CN108888850B

CN108888850B - Medical catheter balloon sleeving tool

Info

Publication number: CN108888850B
Application number: CN201810714029.4A
Authority: CN
Inventors: 藍叡椿
Original assignee: Leedon Automation Suzhou Co ltd; Shu Ruichun
Current assignee: Leedon Automation Suzhou Co ltd; Shu Ruichun
Priority date: 2018-06-29
Filing date: 2018-06-29
Publication date: 2021-02-19
Anticipated expiration: 2038-06-29
Also published as: CN108888850A

Abstract

The application provides a medical catheter balloon kit. It includes sacculus pole, mechanical clamping jaw and sacculus installation locating component, wherein, the sacculus pole is including the many arriss structure, the structure of aerifing and the locking structure that set gradually, many arriss structure includes that first cylinder and circumference encircle to set up a plurality of first arris boards of first cylinder surface. The mechanical clamping jaw comprises a clamping unit, a transmission unit and a driving unit which are sequentially connected, wherein the clamping unit comprises a plurality of claw heads which are circumferentially arranged in a surrounding manner, and the driving unit controls the opening and closing of the plurality of claw heads through the transmission unit; the balloon installation positioning assembly comprises a guide rod and a reference sleeve, wherein the guide rod comprises a first section, a diameter-changing section, a second section and a warhead which are sequentially and coaxially connected. Can help solve the technical problems that the mode of sleeving the saccule on the medical tube in the related technology is manual, the secondary pollution to the product cannot be avoided, and a large amount of labor force needs to be consumed.

Description

Medical catheter balloon sleeving tool

Technical Field

The application belongs to the technical field of medical equipment, and particularly relates to a medical catheter balloon sleeving tool.

Background

Medical balloon catheters have been widely used in modern medical applications, such as endotracheal intubation and silica gel catheterization products. For example, most catheters are provided with a silica gel balloon outside a tube body, the silica gel balloon is folded outside the tube body before use, and the silica gel balloon is inflated through an inflation pipeline after the catheter is in place; for another example, the tracheal intubation technique is an important method used in the rescue process of general anesthesia operation or cardiopulmonary resuscitation and critical patients accompanied with respiratory dysfunction, and a balloon is arranged on the outer surface of the insertion end of the tracheal catheter body.

Before the balloon catheter is used, the balloon needs to be sleeved on medical tubes, the step of sleeving the balloon on the medical tubes is generally divided into three steps of taking the balloon, sleeving the balloon on various tube products and positioning the balloon, and the conventional method for sleeving the balloon on the medical tubes is manual. However, the manual operation inevitably causes secondary pollution to the product and requires a large amount of labor. Therefore, in order to realize automatic sleeving of the balloon, improvement and innovation of the prior art are needed.

Disclosure of Invention

The main aim at of this application provides one kind and can help realizing the convenient operation instrument of medical treatment pipe class suit sacculus to the mode of medical treatment pipe class suit sacculus all is manual in solving relevant technology, can not avoid causing secondary pollution to the product, and need consume a large amount of labour's technical problem.

To achieve the above objects, the present application provides a medical catheter balloon kit.

The medical catheter balloon suit tool comprises a balloon rod, a mechanical clamping jaw and a balloon mounting and positioning assembly, wherein,

the sacculus pole is including the many arriss structure, the structure of aerifing and the locking structure that set gradually, many arriss structure includes that first cylinder and circumference encircle to set up a plurality of first arris boards of first cylinder surface.

The mechanical clamping jaw comprises a clamping unit, a transmission unit and a driving unit which are sequentially connected, wherein the clamping unit comprises a plurality of claw heads which are circumferentially arranged in a surrounding manner, and the driving unit controls the opening and closing of the plurality of claw heads through the transmission unit;

the balloon installation positioning assembly comprises a guide rod and a reference sleeve, wherein the guide rod comprises a first section, a diameter-changing section, a second section and a warhead which are sequentially and coaxially connected.

