guide-lighting light beam (fibre) or electrofax
Beam (fibre) and guide-lighting light beam (fibre) 2 can be extended through the service aisle of conveying device 1, i.e., in the cavity of the inner tube 11 of conveying device 1.
The cavity of inner tube 11 forms the service aisle of conveying device 1, can as required, by fiber coherent fiber bundle (fibre) and guide-lighting light beam
(fibre) or electrofax beam (fibre) and guide-lighting light beam (fibre) 2 or biopsy forceps, seal wire etc. are extended through in conveying device 1, with this
Mode reaches pulmonary tuberculosis target region and is diagnosed.After reaching pulmonary tuberculosis target region, by fiber coherent fiber bundle (fibre) and guide-lighting light
Beam (fibre) or electrofax beam (fibre) and guide-lighting light beam (fibre) 2 are taken out from the service aisle of conveying device 1, by drug injection
Device and the connector of conveying device 1 are attached, and drug can be entered pulmonary tuberculosis target by the service aisle injection of conveying device 1
Region, to realize the treatment to pulmonary tuberculosis target region.
Embodiment two
Referring to Figure 11, the inner tube 11 of the adjustable bending tubular part 10 of the medical conveying device of the present embodiment and outer tube 12
Relative movement can be realized by another structure of handle 20.Handle 20 includes slide unit 21, and slide unit 21 extends through the handle
20 and along perpendicular to long axis direction be arranged, the proximal end of the inner tube 11 of the proximal end and adjustable bending tubular part 10 of handle 20 is fixed
Connection, and inner tube 11 is stretched out except handle 20, and the proximal end of the outer tube 12 of slide unit 21 and adjustable bending tubular part is fixed to be connected
It connects, connection type concretely clip, gluing etc., as shown in figure 11.Movement of the slide unit 21 on long axis direction, can cause
Outer tube 12 moves on long axis direction, so that the inner tube 11 of adjustable bending tubular part 10 and outer tube 12 relatively move, finally
Realize curved effect of tune of adjustable bending tubular part 10.Another interchangeable embodiment is also possible to: the distal end of handle 20
It is fixedly connected with the proximal end of the outer tube 12 of adjustable bending tubular part 10, the inner tube 11 of slide unit 21 and adjustable bending tubular part 10
Near proximal ends be fixedly connected.
Embodiment three
Referring to Figure 12, present embodiment illustrates the connection types of another adjustable bending tubular part and handle.This implementation
The handle 20 of the medical fixed device of example includes turn component 22 and track component 23, and 23 sets of track component in inner tube 11, revolve
Dynamic component 22 is threadedly coupled and along the direction perpendicular to long axis through the handle 20 with track component 23.The distal end of handle 20
It is fixedly connected with the proximal end of the outer tube 12 of adjustable bending tubular part 10, the inner tube 11 of track component 23 and adjustable bending tubular part 10
It is fixedly connected, connection type concretely clip, gluing etc..Turn component 22 is connect with 20 inlay card of handle, and and track component
23 matchings are threadedly coupled, as shown in figure 12.Turn component 22 is rotated, track component 23 may make to move on long axis direction, into
And cause inner tube 11 and moved on long axis direction, so that the inner tube 11 of adjustable bending tubular part 10 and the opposite shifting of outer tube 12
It is dynamic, final curved effect of tune for realizing adjustable bending tubular part 10.Another embodiment be also possible to handle 20 proximal end and
The near proximal ends of the inner tube 11 of adjustable bending tubular part 10 are fixedly connected, the outer tube of track component 23 and adjustable bending tubular part 10
12 proximal end is fixedly connected.
The mode that the utility model realizes that the inner tube 11 of conveying device 1 and outer tube 12 relatively move can also be embodiment
One, the other way except embodiment two and embodiment three are shown, no longer repeats one by one herein.