Further, the inflation structure comprises an inflation pipe body and a plurality of inflation holes formed in the inflation pipe body; the locking structure comprises a second cylinder and a plurality of second ridge plates circumferentially arranged on the outer surface of the second cylinder in a surrounding mode.

Furthermore, the inside of second cylinder is formed with the pipeline that link up from top to bottom, the second arris board is the setting of circular array and is in the surface of second cylinder, and every the plane in second arris board place all passes through the axis of second cylinder.

Furthermore, the second prismatic plate is arranged into a sleeve joint part and a positioning part in sequence from one end close to the inflatable structure to the other end, and the width of the positioning part is larger than that of the sleeve joint part.

Further, a coaxial cavity is formed inside the first section, the variable diameter section and the second section, and the outer diameter of the first section is larger than that of the second section; one end of the reference sleeve is an inclined tangent plane, and a plane part is formed on one side of the outer wall of the reference sleeve.

Furthermore, the claw head comprises a claw plate and claw teeth perpendicular to the claw plate, the claw plate and the claw teeth are arranged in an L shape, claw tips are formed at the end parts of the claw teeth, and the claw tips are located on the same circumference.

Furthermore, the width of one side of the claw plate, which is connected with the claw teeth, is linearly reduced, and two cutting surfaces are formed on two sides of the claw plate.

Furthermore, first arris board is the setting of circular array and is in the surface of first cylinder, and every first arris board place plane all passes through the axis of first cylinder.

Furthermore, the clamping unit, the transmission unit and the driving unit are respectively provided with two groups and are arranged oppositely from top to bottom.

Furthermore, the sacculus pole still includes prevents the revolution mechanic, prevent the revolution mechanic and set up locking structure keeps away from the one end of aerifing the structure, prevent the revolution mechanic for the cylinder, just the side of cylinder is formed with a plane portion.

The balloon rod provided by the embodiment of the application can be used for the step of feeding the balloon in the process of automatically sleeving the balloon, and the balloon can be sleeved on the balloon rod for feeding, so that the subsequent grabbing step is facilitated; the mechanical clamping jaws can be used for balloon grabbing operation in the process of automatically sleeving the balloon, and the mechanical clamping jaws grab the balloon and stretch the two ends of the balloon to be proper in size, so that sleeving is facilitated; the sacculus installation locating component can be used for the sacculus location step of automatic suit sacculus in-process, can be through mutually supporting of guide bar and benchmark sleeve for the assembly is accomplished fast with the sacculus to pipe and sacculus and the location, and the mode that can help solve the medical treatment pipe class suit sacculus of correlation technique all is manual, can not avoid causing secondary pollution to the product, and need consume a large amount of labour's technical problem.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

FIG. 1 is a perspective view of a balloon shaft provided herein;

FIG. 2 is a top view of a balloon shaft provided herein;

FIG. 3 is a perspective view of a multi-ribbed structure provided herein;

FIG. 4 is a front view of a multi-ribbed structure as provided herein;

FIG. 5 is a side view of a multi-ribbed structure provided herein;

FIG. 6 is a sectional view taken along line A-A of FIG. 4;

FIG. 7 is a perspective view of the inflatable structure provided herein;

FIG. 8 is a perspective view from the front of the inflatable structure provided herein;

FIG. 9 is a side perspective view of an inflatable structure provided herein;

FIG. 10 is a sectional view taken along line B-B of FIG. 8;

FIG. 11 is a perspective view of a locking structure provided herein;

FIG. 12 is a front view of the locking arrangement provided herein;

FIG. 13 is a side view of a locking structure provided herein;

FIG. 14 is a sectional view taken along line C-C of FIG. 12;

FIG. 15 is a perspective view of the anti-rotation structure provided herein;

figure 16 is a top view of an anti-rotation feature provided herein.