Example IV
Such as Figure 13, the present embodiment conveying device 1 includes adjustable bending tubular part 10, handle 20 and connector 30, adjustable bending
Tubular part 10 is made of inner tube 11 and outer tube 12, and inner tube 11 is threaded through 12 the inside of outer tube, the distal end end of inner tube 11 and outer tube 12
It is fixedly connected at end, the rigidity on the same periphery of distal end latter end of inner tube 11 or outer tube 12 is of different sizes, inner tube 11 and outer tube
12 can be mutually shifted on long axis direction, and handle 20 is fixedly connected with the proximal end of adjustable bending tubular part 10, connector 30 and can
The inner tube 11 of syphon shape component 10 is adjusted to be fixedly connected, the second cavity of connector 30 and the first cavity of inner tube 11 penetrate through, inner tube
11 the first cavity forms service aisle.In the present embodiment, handle 20 is additionally provided with the second connector 24, the second connector 24
Cavity and inner tube 11 and outer tube 12 between cavity clearance perforation, the service aisle of drug injection can be formed by being arranged such.It can
Fiber coherent fiber bundle (fibre) and guide-lighting light beam (fibre) or electrofax beam (fibre) and guide-lighting light beam (fibre) are worn by connector 30
It protrudes into the cavity of inner tube 11, conveying device 1 and fiber coherent fiber bundle (fibre) and guide-lighting light beam (fibre) or electrofax beam (fibre)
And guide-lighting light beam (fibre) is used in combination, and after reaching pulmonary tuberculosis target hole region, connects cartridge syringe by the second connector 24,
Thus it may be implemented under visibility status and conveying drug therapy carried out to pulmonary tuberculosis target hole region.
The internal diameter and wall thickness of the inner tube 11 of the medical conveying device 1 of the utility model are according to itself characteristic and transmitting fiber tow picture
Beam (fibre) and guide-lighting light beam (fibre) or electrofax beam (fibre) and other medical instruments such as guide-lighting light beam (fibre) or biopsy forceps
Outer diameter determine, i.e., under the premise of being supplied to the service aisle that other medical instruments stretch through, select small caliber as far as possible,
To obtain adjustable bending tubular part thin as far as possible.As an implementation, the internal diameter of inner tube 11 can be 0.1~2mm, inner tube
11 wall thickness can be 0.01~0.2mm, and the internal diameter of the outer tube 12 of conveying device 1 must be greater than the wall of the outer diameter of inner tube 11, outer tube 12
Thickness can be 0.01~0.2mm.In addition, the utility model also reduces using the first cavity of inner tube 11 as general service aisle
The internal diameter of outer tube 12, and then reduce the radial dimension of outer tube 12 and adjustable bending tubular part.
To sum up, the medical conveying device of the utility model includes: adjustable bending tubular part, handle, is gone back in preferred embodiment
Including connector.Adjustable bending tubular part includes inner and outer tubes, and inner tube is threaded through inside outer tube, the distal end end of inner and outer tubes
It is fixedly connected at end, the rigidity on the same periphery of distal end latter end of inner tube or outer tube is of different sizes, and inner and outer tubes are in long axis
It can be mutually shifted on direction.Inner and outer tubes being mutually shifted on long axis direction, can make inner and outer tubes mutually be drawn
Power and thrust can make the distal end latter end rigidity of inner and outer tubes small due to the presence of stiffness difference on periphery
The position distortions that position distortions want specific stiffness big are big, so that the distal end of adjustable bending tubular part, which reaches, adjusts curved effect.Handle
It is fixedly connected with the proximal end of the proximal end of the outer tube of adjustable bending tubular part or inner tube, handle can drive the mutual shifting of inner and outer tubes
It is dynamic.Connector is fixedly connected with the inner tube of adjustable bending tubular part, and the cavity of connector and the first cavity of inner tube penetrate through, connection
Service aisle is collectively formed in the cavity of head and the first cavity of inner tube.The connector of the medical conveying device of the utility model is arranged
At the most proximal end of conveying device, for and fiber coherent fiber bundle (fibre) and leaded light light beam (fibre) or electrofax beam (fibre) and
Other medical instruments such as guide-lighting light beam (fibre) or biopsy forceps, seal wire, cartridge syringe are attached.
In addition, in one embodiment, the cavity clearance between inner and outer tubes can form the second service aisle, hand
Handle is additionally provided with the second connector, can be used for being attached with other medical instruments such as cartridge syringe, the second connector
Cavity clearance perforation between cavity and inner and outer tubes is used for drug injection.
On the same periphery of the distal end latter end of inner tube or outer tube a kind of implementation of stiffness difference can for inner tube and/or
Wall thickness on the same periphery of the distal end latter end of outer tube is inconsistent.Wall thickness on periphery is inconsistent in one section of cambered surface
Wall thickness is less than or greater than the wall thickness on remaining periphery or the wall thickness on whole circumference face gradually changes.
On the same periphery of the distal end latter end of inner tube or outer tube another implementation of stiffness difference can for inner tube or
Nearby at least one joint-cutting or the proximate distal ends of inner and outer tubes have joint-cutting at the distal tip of outer tube.Inner tube or outer tube
Joint-cutting can be one or more.
In one embodiment, one of them of inner and outer tubes has joint-cutting, another seemless, the pipe of seemless
The rigidity of material is less than the tubing for having joint-cutting.The joint-cutting of inner and outer tubes can be one or more.
The adjustable bight portion of at least distal end of inner and outer tubes is using made from the material with shape memory function.
The end of distal outer tube nearby has the safeguard structure for preventing scratching physiological tissue, can be at the end of distal outer tube
End is nearby covered with elastomer, or is nearby processed into round and smooth shape to the end of distal outer tube.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (11)
1. a kind of medical conveying device characterized by comprising
Adjustable bending tubular part, the adjustable bending tubular part include the inner and outer tubes of socket, said inner tube and the outer tube
Far-end be fixedly connected；
Handle；The taper knob on the adjustable bending tubular part and the proximal end of the handle and the outer tube or it is described in
The proximal end of pipe is fixedly connected, and said inner tube passes through the handle and the handle is stretched out in the proximal end of said inner tube；Also,
Said inner tube has the first cavity, and the first cavity of said inner tube is as service aisle；
Rigidity of the latter end of the far-end of said inner tube and/or the outer tube on same periphery is of different sizes, said inner tube
It can be mutually shifted on long axis direction with the outer tube.
2. medical conveying device as described in claim 1, which is characterized in that the service aisle for make fiber coherent fiber bundle or
Transmitting fiber tow picture fibre and guide-lighting light beam or light-conductive optic fibre or electrofax beam or electrofax fibre and guide-lighting light beam or guide-lighting light
Fibre, biopsy forceps, at least one of in seal wire pass through to target area, and are also used in fiber coherent fiber bundle or fiber
It passes as fine and guide-lighting light beam or light-conductive optic fibre or electrofax beam or electrofax fibre and guide-lighting light beam or light-conductive optic fibre, work
Channel after inspection clamps, seal wire exits as conveying drug.
3. medical conveying device as described in claim 1, which is characterized in that the medical conveying device further includes connector,
The connector is fixedly connected with the proximal end of said inner tube, has the second cavity inside the connector, and the of the connector
Two cavitys and the first cavity of said inner tube penetrate through.
4. medical conveying device as described in claim 1, which is characterized in that the far-end of said inner tube and/or the outer tube
Rigidity of the latter end on same periphery it is of different sizes specifically: the latter end of the far-end of said inner tube and/or the outer tube
Same periphery on wall thickness it is inconsistent.
5. medical conveying device as claimed in claim 4, which is characterized in that wall thickness on the same periphery is inconsistent can
Being less than or greater than the wall thickness on remaining periphery or the wall thickness on whole circumference face for the wall thickness in one section of cambered surface is gradually to become
Change.
6. medical conveying device as described in claim 1, which is characterized in that the far-end of said inner tube and/or the outer tube
Rigidity of the latter end on same periphery it is of different sizes specifically: the latter end of the far-end of said inner tube and/or the outer tube
Same periphery on have at least one joint-cutting.
7. medical conveying device as claimed in claim 6, which is characterized in that one of them of said inner tube and the outer tube have
Joint-cutting, another seemless, and the rigidity of the tubing of seemless are less than the tubing for having joint-cutting.