FIG. 17 is a schematic illustration of a mechanical jaw configuration provided herein;

FIG. 18 is a perspective view of the jaw head provided herein;

FIG. 19 is a top view of a claw head provided herein;

FIG. 20 is a side view of a jaw head provided herein;

FIG. 21 is a schematic view of the arrangement of the claw heads provided herein;

FIG. 22 is a schematic structural view of the closed jaw provided herein;

FIG. 23 is a schematic view of the jaw provided herein in an open position;

FIG. 24 is a perspective structural view of a guide bar provided in the present application;

fig. 25 is a partial enlarged view of portion X in fig. 24;

FIG. 26 is a sectional view taken along line D-D of FIG. 25;

FIG. 27 is a perspective view of a reference sleeve provided herein;

FIG. 28 is a front view of a reference sleeve provided herein;

FIG. 29 is a sectional view taken in the direction E-E of FIG. 28;

in the figure:

1. a multi-edge structure; 101. a first column; 102. a first prism sheet; 103. a first insert block; 2. an inflatable structure; 201. an inflatable tube body; 202. an inflation hole; 3. a locking structure; 301. a second cylinder; 302. A second prism sheet; 3021. a socket joint part; 3022. a positioning part; 3023. a plug-in part; 303. a second insert block; 4. an anti-rotation structure; 401. a planar portion; 402. inserting grooves; 5. a clamping unit; 501. a claw head; 5011. a claw plate; 5012. claw teeth; 5013. a claw tip; 5014. cutting the surface; 5015. a fixing hole; 5016. a limiting bump; 6. a transmission unit; 7. a drive unit; 8. a guide bar; 801. a first stage; 802. a diameter-changing section; 803. a second stage; 804. a warhead; 805. a through hole; 806. an internally threaded bore; 9. a reference sleeve; 901. cutting into noodles; 902. a planar portion; 10. a cavity.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying examples and figures 1-29.

The medical catheter and balloon sleeving tool comprises a balloon rod, a mechanical clamping jaw and a balloon installing and positioning assembly, wherein the balloon rod comprises a multi-edge structure (1), an inflating structure (2) and a locking structure (3) which are sequentially arranged, the multi-edge structure (1) comprises a first column body (101) and a plurality of first edge plates (102) which are circumferentially arranged on the outer surface of the first column body (101); the mechanical clamping jaw comprises a clamping unit (5), a transmission unit (6) and a driving unit (7) which are sequentially connected, wherein the clamping unit (5) comprises a plurality of claw heads (501) which are circumferentially arranged in a surrounding manner, and the driving unit (7) controls the opening and closing of the plurality of claw heads through the transmission unit (6); the balloon installation positioning assembly comprises a guide rod (8) and a reference sleeve (9), wherein the guide rod (8) comprises a first section (801), a diameter-changing section (802), a second section (803) and a bullet head (804) which are sequentially and coaxially connected.

In particular, fig. 1-16 show specific configurations of balloon shafts in the present application.

As shown in fig. 1 and 2, the balloon rod provided by the embodiment of the application comprises a multi-edge structure 1, an inflation structure 2 and a locking structure 3 which are sequentially arranged, in a specific using process, a balloon is manually installed on the balloon rod provided by the embodiment of the application, the loading is completed, then the balloon rod is placed on a conveying belt and conveyed to a specified position, the balloon rod is positioned and clamped through a positioning and clamping mechanism, and the material taking is waited. The application provides a structure of sacculus pole is sectional type structural design, and each sectional part design specifically is:

as shown in fig. 3 to 6, the multi-ribbed structure 1 includes a first cylindrical body 101 and a plurality of first ribbed plates 102 circumferentially disposed around an outer surface of the first cylindrical body 101; because sacculus viscidity is great, the inner wall area of contact at this application adopted many prismatic structure and sacculus both ends is less, can solve the drawback of the adhesion of both ends inner wall about the sacculus that circular rod structure caused.