8. medical conveying device as described in claim 1, which is characterized in that the second connector is additionally provided on the handle,
Second connector has third cavity, the interstitial channels perforation between the third cavity and said inner tube and the outer tube
Connection, forms the channel of drug injection.
9. medical conveying device as described in claim 1, which is characterized in that the end of the distal outer tube is nearby equipped with and prevents
Scratch the safeguard structure of physiological tissue.
10. medical conveying device as described in claim 1, which is characterized in that a part of the handle is covered in the outer tube
On, another part covers in said inner tube；The middle handle is equipped with slide unit, the proximal end of the handle and said inner tube
Proximal end is fixedly connected, and the slide unit is through the handle and is fixedly connected with the proximal end of the outer tube, the sliding
Component can move on long axis direction and cause the outer tube on long axis direction relative to the movement of said inner tube；Or, described
The distal end of handle is fixedly connected with the proximal end of the outer tube, and the slide unit is fixedly connected with the proximal end of said inner tube.
11. medical conveying device as described in claim 1, which is characterized in that the far-end of the handle is set in described outer
Guan Shang, while the rest part of the handle is set in said inner tube；The handle includes turn component and track component, institute
The proximal end for stating outer tube is fixedly connected with the distal medial of the handle or outside, and the track component is set in said inner tube,
The turn component connect with the track component screw-driven formula and runs through the handle, rotates the turn component, can
It moves the track component on long axis direction, and then said inner tube is driven to move along long axis direction；Or, the handle is close
End is fixedly connected with the proximal end of said inner tube, and the track component is fixedly connected with the proximal end of the outer tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721541821.1U CN208598359U (en) | 2017-11-17 | 2017-11-17 | A kind of medical conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721541821.1U CN208598359U (en) | 2017-11-17 | 2017-11-17 | A kind of medical conveying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208598359U true CN208598359U (en) | 2019-03-15 |
Family
ID=65659587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721541821.1U Active CN208598359U (en) | 2017-11-17 | 2017-11-17 | A kind of medical conveying device |
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| Country | Link |
|---|---|
| CN (1) | CN208598359U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109793485A (en) * | 2017-11-17 | 2019-05-24 | 朔健医疗器械（上海）有限公司 | A kind of medical conveying device |
| CN110101358A (en) * | 2019-05-08 | 2019-08-09 | 杭州堃博生物科技有限公司 | Adjustable bending sheath guard system |
| CN112914793A (en) * | 2021-03-09 | 2021-06-08 | 金仕生物科技（常熟）有限公司 | Catheter conveying system |
| WO2021159552A1 (en) * | 2020-02-11 | 2021-08-19 | 南微医学科技股份有限公司 | Needle assembly and sampling needle |
-
2017
- 2017-11-17 CN CN201721541821.1U patent/CN208598359U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109793485A (en) * | 2017-11-17 | 2019-05-24 | 朔健医疗器械（上海）有限公司 | A kind of medical conveying device |
| CN110101358A (en) * | 2019-05-08 | 2019-08-09 | 杭州堃博生物科技有限公司 | Adjustable bending sheath guard system |
| WO2021159552A1 (en) * | 2020-02-11 | 2021-08-19 | 南微医学科技股份有限公司 | Needle assembly and sampling needle |
| CN112914793A (en) * | 2021-03-09 | 2021-06-08 | 金仕生物科技（常熟）有限公司 | Catheter conveying system |
| CN112914793B (en) * | 2021-03-09 | 2022-11-15 | 金仕生物科技（常熟）有限公司 | Catheter conveying system |
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Effective date of registration: 20191119 Address after: 101300 building 502, No.8, yard 12, Juyuan Middle Road, Mapo Town, Shunyi District, Beijing Patentee after: Beijing saibote Medical Equipment Co., Ltd Address before: 201815 Shanghai City, Jiading District Xing Xian Lu No. 1180 Building 5 room 225 two Patentee before: Shuo Jian medical instruments (Shanghai) Co., Ltd. |