As shown in fig. 7 to 10, the inflation structure 2 includes an inflation tube body 201 and a plurality of inflation holes 202 provided on the inflation tube body 201; this sacculus pole adopts the structure of blowing because the manual work adorns the sacculus in the pole sacculus, and inflatable structure 2 can be unanimous with the standard with the sacculus appearance, guarantees the cooperation size of sacculus and pipe more easily, and if the form differs, adopts the clamping jaw to get the material and presss from both sides the sacculus outer wall easily, and inflatable structure 2 reaches the effect of inflation and tensile sacculus.

As shown in fig. 11 to 14, the lock structure 3 includes a second cylinder 301 and a plurality of second prism plates 302 circumferentially arranged around the outer surface of the second cylinder 301. The positioning of the balloon on the balloon column is achieved by the second prism plate 302.

In some embodiments, as shown in fig. 3-6, the first prism plates 102 are arranged on the outer surface of the first cylinder 101 in a circular array, and each first prism plate 102 is located in a plane passing through the central axis of the first cylinder 101.

Specifically, the number of the first prism plates 102 may be set to be multiple, and the specific number is not limited only, and all that is needed to achieve the technical purpose of the present application, and it is proved by practice that when the number of the first prism plates 102 is set to be 6, a more significant effect can be obtained, which is a preferred embodiment, that is, as shown in fig. 3 to 6. The hexagonal structure that this application adopted both can solve the drawback of the adhesion of both ends wall about the sacculus that circular rod structure caused, more be close sacculus upper and lower end internal diameter than few arris profile again, and it is big to do not have the processing degree of difficulty that causes more than the hexagonal, and the cost is too high, shortcoming such as difficult control.

The specific size parameters of each part structure of the balloon rod in the application can be specifically adjusted according to the use requirements, and the catheter and the balloon of different models can be adaptively adjusted without specific limitation. The dimensional parameters of each structure listed in the examples of the application are the preferred embodiments applied to 7.0 type catheters (inner diameter 7.0 + -0.2 mm, outer diameter 9.5 + -0.2 mm, length 310.0 + -2 mm) and 7.0 type balloons (football type: maximum diameter PhiB is 21.0mm, end diameter PhiA is 9.2 + -0.05 mm, total length 49.0 + -2 mm, balloon length 36.0 + -2 mm; columnar ball type: maximum diameter PhiB is 25.0mm, end diameter PhiA is 9.2 + -0.05 mm, total length 45.0 + -2 mm, balloon length 34.0 + -2 mm, balloon and tip transition arc radius 4 mm). Unless otherwise specified, all of the cited dimensions in the embodiments of the present application are preferred embodiments corresponding to the above-mentioned type of catheter and balloon.

Specifically, the included angle between two adjacent first prism plates 102 is 60 °, the thickness of each first prism plate 102 is 0.8mm, the diameter of the first cylinder 101 is 4mm, and the total length of the multi-prism structure 1 is 24 mm. More preferably, both ends of the first rib 102 are provided with chamfers, the chamfer parameter at the end of the multi-rib structure 1 is 1.90mm by 60 °, the chamfer parameter at the other end of the first rib 102 is 1.00mm by 8.53 °, and the width of the middle of each first rib 102 is 2.15 mm.

As shown in fig. 7-10, the inflation opening 202 is disposed obliquely to the wall of the inflation tube body 201, and preferably the central axis of the inflation opening 202 is located in the longitudinal symmetry plane of the inflation tube body 201. Preferably, the total length of the inflatable structure 2 is 19mm, the included angle between the axis of the inflation hole 202 and the central axis of the inflation tube body 201 is 50 degrees, the inner diameter of the inflation tube body 201 is 4.00mm, the outer diameter is 8.00mm, and the diameter of each inflation hole 202 is 1.50 mm. More preferably, as shown in fig. 7-10, the inflation holes 202 are arranged on the inflation tube body 201 in a circular array, the axial angle of two adjacent inflation holes 202 is 60 °, each circular array is provided with 6 inflation holes 202, two circular arrays are arranged, and the distance between the two circular arrays is 7 mm.

As shown in fig. 11 to 14, the second column 301 is internally formed with a pipe 303 penetrating up and down, the second prismatic plates 302 are arranged on the outer surface of the second column 301 in a circular array, and the plane of each second prismatic plate 302 passes through the central axis of the second column 301. The second edge plate 302 is sequentially provided with a sleeve joint part 3021 and a positioning part 3022 from one end close to the inflatable structure 2 to the other end, and the width of the positioning part 3022 is greater than the width of the sleeve joint part 3021. In specific use, one end of the balloon is sleeved on the sleeve joint part 3021, and the width of the positioning part 3022 is larger than the inner diameter of the end part of the balloon, so that the balloon is positioned.

In some embodiments, the number of second prism plates 302 is preferably set to 6 for the same reason as the first prism plates 102. I.e., the angle between two adjacent second prism plates 302 is 60 °, and further, the thickness of each second prism plate 302 is 0.8mm,

preferably, the total length of the locking structure 3 is 49.5mm, the length of the socket part 3021 is 17.5mm, the length of the positioning part 3022 is 25mm, the diameter of the pipeline is 2.00mm, the outer diameter of the second cylinder 301 is 4.00mm, a chamfer is provided at the starting end of the socket part 3021, the chamfer parameter is 10.5mm × 3.54 °, a round chamfer is formed at the starting end of the positioning part 3022, the chamfer parameter is r0.40mm, the maximum diameter of the locking structure 3 at the position of the socket part 3021 is 9.30mm, and the maximum diameter of the locking structure 3 at the position of the positioning part 3022 is 11.50 mm.

As shown in fig. 1, 2, 15 and 16, the balloon rod further includes an anti-rotation structure 4, the anti-rotation structure 4 is disposed at an end of the locking structure 3 away from the inflation structure 2, the anti-rotation structure 4 is a cylinder, and a side surface of the cylinder is formed with a plane portion 401. Rotation of the balloon shaft is prevented by the clamp clamping the anti-rotation structure 4, and the planar plate 401 helps the anti-rotation structure 4 to be clamped or fixed by external force. The anti-rotation structure 4 has a diameter of 10mm and a height of 5mm, the top edge is provided with a chamfer of 0.50mm x 45 °, the planar portion 401 is formed by cutting off an arcuate column on one side of the cylinder, the arcuate height is preferably 1.5mm, i.e. the planar portion 401 is at a distance of 4.5mm from the central axis of the cylinder.

As shown in fig. 11-16, the end of the second prism plate 302 is formed with a plug portion 3023, and the anti-rotation structure 4 is formed with a plug groove 402 matching with the plug portion 3023. The length of the plug part 3023 is 5mm, and the edge of the pipe 303 at this end is chamfered by 0.80mm × 45 °. The plug section 3023 may be formed for a further extension of the second prismatic plate 302, where the width of the second prismatic plate 302 is set to 1mm and where the diameter of the locking structure 3 is 6 mm.

As shown in fig. 3-6 and fig. 11-14, a first insertion block 103 is formed at one end of the multi-edge structure 1, a second insertion block 303 is formed at one end of the locking structure 3, and the first insertion block 103 and the second insertion block 303 are respectively inserted into two ends of the inflatable tube 201 in a matching manner. Preferably, the first insert 103 and the second insert 303 are both 2mm in length and 4mm in diameter.

Fig. 17-23 show specific configurations of mechanical jaws provided herein.

As shown in fig. 17, the mechanical clamping jaw provided by the embodiment of the present application comprises a clamping unit 5, a transmission unit 6 and a driving unit 7, which are connected in sequence, wherein,

as shown in fig. 18 to 21, the grip unit 5 includes a plurality of claw heads 501 circumferentially arranged, the claw heads 501 including claw plates 5011 and claw teeth 5012 perpendicular to the claw plates 5011, the claw plates 5011 and the claw teeth 5012 being disposed in an L-shape, ends of the claw teeth 5012 forming claw tips 5013, the claw tips 5013 being located on the same circumference;

the driving unit 7 controls the opening and closing of the plurality of claw heads through the transmission unit 6.

In a specific embodiment, the selection of the driving unit and the transmission unit is not specifically limited, and various driving devices and transmission devices in the prior art can be applied in the present application, for example, the driving unit can be selected to be a reciprocating piston, and the transmission unit is a connecting rod structure, so that the opening and closing of the clamping jaws can be controlled by converting the linear motion of the driving unit into the directional motion of the connecting rod. Through optimizing the structural parameters of the connecting rod, the claw tips of the claw heads are always on the same circumference, and the reference consistency in balloon grabbing can be guaranteed.

As shown in fig. 18-20, the claw plate 5011 has a linearly tapered width on the side where the claw teeth 5012 are connected, and two cutting faces 5014 are formed on both sides. In the use process, a gap is formed between two cutting surfaces between two adjacent claw heads, and the cutting surfaces can be matched with a multi-prismatic sacculus rod to realize quick grabbing of the sacculus. When the balloon rod is used, the first ridge plate and/or the second ridge plate of the balloon rod can be located in a gap formed between the two cutting surfaces in a matched mode, the best arrangement mode is that the number of the first ridge plate and/or the second ridge plate is the same as that of the claw heads, and therefore the first ridge plate and/or the second ridge plate can form one-to-one corresponding position relation with the gap.

As shown in fig. 21, the claw heads 501 are six in number and are arranged in a circular array, and the included angle between the two cutting faces 5014 of each claw head 501 is 60 °.

As shown in fig. 18 and 19, the claw plate 5011 is provided with a through fixing hole 5015. The bottom surface of the claw plate 5011 is provided with a limit bump 5016. The fixing hole is used for fixedly connecting the claw head with other parts, and the limiting convex block is used for being matched with the corresponding limiting groove on the mounting part so as to realize the functions of limiting and auxiliary fixing.

As shown in fig. 17, the gripping unit 5, the transmission unit 6 and the driving unit 7 are respectively provided in two sets, and are arranged in an up-down opposite manner, and are used for respectively gripping the upper end and the lower end of the balloon.

Fig. 24-29 show specific configurations of the balloon mounting and positioning assembly provided herein. The balloon installation positioning assembly provided by the embodiment of the application comprises a guide rod 8 and a reference sleeve 9, wherein,

as shown in fig. 24, the guide rod 8 includes a first section 801, a diameter-changing portion 802, a second section 803 and a bullet 804 which are coaxially connected in sequence, a coaxial cavity 10 is formed inside the first section 801, the diameter-changing portion 802 and the second section 803, and the outer diameter of the first section 801 is larger than that of the second section 803;

as shown in fig. 28, one end of the reference sleeve 9 is an inclined tangential surface 901, and a flat surface 902 is formed on one side of the outer wall of the reference sleeve 9.

As shown in fig. 25 and 26, the second section 803 is provided with a plurality of through holes 805 communicating with the cavity, the through holes 805 are arranged on the second section 803 in a circular array, and the center line of each through hole 805 is perpendicular to and coplanar with the axis of the second section 803.

As a preferred embodiment, as shown in fig. 26, the number of the through holes 805 is 6.

As shown in fig. 24, an internal threaded hole 806 is formed at an end of the first section 801 away from the reducer section 802.

As shown in fig. 24, the maximum outer diameter of the bullet 804 is the same as the outer diameter of the second section 803. The outer diameter of the tip of the bullet 804 is not less than 1.50 mm.

As shown in fig. 27-29, the length of the flat portion 902 is smaller than the length of the reference sleeve 9, and one end of the flat portion 902 is flush with the end of the reference sleeve 9 facing away from the tangent plane 901.

As shown in fig. 27 and 29, the inner wall of the reference sleeve 9 at the end facing away from the tangent plane 901 is chamfered.

The utility model provides a sacculus installation locating component in specific use, in the guide bar inserted medical catheter, can be so that medical catheter's direction is the same with the guide bar, plays the effect of direction, and the base level cover barrel casing is established on guide bar and medical catheter, plays the effect of location, makes things convenient for subsequent sacculus suit on medical catheter's fixed position.

The specific size parameters of each part structure of the balloon installation positioning assembly can be specifically adjusted according to use requirements, and the catheter and the balloon of different models can be adaptively adjusted without specific limitation. One particular dimensional parameter that may be used is exemplified below.

In one embodiment of the application, the guide rod 1 comprises a first section 801, a diameter changing part 802, a second section 803 and a bullet head 804 which are coaxially connected in sequence, a cavity 10 coaxial with the guide rod 8 is formed inside the first section 801, the diameter changing part 802 and the second section 803, the length of the first section 801 is 150.25mm, and the outer diameter of the first section is 8.0 mm; the total length of the second section 803 and the variable diameter section 802 is 189.75mm, the outer diameter of the second section 803 is 6.50mm, the outer surface of the variable diameter section 802 is a concave curved surface, the radius of the curved surface is 30mm, the number of the through holes 805 is 6, the included angle between every two adjacent through holes 805 is 60 degrees, the diameter of each through hole 805 is 0.30mm, and the diameter of the cavity 10 (i.e. the inner diameter of the first section 801, the variable diameter part 802 and the second section 803) is 2 mm. An internal threaded hole 806 is formed in one end, far away from the reducer section 802, of the first section 801, and the thread parameter is 1/4-28-UNF-2B. The depth was 8.00 mm. The length of the bullet 804 is 10mm, the outer diameter of the tip of the bullet 804 is 1.50mm, the other end is connected with the second section 803, the maximum diameter of the end is 6.5mm as same as the outer diameter of the second section 803, the outer wall of the bullet 804 is a convex curved surface, and the radius of the curved surface is 20 mm.

One end of the reference sleeve 9 is an inclined tangential surface 901, and a flat surface 902 is formed on one side of the outer wall of the reference sleeve 9. The total length of benchmark sleeve 9 is 60mm, and the external diameter is 11mm, and the internal diameter is 7mm, and the contained angle of tangent plane 901 and benchmark sleeve 9's axial direction is 42, and the length of plane portion 902 is 45mm, and the one end of plane portion 902 and benchmark sleeve 2 deviate from the one end parallel and level of tangent plane 901. The inner wall of the reference sleeve 9 at the end facing away from the tangent plane 901 is chamfered with a chamfer angle parameter of 2.75mm by 20 °.

One preferred method of using the medical catheter and balloon kit provided by the present application may be as follows:

1. firstly, manually installing a balloon on a balloon rod shown in figures 1-16, and placing the balloon rod on a conveying device to be conveyed to a specified position;

2. positioning and clamping the balloon rod through a positioning clamp, and waiting for material taking;

3. the mechanical jaws shown in fig. 17-23 are extended to a balloon grasping position;

4. blowing air to the balloon rod to expand the balloon, and lifting the whole balloon rod together with the balloon on the balloon rod by the positioning fixture to enable the balloon to be positioned at a balloon grabbing position to wait for grabbing;

5. the mechanical clamping jaw drives the balloon to be lifted to the highest position, the whole balloon rod is lowered to the material return position under the action of the positioning clamp, and then the balloon taking action is finished;

6. the mechanical clamping jaw drives the balloon to move to a waiting position before balloon installation, the medical catheter positioning cylinder positions the medical catheter, the guide cylinder controls the guide rod to be inserted into the medical catheter for positioning, then the medical catheter is pushed to a positioning position, the mechanical clamping jaw is lowered to the balloon installation position, and the medical catheter positioning cylinder completes positioning of the medical catheter at the moment so as to prepare for balloon installation;

7. at the moment, the whole balloon rod is unloaded, and the conveying device sends the balloon rod back to the initial state;

8. controlling the arranged claw heads above and below the mechanical clamping claw to be in a loose state;

9. fixing the balloon at a mounting position on the catheter;

10. the paw heads were withdrawn from both ends of the balloon.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A medical catheter balloon suit tool is characterized by comprising a balloon rod, a mechanical clamping jaw and a balloon mounting and positioning assembly, wherein,

the balloon rod comprises a multi-edge structure (1), an inflating structure (2) and a locking structure (3) which are sequentially arranged, wherein the multi-edge structure (1) comprises a first column body (101) and a plurality of first edge plates (102) which are circumferentially arranged on the outer surface of the first column body (101) in a surrounding manner;

the mechanical clamping jaw comprises a clamping unit (5), a transmission unit (6) and a driving unit (7) which are sequentially connected, wherein the clamping unit (5) comprises a plurality of claw heads (501) which are circumferentially arranged in a surrounding manner, the driving unit (7) controls the opening and closing of the plurality of claw heads through the transmission unit (6), and when the mechanical clamping jaw works, a gap exists between two cutting surfaces between two adjacent claw heads (501) and the cutting surfaces are matched with the sacculus rod;

the balloon installation positioning assembly comprises a guide rod (8) and a reference sleeve (9), wherein the guide rod (8) comprises a first section (801), a diameter-changing section (802), a second section (803) and a bullet (804) which are sequentially and coaxially connected, the guide rod (8) is inserted into a medical catheter during operation, and the reference sleeve (9) is sleeved on the guide rod (8) and the medical catheter.

2. The medical catheter balloon kit according to claim 1, wherein the inflation structure (2) comprises an inflation tube body (201) and a plurality of inflation holes (202) opened on the inflation tube body (201); the locking structure (3) comprises a second cylinder (301) and a plurality of second prismatic plates (302) circumferentially arranged on the outer surface of the second cylinder (301).

3. The medical catheter and balloon kit according to claim 2, wherein the second column (301) is internally provided with a pipeline (303) which penetrates up and down, the second prismatic plates (302) are arranged on the outer surface of the second column (301) in a circular array, and the plane of each second prismatic plate (302) passes through the central axis of the second column (301).

4. The medical catheter balloon kit according to claim 2, wherein the second prism plate (302) is provided with a socket part (3021) and a positioning part (3022) in sequence from one end close to the inflating structure (2) to the other end, and the width of the positioning part (3022) is larger than that of the socket part (3021).

5. The medical catheter balloon kit according to claim 1, wherein the first section (801), the reducer section (802) and the second section (803) form a coaxial cavity (10) therein, and the first section (801) has an outer diameter larger than that of the second section (803); one end of the reference sleeve (9) is an inclined tangent plane (901), and a plane part (902) is formed on one side of the outer wall of the reference sleeve (9).

6. The medical catheter balloon set tool according to claim 1, wherein the claw head (501) comprises a claw plate (5011) and claw teeth (5012) perpendicular to the claw plate (5011), the claw plate (5011) and the claw teeth (5012) are arranged in an L shape, ends of the claw teeth (5012) form claw tips (5013), and the claw tips (5013) are all located on the same circumference.

7. The medical catheter and balloon kit according to claim 6, wherein the width of the side of the claw plate (5011) connected with the claw teeth (5012) is linearly tapered, and two cutting surfaces (5014) are formed on two sides of the side.

8. The medical catheter balloon kit according to claim 1, wherein the first prism plates (102) are arranged on the outer surface of the first cylinder (101) in a circular array, and the plane of each first prism plate (102) passes through the central axis of the first cylinder (101).

9. The medical catheter balloon kit according to claim 1, wherein the clamping unit (5), the transmission unit (6) and the drive unit (7) are arranged in two groups, and are arranged in an up-down opposite manner.

10. The medical catheter balloon kit according to claim 1, wherein the balloon shaft further comprises an anti-rotation structure (4), the anti-rotation structure (4) is arranged at one end of the locking structure (3) far away from the inflation structure (2), the anti-rotation structure (4) is a cylinder, and a plane portion (401) is formed on the side surface of the cylinder.